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| 1 // Copyright 2014 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 package org.chromium.net.impl; | |
| 6 | |
| 7 import android.util.Log; | |
| 8 | |
| 9 import org.chromium.base.annotations.CalledByNative; | |
| 10 import org.chromium.base.annotations.JNINamespace; | |
| 11 import org.chromium.base.annotations.SuppressFBWarnings; | |
| 12 import org.chromium.net.ChromiumUrlRequestError; | |
| 13 import org.chromium.net.ChromiumUrlRequestPriority; | |
| 14 import org.chromium.net.ChunkedWritableByteChannel; | |
| 15 import org.chromium.net.HttpUrlRequest; | |
| 16 import org.chromium.net.HttpUrlRequestListener; | |
| 17 import org.chromium.net.ResponseTooLargeException; | |
| 18 | |
| 19 import java.io.IOException; | |
| 20 import java.net.MalformedURLException; | |
| 21 import java.net.SocketTimeoutException; | |
| 22 import java.net.URL; | |
| 23 import java.net.UnknownHostException; | |
| 24 import java.nio.ByteBuffer; | |
| 25 import java.nio.channels.ReadableByteChannel; | |
| 26 import java.nio.channels.WritableByteChannel; | |
| 27 import java.util.ArrayList; | |
| 28 import java.util.HashMap; | |
| 29 import java.util.List; | |
| 30 import java.util.Map; | |
| 31 import java.util.Map.Entry; | |
| 32 | |
| 33 /** | |
| 34 * Network request using the native http stack implementation. | |
| 35 * @deprecated Use {@link CronetUrlRequest} instead. | |
| 36 */ | |
| 37 @JNINamespace("cronet") | |
| 38 @Deprecated | |
| 39 public class ChromiumUrlRequest implements HttpUrlRequest { | |
| 40 /** | |
| 41 * Native adapter object, owned by UrlRequest. | |
| 42 */ | |
| 43 private long mUrlRequestAdapter; | |
| 44 private final ChromiumUrlRequestContext mRequestContext; | |
| 45 private final String mUrl; | |
| 46 private final int mPriority; | |
| 47 private final Map<String, String> mHeaders; | |
| 48 private final WritableByteChannel mSink; | |
| 49 private Map<String, String> mAdditionalHeaders; | |
| 50 private String mUploadContentType; | |
| 51 private String mMethod; | |
| 52 private byte[] mUploadData; | |
| 53 private ReadableByteChannel mUploadChannel; | |
| 54 private boolean mChunkedUpload; | |
| 55 private IOException mSinkException; | |
| 56 private volatile boolean mStarted; | |
| 57 private volatile boolean mCanceled; | |
| 58 private volatile boolean mFinished; | |
| 59 private boolean mHeadersAvailable; | |
| 60 private long mUploadContentLength; | |
| 61 private final HttpUrlRequestListener mListener; | |
| 62 private boolean mBufferFullResponse; | |
| 63 private long mOffset; | |
| 64 private long mContentLengthLimit; | |
| 65 private boolean mCancelIfContentLengthOverLimit; | |
| 66 private boolean mContentLengthOverLimit; | |
| 67 private boolean mSkippingToOffset; | |
| 68 private long mSize; | |
| 69 | |
| 70 // Indicates whether redirects have been disabled. | |
| 71 private boolean mDisableRedirects; | |
| 72 | |
| 73 // Http status code. Default to 0. Populated in onResponseStarted(). | |
| 74 private int mHttpStatusCode = 0; | |
| 75 | |
| 76 // Http status text. Default to null. Populated in onResponseStarted(). | |
| 77 private String mHttpStatusText; | |
| 78 | |
| 79 // Content type. Default to null. Populated in onResponseStarted(). | |
| 80 private String mContentType; | |
| 81 | |
| 82 // Compressed content length as reported by the server. Populated in onRespo
nseStarted(). | |
| 83 private long mContentLength; | |
| 84 | |
