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// Copyright (c) 2011 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_PEPPER_P2P_CHANNEL_H_
#define REMOTING_PROTOCOL_PEPPER_P2P_CHANNEL_H_
#include <string>
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "net/socket/socket.h"
#include "ppapi/c/pp_stdint.h"
namespace pp {
class Instance;
class Transport_Dev;
} // namespace pp
namespace remoting {
namespace protocol {
// This class create P2PChannel based on the Pepper P2P Transport API
// and provides net::Socket interface on top of it.
class PepperP2PChannel : public base::NonThreadSafe,
public net::Socket {
public:
// TODO(sergeyu): Use cricket::Candidate instead of strings to
// represent candidates.
typedef base::Callback<void(const std::string&)> IncomingCandidateCallback;
PepperP2PChannel(pp::Instance* pp_instance, const char* name,
const IncomingCandidateCallback& candidate_callback);
virtual ~PepperP2PChannel();
bool Init();
// Adds candidate received from the peer.
void AddRemoteCandidate(const std::string& candidate);
// net::Socket interface.
virtual int Read(net::IOBuffer* buf, int buf_len,
net::CompletionCallback* callback);
virtual int Write(net::IOBuffer* buf, int buf_len,
net::CompletionCallback* callback);
virtual bool SetReceiveBufferSize(int32 size);
virtual bool SetSendBufferSize(int32 size);
private:
// Callbacks for PPAPI calls.
static void NextAddressCallback(void* data, int32_t result);
static void ReadCallback(void* data, int32_t result);
static void WriteCallback(void* data, int32_t result);
bool ProcessCandidates();
IncomingCandidateCallback candidate_callback_;
scoped_ptr<pp::Transport_Dev> transport_;
bool get_address_pending_;
net::CompletionCallback* read_callback_;
scoped_refptr<net::IOBuffer> read_buffer_;
net::CompletionCallback* write_callback_;
scoped_refptr<net::IOBuffer> write_buffer_;
DISALLOW_COPY_AND_ASSIGN(PepperP2PChannel);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_PEPPER_P2P_CHANNEL_H_
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