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/*
*
* Copyright 2017 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.
*
*/
#ifndef GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_H
#define GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_H
#include <grpc/support/port_platform.h>
#include <grpc/impl/codegen/grpc_types.h>
#include <grpc/support/sync.h>
#include "src/core/lib/iomgr/resolve_address.h"
/** The virtual table of grpc_socket_factory */
typedef struct {
/** Replacement for socket(2) */
int (*socket)(grpc_socket_factory* factory, int domain, int type,
int protocol);
/** Replacement for bind(2) */
int (*bind)(grpc_socket_factory* factory, int sockfd,
const grpc_resolved_address* addr);
/** Compare socket factory \a a and \a b */
int (*compare)(grpc_socket_factory* a, grpc_socket_factory* b);
/** Destroys the socket factory instance */
void (*destroy)(grpc_socket_factory* factory);
} grpc_socket_factory_vtable;
/** The Socket Factory interface allows changes on socket options */
struct grpc_socket_factory {
const grpc_socket_factory_vtable* vtable;
gpr_refcount refcount;
};
/** called by concrete implementations to initialize the base struct */
void grpc_socket_factory_init(grpc_socket_factory* factory,
const grpc_socket_factory_vtable* vtable);
/** Wrap \a factory as a grpc_arg */
grpc_arg grpc_socket_factory_to_arg(grpc_socket_factory* factory);
/** Perform the equivalent of a socket(2) operation using \a factory */
int grpc_socket_factory_socket(grpc_socket_factory* factory, int domain,
int type, int protocol);
/** Perform the equivalent of a bind(2) operation using \a factory */
int grpc_socket_factory_bind(grpc_socket_factory* factory, int sockfd,
const grpc_resolved_address* addr);
/** Compare if \a a and \a b are the same factory or have same settings */
int grpc_socket_factory_compare(grpc_socket_factory* a, grpc_socket_factory* b);
grpc_socket_factory* grpc_socket_factory_ref(grpc_socket_factory* factory);
void grpc_socket_factory_unref(grpc_socket_factory* factory);
#endif /* GRPC_CORE_LIB_IOMGR_SOCKET_FACTORY_POSIX_H */
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