source: cheroxy/trunk/src/CRXProxy.cpp@ 45

Last change on this file since 45 was 45, checked in by cheese, 11 years ago

#1 change access modifier of filter and http messages
File size: 5.8 KB
Line 
1/**
2 * CRXProxy.cpp
3 */
4
5#include "CRXProxy.h"
6
7#include <string.h>
8
9CRXFilter CRXProxy::mFilter;
10
11CRXProxy::CRXProxy (const int aSocket)
12 : mServerTimeout (0)
13{
14 /*----------------------------------------------------------------*/
15 if (aSocket < 0)
16 return ;
17
18 mClient = aSocket;
19 /*----------------------------------------------------------------*/
20}
21
22CRXProxy::~CRXProxy (void)
23{
24 /*----------------------------------------------------------------*/
25 Close ();
26 /*----------------------------------------------------------------*/
27}
28
29void
30CRXProxy::SetServerTimeout (const int aTimeout)
31{
32 /*----------------------------------------------------------------*/
33 mServerTimeout = aTimeout;
34 /*----------------------------------------------------------------*/
35}
36
37void
38CRXProxy::Close (void)
39{
40 /*----------------------------------------------------------------*/
41 mServer.Close ();
42 mClient.Close ();
43 /*----------------------------------------------------------------*/
44}
45
46int
47CRXProxy::Forward (void)
48{
49 int aResult = 0;
50
51 /*----------------------------------------------------------------*/
52 aResult = ReceiveRequest ();
53 if (aResult < 0)
54 {
55 aResult = ERROR_PROXY_FAILED_TO_RECEIVE_REQUEST;
56 CRX_ERROR_SET (aResult, "Failed to receive from client.");
57 }
58
59 aResult = SendRequest ();
60 if (aResult < 0)
61 {
62 aResult = ERROR_PROXY_FAILED_TO_SEND_REQUEST;
63 CRX_ERROR_SET (aResult, "Failed to send to server.");
64 return aResult;
65 }
66
67 aResult = ReceiveResponse ();
68 if (aResult < 0)
69 {
70 aResult = ERROR_PROXY_FAILED_TO_RECEIVE_RESPONSE;
71 CRX_ERROR_SET (aResult, "Failed to receive from server.");
72 }
73
74 aResult = SendResponse ();
75 if (aResult < 0)
76 {
77 aResult = ERROR_PROXY_FAILED_TO_SEND_RESPONSE;
78 CRX_ERROR_SET (aResult, "Failed to send to client.");
79 return aResult;
80 }
81 /*----------------------------------------------------------------*/
82
83 return aResult;
84}
85
86int
87CRXProxy::ReceiveRequest (void)
88{
89 int aResult = 0;
90 char aBuffer;
91
92 std::string aHttpHeader;
93 /*----------------------------------------------------------------*/
94 for (;;)
95 {
96 aResult = mClient.Receive (&aBuffer, 1);
97 if (aResult < 0)
98 {
99 aResult = ERROR_PROXY_FAILED_TO_RECEIVE_REQUEST;
100 CRX_ADD_SUBCLASS_ERROR (mClient);
101 CRX_ERROR_SET (aResult, "Failed to receive from client.");
102 return aResult;
103 }
104 aHttpHeader += aBuffer;
105 if (aHttpHeader.rfind (CRLF2) != std::string::npos)
106 break;
107 }
108
109 mHttpRequest.SetHeader (aHttpHeader.c_str ());
110 /*----------------------------------------------------------------*/
111
112 return aResult < 0 ? aResult : 0;
113}
114
115int
116CRXProxy::SendRequest (void)
117{
118 int aResult = 0;
119 int aSize = mHttpRequest.GetHeader ().length ();
120
121 struct sockaddr_in aSockName;
122 socklen_t aSockLen = sizeof (aSockName);
123
124 /*----------------------------------------------------------------*/
125 if (!mServer)
126 {
