1 // Copyright 2014 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 EXTENSIONS_BROWSER_API_SOCKET_UDP_SOCKET_H_ 6 #define EXTENSIONS_BROWSER_API_SOCKET_UDP_SOCKET_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "extensions/browser/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, const ReadCompletionCallback& callback) OVERRIDE; 27 virtual void RecvFrom(int count, 28 const RecvFromCompletionCallback& callback) OVERRIDE; 29 virtual void SendTo(scoped_refptr<net::IOBuffer> io_buffer, 30 int byte_count, 31 const std::string& address, 32 int port, 33 const CompletionCallback& callback) OVERRIDE; 34 35 virtual bool IsConnected() OVERRIDE; 36 37 virtual bool GetPeerAddress(net::IPEndPoint* address) OVERRIDE; 38 virtual bool GetLocalAddress(net::IPEndPoint* address) OVERRIDE; 39 virtual Socket::SocketType GetSocketType() const OVERRIDE; 40 41 bool IsBound(); 42 43 int JoinGroup(const std::string& address); 44 int LeaveGroup(const std::string& address); 45 46 int SetMulticastTimeToLive(int ttl); 47 int SetMulticastLoopbackMode(bool loopback); 48 49 const std::vector<std::string>& GetJoinedGroups() const; 50 51 protected: 52 virtual int WriteImpl(net::IOBuffer* io_buffer, 53 int io_buffer_size, 54 const net::CompletionCallback& callback) OVERRIDE; 55 56 private: 57 // Make net::IPEndPoint can be refcounted 58 typedef base::RefCountedData<net::IPEndPoint> IPEndPoint; 59 60 void OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer, int result); 61 void OnRecvFromComplete(scoped_refptr<net::IOBuffer> io_buffer, 62 scoped_refptr<IPEndPoint> address, 63 int result); 64 void OnSendToComplete(int result); 65 66 net::UDPSocket socket_; 67 68 ReadCompletionCallback read_callback_; 69 70 RecvFromCompletionCallback recv_from_callback_; 71 72 CompletionCallback send_to_callback_; 73 74 std::vector<std::string> multicast_groups_; 75 }; 76 77 // UDP Socket instances from the "sockets.udp" namespace. These are regular 78 // socket objects with additional properties related to the behavior defined in 79 // the "sockets.udp" namespace. 80 class ResumableUDPSocket : public UDPSocket { 81 public: 82 explicit ResumableUDPSocket(const std::string& owner_extension_id); 83 84 // Overriden from ApiResource 85 virtual bool IsPersistent() const OVERRIDE; 86 name()87 const std::string& name() const { return name_; } set_name(const std::string & name)88 void set_name(const std::string& name) { name_ = name; } 89 persistent()90 bool persistent() const { return persistent_; } set_persistent(bool persistent)91 void set_persistent(bool persistent) { persistent_ = persistent; } 92 buffer_size()93 int buffer_size() const { return buffer_size_; } set_buffer_size(int buffer_size)94 void set_buffer_size(int buffer_size) { buffer_size_ = buffer_size; } 95 paused()96 bool paused() const { return paused_; } set_paused(bool paused)97 void set_paused(bool paused) { paused_ = paused; } 98 99 private: 100 friend class ApiResourceManager<ResumableUDPSocket>; service_name()101 static const char* service_name() { return "ResumableUDPSocketManager"; } 102 103 // Application-defined string - see sockets_udp.idl. 104 std::string name_; 105 // Flag indicating whether the socket is left open when the application is 106 // suspended - see sockets_udp.idl. 107 bool persistent_; 108 // The size of the buffer used to receive data - see sockets_udp.idl. 109 int buffer_size_; 110 // Flag indicating whether a connected socket blocks its peer from sending 111 // more data - see sockets_udp.idl. 112 bool paused_; 113 }; 114 115 } // namespace extensions 116 117 #endif // EXTENSIONS_BROWSER_API_SOCKET_UDP_SOCKET_H_ 118