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| 1 // Copyright (c) 2011 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 #include "net/tools/flip_server/balsa_headers.h" | |
| 6 | |
| 7 #include <stdio.h> | |
| 8 #include <algorithm> | |
| 9 #include <ext/hash_set> | |
| 10 #include <string> | |
| 11 #include <utility> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/logging.h" | |
| 15 #include "base/port.h" | |
| 16 #include "base/strings/stringprintf.h" | |
| 17 #include "base/strings/string_piece.h" | |
| 18 #include "net/tools/flip_server/balsa_enums.h" | |
| 19 #include "net/tools/flip_server/buffer_interface.h" | |
| 20 #include "net/tools/flip_server/simple_buffer.h" | |
| 21 #include "third_party/tcmalloc/chromium/src/base/googleinit.h" | |
| 22 // #include "util/gtl/iterator_adaptors-inl.h" | |
| 23 // #include "util/gtl/map-util.h" | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 const char kContentLength[] = "Content-Length"; | |
| 28 const char kTransferEncoding[] = "Transfer-Encoding"; | |
| 29 const char kSpaceChar = ' '; | |
| 30 | |
| 31 __gnu_cxx::hash_set<base::StringPiece, | |
| 32 net::StringPieceCaseHash, | |
| 33 net::StringPieceCaseEqual> g_multivalued_headers; | |
| 34 | |
| 35 void InitMultivaluedHeaders() { | |
| 36 g_multivalued_headers.insert("accept"); | |
| 37 g_multivalued_headers.insert("accept-charset"); | |
| 38 g_multivalued_headers.insert("accept-encoding"); | |
| 39 g_multivalued_headers.insert("accept-language"); | |
| 40 g_multivalued_headers.insert("accept-ranges"); | |
| 41 g_multivalued_headers.insert("allow"); | |
| 42 g_multivalued_headers.insert("cache-control"); | |
| 43 g_multivalued_headers.insert("connection"); | |
| 44 g_multivalued_headers.insert("content-encoding"); | |
| 45 g_multivalued_headers.insert("content-language"); | |
| 46 g_multivalued_headers.insert("expect"); | |
| 47 g_multivalued_headers.insert("if-match"); | |
| 48 g_multivalued_headers.insert("if-none-match"); | |
| 49 g_multivalued_headers.insert("pragma"); | |
| 50 g_multivalued_headers.insert("proxy-authenticate"); | |
| 51 g_multivalued_headers.insert("te"); | |
| 52 g_multivalued_headers.insert("trailer"); | |
| 53 g_multivalued_headers.insert("transfer-encoding"); | |
| 54 g_multivalued_headers.insert("upgrade"); | |
| 55 g_multivalued_headers.insert("vary"); | |
| 56 g_multivalued_headers.insert("via"); | |
| 57 g_multivalued_headers.insert("warning"); | |
| 58 g_multivalued_headers.insert("www-authenticate"); | |
| 59 // Not mentioned in RFC 2616, but it can have multiple values. | |
| 60 g_multivalued_headers.insert("set-cookie"); | |
| 61 } | |
| 62 | |
| 63 REGISTER_MODULE_INITIALIZER(multivalued_headers, InitMultivaluedHeaders()); | |
| 64 | |
| 65 const int kFastToBufferSize = 32; // I think 22 is adequate, but anyway.. | |
| 66 | |
| 67 } // namespace | |
| 68 | |
| 69 namespace net { | |
| 70 | |
| 71 const size_t BalsaBuffer::kDefaultBlocksize; | |
| 72 | |
| 73 BalsaHeaders::iterator_base::iterator_base() : headers_(NULL), idx_(0) { } | |
| 74 | |
| 75 BalsaHeaders::iterator_base::iterator_base(const iterator_base& it) | |
| 76 : headers_(it.headers_), | |
| 77 idx_(it.idx_) { | |
| 78 } | |
| 79 | |
| 80 std::ostream& BalsaHeaders::iterator_base::operator<<(std::ostream& os) const { | |
| 81 os << "[" << this->headers_ << ", " << this->idx_ << "]"; | |
| 82 return os; | |
| 83 } | |
| 84 | |
| 85 BalsaHeaders::iterator_base::iterator_base(const BalsaHeaders* headers, | |
| 86 HeaderLines::size_type index) | |
| 87 : headers_(headers), | |
| 88 idx_(index) { | |
| 89 } | |
| 90 | |
| 91 BalsaBuffer::~BalsaBuffer() { | |
| 92 CleanupBlocksStartingFrom(0); | |
| 93 } | |
| 94 | |
| 95 // Returns the total amount of memory used by the buffer blocks. | |
| 96 size_t BalsaBuffer::GetTotalBufferBlockSize() const { | |
| 97 size_t buffer_size = 0; | |
| 98 for (Blocks::const_iterator iter = blocks_.begin(); | |
| 99 iter != blocks_.end(); | |
| 100 ++iter) { | |
| 101 buffer_size += iter->buffer_size; | |
| 102 } | |
| 103 return buffer_size; | |
| 104 } | |
| 105 | |
| 106 void BalsaBuffer::WriteToContiguousBuffer(const base::StringPiece& sp) { | |
| 107 if (sp.empty()) { | |
