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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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