mirror of https://github.com/grpc/grpc.git
Yuchen Zeng
8 years ago
parent
a4f708a4c4
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de3daf5d63
31 changed files with 346 additions and 16 deletions
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/*
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* |
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* Copyright 2015, 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 "src/core/lib/iomgr/socket_mutator.h" |
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#include <grpc/impl/codegen/grpc_types.h> |
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#include <grpc/support/sync.h> |
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#include <grpc/support/useful.h> |
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void grpc_socket_mutator_init(grpc_socket_mutator *mutator, |
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const grpc_socket_mutator_vtable *vtable) { |
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mutator->vtable = vtable; |
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gpr_ref_init(&mutator->refcount, 1); |
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} |
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grpc_socket_mutator *grpc_socket_mutator_ref(grpc_socket_mutator *mutator) { |
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gpr_ref(&mutator->refcount); |
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return mutator; |
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} |
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bool grpc_socket_mutator_mutate_fd(grpc_socket_mutator *mutator, int fd) { |
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return mutator->vtable->mutate_fd(fd, mutator); |
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} |
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void grpc_socket_mutator_unref(grpc_socket_mutator *mutator) { |
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if (gpr_unref(&mutator->refcount)) { |
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mutator->vtable->destory(mutator); |
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} |
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} |
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static void *socket_mutator_arg_copy(void *p) { |
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return grpc_socket_mutator_ref(p); |
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} |
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static void socket_mutator_arg_destroy(void *p) { |
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grpc_socket_mutator_unref(p); |
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} |
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static int socket_mutator_cmp(void *a, void *b) { return GPR_ICMP(a, b); } |
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static const grpc_arg_pointer_vtable socket_mutator_arg_vtable = { |
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socket_mutator_arg_copy, socket_mutator_arg_destroy, socket_mutator_cmp}; |
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grpc_arg grpc_socket_mutator_to_arg(grpc_socket_mutator *mutator) { |
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grpc_arg arg; |
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arg.type = GRPC_ARG_POINTER; |
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arg.key = GRPC_ARG_SOCKET_MUTATOR; |
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arg.value.pointer.vtable = &socket_mutator_arg_vtable; |
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arg.value.pointer.p = mutator; |
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return arg; |
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} |
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@ -0,0 +1,75 @@ |
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/*
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* |
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* Copyright 2015, 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_SOCKET_MUTATOR_H |
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#define GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H |
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#include <grpc/impl/codegen/grpc_types.h> |
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#include <grpc/support/sync.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/** The virtual table of grpc_socket_mutator */ |
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typedef struct { |
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/** Mutates the socket opitons of \a fd */ |
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bool (*mutate_fd)(int fd, grpc_socket_mutator *mutator); |
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/** Destroys the socket mutator instance */ |
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void (*destory)(grpc_socket_mutator *mutator); |
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} grpc_socket_mutator_vtable; |
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/** The Socket Mutator interface allows changes on socket options */ |
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struct grpc_socket_mutator { |
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const grpc_socket_mutator_vtable *vtable; |
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gpr_refcount refcount; |
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}; |
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/** called by concrete implementations to initialize the base struct */ |
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void grpc_socket_mutator_init(grpc_socket_mutator *mutator, |
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const grpc_socket_mutator_vtable *vtable); |
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/** Wrap \a mutator as a grpc_arg */ |
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grpc_arg grpc_socket_mutator_to_arg(grpc_socket_mutator *mutator); |
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/** Perform the file descriptor mutation operation of \a mutator on \a fd */ |
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bool grpc_socket_mutator_mutate_fd(grpc_socket_mutator *mutator, int fd); |
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grpc_socket_mutator *grpc_socket_mutator_ref(grpc_socket_mutator *mutator); |
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void grpc_socket_mutator_unref(grpc_socket_mutator *mutator); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_MUTATOR_H */ |
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