| 108 return; | |
| 109 } | |
| 110 CHECK(can_write_to_contiguous_buffer_); | |
| 111 DCHECK_GE(blocks_.size(), 1u); | |
| 112 if (blocks_[0].buffer == NULL && sp.size() <= blocksize_) { | |
| 113 blocks_[0] = AllocBlock(); | |
| 114 memcpy(blocks_[0].start_of_unused_bytes(), sp.data(), sp.size()); | |
| 115 } else if (blocks_[0].bytes_free < sp.size()) { | |
| 116 // the first block isn't big enough, resize it. | |
| 117 const size_t old_storage_size_used = blocks_[0].bytes_used(); | |
| 118 const size_t new_storage_size = old_storage_size_used + sp.size(); | |
| 119 char* new_storage = new char[new_storage_size]; | |
| 120 char* old_storage = blocks_[0].buffer; | |
| 121 if (old_storage_size_used) { | |
| 122 memcpy(new_storage, old_storage, old_storage_size_used); | |
| 123 } | |
| 124 memcpy(new_storage + old_storage_size_used, sp.data(), sp.size()); | |
| 125 blocks_[0].buffer = new_storage; | |
| 126 blocks_[0].bytes_free = sp.size(); | |
| 127 blocks_[0].buffer_size = new_storage_size; | |
| 128 delete[] old_storage; | |
| 129 } else { | |
| 130 memcpy(blocks_[0].start_of_unused_bytes(), sp.data(), sp.size()); | |
| 131 } | |
| 132 blocks_[0].bytes_free -= sp.size(); | |
| 133 } | |
| 134 | |
| 135 base::StringPiece BalsaBuffer::Write(const base::StringPiece& sp, | |
| 136 Blocks::size_type* block_buffer_idx) { | |
| 137 if (sp.empty()) { | |
| 138 return sp; | |
| 139 } | |
| 140 char* storage = Reserve(sp.size(), block_buffer_idx); | |
| 141 memcpy(storage, sp.data(), sp.size()); | |
| 142 return base::StringPiece(storage, sp.size()); | |
| 143 } | |
| 144 | |
| 145 char* BalsaBuffer::Reserve(size_t size, | |
| 146 Blocks::size_type* block_buffer_idx) { | |
| 147 // There should always be a 'first_block', even if it | |
| 148 // contains nothing. | |
| 149 DCHECK_GE(blocks_.size(), 1u); | |
| 150 BufferBlock* block = NULL; | |
| 151 Blocks::size_type block_idx = can_write_to_contiguous_buffer_ ? 1 : 0; | |
| 152 for (; block_idx < blocks_.size(); ++block_idx) { | |
| 153 if (blocks_[block_idx].bytes_free >= size) { | |
| 154 block = &blocks_[block_idx]; | |
| 155 break; | |
| 156 } | |
| 157 } | |
| 158 if (block == NULL) { | |
| 159 if (blocksize_ < size) { | |
| 160 blocks_.push_back(AllocCustomBlock(size)); | |
| 161 } else { | |
| 162 blocks_.push_back(AllocBlock()); | |
| 163 } | |
| 164 block = &blocks_.back(); | |
| 165 } | |
| 166 | |
| 167 char* storage = block->start_of_unused_bytes(); | |
| 168 block->bytes_free -= size; | |
| 169 if (block_buffer_idx) { | |
| 170 *block_buffer_idx = block_idx; | |
| 171 } | |
| 172 return storage; | |
| 173 } | |
| 174 | |
| 175 void BalsaBuffer::Clear() { | |
| 176 CHECK(!blocks_.empty()); | |
| 177 if (blocksize_ == blocks_[0].buffer_size) { | |
| 178 CleanupBlocksStartingFrom(1); | |
| 179 blocks_[0].bytes_free = blocks_[0].buffer_size; | |
| 180 } else { | |
| 181 CleanupBlocksStartingFrom(0); | |
| 182 blocks_.push_back(AllocBlock()); | |
| 183 } | |
| 184 DCHECK_GE(blocks_.size(), 1u); | |
| 185 can_write_to_contiguous_buffer_ = true; | |
| 186 } | |
| 187 | |
| 188 void BalsaBuffer::Swap(BalsaBuffer* b) { | |
| 189 blocks_.swap(b->blocks_); | |
| 190 std::swap(can_write_to_contiguous_buffer_, | |
| 191 b->can_write_to_contiguous_buffer_); | |
| 192 std::swap(blocksize_, b->blocksize_); | |
| 193 } | |
| 194 | |
| 195 void BalsaBuffer::CopyFrom(const BalsaBuffer& b) { | |
| 196 CleanupBlocksStartingFrom(0); | |
| 197 blocks_.resize(b.blocks_.size()); | |
| 198 for (Blocks::size_type i = 0; i < blocks_.size(); ++i) { | |
| 199 blocks_[i] = CopyBlock(b.blocks_[i]); | |
| 200 } | |
| 201 blocksize_ = b.blocksize_; | |
| 202 can_write_to_contiguous_buffer_ = b.can_write_to_contiguous_buffer_; | |
| 203 } | |
| 204 | |
| 205 BalsaBuffer::BalsaBuffer() | |
| 206 : blocksize_(kDefaultBlocksize), can_write_to_contiguous_buffer_(true) { | |
| 207 blocks_.push_back(AllocBlock()); | |
| 208 } | |
| 209 | |
| 210 BalsaBuffer::BalsaBuffer(size_t blocksize) : | |
| 211 blocksize_(blocksize), can_write_to_contiguous_buffer_(true) { | |
| 212 blocks_.push_back(AllocBlock()); | |
| 213 } | |
| 214 | |
| 215 BalsaBuffer::BufferBlock BalsaBuffer::AllocBlock() { | |
