mirror of https://github.com/grpc/grpc.git
Craig Tiller
10 years ago
commit
187994e0fd
28 changed files with 1788 additions and 31 deletions
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/*
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* |
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* Copyright 2014, 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_SUPPORT_LOG_WIN32_H__ |
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#define __GRPC_SUPPORT_LOG_WIN32_H__ |
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#include <windows.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Returns a string allocated with gpr_malloc that contains a UTF-8
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* formatted error message, corresponding to the error messageid. |
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* Use in conjunction with GetLastError() et al. |
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*/ |
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char *gpr_format_message(DWORD messageid); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* __GRPC_SUPPORT_LOG_H__ */ |
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@ -0,0 +1,200 @@ |
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/*
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* |
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* Copyright 2014, 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_WINSOCK_SOCKET |
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#include <winsock2.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/log_win32.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/thd.h> |
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#include "src/core/iomgr/alarm_internal.h" |
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#include "src/core/iomgr/iocp_windows.h" |
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#include "src/core/iomgr/iomgr_internal.h" |
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#include "src/core/iomgr/socket_windows.h" |
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static ULONG g_iocp_kick_token; |
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static OVERLAPPED g_iocp_custom_overlap; |
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static gpr_event g_shutdown_iocp; |
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static gpr_event g_iocp_done; |
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static HANDLE g_iocp; |
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static int do_iocp_work() { |
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BOOL success; |
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DWORD bytes = 0; |
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DWORD flags = 0; |
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ULONG_PTR completion_key; |
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LPOVERLAPPED overlapped; |
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gpr_timespec wait_time = gpr_inf_future; |
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grpc_winsocket *socket; |
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grpc_winsocket_callback_info *info; |
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void(*f)(void *, int) = NULL; |
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void *opaque = NULL; |
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success = GetQueuedCompletionStatus(g_iocp, &bytes, |
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&completion_key, &overlapped, |
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gpr_time_to_millis(wait_time)); |
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if (!success && !overlapped) { |
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/* The deadline got attained. */ |
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return 0; |
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} |
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GPR_ASSERT(completion_key && overlapped); |
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if (overlapped == &g_iocp_custom_overlap) { |
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if (completion_key == (ULONG_PTR) &g_iocp_kick_token) { |
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/* We were awoken from a kick. */ |
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gpr_log(GPR_DEBUG, "do_iocp_work - got a kick"); |
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return 1; |
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} |
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gpr_log(GPR_ERROR, "Unknown custom completion key."); |
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abort(); |
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} |
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socket = (grpc_winsocket*) completion_key; |
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if (overlapped == &socket->write_info.overlapped) { |
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gpr_log(GPR_DEBUG, "do_iocp_work - got write packet"); |
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info = &socket->write_info; |
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} else if (overlapped == &socket->read_info.overlapped) { |
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gpr_log(GPR_DEBUG, "do_iocp_work - got read packet"); |
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info = &socket->read_info; |
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} else { |
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gpr_log(GPR_ERROR, "Unknown IOCP operation"); |
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abort(); |
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} |
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success = WSAGetOverlappedResult(socket->socket, &info->overlapped, &bytes, |
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FALSE, &flags); |
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gpr_log(GPR_DEBUG, "bytes: %u, flags: %u - op %s", bytes, flags, |
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success ? "succeeded" : "failed"); |
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info->bytes_transfered = bytes; |
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info->wsa_error = success ? 0 : WSAGetLastError(); |
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GPR_ASSERT(overlapped == &info->overlapped); |
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gpr_mu_lock(&socket->state_mu); |
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GPR_ASSERT(!info->has_pending_iocp); |
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if (info->cb) { |
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f = info->cb; |
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opaque = info->opaque; |
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info->cb = NULL; |
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} else { |
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info->has_pending_iocp = 1; |
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} |
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gpr_mu_unlock(&socket->state_mu); |
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if (f) f(opaque, 1); |
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return 1; |
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} |
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static void iocp_loop(void *p) { |
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while (!gpr_event_get(&g_shutdown_iocp)) { |
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grpc_maybe_call_delayed_callbacks(NULL, 1); |
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do_iocp_work(); |
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} |
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gpr_event_set(&g_iocp_done, (void *)1); |
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} |
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void grpc_iocp_init(void) { |
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gpr_thd_id id; |
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g_iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, |
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(ULONG_PTR)NULL, 0); |
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GPR_ASSERT(g_iocp); |
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gpr_event_init(&g_iocp_done); |
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gpr_event_init(&g_shutdown_iocp); |
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gpr_thd_new(&id, iocp_loop, NULL, NULL); |
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} |
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void grpc_iocp_shutdown(void) { |
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BOOL success; |
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gpr_event_set(&g_shutdown_iocp, (void *)1); |
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success = PostQueuedCompletionStatus(g_iocp, 0, |
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(ULONG_PTR) &g_iocp_kick_token, |
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&g_iocp_custom_overlap); |
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GPR_ASSERT(success); |
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gpr_event_wait(&g_iocp_done, gpr_inf_future); |
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success = CloseHandle(g_iocp); |
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GPR_ASSERT(success); |
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} |
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void grpc_iocp_add_socket(grpc_winsocket *socket) { |
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HANDLE ret; |
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if (socket->added_to_iocp) return; |
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ret = CreateIoCompletionPort((HANDLE)socket->socket, |
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g_iocp, (gpr_uintptr) socket, 0); |
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if (!ret) { |
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char *utf8_message = gpr_format_message(WSAGetLastError()); |
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gpr_log(GPR_ERROR, "Unable to add socket to iocp: %s", utf8_message); |
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gpr_free(utf8_message); |
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__debugbreak(); |
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abort(); |
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} |
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socket->added_to_iocp = 1; |
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GPR_ASSERT(ret == g_iocp); |