| 85 // Native error code. Default to no error. Populated in onRequestComplete(). | |
| 86 private int mErrorCode = ChromiumUrlRequestError.SUCCESS; | |
| 87 | |
| 88 // Native error string. Default to null. Populated in onRequestComplete(). | |
| 89 private String mErrorString; | |
| 90 | |
| 91 // Protects access of mUrlRequestAdapter, mStarted, mCanceled, and mFinished
. | |
| 92 private final Object mLock = new Object(); | |
| 93 | |
| 94 public ChromiumUrlRequest(ChromiumUrlRequestContext requestContext, String u
rl, int priority, | |
| 95 Map<String, String> headers, HttpUrlRequestListener listener) { | |
| 96 this(requestContext, url, priority, headers, new ChunkedWritableByteChan
nel(), listener); | |
| 97 mBufferFullResponse = true; | |
| 98 } | |
| 99 | |
| 100 /** | |
| 101 * Constructor. | |
| 102 * | |
| 103 * @param requestContext The context. | |
| 104 * @param url The URL. | |
| 105 * @param priority Request priority, e.g. {@link #REQUEST_PRIORITY_MEDIUM}. | |
| 106 * @param headers HTTP headers. | |
| 107 * @param sink The output channel into which downloaded content will be | |
| 108 * written. | |
| 109 */ | |
| 110 public ChromiumUrlRequest(ChromiumUrlRequestContext requestContext, String u
rl, int priority, | |
| 111 Map<String, String> headers, WritableByteChannel sink, | |
| 112 HttpUrlRequestListener listener) { | |
| 113 if (requestContext == null) { | |
| 114 throw new NullPointerException("Context is required"); | |
| 115 } | |
| 116 if (url == null) { | |
| 117 throw new NullPointerException("URL is required"); | |
| 118 } | |
| 119 mRequestContext = requestContext; | |
| 120 mUrl = url; | |
| 121 mPriority = convertRequestPriority(priority); | |
| 122 mHeaders = headers; | |
| 123 mSink = sink; | |
| 124 mUrlRequestAdapter = nativeCreateRequestAdapter( | |
| 125 mRequestContext.getUrlRequestContextAdapter(), mUrl, mPriority); | |
| 126 mListener = listener; | |
| 127 } | |
| 128 | |
| 129 @Override | |
| 130 public void setOffset(long offset) { | |
| 131 mOffset = offset; | |
| 132 if (offset != 0) { | |
| 133 addHeader("Range", "bytes=" + offset + "-"); | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 /** | |
| 138 * The compressed content length as reported by the server. May be -1 if | |
| 139 * the server did not provide a length. Some servers may also report the | |
| 140 * wrong number. Since this is the compressed content length, and only | |
| 141 * uncompressed content is returned by the consumer, the consumer should | |
| 142 * not rely on this value. | |
| 143 */ | |
| 144 @Override | |
| 145 public long getContentLength() { | |
| 146 return mContentLength; | |
| 147 } | |
| 148 | |
| 149 @Override | |
| 150 public void setContentLengthLimit(long limit, boolean cancelEarly) { | |
| 151 mContentLengthLimit = limit; | |
| 152 mCancelIfContentLengthOverLimit = cancelEarly; | |
| 153 } | |
| 154 | |
| 155 @Override | |
| 156 public int getHttpStatusCode() { | |
| 157 // TODO(mef): Investigate the following: | |
| 158 // If we have been able to successfully resume a previously interrupted | |
| 159 // download, the status code will be 206, not 200. Since the rest of the | |
| 160 // application is expecting 200 to indicate success, we need to fake it. | |
| 161 if (mHttpStatusCode == 206) { | |
| 162 return 200; | |
| 163 } | |
| 164 return mHttpStatusCode; | |
| 165 } | |
| 166 | |
| 167 @Override | |
| 168 public String getHttpStatusText() { | |
| 169 return mHttpStatusText; | |
| 170 } | |
| 171 | |
