mirror of https://github.com/grpc/grpc.git
Craig Tiller
9 years ago
commit
895459efc0
52 changed files with 4818 additions and 9809 deletions
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/*
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* |
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* Copyright 2015-2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <grpc/support/port_platform.h> |
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#ifdef GPR_POSIX_SOCKET |
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#include "src/core/lib/iomgr/ev_posix.h" |
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#include <grpc/support/log.h> |
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#include "src/core/lib/iomgr/ev_poll_and_epoll_posix.h" |
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static const grpc_event_engine_vtable *g_event_engine; |
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grpc_poll_function_type grpc_poll_function = poll; |
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grpc_wakeup_fd grpc_global_wakeup_fd; |
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void grpc_event_engine_init(void) { |
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if ((g_event_engine = grpc_init_poll_and_epoll_posix())) { |
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return; |
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} |
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gpr_log(GPR_ERROR, "No event engine could be initialized"); |
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abort(); |
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} |
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void grpc_event_engine_shutdown(void) { g_event_engine->shutdown_engine(); } |
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grpc_fd *grpc_fd_create(int fd, const char *name) { |
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return g_event_engine->fd_create(fd, name); |
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} |
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int grpc_fd_wrapped_fd(grpc_fd *fd) { |
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return g_event_engine->fd_wrapped_fd(fd); |
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} |
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void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done, |
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int *release_fd, const char *reason) { |
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g_event_engine->fd_orphan(exec_ctx, fd, on_done, release_fd, reason); |
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} |
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void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { |
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g_event_engine->fd_shutdown(exec_ctx, fd); |
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} |
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void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
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grpc_closure *closure) { |
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g_event_engine->fd_notify_on_read(exec_ctx, fd, closure); |
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} |
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void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
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grpc_closure *closure) { |
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g_event_engine->fd_notify_on_write(exec_ctx, fd, closure); |
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} |
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size_t grpc_pollset_size(void) { return g_event_engine->pollset_size; } |
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void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu) { |
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g_event_engine->pollset_init(pollset, mu); |
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} |
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void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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grpc_closure *closure) { |
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g_event_engine->pollset_shutdown(exec_ctx, pollset, closure); |
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} |
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void grpc_pollset_reset(grpc_pollset *pollset) { |
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g_event_engine->pollset_reset(pollset); |
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} |
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void grpc_pollset_destroy(grpc_pollset *pollset) { |
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g_event_engine->pollset_destroy(pollset); |
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} |
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void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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grpc_pollset_worker **worker, gpr_timespec now, |
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gpr_timespec deadline) { |
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g_event_engine->pollset_work(exec_ctx, pollset, worker, now, deadline); |
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} |
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void grpc_pollset_kick(grpc_pollset *pollset, |
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grpc_pollset_worker *specific_worker) { |
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g_event_engine->pollset_kick(pollset, specific_worker); |
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} |
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void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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struct grpc_fd *fd) { |
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g_event_engine->pollset_add_fd(exec_ctx, pollset, fd); |
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} |
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grpc_pollset_set *grpc_pollset_set_create(void) { |
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return g_event_engine->pollset_set_create(); |
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} |
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void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) { |
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g_event_engine->pollset_set_destroy(pollset_set); |
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} |
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void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, |
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grpc_pollset *pollset) { |
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g_event_engine->pollset_set_add_pollset(exec_ctx, pollset_set, pollset); |
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} |
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void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, |
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grpc_pollset *pollset) { |
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g_event_engine->pollset_set_del_pollset(exec_ctx, pollset_set, pollset); |
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} |
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void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *bag, |
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grpc_pollset_set *item) { |
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g_event_engine->pollset_set_add_pollset_set(exec_ctx, bag, item); |
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} |
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void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *bag, |
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grpc_pollset_set *item) { |
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g_event_engine->pollset_set_del_pollset_set(exec_ctx, bag, item); |
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} |
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void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, grpc_fd *fd) { |
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g_event_engine->pollset_set_add_fd(exec_ctx, pollset_set, fd); |
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} |
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void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, grpc_fd *fd) { |
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g_event_engine->pollset_set_del_fd(exec_ctx, pollset_set, fd); |
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} |
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void grpc_kick_poller(void) { g_event_engine->kick_poller(); } |
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#endif // GPR_POSIX_SOCKET
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@ -0,0 +1,158 @@ |
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/*
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* |
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* Copyright 2015-2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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|
* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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|
* in the documentation and/or other materials provided with the |
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|
* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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|
* contributors may be used to endorse or promote products derived from |
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|
* this software without specific prior written permission. |
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|
* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPC_CORE_LIB_IOMGR_EV_POSIX_H |
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#define GRPC_CORE_LIB_IOMGR_EV_POSIX_H |
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#include <poll.h> |
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#include "src/core/lib/iomgr/exec_ctx.h" |
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#include "src/core/lib/iomgr/pollset.h" |
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#include "src/core/lib/iomgr/pollset_set.h" |
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#include "src/core/lib/iomgr/wakeup_fd_posix.h" |
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typedef struct grpc_fd grpc_fd; |
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typedef struct grpc_event_engine_vtable { |
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size_t pollset_size; |
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grpc_fd *(*fd_create)(int fd, const char *name); |
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int (*fd_wrapped_fd)(grpc_fd *fd); |
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void (*fd_orphan)(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done, |
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int *release_fd, const char *reason); |
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void (*fd_shutdown)(grpc_exec_ctx *exec_ctx, grpc_fd *fd); |
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void (*fd_notify_on_read)(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
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grpc_closure *closure); |
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void (*fd_notify_on_write)(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
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grpc_closure *closure); |
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void (*pollset_init)(grpc_pollset *pollset, gpr_mu **mu); |
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void (*pollset_shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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grpc_closure *closure); |
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void (*pollset_reset)(grpc_pollset *pollset); |
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void (*pollset_destroy)(grpc_pollset *pollset); |
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void (*pollset_work)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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grpc_pollset_worker **worker, gpr_timespec now, |
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gpr_timespec deadline); |
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void (*pollset_kick)(grpc_pollset *pollset, |
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grpc_pollset_worker *specific_worker); |
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void (*pollset_add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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struct grpc_fd *fd); |
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grpc_pollset_set *(*pollset_set_create)(void); |
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void (*pollset_set_destroy)(grpc_pollset_set *pollset_set); |
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void (*pollset_set_add_pollset)(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, |
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grpc_pollset *pollset); |
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void (*pollset_set_del_pollset)(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, |
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grpc_pollset *pollset); |
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void (*pollset_set_add_pollset_set)(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *bag, |
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grpc_pollset_set *item); |
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void (*pollset_set_del_pollset_set)(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *bag, |
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grpc_pollset_set *item); |
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void (*pollset_set_add_fd)(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, grpc_fd *fd); |
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void (*pollset_set_del_fd)(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, grpc_fd *fd); |
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void (*kick_poller)(void); |
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void (*shutdown_engine)(void); |
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} grpc_event_engine_vtable; |
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void grpc_event_engine_init(void); |
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void grpc_event_engine_shutdown(void); |
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/* Create a wrapped file descriptor.
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Requires fd is a non-blocking file descriptor. |
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This takes ownership of closing fd. */ |
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grpc_fd *grpc_fd_create(int fd, const char *name); |
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/* Return the wrapped fd, or -1 if it has been released or closed. */ |
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int grpc_fd_wrapped_fd(grpc_fd *fd); |
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/* Releases fd to be asynchronously destroyed.
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on_done is called when the underlying file descriptor is definitely close()d. |
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If on_done is NULL, no callback will be made. |
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If release_fd is not NULL, it's set to fd and fd will not be closed. |
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Requires: *fd initialized; no outstanding notify_on_read or |
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notify_on_write. |
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MUST NOT be called with a pollset lock taken */ |
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void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done, |
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int *release_fd, const char *reason); |
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/* Cause any current callbacks to error out with GRPC_CALLBACK_CANCELLED. */ |
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void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd); |
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/* Register read interest, causing read_cb to be called once when fd becomes
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readable, on deadline specified by deadline, or on shutdown triggered by |
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grpc_fd_shutdown. |
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read_cb will be called with read_cb_arg when *fd becomes readable. |
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read_cb is Called with status of GRPC_CALLBACK_SUCCESS if readable, |
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GRPC_CALLBACK_TIMED_OUT if the call timed out, |
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and CANCELLED if the call was cancelled. |
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Requires:This method must not be called before the read_cb for any previous |
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call runs. Edge triggered events are used whenever they are supported by the |
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underlying platform. This means that users must drain fd in read_cb before |
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calling notify_on_read again. Users are also expected to handle spurious |
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events, i.e read_cb is called while nothing can be readable from fd */ |
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void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
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grpc_closure *closure); |
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/* Exactly the same semantics as above, except based on writable events. */ |
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void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
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grpc_closure *closure); |
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/* pollset_posix functions */ |
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/* Add an fd to a pollset */ |
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void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
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struct grpc_fd *fd); |
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/* pollset_set_posix functions */ |
