James Dong | e2693e5d | 2011-03-05 06:01:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "NuHTTPDataSource" |
| 19 | #include <utils/Log.h> |
| 20 | |
| 21 | #include "include/NuHTTPDataSource.h" |
| 22 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 23 | #include <cutils/properties.h> |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 24 | #include <media/stagefright/foundation/ALooper.h> |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 25 | #include <media/stagefright/MediaDebug.h> |
| 26 | #include <media/stagefright/MediaErrors.h> |
| 27 | |
| 28 | namespace android { |
| 29 | |
| 30 | static bool ParseSingleUnsignedLong( |
| 31 | const char *from, unsigned long *x) { |
| 32 | char *end; |
| 33 | *x = strtoul(from, &end, 10); |
| 34 | |
| 35 | if (end == from || *end != '\0') { |
| 36 | return false; |
| 37 | } |
| 38 | |
| 39 | return true; |
| 40 | } |
| 41 | |
| 42 | static bool ParseURL( |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 43 | const char *url, String8 *host, unsigned *port, |
| 44 | String8 *path, bool *https) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 45 | host->setTo(""); |
| 46 | *port = 0; |
| 47 | path->setTo(""); |
| 48 | |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 49 | size_t hostStart; |
| 50 | if (!strncasecmp("http://", url, 7)) { |
| 51 | hostStart = 7; |
| 52 | *https = false; |
| 53 | } else if (!strncasecmp("https://", url, 8)) { |
| 54 | hostStart = 8; |
| 55 | *https = true; |
| 56 | } else { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 57 | return false; |
| 58 | } |
| 59 | |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 60 | const char *slashPos = strchr(&url[hostStart], '/'); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 61 | |
| 62 | if (slashPos == NULL) { |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 63 | host->setTo(&url[hostStart]); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 64 | path->setTo("/"); |
| 65 | } else { |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 66 | host->setTo(&url[hostStart], slashPos - &url[hostStart]); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 67 | path->setTo(slashPos); |
| 68 | } |
| 69 | |
Mike Lockwood | 5a23f8c | 2010-07-15 14:58:25 -0400 | [diff] [blame] | 70 | const char *colonPos = strchr(host->string(), ':'); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 71 | |
| 72 | if (colonPos != NULL) { |
| 73 | unsigned long x; |
| 74 | if (!ParseSingleUnsignedLong(colonPos + 1, &x) || x >= 65536) { |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | *port = x; |
| 79 | |
| 80 | size_t colonOffset = colonPos - host->string(); |
| 81 | String8 tmp(host->string(), colonOffset); |
| 82 | *host = tmp; |
| 83 | } else { |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 84 | *port = (*https) ? 443 : 80; |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | return true; |
| 88 | } |
| 89 | |
Andreas Huber | 53182c4 | 2011-02-24 14:42:48 -0800 | [diff] [blame] | 90 | NuHTTPDataSource::NuHTTPDataSource(uint32_t flags) |
| 91 | : mFlags(flags), |
| 92 | mState(DISCONNECTED), |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 93 | mPort(0), |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 94 | mHTTPS(false), |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 95 | mOffset(0), |
| 96 | mContentLength(0), |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 97 | mContentLengthValid(false), |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 98 | mHasChunkedTransferEncoding(false), |
| 99 | mChunkDataBytesLeft(0), |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 100 | mNumBandwidthHistoryItems(0), |
| 101 | mTotalTransferTimeUs(0), |
| 102 | mTotalTransferBytes(0), |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 103 | mDecryptHandle(NULL), |
| 104 | mDrmManagerClient(NULL) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | NuHTTPDataSource::~NuHTTPDataSource() { |
