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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_SOCKET_UNIX_DOMAIN_CLIENT_SOCKET_POSIX_H_
#define NET_SOCKET_UNIX_DOMAIN_CLIENT_SOCKET_POSIX_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "net/base/completion_once_callback.h"
#include "net/base/net_export.h"
#include "net/log/net_log_with_source.h"
#include "net/socket/socket_descriptor.h"
#include "net/socket/stream_socket.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
namespace net {
class SocketPosix;
// A client socket that uses unix domain socket as the transport layer.
class NET_EXPORT UnixDomainClientSocket : public StreamSocket {
public:
// Builds a client socket with |socket_path|. The caller should call Connect()
// to connect to a server socket.
UnixDomainClientSocket(const std::string& socket_path,
bool use_abstract_namespace);
// Builds a client socket with SocketPosix which is already connected.
// UnixDomainServerSocket uses this after it accepts a connection.
explicit UnixDomainClientSocket(std::unique_ptr<SocketPosix> socket);
UnixDomainClientSocket(const UnixDomainClientSocket&) = delete;
UnixDomainClientSocket& operator=(const UnixDomainClientSocket&) = delete;
~UnixDomainClientSocket() override;
// StreamSocket implementation.
int Connect(CompletionOnceCallback callback) override;
void Disconnect() override;
bool IsConnected() const override;
bool IsConnectedAndIdle() const override;
int GetPeerAddress(IPEndPoint* address) const override;
int GetLocalAddress(IPEndPoint* address) const override;
const NetLogWithSource& NetLog() const override;
bool WasEverUsed() const override;
bool WasAlpnNegotiated() const override;
NextProto GetNegotiatedProtocol() const override;
bool GetSSLInfo(SSLInfo* ssl_info) override;
int64_t GetTotalReceivedBytes() const override;
void ApplySocketTag(const SocketTag& tag) override;
// Socket implementation.
int Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) override;
int Write(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) override;
int SetReceiveBufferSize(int32_t size) override;
int SetSendBufferSize(int32_t size) override;
// Releases ownership of underlying SocketDescriptor to caller.
// Internal state is reset so that this object can be used again.
// Socket must be connected in order to release it.
SocketDescriptor ReleaseConnectedSocket();
private:
const std::string socket_path_;
const bool use_abstract_namespace_;
std::unique_ptr<SocketPosix> socket_;
// This net log is just to comply StreamSocket::NetLog(). It throws away
// everything.
NetLogWithSource net_log_;
};
} // namespace net
#endif // NET_SOCKET_UNIX_DOMAIN_CLIENT_SOCKET_POSIX_H_
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