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void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, grpc_fd *fd); |
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void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx, |
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grpc_pollset_set *pollset_set, grpc_fd *fd); |
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/* override to allow tests to hook poll() usage */ |
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typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int); |
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extern grpc_poll_function_type grpc_poll_function; |
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extern grpc_wakeup_fd grpc_global_wakeup_fd; |
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#endif /* GRPC_CORE_LIB_IOMGR_EV_POSIX_H */ |
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@ -1,454 +0,0 @@ |
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/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include <grpc/support/port_platform.h> |
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|
||||||
#ifdef GPR_POSIX_SOCKET |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/fd_posix.h" |
|
||||||
|
|
||||||
#include <assert.h> |
|
||||||
#include <sys/socket.h> |
|
||||||
#include <unistd.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/string_util.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
|
|
||||||
#define CLOSURE_NOT_READY ((grpc_closure *)0) |
|
||||||
#define CLOSURE_READY ((grpc_closure *)1) |
|
||||||
|
|
||||||
/* We need to keep a freelist not because of any concerns of malloc performance
|
|
||||||
* but instead so that implementations with multiple threads in (for example) |
|
||||||
* epoll_wait deal with the race between pollset removal and incoming poll |
|
||||||
* notifications. |
|
||||||
* |
|
||||||
* The problem is that the poller ultimately holds a reference to this |
|
||||||
* object, so it is very difficult to know when is safe to free it, at least |
|
||||||
* without some expensive synchronization. |
|
||||||
* |
|
||||||
* If we keep the object freelisted, in the worst case losing this race just |
|
||||||
* becomes a spurious read notification on a reused fd. |
|
||||||
*/ |
|
||||||
/* TODO(klempner): We could use some form of polling generation count to know
|
|
||||||
* when these are safe to free. */ |
|
||||||
/* TODO(klempner): Consider disabling freelisting if we don't have multiple
|
|
||||||
* threads in poll on the same fd */ |
|
||||||
/* TODO(klempner): Batch these allocations to reduce fragmentation */ |
|
||||||
static grpc_fd *fd_freelist = NULL; |
|
||||||
static gpr_mu fd_freelist_mu; |
|
||||||
|
|
||||||
static void freelist_fd(grpc_fd *fd) { |
|
||||||
gpr_mu_lock(&fd_freelist_mu); |
|
||||||
fd->freelist_next = fd_freelist; |
|
||||||
fd_freelist = fd; |
|
||||||
grpc_iomgr_unregister_object(&fd->iomgr_object); |
|
||||||
gpr_mu_unlock(&fd_freelist_mu); |
|
||||||
} |
|
||||||
|
|
||||||
static grpc_fd *alloc_fd(int fd) { |
|
||||||
grpc_fd *r = NULL; |
|
||||||
gpr_mu_lock(&fd_freelist_mu); |
|
||||||
if (fd_freelist != NULL) { |
|
||||||
r = fd_freelist; |
|
||||||
fd_freelist = fd_freelist->freelist_next; |
|
||||||
} |
|
||||||
gpr_mu_unlock(&fd_freelist_mu); |
|
||||||
if (r == NULL) { |
|
||||||
r = gpr_malloc(sizeof(grpc_fd)); |
|
||||||
gpr_mu_init(&r->mu); |
|
||||||
} |
|
||||||
|
|
||||||
gpr_mu_lock(&r->mu); |
|
||||||
r->shutdown = 0; |
|
||||||
r->read_closure = CLOSURE_NOT_READY; |
|
||||||
r->write_closure = CLOSURE_NOT_READY; |
|
||||||
r->fd = fd; |
|
||||||
r->inactive_watcher_root.next = r->inactive_watcher_root.prev = |
|
||||||
&r->inactive_watcher_root; |
|
||||||
r->freelist_next = NULL; |
|
||||||
r->read_watcher = r->write_watcher = NULL; |
|
||||||
r->on_done_closure = NULL; |
|
||||||
r->closed = 0; |
|
||||||
r->released = 0; |
|
||||||
gpr_atm_rel_store(&r->refst, 1); |
|
||||||
gpr_mu_unlock(&r->mu); |
|
||||||
|
|
||||||
return r; |
|
||||||
} |
|
||||||
|
|
||||||
static void destroy(grpc_fd *fd) { |
|
||||||
gpr_mu_destroy(&fd->mu); |
|
||||||
gpr_free(fd); |
|
||||||
} |
|
||||||
|
|
||||||
#ifdef GRPC_FD_REF_COUNT_DEBUG |
|
||||||
#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__) |
|
||||||
#define UNREF_BY(fd, n, reason) unref_by(fd, n, reason, __FILE__, __LINE__) |
|
||||||
static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file, |
|
||||||
int line) { |
|
||||||
gpr_log(GPR_DEBUG, "FD %d %p ref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n, |
|
||||||
gpr_atm_no_barrier_load(&fd->refst), |
|
||||||
gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line); |
|
||||||
#else |
|
||||||
#define REF_BY(fd, n, reason) ref_by(fd, n) |
|
||||||
#define UNREF_BY(fd, n, reason) unref_by(fd, n) |
|
||||||
static void ref_by(grpc_fd *fd, int n) { |
|
||||||
#endif |
|
||||||
GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0); |
|
||||||
} |
|
||||||
|
|
||||||
#ifdef GRPC_FD_REF_COUNT_DEBUG |
|
||||||
static void unref_by(grpc_fd *fd, int n, const char *reason, const char *file, |
|
||||||
int line) { |
|
||||||
gpr_atm old; |
|
||||||
gpr_log(GPR_DEBUG, "FD %d %p unref %d %d -> %d [%s; %s:%d]", fd->fd, fd, n, |
|
||||||
gpr_atm_no_barrier_load(&fd->refst), |
|
||||||
gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line); |
|
||||||
#else |
|
||||||
static void unref_by(grpc_fd *fd, int n) { |
|
||||||
gpr_atm old; |
|
||||||
#endif |
|
||||||
old = gpr_atm_full_fetch_add(&fd->refst, -n); |
|
||||||
if (old == n) { |
|
||||||
freelist_fd(fd); |
|
||||||
} else { |
|
||||||
GPR_ASSERT(old > n); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); } |
|
||||||
|
|
||||||
void grpc_fd_global_shutdown(void) { |
|
||||||
gpr_mu_lock(&fd_freelist_mu); |
|
||||||
gpr_mu_unlock(&fd_freelist_mu); |
|
||||||
while (fd_freelist != NULL) { |
|
||||||
grpc_fd *fd = fd_freelist; |
|
||||||
fd_freelist = fd_freelist->freelist_next; |
|
||||||
destroy(fd); |
|
||||||
} |
|
||||||
gpr_mu_destroy(&fd_freelist_mu); |
|
||||||
} |
|
||||||
|
|
||||||
grpc_fd *grpc_fd_create(int fd, const char *name) { |
|
||||||
grpc_fd *r = alloc_fd(fd); |
|
||||||
char *name2; |
|
||||||
gpr_asprintf(&name2, "%s fd=%d", name, fd); |
|
||||||
grpc_iomgr_register_object(&r->iomgr_object, name2); |
|
||||||
gpr_free(name2); |
|
||||||
#ifdef GRPC_FD_REF_COUNT_DEBUG |
|
||||||
gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, r, name); |
|
||||||
#endif |
|
||||||
return r; |
|
||||||
} |
|
||||||
|
|
||||||
int grpc_fd_is_orphaned(grpc_fd *fd) { |
|
||||||
return (gpr_atm_acq_load(&fd->refst) & 1) == 0; |
|
||||||
} |
|
||||||
|
|
||||||
static void pollset_kick_locked(grpc_fd_watcher *watcher) { |
|
||||||
gpr_mu_lock(&watcher->pollset->mu); |
|
||||||
GPR_ASSERT(watcher->worker); |
|
||||||
grpc_pollset_kick_ext(watcher->pollset, watcher->worker, |
|
||||||
GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP); |
|
||||||
gpr_mu_unlock(&watcher->pollset->mu); |
|
||||||
} |
|
||||||
|
|
||||||
static void maybe_wake_one_watcher_locked(grpc_fd *fd) { |
|
||||||
if (fd->inactive_watcher_root.next != &fd->inactive_watcher_root) { |
|
||||||
pollset_kick_locked(fd->inactive_watcher_root.next); |
|
||||||
} else if (fd->read_watcher) { |
|
||||||
pollset_kick_locked(fd->read_watcher); |
|
||||||
} else if (fd->write_watcher) { |
|
||||||
pollset_kick_locked(fd->write_watcher); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void wake_all_watchers_locked(grpc_fd *fd) { |
|
||||||
grpc_fd_watcher *watcher; |
|
||||||
for (watcher = fd->inactive_watcher_root.next; |
|
||||||
watcher != &fd->inactive_watcher_root; watcher = watcher->next) { |
|
||||||
pollset_kick_locked(watcher); |
|
||||||
} |
|
||||||
if (fd->read_watcher) { |
|
||||||
pollset_kick_locked(fd->read_watcher); |
|
||||||
} |
|
||||||
if (fd->write_watcher && fd->write_watcher != fd->read_watcher) { |
|
||||||
pollset_kick_locked(fd->write_watcher); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static int has_watchers(grpc_fd *fd) { |
|
||||||
return fd->read_watcher != NULL || fd->write_watcher != NULL || |
|
||||||
fd->inactive_watcher_root.next != &fd->inactive_watcher_root; |
|
||||||
} |
|
||||||
|
|
||||||
static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { |
|
||||||
fd->closed = 1; |
|
||||||
if (!fd->released) { |
|
||||||
close(fd->fd); |
|
||||||
} else { |
|
||||||
grpc_remove_fd_from_all_epoll_sets(fd->fd); |
|
||||||
} |
|
||||||
grpc_exec_ctx_enqueue(exec_ctx, fd->on_done_closure, true, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
int grpc_fd_wrapped_fd(grpc_fd *fd) { |
|
||||||
if (fd->released || fd->closed) { |
|
||||||
return -1; |
|
||||||
} else { |
|
||||||
return fd->fd; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done, |
|
||||||
int *release_fd, const char *reason) { |
|
||||||
fd->on_done_closure = on_done; |
|
||||||
fd->released = release_fd != NULL; |
|
||||||
if (!fd->released) { |
|
||||||
shutdown(fd->fd, SHUT_RDWR); |
|
||||||
} else { |
|
||||||
*release_fd = fd->fd; |
|
||||||
} |
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
REF_BY(fd, 1, reason); /* remove active status, but keep referenced */ |
|
||||||
if (!has_watchers(fd)) { |
|
||||||
close_fd_locked(exec_ctx, fd); |
|
||||||
} else { |
|
||||||
wake_all_watchers_locked(fd); |
|
||||||
} |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
UNREF_BY(fd, 2, reason); /* drop the reference */ |
|
||||||
} |
|
||||||
|
|
||||||
/* increment refcount by two to avoid changing the orphan bit */ |
|
||||||
#ifdef GRPC_FD_REF_COUNT_DEBUG |
|
||||||
void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line) { |
|
||||||
ref_by(fd, 2, reason, file, line); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file, |
|
||||||
int line) { |
|
||||||
unref_by(fd, 2, reason, file, line); |
|
||||||
} |
|
||||||
#else |
|
||||||
void grpc_fd_ref(grpc_fd *fd) { ref_by(fd, 2); } |
|
||||||
|
|
||||||
void grpc_fd_unref(grpc_fd *fd) { unref_by(fd, 2); } |
|
||||||
#endif |
|
||||||
|
|
||||||
static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
|
||||||
grpc_closure **st, grpc_closure *closure) { |
|
||||||
if (*st == CLOSURE_NOT_READY) { |
|
||||||
/* not ready ==> switch to a waiting state by setting the closure */ |
|
||||||
*st = closure; |
|
||||||
} else if (*st == CLOSURE_READY) { |
|
||||||
/* already ready ==> queue the closure to run immediately */ |
|
||||||
*st = CLOSURE_NOT_READY; |
|
||||||
grpc_exec_ctx_enqueue(exec_ctx, closure, !fd->shutdown, NULL); |
|
||||||
maybe_wake_one_watcher_locked(fd); |
|
||||||
} else { |
|
||||||
/* upcallptr was set to a different closure. This is an error! */ |
|
||||||
gpr_log(GPR_ERROR, |
|
||||||
"User called a notify_on function with a previous callback still " |
|
||||||
"pending"); |
|
||||||
abort(); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
/* returns 1 if state becomes not ready */ |
|
||||||
static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
|
||||||
grpc_closure **st) { |
|
||||||
if (*st == CLOSURE_READY) { |
|
||||||
/* duplicate ready ==> ignore */ |
|
||||||
return 0; |
|
||||||
} else if (*st == CLOSURE_NOT_READY) { |
|
||||||
/* not ready, and not waiting ==> flag ready */ |
|
||||||
*st = CLOSURE_READY; |
|
||||||
return 0; |
|
||||||
} else { |
|
||||||
/* waiting ==> queue closure */ |
|
||||||
grpc_exec_ctx_enqueue(exec_ctx, *st, !fd->shutdown, NULL); |
|
||||||
*st = CLOSURE_NOT_READY; |
|
||||||
return 1; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st) { |
|
||||||
/* only one set_ready can be active at once (but there may be a racing
|
|
||||||
notify_on) */ |
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
set_ready_locked(exec_ctx, fd, st); |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { |
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
GPR_ASSERT(!fd->shutdown); |
|
||||||
fd->shutdown = 1; |
|
||||||
set_ready_locked(exec_ctx, fd, &fd->read_closure); |
|
||||||
set_ready_locked(exec_ctx, fd, &fd->write_closure); |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
|
||||||
grpc_closure *closure) { |
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
notify_on_locked(exec_ctx, fd, &fd->read_closure, closure); |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
|
||||||
grpc_closure *closure) { |
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
notify_on_locked(exec_ctx, fd, &fd->write_closure, closure); |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
} |
|
||||||
|
|
||||||
uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset, |
|
||||||
grpc_pollset_worker *worker, uint32_t read_mask, |
|
||||||
uint32_t write_mask, grpc_fd_watcher *watcher) { |
|
||||||
uint32_t mask = 0; |
|
||||||
grpc_closure *cur; |
|
||||||
int requested; |
|
||||||
/* keep track of pollers that have requested our events, in case they change
|
|
||||||
*/ |
|
||||||
GRPC_FD_REF(fd, "poll"); |
|
||||||
|
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
|
|
||||||
/* if we are shutdown, then don't add to the watcher set */ |
|
||||||
if (fd->shutdown) { |
|
||||||
watcher->fd = NULL; |
|
||||||
watcher->pollset = NULL; |
|
||||||
watcher->worker = NULL; |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
GRPC_FD_UNREF(fd, "poll"); |
|
||||||
return 0; |
|
||||||
} |
|
||||||
|
|
||||||
/* if there is nobody polling for read, but we need to, then start doing so */ |
|
||||||
cur = fd->read_closure; |
|
||||||
requested = cur != CLOSURE_READY; |
|
||||||
if (read_mask && fd->read_watcher == NULL && requested) { |
|
||||||
fd->read_watcher = watcher; |
|
||||||
mask |= read_mask; |
|
||||||
} |
|
||||||
/* if there is nobody polling for write, but we need to, then start doing so
|
|
||||||
*/ |
|
||||||
cur = fd->write_closure; |
|
||||||
requested = cur != CLOSURE_READY; |
|
||||||
if (write_mask && fd->write_watcher == NULL && requested) { |
|
||||||
fd->write_watcher = watcher; |
|
||||||
mask |= write_mask; |
|
||||||
} |
|
||||||
/* if not polling, remember this watcher in case we need someone to later */ |
|
||||||
if (mask == 0 && worker != NULL) { |
|
||||||
watcher->next = &fd->inactive_watcher_root; |
|
||||||
watcher->prev = watcher->next->prev; |
|
||||||
watcher->next->prev = watcher->prev->next = watcher; |
|
||||||
} |
|
||||||
watcher->pollset = pollset; |
|
||||||
watcher->worker = worker; |
|
||||||
watcher->fd = fd; |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
|
|
||||||
return mask; |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *watcher, |
|
||||||
int got_read, int got_write) { |
|
||||||
int was_polling = 0; |
|
||||||
int kick = 0; |
|
||||||
grpc_fd *fd = watcher->fd; |
|
||||||
|
|
||||||
if (fd == NULL) { |
|
||||||
return; |
|
||||||
} |
|
||||||
|
|
||||||
gpr_mu_lock(&fd->mu); |
|
||||||
|
|
||||||
if (watcher == fd->read_watcher) { |
|
||||||
/* remove read watcher, kick if we still need a read */ |
|
||||||
was_polling = 1; |
|
||||||
if (!got_read) { |
|
||||||
kick = 1; |
|
||||||
} |
|
||||||
fd->read_watcher = NULL; |
|
||||||
} |
|
||||||
if (watcher == fd->write_watcher) { |
|
||||||
/* remove write watcher, kick if we still need a write */ |
|
||||||
was_polling = 1; |
|
||||||
if (!got_write) { |
|
||||||
kick = 1; |
|
||||||
} |
|
||||||
fd->write_watcher = NULL; |
|
||||||
} |
|
||||||
if (!was_polling && watcher->worker != NULL) { |
|
||||||
/* remove from inactive list */ |
|
||||||
watcher->next->prev = watcher->prev; |
|
||||||
watcher->prev->next = watcher->next; |
|
||||||
} |
|
||||||
if (got_read) { |
|
||||||
if (set_ready_locked(exec_ctx, fd, &fd->read_closure)) { |
|
||||||
kick = 1; |
|
||||||
} |
|
||||||
} |
|
||||||
if (got_write) { |
|
||||||
if (set_ready_locked(exec_ctx, fd, &fd->write_closure)) { |
|
||||||
kick = 1; |
|
||||||
} |
|
||||||
} |
|
||||||
if (kick) { |
|
||||||
maybe_wake_one_watcher_locked(fd); |
|
||||||
} |
|
||||||
if (grpc_fd_is_orphaned(fd) && !has_watchers(fd) && !fd->closed) { |
|
||||||
close_fd_locked(exec_ctx, fd); |
|
||||||
} |
|
||||||
gpr_mu_unlock(&fd->mu); |
|
||||||
|
|
||||||
GRPC_FD_UNREF(fd, "poll"); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { |
|
||||||
set_ready(exec_ctx, fd, &fd->read_closure); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { |
|
||||||
set_ready(exec_ctx, fd, &fd->write_closure); |
|
||||||
} |
|
||||||
|
|
||||||
#endif |
|
||||||
@ -1,192 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#ifndef GRPC_CORE_LIB_IOMGR_FD_POSIX_H |
|
||||||
#define GRPC_CORE_LIB_IOMGR_FD_POSIX_H |
|
||||||
|
|
||||||
#include <grpc/support/atm.h> |
|
||||||
#include <grpc/support/sync.h> |
|
||||||
#include <grpc/support/time.h> |
|
||||||
#include "src/core/lib/iomgr/iomgr_internal.h" |
|
||||||
#include "src/core/lib/iomgr/pollset.h" |
|
||||||
|
|
||||||
typedef struct grpc_fd grpc_fd; |
|
||||||
|
|
||||||
typedef struct grpc_fd_watcher { |
|
||||||
struct grpc_fd_watcher *next; |
|
||||||
struct grpc_fd_watcher *prev; |
|
||||||
grpc_pollset *pollset; |
|
||||||
grpc_pollset_worker *worker; |
|
||||||
grpc_fd *fd; |
|
||||||
} grpc_fd_watcher; |
|
||||||
|
|
||||||
struct grpc_fd { |
|
||||||
int fd; |
|
||||||
/* refst format:
|
|
||||||
bit0: 1=active/0=orphaned |
|
||||||
bit1-n: refcount |
|
||||||
meaning that mostly we ref by two to avoid altering the orphaned bit, |
|
||||||
and just unref by 1 when we're ready to flag the object as orphaned */ |
|
||||||
gpr_atm refst; |
|
||||||
|
|
||||||
gpr_mu mu; |
|
||||||
int shutdown; |
|
||||||
int closed; |
|
||||||
int released; |
|
||||||
|
|
||||||
/* The watcher list.
|
|
||||||
|
|
||||||
The following watcher related fields are protected by watcher_mu. |
|
||||||
|
|
||||||
An fd_watcher is an ephemeral object created when an fd wants to |
|
||||||
begin polling, and destroyed after the poll. |
|
||||||
|
|
||||||
It denotes the fd's interest in whether to read poll or write poll |
|
||||||
or both or neither on this fd. |
|
||||||
|
|
||||||
If a watcher is asked to poll for reads or writes, the read_watcher |
|
||||||
or write_watcher fields are set respectively. A watcher may be asked |
|
||||||
to poll for both, in which case both fields will be set. |
|
||||||
|
|
||||||
read_watcher and write_watcher may be NULL if no watcher has been |
|
||||||
asked to poll for reads or writes. |
|
||||||
|
|
||||||
If an fd_watcher is not asked to poll for reads or writes, it's added |
|
||||||
to a linked list of inactive watchers, rooted at inactive_watcher_root. |
|
||||||
If at a later time there becomes need of a poller to poll, one of |
|
||||||
the inactive pollers may be kicked out of their poll loops to take |
|
||||||
that responsibility. */ |
|
||||||
grpc_fd_watcher inactive_watcher_root; |
|
||||||
grpc_fd_watcher *read_watcher; |
|
||||||
grpc_fd_watcher *write_watcher; |
|
||||||
|
|
||||||
grpc_closure *read_closure; |
|
||||||
grpc_closure *write_closure; |
|
||||||
|
|
||||||
struct grpc_fd *freelist_next; |
|
||||||
|
|
||||||
grpc_closure *on_done_closure; |
|
||||||
|
|
||||||
grpc_iomgr_object iomgr_object; |
|
||||||
}; |
|
||||||
|
|
||||||
/* Create a wrapped file descriptor.
