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// Copyright (c) 2012 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 REMOTING_PROTOCOL_FAKE_SESSION_H_
#define REMOTING_PROTOCOL_FAKE_SESSION_H_
#include <map>
#include <string>
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "net/base/completion_callback.h"
#include "net/socket/socket.h"
#include "net/socket/stream_socket.h"
#include "remoting/protocol/channel_factory.h"
#include "remoting/protocol/session.h"
namespace base {
class MessageLoop;
}
namespace remoting {
namespace protocol {
extern const char kTestJid[];
// FakeSocket implement net::Socket interface for FakeConnection. All data
// written to FakeSocket is stored in a buffer returned by written_data().
// Read() reads data from another buffer that can be set with AppendInputData().
// Pending reads are supported, so if there is a pending read AppendInputData()
// calls the read callback.
//
// Two fake sockets can be connected to each other using the
// PairWith() method, e.g.: a->PairWith(b). After this all data
// written to |a| can be read from |b| and vica versa. Two connected
// sockets |a| and |b| must be created and used on the same thread.
class FakeSocket : public net::StreamSocket {
public:
FakeSocket();
virtual ~FakeSocket();
const std::string& written_data() const { return written_data_; }
void set_write_limit(int write_limit) { write_limit_ = write_limit; }
void set_async_write(bool async_write) { async_write_ = async_write; }
void set_next_write_error(int error) { next_write_error_ = error; }
void set_next_read_error(int error) { next_read_error_ = error; }
void AppendInputData(const std::vector<char>& data);
void PairWith(FakeSocket* peer_socket);
int input_pos() const { return input_pos_; }
bool read_pending() const { return read_pending_; }
// net::Socket implementation.
virtual int Read(net::IOBuffer* buf, int buf_len,
const net::CompletionCallback& callback) OVERRIDE;
virtual int Write(net::IOBuffer* buf, int buf_len,
const net::CompletionCallback& callback) OVERRIDE;
virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
virtual bool SetSendBufferSize(int32 size) OVERRIDE;
// net::StreamSocket interface.
virtual int Connect(const net::CompletionCallback& callback) OVERRIDE;
virtual void Disconnect() OVERRIDE;
virtual bool IsConnected() const OVERRIDE;
virtual bool IsConnectedAndIdle() const OVERRIDE;
virtual int GetPeerAddress(net::IPEndPoint* address) const OVERRIDE;
virtual int GetLocalAddress(net::IPEndPoint* address) const OVERRIDE;
virtual const net::BoundNetLog& NetLog() const OVERRIDE;
virtual void SetSubresourceSpeculation() OVERRIDE;
virtual void SetOmniboxSpeculation() OVERRIDE;
virtual bool WasEverUsed() const OVERRIDE;
virtual bool UsingTCPFastOpen() const OVERRIDE;
virtual bool WasNpnNegotiated() const OVERRIDE;
virtual net::NextProto GetNegotiatedProtocol() const OVERRIDE;
virtual bool GetSSLInfo(net::SSLInfo* ssl_info) OVERRIDE;
private:
void DoAsyncWrite(scoped_refptr<net::IOBuffer> buf, int buf_len,
const net::CompletionCallback& callback);
void DoWrite(net::IOBuffer* buf, int buf_len);
bool async_write_;
bool write_pending_;
int write_limit_;
int next_write_error_;
int next_read_error_;
bool read_pending_;
scoped_refptr<net::IOBuffer> read_buffer_;
int read_buffer_size_;
net::CompletionCallback read_callback_;
base::WeakPtr<FakeSocket> peer_socket_;
std::string written_data_;
std::string input_data_;
int input_pos_;
net::BoundNetLog net_log_;
base::MessageLoop* message_loop_;
base::WeakPtrFactory<FakeSocket> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeSocket);
};
// FakeUdpSocket is similar to FakeSocket but behaves as UDP socket. All written
// packets are stored separetely in written_packets(). AppendInputPacket() adds
// one packet that will be returned by Read().
class FakeUdpSocket : public net::Socket {
public:
FakeUdpSocket();
virtual ~FakeUdpSocket();
const std::vector<std::string>& written_packets() const {
return written_packets_;
}
void AppendInputPacket(const char* data, int data_size);
int input_pos() const { return input_pos_; }
// net::Socket implementation.
virtual int Read(net::IOBuffer* buf, int buf_len,
const net::CompletionCallback& callback) OVERRIDE;
virtual int Write(net::IOBuffer* buf, int buf_len,
const net::CompletionCallback& callback) OVERRIDE;
virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
virtual bool SetSendBufferSize(int32 size) OVERRIDE;
private:
bool read_pending_;
scoped_refptr<net::IOBuffer> read_buffer_;
int read_buffer_size_;
net::CompletionCallback read_callback_;
std::vector<std::string> written_packets_;
std::vector<std::string> input_packets_;
int input_pos_;
base::MessageLoop* message_loop_;
DISALLOW_COPY_AND_ASSIGN(FakeUdpSocket);
};
// FakeSession is a dummy protocol::Session that uses FakeSocket for all
// channels.
class FakeSession : public Session,
public ChannelFactory {
public:
FakeSession();
virtual ~FakeSession();
EventHandler* event_handler() { return event_handler_; }
void set_async_creation(bool async_creation) {
async_creation_ = async_creation;
}
void set_error(ErrorCode error) { error_ = error; }
bool is_closed() const { return closed_; }
FakeSocket* GetStreamChannel(const std::string& name);
FakeUdpSocket* GetDatagramChannel(const std::string& name);
// Session interface.
virtual void SetEventHandler(EventHandler* event_handler) OVERRIDE;
virtual ErrorCode error() OVERRIDE;
virtual const std::string& jid() OVERRIDE;
virtual const CandidateSessionConfig* candidate_config() OVERRIDE;
virtual const SessionConfig& config() OVERRIDE;
virtual void set_config(const SessionConfig& config) OVERRIDE;
virtual ChannelFactory* GetTransportChannelFactory() OVERRIDE;
virtual ChannelFactory* GetMultiplexedChannelFactory() OVERRIDE;
virtual void Close() OVERRIDE;
// ChannelFactory interface.
virtual void CreateStreamChannel(
const std::string& name,
const StreamChannelCallback& callback) OVERRIDE;
virtual void CreateDatagramChannel(
const std::string& name,
const DatagramChannelCallback& callback) OVERRIDE;
virtual void CancelChannelCreation(const std::string& name) OVERRIDE;
public:
void NotifyStreamChannelCallback(
const std::string& name,
const StreamChannelCallback& callback);
void NotifyDatagramChannelCallback(
const std::string& name,
const DatagramChannelCallback& callback);
EventHandler* event_handler_;
scoped_ptr<const CandidateSessionConfig> candidate_config_;
SessionConfig config_;
base::MessageLoop* message_loop_;
bool async_creation_;
std::map<std::string, FakeSocket*> stream_channels_;
std::map<std::string, FakeUdpSocket*> datagram_channels_;
std::string jid_;
ErrorCode error_;
bool closed_;
base::WeakPtrFactory<FakeSession> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeSession);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_FAKE_SESSION_H_
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