Gloria Wang | c2dc472 | 2011-02-07 11:41:11 -0800 | [diff] [blame] | 108 | if (mDecryptHandle != NULL) { |
| 109 | // To release mDecryptHandle |
Gloria Wang | adc4d9c | 2011-02-08 13:24:08 -0800 | [diff] [blame] | 110 | CHECK(mDrmManagerClient); |
Gloria Wang | c2dc472 | 2011-02-07 11:41:11 -0800 | [diff] [blame] | 111 | mDrmManagerClient->closeDecryptSession(mDecryptHandle); |
| 112 | mDecryptHandle = NULL; |
| 113 | } |
| 114 | |
| 115 | if (mDrmManagerClient != NULL) { |
| 116 | delete mDrmManagerClient; |
| 117 | mDrmManagerClient = NULL; |
| 118 | } |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 119 | } |
| 120 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 121 | status_t NuHTTPDataSource::connect( |
| 122 | const char *uri, |
| 123 | const KeyedVector<String8, String8> *overrides, |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 124 | off64_t offset) { |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 125 | String8 headers; |
| 126 | MakeFullHeaders(overrides, &headers); |
| 127 | |
| 128 | return connect(uri, headers, offset); |
| 129 | } |
| 130 | |
| 131 | status_t NuHTTPDataSource::connect( |
| 132 | const char *uri, |
| 133 | const String8 &headers, |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 134 | off64_t offset) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 135 | String8 host, path; |
| 136 | unsigned port; |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 137 | |
| 138 | mUri = uri; |
Andreas Huber | a2e57ca | 2011-03-30 11:15:27 -0700 | [diff] [blame^] | 139 | mContentType = String8("application/octet-stream"); |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 140 | |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 141 | bool https; |
| 142 | if (!ParseURL(uri, &host, &port, &path, &https)) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 143 | return ERROR_MALFORMED; |
| 144 | } |
| 145 | |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 146 | return connect(host, port, path, https, headers, offset); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 147 | } |
| 148 | |
Andreas Huber | ab2116c | 2010-09-27 08:17:40 -0700 | [diff] [blame] | 149 | static bool IsRedirectStatusCode(int httpStatus) { |
| 150 | return httpStatus == 301 || httpStatus == 302 |
| 151 | || httpStatus == 303 || httpStatus == 307; |
| 152 | } |
| 153 | |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 154 | status_t NuHTTPDataSource::connect( |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 155 | const char *host, unsigned port, const char *path, |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 156 | bool https, |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 157 | const String8 &headers, |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 158 | off64_t offset) { |
Andreas Huber | 53182c4 | 2011-02-24 14:42:48 -0800 | [diff] [blame] | 159 | if (!(mFlags & kFlagIncognito)) { |
| 160 | LOGI("connect to %s:%u%s @%lld", host, port, path, offset); |
| 161 | } else { |
| 162 | LOGI("connect to <URL suppressed> @%lld", offset); |
| 163 | } |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 164 | |
| 165 | bool needsToReconnect = true; |
| 166 | |
| 167 | if (mState == CONNECTED && host == mHost && port == mPort |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 168 | && https == mHTTPS && offset == mOffset) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 169 | if (mContentLengthValid && mOffset == mContentLength) { |
| 170 | LOGI("Didn't have to reconnect, old one's still good."); |
| 171 | needsToReconnect = false; |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | mHost = host; |
| 176 | mPort = port; |
| 177 | mPath = path; |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 178 | mHTTPS = https; |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 179 | mHeaders = headers; |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 180 | |
| 181 | status_t err = OK; |
| 182 | |