|
|
||||||
Requires fd is a non-blocking file descriptor. |
|
||||||
This takes ownership of closing fd. */ |
|
||||||
grpc_fd *grpc_fd_create(int fd, const char *name); |
|
||||||
|
|
||||||
/* Return the wrapped fd, or -1 if it has been released or closed. */ |
|
||||||
int grpc_fd_wrapped_fd(grpc_fd *fd); |
|
||||||
|
|
||||||
/* Releases fd to be asynchronously destroyed.
|
|
||||||
on_done is called when the underlying file descriptor is definitely close()d. |
|
||||||
If on_done is NULL, no callback will be made. |
|
||||||
If release_fd is not NULL, it's set to fd and fd will not be closed. |
|
||||||
Requires: *fd initialized; no outstanding notify_on_read or |
|
||||||
notify_on_write. |
|
||||||
MUST NOT be called with a pollset lock taken */ |
|
||||||
void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done, |
|
||||||
int *release_fd, const char *reason); |
|
||||||
|
|
||||||
/* Begin polling on an fd.
|
|
||||||
Registers that the given pollset is interested in this fd - so that if read |
|
||||||
or writability interest changes, the pollset can be kicked to pick up that |
|
||||||
new interest. |
|
||||||
Return value is: |
|
||||||
(fd_needs_read? read_mask : 0) | (fd_needs_write? write_mask : 0) |
|
||||||
i.e. a combination of read_mask and write_mask determined by the fd's current |
|
||||||
interest in said events. |
|
||||||
Polling strategies that do not need to alter their behavior depending on the |
|
||||||
fd's current interest (such as epoll) do not need to call this function. |
|
||||||
MUST NOT be called with a pollset lock taken */ |
|
||||||
uint32_t grpc_fd_begin_poll(grpc_fd *fd, grpc_pollset *pollset, |
|
||||||
grpc_pollset_worker *worker, uint32_t read_mask, |
|
||||||
uint32_t write_mask, grpc_fd_watcher *rec); |
|
||||||
/* Complete polling previously started with grpc_fd_begin_poll
|
|
||||||
MUST NOT be called with a pollset lock taken |
|
||||||
if got_read or got_write are 1, also does the become_{readable,writable} as |
|
||||||
appropriate. */ |
|
||||||
void grpc_fd_end_poll(grpc_exec_ctx *exec_ctx, grpc_fd_watcher *rec, |
|
||||||
int got_read, int got_write); |
|
||||||
|
|
||||||
/* Return 1 if this fd is orphaned, 0 otherwise */ |
|
||||||
int grpc_fd_is_orphaned(grpc_fd *fd); |
|
||||||
|
|
||||||
/* Cause any current callbacks to error out with GRPC_CALLBACK_CANCELLED. */ |
|
||||||
void grpc_fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd); |
|
||||||
|
|
||||||
/* Register read interest, causing read_cb to be called once when fd becomes
|
|
||||||
readable, on deadline specified by deadline, or on shutdown triggered by |
|
||||||
grpc_fd_shutdown. |
|
||||||
read_cb will be called with read_cb_arg when *fd becomes readable. |
|
||||||
read_cb is Called with status of GRPC_CALLBACK_SUCCESS if readable, |
|
||||||
GRPC_CALLBACK_TIMED_OUT if the call timed out, |
|
||||||
and CANCELLED if the call was cancelled. |
|
||||||
|
|
||||||
Requires:This method must not be called before the read_cb for any previous |
|
||||||
call runs. Edge triggered events are used whenever they are supported by the |
|
||||||
underlying platform. This means that users must drain fd in read_cb before |
|
||||||
calling notify_on_read again. Users are also expected to handle spurious |
|
||||||
events, i.e read_cb is called while nothing can be readable from fd */ |
|
||||||
void grpc_fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
|
||||||
grpc_closure *closure); |
|
||||||
|
|
||||||
/* Exactly the same semantics as above, except based on writable events. */ |
|
||||||
void grpc_fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd, |
|
||||||
grpc_closure *closure); |
|
||||||
|
|
||||||
/* Notification from the poller to an fd that it has become readable or
|
|
||||||
writable. |
|
||||||
If allow_synchronous_callback is 1, allow running the fd callback inline |
|
||||||
in this callstack, otherwise register an asynchronous callback and return */ |
|
||||||
void grpc_fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd); |
|
||||||
void grpc_fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd); |
|
||||||
|
|
||||||
/* Reference counting for fds */ |
|
||||||
/*#define GRPC_FD_REF_COUNT_DEBUG*/ |
|
||||||
#ifdef GRPC_FD_REF_COUNT_DEBUG |
|
||||||
void grpc_fd_ref(grpc_fd *fd, const char *reason, const char *file, int line); |
|
||||||
void grpc_fd_unref(grpc_fd *fd, const char *reason, const char *file, int line); |
|
||||||
#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd, reason, __FILE__, __LINE__) |
|
||||||
#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd, reason, __FILE__, __LINE__) |
|
||||||
#else |
|
||||||
void grpc_fd_ref(grpc_fd *fd); |
|
||||||
void grpc_fd_unref(grpc_fd *fd); |
|
||||||
#define GRPC_FD_REF(fd, reason) grpc_fd_ref(fd) |
|
||||||
#define GRPC_FD_UNREF(fd, reason) grpc_fd_unref(fd) |
|
||||||
#endif |
|
||||||
|
|
||||||
void grpc_fd_global_init(void); |
|
||||||
void grpc_fd_global_shutdown(void); |
|
||||||
|
|
||||||
#endif /* GRPC_CORE_LIB_IOMGR_FD_POSIX_H */ |
|
||||||
@ -1,324 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include <grpc/support/port_platform.h> |
|
||||||
|
|
||||||
#ifdef GPR_LINUX_MULTIPOLL_WITH_EPOLL |
|
||||||
|
|
||||||
#include <errno.h> |
|
||||||
#include <poll.h> |
|
||||||
#include <string.h> |
|
||||||
#include <sys/epoll.h> |
|
||||||
#include <unistd.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
#include "src/core/lib/iomgr/fd_posix.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/profiling/timers.h" |
|
||||||
#include "src/core/lib/support/block_annotate.h" |
|
||||||
|
|
||||||
struct epoll_fd_list { |
|
||||||
int *epoll_fds; |
|
||||||
size_t count; |
|
||||||
size_t capacity; |
|
||||||
}; |
|
||||||
|
|
||||||
static struct epoll_fd_list epoll_fd_global_list; |
|
||||||
static gpr_once init_epoll_fd_list_mu = GPR_ONCE_INIT; |
|
||||||
static gpr_mu epoll_fd_list_mu; |
|
||||||
|
|
||||||
static void init_mu(void) { gpr_mu_init(&epoll_fd_list_mu); } |
|
||||||
|
|
||||||
static void add_epoll_fd_to_global_list(int epoll_fd) { |
|
||||||
gpr_once_init(&init_epoll_fd_list_mu, init_mu); |
|
||||||
|
|
||||||
gpr_mu_lock(&epoll_fd_list_mu); |
|
||||||
if (epoll_fd_global_list.count == epoll_fd_global_list.capacity) { |
|
||||||
epoll_fd_global_list.capacity = |
|
||||||
GPR_MAX((size_t)8, epoll_fd_global_list.capacity * 2); |
|
||||||
epoll_fd_global_list.epoll_fds = |
|
||||||
gpr_realloc(epoll_fd_global_list.epoll_fds, |
|
||||||
epoll_fd_global_list.capacity * sizeof(int)); |
|
||||||
} |
|
||||||
epoll_fd_global_list.epoll_fds[epoll_fd_global_list.count++] = epoll_fd; |
|
||||||
gpr_mu_unlock(&epoll_fd_list_mu); |
|
||||||
} |
|
||||||
|
|
||||||
static void remove_epoll_fd_from_global_list(int epoll_fd) { |
|
||||||
gpr_mu_lock(&epoll_fd_list_mu); |
|
||||||
GPR_ASSERT(epoll_fd_global_list.count > 0); |
|
||||||
for (size_t i = 0; i < epoll_fd_global_list.count; i++) { |
|
||||||
if (epoll_fd == epoll_fd_global_list.epoll_fds[i]) { |
|
||||||
epoll_fd_global_list.epoll_fds[i] = |
|
||||||
epoll_fd_global_list.epoll_fds[--(epoll_fd_global_list.count)]; |
|
||||||
break; |
|
||||||
} |
|
||||||
} |
|
||||||
gpr_mu_unlock(&epoll_fd_list_mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_remove_fd_from_all_epoll_sets(int fd) { |
|
||||||
int err; |
|
||||||
gpr_once_init(&init_epoll_fd_list_mu, init_mu); |
|
||||||
gpr_mu_lock(&epoll_fd_list_mu); |
|
||||||
if (epoll_fd_global_list.count == 0) { |
|
||||||
gpr_mu_unlock(&epoll_fd_list_mu); |
|
||||||
return; |
|
||||||
} |
|
||||||
for (size_t i = 0; i < epoll_fd_global_list.count; i++) { |
|
||||||
err = epoll_ctl(epoll_fd_global_list.epoll_fds[i], EPOLL_CTL_DEL, fd, NULL); |
|
||||||
if (err < 0 && errno != ENOENT) { |
|
||||||
gpr_log(GPR_ERROR, "epoll_ctl del for %d failed: %s", fd, |
|
||||||
strerror(errno)); |
|
||||||
} |
|
||||||
} |
|
||||||
gpr_mu_unlock(&epoll_fd_list_mu); |
|
||||||
} |
|
||||||
|
|
||||||
typedef struct { |
|
||||||
grpc_pollset *pollset; |
|
||||||
grpc_fd *fd; |
|
||||||
grpc_closure closure; |
|
||||||
} delayed_add; |
|
||||||
|
|
||||||
typedef struct { int epoll_fd; } pollset_hdr; |
|
||||||
|
|
||||||
static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
grpc_fd *fd) { |
|
||||||
pollset_hdr *h = pollset->data.ptr; |
|
||||||
struct epoll_event ev; |
|
||||||
int err; |
|
||||||
grpc_fd_watcher watcher; |
|
||||||
|
|
||||||
/* We pretend to be polling whilst adding an fd to keep the fd from being
|
|
||||||
closed during the add. This may result in a spurious wakeup being assigned |
|
||||||
to this pollset whilst adding, but that should be benign. */ |
|
||||||
GPR_ASSERT(grpc_fd_begin_poll(fd, pollset, NULL, 0, 0, &watcher) == 0); |
|
||||||
if (watcher.fd != NULL) { |
|
||||||
ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET); |
|
||||||
ev.data.ptr = fd; |
|
||||||
err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD, fd->fd, &ev); |
|
||||||
if (err < 0) { |
|
||||||
/* FDs may be added to a pollset multiple times, so EEXIST is normal. */ |
|
||||||
if (errno != EEXIST) { |
|
||||||
gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s", fd->fd, |
|
||||||
strerror(errno)); |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
grpc_fd_end_poll(exec_ctx, &watcher, 0, 0); |
|
||||||
} |
|
||||||
|
|
||||||
static void perform_delayed_add(grpc_exec_ctx *exec_ctx, void *arg, |
|
||||||
bool iomgr_status) { |
|
||||||
delayed_add *da = arg; |
|
||||||
|
|
||||||
if (!grpc_fd_is_orphaned(da->fd)) { |
|
||||||
finally_add_fd(exec_ctx, da->pollset, da->fd); |
|
||||||
} |
|
||||||
|
|
||||||
gpr_mu_lock(&da->pollset->mu); |
|
||||||
da->pollset->in_flight_cbs--; |
|
||||||
if (da->pollset->shutting_down) { |
|
||||||
/* We don't care about this pollset anymore. */ |
|
||||||
if (da->pollset->in_flight_cbs == 0 && !da->pollset->called_shutdown) { |
|
||||||
da->pollset->called_shutdown = 1; |
|
||||||
grpc_exec_ctx_enqueue(exec_ctx, da->pollset->shutdown_done, true, NULL); |
|
||||||
} |
|
||||||
} |
|
||||||
gpr_mu_unlock(&da->pollset->mu); |
|
||||||
|
|
||||||
GRPC_FD_UNREF(da->fd, "delayed_add"); |
|
||||||
|
|
||||||
gpr_free(da); |
|
||||||
} |
|
||||||
|
|
||||||
static void multipoll_with_epoll_pollset_add_fd(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, |
|
||||||
grpc_fd *fd, |
|
||||||
int and_unlock_pollset) { |
|
||||||
if (and_unlock_pollset) { |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
finally_add_fd(exec_ctx, pollset, fd); |
|
||||||
} else { |
|
||||||
delayed_add *da = gpr_malloc(sizeof(*da)); |
|
||||||
da->pollset = pollset; |
|
||||||
da->fd = fd; |
|
||||||
GRPC_FD_REF(fd, "delayed_add"); |
|
||||||
grpc_closure_init(&da->closure, perform_delayed_add, da); |
|
||||||
pollset->in_flight_cbs++; |
|
||||||
grpc_exec_ctx_enqueue(exec_ctx, &da->closure, true, NULL); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
/* TODO(klempner): We probably want to turn this down a bit */ |
|
||||||
#define GRPC_EPOLL_MAX_EVENTS 1000 |
|
||||||
|
|
||||||
static void multipoll_with_epoll_pollset_maybe_work_and_unlock( |
|
||||||
grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker, |
|
||||||
gpr_timespec deadline, gpr_timespec now) { |
|
||||||
struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS]; |
|
||||||
int ep_rv; |
|
||||||
int poll_rv; |
|
||||||
pollset_hdr *h = pollset->data.ptr; |
|
||||||
int timeout_ms; |
|
||||||
struct pollfd pfds[2]; |
|
||||||
|
|
||||||
/* If you want to ignore epoll's ability to sanely handle parallel pollers,
|
|
||||||
* for a more apples-to-apples performance comparison with poll, add a |
|
||||||
* if (pollset->counter != 0) { return 0; } |
|
||||||
* here. |
|
||||||
*/ |
|
||||||
|
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
|
|
||||||
timeout_ms = grpc_poll_deadline_to_millis_timeout(deadline, now); |
|
||||||
|
|
||||||
pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd); |
|
||||||
pfds[0].events = POLLIN; |
