Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 1 | // |
| 2 | // ======================================================================== |
| 3 | // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| 4 | // ------------------------------------------------------------------------ |
| 5 | // All rights reserved. This program and the accompanying materials |
| 6 | // are made available under the terms of the Eclipse Public License v1.0 |
| 7 | // and Apache License v2.0 which accompanies this distribution. |
| 8 | // |
| 9 | // The Eclipse Public License is available at |
| 10 | // http://www.eclipse.org/legal/epl-v10.html |
| 11 | // |
| 12 | // The Apache License v2.0 is available at |
| 13 | // http://www.opensource.org/licenses/apache2.0.php |
| 14 | // |
| 15 | // You may elect to redistribute this code under either of these licenses. |
| 16 | // ======================================================================== |
| 17 | // |
| 18 | |
| 19 | |
| 20 | package org.eclipse.jetty.io.bio; |
| 21 | |
| 22 | import java.io.IOException; |
| 23 | import java.io.InputStream; |
| 24 | import java.io.OutputStream; |
| 25 | import java.net.SocketTimeoutException; |
| 26 | |
| 27 | import org.eclipse.jetty.io.Buffer; |
| 28 | import org.eclipse.jetty.io.EndPoint; |
| 29 | |
| 30 | public class StreamEndPoint implements EndPoint |
| 31 | { |
| 32 | InputStream _in; |
| 33 | OutputStream _out; |
| 34 | int _maxIdleTime; |
| 35 | boolean _ishut; |
| 36 | boolean _oshut; |
| 37 | |
| 38 | /** |
| 39 | * |
| 40 | */ |
| 41 | public StreamEndPoint(InputStream in, OutputStream out) |
| 42 | { |
| 43 | _in=in; |
| 44 | _out=out; |
| 45 | } |
| 46 | |
| 47 | public boolean isBlocking() |
| 48 | { |
| 49 | return true; |
| 50 | } |
| 51 | |
| 52 | public boolean blockReadable(long millisecs) throws IOException |
| 53 | { |
| 54 | return true; |
| 55 | } |
| 56 | |
| 57 | public boolean blockWritable(long millisecs) throws IOException |
| 58 | { |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | /* |
| 63 | * @see org.eclipse.io.BufferIO#isOpen() |
| 64 | */ |
| 65 | public boolean isOpen() |
| 66 | { |
| 67 | return _in!=null; |
| 68 | } |
| 69 | |
| 70 | /* |
| 71 | * @see org.eclipse.io.BufferIO#isOpen() |
| 72 | */ |
| 73 | public final boolean isClosed() |
| 74 | { |
| 75 | return !isOpen(); |
| 76 | } |
| 77 | |
| 78 | public void shutdownOutput() throws IOException |
| 79 | { |
| 80 | _oshut = true; |
| 81 | if (_ishut && _out!=null) |
| 82 | _out.close(); |
| 83 | } |
| 84 | |
| 85 | public boolean isInputShutdown() |
| 86 | { |
| 87 | return _ishut; |
| 88 | } |
| 89 | |
| 90 | public void shutdownInput() throws IOException |
| 91 | { |
| 92 | _ishut = true; |
| 93 | if (_oshut&&_in!=null) |
| 94 | _in.close(); |
| 95 | } |
| 96 | |
| 97 | public boolean isOutputShutdown() |
| 98 | { |
| 99 | return _oshut; |
| 100 | } |
| 101 | |
| 102 | /* |
| 103 | * @see org.eclipse.io.BufferIO#close() |
| 104 | */ |
| 105 | public void close() throws IOException |
| 106 | { |
| 107 | if (_in!=null) |
| 108 | _in.close(); |
| 109 | _in=null; |
| 110 | if (_out!=null) |
| 111 | _out.close(); |
| 112 | _out=null; |
| 113 | } |
| 114 | |
| 115 | protected void idleExpired() throws IOException |
| 116 | { |
| 117 | if (_in!=null) |
| 118 | _in.close(); |
| 119 | } |
| 120 | |
| 121 | /* (non-Javadoc) |
| 122 | * @see org.eclipse.io.BufferIO#fill(org.eclipse.io.Buffer) |
| 123 | */ |
| 124 | public int fill(Buffer buffer) throws IOException |
| 125 | { |
| 126 | if (_ishut) |
| 127 | return -1; |
| 128 | if (_in==null) |
| 129 | return 0; |
| 130 | |
| 131 | int space=buffer.space(); |
| 132 | if (space<=0) |
| 133 | { |
| 134 | if (buffer.hasContent()) |
| 135 | return 0; |
| 136 | throw new IOException("FULL"); |
| 137 | } |
| 138 | |
| 139 | try |
| 140 | { |
| 141 | int filled=buffer.readFrom(_in, space); |
| 142 | if (filled<0) |
| 143 | shutdownInput(); |
| 144 | return filled; |
| 145 | } |
| 146 | catch(SocketTimeoutException e) |
| 147 | { |
| 148 | idleExpired(); |
| 149 | return -1; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | /* (non-Javadoc) |
| 154 | * @see org.eclipse.io.BufferIO#flush(org.eclipse.io.Buffer) |
| 155 | */ |
| 156 | public int flush(Buffer buffer) throws IOException |
| 157 | { |
| 158 | if (_oshut) |
| 159 | return -1; |
| 160 | if (_out==null) |
| 161 | return 0; |
| 162 | int length=buffer.length(); |