| 183 | mState = CONNECTING; |
| 184 | |
| 185 | if (needsToReconnect) { |
| 186 | mHTTP.disconnect(); |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 187 | err = mHTTP.connect(host, port, https); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | if (err != OK) { |
| 191 | mState = DISCONNECTED; |
| 192 | } else if (mState != CONNECTING) { |
| 193 | err = UNKNOWN_ERROR; |
| 194 | } else { |
| 195 | mState = CONNECTED; |
| 196 | |
| 197 | mOffset = offset; |
| 198 | mContentLength = 0; |
| 199 | mContentLengthValid = false; |
| 200 | |
| 201 | String8 request("GET "); |
| 202 | request.append(mPath); |
| 203 | request.append(" HTTP/1.1\r\n"); |
| 204 | request.append("Host: "); |
| 205 | request.append(mHost); |
Andreas Huber | 3abb7dd | 2010-12-16 10:45:24 -0800 | [diff] [blame] | 206 | if (mPort != 80) { |
| 207 | request.append(StringPrintf(":%u", mPort).c_str()); |
| 208 | } |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 209 | request.append("\r\n"); |
| 210 | |
| 211 | if (offset != 0) { |
| 212 | char rangeHeader[128]; |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 213 | sprintf(rangeHeader, "Range: bytes=%lld-\r\n", offset); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 214 | request.append(rangeHeader); |
| 215 | } |
| 216 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 217 | request.append(mHeaders); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 218 | request.append("\r\n"); |
| 219 | |
| 220 | int httpStatus; |
| 221 | if ((err = mHTTP.send(request.string(), request.size())) != OK |
| 222 | || (err = mHTTP.receive_header(&httpStatus)) != OK) { |
| 223 | mHTTP.disconnect(); |
| 224 | mState = DISCONNECTED; |
| 225 | return err; |
| 226 | } |
| 227 | |
Andreas Huber | ab2116c | 2010-09-27 08:17:40 -0700 | [diff] [blame] | 228 | if (IsRedirectStatusCode(httpStatus)) { |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 229 | AString value; |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 230 | CHECK(mHTTP.find_header_value("Location", &value)); |
| 231 | |
| 232 | mState = DISCONNECTED; |
| 233 | |
| 234 | mHTTP.disconnect(); |
| 235 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 236 | return connect(value.c_str(), headers, offset); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 237 | } |
| 238 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 239 | if (httpStatus < 200 || httpStatus >= 300) { |
| 240 | mState = DISCONNECTED; |
| 241 | mHTTP.disconnect(); |
| 242 | |
| 243 | return ERROR_IO; |
| 244 | } |
| 245 | |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 246 | mHasChunkedTransferEncoding = false; |
| 247 | |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 248 | { |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 249 | AString value; |
| 250 | if (mHTTP.find_header_value("Transfer-Encoding", &value)) { |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 251 | // We don't currently support any transfer encodings but |
| 252 | // chunked. |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 253 | |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 254 | if (!strcasecmp(value.c_str(), "chunked")) { |
| 255 | LOGI("Chunked transfer encoding applied."); |
| 256 | mHasChunkedTransferEncoding = true; |
| 257 | mChunkDataBytesLeft = 0; |
| 258 | } else { |
| 259 | mState = DISCONNECTED; |
| 260 | mHTTP.disconnect(); |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 261 | |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 262 | LOGE("We don't support '%s' transfer encoding.", value.c_str()); |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 263 | |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 264 | return ERROR_UNSUPPORTED; |
| 265 | } |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | |
Andreas Huber | a2e57ca | 2011-03-30 11:15:27 -0700 | [diff] [blame^] | 269 | { |
| 270 | AString value; |
| 271 | if (mHTTP.find_header_value("Content-Type", &value)) { |