| 172 /** | |
| 173 * Returns an exception if any, or null if the request has not completed or | |
| 174 * completed successfully. | |
| 175 */ | |
| 176 @Override | |
| 177 public IOException getException() { | |
| 178 if (mSinkException != null) { | |
| 179 return mSinkException; | |
| 180 } | |
| 181 | |
| 182 switch (mErrorCode) { | |
| 183 case ChromiumUrlRequestError.SUCCESS: | |
| 184 if (mContentLengthOverLimit) { | |
| 185 return new ResponseTooLargeException(); | |
| 186 } | |
| 187 return null; | |
| 188 case ChromiumUrlRequestError.UNKNOWN: | |
| 189 return new IOException(mErrorString); | |
| 190 case ChromiumUrlRequestError.MALFORMED_URL: | |
| 191 return new MalformedURLException("Malformed URL: " + mUrl); | |
| 192 case ChromiumUrlRequestError.CONNECTION_TIMED_OUT: | |
| 193 return new SocketTimeoutException("Connection timed out"); | |
| 194 case ChromiumUrlRequestError.UNKNOWN_HOST: | |
| 195 String host; | |
| 196 try { | |
| 197 host = new URL(mUrl).getHost(); | |
| 198 } catch (MalformedURLException e) { | |
| 199 host = mUrl; | |
| 200 } | |
| 201 return new UnknownHostException("Unknown host: " + host); | |
| 202 case ChromiumUrlRequestError.TOO_MANY_REDIRECTS: | |
| 203 return new IOException("Request failed because there were too " | |
| 204 + "many redirects or redirects have been disabled"); | |
| 205 default: | |
| 206 throw new IllegalStateException("Unrecognized error code: " + mE
rrorCode); | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 @Override | |
| 211 public ByteBuffer getByteBuffer() { | |
| 212 return ((ChunkedWritableByteChannel) getSink()).getByteBuffer(); | |
| 213 } | |
| 214 | |
| 215 @Override | |
| 216 public byte[] getResponseAsBytes() { | |
| 217 return ((ChunkedWritableByteChannel) getSink()).getBytes(); | |
| 218 } | |
| 219 | |
| 220 /** | |
| 221 * Adds a request header. Must be done before request has started. | |
| 222 */ | |
| 223 public void addHeader(String header, String value) { | |
| 224 synchronized (mLock) { | |
| 225 validateNotStarted(); | |
| 226 if (mAdditionalHeaders == null) { | |
| 227 mAdditionalHeaders = new HashMap<String, String>(); | |
| 228 } | |
| 229 mAdditionalHeaders.put(header, value); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 /** | |
| 234 * Sets data to upload as part of a POST or PUT request. | |
| 235 * | |
| 236 * @param contentType MIME type of the upload content or null if this is not | |
| 237 * an upload. | |
| 238 * @param data The content that needs to be uploaded. | |
| 239 */ | |
| 240 @Override | |
| 241 @SuppressFBWarnings("EI_EXPOSE_REP2") | |
| 242 public void setUploadData(String contentType, byte[] data) { | |
| 243 synchronized (mLock) { | |
| 244 validateNotStarted(); | |
| 245 validateContentType(contentType); | |
| 246 mUploadContentType = contentType; | |
| 247 mUploadData = data; | |
| 248 mUploadChannel = null; | |
| 249 mChunkedUpload = false; | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 /** | |
| 254 * Sets a readable byte channel to upload as part of a POST or PUT request. | |
| 255 * | |
| 256 * @param contentType MIME type of the upload content or null if this is not | |
| 257 * an upload request. | |
| 258 * @param channel The channel to read to read upload data from if this is an | |
| 259 * upload request. | |
| 260 * @param contentLength The length of data to upload. | |
| 261 */ | |
| 262 @Override | |
| 263 public void setUploadChannel( | |
| 264 String contentType, ReadableByteChannel channel, long contentLength)
