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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/iomgr/socket_mutator.h"
#include "src/core/lib/channel/channel_args.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((grpc_socket_mutator *)p);
}
static void socket_mutator_arg_destroy(grpc_exec_ctx *exec_ctx, void *p) {
grpc_socket_mutator_unref((grpc_socket_mutator *)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) {
return grpc_channel_arg_pointer_create((char *)GRPC_ARG_SOCKET_MUTATOR,
mutator, &socket_mutator_arg_vtable);
}
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