| 272 | mContentType = String8(value.c_str()); |
| 273 | } else { |
| 274 | mContentType = String8("application/octet-stream"); |
| 275 | } |
| 276 | } |
| 277 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 278 | applyTimeoutResponse(); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 279 | |
| 280 | if (offset == 0) { |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 281 | AString value; |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 282 | unsigned long x; |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 283 | if (mHTTP.find_header_value(AString("Content-Length"), &value) |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 284 | && ParseSingleUnsignedLong(value.c_str(), &x)) { |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 285 | mContentLength = (off64_t)x; |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 286 | mContentLengthValid = true; |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 287 | } else { |
| 288 | LOGW("Server did not give us the content length!"); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 289 | } |
| 290 | } else { |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 291 | if (httpStatus != 206 /* Partial Content */) { |
| 292 | // We requested a range but the server didn't support that. |
| 293 | LOGE("We requested a range but the server didn't " |
| 294 | "support that."); |
| 295 | return ERROR_UNSUPPORTED; |
| 296 | } |
| 297 | |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 298 | AString value; |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 299 | unsigned long x; |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 300 | if (mHTTP.find_header_value(AString("Content-Range"), &value)) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 301 | const char *slashPos = strchr(value.c_str(), '/'); |
| 302 | if (slashPos != NULL |
| 303 | && ParseSingleUnsignedLong(slashPos + 1, &x)) { |
| 304 | mContentLength = x; |
| 305 | mContentLengthValid = true; |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | return err; |
| 312 | } |
| 313 | |
| 314 | void NuHTTPDataSource::disconnect() { |
| 315 | if (mState == CONNECTING || mState == CONNECTED) { |
| 316 | mHTTP.disconnect(); |
| 317 | } |
| 318 | mState = DISCONNECTED; |
| 319 | } |
| 320 | |
| 321 | status_t NuHTTPDataSource::initCheck() const { |
| 322 | return mState == CONNECTED ? OK : NO_INIT; |
| 323 | } |
| 324 | |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 325 | ssize_t NuHTTPDataSource::internalRead(void *data, size_t size) { |
| 326 | if (!mHasChunkedTransferEncoding) { |
| 327 | return mHTTP.receive(data, size); |
| 328 | } |
| 329 | |
| 330 | if (mChunkDataBytesLeft < 0) { |
| 331 | return 0; |
| 332 | } else if (mChunkDataBytesLeft == 0) { |
| 333 | char line[1024]; |
| 334 | status_t err = mHTTP.receive_line(line, sizeof(line)); |
| 335 | |
| 336 | if (err != OK) { |
| 337 | return err; |
| 338 | } |
| 339 | |
| 340 | LOGV("line = '%s'", line); |
| 341 | |
| 342 | char *end; |
| 343 | unsigned long n = strtoul(line, &end, 16); |
| 344 | |
| 345 | if (end == line || (*end != ';' && *end != '\0')) { |
| 346 | LOGE("malformed HTTP chunk '%s'", line); |
| 347 | return ERROR_MALFORMED; |
| 348 | } |
| 349 | |
| 350 | mChunkDataBytesLeft = n; |
| 351 | LOGV("chunk data size = %lu", n); |
| 352 | |
| 353 | if (mChunkDataBytesLeft == 0) { |
| 354 | mChunkDataBytesLeft = -1; |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | // fall through |
| 359 | } |
| 360 | |
| 361 | if (size > (size_t)mChunkDataBytesLeft) { |
| 362 | size = mChunkDataBytesLeft; |
| 363 | } |
| 364 | |
| 365 | ssize_t n = mHTTP.receive(data, size); |
| 366 | |
| 367 | if (n < 0) { |
| 368 | return n; |
| 369 | } |
| 370 | |
| 371 | mChunkDataBytesLeft -= (size_t)n; |
| 372 | |
| 373 | if (mChunkDataBytesLeft == 0) { |
| 374 | char line[1024]; |
| 375 | status_t err = mHTTP.receive_line(line, sizeof(line)); |
| 376 | |
| 377 | if (err != OK) { |