{ | |
| 265 synchronized (mLock) { | |
| 266 validateNotStarted(); | |
| 267 validateContentType(contentType); | |
| 268 mUploadContentType = contentType; | |
| 269 mUploadChannel = channel; | |
| 270 mUploadContentLength = contentLength; | |
| 271 mUploadData = null; | |
| 272 mChunkedUpload = false; | |
| 273 } | |
| 274 } | |
| 275 | |
| 276 /** | |
| 277 * Sets this request up for chunked uploading. To upload data call | |
| 278 * {@link #appendChunk(ByteBuffer, boolean)} after {@link #start()}. | |
| 279 * | |
| 280 * @param contentType MIME type of the post content or null if this is not a | |
| 281 * POST request. | |
| 282 */ | |
| 283 public void setChunkedUpload(String contentType) { | |
| 284 synchronized (mLock) { | |
| 285 validateNotStarted(); | |
| 286 validateContentType(contentType); | |
| 287 mUploadContentType = contentType; | |
| 288 mChunkedUpload = true; | |
| 289 mUploadData = null; | |
| 290 mUploadChannel = null; | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 /** | |
| 295 * Uploads a new chunk. Must have called {@link #setChunkedUpload(String)} | |
| 296 * and {@link #start()}. | |
| 297 * | |
| 298 * @param chunk The data, which will not be modified. Its current position. | |
| 299 * must be zero. The last chunk can be empty, but all other | |
| 300 * chunks must be non-empty. | |
| 301 * @param isLastChunk Whether this chunk is the last one. | |
| 302 */ | |
| 303 public void appendChunk(ByteBuffer chunk, boolean isLastChunk) throws IOExce
ption { | |
| 304 if (!isLastChunk && !chunk.hasRemaining()) { | |
| 305 throw new IllegalArgumentException("Attempted to write empty buffer.
"); | |
| 306 } | |
| 307 if (chunk.position() != 0) { | |
| 308 throw new IllegalArgumentException("The position must be zero."); | |
| 309 } | |
| 310 synchronized (mLock) { | |
| 311 if (!mStarted) { | |
| 312 throw new IllegalStateException("Request not yet started."); | |
| 313 } | |
| 314 if (!mChunkedUpload) { | |
| 315 throw new IllegalStateException("Request not set for chunked upl
oadind."); | |
| 316 } | |
| 317 if (mUrlRequestAdapter == 0) { | |
| 318 throw new IOException("Native peer destroyed."); | |
| 319 } | |
| 320 nativeAppendChunk(mUrlRequestAdapter, chunk, chunk.limit(), isLastCh
unk); | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 @Override | |
| 325 public void setHttpMethod(String method) { | |
| 326 validateNotStarted(); | |
| 327 mMethod = method; | |
| 328 } | |
| 329 | |
| 330 @Override | |
| 331 public void disableRedirects() { | |
| 332 synchronized (mLock) { | |
| 333 validateNotStarted(); | |
| 334 validateNativeAdapterNotDestroyed(); | |
| 335 mDisableRedirects = true; | |
| 336 nativeDisableRedirects(mUrlRequestAdapter); | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 public WritableByteChannel getSink() { | |
| 341 return mSink; | |
| 342 } | |
| 343 | |
| 344 @Override | |
| 345 public void start() { | |
| 346 synchronized (mLock) { | |
| 347 if (mCanceled) { | |
| 348 return; | |
| 349 } | |
| 350 | |
| 351 validateNotStarted(); | |
| 352 validateNativeAdapterNotDestroyed(); | |
| 353 | |
| 354 mStarted = true; | |
| 355 | |
| 356 if (mHeaders != null && !mHeaders.isEmpty()) { | |
| 357 for (Entry<String, String> entry : mHeaders.entrySet()) { | |
| 358 nativeAddHeader(mUrlRequestAdapter, entry.getKey(), entry.ge
tValue()); | |
| 359 } | |
| 360 } | |
| 361 | |
| 362 if (mAdditionalHeaders != null) { | |
| 363 for (Entry<String, String> entry : mAdditionalHeaders.entrySet()