| 216 return AllocCustomBlock(blocksize_); | |
| 217 } | |
| 218 | |
| 219 BalsaBuffer::BufferBlock BalsaBuffer::AllocCustomBlock(size_t blocksize) { | |
| 220 return BufferBlock(new char[blocksize], blocksize, blocksize); | |
| 221 } | |
| 222 | |
| 223 BalsaBuffer::BufferBlock BalsaBuffer::CopyBlock(const BufferBlock& b) { | |
| 224 BufferBlock block = b; | |
| 225 if (b.buffer == NULL) { | |
| 226 return block; | |
| 227 } | |
| 228 | |
| 229 block.buffer = new char[b.buffer_size]; | |
| 230 memcpy(block.buffer, b.buffer, b.bytes_used()); | |
| 231 return block; | |
| 232 } | |
| 233 | |
| 234 void BalsaBuffer::CleanupBlocksStartingFrom(Blocks::size_type start_idx) { | |
| 235 for (Blocks::size_type i = start_idx; i < blocks_.size(); ++i) { | |
| 236 delete[] blocks_[i].buffer; | |
| 237 } | |
| 238 blocks_.resize(start_idx); | |
| 239 } | |
| 240 | |
| 241 BalsaHeaders::const_header_lines_key_iterator::const_header_lines_key_iterator( | |
| 242 const const_header_lines_key_iterator& other) | |
| 243 : iterator_base(other), | |
| 244 key_(other.key_) { | |
| 245 } | |
| 246 | |
| 247 BalsaHeaders::const_header_lines_key_iterator::const_header_lines_key_iterator( | |
| 248 const BalsaHeaders* headers, | |
| 249 HeaderLines::size_type index, | |
| 250 const base::StringPiece& key) | |
| 251 : iterator_base(headers, index), | |
| 252 key_(key) { | |
| 253 } | |
| 254 | |
| 255 BalsaHeaders::const_header_lines_key_iterator::const_header_lines_key_iterator( | |
| 256 const BalsaHeaders* headers, | |
| 257 HeaderLines::size_type index) | |
| 258 : iterator_base(headers, index) { | |
| 259 } | |
| 260 | |
| 261 BalsaHeaders::BalsaHeaders() | |
| 262 : balsa_buffer_(4096), | |
| 263 content_length_(0), | |
| 264 content_length_status_(BalsaHeadersEnums::NO_CONTENT_LENGTH), | |
| 265 parsed_response_code_(0), | |
| 266 firstline_buffer_base_idx_(0), | |
| 267 whitespace_1_idx_(0), | |
| 268 non_whitespace_1_idx_(0), | |
| 269 whitespace_2_idx_(0), | |
| 270 non_whitespace_2_idx_(0), | |
| 271 whitespace_3_idx_(0), | |
| 272 non_whitespace_3_idx_(0), | |
| 273 whitespace_4_idx_(0), | |
| 274 end_of_firstline_idx_(0), | |
| 275 transfer_encoding_is_chunked_(false) { | |
| 276 } | |
| 277 | |
| 278 BalsaHeaders::~BalsaHeaders() {} | |
| 279 | |
| 280 void BalsaHeaders::Clear() { | |
| 281 balsa_buffer_.Clear(); | |
| 282 transfer_encoding_is_chunked_ = false; | |
| 283 content_length_ = 0; | |
| 284 content_length_status_ = BalsaHeadersEnums::NO_CONTENT_LENGTH; | |
| 285 parsed_response_code_ = 0; | |
| 286 firstline_buffer_base_idx_ = 0; | |
| 287 whitespace_1_idx_ = 0; | |
| 288 non_whitespace_1_idx_ = 0; | |
| 289 whitespace_2_idx_ = 0; | |
| 290 non_whitespace_2_idx_ = 0; | |
| 291 whitespace_3_idx_ = 0; | |
| 292 non_whitespace_3_idx_ = 0; | |
| 293 whitespace_4_idx_ = 0; | |
| 294 end_of_firstline_idx_ = 0; | |
| 295 header_lines_.clear(); | |
| 296 } | |
| 297 | |
| 298 void BalsaHeaders::Swap(BalsaHeaders* other) { | |
| 299 // Protect against swapping with self. | |
| 300 if (this == other) return; | |
| 301 | |
| 302 balsa_buffer_.Swap(&other->balsa_buffer_); | |
| 303 | |
| 304 bool tmp_bool = transfer_encoding_is_chunked_; | |
| 305 transfer_encoding_is_chunked_ = other->transfer_encoding_is_chunked_; | |
| 306 other->transfer_encoding_is_chunked_ = tmp_bool; | |
| 307 | |
| 308 size_t tmp_size_t = content_length_; | |
| 309 content_length_ = other->content_length_; | |
| 310 other->content_length_ = tmp_size_t; | |
| 311 | |
| 312 BalsaHeadersEnums::ContentLengthStatus tmp_status = | |
| 313 content_length_status_; | |
| 314 content_length_status_ = other->content_length_status_; | |
| 315 other->content_length_status_ = tmp_status; | |
| 316 | |
| 317 tmp_size_t = parsed_response_code_; | |
| 318 parsed_response_code_ = other->parsed_response_code_; | |
| 319 other->parsed_response_code_ = tmp_size_t; | |
| 320 | |
| 321 BalsaBuffer::Blocks::size_type tmp_blk_idx = firstline_buffer_base_idx_; | |
| 322 firstline_buffer_base_idx_ = other->firstline_buffer_base_idx_; | |
| 323 other->firstline_buffer_base_idx_ = tmp_blk_idx; | |
| 324 | |
| 325 tmp_size_t = whitespace_1_idx_; | |
| 326 whitespace_1_idx_ = other->whitespace_1_idx_; | |