| 378 | return err; |
| 379 | } |
| 380 | |
| 381 | if (line[0] != '\0') { |
| 382 | LOGE("missing HTTP chunk terminator."); |
| 383 | return ERROR_MALFORMED; |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | return n; |
| 388 | } |
| 389 | |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 390 | ssize_t NuHTTPDataSource::readAt(off64_t offset, void *data, size_t size) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 391 | LOGV("readAt offset %ld, size %d", offset, size); |
| 392 | |
| 393 | Mutex::Autolock autoLock(mLock); |
| 394 | |
| 395 | if (offset != mOffset) { |
| 396 | String8 host = mHost; |
| 397 | String8 path = mPath; |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 398 | String8 headers = mHeaders; |
Andreas Huber | 118a150 | 2011-02-17 13:35:08 -0800 | [diff] [blame] | 399 | status_t err = connect(host, mPort, path, mHTTPS, headers, offset); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 400 | |
| 401 | if (err != OK) { |
| 402 | return err; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | if (mContentLengthValid) { |
| 407 | size_t avail = |
| 408 | (offset >= mContentLength) ? 0 : mContentLength - offset; |
| 409 | |
| 410 | if (size > avail) { |
| 411 | size = avail; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | size_t numBytesRead = 0; |
| 416 | while (numBytesRead < size) { |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 417 | int64_t startTimeUs = ALooper::GetNowUs(); |
| 418 | |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 419 | ssize_t n = |
Andreas Huber | 9d20276 | 2010-11-18 11:03:48 -0800 | [diff] [blame] | 420 | internalRead((uint8_t *)data + numBytesRead, size - numBytesRead); |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 421 | |
| 422 | if (n < 0) { |
| 423 | return n; |
| 424 | } |
| 425 | |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 426 | int64_t delayUs = ALooper::GetNowUs() - startTimeUs; |
| 427 | addBandwidthMeasurement_l(n, delayUs); |
| 428 | |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 429 | numBytesRead += (size_t)n; |
| 430 | |
| 431 | if (n == 0) { |
| 432 | if (mContentLengthValid) { |
| 433 | // We know the content length and made sure not to read beyond |
| 434 | // it and yet the server closed the connection on us. |
| 435 | return ERROR_IO; |
| 436 | } |
| 437 | |
| 438 | break; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | mOffset += numBytesRead; |
| 443 | |
| 444 | return numBytesRead; |
| 445 | } |
| 446 | |
James Dong | b1262a8 | 2010-11-16 14:04:54 -0800 | [diff] [blame] | 447 | status_t NuHTTPDataSource::getSize(off64_t *size) { |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 448 | *size = 0; |
| 449 | |
| 450 | if (mState != CONNECTED) { |
| 451 | return ERROR_IO; |
| 452 | } |
| 453 | |
| 454 | if (mContentLengthValid) { |
| 455 | *size = mContentLength; |
| 456 | return OK; |
| 457 | } |
| 458 | |
| 459 | return ERROR_UNSUPPORTED; |
| 460 | } |
| 461 | |
| 462 | uint32_t NuHTTPDataSource::flags() { |
| 463 | return kWantsPrefetching; |
| 464 | } |
| 465 | |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 466 | // static |
| 467 | void NuHTTPDataSource::MakeFullHeaders( |
| 468 | const KeyedVector<String8, String8> *overrides, String8 *headers) { |
| 469 | headers->setTo(""); |
| 470 | |
| 471 | headers->append("User-Agent: stagefright/1.1 (Linux;Android "); |
| 472 | |
| 473 | #if (PROPERTY_VALUE_MAX < 8) |
| 474 | #error "PROPERTY_VALUE_MAX must be at least 8" |
| 475 | #endif |
| 476 | |
| 477 | char value[PROPERTY_VALUE_MAX]; |
| 478 | property_get("ro.build.version.release", value, "Unknown"); |
| 479 | headers->append(value); |
| 480 | headers->append(")\r\n"); |
| 481 | |
| 482 | if (overrides == NULL) { |
| 483 | return; |
| 484 | } |
| 485 | |
| 486 | for (size_t i = 0; i < overrides->size(); ++i) { |
| 487 | String8 line; |
| 488 | line.append(overrides->keyAt(i)); |
| 489 | line.append(": "); |