| 163 | if (length>0) |
| 164 | buffer.writeTo(_out); |
| 165 | if (!buffer.isImmutable()) |
| 166 | buffer.clear(); |
| 167 | return length; |
| 168 | } |
| 169 | |
| 170 | /* (non-Javadoc) |
| 171 | * @see org.eclipse.io.BufferIO#flush(org.eclipse.io.Buffer, org.eclipse.io.Buffer, org.eclipse.io.Buffer) |
| 172 | */ |
| 173 | public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException |
| 174 | { |
| 175 | int len=0; |
| 176 | |
| 177 | if (header!=null) |
| 178 | { |
| 179 | int tw=header.length(); |
| 180 | if (tw>0) |
| 181 | { |
| 182 | int f=flush(header); |
| 183 | len=f; |
| 184 | if (f<tw) |
| 185 | return len; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | if (buffer!=null) |
| 190 | { |
| 191 | int tw=buffer.length(); |
| 192 | if (tw>0) |
| 193 | { |
| 194 | int f=flush(buffer); |
| 195 | if (f<0) |
| 196 | return len>0?len:f; |
| 197 | len+=f; |
| 198 | if (f<tw) |
| 199 | return len; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | if (trailer!=null) |
| 204 | { |
| 205 | int tw=trailer.length(); |
| 206 | if (tw>0) |
| 207 | { |
| 208 | int f=flush(trailer); |
| 209 | if (f<0) |
| 210 | return len>0?len:f; |
| 211 | len+=f; |
| 212 | } |
| 213 | } |
| 214 | return len; |
| 215 | } |
| 216 | |
| 217 | /* ------------------------------------------------------------ */ |
| 218 | /* |
| 219 | * @see org.eclipse.io.EndPoint#getLocalAddr() |
| 220 | */ |
| 221 | public String getLocalAddr() |
| 222 | { |
| 223 | return null; |
| 224 | } |
| 225 | |
| 226 | /* ------------------------------------------------------------ */ |
| 227 | /* |
| 228 | * @see org.eclipse.io.EndPoint#getLocalHost() |
| 229 | */ |
| 230 | public String getLocalHost() |
| 231 | { |
| 232 | return null; |
| 233 | } |
| 234 | |
| 235 | /* ------------------------------------------------------------ */ |
| 236 | /* |
| 237 | * @see org.eclipse.io.EndPoint#getLocalPort() |
| 238 | */ |
| 239 | public int getLocalPort() |
| 240 | { |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | /* ------------------------------------------------------------ */ |
| 245 | /* |
| 246 | * @see org.eclipse.io.EndPoint#getRemoteAddr() |
| 247 | */ |
| 248 | public String getRemoteAddr() |
| 249 | { |
| 250 | return null; |
| 251 | } |
| 252 | |
| 253 | /* ------------------------------------------------------------ */ |
| 254 | /* |
| 255 | * @see org.eclipse.io.EndPoint#getRemoteHost() |
| 256 | */ |
| 257 | public String getRemoteHost() |
| 258 | { |
| 259 | return null; |
| 260 | } |
| 261 | |
| 262 | /* ------------------------------------------------------------ */ |
| 263 | /* |
| 264 | * @see org.eclipse.io.EndPoint#getRemotePort() |
| 265 | */ |
| 266 | public int getRemotePort() |
| 267 | { |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | /* ------------------------------------------------------------ */ |
| 272 | /* |
| 273 | * @see org.eclipse.io.EndPoint#getConnection() |
| 274 | */ |
| 275 | public Object getTransport() |
| 276 | { |
| 277 | return null; |
| 278 | } |
| 279 | |
| 280 | /* ------------------------------------------------------------ */ |
| 281 | public InputStream getInputStream() |
| 282 | { |
| 283 | return _in; |
| 284 | } |
| 285 | |
| 286 | /* ------------------------------------------------------------ */ |
| 287 | public void setInputStream(InputStream in) |
| 288 | { |
| 289 | _in=in; |
| 290 | } |
| 291 | |
| 292 | /* ------------------------------------------------------------ */ |
| 293 | public OutputStream getOutputStream() |
| 294 | { |
| 295 | return _out; |
| 296 | } |
| 297 | |
| 298 | /* ------------------------------------------------------------ */ |
| 299 | public void setOutputStream(OutputStream out) |
| 300 | { |
| 301 | _out=out; |
| 302 | } |
| 303 | |
| 304 | |
| 305 | /* ------------------------------------------------------------ */ |
| 306 | public void flush() |
| 307 | throws IOException |
| 308 | { |
| 309 | if (_out != null) |
| 310 | _out.flush(); |
| 311 | } |
| 312 | |
| 313 | /* ------------------------------------------------------------ */ |
| 314 | public int getMaxIdleTime() |
| 315 | { |
| 316 | return _maxIdleTime; |
| 317 | } |
| 318 | |
| 319 | /* ------------------------------------------------------------ */ |
| 320 | public void setMaxIdleTime(int timeMs) throws IOException |
| 321 | { |
| 322 | _maxIdleTime=timeMs; |
| 323 | } |
| 324 | |
| 325 | } |