|
||||||
pfds[0].revents = 0; |
|
||||||
pfds[1].fd = h->epoll_fd; |
|
||||||
pfds[1].events = POLLIN; |
|
||||||
pfds[1].revents = 0; |
|
||||||
|
|
||||||
/* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
|
|
||||||
even going into the blocking annotation if possible */ |
|
||||||
GPR_TIMER_BEGIN("poll", 0); |
|
||||||
GRPC_SCHEDULING_START_BLOCKING_REGION; |
|
||||||
poll_rv = grpc_poll_function(pfds, 2, timeout_ms); |
|
||||||
GRPC_SCHEDULING_END_BLOCKING_REGION; |
|
||||||
GPR_TIMER_END("poll", 0); |
|
||||||
|
|
||||||
if (poll_rv < 0) { |
|
||||||
if (errno != EINTR) { |
|
||||||
gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno)); |
|
||||||
} |
|
||||||
} else if (poll_rv == 0) { |
|
||||||
/* do nothing */ |
|
||||||
} else { |
|
||||||
if (pfds[0].revents) { |
|
||||||
grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd); |
|
||||||
} |
|
||||||
if (pfds[1].revents) { |
|
||||||
do { |
|
||||||
/* The following epoll_wait never blocks; it has a timeout of 0 */ |
|
||||||
ep_rv = epoll_wait(h->epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, 0); |
|
||||||
if (ep_rv < 0) { |
|
||||||
if (errno != EINTR) { |
|
||||||
gpr_log(GPR_ERROR, "epoll_wait() failed: %s", strerror(errno)); |
|
||||||
} |
|
||||||
} else { |
|
||||||
int i; |
|
||||||
for (i = 0; i < ep_rv; ++i) { |
|
||||||
grpc_fd *fd = ep_ev[i].data.ptr; |
|
||||||
/* TODO(klempner): We might want to consider making err and pri
|
|
||||||
* separate events */ |
|
||||||
int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP); |
|
||||||
int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI); |
|
||||||
int write_ev = ep_ev[i].events & EPOLLOUT; |
|
||||||
if (fd == NULL) { |
|
||||||
grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd); |
|
||||||
} else { |
|
||||||
if (read_ev || cancel) { |
|
||||||
grpc_fd_become_readable(exec_ctx, fd); |
|
||||||
} |
|
||||||
if (write_ev || cancel) { |
|
||||||
grpc_fd_become_writable(exec_ctx, fd); |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
} while (ep_rv == GRPC_EPOLL_MAX_EVENTS); |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void multipoll_with_epoll_pollset_finish_shutdown( |
|
||||||
grpc_pollset *pollset) {} |
|
||||||
|
|
||||||
static void multipoll_with_epoll_pollset_destroy(grpc_pollset *pollset) { |
|
||||||
pollset_hdr *h = pollset->data.ptr; |
|
||||||
close(h->epoll_fd); |
|
||||||
remove_epoll_fd_from_global_list(h->epoll_fd); |
|
||||||
gpr_free(h); |
|
||||||
} |
|
||||||
|
|
||||||
static const grpc_pollset_vtable multipoll_with_epoll_pollset = { |
|
||||||
multipoll_with_epoll_pollset_add_fd, |
|
||||||
multipoll_with_epoll_pollset_maybe_work_and_unlock, |
|
||||||
multipoll_with_epoll_pollset_finish_shutdown, |
|
||||||
multipoll_with_epoll_pollset_destroy}; |
|
||||||
|
|
||||||
static void epoll_become_multipoller(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, grpc_fd **fds, |
|
||||||
size_t nfds) { |
|
||||||
size_t i; |
|
||||||
pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr)); |
|
||||||
struct epoll_event ev; |
|
||||||
int err; |
|
||||||
|
|
||||||
pollset->vtable = &multipoll_with_epoll_pollset; |
|
||||||
pollset->data.ptr = h; |
|
||||||
h->epoll_fd = epoll_create1(EPOLL_CLOEXEC); |
|
||||||
if (h->epoll_fd < 0) { |
|
||||||
/* TODO(klempner): Fall back to poll here, especially on ENOSYS */ |
|
||||||
gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno)); |
|
||||||
abort(); |
|
||||||
} |
|
||||||
add_epoll_fd_to_global_list(h->epoll_fd); |
|
||||||
|
|
||||||
ev.events = (uint32_t)(EPOLLIN | EPOLLET); |
|
||||||
ev.data.ptr = NULL; |
|
||||||
err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD, |
|
||||||
GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd), &ev); |
|
||||||
if (err < 0) { |
|
||||||
gpr_log(GPR_ERROR, "epoll_ctl add for %d failed: %s", |
|
||||||
GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd), |
|
||||||
strerror(errno)); |
|
||||||
} |
|
||||||
|
|
||||||
for (i = 0; i < nfds; i++) { |
|
||||||
multipoll_with_epoll_pollset_add_fd(exec_ctx, pollset, fds[i], 0); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
grpc_platform_become_multipoller_type grpc_platform_become_multipoller = |
|
||||||
epoll_become_multipoller; |
|
||||||
|
|
||||||
#else /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */ |
|
||||||
|
|
||||||
void grpc_remove_fd_from_all_epoll_sets(int fd) {} |
|
||||||
|
|
||||||
#endif /* GPR_LINUX_MULTIPOLL_WITH_EPOLL */ |
|
||||||
@ -1,234 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include <grpc/support/port_platform.h> |
|
||||||
|
|
||||||
#ifdef GPR_POSIX_SOCKET |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
|
|
||||||
#include <errno.h> |
|
||||||
#include <poll.h> |
|
||||||
#include <stdlib.h> |
|
||||||
#include <string.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/fd_posix.h" |
|
||||||
#include "src/core/lib/iomgr/iomgr_internal.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/support/block_annotate.h" |
|
||||||
|
|
||||||
typedef struct { |
|
||||||
/* all polled fds */ |
|
||||||
size_t fd_count; |
|
||||||
size_t fd_capacity; |
|
||||||
grpc_fd **fds; |
|
||||||
/* fds that have been removed from the pollset explicitly */ |
|
||||||
size_t del_count; |
|
||||||
size_t del_capacity; |
|
||||||
grpc_fd **dels; |
|
||||||
} pollset_hdr; |
|
||||||
|
|
||||||
static void multipoll_with_poll_pollset_add_fd(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, |
|
||||||
grpc_fd *fd, |
|
||||||
int and_unlock_pollset) { |
|
||||||
size_t i; |
|
||||||
pollset_hdr *h = pollset->data.ptr; |
|
||||||
/* TODO(ctiller): this is O(num_fds^2); maybe switch to a hash set here */ |
|
||||||
for (i = 0; i < h->fd_count; i++) { |
|
||||||
if (h->fds[i] == fd) goto exit; |
|
||||||
} |
|
||||||
if (h->fd_count == h->fd_capacity) { |
|
||||||
h->fd_capacity = GPR_MAX(h->fd_capacity + 8, h->fd_count * 3 / 2); |
|
||||||
h->fds = gpr_realloc(h->fds, sizeof(grpc_fd *) * h->fd_capacity); |
|
||||||
} |
|
||||||
h->fds[h->fd_count++] = fd; |
|
||||||
GRPC_FD_REF(fd, "multipoller"); |
|
||||||
exit: |
|
||||||
if (and_unlock_pollset) { |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void multipoll_with_poll_pollset_maybe_work_and_unlock( |
|
||||||
grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_pollset_worker *worker, |
|
||||||
gpr_timespec deadline, gpr_timespec now) { |
|
||||||
#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR) |
|
||||||
#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR) |
|
||||||
|
|
||||||
int timeout; |
|
||||||
int r; |
|
||||||
size_t i, j, fd_count; |
|
||||||
nfds_t pfd_count; |
|
||||||
pollset_hdr *h; |
|
||||||
/* TODO(ctiller): inline some elements to avoid an allocation */ |
|
||||||
grpc_fd_watcher *watchers; |
|
||||||
struct pollfd *pfds; |
|
||||||
|
|
||||||
h = pollset->data.ptr; |
|
||||||
timeout = grpc_poll_deadline_to_millis_timeout(deadline, now); |
|
||||||
/* TODO(ctiller): perform just one malloc here if we exceed the inline case */ |
|
||||||
pfds = gpr_malloc(sizeof(*pfds) * (h->fd_count + 2)); |
|
||||||
watchers = gpr_malloc(sizeof(*watchers) * (h->fd_count + 2)); |
|
||||||
fd_count = 0; |
|
||||||
pfd_count = 2; |
|
||||||
pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd); |
|
||||||
pfds[0].events = POLLIN; |
|
||||||
pfds[0].revents = 0; |
|
||||||
pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd); |
|
||||||
pfds[1].events = POLLIN; |
|
||||||
pfds[1].revents = 0; |
|
||||||
for (i = 0; i < h->fd_count; i++) { |
|
||||||
int remove = grpc_fd_is_orphaned(h->fds[i]); |
|
||||||
for (j = 0; !remove && j < h->del_count; j++) { |
|
||||||
if (h->fds[i] == h->dels[j]) remove = 1; |
|
||||||
} |
|
||||||
if (remove) { |
|
||||||
GRPC_FD_UNREF(h->fds[i], "multipoller"); |
|
||||||
} else { |
|
||||||
h->fds[fd_count++] = h->fds[i]; |
|
||||||
watchers[pfd_count].fd = h->fds[i]; |
|
||||||
GRPC_FD_REF(watchers[pfd_count].fd, "multipoller_start"); |
|
||||||
pfds[pfd_count].fd = h->fds[i]->fd; |
|
||||||
pfds[pfd_count].revents = 0; |
|
||||||
pfd_count++; |
|
||||||
} |
|
||||||
} |
|
||||||
for (j = 0; j < h->del_count; j++) { |
|
||||||
GRPC_FD_UNREF(h->dels[j], "multipoller_del"); |
|
||||||
} |
|
||||||
h->del_count = 0; |
|
||||||
h->fd_count = fd_count; |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
|
|
||||||
for (i = 2; i < pfd_count; i++) { |
|
||||||
grpc_fd *fd = watchers[i].fd; |
|
||||||
pfds[i].events = (short)grpc_fd_begin_poll(fd, pollset, worker, POLLIN, |
|
||||||
POLLOUT, &watchers[i]); |
|
||||||
GRPC_FD_UNREF(fd, "multipoller_start"); |
|
||||||
} |
|
||||||
|
|
||||||
/* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
|
|
||||||
even going into the blocking annotation if possible */ |
|
||||||
GRPC_SCHEDULING_START_BLOCKING_REGION; |
|
||||||
r = grpc_poll_function(pfds, pfd_count, timeout); |
|
||||||
GRPC_SCHEDULING_END_BLOCKING_REGION; |
|
||||||
|
|
||||||
if (r < 0) { |
|
||||||
if (errno != EINTR) { |
|
||||||
gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno)); |
|
||||||
} |
|
||||||
for (i = 2; i < pfd_count; i++) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0); |
|
||||||
} |
|
||||||
} else if (r == 0) { |
|
||||||
for (i = 2; i < pfd_count; i++) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0); |
|
||||||
} |
|
||||||
} else { |
|
||||||
if (pfds[0].revents & POLLIN_CHECK) { |
|
||||||
grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd); |
|
||||||
} |
|
||||||
if (pfds[1].revents & POLLIN_CHECK) { |
|
||||||
grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd); |
|
||||||
} |
|
||||||
for (i = 2; i < pfd_count; i++) { |
|
||||||
if (watchers[i].fd == NULL) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &watchers[i], 0, 0); |
|
||||||
continue; |
|
||||||
} |
|
||||||
grpc_fd_end_poll(exec_ctx, &watchers[i], pfds[i].revents & POLLIN_CHECK, |
|
||||||
pfds[i].revents & POLLOUT_CHECK); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
gpr_free(pfds); |
|
||||||
gpr_free(watchers); |
|
||||||
} |
|
||||||
|
|
||||||
static void multipoll_with_poll_pollset_finish_shutdown(grpc_pollset *pollset) { |
|
||||||
size_t i; |
|
||||||
pollset_hdr *h = pollset->data.ptr; |
|
||||||
for (i = 0; i < h->fd_count; i++) { |
|
||||||
GRPC_FD_UNREF(h->fds[i], "multipoller"); |
|
||||||
} |
|
||||||
for (i = 0; i < h->del_count; i++) { |
|
||||||
GRPC_FD_UNREF(h->dels[i], "multipoller_del"); |
|
||||||
} |
|
||||||
h->fd_count = 0; |
|
||||||
h->del_count = 0; |
|
||||||
} |
|
||||||
|
|
||||||
static void multipoll_with_poll_pollset_destroy(grpc_pollset *pollset) { |
|
||||||
pollset_hdr *h = pollset->data.ptr; |
|
||||||
multipoll_with_poll_pollset_finish_shutdown(pollset); |
|
||||||
gpr_free(h->fds); |
|
||||||
gpr_free(h->dels); |
|
||||||
gpr_free(h); |
|
||||||
} |
|
||||||
|
|
||||||
static const grpc_pollset_vtable multipoll_with_poll_pollset = { |
|
||||||
multipoll_with_poll_pollset_add_fd, |
|
||||||
multipoll_with_poll_pollset_maybe_work_and_unlock, |
|
||||||
multipoll_with_poll_pollset_finish_shutdown, |
|
||||||
multipoll_with_poll_pollset_destroy}; |
|
||||||
|
|
||||||
void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, grpc_fd **fds, |
|
||||||
size_t nfds) { |
|
||||||
size_t i; |
|
||||||
pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr)); |
|
||||||
pollset->vtable = &multipoll_with_poll_pollset; |
|
||||||
pollset->data.ptr = h; |
|
||||||
h->fd_count = nfds; |
|
||||||
h->fd_capacity = nfds; |
|
||||||
h->fds = gpr_malloc(nfds * sizeof(grpc_fd *)); |
|
||||||
h->del_count = 0; |
|
||||||
h->del_capacity = 0; |
|
||||||
h->dels = NULL; |
|
||||||
for (i = 0; i < nfds; i++) { |
|
||||||
h->fds[i] = fds[i]; |
|
||||||
GRPC_FD_REF(fds[i], "multipoller"); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
#endif /* GPR_POSIX_SOCKET */ |
|
||||||
|
|
||||||
#ifdef GPR_POSIX_MULTIPOLL_WITH_POLL |
|
||||||
grpc_platform_become_multipoller_type grpc_platform_become_multipoller = |
|
||||||