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} |
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static void socket_notify_on_iocp(grpc_winsocket *socket, |
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void(*cb)(void *, int), void *opaque, |
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grpc_winsocket_callback_info *info) { |
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int run_now = 0; |
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GPR_ASSERT(!info->cb); |
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gpr_mu_lock(&socket->state_mu); |
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if (info->has_pending_iocp) { |
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run_now = 1; |
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info->has_pending_iocp = 0; |
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gpr_log(GPR_DEBUG, "socket_notify_on_iocp - runs now"); |
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} else { |
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info->cb = cb; |
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info->opaque = opaque; |
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gpr_log(GPR_DEBUG, "socket_notify_on_iocp - queued"); |
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} |
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gpr_mu_unlock(&socket->state_mu); |
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if (run_now) cb(opaque, 1); |
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} |
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void grpc_socket_notify_on_write(grpc_winsocket *socket, |
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void(*cb)(void *, int), void *opaque) { |
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gpr_log(GPR_DEBUG, "grpc_socket_notify_on_write"); |
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socket_notify_on_iocp(socket, cb, opaque, &socket->write_info); |
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} |
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void grpc_socket_notify_on_read(grpc_winsocket *socket, |
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void(*cb)(void *, int), void *opaque) { |
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gpr_log(GPR_DEBUG, "grpc_socket_notify_on_read"); |
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socket_notify_on_iocp(socket, cb, opaque, &socket->read_info); |
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} |
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#endif /* GPR_WINSOCK_SOCKET */ |
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@ -0,0 +1,52 @@ |
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/*
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* |
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* Copyright 2014, 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 |
||||||
|
* notice, this list of conditions and the following disclaimer. |
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|
* * 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. |
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|
* * 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. |
||||||
|
* |
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|
* 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 |
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|
* 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. |
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* |
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*/ |
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#ifndef __GRPC_INTERNAL_IOMGR_IOCP_WINDOWS_H_ |
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#define __GRPC_INTERNAL_IOMGR_IOCP_WINDOWS_H_ |
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#include <windows.h> |
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#include <grpc/support/sync.h> |
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#include "src/core/iomgr/socket_windows.h" |
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void grpc_iocp_init(void); |
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void grpc_iocp_shutdown(void); |
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void grpc_iocp_add_socket(grpc_winsocket *); |
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void grpc_socket_notify_on_write(grpc_winsocket *, void(*cb)(void *, int success), |
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void *opaque); |
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void grpc_socket_notify_on_read(grpc_winsocket *, void(*cb)(void *, int success), |
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void *opaque); |
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#endif /* __GRPC_INTERNAL_IOMGR_IOCP_WINDOWS_H_ */ |
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@ -0,0 +1,67 @@ |
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/*
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* |
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|
* Copyright 2014, Google Inc. |
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|
* 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. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
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|
#include <grpc/support/port_platform.h> |
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|
|
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#ifdef GPR_WINSOCK_SOCKET |
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|
#include "src/core/iomgr/sockaddr_win32.h" |
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|
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|
#include <grpc/support/log.h> |
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|
#include "src/core/iomgr/socket_windows.h" |
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|
#include "src/core/iomgr/iocp_windows.h" |
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|
#include "src/core/iomgr/iomgr.h" |
||||||
|
|
||||||
|
static void winsock_init(void) { |
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|
WSADATA wsaData; |
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|
int status = WSAStartup(MAKEWORD(2, 0), &wsaData); |
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|
GPR_ASSERT(status == 0); |
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|
} |
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|
|
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|
static void winsock_shutdown(void) { |
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|
int status = WSACleanup(); |
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|
GPR_ASSERT(status == 0); |
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|
} |
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|
|
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void grpc_iomgr_platform_init(void) { |
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winsock_init(); |
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grpc_iocp_init(); |
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|
} |
||||||
|
|
||||||
|
void grpc_iomgr_platform_shutdown(void) { |
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|
grpc_iocp_shutdown(); |
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|
winsock_shutdown(); |
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|
} |
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|
|
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|
#endif /* GRPC_WINSOCK_SOCKET */ |
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@ -0,0 +1,77 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2014, 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> |
||||||
|
#include <grpc/support/alloc.h> |
||||||
|
#include <grpc/support/log.h> |
||||||
|
|
||||||
|
#ifdef GPR_WINSOCK_SOCKET |
||||||
|
|
||||||
|
#include "src/core/iomgr/iocp_windows.h" |
||||||
|
#include "src/core/iomgr/iomgr.h" |
||||||
|
#include "src/core/iomgr/iomgr_internal.h" |
||||||
|
#include "src/core/iomgr/socket_windows.h" |
||||||
|
#include "src/core/iomgr/pollset.h" |
||||||
|
#include "src/core/iomgr/pollset_windows.h" |
||||||
|
|
||||||
|
grpc_winsocket *grpc_winsocket_create(SOCKET socket) { |
||||||
|
grpc_winsocket *r = gpr_malloc(sizeof(grpc_winsocket)); |
||||||
|
gpr_log(GPR_DEBUG, "grpc_winsocket_create"); |
||||||
|
memset(r, 0, sizeof(grpc_winsocket)); |
||||||
|
r->socket = socket; |
||||||
|
gpr_mu_init(&r->state_mu); |
||||||
|
grpc_iomgr_ref(); |
||||||
|
grpc_iocp_add_socket(r); |
||||||
|
return r; |
||||||
|
} |
||||||
|
|
||||||
|
void shutdown_op(grpc_winsocket_callback_info *info) { |
||||||
|
if (!info->cb) return; |
||||||
|
grpc_iomgr_add_delayed_callback(info->cb, info->opaque, 0); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_winsocket_shutdown(grpc_winsocket *socket) { |
||||||
|
gpr_log(GPR_DEBUG, "grpc_winsocket_shutdown"); |
||||||
|
shutdown_op(&socket->read_info); |
||||||
|
shutdown_op(&socket->write_info); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_winsocket_orphan(grpc_winsocket *socket) { |
||||||
|
gpr_log(GPR_DEBUG, "grpc_winsocket_orphan"); |
||||||
|
grpc_iomgr_unref(); |
||||||
|
closesocket(socket->socket); |
||||||
|
gpr_mu_destroy(&socket->state_mu); |
||||||
|
gpr_free(socket); |
||||||
|
} |
||||||
|
|
||||||
|
#endif /* GPR_WINSOCK_SOCKET */ |
||||||
@ -0,0 +1,75 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2014, 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_INTERNAL_IOMGR_HANDLE_WINDOWS_H__ |
||||||
|
#define __GRPC_INTERNAL_IOMGR_HANDLE_WINDOWS_H__ |
||||||
|
|
||||||
|
#include <windows.h> |
||||||
|
|
||||||
|
#include <grpc/support/sync.h> |
||||||
|
#include <grpc/support/atm.h> |
||||||
|
|
||||||
|
typedef struct grpc_winsocket_callback_info { |
||||||
|
/* This is supposed to be a WSAOVERLAPPED, but in order to get that
|
||||||
|
* definition, we need to include ws2tcpip.h, which needs to be included |
||||||
|
* from the top, otherwise it'll clash with a previous inclusion of |
||||||
|
* windows.h that in turns includes winsock.h. If anyone knows a way |
||||||
|
* to do it properly, feel free to send a patch. |
||||||
|
*/ |
||||||
|
OVERLAPPED overlapped; |
||||||
|
void(*cb)(void *opaque, int success); |
||||||
|
void *opaque; |
||||||
|
int has_pending_iocp; |
||||||
|
DWORD bytes_transfered; |
||||||
|
int wsa_error; |
||||||
|
} grpc_winsocket_callback_info; |
||||||
|
|
||||||
|
typedef struct grpc_winsocket { |
||||||
|
SOCKET socket; |
||||||
|
|
||||||
|
int added_to_iocp; |
||||||
|
|
||||||
|
grpc_winsocket_callback_info write_info; |
||||||
|
grpc_winsocket_callback_info read_info; |
||||||
|
|
||||||
|
gpr_mu state_mu; |
||||||
|
} grpc_winsocket; |
||||||
|
|
||||||
|
/* Create a wrapped windows handle.