) { | |
| 364 nativeAddHeader(mUrlRequestAdapter, entry.getKey(), entry.ge
tValue()); | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 if (mUploadData != null && mUploadData.length > 0) { | |
| 369 nativeSetUploadData(mUrlRequestAdapter, mUploadContentType, mUpl
oadData); | |
| 370 } else if (mUploadChannel != null) { | |
| 371 nativeSetUploadChannel( | |
| 372 mUrlRequestAdapter, mUploadContentType, mUploadContentLe
ngth); | |
| 373 } else if (mChunkedUpload) { | |
| 374 nativeEnableChunkedUpload(mUrlRequestAdapter, mUploadContentType
); | |
| 375 } | |
| 376 | |
| 377 // Note: The above functions to set the upload body also set the | |
| 378 // method to POST, behind the scenes, so if mMethod is null but | |
| 379 // there's an upload body, the method will default to POST. | |
| 380 if (mMethod != null) { | |
| 381 nativeSetMethod(mUrlRequestAdapter, mMethod); | |
| 382 } | |
| 383 | |
| 384 nativeStart(mUrlRequestAdapter); | |
| 385 } | |
| 386 } | |
| 387 | |
| 388 @Override | |
| 389 public void cancel() { | |
| 390 synchronized (mLock) { | |
| 391 if (mCanceled) { | |
| 392 return; | |
| 393 } | |
| 394 | |
| 395 mCanceled = true; | |
| 396 | |
| 397 if (mUrlRequestAdapter != 0) { | |
| 398 nativeCancel(mUrlRequestAdapter); | |
| 399 } | |
| 400 } | |
| 401 } | |
| 402 | |
| 403 @Override | |
| 404 public boolean isCanceled() { | |
| 405 synchronized (mLock) { | |
| 406 return mCanceled; | |
| 407 } | |
| 408 } | |
| 409 | |
| 410 @Override | |
| 411 public String getNegotiatedProtocol() { | |
| 412 synchronized (mLock) { | |
| 413 validateNativeAdapterNotDestroyed(); | |
| 414 validateHeadersAvailable(); | |
| 415 return nativeGetNegotiatedProtocol(mUrlRequestAdapter); | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 @Override | |
| 420 public boolean wasCached() { | |
| 421 synchronized (mLock) { | |
| 422 validateNativeAdapterNotDestroyed(); | |
| 423 validateHeadersAvailable(); | |
| 424 return nativeGetWasCached(mUrlRequestAdapter); | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 @Override | |
| 429 public String getContentType() { | |
| 430 return mContentType; | |
| 431 } | |
| 432 | |
| 433 @Override | |
| 434 public String getHeader(String name) { | |
| 435 synchronized (mLock) { | |
| 436 validateNativeAdapterNotDestroyed(); | |
| 437 validateHeadersAvailable(); | |
| 438 return nativeGetHeader(mUrlRequestAdapter, name); | |
| 439 } | |
| 440 } | |
| 441 | |
| 442 // All response headers. | |
| 443 @Override | |
| 444 public Map<String, List<String>> getAllHeaders() { | |
| 445 synchronized (mLock) { | |
| 446 validateNativeAdapterNotDestroyed(); | |
| 447 validateHeadersAvailable(); | |
| 448 ResponseHeadersMap result = new ResponseHeadersMap(); | |
| 449 nativeGetAllHeaders(mUrlRequestAdapter, result); | |
| 450 return result; | |
| 451 } | |
| 452 } | |
| 453 | |
| 454 @Override | |
| 455 public String getUrl() { | |
| 456 return mUrl; | |
| 457 } | |
| 458 | |
| 459 private static int convertRequestPriority(int priority) { | |
| 460 switch (priority) { | |
| 461 case REQUEST_PRIORITY_IDLE: | |
| 462 return ChromiumUrlRequestPriority.IDLE; | |
| 463 case REQUEST_PRIORITY_LOWEST: | |
| 464 return ChromiumUrlRequestPriority.LOWEST; | |
| 465 case REQUEST_PRIORITY_LOW: | |
| 466 return ChromiumUrlRequestPriority.LOW; | |
| 467 case REQUEST_PRIORITY_MEDIUM: | |
| 468 return ChromiumUrlRequestPriority.MEDIUM; | |
| 469 case REQUEST_PRIORITY_HIGHEST: | |
