Upstream version 11.40.277.0
[platform/framework/web/crosswalk.git] / src / net / server / http_server.h
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 NET_SERVER_HTTP_SERVER_H_
6 #define NET_SERVER_HTTP_SERVER_H_
7
8 #include <map>
9 #include <string>
10
11 #include "base/basictypes.h"
12 #include "base/macros.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/memory/weak_ptr.h"
15 #include "net/http/http_status_code.h"
16
17 namespace net {
18
19 class HttpConnection;
20 class HttpServerRequestInfo;
21 class HttpServerResponseInfo;
22 class IPEndPoint;
23 class ServerSocket;
24 class StreamSocket;
25 class WebSocket;
26
27 class HttpServer {
28  public:
29   // Delegate to handle http/websocket events. Beware that it is not safe to
30   // destroy the HttpServer in any of these callbacks.
31   class Delegate {
32    public:
33     virtual void OnConnect(int connection_id) = 0;
34     virtual void OnHttpRequest(int connection_id,
35                                const HttpServerRequestInfo& info) = 0;
36     virtual void OnWebSocketRequest(int connection_id,
37                                     const HttpServerRequestInfo& info) = 0;
38     virtual void OnWebSocketMessage(int connection_id,
39                                     const std::string& data) = 0;
40     virtual void OnClose(int connection_id) = 0;
41   };
42
43   // Instantiates a http server with |server_socket| which already started
44   // listening, but not accepting.  This constructor schedules accepting
45   // connections asynchronously in case when |delegate| is not ready to get
46   // callbacks yet.
47   HttpServer(scoped_ptr<ServerSocket> server_socket,
48              HttpServer::Delegate* delegate);
49   ~HttpServer();
50
51   void AcceptWebSocket(int connection_id,
52                        const HttpServerRequestInfo& request);
53   void SendOverWebSocket(int connection_id, const std::string& data);
54   // Sends the provided data directly to the given connection. No validation is
55   // performed that data constitutes a valid HTTP response. A valid HTTP
56   // response may be split across multiple calls to SendRaw.
57   void SendRaw(int connection_id, const std::string& data);
58   // TODO(byungchul): Consider replacing function name with SendResponseInfo
59   void SendResponse(int connection_id, const HttpServerResponseInfo& response);
60   void Send(int connection_id,
61             HttpStatusCode status_code,
62             const std::string& data,
63             const std::string& mime_type);
64   void Send200(int connection_id,
65                const std::string& data,
66                const std::string& mime_type);
67   void Send404(int connection_id);
68   void Send500(int connection_id, const std::string& message);
69
70   void Close(int connection_id);
71
72   void SetReceiveBufferSize(int connection_id, int32 size);
73   void SetSendBufferSize(int connection_id, int32 size);
74
75   // Copies the local address to |address|. Returns a network error code.
76   int GetLocalAddress(IPEndPoint* address);
77
78  private:
79   friend class HttpServerTest;
80
81   typedef std::map<int, HttpConnection*> IdToConnectionMap;
82
83   void DoAcceptLoop();
84   void OnAcceptCompleted(int rv);
85   int HandleAcceptResult(int rv);
86
87   void DoReadLoop(HttpConnection* connection);
88   void OnReadCompleted(int connection_id, int rv);
89   int HandleReadResult(HttpConnection* connection, int rv);
90
91   void DoWriteLoop(HttpConnection* connection);
92   void OnWriteCompleted(int connection_id, int rv);
93   int HandleWriteResult(HttpConnection* connection, int rv);
94
95   // Expects the raw data to be stored in recv_data_. If parsing is successful,
96   // will remove the data parsed from recv_data_, leaving only the unused
97   // recv data.
98   bool ParseHeaders(const char* data,
99                     size_t data_len,
100                     HttpServerRequestInfo* info,
101                     size_t* pos);
102
103   HttpConnection* FindConnection(int connection_id);
104
105   // Whether or not Close() has been called during delegate callback processing.
106   bool HasClosedConnection(HttpConnection* connection);
107
108   const scoped_ptr<ServerSocket> server_socket_;
109   scoped_ptr<StreamSocket> accepted_socket_;
110   HttpServer::Delegate* const delegate_;
111
112   int last_id_;
113   IdToConnectionMap id_to_connection_;
114
115   base::WeakPtrFactory<HttpServer> weak_ptr_factory_;
116
117   DISALLOW_COPY_AND_ASSIGN(HttpServer);
118 };
119
120 }  // namespace net
121
122 #endif // NET_SERVER_HTTP_SERVER_H_