|
||||||
|
This takes ownership of closing it. */ |
||||||
|
grpc_winsocket *grpc_winsocket_create(SOCKET socket); |
||||||
|
|
||||||
|
void grpc_winsocket_shutdown(grpc_winsocket *socket); |
||||||
|
void grpc_winsocket_orphan(grpc_winsocket *socket); |
||||||
|
|
||||||
|
#endif /* __GRPC_INTERNAL_IOMGR_HANDLE_WINDOWS_H__ */ |
||||||
@ -0,0 +1,215 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2014, 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_WINSOCK_SOCKET |
||||||
|
|
||||||
|
#include "src/core/iomgr/sockaddr_win32.h" |
||||||
|
|
||||||
|
#include <grpc/support/alloc.h> |
||||||
|
#include <grpc/support/log.h> |
||||||
|
#include <grpc/support/log_win32.h> |
||||||
|
#include <grpc/support/slice_buffer.h> |
||||||
|
#include <grpc/support/useful.h> |
||||||
|
|
||||||
|
#include "src/core/iomgr/tcp_client.h" |
||||||
|
#include "src/core/iomgr/tcp_windows.h" |
||||||
|
#include "src/core/iomgr/socket_windows.h" |
||||||
|
#include "src/core/iomgr/alarm.h" |
||||||
|
#include "src/core/iomgr/sockaddr.h" |
||||||
|
#include "src/core/iomgr/sockaddr_utils.h" |
||||||
|
|
||||||
|
typedef struct { |
||||||
|
void(*cb)(void *arg, grpc_endpoint *tcp); |
||||||
|
void *cb_arg; |
||||||
|
gpr_mu mu; |
||||||
|
grpc_winsocket *socket; |
||||||
|
gpr_timespec deadline; |
||||||
|
grpc_alarm alarm; |
||||||
|
int refs; |
||||||
|
} async_connect; |
||||||
|
|
||||||
|
static void async_connect_cleanup(async_connect *ac) { |
||||||
|
int done = (--ac->refs == 0); |
||||||
|
gpr_mu_unlock(&ac->mu); |
||||||
|
if (done) { |
||||||
|
gpr_mu_destroy(&ac->mu); |
||||||
|
gpr_free(ac); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void on_alarm(void *acp, int success) { |
||||||
|
async_connect *ac = acp; |
||||||
|
gpr_mu_lock(&ac->mu); |
||||||
|
if (ac->socket != NULL && success) { |
||||||
|
grpc_winsocket_shutdown(ac->socket); |
||||||
|
} |
||||||
|
async_connect_cleanup(ac); |
||||||
|
} |
||||||
|
|
||||||
|
static void on_connect(void *acp, int success) { |
||||||
|
async_connect *ac = acp; |
||||||
|
SOCKET sock = ac->socket->socket; |
||||||
|
grpc_endpoint *ep = NULL; |
||||||
|
grpc_winsocket_callback_info *info = &ac->socket->write_info; |
||||||
|
void(*cb)(void *arg, grpc_endpoint *tcp) = ac->cb; |
||||||
|
void *cb_arg = ac->cb_arg; |
||||||
|
|
||||||
|
grpc_alarm_cancel(&ac->alarm); |
||||||
|
|
||||||
|
if (success) { |
||||||
|
DWORD transfered_bytes = 0; |
||||||
|
DWORD flags; |
||||||
|
BOOL wsa_success = WSAGetOverlappedResult(sock, &info->overlapped, |
||||||
|
&transfered_bytes, FALSE, |
||||||
|
&flags); |
||||||
|
GPR_ASSERT(transfered_bytes == 0); |
||||||
|
if (!wsa_success) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
goto finish; |
||||||
|
} else { |
||||||
|
gpr_log(GPR_DEBUG, "on_connect: connection established"); |
||||||
|
ep = grpc_tcp_create(ac->socket); |
||||||
|
goto finish; |
||||||
|
} |
||||||
|
} else { |
||||||
|
gpr_log(GPR_ERROR, "on_connect is shutting down"); |
||||||
|
goto finish; |
||||||
|
} |
||||||
|
|
||||||
|
abort(); |
||||||
|
|
||||||
|
finish: |
||||||
|
gpr_mu_lock(&ac->mu); |
||||||
|
if (!ep) { |
||||||
|
grpc_winsocket_orphan(ac->socket); |
||||||
|
} |
||||||
|
async_connect_cleanup(ac); |
||||||
|
cb(cb_arg, ep); |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_tcp_client_connect(void(*cb)(void *arg, grpc_endpoint *tcp), |
||||||
|
void *arg, const struct sockaddr *addr, |
||||||
|
int addr_len, gpr_timespec deadline) { |
||||||
|
SOCKET sock = INVALID_SOCKET; |
||||||
|
BOOL success; |
||||||
|
int status; |
||||||
|
struct sockaddr_in6 addr6_v4mapped; |
||||||
|
struct sockaddr_in6 local_address; |
||||||
|
async_connect *ac; |
||||||
|
grpc_winsocket *socket = NULL; |
||||||
|
LPFN_CONNECTEX ConnectEx; |
||||||
|
GUID guid = WSAID_CONNECTEX; |
||||||
|
DWORD ioctl_num_bytes; |
||||||
|
const char *message = NULL; |
||||||
|
char *utf8_message; |
||||||
|
grpc_winsocket_callback_info *info; |
||||||
|
|
||||||
|
/* Use dualstack sockets where available. */ |
||||||
|
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { |
||||||
|
addr = (const struct sockaddr *)&addr6_v4mapped; |
||||||
|
addr_len = sizeof(addr6_v4mapped); |
||||||
|
} |
||||||
|
|
||||||
|
sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
||||||
|
WSA_FLAG_OVERLAPPED); |
||||||
|
if (sock == INVALID_SOCKET) { |
||||||
|
message = "Unable to create socket: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
|
||||||
|
if (!grpc_tcp_prepare_socket(sock)) { |
||||||
|
message = "Unable to set socket options: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
|
||||||
|
status = WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, |
||||||
|
&guid, sizeof(guid), &ConnectEx, sizeof(ConnectEx), |
||||||
|
&ioctl_num_bytes, NULL, NULL); |
||||||
|
|
||||||
|
if (status != 0) { |
||||||
|
message = "Unable to retreive ConnectEx pointer: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
|
||||||
|
grpc_sockaddr_make_wildcard6(0, &local_address); |
||||||
|
|
||||||
|
status = bind(sock, (struct sockaddr *) &local_address, |
||||||
|
sizeof(local_address)); |
||||||
|
if (status != 0) { |
||||||
|
message = "Unable to bind socket: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
|
||||||
|
socket = grpc_winsocket_create(sock); |
||||||
|
info = &socket->write_info; |
||||||
|
success = ConnectEx(sock, addr, addr_len, NULL, 0, NULL, &info->overlapped); |