| 327 other->whitespace_1_idx_ = tmp_size_t; | |
| 328 | |
| 329 tmp_size_t = non_whitespace_1_idx_; | |
| 330 non_whitespace_1_idx_ = other->non_whitespace_1_idx_; | |
| 331 other->non_whitespace_1_idx_ = tmp_size_t; | |
| 332 | |
| 333 tmp_size_t = whitespace_2_idx_; | |
| 334 whitespace_2_idx_ = other->whitespace_2_idx_; | |
| 335 other->whitespace_2_idx_ = tmp_size_t; | |
| 336 | |
| 337 tmp_size_t = non_whitespace_2_idx_; | |
| 338 non_whitespace_2_idx_ = other->non_whitespace_2_idx_; | |
| 339 other->non_whitespace_2_idx_ = tmp_size_t; | |
| 340 | |
| 341 tmp_size_t = whitespace_3_idx_; | |
| 342 whitespace_3_idx_ = other->whitespace_3_idx_; | |
| 343 other->whitespace_3_idx_ = tmp_size_t; | |
| 344 | |
| 345 tmp_size_t = non_whitespace_3_idx_; | |
| 346 non_whitespace_3_idx_ = other->non_whitespace_3_idx_; | |
| 347 other->non_whitespace_3_idx_ = tmp_size_t; | |
| 348 | |
| 349 tmp_size_t = whitespace_4_idx_; | |
| 350 whitespace_4_idx_ = other->whitespace_4_idx_; | |
| 351 other->whitespace_4_idx_ = tmp_size_t; | |
| 352 | |
| 353 tmp_size_t = end_of_firstline_idx_; | |
| 354 end_of_firstline_idx_ = other->end_of_firstline_idx_; | |
| 355 other->end_of_firstline_idx_ = tmp_size_t; | |
| 356 | |
| 357 swap(header_lines_, other->header_lines_); | |
| 358 } | |
| 359 | |
| 360 void BalsaHeaders::CopyFrom(const BalsaHeaders& other) { | |
| 361 // Protect against copying with self. | |
| 362 if (this == &other) return; | |
| 363 | |
| 364 balsa_buffer_.CopyFrom(other.balsa_buffer_); | |
| 365 transfer_encoding_is_chunked_ = other.transfer_encoding_is_chunked_; | |
| 366 content_length_ = other.content_length_; | |
| 367 content_length_status_ = other.content_length_status_; | |
| 368 parsed_response_code_ = other.parsed_response_code_; | |
| 369 firstline_buffer_base_idx_ = other.firstline_buffer_base_idx_; | |
| 370 whitespace_1_idx_ = other.whitespace_1_idx_; | |
| 371 non_whitespace_1_idx_ = other.non_whitespace_1_idx_; | |
| 372 whitespace_2_idx_ = other.whitespace_2_idx_; | |
| 373 non_whitespace_2_idx_ = other.non_whitespace_2_idx_; | |
| 374 whitespace_3_idx_ = other.whitespace_3_idx_; | |
| 375 non_whitespace_3_idx_ = other.non_whitespace_3_idx_; | |
| 376 whitespace_4_idx_ = other.whitespace_4_idx_; | |
| 377 end_of_firstline_idx_ = other.end_of_firstline_idx_; | |
| 378 header_lines_ = other.header_lines_; | |
| 379 } | |
| 380 | |
| 381 void BalsaHeaders::AddAndMakeDescription(const base::StringPiece& key, | |
| 382 const base::StringPiece& value, | |
| 383 HeaderLineDescription* d) { | |
| 384 CHECK(d != NULL); | |
| 385 // + 2 to size for ": " | |
| 386 size_t line_size = key.size() + 2 + value.size(); | |
| 387 BalsaBuffer::Blocks::size_type block_buffer_idx = 0; | |
| 388 char* storage = balsa_buffer_.Reserve(line_size, &block_buffer_idx); | |
| 389 size_t base_idx = storage - GetPtr(block_buffer_idx); | |
| 390 | |
| 391 char* cur_loc = storage; | |
| 392 memcpy(cur_loc, key.data(), key.size()); | |
| 393 cur_loc += key.size(); | |
| 394 *cur_loc = ':'; | |
| 395 ++cur_loc; | |
| 396 *cur_loc = ' '; | |
| 397 ++cur_loc; | |
| 398 memcpy(cur_loc, value.data(), value.size()); | |
| 399 *d = HeaderLineDescription(base_idx, | |
| 400 base_idx + key.size(), | |
| 401 base_idx + key.size() + 2, | |
| 402 base_idx + key.size() + 2 + value.size(), | |
| 403 block_buffer_idx); | |
| 404 } | |
| 405 | |
| 406 void BalsaHeaders::AppendOrPrependAndMakeDescription( | |
| 407 const base::StringPiece& key, | |
| 408 const base::StringPiece& value, | |
| 409 bool append, | |
| 410 HeaderLineDescription* d) { | |
| 411 // Figure out how much space we need to reserve for the new header size. | |
| 412 size_t old_value_size = d->last_char_idx - d->value_begin_idx; | |
| 413 if (old_value_size == 0) { | |
| 414 AddAndMakeDescription(key, value, d); | |
| 415 return; | |
| 416 } | |
| 417 base::StringPiece old_value(GetPtr(d->buffer_base_idx) + d->value_begin_idx, | |
| 418 old_value_size); | |
| 419 | |
| 420 BalsaBuffer::Blocks::size_type block_buffer_idx = 0; | |
| 421 // + 3 because we potentially need to add ": ", and "," to the line. | |
| 422 size_t new_size = key.size() + 3 + old_value_size + value.size(); | |
