mirror of https://github.com/grpc/grpc.git
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/*
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* |
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* Copyright 2017, 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/port.h" |
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#ifdef GRPC_POSIX_SOCKET |
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#include "src/core/lib/iomgr/socket_factory_posix.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_factory_init(grpc_socket_factory *factory, |
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const grpc_socket_factory_vtable *vtable) { |
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factory->vtable = vtable; |
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gpr_ref_init(&factory->refcount, 1); |
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} |
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int grpc_socket_factory_socket(grpc_socket_factory *factory, int domain, |
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int type, int protocol) { |
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return factory->vtable->socket(factory, domain, type, protocol); |
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} |
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int grpc_socket_factory_bind(grpc_socket_factory *factory, int sockfd, |
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const grpc_resolved_address *addr) { |
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return factory->vtable->bind(factory, sockfd, addr); |
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} |
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int grpc_socket_factory_compare(grpc_socket_factory *a, |
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grpc_socket_factory *b) { |
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int c = GPR_ICMP(a, b); |
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if (c != 0) { |
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grpc_socket_factory *sma = a; |
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grpc_socket_factory *smb = b; |
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c = GPR_ICMP(sma->vtable, smb->vtable); |
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if (c == 0) { |
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c = sma->vtable->compare(sma, smb); |
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} |
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} |
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return c; |
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} |
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grpc_socket_factory *grpc_socket_factory_ref(grpc_socket_factory *factory) { |
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gpr_ref(&factory->refcount); |
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return factory; |
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} |
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void grpc_socket_factory_unref(grpc_socket_factory *factory) { |
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if (gpr_unref(&factory->refcount)) { |
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factory->vtable->destroy(factory); |
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} |
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} |
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static void *socket_factory_arg_copy(void *p) { |
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return grpc_socket_factory_ref(p); |
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} |
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static void socket_factory_arg_destroy(grpc_exec_ctx *exec_ctx, void *p) { |
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grpc_socket_factory_unref(p); |
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} |
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static int socket_factory_cmp(void *a, void *b) { |
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return grpc_socket_factory_compare((grpc_socket_factory *)a, |
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(grpc_socket_factory *)b); |
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} |
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static const grpc_arg_pointer_vtable socket_factory_arg_vtable = { |
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socket_factory_arg_copy, socket_factory_arg_destroy, socket_factory_cmp}; |
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grpc_arg grpc_socket_factory_to_arg(grpc_socket_factory *factory) { |
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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_FACTORY; |
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arg.value.pointer.vtable = &socket_factory_arg_vtable; |
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arg.value.pointer.p = factory; |
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return arg; |
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} |
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#endif |
@ -0,0 +1,90 @@ |
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/*
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* |
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* Copyright 2017, 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_FACTORY_POSIX_H |
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#define GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_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 "src/core/lib/iomgr/resolve_address.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_factory */ |
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typedef struct { |
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/** Replacement for socket(2) */ |
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int (*socket)(grpc_socket_factory *factory, int domain, int type, |
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int protocol); |
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/** Replacement for bind(2) */ |
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int (*bind)(grpc_socket_factory *factory, int sockfd, |
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const grpc_resolved_address *addr); |
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/** Compare socket factory \a a and \a b */ |
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int (*compare)(grpc_socket_factory *a, grpc_socket_factory *b); |
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/** Destroys the socket factory instance */ |
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void (*destroy)(grpc_socket_factory *factory); |
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} grpc_socket_factory_vtable; |
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/** The Socket Factory interface allows changes on socket options */ |
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struct grpc_socket_factory { |
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const grpc_socket_factory_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_factory_init(grpc_socket_factory *factory, |
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const grpc_socket_factory_vtable *vtable); |
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/** Wrap \a factory as a grpc_arg */ |
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grpc_arg grpc_socket_factory_to_arg(grpc_socket_factory *factory); |
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/** Perform the equivalent of a socket(2) operation using \a factory */ |
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int grpc_socket_factory_socket(grpc_socket_factory *factory, int domain, |
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int type, int protocol); |
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/** Perform the equivalent of a bind(2) operation using \a factory */ |
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int grpc_socket_factory_bind(grpc_socket_factory *factory, int sockfd, |
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const grpc_resolved_address *addr); |
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/** Compare if \a a and \a b are the same factory or have same settings */ |
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int grpc_socket_factory_compare(grpc_socket_factory *a, grpc_socket_factory *b); |
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grpc_socket_factory *grpc_socket_factory_ref(grpc_socket_factory *factory); |
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void grpc_socket_factory_unref(grpc_socket_factory *factory); |
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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_FACTORY_POSIX_H */ |
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