||||||
|
|
||||||
|
if (success) { |
||||||
|
gpr_log(GPR_DEBUG, "connected immediately - but we still go to sleep"); |
||||||
|
} else { |
||||||
|
int error = WSAGetLastError(); |
||||||
|
if (error != ERROR_IO_PENDING) { |
||||||
|
message = "ConnectEx failed: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "grpc_tcp_client_connect: connection pending"); |
||||||
|
ac = gpr_malloc(sizeof(async_connect)); |
||||||
|
ac->cb = cb; |
||||||
|
ac->cb_arg = arg; |
||||||
|
ac->socket = socket; |
||||||
|
gpr_mu_init(&ac->mu); |
||||||
|
ac->refs = 2; |
||||||
|
|
||||||
|
grpc_alarm_init(&ac->alarm, deadline, on_alarm, ac, gpr_now()); |
||||||
|
grpc_socket_notify_on_write(socket, on_connect, ac); |
||||||
|
return; |
||||||
|
|
||||||
|
failure: |
||||||
|
utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, message, utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
if (socket) { |
||||||
|
grpc_winsocket_orphan(socket); |
||||||
|
} else if (sock != INVALID_SOCKET) { |
||||||
|
closesocket(sock); |
||||||
|
} |
||||||
|
cb(arg, NULL); |
||||||
|
} |
||||||
|
|
||||||
|
#endif /* GPR_WINSOCK_SOCKET */ |
||||||
@ -0,0 +1,374 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2014, 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_WINSOCK_SOCKET |
||||||
|
|
||||||
|
#define _GNU_SOURCE |
||||||
|
#include "src/core/iomgr/sockaddr_utils.h" |
||||||
|
|
||||||
|
#include <grpc/support/alloc.h> |
||||||
|
#include <grpc/support/log.h> |
||||||
|
#include <grpc/support/log_win32.h> |
||||||
|
#include <grpc/support/sync.h> |
||||||
|
#include <grpc/support/time.h> |
||||||
|
|
||||||
|
#include "src/core/iomgr/iocp_windows.h" |
||||||
|
#include "src/core/iomgr/pollset_windows.h" |
||||||
|
#include "src/core/iomgr/socket_windows.h" |
||||||
|
#include "src/core/iomgr/tcp_server.h" |
||||||
|
#include "src/core/iomgr/tcp_windows.h" |
||||||
|
|
||||||
|
#define INIT_PORT_CAP 2 |
||||||
|
#define MIN_SAFE_ACCEPT_QUEUE_SIZE 100 |
||||||
|
|
||||||
|
static gpr_once s_init_max_accept_queue_size; |
||||||
|
static int s_max_accept_queue_size; |
||||||
|
|
||||||
|
/* one listening port */ |
||||||
|
typedef struct server_port { |
||||||
|
gpr_uint8 addresses[sizeof(struct sockaddr_in6) * 2 + 32]; |
||||||
|
SOCKET new_socket; |
||||||
|
grpc_winsocket *socket; |
||||||
|
grpc_tcp_server *server; |
||||||
|
LPFN_ACCEPTEX AcceptEx; |
||||||
|
} server_port; |
||||||
|
|
||||||
|
/* the overall server */ |
||||||
|
struct grpc_tcp_server { |
||||||
|
grpc_tcp_server_cb cb; |
||||||
|
void *cb_arg; |
||||||
|
|
||||||
|
gpr_mu mu; |
||||||
|
gpr_cv cv; |
||||||
|
|
||||||
|
/* active port count: how many ports are actually still listening */ |
||||||
|
int active_ports; |
||||||
|
|
||||||
|
/* all listening ports */ |
||||||
|
server_port *ports; |
||||||
|
size_t nports; |
||||||
|
size_t port_capacity; |
||||||
|
}; |
||||||
|
|
||||||
|
grpc_tcp_server *grpc_tcp_server_create(void) { |
||||||
|
grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server)); |
||||||
|
gpr_mu_init(&s->mu); |
||||||
|
gpr_cv_init(&s->cv); |
||||||
|
s->active_ports = 0; |
||||||
|
s->cb = NULL; |
||||||
|
s->cb_arg = NULL; |
||||||
|
s->ports = gpr_malloc(sizeof(server_port) * INIT_PORT_CAP); |
||||||
|
s->nports = 0; |
||||||
|
s->port_capacity = INIT_PORT_CAP; |
||||||
|
return s; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_tcp_server_destroy(grpc_tcp_server *s) { |
||||||
|
size_t i; |
||||||
|
gpr_mu_lock(&s->mu); |
||||||
|
/* shutdown all fd's */ |
||||||
|
for (i = 0; i < s->nports; i++) { |
||||||
|
grpc_winsocket_shutdown(s->ports[i].socket); |
||||||
|
} |
||||||
|
/* wait while that happens */ |
||||||
|
while (s->active_ports) { |
||||||
|
gpr_cv_wait(&s->cv, &s->mu, gpr_inf_future); |
||||||
|
} |
||||||
|
gpr_mu_unlock(&s->mu); |
||||||
|
|
||||||
|
/* delete ALL the things */ |
||||||
|
for (i = 0; i < s->nports; i++) { |
||||||
|
server_port *sp = &s->ports[i]; |
||||||
|
grpc_winsocket_orphan(sp->socket); |
||||||
|
} |
||||||
|
gpr_free(s->ports); |
||||||
|
gpr_free(s); |
||||||
|
} |
||||||
|
|
||||||
|
/* Prepare a recently-created socket for listening. */ |
||||||
|
static int prepare_socket(SOCKET sock, |
||||||
|
const struct sockaddr *addr, int addr_len) { |
||||||
|
struct sockaddr_storage sockname_temp; |
||||||
|
socklen_t sockname_len; |
||||||
|
|
||||||
|
if (sock == INVALID_SOCKET) goto error; |
||||||
|
|
||||||
|
if (!grpc_tcp_prepare_socket(sock)) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "Unable to prepare socket: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
goto error; |
||||||
|
} |
||||||
|
|
||||||
|
if (bind(sock, addr, addr_len) == SOCKET_ERROR) { |
||||||
|
char *addr_str; |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
grpc_sockaddr_to_string(&addr_str, addr, 0); |
||||||
|
gpr_log(GPR_ERROR, "bind addr=%s: %s", addr_str, utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
gpr_free(addr_str); |
||||||
|
goto error; |
||||||
|
} |
||||||
|
|
||||||
|
if (listen(sock, SOMAXCONN) == SOCKET_ERROR) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "listen: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
goto error; |
||||||
|
} |
||||||
|
|
||||||
|
sockname_len = sizeof(sockname_temp); |
||||||
|
if (getsockname(sock, (struct sockaddr *) &sockname_temp, &sockname_len) |
||||||
|