| 470 return ChromiumUrlRequestPriority.HIGHEST; | |
| 471 default: | |
| 472 return ChromiumUrlRequestPriority.MEDIUM; | |
| 473 } | |
| 474 } | |
| 475 | |
| 476 private void onContentLengthOverLimit() { | |
| 477 mContentLengthOverLimit = true; | |
| 478 cancel(); | |
| 479 } | |
| 480 | |
| 481 /** | |
| 482 * A callback invoked when the response has been fully consumed. | |
| 483 */ | |
| 484 private void onRequestComplete() { | |
| 485 mErrorCode = nativeGetErrorCode(mUrlRequestAdapter); | |
| 486 mErrorString = nativeGetErrorString(mUrlRequestAdapter); | |
| 487 // When there is an error or redirects have been disabled, | |
| 488 // onResponseStarted is often not invoked. | |
| 489 // Populate status code and status text if that's the case. | |
| 490 // Note that besides redirects, these two fields may be set on the | |
| 491 // request for AUTH and CERT requests. | |
| 492 if (mErrorCode != ChromiumUrlRequestError.SUCCESS) { | |
| 493 mHttpStatusCode = nativeGetHttpStatusCode(mUrlRequestAdapter); | |
| 494 mHttpStatusText = nativeGetHttpStatusText(mUrlRequestAdapter); | |
| 495 } | |
| 496 mListener.onRequestComplete(this); | |
| 497 } | |
| 498 | |
| 499 private void validateNativeAdapterNotDestroyed() { | |
| 500 if (mUrlRequestAdapter == 0) { | |
| 501 throw new IllegalStateException("Adapter has been destroyed"); | |
| 502 } | |
| 503 } | |
| 504 | |
| 505 private void validateNotStarted() { | |
| 506 if (mStarted) { | |
| 507 throw new IllegalStateException("Request already started"); | |
| 508 } | |
| 509 } | |
| 510 | |
| 511 private void validateHeadersAvailable() { | |
| 512 if (!mHeadersAvailable) { | |
| 513 throw new IllegalStateException("Response headers not available"); | |
| 514 } | |
| 515 } | |
| 516 | |
| 517 private void validateContentType(String contentType) { | |
| 518 if (contentType == null) { | |
| 519 throw new NullPointerException("contentType is required"); | |
| 520 } | |
| 521 } | |
| 522 | |
| 523 // Private methods called by native library. | |
| 524 | |
| 525 /** | |
| 526 * If @CalledByNative method throws an exception, request gets canceled | |
| 527 * and exception could be retrieved from request using getException(). | |
| 528 */ | |
| 529 private void onCalledByNativeException(Exception e) { | |
| 530 mSinkException = new IOException("CalledByNative method has thrown an ex
ception", e); | |
| 531 Log.e(ChromiumUrlRequestContext.LOG_TAG, "Exception in CalledByNative me
thod", e); | |
| 532 try { | |
| 533 cancel(); | |
| 534 } catch (Exception cancel_exception) { | |
| 535 Log.e(ChromiumUrlRequestContext.LOG_TAG, "Exception trying to cancel
request", | |
| 536 cancel_exception); | |
| 537 } | |
| 538 } | |
| 539 | |
| 540 /** | |
| 541 * A callback invoked when the first chunk of the response has arrived. | |
| 542 */ | |
| 543 @CalledByNative | |
| 544 private void onResponseStarted() { | |
| 545 try { | |
| 546 mHttpStatusCode = nativeGetHttpStatusCode(mUrlRequestAdapter); | |
| 547 mHttpStatusText = nativeGetHttpStatusText(mUrlRequestAdapter); | |
| 548 mContentType = nativeGetContentType(mUrlRequestAdapter); | |
| 549 mContentLength = nativeGetContentLength(mUrlRequestAdapter); | |
| 550 mHeadersAvailable = true; | |
| 551 | |
| 552 if (mContentLengthLimit > 0 && mContentLength > mContentLengthLimit | |
| 553 && mCancelIfContentLengthOverLimit) { | |
| 554 onContentLengthOverLimit(); | |
| 555 return; | |
| 556 } | |
| 557 | |
| 558 if (mBufferFullResponse && mContentLength != -1 && !mContentLengthOv