| 423 char* storage = balsa_buffer_.Reserve(new_size, &block_buffer_idx); | |
| 424 size_t base_idx = storage - GetPtr(block_buffer_idx); | |
| 425 | |
| 426 base::StringPiece first_value = old_value; | |
| 427 base::StringPiece second_value = value; | |
| 428 if (!append) { // !append == prepend | |
| 429 first_value = value; | |
| 430 second_value = old_value; | |
| 431 } | |
| 432 char* cur_loc = storage; | |
| 433 memcpy(cur_loc, key.data(), key.size()); | |
| 434 cur_loc += key.size(); | |
| 435 *cur_loc = ':'; | |
| 436 ++cur_loc; | |
| 437 *cur_loc = ' '; | |
| 438 ++cur_loc; | |
| 439 memcpy(cur_loc, first_value.data(), first_value.size()); | |
| 440 cur_loc += first_value.size(); | |
| 441 *cur_loc = ','; | |
| 442 ++cur_loc; | |
| 443 memcpy(cur_loc, second_value.data(), second_value.size()); | |
| 444 | |
| 445 *d = HeaderLineDescription(base_idx, | |
| 446 base_idx + key.size(), | |
| 447 base_idx + key.size() + 2, | |
| 448 base_idx + new_size, | |
| 449 block_buffer_idx); | |
| 450 } | |
| 451 | |
| 452 // Removes all keys value pairs with key 'key' starting at 'start'. | |
| 453 void BalsaHeaders::RemoveAllOfHeaderStartingAt(const base::StringPiece& key, | |
| 454 HeaderLines::iterator start) { | |
| 455 while (start != header_lines_.end()) { | |
| 456 start->skip = true; | |
| 457 ++start; | |
| 458 start = GetHeaderLinesIterator(key, start); | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 void BalsaHeaders::HackHeader(const base::StringPiece& key, | |
| 463 const base::StringPiece& value) { | |
| 464 // See TODO in balsa_headers.h | |
| 465 const HeaderLines::iterator end = header_lines_.end(); | |
| 466 const HeaderLines::iterator begin = header_lines_.begin(); | |
| 467 HeaderLines::iterator i = GetHeaderLinesIteratorNoSkip(key, begin); | |
| 468 if (i != end) { | |
| 469 // First, remove all of the header lines including this one. We want to | |
| 470 // remove before replacing, in case our replacement ends up being appended | |
| 471 // at the end (and thus would be removed by this call) | |
| 472 RemoveAllOfHeaderStartingAt(key, i); | |
| 473 // Now add the replacement, at this location. | |
| 474 AddAndMakeDescription(key, value, &(*i)); | |
| 475 return; | |
| 476 } | |
| 477 AppendHeader(key, value); | |
| 478 } | |
| 479 | |
| 480 void BalsaHeaders::HackAppendToHeader(const base::StringPiece& key, | |
| 481 const base::StringPiece& append_value) { | |
| 482 // See TODO in balsa_headers.h | |
| 483 const HeaderLines::iterator end = header_lines_.end(); | |
| 484 const HeaderLines::iterator begin = header_lines_.begin(); | |
| 485 | |
| 486 HeaderLines::iterator i = GetHeaderLinesIterator(key, begin); | |
| 487 if (i == end) { | |
| 488 HackHeader(key, append_value); | |
| 489 return; | |
| 490 } | |
| 491 | |
| 492 AppendOrPrependAndMakeDescription(key, append_value, true, &(*i)); | |
| 493 } | |
| 494 | |
| 495 void BalsaHeaders::ReplaceOrAppendHeader(const base::StringPiece& key, | |
| 496 const base::StringPiece& value) { | |
| 497 const HeaderLines::iterator end = header_lines_.end(); | |
| 498 const HeaderLines::iterator begin = header_lines_.begin(); | |
| 499 HeaderLines::iterator i = GetHeaderLinesIterator(key, begin); | |
| 500 if (i != end) { | |
| 501 // First, remove all of the header lines including this one. We want to | |
| 502 // remove before replacing, in case our replacement ends up being appended | |
| 503 // at the end (and thus would be removed by this call) | |
| 504 RemoveAllOfHeaderStartingAt(key, i); | |
| 505 // Now, take the first instance and replace it. This will remove the | |
| 506 // 'skipped' tag if the replacement is done in-place. | |
| 507 AddAndMakeDescription(key, value, &(*i)); | |
| 508 return; | |
| 509 } | |
| 510 AppendHeader(key, value); | |
| 511 } | |
| 512 | |
| 513 void BalsaHeaders::AppendHeader(const base::StringPiece& key, | |
| 514 const base::StringPiece& value) { | |
| 515 HeaderLineDescription hld; | |
| 516 AddAndMakeDescription(key, value, &hld); | |
| 517 header_lines_.push_back(hld); | |
| 518 } | |
| 519 | |
| 520 void BalsaHeaders::AppendToHeader(const base::StringPiece& key, | |
| 521 const base::StringPiece& value) { | |
| 522 AppendOrPrependToHeader(key, value, true); | |