== SOCKET_ERROR) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "getsockname: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
goto error; |
||||||
|
} |
||||||
|
|
||||||
|
return grpc_sockaddr_get_port((struct sockaddr *) &sockname_temp); |
||||||
|
|
||||||
|
error: |
||||||
|
if (sock != INVALID_SOCKET) closesocket(sock); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
static void on_accept(void *arg, int success); |
||||||
|
|
||||||
|
static void start_accept(server_port *port) { |
||||||
|
SOCKET sock = INVALID_SOCKET; |
||||||
|
char *message; |
||||||
|
char *utf8_message; |
||||||
|
BOOL success; |
||||||
|
DWORD addrlen = sizeof(struct sockaddr_in6) + 16; |
||||||
|
DWORD bytes_received = 0; |
||||||
|
|
||||||
|
sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
||||||
|
WSA_FLAG_OVERLAPPED); |
||||||
|
|
||||||
|
if (sock == INVALID_SOCKET) { |
||||||
|
message = "Unable to create socket: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
|
||||||
|
if (!grpc_tcp_prepare_socket(sock)) { |
||||||
|
message = "Unable to prepare socket: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
|
||||||
|
success = port->AcceptEx(port->socket->socket, sock, port->addresses, 0, |
||||||
|
addrlen, addrlen, &bytes_received, |
||||||
|
&port->socket->read_info.overlapped); |
||||||
|
|
||||||
|
if (success) { |
||||||
|
gpr_log(GPR_DEBUG, "accepted immediately - but we still go to sleep"); |
||||||
|
} else { |
||||||
|
int error = WSAGetLastError(); |
||||||
|
if (error != ERROR_IO_PENDING) { |
||||||
|
message = "AcceptEx failed: %s"; |
||||||
|
goto failure; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
port->new_socket = sock; |
||||||
|
grpc_socket_notify_on_read(port->socket, on_accept, port); |
||||||
|
return; |
||||||
|
|
||||||
|
failure: |
||||||
|
utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, message, utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
if (sock != INVALID_SOCKET) closesocket(sock); |
||||||
|
} |
||||||
|
|
||||||
|
/* event manager callback when reads are ready */ |
||||||
|
static void on_accept(void *arg, int success) { |
||||||
|
server_port *sp = arg; |
||||||
|
SOCKET sock = sp->new_socket; |
||||||
|
grpc_winsocket_callback_info *info = &sp->socket->read_info; |
||||||
|
grpc_endpoint *ep = NULL; |
||||||
|
|
||||||
|
if (success) { |
||||||
|
DWORD transfered_bytes = 0; |
||||||
|
DWORD flags; |
||||||
|
BOOL wsa_success = WSAGetOverlappedResult(sock, &info->overlapped, |
||||||
|
&transfered_bytes, FALSE, |
||||||
|
&flags); |
||||||
|
if (!wsa_success) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "on_accept error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
closesocket(sock); |
||||||
|
} else { |
||||||
|
gpr_log(GPR_DEBUG, "on_accept: accepted connection"); |
||||||
|
ep = grpc_tcp_create(grpc_winsocket_create(sock)); |
||||||
|
} |
||||||
|
} else { |
||||||
|
gpr_log(GPR_DEBUG, "on_accept: shutting down"); |
||||||
|
closesocket(sock); |
||||||
|
gpr_mu_lock(&sp->server->mu); |
||||||
|
if (0 == --sp->server->active_ports) { |
||||||
|
gpr_cv_broadcast(&sp->server->cv); |
||||||
|
} |
||||||
|
gpr_mu_unlock(&sp->server->mu); |
||||||
|
} |
||||||
|
|
||||||
|
if (ep) sp->server->cb(sp->server->cb_arg, ep); |
||||||
|
start_accept(sp); |
||||||
|
} |
||||||
|
|
||||||
|
static int add_socket_to_server(grpc_tcp_server *s, SOCKET sock, |
||||||
|
const struct sockaddr *addr, int addr_len) { |
||||||
|
server_port *sp; |
||||||
|
int port; |
||||||
|
int status; |
||||||
|
GUID guid = WSAID_ACCEPTEX; |
||||||
|
DWORD ioctl_num_bytes; |
||||||
|
LPFN_ACCEPTEX AcceptEx; |
||||||
|
|
||||||
|
if (sock == INVALID_SOCKET) return -1; |
||||||
|
|
||||||
|
status = WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, |
||||||
|
&guid, sizeof(guid), &AcceptEx, sizeof(AcceptEx), |
||||||
|
&ioctl_num_bytes, NULL, NULL); |
||||||
|
|
||||||
|
if (status != 0) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
closesocket(sock); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
port = prepare_socket(sock, addr, addr_len); |
||||||
|
if (port >= 0) { |
||||||
|
gpr_mu_lock(&s->mu); |
||||||
|
GPR_ASSERT(!s->cb && "must add ports before starting server"); |
||||||
|
/* append it to the list under a lock */ |
||||||
|
if (s->nports == s->port_capacity) { |
||||||
|
s->port_capacity *= 2; |
||||||
|
s->ports = gpr_realloc(s->ports, sizeof(server_port) * s->port_capacity); |
||||||
|
} |
||||||
|
sp = &s->ports[s->nports++]; |
||||||
|
sp->server = s; |
||||||
|
sp->socket = grpc_winsocket_create(sock); |
||||||
|
sp->AcceptEx = AcceptEx; |
||||||
|
GPR_ASSERT(sp->socket); |
||||||
|
gpr_mu_unlock(&s->mu); |
||||||
|
} |
||||||
|
|
||||||
|
return port; |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr, |
||||||
|
int addr_len) { |
||||||
|
int allocated_port = -1; |
||||||
|
unsigned i; |
||||||
|
SOCKET sock; |
||||||
|
struct sockaddr_in6 addr6_v4mapped; |
||||||
|
struct sockaddr_in6 wildcard; |
||||||
|
struct sockaddr *allocated_addr = NULL; |
||||||
|
struct sockaddr_storage sockname_temp; |
||||||
|
socklen_t sockname_len; |
||||||
|
int port; |
||||||
|
|
||||||
|
/* Check if this is a wildcard port, and if so, try to keep the port the same
|
||||||
|
as some previously created listener. */ |
||||||
|
if (grpc_sockaddr_get_port(addr) == 0) { |
||||||
|
for (i = 0; i < s->nports; i++) { |
||||||
|
sockname_len = sizeof(sockname_temp); |
||||||
|
if (0 == getsockname(s->ports[i].socket->socket, |