erLimit) { | |
| 559 ((ChunkedWritableByteChannel) getSink()).setCapacity((int) mCont
entLength); | |
| 560 } | |
| 561 | |
| 562 if (mOffset != 0) { | |
| 563 // The server may ignore the request for a byte range, in which | |
| 564 // case status code will be 200, instead of 206. Note that we | |
| 565 // cannot call getHttpStatusCode as it rewrites 206 into 200. | |
| 566 if (mHttpStatusCode == 200) { | |
| 567 // TODO(mef): Revisit this logic. | |
| 568 if (mContentLength != -1) { | |
| 569 mContentLength -= mOffset; | |
| 570 } | |
| 571 mSkippingToOffset = true; | |
| 572 } else { | |
| 573 mSize = mOffset; | |
| 574 } | |
| 575 } | |
| 576 mListener.onResponseStarted(this); | |
| 577 } catch (Exception e) { | |
| 578 onCalledByNativeException(e); | |
| 579 } | |
| 580 } | |
| 581 | |
| 582 /** | |
| 583 * Consumes a portion of the response. | |
| 584 * | |
| 585 * @param byteBuffer The ByteBuffer to append. Must be a direct buffer, and | |
| 586 * no references to it may be retained after the method ends, as | |
| 587 * it wraps code managed on the native heap. | |
| 588 */ | |
| 589 @CalledByNative | |
| 590 private void onBytesRead(ByteBuffer buffer) { | |
| 591 try { | |
| 592 if (mContentLengthOverLimit) { | |
| 593 return; | |
| 594 } | |
| 595 | |
| 596 int size = buffer.remaining(); | |
| 597 mSize += size; | |
| 598 if (mSkippingToOffset) { | |
| 599 if (mSize <= mOffset) { | |
| 600 return; | |
| 601 } else { | |
| 602 mSkippingToOffset = false; | |
| 603 buffer.position((int) (mOffset - (mSize - size))); | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 boolean contentLengthOverLimit = | |
| 608 (mContentLengthLimit != 0 && mSize > mContentLengthLimit); | |
| 609 if (contentLengthOverLimit) { | |
| 610 buffer.limit(size - (int) (mSize - mContentLengthLimit)); | |
| 611 } | |
| 612 | |
| 613 while (buffer.hasRemaining()) { | |
| 614 mSink.write(buffer); | |
| 615 } | |
| 616 if (contentLengthOverLimit) { | |
| 617 onContentLengthOverLimit(); | |
| 618 } | |
| 619 } catch (Exception e) { | |
| 620 onCalledByNativeException(e); | |
| 621 } | |
| 622 } | |
| 623 | |
| 624 /** | |
| 625 * Notifies the listener, releases native data structures. | |
| 626 */ | |
| 627 @SuppressWarnings("unused") | |
| 628 @CalledByNative | |
| 629 private void finish() { | |
| 630 try { | |
| 631 synchronized (mLock) { | |
| 632 if (mDisableRedirects) { | |
| 633 mHeadersAvailable = true; | |
| 634 } | |
| 635 mFinished = true; | |
| 636 | |
| 637 if (mUrlRequestAdapter == 0) { | |
| 638 return; | |
| 639 } | |
| 640 try { | |
| 641 mSink.close(); | |
| 642 } catch (IOException e) { | |
| 643 // Ignore | |
| 644 } | |
| 645 try { | |
| 646 if (mUploadChannel != null && mUploadChannel.isOpen()) { | |
| 647 mUploadChannel.close(); | |
| 648 } | |
| 649 } catch (IOException e) { | |
| 650 // Ignore | |
| 651 } | |
| 652 onRequestComplete(); | |
| 653 nativeDestroyRequestAdapter(mUrlRequestAdapter); | |
| 654 mUrlRequestAdapter = 0; | |
| 655 } | |
| 656 } catch (Exception e) { | |
| 657 mSinkException = new IOException("Exception in finish", e); | |
| 658 } | |
| 659 } | |
| 660 | |
| 661 /** | |
| 662 * Appends header |name| with value |value| to |headersMap|. | |
| 663 */ | |
| 664 @SuppressWarnings("unused") | |
| 665 @CalledByNative | |
| 666 private void onAppendResponseHeader(ResponseHeadersMap headersMap, String na
me, String value) { | |
| 667 try { | |
| 668 if (!headersMap.containsKey(name)) { | |
