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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_ | |
| 7 | |
| 8 #include <queue> | |
| 9 #include <string> | |
| 10 #include <utility> | |
| 11 | |
| 12 #include "base/callback.h" | |
| 13 #include "base/memory/ref_counted.h" | |
| 14 #include "extensions/browser/api/api_resource.h" | |
| 15 #include "extensions/browser/api/api_resource_manager.h" | |
| 16 #include "net/base/completion_callback.h" | |
| 17 #include "net/base/io_buffer.h" | |
| 18 #include "net/base/ip_endpoint.h" | |
| 19 #include "net/socket/tcp_client_socket.h" | |
| 20 | |
| 21 namespace net { | |
| 22 class AddressList; | |
| 23 class IPEndPoint; | |
| 24 class Socket; | |
| 25 } | |
| 26 | |
| 27 namespace extensions { | |
| 28 | |
| 29 typedef base::Callback<void(int)> CompletionCallback; | |
| 30 typedef base::Callback<void(int, scoped_refptr<net::IOBuffer> io_buffer)> | |
| 31 ReadCompletionCallback; | |
| 32 typedef base::Callback< | |
| 33 void(int, scoped_refptr<net::IOBuffer> io_buffer, const std::string&, int)> | |
| 34 RecvFromCompletionCallback; | |
| 35 typedef base::Callback<void(int, net::TCPClientSocket*)> | |
| 36 AcceptCompletionCallback; | |
| 37 | |
| 38 // A Socket wraps a low-level socket and includes housekeeping information that | |
| 39 // we need to manage it in the context of an extension. | |
| 40 class Socket : public ApiResource { | |
| 41 public: | |
| 42 enum SocketType { TYPE_TCP, TYPE_UDP, }; | |
| 43 | |
| 44 virtual ~Socket(); | |
| 45 virtual void Connect(const std::string& address, | |
| 46 int port, | |
| 47 const CompletionCallback& callback) = 0; | |
| 48 virtual void Disconnect() = 0; | |
| 49 virtual int Bind(const std::string& address, int port) = 0; | |
| 50 | |
| 51 // The |callback| will be called with the number of bytes read into the | |
| 52 // buffer, or a negative number if an error occurred. | |
| 53 virtual void Read(int count, const ReadCompletionCallback& callback) = 0; | |
| 54 | |
| 55 // The |callback| will be called with |byte_count| or a negative number if an | |
| 56 // error occurred. | |
| 57 void Write(scoped_refptr<net::IOBuffer> io_buffer, | |
| 58 int byte_count, | |
| 59 const CompletionCallback& callback); | |
| 60 | |
| 61 virtual void RecvFrom(int count, | |
| 62 const RecvFromCompletionCallback& callback) = 0; | |
| 63 virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer, | |
| 64 int byte_count, | |
| 65 const std::string& address, | |
| 66 int port, | |
| 67 const CompletionCallback& callback) = 0; | |
| 68 | |
| 69 virtual bool SetKeepAlive(bool enable, int delay); | |
| 70 virtual bool SetNoDelay(bool no_delay); | |
| 71 virtual int Listen(const std::string& address, | |
| 72 int port, | |
| 73 int backlog, | |
| 74 std::string* error_msg); | |
| 75 virtual void Accept(const AcceptCompletionCallback& callback); | |
| 76 | |
| 77 virtual bool IsConnected() = 0; | |
| 78 | |
| 79 virtual bool GetPeerAddress(net::IPEndPoint* address) = 0; | |
| 80 virtual bool GetLocalAddress(net::IPEndPoint* address) = 0; | |
| 81 | |
| 82 virtual SocketType GetSocketType() const = 0; | |
| 83 | |
| 84 static bool StringAndPortToAddressList(const std::string& ip_address_str, | |
| 85 int port, | |
| 86 net::AddressList* address_list); | |
| 87 static bool StringAndPortToIPEndPoint(const std::string& ip_address_str, | |
| 88 int port, | |
| 89 net::IPEndPoint* ip_end_point); | |
| 90 static void IPEndPointToStringAndPort(const net::IPEndPoint& address, | |
| 91 std::string* ip_address_str, | |
| 92 int* port); | |
| 93 | |
| 94 protected: | |
| 95 explicit Socket(const std::string& owner_extension_id_); | |
| 96 | |
| 97 void WriteData(); | |
| 98 virtual int WriteImpl(net::IOBuffer* io_buffer, | |
| 99 int io_buffer_size, | |
| 100 const net::CompletionCallback& callback) = 0; | |
| 101 virtual void OnWriteComplete(int result); | |
| 102 | |
| 103 const std::string address_; | |
| 104 bool is_connected_; | |
| 105 | |
| 106 private: | |
| 107 friend class ApiResourceManager<Socket>; | |
| 108 static const char* service_name() { return "SocketManager"; } | |
| 109 | |
| 110 struct WriteRequest { | |
| 111 WriteRequest(scoped_refptr<net::IOBuffer> io_buffer, | |
| 112 int byte_count, | |
| 113 const CompletionCallback& callback); | |
| 114 ~WriteRequest(); | |
| 115 scoped_refptr<net::IOBuffer> io_buffer; | |
| 116 int byte_count; | |
| 117 CompletionCallback callback; | |
| 118 int bytes_written; | |
| 119 }; | |
| 120 std::queue<WriteRequest> write_queue_; | |
| 121 scoped_refptr<net::IOBuffer> io_buffer_write_; | |
| 122 }; | |
| 123 | |
| 124 } // namespace extensions | |
| 125 | |
| 126 #endif // CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_H_ | |
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