||||||
|
(struct sockaddr *) &sockname_temp, |
||||||
|
&sockname_len)) { |
||||||
|
port = grpc_sockaddr_get_port((struct sockaddr *) &sockname_temp); |
||||||
|
if (port > 0) { |
||||||
|
allocated_addr = malloc(addr_len); |
||||||
|
memcpy(allocated_addr, addr, addr_len); |
||||||
|
grpc_sockaddr_set_port(allocated_addr, port); |
||||||
|
addr = allocated_addr; |
||||||
|
break; |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { |
||||||
|
addr = (const struct sockaddr *)&addr6_v4mapped; |
||||||
|
addr_len = sizeof(addr6_v4mapped); |
||||||
|
} |
||||||
|
|
||||||
|
/* Treat :: or 0.0.0.0 as a family-agnostic wildcard. */ |
||||||
|
if (grpc_sockaddr_is_wildcard(addr, &port)) { |
||||||
|
grpc_sockaddr_make_wildcard6(port, &wildcard); |
||||||
|
|
||||||
|
addr = (struct sockaddr *) &wildcard; |
||||||
|
addr_len = sizeof(wildcard); |
||||||
|
} |
||||||
|
|
||||||
|
sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, |
||||||
|
WSA_FLAG_OVERLAPPED); |
||||||
|
if (sock == INVALID_SOCKET) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
gpr_log(GPR_ERROR, "unable to create socket: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
} |
||||||
|
|
||||||
|
allocated_port = add_socket_to_server(s, sock, addr, addr_len); |
||||||
|
gpr_free(allocated_addr); |
||||||
|
|
||||||
|
return allocated_port; |
||||||
|
} |
||||||
|
|
||||||
|
SOCKET grpc_tcp_server_get_socket(grpc_tcp_server *s, unsigned index) { |
||||||
|
return (index < s->nports) ? s->ports[index].socket->socket : INVALID_SOCKET; |
||||||
|
} |
||||||
|
|
||||||
|
void grpc_tcp_server_start(grpc_tcp_server *s, grpc_pollset *pollset, |
||||||
|
grpc_tcp_server_cb cb, void *cb_arg) { |
||||||
|
size_t i; |
||||||
|
GPR_ASSERT(cb); |
||||||
|
gpr_mu_lock(&s->mu); |
||||||
|
GPR_ASSERT(!s->cb); |
||||||
|
GPR_ASSERT(s->active_ports == 0); |
||||||
|
s->cb = cb; |
||||||
|
s->cb_arg = cb_arg; |
||||||
|
for (i = 0; i < s->nports; i++) { |
||||||
|
start_accept(s->ports + i); |
||||||
|
s->active_ports++; |
||||||
|
} |
||||||
|
gpr_mu_unlock(&s->mu); |
||||||
|
} |
||||||
|
|
||||||
|
#endif /* GPR_WINSOCK_SOCKET */ |
||||||
@ -0,0 +1,373 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2014, 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_WINSOCK_SOCKET |
||||||
|
|
||||||
|
#include "src/core/iomgr/sockaddr_win32.h" |
||||||
|
|
||||||
|
#include <grpc/support/alloc.h> |
||||||
|
#include <grpc/support/log.h> |
||||||
|
#include <grpc/support/log_win32.h> |
||||||
|
#include <grpc/support/slice_buffer.h> |
||||||
|
#include <grpc/support/useful.h> |
||||||
|
|
||||||
|
#include "src/core/iomgr/alarm.h" |
||||||
|
#include "src/core/iomgr/iocp_windows.h" |
||||||
|
#include "src/core/iomgr/sockaddr.h" |
||||||
|
#include "src/core/iomgr/sockaddr_utils.h" |
||||||
|
#include "src/core/iomgr/socket_windows.h" |
||||||
|
#include "src/core/iomgr/tcp_client.h" |
||||||
|
|
||||||
|
static int set_non_block(SOCKET sock) { |
||||||
|
int status; |
||||||
|
unsigned long param = 1; |
||||||
|
DWORD ret; |
||||||
|
status = WSAIoctl(sock, FIONBIO, ¶m, sizeof(param), NULL, 0, &ret, |
||||||
|
NULL, NULL); |
||||||
|
return status == 0; |
||||||
|
} |
||||||
|
|
||||||
|
static int set_dualstack(SOCKET sock) { |
||||||
|
int status; |
||||||
|
unsigned long param = 0; |
||||||
|
status = setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, |
||||||
|
(const char *) ¶m, sizeof(param)); |
||||||
|
return status == 0; |
||||||
|
} |
||||||
|
|
||||||
|
int grpc_tcp_prepare_socket(SOCKET sock) { |
||||||
|
if (!set_non_block(sock)) |
||||||
|
return 0; |
||||||
|
if (!set_dualstack(sock)) |
||||||
|
return 0; |
||||||
|
return 1; |
||||||
|
} |
||||||
|
|
||||||
|
typedef struct grpc_tcp { |
||||||
|
grpc_endpoint base; |
||||||
|
grpc_winsocket *socket; |
||||||
|
gpr_refcount refcount; |
||||||
|
|
||||||
|
grpc_endpoint_read_cb read_cb; |
||||||
|
void *read_user_data; |
||||||
|
gpr_slice read_slice; |
||||||
|
int outstanding_read; |
||||||
|
|
||||||
|
grpc_endpoint_write_cb write_cb; |
||||||
|
void *write_user_data; |
||||||
|
gpr_slice_buffer write_slices; |
||||||
|
int outstanding_write; |
||||||
|
|
||||||
|
} grpc_tcp; |
||||||
|
|
||||||
|
static void tcp_ref(grpc_tcp *tcp) { |
||||||
|
gpr_log(GPR_DEBUG, "tcp_ref"); |
||||||
|
gpr_ref(&tcp->refcount); |
||||||
|
} |
||||||
|
|
||||||
|
static void tcp_unref(grpc_tcp *tcp) { |
||||||
|
gpr_log(GPR_DEBUG, "tcp_unref"); |
||||||
|
if (gpr_unref(&tcp->refcount)) { |
||||||
|
gpr_log(GPR_DEBUG, "tcp_unref: destroying"); |
||||||
|
gpr_slice_buffer_destroy(&tcp->write_slices); |
||||||
|
grpc_winsocket_orphan(tcp->socket); |
||||||
|
gpr_free(tcp); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void on_read(void *tcpp, int success) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) tcpp; |
||||||
|
grpc_winsocket *socket = tcp->socket; |
||||||
|
gpr_slice sub; |
||||||
|
gpr_slice *slice = NULL; |
||||||
|
size_t nslices = 0; |
||||||
|
grpc_endpoint_cb_status status; |
||||||
|
grpc_endpoint_read_cb cb = tcp->read_cb; |
||||||
|
grpc_winsocket_callback_info *info = &socket->read_info; |
||||||
|
void *opaque = tcp->read_user_data; |
||||||
|
|
||||||
|
GPR_ASSERT(tcp->outstanding_read); |
||||||
|
|
||||||
|
if (!success) { |
||||||
|
tcp_unref(tcp); |
||||||
|
cb(opaque, NULL, 0, GRPC_ENDPOINT_CB_SHUTDOWN); |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "on_read"); |
