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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 CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_
#define CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_
#pragma once
#include <string>
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/extensions/api/api_resource.h"
#include "net/base/io_buffer.h"
namespace net {
class AddressList;
class IPEndPoint;
class Socket;
}
namespace extensions {
// A Socket wraps a low-level socket and includes housekeeping information that
// we need to manage it in the context of an extension.
class Socket : public APIResource {
public:
virtual ~Socket();
// Returns net::OK if successful, or an error code otherwise.
virtual int Connect(const std::string& address, int port) = 0;
virtual void Disconnect() = 0;
virtual int Bind(const std::string& address, int port) = 0;
// Returns the number of bytes read into the buffer, or a negative number if
// an error occurred.
virtual int Read(scoped_refptr<net::IOBuffer> io_buffer,
int io_buffer_size) = 0;
// Returns the number of bytes successfully written, or a negative error
// code. Note that ERR_IO_PENDING means that the operation blocked, in which
// case |event_notifier| (supplied at socket creation) will eventually be
// called with the final result (again, either a nonnegative number of bytes
// written, or a negative error).
virtual int Write(scoped_refptr<net::IOBuffer> io_buffer,
int byte_count) = 0;
virtual int RecvFrom(scoped_refptr<net::IOBuffer> io_buffer,
int io_buffer_size,
net::IPEndPoint *address) = 0;
virtual int SendTo(scoped_refptr<net::IOBuffer> io_buffer,
int byte_count,
const std::string& address,
int port) = 0;
virtual void OnDataRead(scoped_refptr<net::IOBuffer> io_buffer,
net::IPEndPoint *address,
int result);
virtual void OnWriteComplete(int result);
static bool StringAndPortToAddressList(const std::string& ip_address_str,
int port,
net::AddressList* address_list);
static bool StringAndPortToIPEndPoint(const std::string& ip_address_str,
int port,
net::IPEndPoint* ip_end_point);
static void IPEndPointToStringAndPort(const net::IPEndPoint& address,
std::string* ip_address_str,
int* port);
protected:
explicit Socket(APIResourceEventNotifier* event_notifier);
const std::string address_;
int port_;
bool is_connected_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_
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