| 490 | line.append(overrides->valueAt(i)); |
| 491 | line.append("\r\n"); |
| 492 | |
| 493 | headers->append(line); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | void NuHTTPDataSource::applyTimeoutResponse() { |
Andreas Huber | 61c79b6 | 2010-11-19 09:36:13 -0800 | [diff] [blame] | 498 | AString timeout; |
Andreas Huber | 3a53dc5 | 2010-06-11 09:57:46 -0700 | [diff] [blame] | 499 | if (mHTTP.find_header_value("X-SocketTimeout", &timeout)) { |
| 500 | const char *s = timeout.c_str(); |
| 501 | char *end; |
| 502 | long tmp = strtol(s, &end, 10); |
| 503 | if (end == s || *end != '\0') { |
| 504 | LOGW("Illegal X-SocketTimeout value given."); |
| 505 | return; |
| 506 | } |
| 507 | |
| 508 | LOGI("overriding default timeout, new timeout is %ld seconds", tmp); |
| 509 | mHTTP.setReceiveTimeout(tmp); |
| 510 | } |
| 511 | } |
| 512 | |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 513 | bool NuHTTPDataSource::estimateBandwidth(int32_t *bandwidth_bps) { |
| 514 | Mutex::Autolock autoLock(mLock); |
| 515 | |
Andreas Huber | b559084 | 2010-12-03 16:12:25 -0800 | [diff] [blame] | 516 | if (mNumBandwidthHistoryItems < 2) { |
Andreas Huber | 2381a8a | 2010-11-15 08:59:23 -0800 | [diff] [blame] | 517 | return false; |
| 518 | } |
| 519 | |
| 520 | *bandwidth_bps = ((double)mTotalTransferBytes * 8E6 / mTotalTransferTimeUs); |
| 521 | |
| 522 | return true; |
| 523 | } |
| 524 | |
| 525 | void NuHTTPDataSource::addBandwidthMeasurement_l( |
| 526 | size_t numBytes, int64_t delayUs) { |
| 527 | BandwidthEntry entry; |
| 528 | entry.mDelayUs = delayUs; |
| 529 | entry.mNumBytes = numBytes; |
| 530 | mTotalTransferTimeUs += delayUs; |
| 531 | mTotalTransferBytes += numBytes; |
| 532 | |
| 533 | mBandwidthHistory.push_back(entry); |
| 534 | if (++mNumBandwidthHistoryItems > 100) { |
| 535 | BandwidthEntry *entry = &*mBandwidthHistory.begin(); |
| 536 | mTotalTransferTimeUs -= entry->mDelayUs; |
| 537 | mTotalTransferBytes -= entry->mNumBytes; |
| 538 | mBandwidthHistory.erase(mBandwidthHistory.begin()); |
| 539 | --mNumBandwidthHistoryItems; |
| 540 | } |
| 541 | } |
| 542 | |
Gloria Wang | ae77527 | 2011-02-24 16:40:57 -0800 | [diff] [blame] | 543 | sp<DecryptHandle> NuHTTPDataSource::DrmInitialization() { |
Gloria Wang | c2dc472 | 2011-02-07 11:41:11 -0800 | [diff] [blame] | 544 | if (mDrmManagerClient == NULL) { |
| 545 | mDrmManagerClient = new DrmManagerClient(); |
| 546 | } |
| 547 | |
| 548 | if (mDrmManagerClient == NULL) { |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 549 | return NULL; |
| 550 | } |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 551 | |
| 552 | if (mDecryptHandle == NULL) { |
| 553 | /* Note if redirect occurs, mUri is the redirect uri instead of the |
| 554 | * original one |
| 555 | */ |
| 556 | mDecryptHandle = mDrmManagerClient->openDecryptSession(mUri); |
| 557 | } |
| 558 | |
| 559 | if (mDecryptHandle == NULL) { |
Gloria Wang | c2dc472 | 2011-02-07 11:41:11 -0800 | [diff] [blame] | 560 | delete mDrmManagerClient; |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 561 | mDrmManagerClient = NULL; |
| 562 | } |
| 563 | |
| 564 | return mDecryptHandle; |
| 565 | } |
| 566 | |
Gloria Wang | ae77527 | 2011-02-24 16:40:57 -0800 | [diff] [blame] | 567 | void NuHTTPDataSource::getDrmInfo(sp<DecryptHandle> &handle, DrmManagerClient **client) { |
| 568 | handle = mDecryptHandle; |
Gloria Wang | c2c22e7 | 2010-11-01 15:53:16 -0700 | [diff] [blame] | 569 | |
| 570 | *client = mDrmManagerClient; |
| 571 | } |
| 572 | |
Gloria Wang | 43cd12d | 2010-11-09 15:06:51 -0800 | [diff] [blame] | 573 | String8 NuHTTPDataSource::getUri() { |
| 574 | return mUri; |
| 575 | } |
| 576 | |
Andreas Huber | a2e57ca | 2011-03-30 11:15:27 -0700 | [diff] [blame^] | 577 | String8 NuHTTPDataSource::getMIMEType() const { |
| 578 | return mContentType; |
| 579 | } |
| 580 | |
Andreas Huber | 163c493 | 2010-06-10 11:08:43 -0700 | [diff] [blame] | 581 | } // namespace android |