grpc_poll_become_multipoller; |
|
||||||
#endif |
|
||||||
@ -1,633 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include <grpc/support/port_platform.h> |
|
||||||
|
|
||||||
#ifdef GPR_POSIX_SOCKET |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
|
|
||||||
#include <errno.h> |
|
||||||
#include <stdlib.h> |
|
||||||
#include <string.h> |
|
||||||
#include <unistd.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/thd.h> |
|
||||||
#include <grpc/support/tls.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
#include "src/core/lib/iomgr/fd_posix.h" |
|
||||||
#include "src/core/lib/iomgr/iomgr_internal.h" |
|
||||||
#include "src/core/lib/iomgr/socket_utils_posix.h" |
|
||||||
#include "src/core/lib/profiling/timers.h" |
|
||||||
#include "src/core/lib/support/block_annotate.h" |
|
||||||
|
|
||||||
GPR_TLS_DECL(g_current_thread_poller); |
|
||||||
GPR_TLS_DECL(g_current_thread_worker); |
|
||||||
|
|
||||||
/** Default poll() function - a pointer so that it can be overridden by some
|
|
||||||
* tests */ |
|
||||||
grpc_poll_function_type grpc_poll_function = poll; |
|
||||||
|
|
||||||
/** The alarm system needs to be able to wakeup 'some poller' sometimes
|
|
||||||
* (specifically when a new alarm needs to be triggered earlier than the next |
|
||||||
* alarm 'epoch'). |
|
||||||
* This wakeup_fd gives us something to alert on when such a case occurs. */ |
|
||||||
grpc_wakeup_fd grpc_global_wakeup_fd; |
|
||||||
|
|
||||||
static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) { |
|
||||||
worker->prev->next = worker->next; |
|
||||||
worker->next->prev = worker->prev; |
|
||||||
} |
|
||||||
|
|
||||||
int grpc_pollset_has_workers(grpc_pollset *p) { |
|
||||||
return p->root_worker.next != &p->root_worker; |
|
||||||
} |
|
||||||
|
|
||||||
static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) { |
|
||||||
if (grpc_pollset_has_workers(p)) { |
|
||||||
grpc_pollset_worker *w = p->root_worker.next; |
|
||||||
remove_worker(p, w); |
|
||||||
return w; |
|
||||||
} else { |
|
||||||
return NULL; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) { |
|
||||||
worker->next = &p->root_worker; |
|
||||||
worker->prev = worker->next->prev; |
|
||||||
worker->prev->next = worker->next->prev = worker; |
|
||||||
} |
|
||||||
|
|
||||||
static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) { |
|
||||||
worker->prev = &p->root_worker; |
|
||||||
worker->next = worker->prev->next; |
|
||||||
worker->prev->next = worker->next->prev = worker; |
|
||||||
} |
|
||||||
|
|
||||||
size_t grpc_pollset_size(void) { return sizeof(grpc_pollset); } |
|
||||||
|
|
||||||
void grpc_pollset_kick_ext(grpc_pollset *p, |
|
||||||
grpc_pollset_worker *specific_worker, |
|
||||||
uint32_t flags) { |
|
||||||
GPR_TIMER_BEGIN("grpc_pollset_kick_ext", 0); |
|
||||||
|
|
||||||
/* pollset->mu already held */ |
|
||||||
if (specific_worker != NULL) { |
|
||||||
if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) { |
|
||||||
GPR_TIMER_BEGIN("grpc_pollset_kick_ext.broadcast", 0); |
|
||||||
GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0); |
|
||||||
for (specific_worker = p->root_worker.next; |
|
||||||
specific_worker != &p->root_worker; |
|
||||||
specific_worker = specific_worker->next) { |
|
||||||
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd); |
|
||||||
} |
|
||||||
p->kicked_without_pollers = 1; |
|
||||||
GPR_TIMER_END("grpc_pollset_kick_ext.broadcast", 0); |
|
||||||
} else if (gpr_tls_get(&g_current_thread_worker) != |
|
||||||
(intptr_t)specific_worker) { |
|
||||||
GPR_TIMER_MARK("different_thread_worker", 0); |
|
||||||
if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) { |
|
||||||
specific_worker->reevaluate_polling_on_wakeup = 1; |
|
||||||
} |
|
||||||
specific_worker->kicked_specifically = 1; |
|
||||||
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd); |
|
||||||
} else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) { |
|
||||||
GPR_TIMER_MARK("kick_yoself", 0); |
|
||||||
if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) { |
|
||||||
specific_worker->reevaluate_polling_on_wakeup = 1; |
|
||||||
} |
|
||||||
specific_worker->kicked_specifically = 1; |
|
||||||
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd); |
|
||||||
} |
|
||||||
} else if (gpr_tls_get(&g_current_thread_poller) != (intptr_t)p) { |
|
||||||
GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0); |
|
||||||
GPR_TIMER_MARK("kick_anonymous", 0); |
|
||||||
specific_worker = pop_front_worker(p); |
|
||||||
if (specific_worker != NULL) { |
|
||||||
if (gpr_tls_get(&g_current_thread_worker) == (intptr_t)specific_worker) { |
|
||||||
GPR_TIMER_MARK("kick_anonymous_not_self", 0); |
|
||||||
push_back_worker(p, specific_worker); |
|
||||||
specific_worker = pop_front_worker(p); |
|
||||||
if ((flags & GRPC_POLLSET_CAN_KICK_SELF) == 0 && |
|
||||||
gpr_tls_get(&g_current_thread_worker) == |
|
||||||
(intptr_t)specific_worker) { |
|
||||||
push_back_worker(p, specific_worker); |
|
||||||
specific_worker = NULL; |
|
||||||
} |
|
||||||
} |
|
||||||
if (specific_worker != NULL) { |
|
||||||
GPR_TIMER_MARK("finally_kick", 0); |
|
||||||
push_back_worker(p, specific_worker); |
|
||||||
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd); |
|
||||||
} |
|
||||||
} else { |
|
||||||
GPR_TIMER_MARK("kicked_no_pollers", 0); |
|
||||||
p->kicked_without_pollers = 1; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
GPR_TIMER_END("grpc_pollset_kick_ext", 0); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) { |
|
||||||
grpc_pollset_kick_ext(p, specific_worker, 0); |
|
||||||
} |
|
||||||
|
|
||||||
/* global state management */ |
|
||||||
|
|
||||||
void grpc_pollset_global_init(void) { |
|
||||||
gpr_tls_init(&g_current_thread_poller); |
|
||||||
gpr_tls_init(&g_current_thread_worker); |
|
||||||
grpc_wakeup_fd_global_init(); |
|
||||||
grpc_wakeup_fd_init(&grpc_global_wakeup_fd); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_global_shutdown(void) { |
|
||||||
grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd); |
|
||||||
gpr_tls_destroy(&g_current_thread_poller); |
|
||||||
gpr_tls_destroy(&g_current_thread_worker); |
|
||||||
grpc_wakeup_fd_global_destroy(); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); } |
|
||||||
|
|
||||||
/* main interface */ |
|
||||||
|
|
||||||
static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null); |
|
||||||
|
|
||||||
void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu) { |
|
||||||
gpr_mu_init(&pollset->mu); |
|
||||||
*mu = &pollset->mu; |
|
||||||
pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker; |
|
||||||
pollset->in_flight_cbs = 0; |
|
||||||
pollset->shutting_down = 0; |
|
||||||
pollset->called_shutdown = 0; |
|
||||||
pollset->kicked_without_pollers = 0; |
|
||||||
pollset->idle_jobs.head = pollset->idle_jobs.tail = NULL; |
|
||||||
pollset->local_wakeup_cache = NULL; |
|
||||||
pollset->kicked_without_pollers = 0; |
|
||||||
become_basic_pollset(pollset, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_destroy(grpc_pollset *pollset) { |
|
||||||
GPR_ASSERT(pollset->in_flight_cbs == 0); |
|
||||||
GPR_ASSERT(!grpc_pollset_has_workers(pollset)); |
|
||||||
GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail); |
|
||||||
pollset->vtable->destroy(pollset); |
|
||||||
while (pollset->local_wakeup_cache) { |
|
||||||
grpc_cached_wakeup_fd *next = pollset->local_wakeup_cache->next; |
|
||||||
grpc_wakeup_fd_destroy(&pollset->local_wakeup_cache->fd); |
|
||||||
gpr_free(pollset->local_wakeup_cache); |
|
||||||
pollset->local_wakeup_cache = next; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_reset(grpc_pollset *pollset) { |
|
||||||
GPR_ASSERT(pollset->shutting_down); |
|
||||||
GPR_ASSERT(pollset->in_flight_cbs == 0); |
|
||||||
GPR_ASSERT(!grpc_pollset_has_workers(pollset)); |
|
||||||
GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail); |
|
||||||
pollset->vtable->destroy(pollset); |
|
||||||
pollset->shutting_down = 0; |
|
||||||
pollset->called_shutdown = 0; |
|
||||||
pollset->kicked_without_pollers = 0; |
|
||||||
become_basic_pollset(pollset, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
grpc_fd *fd) { |
|
||||||
gpr_mu_lock(&pollset->mu); |
|
||||||
pollset->vtable->add_fd(exec_ctx, pollset, fd, 1); |
|
||||||
/* the following (enabled only in debug) will reacquire and then release
|
|
||||||
our lock - meaning that if the unlocking flag passed to add_fd above is |
|
||||||
not respected, the code will deadlock (in a way that we have a chance of |
|
||||||
debugging) */ |
|
||||||
#ifndef NDEBUG |
|
||||||
gpr_mu_lock(&pollset->mu); |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
#endif |
|
||||||
} |
|
||||||
|
|
||||||
static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) { |
|
||||||
GPR_ASSERT(grpc_closure_list_empty(pollset->idle_jobs)); |
|
||||||
pollset->vtable->finish_shutdown(pollset); |
|
||||||
grpc_exec_ctx_enqueue(exec_ctx, pollset->shutdown_done, true, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
grpc_pollset_worker **worker_hdl, gpr_timespec now, |
|
||||||
gpr_timespec deadline) { |
|
||||||
grpc_pollset_worker worker; |
|
||||||
*worker_hdl = &worker; |
|
||||||
|
|
||||||
/* pollset->mu already held */ |
|
||||||
int added_worker = 0; |
|
||||||
int locked = 1; |
|
||||||
int queued_work = 0; |
|
||||||
int keep_polling = 0; |
|
||||||
GPR_TIMER_BEGIN("grpc_pollset_work", 0); |
|
||||||
/* this must happen before we (potentially) drop pollset->mu */ |
|
||||||
worker.next = worker.prev = NULL; |
|
||||||
worker.reevaluate_polling_on_wakeup = 0; |
|
||||||
if (pollset->local_wakeup_cache != NULL) { |
|
||||||
worker.wakeup_fd = pollset->local_wakeup_cache; |
|
||||||
pollset->local_wakeup_cache = worker.wakeup_fd->next; |
|
||||||
} else { |
|
||||||
worker.wakeup_fd = gpr_malloc(sizeof(*worker.wakeup_fd)); |
|
||||||
grpc_wakeup_fd_init(&worker.wakeup_fd->fd); |
|
||||||
} |
|
||||||
worker.kicked_specifically = 0; |
|
||||||
/* If there's work waiting for the pollset to be idle, and the
|
|
||||||
pollset is idle, then do that work */ |
|
||||||
if (!grpc_pollset_has_workers(pollset) && |
|
||||||
!grpc_closure_list_empty(pollset->idle_jobs)) { |
|
||||||
GPR_TIMER_MARK("grpc_pollset_work.idle_jobs", 0); |
|
||||||
grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL); |
|
||||||
goto done; |
|
||||||
} |
|
||||||
/* If we're shutting down then we don't execute any extended work */ |
|
||||||
if (pollset->shutting_down) { |
|
||||||
GPR_TIMER_MARK("grpc_pollset_work.shutting_down", 0); |
|
||||||
goto done; |
|
||||||
} |
|
||||||
/* Give do_promote priority so we don't starve it out */ |
|
||||||
if (pollset->in_flight_cbs) { |
|
||||||
GPR_TIMER_MARK("grpc_pollset_work.in_flight_cbs", 0); |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
locked = 0; |
|
||||||
goto done; |
|
||||||
} |
|
||||||
/* Start polling, and keep doing so while we're being asked to
|
|
||||||
re-evaluate our pollers (this allows poll() based pollers to |
|
||||||
ensure they don't miss wakeups) */ |
|
||||||
keep_polling = 1; |
|
||||||
while (keep_polling) { |
|
||||||
keep_polling = 0; |
|
||||||
if (!pollset->kicked_without_pollers) { |
|
||||||
if (!added_worker) { |
|
||||||
push_front_worker(pollset, &worker); |
|
||||||
added_worker = 1; |
|
||||||
gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker); |
|
||||||
} |
|
||||||
gpr_tls_set(&g_current_thread_poller, (intptr_t)pollset); |
|
||||||
GPR_TIMER_BEGIN("maybe_work_and_unlock", 0); |
|
||||||
pollset->vtable->maybe_work_and_unlock(exec_ctx, pollset, &worker, |
|
||||||
deadline, now); |
|
||||||
GPR_TIMER_END("maybe_work_and_unlock", 0); |
|
||||||
locked = 0; |
|
||||||
gpr_tls_set(&g_current_thread_poller, 0); |
|
||||||
} else { |
|
||||||
GPR_TIMER_MARK("grpc_pollset_work.kicked_without_pollers", 0); |
|
||||||
pollset->kicked_without_pollers = 0; |
|
||||||
} |
|
||||||
/* Finished execution - start cleaning up.