| 523 } | |
| 524 | |
| 525 void BalsaHeaders::PrependToHeader(const base::StringPiece& key, | |
| 526 const base::StringPiece& value) { | |
| 527 AppendOrPrependToHeader(key, value, false); | |
| 528 } | |
| 529 | |
| 530 base::StringPiece BalsaHeaders::GetValueFromHeaderLineDescription( | |
| 531 const HeaderLineDescription& line) const { | |
| 532 DCHECK_GE(line.last_char_idx, line.value_begin_idx); | |
| 533 return base::StringPiece(GetPtr(line.buffer_base_idx) + line.value_begin_idx, | |
| 534 line.last_char_idx - line.value_begin_idx); | |
| 535 } | |
| 536 | |
| 537 const base::StringPiece BalsaHeaders::GetHeader( | |
| 538 const base::StringPiece& key) const { | |
| 539 DCHECK(!IsMultivaluedHeader(key)) | |
| 540 << "Header '" << key << "' may consist of multiple lines. Do not " | |
| 541 << "use BalsaHeaders::GetHeader() or you may be missing some of its " | |
| 542 << "values."; | |
| 543 const HeaderLines::const_iterator end = header_lines_.end(); | |
| 544 const HeaderLines::const_iterator begin = header_lines_.begin(); | |
| 545 HeaderLines::const_iterator i = GetConstHeaderLinesIterator(key, begin); | |
| 546 if (i == end) { | |
| 547 return base::StringPiece(NULL, 0); | |
| 548 } | |
| 549 return GetValueFromHeaderLineDescription(*i); | |
| 550 } | |
| 551 | |
| 552 BalsaHeaders::const_header_lines_iterator BalsaHeaders::GetHeaderPosition( | |
| 553 const base::StringPiece& key) const { | |
| 554 const HeaderLines::const_iterator end = header_lines_.end(); | |
| 555 const HeaderLines::const_iterator begin = header_lines_.begin(); | |
| 556 HeaderLines::const_iterator i = GetConstHeaderLinesIterator(key, begin); | |
| 557 if (i == end) { | |
| 558 return header_lines_end(); | |
| 559 } | |
| 560 | |
| 561 return const_header_lines_iterator(this, (i - begin)); | |
| 562 } | |
| 563 | |
| 564 BalsaHeaders::const_header_lines_key_iterator BalsaHeaders::GetIteratorForKey( | |
| 565 const base::StringPiece& key) const { | |
| 566 HeaderLines::const_iterator i = | |
| 567 GetConstHeaderLinesIterator(key, header_lines_.begin()); | |
| 568 if (i == header_lines_.end()) { | |
| 569 return header_lines_key_end(); | |
| 570 } | |
| 571 | |
| 572 const HeaderLines::const_iterator begin = header_lines_.begin(); | |
| 573 return const_header_lines_key_iterator(this, (i - begin), key); | |
| 574 } | |
| 575 | |
| 576 void BalsaHeaders::AppendOrPrependToHeader(const base::StringPiece& key, | |
| 577 const base::StringPiece& value, | |
| 578 bool append) { | |
| 579 HeaderLines::iterator i = GetHeaderLinesIterator(key, header_lines_.begin()); | |
| 580 if (i == header_lines_.end()) { | |
| 581 // The header did not exist already. Instead of appending to an existing | |
| 582 // header simply append the key/value pair to the headers. | |
| 583 AppendHeader(key, value); | |
| 584 return; | |
| 585 } | |
| 586 HeaderLineDescription hld = *i; | |
| 587 | |
| 588 AppendOrPrependAndMakeDescription(key, value, append, &hld); | |
| 589 | |
| 590 // Invalidate the old header line and add the new one. | |
| 591 i->skip = true; | |
| 592 header_lines_.push_back(hld); | |
| 593 } | |
| 594 | |
| 595 BalsaHeaders::HeaderLines::const_iterator | |
| 596 BalsaHeaders::GetConstHeaderLinesIterator( | |
| 597 const base::StringPiece& key, | |
| 598 BalsaHeaders::HeaderLines::const_iterator start) const { | |
| 599 const HeaderLines::const_iterator end = header_lines_.end(); | |
| 600 for (HeaderLines::const_iterator i = start; i != end; ++i) { | |
| 601 const HeaderLineDescription& line = *i; | |
| 602 if (line.skip) { | |
| 603 continue; | |
| 604 } | |
| 605 const size_t key_len = line.key_end_idx - line.first_char_idx; | |
| 606 | |
| 607 if (key_len != key.size()) { | |
| 608 continue; | |
| 609 } | |
| 610 if (strncasecmp(GetPtr(line.buffer_base_idx) + line.first_char_idx, | |
| 611 key.data(), key_len) == 0) { | |
| 612 DCHECK_GE(line.last_char_idx, line.value_begin_idx); | |
| 613 return i; | |
| 614 } | |
| 615 } | |
| 616 return end; | |
| 617 } | |
| 618 | |
| 619 BalsaHeaders::HeaderLines::iterator BalsaHeaders::GetHeaderLinesIteratorNoSkip( | |
| 620 const base::StringPiece& key, | |
| 621 BalsaHeaders::HeaderLines::iterator start) { | |