||||||
|
tcp->outstanding_read = 0; |
||||||
|
|
||||||
|
if (socket->read_info.wsa_error != 0) { |
||||||
|
char *utf8_message = gpr_format_message(info->wsa_error); |
||||||
|
__debugbreak(); |
||||||
|
gpr_log(GPR_ERROR, "ReadFile overlapped error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
status = GRPC_ENDPOINT_CB_ERROR; |
||||||
|
} else { |
||||||
|
if (info->bytes_transfered != 0) { |
||||||
|
sub = gpr_slice_sub(tcp->read_slice, 0, info->bytes_transfered); |
||||||
|
gpr_log(GPR_DEBUG, "on_read: calling callback"); |
||||||
|
status = GRPC_ENDPOINT_CB_OK; |
||||||
|
slice = ⊂ |
||||||
|
nslices = 1; |
||||||
|
} else { |
||||||
|
gpr_log(GPR_DEBUG, "on_read: closed socket"); |
||||||
|
gpr_slice_unref(tcp->read_slice); |
||||||
|
status = GRPC_ENDPOINT_CB_EOF; |
||||||
|
} |
||||||
|
} |
||||||
|
tcp_unref(tcp); |
||||||
|
cb(opaque, slice, nslices, status); |
||||||
|
} |
||||||
|
|
||||||
|
static void win_notify_on_read(grpc_endpoint *ep, |
||||||
|
grpc_endpoint_read_cb cb, void *arg) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) ep; |
||||||
|
grpc_winsocket *handle = tcp->socket; |
||||||
|
grpc_winsocket_callback_info *info = &handle->read_info; |
||||||
|
int status; |
||||||
|
DWORD bytes_read = 0; |
||||||
|
DWORD flags = 0; |
||||||
|
int error; |
||||||
|
WSABUF buffer; |
||||||
|
|
||||||
|
GPR_ASSERT(!tcp->outstanding_read); |
||||||
|
tcp_ref(tcp); |
||||||
|
tcp->outstanding_read = 1; |
||||||
|
tcp->read_cb = cb; |
||||||
|
tcp->read_user_data = arg; |
||||||
|
|
||||||
|
tcp->read_slice = gpr_slice_malloc(8192); |
||||||
|
|
||||||
|
buffer.len = GPR_SLICE_LENGTH(tcp->read_slice); |
||||||
|
buffer.buf = GPR_SLICE_START_PTR(tcp->read_slice); |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "win_notify_on_read: calling WSARecv without overlap"); |
||||||
|
status = WSARecv(tcp->socket->socket, &buffer, 1, &bytes_read, &flags, |
||||||
|
NULL, NULL); |
||||||
|
info->wsa_error = status == 0 ? 0 : WSAGetLastError(); |
||||||
|
|
||||||
|
if (info->wsa_error != WSAEWOULDBLOCK) { |
||||||
|
gpr_log(GPR_DEBUG, "got response immediately, calling on_read"); |
||||||
|
info->bytes_transfered = bytes_read; |
||||||
|
/* This might heavily recurse. */ |
||||||
|
on_read(tcp, 1); |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "got WSAEWOULDBLOCK - calling WSARecv with overlap"); |
||||||
|
|
||||||
|
memset(&tcp->socket->read_info.overlapped, 0, sizeof(OVERLAPPED)); |
||||||
|
status = WSARecv(tcp->socket->socket, &buffer, 1, &bytes_read, &flags, |
||||||
|
&info->overlapped, NULL); |
||||||
|
|
||||||
|
if (status == 0) { |
||||||
|
gpr_log(GPR_DEBUG, "got response immediately, but we're going to sleep"); |
||||||
|
grpc_socket_notify_on_read(tcp->socket, on_read, tcp); |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
error = WSAGetLastError(); |
||||||
|
|
||||||
|
if (error != WSA_IO_PENDING) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
__debugbreak(); |
||||||
|
gpr_log(GPR_ERROR, "WSARecv error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
/* would the IO completion port be called anyway... ? Let's assume not. */ |
||||||
|
tcp->outstanding_read = 0; |
||||||
|
tcp_unref(tcp); |
||||||
|
cb(arg, NULL, 0, GRPC_ENDPOINT_CB_ERROR); |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "waiting on the IO completion port now"); |
||||||
|
grpc_socket_notify_on_read(tcp->socket, on_read, tcp); |
||||||
|
} |
||||||
|
|
||||||
|
static void on_write(void *tcpp, int success) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) tcpp; |
||||||
|
grpc_winsocket *handle = tcp->socket; |
||||||
|
grpc_winsocket_callback_info *info = &handle->write_info; |
||||||
|
grpc_endpoint_cb_status status = GRPC_ENDPOINT_CB_OK; |
||||||
|
grpc_endpoint_write_cb cb = tcp->write_cb; |
||||||
|
void *opaque = tcp->write_user_data; |
||||||
|
|
||||||
|
GPR_ASSERT(tcp->outstanding_write); |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "on_write"); |
||||||
|
|
||||||
|
if (!success) { |
||||||
|
tcp_unref(tcp); |
||||||
|
cb(opaque, GRPC_ENDPOINT_CB_SHUTDOWN); |
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
if (info->wsa_error != 0) { |
||||||
|
char *utf8_message = gpr_format_message(info->wsa_error); |
||||||
|
gpr_log(GPR_ERROR, "WSASend overlapped error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
status = GRPC_ENDPOINT_CB_ERROR; |
||||||
|
} else { |
||||||
|
GPR_ASSERT(info->bytes_transfered == tcp->write_slices.length); |
||||||
|
} |
||||||
|
|
||||||
|
gpr_slice_buffer_reset_and_unref(&tcp->write_slices); |
||||||
|
tcp->outstanding_write = 0; |
||||||
|
|
||||||
|
tcp_unref(tcp); |
||||||
|
cb(opaque, status); |
||||||
|
} |
||||||
|
|
||||||
|
static grpc_endpoint_write_status win_write(grpc_endpoint *ep, |
||||||
|
gpr_slice *slices, size_t nslices, |
||||||
|
grpc_endpoint_write_cb cb, |
||||||
|
void *arg) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) ep; |
||||||
|
grpc_winsocket *socket = tcp->socket; |
||||||
|
grpc_winsocket_callback_info *info = &socket->write_info; |
||||||
|
unsigned i; |
||||||
|
DWORD bytes_sent; |
||||||
|
int status; |
||||||
|
WSABUF local_buffers[16]; |
||||||
|
WSABUF *allocated = NULL; |
||||||
|
WSABUF *buffers = local_buffers; |
||||||
|
|
||||||
|
GPR_ASSERT(nslices != 0); |
||||||
|
GPR_ASSERT(GPR_SLICE_LENGTH(slices[0]) != 0); |
||||||
|
GPR_ASSERT(!tcp->outstanding_write); |
