| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "src/core/lib/iomgr/socket_mutator.h" |
| |
| #include <grpc/impl/codegen/grpc_types.h> |
| #include <grpc/support/sync.h> |
| #include <grpc/support/useful.h> |
| |
| void grpc_socket_mutator_init(grpc_socket_mutator *mutator, |
| const grpc_socket_mutator_vtable *vtable) { |
| mutator->vtable = vtable; |
| gpr_ref_init(&mutator->refcount, 1); |
| } |
| |
| grpc_socket_mutator *grpc_socket_mutator_ref(grpc_socket_mutator *mutator) { |
| gpr_ref(&mutator->refcount); |
| return mutator; |
| } |
| |
| bool grpc_socket_mutator_mutate_fd(grpc_socket_mutator *mutator, int fd) { |
| return mutator->vtable->mutate_fd(fd, mutator); |
| } |
| |
| int grpc_socket_mutator_compare(grpc_socket_mutator *a, |
| grpc_socket_mutator *b) { |
| int c = GPR_ICMP(a, b); |
| if (c != 0) { |
| grpc_socket_mutator *sma = a; |
| grpc_socket_mutator *smb = b; |
| c = GPR_ICMP(sma->vtable, smb->vtable); |
| if (c == 0) { |
| c = sma->vtable->compare(sma, smb); |
| } |
| } |
| return c; |
| } |
| |
| void grpc_socket_mutator_unref(grpc_socket_mutator *mutator) { |
| if (gpr_unref(&mutator->refcount)) { |
| mutator->vtable->destory(mutator); |
| } |
| } |
| |
| static void *socket_mutator_arg_copy(void *p) { |
| return grpc_socket_mutator_ref(p); |
| } |
| |
| static void socket_mutator_arg_destroy(grpc_exec_ctx *exec_ctx, void *p) { |
| grpc_socket_mutator_unref(p); |
| } |
| |
| static int socket_mutator_cmp(void *a, void *b) { |
| return grpc_socket_mutator_compare((grpc_socket_mutator *)a, |
| (grpc_socket_mutator *)b); |
| } |
| |
| static const grpc_arg_pointer_vtable socket_mutator_arg_vtable = { |
| socket_mutator_arg_copy, socket_mutator_arg_destroy, socket_mutator_cmp}; |
| |
| grpc_arg grpc_socket_mutator_to_arg(grpc_socket_mutator *mutator) { |
| grpc_arg arg; |
| arg.type = GRPC_ARG_POINTER; |
| arg.key = GRPC_ARG_SOCKET_MUTATOR; |
| arg.value.pointer.vtable = &socket_mutator_arg_vtable; |
| arg.value.pointer.p = mutator; |
| return arg; |
| } |