| // 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_ |
| |
| #include <queue> |
| #include <string> |
| #include <utility> |
| |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "chrome/browser/extensions/api/api_resource.h" |
| #include "chrome/browser/extensions/api/api_resource_manager.h" |
| #include "net/base/completion_callback.h" |
| #include "net/base/io_buffer.h" |
| #include "net/base/ip_endpoint.h" |
| #include "net/socket/tcp_client_socket.h" |
| |
| namespace net { |
| class AddressList; |
| class IPEndPoint; |
| class Socket; |
| } |
| |
| namespace extensions { |
| |
| typedef base::Callback<void(int)> CompletionCallback; |
| typedef base::Callback<void(int, scoped_refptr<net::IOBuffer> io_buffer)> |
| ReadCompletionCallback; |
| typedef base::Callback< |
| void(int, scoped_refptr<net::IOBuffer> io_buffer, const std::string&, int)> |
| RecvFromCompletionCallback; |
| typedef base::Callback< |
| void(int, net::TCPClientSocket*)> AcceptCompletionCallback; |
| |
| // 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: |
| enum SocketType { |
| TYPE_TCP, |
| TYPE_UDP, |
| }; |
| |
| virtual ~Socket(); |
| virtual void Connect(const std::string& address, |
| int port, |
| const CompletionCallback& callback) = 0; |
| virtual void Disconnect() = 0; |
| virtual int Bind(const std::string& address, int port) = 0; |
| |
| // The |callback| will be called with the number of bytes read into the |
| // buffer, or a negative number if an error occurred. |
| virtual void Read(int count, |
| const ReadCompletionCallback& callback) = 0; |
| |
| // The |callback| will be called with |byte_count| or a negative number if an |
| // error occurred. |
| void Write(scoped_refptr<net::IOBuffer> io_buffer, |
| int byte_count, |
| const CompletionCallback& callback); |
| |
| virtual void RecvFrom(int count, |
| const RecvFromCompletionCallback& callback) = 0; |
| virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer, |
| int byte_count, |
| const std::string& address, |
| int port, |
| const CompletionCallback& callback) = 0; |
| |
| virtual bool SetKeepAlive(bool enable, int delay); |
| virtual bool SetNoDelay(bool no_delay); |
| virtual int Listen(const std::string& address, int port, int backlog, |
| std::string* error_msg); |
| virtual void Accept(const AcceptCompletionCallback &callback); |
| |
| virtual bool IsConnected() = 0; |
| |
| virtual bool GetPeerAddress(net::IPEndPoint* address) = 0; |
| virtual bool GetLocalAddress(net::IPEndPoint* address) = 0; |
| |
| virtual SocketType GetSocketType() const = 0; |
| |
| 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(const std::string& owner_extension_id_); |
| |
| void WriteData(); |
| virtual int WriteImpl(net::IOBuffer* io_buffer, |
| int io_buffer_size, |
| const net::CompletionCallback& callback) = 0; |
| virtual void OnWriteComplete(int result); |
| |
| const std::string address_; |
| bool is_connected_; |
| |
| private: |
| friend class ApiResourceManager<Socket>; |
| static const char* service_name() { |
| return "SocketManager"; |
| } |
| |
| struct WriteRequest { |
| WriteRequest(scoped_refptr<net::IOBuffer> io_buffer, |
| int byte_count, |
| const CompletionCallback& callback); |
| ~WriteRequest(); |
| scoped_refptr<net::IOBuffer> io_buffer; |
| int byte_count; |
| CompletionCallback callback; |
| int bytes_written; |
| }; |
| std::queue<WriteRequest> write_queue_; |
| scoped_refptr<net::IOBuffer> io_buffer_write_; |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_ |