| 622 const HeaderLines::iterator end = header_lines_.end(); | |
| 623 for (HeaderLines::iterator i = start; i != end; ++i) { | |
| 624 const HeaderLineDescription& line = *i; | |
| 625 const size_t key_len = line.key_end_idx - line.first_char_idx; | |
| 626 | |
| 627 if (key_len != key.size()) { | |
| 628 continue; | |
| 629 } | |
| 630 if (strncasecmp(GetPtr(line.buffer_base_idx) + line.first_char_idx, | |
| 631 key.data(), key_len) == 0) { | |
| 632 DCHECK_GE(line.last_char_idx, line.value_begin_idx); | |
| 633 return i; | |
| 634 } | |
| 635 } | |
| 636 return end; | |
| 637 } | |
| 638 | |
| 639 BalsaHeaders::HeaderLines::iterator BalsaHeaders::GetHeaderLinesIterator( | |
| 640 const base::StringPiece& key, | |
| 641 BalsaHeaders::HeaderLines::iterator start) { | |
| 642 const HeaderLines::iterator end = header_lines_.end(); | |
| 643 for (HeaderLines::iterator i = start; i != end; ++i) { | |
| 644 const HeaderLineDescription& line = *i; | |
| 645 if (line.skip) { | |
| 646 continue; | |
| 647 } | |
| 648 const size_t key_len = line.key_end_idx - line.first_char_idx; | |
| 649 | |
| 650 if (key_len != key.size()) { | |
| 651 continue; | |
| 652 } | |
| 653 if (strncasecmp(GetPtr(line.buffer_base_idx) + line.first_char_idx, | |
| 654 key.data(), key_len) == 0) { | |
| 655 DCHECK_GE(line.last_char_idx, line.value_begin_idx); | |
| 656 return i; | |
| 657 } | |
| 658 } | |
| 659 return end; | |
| 660 } | |
| 661 | |
| 662 void BalsaHeaders::GetAllOfHeader( | |
| 663 const base::StringPiece& key, std::vector<base::StringPiece>* out) const { | |
| 664 for (const_header_lines_key_iterator it = GetIteratorForKey(key); | |
| 665 it != header_lines_end(); ++it) { | |
| 666 out->push_back(it->second); | |
| 667 } | |
| 668 } | |
| 669 | |
| 670 bool BalsaHeaders::HasNonEmptyHeader(const base::StringPiece& key) const { | |
| 671 for (const_header_lines_key_iterator it = GetIteratorForKey(key); | |
| 672 it != header_lines_key_end(); ++it) { | |
| 673 if (!it->second.empty()) | |
| 674 return true; | |
| 675 } | |
| 676 return false; | |
| 677 } | |
| 678 | |
| 679 void BalsaHeaders::GetAllOfHeaderAsString(const base::StringPiece& key, | |
| 680 std::string* out) const { | |
| 681 const_header_lines_iterator it = header_lines_begin(); | |
| 682 const_header_lines_iterator end = header_lines_end(); | |
| 683 | |
| 684 for (; it != end; ++it) { | |
| 685 if (key == it->first) { | |
| 686 if (!out->empty()) { | |
| 687 out->append(","); | |
| 688 } | |
| 689 out->append(std::string(it->second.data(), it->second.size())); | |
| 690 } | |
| 691 } | |
| 692 } | |
| 693 | |
| 694 // static | |
| 695 bool BalsaHeaders::IsMultivaluedHeader(const base::StringPiece& header) { | |
| 696 return g_multivalued_headers.find(header) != g_multivalued_headers.end(); | |
| 697 } | |
| 698 | |
| 699 void BalsaHeaders::RemoveAllOfHeader(const base::StringPiece& key) { | |
| 700 HeaderLines::iterator it = GetHeaderLinesIterator(key, header_lines_.begin()); | |
| 701 RemoveAllOfHeaderStartingAt(key, it); | |
| 702 } | |
| 703 | |
| 704 void BalsaHeaders::RemoveAllHeadersWithPrefix(const base::StringPiece& key) { | |
| 705 for (HeaderLines::size_type i = 0; i < header_lines_.size(); ++i) { | |
| 706 if (header_lines_[i].skip) { | |
| 707 continue; | |
| 708 } | |
| 709 HeaderLineDescription& line = header_lines_[i]; | |
| 710 const size_t key_len = line.key_end_idx - line.first_char_idx; | |
| 711 if (key_len < key.size()) { | |
| 712 // If the key given to us is longer than this header, don't consider it. | |
| 713 continue; | |
| 714 } | |
| 715 if (!strncasecmp(GetPtr(line.buffer_base_idx) + line.first_char_idx, | |
| 716 key.data(), key.size())) { | |
| 717 line.skip = true; | |
| 718 } | |
| 719 } | |
| 720 } | |
| 721 | |
| 722 size_t BalsaHeaders::GetMemoryUsedLowerBound() const { | |
| 723 return (sizeof(*this) + | |
| 724 balsa_buffer_.GetTotalBufferBlockSize() + | |
| 725 header_lines_.capacity() * sizeof(HeaderLineDescription)); | |
| 726 } | |
| 727 | |
| 728 size_t BalsaHeaders::GetSizeForWriteBuffer() const { | |
| 729 // First add the space required for the first line + CRLF | |
| 730 size_t write_buf_size = whitespace_4_idx_ - non_whitespace_1_idx_ + 2; | |