|
|
||||||
Note that we may arrive here from outside the enclosing while() loop. |
|
||||||
In that case we won't loop though as we haven't added worker to the |
|
||||||
worker list, which means nobody could ask us to re-evaluate polling). */ |
|
||||||
done: |
|
||||||
if (!locked) { |
|
||||||
queued_work |= grpc_exec_ctx_flush(exec_ctx); |
|
||||||
gpr_mu_lock(&pollset->mu); |
|
||||||
locked = 1; |
|
||||||
} |
|
||||||
/* If we're forced to re-evaluate polling (via grpc_pollset_kick with
|
|
||||||
GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) then we land here and force |
|
||||||
a loop */ |
|
||||||
if (worker.reevaluate_polling_on_wakeup) { |
|
||||||
worker.reevaluate_polling_on_wakeup = 0; |
|
||||||
pollset->kicked_without_pollers = 0; |
|
||||||
if (queued_work || worker.kicked_specifically) { |
|
||||||
/* If there's queued work on the list, then set the deadline to be
|
|
||||||
immediate so we get back out of the polling loop quickly */ |
|
||||||
deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC); |
|
||||||
} |
|
||||||
keep_polling = 1; |
|
||||||
} |
|
||||||
} |
|
||||||
if (added_worker) { |
|
||||||
remove_worker(pollset, &worker); |
|
||||||
gpr_tls_set(&g_current_thread_worker, 0); |
|
||||||
} |
|
||||||
/* release wakeup fd to the local pool */ |
|
||||||
worker.wakeup_fd->next = pollset->local_wakeup_cache; |
|
||||||
pollset->local_wakeup_cache = worker.wakeup_fd; |
|
||||||
/* check shutdown conditions */ |
|
||||||
if (pollset->shutting_down) { |
|
||||||
if (grpc_pollset_has_workers(pollset)) { |
|
||||||
grpc_pollset_kick(pollset, NULL); |
|
||||||
} else if (!pollset->called_shutdown && pollset->in_flight_cbs == 0) { |
|
||||||
pollset->called_shutdown = 1; |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
finish_shutdown(exec_ctx, pollset); |
|
||||||
grpc_exec_ctx_flush(exec_ctx); |
|
||||||
/* Continuing to access pollset here is safe -- it is the caller's
|
|
||||||
* responsibility to not destroy when it has outstanding calls to |
|
||||||
* grpc_pollset_work. |
|
||||||
* TODO(dklempner): Can we refactor the shutdown logic to avoid this? */ |
|
||||||
gpr_mu_lock(&pollset->mu); |
|
||||||
} else if (!grpc_closure_list_empty(pollset->idle_jobs)) { |
|
||||||
grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL); |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
grpc_exec_ctx_flush(exec_ctx); |
|
||||||
gpr_mu_lock(&pollset->mu); |
|
||||||
} |
|
||||||
} |
|
||||||
*worker_hdl = NULL; |
|
||||||
GPR_TIMER_END("grpc_pollset_work", 0); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
grpc_closure *closure) { |
|
||||||
GPR_ASSERT(!pollset->shutting_down); |
|
||||||
pollset->shutting_down = 1; |
|
||||||
pollset->shutdown_done = closure; |
|
||||||
grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST); |
|
||||||
if (!grpc_pollset_has_workers(pollset)) { |
|
||||||
grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL); |
|
||||||
} |
|
||||||
if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 && |
|
||||||
!grpc_pollset_has_workers(pollset)) { |
|
||||||
pollset->called_shutdown = 1; |
|
||||||
finish_shutdown(exec_ctx, pollset); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline, |
|
||||||
gpr_timespec now) { |
|
||||||
gpr_timespec timeout; |
|
||||||
static const int64_t max_spin_polling_us = 10; |
|
||||||
if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) { |
|
||||||
return -1; |
|
||||||
} |
|
||||||
if (gpr_time_cmp(deadline, gpr_time_add(now, gpr_time_from_micros( |
|
||||||
max_spin_polling_us, |
|
||||||
GPR_TIMESPAN))) <= 0) { |
|
||||||
return 0; |
|
||||||
} |
|
||||||
timeout = gpr_time_sub(deadline, now); |
|
||||||
return gpr_time_to_millis(gpr_time_add( |
|
||||||
timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN))); |
|
||||||
} |
|
||||||
|
|
||||||
/*
|
|
||||||
* basic_pollset - a vtable that provides polling for zero or one file |
|
||||||
* descriptor via poll() |
|
||||||
*/ |
|
||||||
|
|
||||||
typedef struct grpc_unary_promote_args { |
|
||||||
const grpc_pollset_vtable *original_vtable; |
|
||||||
grpc_pollset *pollset; |
|
||||||
grpc_fd *fd; |
|
||||||
grpc_closure promotion_closure; |
|
||||||
} grpc_unary_promote_args; |
|
||||||
|
|
||||||
static void basic_do_promote(grpc_exec_ctx *exec_ctx, void *args, |
|
||||||
bool success) { |
|
||||||
grpc_unary_promote_args *up_args = args; |
|
||||||
const grpc_pollset_vtable *original_vtable = up_args->original_vtable; |
|
||||||
grpc_pollset *pollset = up_args->pollset; |
|
||||||
grpc_fd *fd = up_args->fd; |
|
||||||
|
|
||||||
/*
|
|
||||||
* This is quite tricky. There are a number of cases to keep in mind here: |
|
||||||
* 1. fd may have been orphaned |
|
||||||
* 2. The pollset may no longer be a unary poller (and we can't let case #1 |
|
||||||
* leak to other pollset types!) |
|
||||||
* 3. pollset's fd (which may have changed) may have been orphaned |
|
||||||
* 4. The pollset may be shutting down. |
|
||||||
*/ |
|
||||||
|
|
||||||
gpr_mu_lock(&pollset->mu); |
|
||||||
/* First we need to ensure that nobody is polling concurrently */ |
|
||||||
GPR_ASSERT(!grpc_pollset_has_workers(pollset)); |
|
||||||
|
|
||||||
gpr_free(up_args); |
|
||||||
/* At this point the pollset may no longer be a unary poller. In that case
|
|
||||||
* we should just call the right add function and be done. */ |
|
||||||
/* TODO(klempner): If we're not careful this could cause infinite recursion.
|
|
||||||
* That's not a problem for now because empty_pollset has a trivial poller |
|
||||||
* and we don't have any mechanism to unbecome multipoller. */ |
|
||||||
pollset->in_flight_cbs--; |
|
||||||
if (pollset->shutting_down) { |
|
||||||
/* We don't care about this pollset anymore. */ |
|
||||||
if (pollset->in_flight_cbs == 0 && !pollset->called_shutdown) { |
|
||||||
pollset->called_shutdown = 1; |
|
||||||
finish_shutdown(exec_ctx, pollset); |
|
||||||
} |
|
||||||
} else if (grpc_fd_is_orphaned(fd)) { |
|
||||||
/* Don't try to add it to anything, we'll drop our ref on it below */ |
|
||||||
} else if (pollset->vtable != original_vtable) { |
|
||||||
pollset->vtable->add_fd(exec_ctx, pollset, fd, 0); |
|
||||||
} else if (fd != pollset->data.ptr) { |
|
||||||
grpc_fd *fds[2]; |
|
||||||
fds[0] = pollset->data.ptr; |
|
||||||
fds[1] = fd; |
|
||||||
|
|
||||||
if (fds[0] && !grpc_fd_is_orphaned(fds[0])) { |
|
||||||
grpc_platform_become_multipoller(exec_ctx, pollset, fds, |
|
||||||
GPR_ARRAY_SIZE(fds)); |
|
||||||
GRPC_FD_UNREF(fds[0], "basicpoll"); |
|
||||||
} else { |
|
||||||
/* old fd is orphaned and we haven't cleaned it up until now, so remain a
|
|
||||||
* unary poller */ |
|
||||||
/* Note that it is possible that fds[1] is also orphaned at this point.
|
|
||||||
* That's okay, we'll correct it at the next add or poll. */ |
|
||||||
if (fds[0]) GRPC_FD_UNREF(fds[0], "basicpoll"); |
|
||||||
pollset->data.ptr = fd; |
|
||||||
GRPC_FD_REF(fd, "basicpoll"); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
|
|
||||||
/* Matching ref in basic_pollset_add_fd */ |
|
||||||
GRPC_FD_UNREF(fd, "basicpoll_add"); |
|
||||||
} |
|
||||||
|
|
||||||
static void basic_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
grpc_fd *fd, int and_unlock_pollset) { |
|
||||||
grpc_unary_promote_args *up_args; |
|
||||||
GPR_ASSERT(fd); |
|
||||||
if (fd == pollset->data.ptr) goto exit; |
|
||||||
|
|
||||||
if (!grpc_pollset_has_workers(pollset)) { |
|
||||||
/* Fast path -- no in flight cbs */ |
|
||||||
/* TODO(klempner): Comment this out and fix any test failures or establish
|
|
||||||
* they are due to timing issues */ |
|
||||||
grpc_fd *fds[2]; |
|
||||||
fds[0] = pollset->data.ptr; |
|
||||||
fds[1] = fd; |
|
||||||
|
|
||||||
if (fds[0] == NULL) { |
|
||||||
pollset->data.ptr = fd; |
|
||||||
GRPC_FD_REF(fd, "basicpoll"); |
|
||||||
} else if (!grpc_fd_is_orphaned(fds[0])) { |
|
||||||
grpc_platform_become_multipoller(exec_ctx, pollset, fds, |
|
||||||
GPR_ARRAY_SIZE(fds)); |
|
||||||
GRPC_FD_UNREF(fds[0], "basicpoll"); |
|
||||||
} else { |
|
||||||
/* old fd is orphaned and we haven't cleaned it up until now, so remain a
|
|
||||||
* unary poller */ |
|
||||||
GRPC_FD_UNREF(fds[0], "basicpoll"); |
|
||||||
pollset->data.ptr = fd; |
|
||||||
GRPC_FD_REF(fd, "basicpoll"); |
|
||||||
} |
|
||||||
goto exit; |
|
||||||
} |
|
||||||
|
|
||||||
/* Now we need to promote. This needs to happen when we're not polling. Since
|
|
||||||
* this may be called from poll, the wait needs to happen asynchronously. */ |
|
||||||
GRPC_FD_REF(fd, "basicpoll_add"); |
|
||||||
pollset->in_flight_cbs++; |
|
||||||
up_args = gpr_malloc(sizeof(*up_args)); |
|
||||||
up_args->fd = fd; |
|
||||||
up_args->original_vtable = pollset->vtable; |
|
||||||
up_args->pollset = pollset; |
|
||||||
up_args->promotion_closure.cb = basic_do_promote; |
|
||||||
up_args->promotion_closure.cb_arg = up_args; |
|
||||||
|
|
||||||
grpc_closure_list_add(&pollset->idle_jobs, &up_args->promotion_closure, 1); |
|
||||||
grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST); |
|
||||||
|
|
||||||
exit: |
|
||||||
if (and_unlock_pollset) { |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void basic_pollset_maybe_work_and_unlock(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, |
|
||||||
grpc_pollset_worker *worker, |
|
||||||
gpr_timespec deadline, |
|
||||||
gpr_timespec now) { |
|
||||||
#define POLLOUT_CHECK (POLLOUT | POLLHUP | POLLERR) |
|
||||||
#define POLLIN_CHECK (POLLIN | POLLHUP | POLLERR) |
|
||||||
|
|
||||||
struct pollfd pfd[3]; |
|
||||||
grpc_fd *fd; |
|
||||||
grpc_fd_watcher fd_watcher; |
|
||||||
int timeout; |
|
||||||
int r; |
|
||||||
nfds_t nfds; |
|
||||||
|
|
||||||
fd = pollset->data.ptr; |
|
||||||
if (fd && grpc_fd_is_orphaned(fd)) { |
|
||||||
GRPC_FD_UNREF(fd, "basicpoll"); |
|
||||||
fd = pollset->data.ptr = NULL; |
|
||||||
} |
|
||||||
timeout = grpc_poll_deadline_to_millis_timeout(deadline, now); |
|
||||||
pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd); |
|
||||||
pfd[0].events = POLLIN; |
|
||||||
pfd[0].revents = 0; |
|
||||||
pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd); |
|
||||||
pfd[1].events = POLLIN; |
|
||||||
pfd[1].revents = 0; |
|
||||||
nfds = 2; |
|
||||||
if (fd) { |
|
||||||
pfd[2].fd = fd->fd; |
|
||||||
pfd[2].revents = 0; |
|
||||||
GRPC_FD_REF(fd, "basicpoll_begin"); |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
pfd[2].events = (short)grpc_fd_begin_poll(fd, pollset, worker, POLLIN, |
|
||||||
POLLOUT, &fd_watcher); |
|
||||||
if (pfd[2].events != 0) { |
|
||||||
nfds++; |
|
||||||
} |
|
||||||
} else { |
|
||||||
gpr_mu_unlock(&pollset->mu); |
|
||||||
} |
|
||||||
|
|
||||||
/* TODO(vpai): Consider first doing a 0 timeout poll here to avoid
|
|
||||||
even going into the blocking annotation if possible */ |
|
||||||
/* poll fd count (argument 2) is shortened by one if we have no events
|
|
||||||
to poll on - such that it only includes the kicker */ |
|
||||||
GPR_TIMER_BEGIN("poll", 0); |
|
||||||
GRPC_SCHEDULING_START_BLOCKING_REGION; |
|
||||||
r = grpc_poll_function(pfd, nfds, timeout); |
|
||||||
GRPC_SCHEDULING_END_BLOCKING_REGION; |
|
||||||
GPR_TIMER_END("poll", 0); |
|
||||||
|
|
||||||
if (r < 0) { |
|
||||||
if (errno != EINTR) { |
|
||||||
gpr_log(GPR_ERROR, "poll() failed: %s", strerror(errno)); |
|
||||||
} |
|
||||||
if (fd) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0); |
|
||||||
} |
|
||||||
} else if (r == 0) { |
|
||||||
if (fd) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0); |
|
||||||
} |
|
||||||
} else { |
|
||||||
if (pfd[0].revents & POLLIN_CHECK) { |
|
||||||
grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd); |
|
||||||
} |
|
||||||
if (pfd[1].revents & POLLIN_CHECK) { |
|
||||||
grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd); |
|
||||||
} |
|
||||||
if (nfds > 2) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK, |
|
||||||
pfd[2].revents & POLLOUT_CHECK); |
|
||||||
} else if (fd) { |
|
||||||
grpc_fd_end_poll(exec_ctx, &fd_watcher, 0, 0); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
if (fd) { |
|
||||||
GRPC_FD_UNREF(fd, "basicpoll_begin"); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static void basic_pollset_destroy(grpc_pollset *pollset) { |
|
||||||
if (pollset->data.ptr != NULL) { |
|
||||||
GRPC_FD_UNREF(pollset->data.ptr, "basicpoll"); |
|
||||||
pollset->data.ptr = NULL; |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
static const grpc_pollset_vtable basic_pollset = { |
|
||||||
basic_pollset_add_fd, basic_pollset_maybe_work_and_unlock, |
|
||||||
basic_pollset_destroy, basic_pollset_destroy}; |
|
||||||
|
|
||||||
static void become_basic_pollset(grpc_pollset *pollset, grpc_fd *fd_or_null) { |
|
||||||
pollset->vtable = &basic_pollset; |
|
||||||
pollset->data.ptr = fd_or_null; |
|
||||||
if (fd_or_null != NULL) { |
|
||||||
GRPC_FD_REF(fd_or_null, "basicpoll"); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
#endif /* GPR_POSIX_POLLSET */ |
|
||||||
@ -1,153 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#ifndef GRPC_CORE_LIB_IOMGR_POLLSET_POSIX_H |
|
||||||
#define GRPC_CORE_LIB_IOMGR_POLLSET_POSIX_H |
|
||||||
|
|
||||||
#include <poll.h> |
|
||||||
|
|
||||||
#include <grpc/support/sync.h> |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/exec_ctx.h" |
|
||||||
#include "src/core/lib/iomgr/iomgr.h" |
|
||||||
#include "src/core/lib/iomgr/pollset.h" |
|
||||||
#include "src/core/lib/iomgr/wakeup_fd_posix.h" |
|
||||||
|
|
||||||
typedef struct grpc_pollset_vtable grpc_pollset_vtable; |
|
||||||
|
|
||||||
/* forward declare only in this file to avoid leaking impl details via
|
|
||||||
pollset.h; real users of grpc_fd should always include 'fd_posix.h' and not |
|
||||||
use the struct tag */ |
|
||||||
struct grpc_fd; |
|
||||||
|
|
||||||
typedef struct grpc_cached_wakeup_fd { |
|
||||||
grpc_wakeup_fd fd; |
|
||||||
struct grpc_cached_wakeup_fd *next; |
|
||||||
} grpc_cached_wakeup_fd; |
|
||||||
|
|
||||||
struct grpc_pollset_worker { |
|
||||||
grpc_cached_wakeup_fd *wakeup_fd; |
|
||||||
int reevaluate_polling_on_wakeup; |
|
||||||
int kicked_specifically; |
|
||||||
struct grpc_pollset_worker *next; |
|
||||||