127 /* connect */
128 aResult = mServer.Connect (mHttpRequest.GetHost (), mHttpRequest.GetPort (), mServerTimeout);
129 if (aResult < 0)
130 {
131 aResult = ERROR_PROXY_FAILED_TO_CONNECT_TO_SERVER;
132 CRX_ADD_SUBCLASS_ERROR (mServer);
133 CRX_ERROR_SET (aResult, "Failed to connect to server <%s>.", mHttpRequest.GetURL ().c_str ());
134 return aResult;
135 }
136 }
137
138 aResult = mServer.Send (mHttpRequest.GetHeader ().c_str (), aSize);
139 if (aResult != aSize)
140 {
141 CRX_ADD_SUBCLASS_ERROR (mServer);
142 CRX_ERROR_SET (aResult, "Failed to send to server <%s>.", mHttpRequest.GetURL ().c_str ());
143 }
144 /*----------------------------------------------------------------*/
145
146 return aResult < 0 ? aResult : 0;
147}
148
149int
150CRXProxy::ReceiveResponse (void)
151{
152 int aResult = 0;
153
154 const unsigned int aBufferSize = 1024 * 64;
155 char aBuffer[aBufferSize + 1] = {0x00, };
156
157 /*----------------------------------------------------------------*/
158 for (;;)
159 {
160 memset (aBuffer, 0x00, sizeof (aBuffer));
161
162 aResult = mServer.Receive (aBuffer, aBufferSize);
163 if (aResult < 0)
164 {
165 aResult = ERROR_PROXY_FAILED_TO_RECEIVE_REQUEST;
166 CRX_ADD_SUBCLASS_ERROR (mServer);
167 CRX_ERROR_SET (aResult, "Failed to receive from server.");
168 return aResult;
169 }
170
171 aResult = mHttpResponse.SetResponseAll (aBuffer, aResult);
172 if (aResult < 0)
173 {
174 aResult = ERROR_PROXY_FAILED_TO_SET_RESPONSE;
175 CRX_ERROR_SET (aResult, "Failed to set response.");
176 return aResult;
177 }
178 }
179 /*----------------------------------------------------------------*/
180
181 return aResult < 0 ? aResult : 0;
182}
183
184int
185CRXProxy::SendResponse (void)
186{
187 int aResult = 0;
188 int aSize = 0;
189
190 /*----------------------------------------------------------------*/
191 aSize = mHttpResponse.GetHeader ().length ();;
192 aResult = mClient.Send (mHttpResponse.GetHeader ().c_str (), aSize);
193 if (aResult != aSize)
194 {
195 CRX_ADD_SUBCLASS_ERROR (mClient);
196 CRX_ERROR_SET (aResult, "Failed to send to client.");
197 return aResult;
198 }
199
200 aSize = mHttpResponse.GetContentLength ();
201 aResult = mClient.Send (mHttpResponse.GetContentBody (), aSize);
202 if (aResult != aSize)
203 {
204 CRX_ADD_SUBCLASS_ERROR (mClient);
205 CRX_ERROR_SET (aResult, "Failed to send to client.");
206 }
207 /*----------------------------------------------------------------*/
208
209 return aResult < 0 ? aResult : 0;
210}
211
212CRXFilter &
213CRXProxy::GetFilter (void) const
214{
215 /*----------------------------------------------------------------*/
216 /*----------------------------------------------------------------*/
217
218 return mFilter;
219}
220
221CRXHttpRequest &
222CRXProxy::GetHttpRequest (void)
223{
224 /*----------------------------------------------------------------*/
225 /*----------------------------------------------------------------*/
226
227 return mHttpRequest;
228}
229
230CRXHttpResponse &
231CRXProxy::GetHttpResponse (void)
232{
233 /*----------------------------------------------------------------*/
234 /*----------------------------------------------------------------*/
235
236 return mHttpResponse;
237}
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