| 669 headersMap.put(name, new ArrayList<String>()); | |
| 670 } | |
| 671 headersMap.get(name).add(value); | |
| 672 } catch (Exception e) { | |
| 673 onCalledByNativeException(e); | |
| 674 } | |
| 675 } | |
| 676 | |
| 677 /** | |
| 678 * Reads a sequence of bytes from upload channel into the given buffer. | |
| 679 * @param dest The buffer into which bytes are to be transferred. | |
| 680 * @return Returns number of bytes read (could be 0) or -1 and closes | |
| 681 * the channel if error occured. | |
| 682 */ | |
| 683 @SuppressWarnings("unused") | |
| 684 @CalledByNative | |
| 685 private int readFromUploadChannel(ByteBuffer dest) { | |
| 686 try { | |
| 687 if (mUploadChannel == null || !mUploadChannel.isOpen()) return -1; | |
| 688 int result = mUploadChannel.read(dest); | |
| 689 if (result < 0) { | |
| 690 mUploadChannel.close(); | |
| 691 return 0; | |
| 692 } | |
| 693 return result; | |
| 694 } catch (Exception e) { | |
| 695 onCalledByNativeException(e); | |
| 696 } | |
| 697 return -1; | |
| 698 } | |
| 699 | |
| 700 // Native methods are implemented in chromium_url_request.cc. | |
| 701 | |
| 702 private native long nativeCreateRequestAdapter( | |
| 703 long urlRequestContextAdapter, String url, int priority); | |
| 704 | |
| 705 private native void nativeAddHeader(long urlRequestAdapter, String name, Str
ing value); | |
| 706 | |
| 707 private native void nativeSetMethod(long urlRequestAdapter, String method); | |
| 708 | |
| 709 private native void nativeSetUploadData( | |
| 710 long urlRequestAdapter, String contentType, byte[] content); | |
| 711 | |
| 712 private native void nativeSetUploadChannel( | |
| 713 long urlRequestAdapter, String contentType, long contentLength); | |
| 714 | |
| 715 private native void nativeEnableChunkedUpload(long urlRequestAdapter, String
contentType); | |
| 716 | |
| 717 private native void nativeDisableRedirects(long urlRequestAdapter); | |
| 718 | |
| 719 private native void nativeAppendChunk( | |
| 720 long urlRequestAdapter, ByteBuffer chunk, int chunkSize, boolean isL
astChunk); | |
| 721 | |
| 722 private native void nativeStart(long urlRequestAdapter); | |
| 723 | |
| 724 private native void nativeCancel(long urlRequestAdapter); | |
| 725 | |
| 726 private native void nativeDestroyRequestAdapter(long urlRequestAdapter); | |
| 727 | |
| 728 private native int nativeGetErrorCode(long urlRequestAdapter); | |
| 729 | |
| 730 private native int nativeGetHttpStatusCode(long urlRequestAdapter); | |
| 731 | |
| 732 private native String nativeGetHttpStatusText(long urlRequestAdapter); | |
| 733 | |
| 734 private native String nativeGetErrorString(long urlRequestAdapter); | |
| 735 | |
| 736 private native String nativeGetContentType(long urlRequestAdapter); | |
| 737 | |
| 738 private native long nativeGetContentLength(long urlRequestAdapter); | |
| 739 | |
| 740 private native String nativeGetHeader(long urlRequestAdapter, String name); | |
| 741 | |
| 742 private native void nativeGetAllHeaders(long urlRequestAdapter, ResponseHead
ersMap headers); | |
| 743 | |
| 744 private native String nativeGetNegotiatedProtocol(long urlRequestAdapter); | |
| 745 | |
| 746 private native boolean nativeGetWasCached(long urlRequestAdapter); | |
| 747 | |
| 748 // Explicit class to work around JNI-generator generics confusion. | |
| 749 private static class ResponseHeadersMap extends HashMap<String, List<String>
> {} | |
| 750 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2339223002:
Cronet API Refactoring (Closed)