struct grpc_pollset_worker *prev; |
|
||||||
}; |
|
||||||
|
|
||||||
struct grpc_pollset { |
|
||||||
/* pollsets under posix can mutate representation as fds are added and
|
|
||||||
removed. |
|
||||||
For example, we may choose a poll() based implementation on linux for |
|
||||||
few fds, and an epoll() based implementation for many fds */ |
|
||||||
const grpc_pollset_vtable *vtable; |
|
||||||
gpr_mu mu; |
|
||||||
grpc_pollset_worker root_worker; |
|
||||||
int in_flight_cbs; |
|
||||||
int shutting_down; |
|
||||||
int called_shutdown; |
|
||||||
int kicked_without_pollers; |
|
||||||
grpc_closure *shutdown_done; |
|
||||||
grpc_closure_list idle_jobs; |
|
||||||
union { |
|
||||||
int fd; |
|
||||||
void *ptr; |
|
||||||
} data; |
|
||||||
/* Local cache of eventfds for workers */ |
|
||||||
grpc_cached_wakeup_fd *local_wakeup_cache; |
|
||||||
}; |
|
||||||
|
|
||||||
struct grpc_pollset_vtable { |
|
||||||
void (*add_fd)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
struct grpc_fd *fd, int and_unlock_pollset); |
|
||||||
void (*maybe_work_and_unlock)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
grpc_pollset_worker *worker, |
|
||||||
gpr_timespec deadline, gpr_timespec now); |
|
||||||
void (*finish_shutdown)(grpc_pollset *pollset); |
|
||||||
void (*destroy)(grpc_pollset *pollset); |
|
||||||
}; |
|
||||||
|
|
||||||
/* Add an fd to a pollset */ |
|
||||||
void grpc_pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, |
|
||||||
struct grpc_fd *fd); |
|
||||||
|
|
||||||
/* Returns the fd to listen on for kicks */ |
|
||||||
int grpc_kick_read_fd(grpc_pollset *p); |
|
||||||
/* Call after polling has been kicked to leave the kicked state */ |
|
||||||
void grpc_kick_drain(grpc_pollset *p); |
|
||||||
|
|
||||||
/* Convert a timespec to milliseconds:
|
|
||||||
- very small or negative poll times are clamped to zero to do a |
|
||||||
non-blocking poll (which becomes spin polling) |
|
||||||
- other small values are rounded up to one millisecond |
|
||||||
- longer than a millisecond polls are rounded up to the next nearest |
|
||||||
millisecond to avoid spinning |
|
||||||
- infinite timeouts are converted to -1 */ |
|
||||||
int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline, |
|
||||||
gpr_timespec now); |
|
||||||
|
|
||||||
/* Allow kick to wakeup the currently polling worker */ |
|
||||||
#define GRPC_POLLSET_CAN_KICK_SELF 1 |
|
||||||
/* Force the wakee to repoll when awoken */ |
|
||||||
#define GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP 2 |
|
||||||
/* As per grpc_pollset_kick, with an extended set of flags (defined above)
|
|
||||||
-- mostly for fd_posix's use. */ |
|
||||||
void grpc_pollset_kick_ext(grpc_pollset *p, |
|
||||||
grpc_pollset_worker *specific_worker, |
|
||||||
uint32_t flags); |
|
||||||
|
|
||||||
/* turn a pollset into a multipoller: platform specific */ |
|
||||||
typedef void (*grpc_platform_become_multipoller_type)(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, |
|
||||||
struct grpc_fd **fds, |
|
||||||
size_t fd_count); |
|
||||||
extern grpc_platform_become_multipoller_type grpc_platform_become_multipoller; |
|
||||||
|
|
||||||
void grpc_poll_become_multipoller(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset *pollset, struct grpc_fd **fds, |
|
||||||
size_t fd_count); |
|
||||||
|
|
||||||
/* Return 1 if the pollset has active threads in grpc_pollset_work (pollset must
|
|
||||||
* be locked) */ |
|
||||||
int grpc_pollset_has_workers(grpc_pollset *pollset); |
|
||||||
|
|
||||||
void grpc_remove_fd_from_all_epoll_sets(int fd); |
|
||||||
|
|
||||||
/* override to allow tests to hook poll() usage */ |
|
||||||
/* NOTE: Any changes to grpc_poll_function must take place when the gRPC
|
|
||||||
is certainly not doing any polling anywhere. |
|
||||||
Otherwise, there might be a race between changing the variable and actually |
|
||||||
doing a polling operation */ |
|
||||||
typedef int (*grpc_poll_function_type)(struct pollfd *, nfds_t, int); |
|
||||||
extern grpc_poll_function_type grpc_poll_function; |
|
||||||
extern grpc_wakeup_fd grpc_global_wakeup_fd; |
|
||||||
|
|
||||||
#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_POSIX_H */ |
|
||||||
@ -1,202 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include <grpc/support/port_platform.h> |
|
||||||
|
|
||||||
#ifdef GPR_POSIX_SOCKET |
|
||||||
|
|
||||||
#include <stdlib.h> |
|
||||||
#include <string.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
|
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_set_posix.h" |
|
||||||
|
|
||||||
struct grpc_pollset_set { |
|
||||||
gpr_mu mu; |
|
||||||
|
|
||||||
size_t pollset_count; |
|
||||||
size_t pollset_capacity; |
|
||||||
grpc_pollset **pollsets; |
|
||||||
|
|
||||||
size_t pollset_set_count; |
|
||||||
size_t pollset_set_capacity; |
|
||||||
struct grpc_pollset_set **pollset_sets; |
|
||||||
|
|
||||||
size_t fd_count; |
|
||||||
size_t fd_capacity; |
|
||||||
grpc_fd **fds; |
|
||||||
}; |
|
||||||
|
|
||||||
grpc_pollset_set *grpc_pollset_set_create(void) { |
|
||||||
grpc_pollset_set *pollset_set = gpr_malloc(sizeof(*pollset_set)); |
|
||||||
memset(pollset_set, 0, sizeof(*pollset_set)); |
|
||||||
gpr_mu_init(&pollset_set->mu); |
|
||||||
return pollset_set; |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_destroy(grpc_pollset_set *pollset_set) { |
|
||||||
size_t i; |
|
||||||
gpr_mu_destroy(&pollset_set->mu); |
|
||||||
for (i = 0; i < pollset_set->fd_count; i++) { |
|
||||||
GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set"); |
|
||||||
} |
|
||||||
gpr_free(pollset_set->pollsets); |
|
||||||
gpr_free(pollset_set->pollset_sets); |
|
||||||
gpr_free(pollset_set->fds); |
|
||||||
gpr_free(pollset_set); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_add_pollset(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset_set *pollset_set, |
|
||||||
grpc_pollset *pollset) { |
|
||||||
size_t i, j; |
|
||||||
gpr_mu_lock(&pollset_set->mu); |
|
||||||
if (pollset_set->pollset_count == pollset_set->pollset_capacity) { |
|
||||||
pollset_set->pollset_capacity = |
|
||||||
GPR_MAX(8, 2 * pollset_set->pollset_capacity); |
|
||||||
pollset_set->pollsets = |
|
||||||
gpr_realloc(pollset_set->pollsets, pollset_set->pollset_capacity * |
|
||||||
sizeof(*pollset_set->pollsets)); |
|
||||||
} |
|
||||||
pollset_set->pollsets[pollset_set->pollset_count++] = pollset; |
|
||||||
for (i = 0, j = 0; i < pollset_set->fd_count; i++) { |
|
||||||
if (grpc_fd_is_orphaned(pollset_set->fds[i])) { |
|
||||||
GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set"); |
|
||||||
} else { |
|
||||||
grpc_pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]); |
|
||||||
pollset_set->fds[j++] = pollset_set->fds[i]; |
|
||||||
} |
|
||||||
} |
|
||||||
pollset_set->fd_count = j; |
|
||||||
gpr_mu_unlock(&pollset_set->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_del_pollset(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset_set *pollset_set, |
|
||||||
grpc_pollset *pollset) { |
|
||||||
size_t i; |
|
||||||
gpr_mu_lock(&pollset_set->mu); |
|
||||||
for (i = 0; i < pollset_set->pollset_count; i++) { |
|
||||||
if (pollset_set->pollsets[i] == pollset) { |
|
||||||
pollset_set->pollset_count--; |
|
||||||
GPR_SWAP(grpc_pollset *, pollset_set->pollsets[i], |
|
||||||
pollset_set->pollsets[pollset_set->pollset_count]); |
|
||||||
break; |
|
||||||
} |
|
||||||
} |
|
||||||
gpr_mu_unlock(&pollset_set->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset_set *bag, |
|
||||||
grpc_pollset_set *item) { |
|
||||||
size_t i, j; |
|
||||||
gpr_mu_lock(&bag->mu); |
|
||||||
if (bag->pollset_set_count == bag->pollset_set_capacity) { |
|
||||||
bag->pollset_set_capacity = GPR_MAX(8, 2 * bag->pollset_set_capacity); |
|
||||||
bag->pollset_sets = |
|
||||||
gpr_realloc(bag->pollset_sets, |
|
||||||
bag->pollset_set_capacity * sizeof(*bag->pollset_sets)); |
|
||||||
} |
|
||||||
bag->pollset_sets[bag->pollset_set_count++] = item; |
|
||||||
for (i = 0, j = 0; i < bag->fd_count; i++) { |
|
||||||
if (grpc_fd_is_orphaned(bag->fds[i])) { |
|
||||||
GRPC_FD_UNREF(bag->fds[i], "pollset_set"); |
|
||||||
} else { |
|
||||||
grpc_pollset_set_add_fd(exec_ctx, item, bag->fds[i]); |
|
||||||
bag->fds[j++] = bag->fds[i]; |
|
||||||
} |
|
||||||
} |
|
||||||
bag->fd_count = j; |
|
||||||
gpr_mu_unlock(&bag->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset_set *bag, |
|
||||||
grpc_pollset_set *item) { |
|
||||||
size_t i; |
|
||||||
gpr_mu_lock(&bag->mu); |
|
||||||
for (i = 0; i < bag->pollset_set_count; i++) { |
|
||||||
if (bag->pollset_sets[i] == item) { |
|
||||||
bag->pollset_set_count--; |
|
||||||
GPR_SWAP(grpc_pollset_set *, bag->pollset_sets[i], |
|
||||||
bag->pollset_sets[bag->pollset_set_count]); |
|
||||||
break; |
|
||||||
} |
|
||||||
} |
|
||||||
gpr_mu_unlock(&bag->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_add_fd(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset_set *pollset_set, grpc_fd *fd) { |
|
||||||
size_t i; |
|
||||||
gpr_mu_lock(&pollset_set->mu); |
|
||||||
if (pollset_set->fd_count == pollset_set->fd_capacity) { |
|
||||||
pollset_set->fd_capacity = GPR_MAX(8, 2 * pollset_set->fd_capacity); |
|
||||||
pollset_set->fds = gpr_realloc( |
|
||||||
pollset_set->fds, pollset_set->fd_capacity * sizeof(*pollset_set->fds)); |
|
||||||
} |
|
||||||
GRPC_FD_REF(fd, "pollset_set"); |
|
||||||
pollset_set->fds[pollset_set->fd_count++] = fd; |
|
||||||
for (i = 0; i < pollset_set->pollset_count; i++) { |
|
||||||
grpc_pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd); |
|
||||||
} |
|
||||||
for (i = 0; i < pollset_set->pollset_set_count; i++) { |
|
||||||
grpc_pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd); |
|
||||||
} |
|
||||||
gpr_mu_unlock(&pollset_set->mu); |
|
||||||
} |
|
||||||
|
|
||||||
void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx, |
|
||||||
grpc_pollset_set *pollset_set, grpc_fd *fd) { |
|
||||||
size_t i; |
|
||||||
gpr_mu_lock(&pollset_set->mu); |
|
||||||
for (i = 0; i < pollset_set->fd_count; i++) { |
|
||||||
if (pollset_set->fds[i] == fd) { |
|
||||||
pollset_set->fd_count--; |
|
||||||
GPR_SWAP(grpc_fd *, pollset_set->fds[i], |
|
||||||
pollset_set->fds[pollset_set->fd_count]); |
|
||||||
GRPC_FD_UNREF(fd, "pollset_set"); |
|
||||||
break; |
|
||||||
} |
|
||||||
} |
|
||||||
for (i = 0; i < pollset_set->pollset_set_count; i++) { |
|
||||||
grpc_pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd); |
|
||||||
} |
|
||||||
gpr_mu_unlock(&pollset_set->mu); |
|
||||||
} |
|
||||||
|
|
||||||
#endif /* GPR_POSIX_SOCKET */ |
|
||||||
@ -1,122 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include "test/core/end2end/end2end_tests.h" |
|
||||||
|
|
||||||
#include <string.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/host_port.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/sync.h> |
|
||||||
#include <grpc/support/thd.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
|
|
||||||
#include "src/core/ext/client_config/client_channel.h" |
|
||||||
#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" |
|
||||||
#include "src/core/lib/channel/connected_channel.h" |
|
||||||
#include "src/core/lib/channel/http_server_filter.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/iomgr/wakeup_fd_posix.h" |
|
||||||
#include "src/core/lib/surface/channel.h" |
|
||||||
#include "src/core/lib/surface/server.h" |
|
||||||
#include "test/core/util/port.h" |
|
||||||
#include "test/core/util/test_config.h" |
|
||||||
|
|
||||||
typedef struct fullstack_fixture_data { |
|
||||||
char *localaddr; |
|
||||||
} fullstack_fixture_data; |
|
||||||
|
|
||||||
static grpc_end2end_test_fixture chttp2_create_fixture_fullstack( |
|
||||||
grpc_channel_args *client_args, grpc_channel_args *server_args) { |
|
||||||
grpc_end2end_test_fixture f; |
|
||||||
int port = grpc_pick_unused_port_or_die(); |
|
||||||
fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data)); |
|
||||||
memset(&f, 0, sizeof(f)); |
|
||||||
|
|
||||||
gpr_join_host_port(&ffd->localaddr, "localhost", port); |
|
||||||
|
|
||||||
f.fixture_data = ffd; |
|
||||||
f.cq = grpc_completion_queue_create(NULL); |
|
||||||
|
|
||||||
return f; |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f, |
|
||||||
grpc_channel_args *client_args) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f, |
|
||||||
grpc_channel_args *server_args) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
if (f->server) { |
|
||||||
grpc_server_destroy(f->server); |
|
||||||
} |
|
||||||
f->server = grpc_server_create(server_args, NULL); |
|
||||||
grpc_server_register_completion_queue(f->server, f->cq, NULL); |
|
||||||
GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr)); |
|
||||||
grpc_server_start(f->server); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
gpr_free(ffd->localaddr); |
|
||||||
gpr_free(ffd); |
|
||||||
} |
|
||||||
|
|
||||||
/* All test configurations */ |
|
||||||
static grpc_end2end_test_config configs[] = { |
|
||||||
{"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION, |
|
||||||
chttp2_create_fixture_fullstack, chttp2_init_client_fullstack, |
|
||||||
chttp2_init_server_fullstack, chttp2_tear_down_fullstack}, |
|
||||||
}; |
|
||||||
|
|
||||||
int main(int argc, char **argv) { |
|
||||||
size_t i; |
|
||||||
|
|
||||||
grpc_allow_specialized_wakeup_fd = 0; |
|
||||||
grpc_platform_become_multipoller = grpc_poll_become_multipoller; |
|
||||||
|
|
||||||
grpc_test_init(argc, argv); |
|
||||||
grpc_init(); |
|
||||||
|
|
||||||
for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) { |
|
||||||
grpc_end2end_tests(argc, argv, configs[i]); |
|
||||||
} |
|
||||||
|
|
||||||
grpc_shutdown(); |
|
||||||
|
|
||||||
return 0; |
|
||||||
} |
|
||||||
@ -1,120 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include "test/core/end2end/end2end_tests.h" |
|
||||||
|
|
||||||
#include <string.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/host_port.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/sync.h> |
|
||||||
#include <grpc/support/thd.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
|
|
||||||
#include "src/core/ext/client_config/client_channel.h" |
|
||||||
