OpenTTD: src/network/core/tcp_http.h Source File

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tcp_http.h
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1 /* $Id: tcp_http.h 26509 2014-04-25 15:40:32Z rubidium $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
14 #ifndef NETWORK_CORE_TCP_HTTP_H
15 #define NETWORK_CORE_TCP_HTTP_H
16
17 #include "tcp.h"
18
19 #ifdef ENABLE_NETWORK
20
22 struct HTTPCallback {
27 virtual void OnFailure() = 0;
28
35 virtual void OnReceiveData(const char *data, size_t length) = 0;
36
38 virtual ~HTTPCallback() {}
39 };
40
42 class NetworkHTTPSocketHandler : public NetworkSocketHandler {
43 private:
44 char recv_buffer[4096];
45 int recv_pos;
46 int recv_length;
47 HTTPCallback *callback;
48 const char *data;
49 int redirect_depth;
50
51 int HandleHeader();
52 int Receive();
53 public:
54 SOCKET sock;
55
60 bool IsConnected() const
61 {
62 return this->sock != INVALID_SOCKET;
63 }
64
65 virtual NetworkRecvStatus CloseConnection(bool error = true);
66
67 NetworkHTTPSocketHandler(SOCKET sock, HTTPCallback *callback,
68 const char *host, const char *url, const char *data, int depth);
69
70 ~NetworkHTTPSocketHandler();
71
72 static int Connect(char *uri, HTTPCallback *callback,
73 const char *data = NULL, int depth = 0);
74
75 static void HTTPReceive();
76 };
77
79 class NetworkHTTPContentConnecter : TCPConnecter {
80 HTTPCallback *callback;
81 const char *url;
82 const char *data;
83 int depth;
84
85 public:
94 NetworkHTTPContentConnecter(const NetworkAddress &address,
95 HTTPCallback *callback, const char *url,
96 const char *data = NULL, int depth = 0) :
97 TCPConnecter(address),
98 callback(callback),
99 url(stredup(url)),
100 data(data),
101 depth(depth)
102 {
103 }
104
106 ~NetworkHTTPContentConnecter()
107 {
108 free(this->url);
109 }
110
111 virtual void OnFailure()
112 {
113 this->callback->OnFailure();
114 free(this->data);
115 }
116
117 virtual void OnConnect(SOCKET s)
118 {
119 new NetworkHTTPSocketHandler(s, this->callback, this->address.GetHostname(), this->url, this->data, this->depth);
120 /* We've relinquished control of data now. */
121 this->data = NULL;
122 }
123 };
124
125 #endif /* ENABLE_NETWORK */
126
127 #endif /* NETWORK_CORE_TCP_HTTP_H */