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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "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;
}
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