#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" |
|
||||||
#include "src/core/lib/channel/connected_channel.h" |
|
||||||
#include "src/core/lib/channel/http_server_filter.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/surface/channel.h" |
|
||||||
#include "src/core/lib/surface/server.h" |
|
||||||
#include "test/core/util/port.h" |
|
||||||
#include "test/core/util/test_config.h" |
|
||||||
|
|
||||||
typedef struct fullstack_fixture_data { |
|
||||||
char *localaddr; |
|
||||||
} fullstack_fixture_data; |
|
||||||
|
|
||||||
static grpc_end2end_test_fixture chttp2_create_fixture_fullstack( |
|
||||||
grpc_channel_args *client_args, grpc_channel_args *server_args) { |
|
||||||
grpc_end2end_test_fixture f; |
|
||||||
int port = grpc_pick_unused_port_or_die(); |
|
||||||
fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data)); |
|
||||||
memset(&f, 0, sizeof(f)); |
|
||||||
|
|
||||||
gpr_join_host_port(&ffd->localaddr, "localhost", port); |
|
||||||
|
|
||||||
f.fixture_data = ffd; |
|
||||||
f.cq = grpc_completion_queue_create(NULL); |
|
||||||
|
|
||||||
return f; |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f, |
|
||||||
grpc_channel_args *client_args) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f, |
|
||||||
grpc_channel_args *server_args) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
if (f->server) { |
|
||||||
grpc_server_destroy(f->server); |
|
||||||
} |
|
||||||
f->server = grpc_server_create(server_args, NULL); |
|
||||||
grpc_server_register_completion_queue(f->server, f->cq, NULL); |
|
||||||
GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr)); |
|
||||||
grpc_server_start(f->server); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
gpr_free(ffd->localaddr); |
|
||||||
gpr_free(ffd); |
|
||||||
} |
|
||||||
|
|
||||||
/* All test configurations */ |
|
||||||
static grpc_end2end_test_config configs[] = { |
|
||||||
{"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION, |
|
||||||
chttp2_create_fixture_fullstack, chttp2_init_client_fullstack, |
|
||||||
chttp2_init_server_fullstack, chttp2_tear_down_fullstack}, |
|
||||||
}; |
|
||||||
|
|
||||||
int main(int argc, char **argv) { |
|
||||||
size_t i; |
|
||||||
|
|
||||||
grpc_platform_become_multipoller = grpc_poll_become_multipoller; |
|
||||||
|
|
||||||
grpc_test_init(argc, argv); |
|
||||||
grpc_init(); |
|
||||||
|
|
||||||
for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) { |
|
||||||
grpc_end2end_tests(argc, argv, configs[i]); |
|
||||||
} |
|
||||||
|
|
||||||
grpc_shutdown(); |
|
||||||
|
|
||||||
return 0; |
|
||||||
} |
|
||||||
@ -1,194 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include "test/core/end2end/end2end_tests.h" |
|
||||||
|
|
||||||
#include <stdio.h> |
|
||||||
#include <string.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/host_port.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
|
|
||||||
#include "src/core/lib/channel/channel_args.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/security/credentials.h" |
|
||||||
#include "src/core/lib/support/env.h" |
|
||||||
#include "src/core/lib/support/string.h" |
|
||||||
#include "src/core/lib/support/tmpfile.h" |
|
||||||
#include "test/core/end2end/data/ssl_test_data.h" |
|
||||||
#include "test/core/util/port.h" |
|
||||||
#include "test/core/util/test_config.h" |
|
||||||
|
|
||||||
typedef struct fullstack_secure_fixture_data { |
|
||||||
char *localaddr; |
|
||||||
} fullstack_secure_fixture_data; |
|
||||||
|
|
||||||
static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack( |
|
||||||
grpc_channel_args *client_args, grpc_channel_args *server_args) { |
|
||||||
grpc_end2end_test_fixture f; |
|
||||||
int port = grpc_pick_unused_port_or_die(); |
|
||||||
fullstack_secure_fixture_data *ffd = |
|
||||||
gpr_malloc(sizeof(fullstack_secure_fixture_data)); |
|
||||||
memset(&f, 0, sizeof(f)); |
|
||||||
|
|
||||||
gpr_join_host_port(&ffd->localaddr, "localhost", port); |
|
||||||
|
|
||||||
f.fixture_data = ffd; |
|
||||||
f.cq = grpc_completion_queue_create(NULL); |
|
||||||
|
|
||||||
return f; |
|
||||||
} |
|
||||||
|
|
||||||
static void process_auth_failure(void *state, grpc_auth_context *ctx, |
|
||||||
const grpc_metadata *md, size_t md_count, |
|
||||||
grpc_process_auth_metadata_done_cb cb, |
|
||||||
void *user_data) { |
|
||||||
GPR_ASSERT(state == NULL); |
|
||||||
cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
static void chttp2_init_client_secure_fullstack( |
|
||||||
grpc_end2end_test_fixture *f, grpc_channel_args *client_args, |
|
||||||
grpc_channel_credentials *creds) { |
|
||||||
fullstack_secure_fixture_data *ffd = f->fixture_data; |
|
||||||
f->client = |
|
||||||
grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL); |
|
||||||
GPR_ASSERT(f->client != NULL); |
|
||||||
grpc_channel_credentials_release(creds); |
|
||||||
} |
|
||||||
|
|
||||||
static void chttp2_init_server_secure_fullstack( |
|
||||||
grpc_end2end_test_fixture *f, grpc_channel_args *server_args, |
|
||||||
grpc_server_credentials *server_creds) { |
|
||||||
fullstack_secure_fixture_data *ffd = f->fixture_data; |
|
||||||
if (f->server) { |
|
||||||
grpc_server_destroy(f->server); |
|
||||||
} |
|
||||||
f->server = grpc_server_create(server_args, NULL); |
|
||||||
grpc_server_register_completion_queue(f->server, f->cq, NULL); |
|
||||||
GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr, |
|
||||||
server_creds)); |
|
||||||
grpc_server_credentials_release(server_creds); |
|
||||||
grpc_server_start(f->server); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) { |
|
||||||
fullstack_secure_fixture_data *ffd = f->fixture_data; |
|
||||||
gpr_free(ffd->localaddr); |
|
||||||
gpr_free(ffd); |
|
||||||
} |
|
||||||
|
|
||||||
static void chttp2_init_client_simple_ssl_secure_fullstack( |
|
||||||
grpc_end2end_test_fixture *f, grpc_channel_args *client_args) { |
|
||||||
grpc_channel_credentials *ssl_creds = |
|
||||||
grpc_ssl_credentials_create(NULL, NULL, NULL); |
|
||||||
grpc_arg ssl_name_override = {GRPC_ARG_STRING, |
|
||||||
GRPC_SSL_TARGET_NAME_OVERRIDE_ARG, |
|
||||||
{"foo.test.google.fr"}}; |
|
||||||
grpc_channel_args *new_client_args = |
|
||||||
grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1); |
|
||||||
chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds); |
|
||||||
grpc_channel_args_destroy(new_client_args); |
|
||||||
} |
|
||||||
|
|
||||||
static int fail_server_auth_check(grpc_channel_args *server_args) { |
|
||||||
size_t i; |
|
||||||
if (server_args == NULL) return 0; |
|
||||||
for (i = 0; i < server_args->num_args; i++) { |
|
||||||
if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) == |
|
||||||
0) { |
|
||||||
return 1; |
|
||||||
} |
|
||||||
} |
|
||||||
return 0; |
|
||||||
} |
|
||||||
|
|
||||||
static void chttp2_init_server_simple_ssl_secure_fullstack( |
|
||||||
grpc_end2end_test_fixture *f, grpc_channel_args *server_args) { |
|
||||||
grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key, |
|
||||||
test_server1_cert}; |
|
||||||
grpc_server_credentials *ssl_creds = |
|
||||||
grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL); |
|
||||||
if (fail_server_auth_check(server_args)) { |
|
||||||
grpc_auth_metadata_processor processor = {process_auth_failure, NULL, NULL}; |
|
||||||
grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor); |
|
||||||
} |
|
||||||
chttp2_init_server_secure_fullstack(f, server_args, ssl_creds); |
|
||||||
} |
|
||||||
|
|
||||||
/* All test configurations */ |
|
||||||
|
|
||||||
static grpc_end2end_test_config configs[] = { |
|
||||||
{"chttp2/simple_ssl_fullstack", |
|
||||||
FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION | |
|
||||||
FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS, |
|
||||||
chttp2_create_fixture_secure_fullstack, |
|
||||||
chttp2_init_client_simple_ssl_secure_fullstack, |
|
||||||
chttp2_init_server_simple_ssl_secure_fullstack, |
|
||||||
chttp2_tear_down_secure_fullstack}, |
|
||||||
}; |
|
||||||
|
|
||||||
int main(int argc, char **argv) { |
|
||||||
size_t i; |
|
||||||
FILE *roots_file; |
|
||||||
size_t roots_size = strlen(test_root_cert); |
|
||||||
char *roots_filename; |
|
||||||
|
|
||||||
grpc_platform_become_multipoller = grpc_poll_become_multipoller; |
|
||||||
|
|
||||||
grpc_test_init(argc, argv); |
|
||||||
|
|
||||||
/* Set the SSL roots env var. */ |
|
||||||
roots_file = gpr_tmpfile("chttp2_simple_ssl_with_poll_fullstack_test", |
|
||||||
&roots_filename); |
|
||||||
GPR_ASSERT(roots_filename != NULL); |
|
||||||
GPR_ASSERT(roots_file != NULL); |
|
||||||
GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size); |
|
||||||
fclose(roots_file); |
|
||||||
gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename); |
|
||||||
|
|
||||||
grpc_init(); |
|
||||||
|
|
||||||
for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) { |
|
||||||
grpc_end2end_tests(argc, argv, configs[i]); |
|
||||||
} |
|
||||||
|
|
||||||
grpc_shutdown(); |
|
||||||
|
|
||||||
/* Cleanup. */ |
|
||||||
remove(roots_filename); |
|
||||||
gpr_free(roots_filename); |
|
||||||
|
|
||||||
return 0; |
|
||||||
} |
|
||||||
@ -1,126 +0,0 @@ |
|||||||
/*
|
|
||||||
* |
|
||||||
* Copyright 2015, Google Inc. |
|
||||||
* All rights reserved. |
|
||||||
* |
|
||||||
* Redistribution and use in source and binary forms, with or without |
|
||||||
* modification, are permitted provided that the following conditions are |
|
||||||
* met: |
|
||||||
* |
|
||||||
* * Redistributions of source code must retain the above copyright |
|
||||||
* notice, this list of conditions and the following disclaimer. |
|
||||||
* * Redistributions in binary form must reproduce the above |
|
||||||
* copyright notice, this list of conditions and the following disclaimer |
|
||||||
* in the documentation and/or other materials provided with the |
|
||||||
* distribution. |
|
||||||
* * Neither the name of Google Inc. nor the names of its |
|
||||||
* contributors may be used to endorse or promote products derived from |
|
||||||
* this software without specific prior written permission. |
|
||||||
* |
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
||||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
||||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
||||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
||||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
||||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
||||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
||||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
||||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
||||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
||||||
* |
|
||||||
*/ |
|
||||||
|
|
||||||
#include "test/core/end2end/end2end_tests.h" |
|
||||||
|
|
||||||
#include <stdlib.h> |
|
||||||
#include <string.h> |
|
||||||
#include <unistd.h> |
|
||||||
|
|
||||||
#include <grpc/support/alloc.h> |
|
||||||
#include <grpc/support/host_port.h> |
|
||||||
#include <grpc/support/log.h> |
|
||||||
#include <grpc/support/string_util.h> |
|
||||||
#include <grpc/support/sync.h> |
|
||||||
#include <grpc/support/thd.h> |
|
||||||
#include <grpc/support/useful.h> |
|
||||||
|
|
||||||
#include "src/core/ext/client_config/client_channel.h" |
|
||||||
#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" |
|
||||||
#include "src/core/lib/channel/connected_channel.h" |
|
||||||
#include "src/core/lib/channel/http_server_filter.h" |
|
||||||
#include "src/core/lib/iomgr/pollset_posix.h" |
|
||||||
#include "src/core/lib/support/string.h" |
|
||||||
#include "src/core/lib/surface/channel.h" |
|
||||||
#include "src/core/lib/surface/server.h" |
|
||||||
#include "test/core/util/port.h" |
|
||||||
#include "test/core/util/test_config.h" |
|
||||||
|
|
||||||
typedef struct fullstack_fixture_data { |
|
||||||
char *localaddr; |
|
||||||
} fullstack_fixture_data; |
|
||||||
|
|
||||||
static int unique = 1; |
|
||||||
|
|
||||||
static grpc_end2end_test_fixture chttp2_create_fixture_fullstack( |
|
||||||
grpc_channel_args *client_args, grpc_channel_args *server_args) { |
|
||||||
grpc_end2end_test_fixture f; |
|
||||||
fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data)); |
|
||||||
memset(&f, 0, sizeof(f)); |
|
||||||
|
|
||||||
gpr_asprintf(&ffd->localaddr, "unix:/tmp/grpc_fullstack_test.%d.%d", getpid(), |
|
||||||
unique++); |
|
||||||
|
|
||||||
f.fixture_data = ffd; |
|
||||||
f.cq = grpc_completion_queue_create(NULL); |
|
||||||
|
|
||||||
return f; |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f, |
|
||||||
grpc_channel_args *client_args) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f, |
|
||||||
grpc_channel_args *server_args) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
if (f->server) { |
|
||||||
grpc_server_destroy(f->server); |
|
||||||
} |
|
||||||
f->server = grpc_server_create(server_args, NULL); |
|
||||||
grpc_server_register_completion_queue(f->server, f->cq, NULL); |
|
||||||
GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr)); |
|
||||||
grpc_server_start(f->server); |
|
||||||
} |
|
||||||
|
|
||||||
void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) { |
|
||||||
fullstack_fixture_data *ffd = f->fixture_data; |
|
||||||
gpr_free(ffd->localaddr); |
|
||||||
gpr_free(ffd); |
|
||||||
} |
|
||||||
|
|
||||||
/* All test configurations */ |
|
||||||
static grpc_end2end_test_config configs[] = { |
|
||||||
{"chttp2/fullstack_uds", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION, |
|
||||||
chttp2_create_fixture_fullstack, chttp2_init_client_fullstack, |
|
||||||
chttp2_init_server_fullstack, chttp2_tear_down_fullstack}, |
|
||||||
}; |
|
||||||
|
|
||||||
int main(int argc, char **argv) { |
|
||||||
size_t i; |
|
||||||
|
|
||||||
grpc_platform_become_multipoller = grpc_poll_become_multipoller; |
|
||||||
|
|
||||||
grpc_test_init(argc, argv); |
|
||||||
grpc_init(); |
|
||||||
|
|
||||||
for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) { |
|
||||||
grpc_end2end_tests(argc, argv, configs[i]); |
|
||||||
} |
|
||||||
|
|
||||||
grpc_shutdown(); |
|
||||||
|
|
||||||
return 0; |
|
||||||
} |
|
||||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue