1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.transport.http; |
12 | |
|
13 | |
import org.mule.RequestContext; |
14 | |
import org.mule.api.transformer.TransformerException; |
15 | |
import org.mule.api.transport.Connector; |
16 | |
import org.mule.api.transport.OutputHandler; |
17 | |
import org.mule.util.SystemUtils; |
18 | |
|
19 | |
import java.io.DataOutputStream; |
20 | |
import java.io.IOException; |
21 | |
import java.io.InputStream; |
22 | |
import java.io.OutputStream; |
23 | |
import java.io.UnsupportedEncodingException; |
24 | |
import java.net.Socket; |
25 | |
import java.net.SocketException; |
26 | |
import java.util.Iterator; |
27 | |
|
28 | |
import org.apache.commons.httpclient.ChunkedOutputStream; |
29 | |
import org.apache.commons.httpclient.Header; |
30 | |
import org.apache.commons.httpclient.HttpParser; |
31 | |
import org.apache.commons.httpclient.StatusLine; |
32 | |
import org.apache.commons.io.IOUtils; |
33 | |
import org.apache.commons.logging.Log; |
34 | |
import org.apache.commons.logging.LogFactory; |
35 | |
|
36 | |
|
37 | |
public class HttpServerConnection |
38 | |
{ |
39 | 0 | private static final Log logger = LogFactory.getLog(HttpServerConnection.class); |
40 | |
|
41 | |
private Socket socket; |
42 | |
private final InputStream in; |
43 | |
private final OutputStream out; |
44 | |
|
45 | 0 | private boolean keepAlive = false; |
46 | |
private final String encoding; |
47 | |
|
48 | |
public HttpServerConnection(final Socket socket, String encoding, HttpConnector connector) throws IOException |
49 | |
{ |
50 | 0 | super(); |
51 | |
|
52 | 0 | if (socket == null) |
53 | |
{ |
54 | 0 | throw new IllegalArgumentException("Socket may not be null"); |
55 | |
} |
56 | |
|
57 | 0 | this.socket = socket; |
58 | 0 | setSocketTcpNoDelay(); |
59 | 0 | this.socket.setKeepAlive(connector.isKeepAlive()); |
60 | |
|
61 | 0 | if (connector.getReceiveBufferSize() != Connector.INT_VALUE_NOT_SET |
62 | |
&& socket.getReceiveBufferSize() != connector.getReceiveBufferSize()) |
63 | |
{ |
64 | 0 | socket.setReceiveBufferSize(connector.getReceiveBufferSize()); |
65 | |
} |
66 | 0 | if (connector.getServerSoTimeout() != Connector.INT_VALUE_NOT_SET |
67 | |
&& socket.getSoTimeout() != connector.getServerSoTimeout()) |
68 | |
{ |
69 | 0 | socket.setSoTimeout(connector.getServerSoTimeout()); |
70 | |
} |
71 | |
|
72 | 0 | this.in = socket.getInputStream(); |
73 | 0 | this.out = new DataOutputStream(socket.getOutputStream()); |
74 | 0 | this.encoding = encoding; |
75 | 0 | } |
76 | |
|
77 | |
private void setSocketTcpNoDelay() throws IOException |
78 | |
{ |
79 | |
try |
80 | |
{ |
81 | 0 | socket.setTcpNoDelay(true); |
82 | |
} |
83 | 0 | catch (SocketException se) |
84 | |
{ |
85 | 0 | if (SystemUtils.IS_OS_SOLARIS || SystemUtils.IS_OS_SUN_OS) |
86 | |
{ |
87 | |
|
88 | |
|
89 | |
|
90 | 0 | if (logger.isDebugEnabled()) |
91 | |
{ |
92 | 0 | logger.debug("Failed to set tcpNoDelay on socket", se); |
93 | |
} |
94 | |
} |
95 | |
else |
96 | |
{ |
97 | 0 | throw se; |
98 | |
} |
99 | 0 | } |
100 | 0 | } |
101 | |
|
102 | |
public synchronized void close() |
103 | |
{ |
104 | |
try |
105 | |
{ |
106 | 0 | if (socket != null) |
107 | |
{ |
108 | 0 | if (logger.isDebugEnabled()) |
109 | |
{ |
110 | 0 | logger.debug("Closing: " + socket); |
111 | |
} |
112 | |
|
113 | |
try |
114 | |
{ |
115 | 0 | socket.shutdownOutput(); |
116 | |
} |
117 | 0 | catch (UnsupportedOperationException e) |
118 | |
{ |
119 | |
|
120 | 0 | } |
121 | |
|
122 | 0 | if (in != null) |
123 | |
{ |
124 | 0 | in.close(); |
125 | |
} |
126 | 0 | if (out != null) |
127 | |
{ |
128 | 0 | out.close(); |
129 | |
} |
130 | 0 | socket.close(); |
131 | |
} |
132 | |
} |
133 | 0 | catch (IOException e) |
134 | |
{ |
135 | 0 | if (logger.isDebugEnabled()) |
136 | |
{ |
137 | 0 | logger.debug("(Ignored) Error closing the socket: " + e.getMessage()); |
138 | |
} |
139 | |
} |
140 | |
finally |
141 | |
{ |
142 | 0 | socket = null; |
143 | 0 | } |
144 | 0 | } |
145 | |
|
146 | |
public synchronized boolean isOpen() |
147 | |
{ |
148 | 0 | return this.socket != null; |
149 | |
} |
150 | |
|
151 | |
public void setKeepAlive(boolean b) |
152 | |
{ |
153 | 0 | this.keepAlive = b; |
154 | 0 | } |
155 | |
|
156 | |
public boolean isKeepAlive() |
157 | |
{ |
158 | 0 | return this.keepAlive; |
159 | |
} |
160 | |
|
161 | |
public InputStream getInputStream() |
162 | |
{ |
163 | 0 | return this.in; |
164 | |
} |
165 | |
|
166 | |
public OutputStream getOutputStream() |
167 | |
{ |
168 | 0 | return this.out; |
169 | |
} |
170 | |
|
171 | |
|
172 | |
|
173 | |
|
174 | |
|
175 | |
|
176 | |
public ResponseWriter getWriter() throws UnsupportedEncodingException |
177 | |
{ |
178 | 0 | return new ResponseWriter(out); |
179 | |
} |
180 | |
|
181 | |
public HttpRequest readRequest() throws IOException |
182 | |
{ |
183 | |
try |
184 | |
{ |
185 | 0 | String line = readLine(); |
186 | 0 | if (line == null) |
187 | |
{ |
188 | 0 | return null; |
189 | |
} |
190 | 0 | return new HttpRequest(RequestLine.parseLine(line), HttpParser.parseHeaders(this.in, encoding), this.in, encoding); |
191 | |
} |
192 | 0 | catch (IOException e) |
193 | |
{ |
194 | 0 | close(); |
195 | 0 | throw e; |
196 | |
} |
197 | |
} |
198 | |
|
199 | |
public HttpResponse readResponse() throws IOException |
200 | |
{ |
201 | |
try |
202 | |
{ |
203 | 0 | String line = readLine(); |
204 | 0 | return new HttpResponse(new StatusLine(line), HttpParser.parseHeaders(this.in, encoding), this.in); |
205 | |
} |
206 | 0 | catch (IOException e) |
207 | |
{ |
208 | 0 | close(); |
209 | 0 | throw e; |
210 | |
} |
211 | |
} |
212 | |
|
213 | |
private String readLine() throws IOException |
214 | |
{ |
215 | |
String line; |
216 | |
|
217 | |
do |
218 | |
{ |
219 | 0 | line = HttpParser.readLine(in, encoding); |
220 | |
} |
221 | 0 | while (line != null && line.length() == 0); |
222 | |
|
223 | 0 | if (line == null) |
224 | |
{ |
225 | 0 | setKeepAlive(false); |
226 | 0 | return null; |
227 | |
} |
228 | |
|
229 | 0 | return line; |
230 | |
} |
231 | |
|
232 | |
public void writeRequest(final HttpRequest request) throws IOException |
233 | |
{ |
234 | 0 | if (request == null) |
235 | |
{ |
236 | 0 | return; |
237 | |
} |
238 | 0 | ResponseWriter writer = new ResponseWriter(this.out, encoding); |
239 | 0 | writer.println(request.getRequestLine().toString()); |
240 | 0 | Iterator item = request.getHeaderIterator(); |
241 | 0 | while (item.hasNext()) |
242 | |
{ |
243 | 0 | Header header = (Header) item.next(); |
244 | 0 | writer.print(header.toExternalForm()); |
245 | 0 | } |
246 | 0 | writer.println(); |
247 | 0 | writer.flush(); |
248 | |
|
249 | 0 | OutputStream outstream = this.out; |
250 | 0 | InputStream content = request.getBody(); |
251 | 0 | if (content != null) |
252 | |
{ |
253 | 0 | Header transferenc = request.getFirstHeader(HttpConstants.HEADER_TRANSFER_ENCODING); |
254 | 0 | if (transferenc != null) |
255 | |
{ |
256 | 0 | request.removeHeaders(HttpConstants.HEADER_CONTENT_LENGTH); |
257 | 0 | if (transferenc.getValue().indexOf(HttpConstants.TRANSFER_ENCODING_CHUNKED) != -1) |
258 | |
{ |
259 | 0 | outstream = new ChunkedOutputStream(outstream); |
260 | |
} |
261 | |
} |
262 | |
|
263 | 0 | IOUtils.copy(content, outstream); |
264 | |
|
265 | 0 | if (outstream instanceof ChunkedOutputStream) |
266 | |
{ |
267 | 0 | ((ChunkedOutputStream) outstream).finish(); |
268 | |
} |
269 | |
} |
270 | |
|
271 | 0 | outstream.flush(); |
272 | 0 | } |
273 | |
|
274 | |
public void writeResponse(final HttpResponse response) throws IOException, TransformerException |
275 | |
{ |
276 | 0 | if (response == null) |
277 | |
{ |
278 | 0 | return; |
279 | |
} |
280 | |
|
281 | 0 | if (!response.isKeepAlive()) |
282 | |
{ |
283 | 0 | Header header = new Header(HttpConstants.HEADER_CONNECTION, "close"); |
284 | 0 | response.setHeader(header); |
285 | |
} |
286 | |
|
287 | 0 | setKeepAlive(response.isKeepAlive()); |
288 | |
|
289 | 0 | ResponseWriter writer = new ResponseWriter(this.out, encoding); |
290 | 0 | OutputStream outstream = this.out; |
291 | |
|
292 | 0 | writer.println(response.getStatusLine()); |
293 | 0 | Iterator item = response.getHeaderIterator(); |
294 | 0 | while (item.hasNext()) |
295 | |
{ |
296 | 0 | Header header = (Header) item.next(); |
297 | 0 | writer.print(header.toExternalForm()); |
298 | 0 | } |
299 | 0 | writer.println(); |
300 | 0 | writer.flush(); |
301 | |
|
302 | 0 | OutputHandler content = response.getBody(); |
303 | 0 | if (content != null) |
304 | |
{ |
305 | 0 | Header transferenc = response.getFirstHeader(HttpConstants.HEADER_TRANSFER_ENCODING); |
306 | 0 | if (transferenc != null) |
307 | |
{ |
308 | 0 | response.removeHeaders(HttpConstants.HEADER_CONTENT_LENGTH); |
309 | 0 | if (transferenc.getValue().indexOf(HttpConstants.TRANSFER_ENCODING_CHUNKED) != -1) |
310 | |
{ |
311 | 0 | outstream = new ChunkedOutputStream(outstream); |
312 | |
} |
313 | |
} |
314 | |
|
315 | 0 | content.write(RequestContext.getEvent(), outstream); |
316 | |
|
317 | 0 | if (outstream instanceof ChunkedOutputStream) |
318 | |
{ |
319 | 0 | ((ChunkedOutputStream) outstream).finish(); |
320 | |
} |
321 | |
} |
322 | |
|
323 | 0 | outstream.flush(); |
324 | 0 | } |
325 | |
|
326 | |
public int getSocketTimeout() throws SocketException |
327 | |
{ |
328 | 0 | return this.socket.getSoTimeout(); |
329 | |
} |
330 | |
|
331 | |
public void setSocketTimeout(int timeout) throws SocketException |
332 | |
{ |
333 | 0 | this.socket.setSoTimeout(timeout); |
334 | 0 | } |
335 | |
} |