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_UDP_SOCKET_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_UDP_SOCKET_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "chrome/browser/extensions/api/socket/socket.h" 12 #include "net/udp/udp_socket.h" 13 14 namespace extensions { 15 16 class UDPSocket : public Socket { 17 public: 18 explicit UDPSocket(const std::string& owner_extension_id); 19 virtual ~UDPSocket(); 20 21 virtual void Connect(const std::string& address, 22 int port, 23 const CompletionCallback& callback) OVERRIDE; 24 virtual void Disconnect() OVERRIDE; 25 virtual int Bind(const std::string& address, int port) OVERRIDE; 26 virtual void Read(int count, 27 const ReadCompletionCallback& callback) OVERRIDE; 28 virtual void RecvFrom(int count, 29 const RecvFromCompletionCallback& callback) OVERRIDE; 30 virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer, 31 int byte_count, 32 const std::string& address, 33 int port, 34 const CompletionCallback& callback) OVERRIDE; 35 36 virtual bool IsConnected() OVERRIDE; 37 38 virtual bool GetPeerAddress(net::IPEndPoint* address) OVERRIDE; 39 virtual bool GetLocalAddress(net::IPEndPoint* address) OVERRIDE; 40 virtual Socket::SocketType GetSocketType() const OVERRIDE; 41 42 bool IsBound(); 43 44 int JoinGroup(const std::string& address); 45 int LeaveGroup(const std::string& address); 46 47 int SetMulticastTimeToLive(int ttl); 48 int SetMulticastLoopbackMode(bool loopback); 49 50 const std::vector<std::string>& GetJoinedGroups() const; 51 52 protected: 53 virtual int WriteImpl(net::IOBuffer* io_buffer, 54 int io_buffer_size, 55 const net::CompletionCallback& callback) OVERRIDE; 56 57 private: 58 // Make net::IPEndPoint can be refcounted 59 typedef base::RefCountedData<net::IPEndPoint> IPEndPoint; 60 61 void OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer, 62 int result); 63 void OnRecvFromComplete(scoped_refptr<net::IOBuffer> io_buffer, 64 scoped_refptr<IPEndPoint> address, 65 int result); 66 void OnSendToComplete(int result); 67 68 net::UDPSocket socket_; 69 70 ReadCompletionCallback read_callback_; 71 72 RecvFromCompletionCallback recv_from_callback_; 73 74 CompletionCallback send_to_callback_; 75 76 std::vector<std::string> multicast_groups_; 77 }; 78 79 // UDP Socket instances from the "sockets.udp" namespace. These are regular 80 // socket objects with additional properties related to the behavior defined in 81 // the "sockets.udp" namespace. 82 class ResumableUDPSocket : public UDPSocket { 83 public: 84 explicit ResumableUDPSocket(const std::string& owner_extension_id); 85 86 // Overriden from ApiResource 87 virtual bool IsPersistent() const OVERRIDE; 88 name()89 const std::string& name() const { return name_; } set_name(const std::string & name)90 void set_name(const std::string& name) { name_ = name; } 91 persistent()92 bool persistent() const { return persistent_; } set_persistent(bool persistent)93 void set_persistent(bool persistent) { persistent_ = persistent; } 94 buffer_size()95 int buffer_size() const { return buffer_size_; } set_buffer_size(int buffer_size)96 void set_buffer_size(int buffer_size) { buffer_size_ = buffer_size; } 97 paused()98 bool paused() const { return paused_; } set_paused(bool paused)99 void set_paused(bool paused) { paused_ = paused; } 100 101 private: 102 friend class ApiResourceManager<ResumableUDPSocket>; service_name()103 static const char* service_name() { 104 return "ResumableUDPSocketManager"; 105 } 106 107 // Application-defined string - see sockets_udp.idl. 108 std::string name_; 109 // Flag indicating whether the socket is left open when the application is 110 // suspended - see sockets_udp.idl. 111 bool persistent_; 112 // The size of the buffer used to receive data - see sockets_udp.idl. 113 int buffer_size_; 114 // Flag indicating whether a connected socket blocks its peer from sending 115 // more data - see sockets_udp.idl. 116 bool paused_; 117 }; 118 119 } // namespace extensions 120 121 #endif // CHROME_BROWSER_EXTENSIONS_API_SOCKET_UDP_SOCKET_H_ 122