||||||
|
tcp_ref(tcp); |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "win_write"); |
||||||
|
|
||||||
|
tcp->outstanding_write = 1; |
||||||
|
tcp->write_cb = cb; |
||||||
|
tcp->write_user_data = arg; |
||||||
|
gpr_slice_buffer_addn(&tcp->write_slices, slices, nslices); |
||||||
|
|
||||||
|
if (tcp->write_slices.count > GPR_ARRAY_SIZE(local_buffers)) { |
||||||
|
buffers = (WSABUF *) gpr_malloc(sizeof(WSABUF) * tcp->write_slices.count); |
||||||
|
allocated = buffers; |
||||||
|
} |
||||||
|
|
||||||
|
for (i = 0; i < tcp->write_slices.count; i++) { |
||||||
|
buffers[i].len = GPR_SLICE_LENGTH(tcp->write_slices.slices[i]); |
||||||
|
buffers[i].buf = GPR_SLICE_START_PTR(tcp->write_slices.slices[i]); |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "win_write: calling WSASend without overlap"); |
||||||
|
status = WSASend(socket->socket, buffers, tcp->write_slices.count, |
||||||
|
&bytes_sent, 0, NULL, NULL); |
||||||
|
info->wsa_error = status == 0 ? 0 : WSAGetLastError(); |
||||||
|
|
||||||
|
if (info->wsa_error != WSAEWOULDBLOCK) { |
||||||
|
grpc_endpoint_write_status ret = GRPC_ENDPOINT_WRITE_ERROR; |
||||||
|
gpr_log(GPR_DEBUG, "got response immediately, cleaning up and leaving"); |
||||||
|
if (status == 0) { |
||||||
|
ret = GRPC_ENDPOINT_WRITE_DONE; |
||||||
|
GPR_ASSERT(bytes_sent == tcp->write_slices.length); |
||||||
|
} else { |
||||||
|
char *utf8_message = gpr_format_message(info->wsa_error); |
||||||
|
gpr_log(GPR_ERROR, "WSASend error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
} |
||||||
|
if (allocated) gpr_free(allocated); |
||||||
|
gpr_slice_buffer_reset_and_unref(&tcp->write_slices); |
||||||
|
tcp->outstanding_write = 0; |
||||||
|
tcp_unref(tcp); |
||||||
|
return ret; |
||||||
|
} |
||||||
|
|
||||||
|
gpr_log(GPR_DEBUG, "got WSAEWOULDBLOCK - calling WSASend with overlap"); |
||||||
|
|
||||||
|
memset(&socket->write_info, 0, sizeof(OVERLAPPED)); |
||||||
|
status = WSASend(socket->socket, buffers, tcp->write_slices.count, |
||||||
|
&bytes_sent, 0, &socket->write_info.overlapped, NULL); |
||||||
|
if (allocated) gpr_free(allocated); |
||||||
|
|
||||||
|
if (status != 0) { |
||||||
|
int error = WSAGetLastError(); |
||||||
|
if (error != WSA_IO_PENDING) { |
||||||
|
char *utf8_message = gpr_format_message(WSAGetLastError()); |
||||||
|
__debugbreak(); |
||||||
|
gpr_log(GPR_ERROR, "WSASend error: %s", utf8_message); |
||||||
|
gpr_free(utf8_message); |
||||||
|
/* would the IO completion port be called anyway ? Let's assume not. */ |
||||||
|
tcp->outstanding_write = 0; |
||||||
|
tcp_unref(tcp); |
||||||
|
return GRPC_ENDPOINT_WRITE_ERROR; |
||||||
|
} |
||||||
|
gpr_log(GPR_DEBUG, "win_write: got pending op"); |
||||||
|
} else { |
||||||
|
gpr_log(GPR_DEBUG, "wrote data immediately - but we're going to sleep"); |
||||||
|
} |
||||||
|
|
||||||
|
grpc_socket_notify_on_write(socket, on_write, tcp); |
||||||
|
return GRPC_ENDPOINT_WRITE_PENDING; |
||||||
|
} |
||||||
|
|
||||||
|
static void win_add_to_pollset(grpc_endpoint *ep, grpc_pollset *pollset) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) ep; |
||||||
|
gpr_log(GPR_DEBUG, "win_add_to_pollset"); |
||||||
|
grpc_iocp_add_socket(tcp->socket); |
||||||
|
} |
||||||
|
|
||||||
|
static void win_shutdown(grpc_endpoint *ep) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) ep; |
||||||
|
gpr_log(GPR_DEBUG, "win_shutdown"); |
||||||
|
grpc_winsocket_shutdown(tcp->socket); |
||||||
|
} |
||||||
|
|
||||||
|
static void win_destroy(grpc_endpoint *ep) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) ep; |
||||||
|
gpr_log(GPR_DEBUG, "win_destroy"); |
||||||
|
tcp_unref(tcp); |
||||||
|
} |
||||||
|
|
||||||
|
static grpc_endpoint_vtable vtable = { |
||||||
|
win_notify_on_read, win_write, win_add_to_pollset, win_shutdown, win_destroy |
||||||
|
}; |
||||||
|
|
||||||
|
grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket) { |
||||||
|
grpc_tcp *tcp = (grpc_tcp *) gpr_malloc(sizeof(grpc_tcp)); |
||||||
|
memset(tcp, 0, sizeof(grpc_tcp)); |
||||||
|
tcp->base.vtable = &vtable; |
||||||
|
tcp->socket = socket; |
||||||
|
gpr_slice_buffer_init(&tcp->write_slices); |
||||||
|
gpr_ref_init(&tcp->refcount, 1); |
||||||
|
return &tcp->base; |
||||||
|
} |
||||||
|
|
||||||
|
#endif /* GPR_WINSOCK_SOCKET */ |
||||||
@ -0,0 +1,57 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2014, 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_INTERNAL_IOMGR_TCP_WINDOWS_H__ |
||||||
|
#define __GRPC_INTERNAL_IOMGR_TCP_WINDOWS_H__ |
||||||
|
/*
|
||||||
|
Low level TCP "bottom half" implementation, for use by transports built on |
||||||
|
top of a TCP connection. |
||||||
|
|
||||||
|
Note that this file does not (yet) include APIs for creating the socket in |
||||||
|
the first place. |
||||||
|
|
||||||
|
All calls passing slice transfer ownership of a slice refcount unless |
||||||
|
otherwise specified. |
||||||
|
*/ |
||||||
|
|
||||||
|
#include "src/core/iomgr/endpoint.h" |
||||||
|
#include "src/core/iomgr/socket_windows.h" |
||||||
|
|
||||||
|
/* Create a tcp endpoint given a winsock handle.
|
||||||
|
* Takes ownership of the handle. |
||||||
|
*/ |
||||||
|
grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket); |
||||||
|
|
||||||
|
int grpc_tcp_prepare_socket(SOCKET sock); |
||||||
|
|
||||||
|
#endif /* __GRPC_INTERNAL_IOMGR_TCP_WINDOWS_H__ */ |
||||||
Loading…
Reference in new issue