| 731 // Then add the space needed for each header line to write out + CRLF. | |
| 732 const HeaderLines::size_type end = header_lines_.size(); | |
| 733 for (HeaderLines::size_type i = 0; i < end; ++i) { | |
| 734 const HeaderLineDescription& line = header_lines_[i]; | |
| 735 if (!line.skip) { | |
| 736 // Add the key size and ": ". | |
| 737 write_buf_size += line.key_end_idx - line.first_char_idx + 2; | |
| 738 // Add the value size and the CRLF | |
| 739 write_buf_size += line.last_char_idx - line.value_begin_idx + 2; | |
| 740 } | |
| 741 } | |
| 742 // Finally tag on the terminal CRLF. | |
| 743 return write_buf_size + 2; | |
| 744 } | |
| 745 | |
| 746 void BalsaHeaders::DumpToString(std::string* str) const { | |
| 747 const base::StringPiece firstline = first_line(); | |
| 748 const int buffer_length = | |
| 749 OriginalHeaderStreamEnd() - OriginalHeaderStreamBegin(); | |
| 750 // First check whether the header object is empty. | |
| 751 if (firstline.empty() && buffer_length == 0) { | |
| 752 str->append("\n<empty header>\n"); | |
| 753 return; | |
| 754 } | |
| 755 | |
| 756 // Then check whether the header is in a partially parsed state. If so, just | |
| 757 // dump the raw data. | |
| 758 if (balsa_buffer_.can_write_to_contiguous_buffer()) { | |
| 759 base::StringAppendF(str, "\n<incomplete header len: %d>\n%.*s\n", | |
| 760 buffer_length, buffer_length, | |
| 761 OriginalHeaderStreamBegin()); | |
| 762 return; | |
| 763 } | |
| 764 | |
| 765 // If the header is complete, then just dump them with the logical key value | |
| 766 // pair. | |
| 767 str->reserve(str->size() + GetSizeForWriteBuffer()); | |
| 768 base::StringAppendF(str, "\n %.*s\n", | |
| 769 static_cast<int>(firstline.size()), | |
| 770 firstline.data()); | |
| 771 BalsaHeaders::const_header_lines_iterator i = header_lines_begin(); | |
| 772 for (; i != header_lines_end(); ++i) { | |
| 773 base::StringAppendF(str, " %.*s: %.*s\n", | |
| 774 static_cast<int>(i->first.size()), i->first.data(), | |
| 775 static_cast<int>(i->second.size()), i->second.data()); | |
| 776 } | |
| 777 } | |
| 778 | |
| 779 void BalsaHeaders::SetFirstLine(const base::StringPiece& line) { | |
| 780 base::StringPiece new_line = balsa_buffer_.Write(line, | |
| 781 &firstline_buffer_base_idx_); | |
| 782 whitespace_1_idx_ = new_line.data() - GetPtr(firstline_buffer_base_idx_); | |
| 783 non_whitespace_1_idx_ = whitespace_1_idx_; | |
| 784 whitespace_4_idx_ = whitespace_1_idx_ + line.size(); | |
| 785 whitespace_2_idx_ = whitespace_4_idx_; | |
| 786 non_whitespace_2_idx_ = whitespace_4_idx_; | |
| 787 whitespace_3_idx_ = whitespace_4_idx_; | |
| 788 non_whitespace_3_idx_ = whitespace_4_idx_; | |
| 789 end_of_firstline_idx_ = whitespace_4_idx_; | |
| 790 } | |
| 791 | |
| 792 void BalsaHeaders::SetContentLength(size_t length) { | |
| 793 // If the content-length is already the one we want, don't do anything. | |
| 794 if (content_length_status_ == BalsaHeadersEnums::VALID_CONTENT_LENGTH && | |
| 795 content_length_ == length) { | |
| 796 return; | |
| 797 } | |
| 798 const base::StringPiece content_length(kContentLength, | |
| 799 sizeof(kContentLength) - 1); | |
| 800 // If header state indicates that there is either a content length or | |
| 801 // transfer encoding header, remove them before adding the new content | |
| 802 // length. There is always the possibility that client can manually add | |
| 803 // either header directly and cause content_length_status_ or | |
| 804 // transfer_encoding_is_chunked_ to be inconsistent with the actual header. | |
| 805 // In the interest of efficiency, however, we will assume that clients will | |
| 806 // use the header object correctly and thus we will not scan the all headers | |
| 807 // each time this function is called. | |
| 808 if (content_length_status_ != BalsaHeadersEnums::NO_CONTENT_LENGTH) { | |
| 809 RemoveAllOfHeader(content_length); | |
| 810 } else if (transfer_encoding_is_chunked_) { | |
| 811 const base::StringPiece transfer_encoding(kTransferEncoding, | |
| 812 sizeof(kTransferEncoding) - 1); | |
| 813 RemoveAllOfHeader(transfer_encoding); | |
| 814 transfer_encoding_is_chunked_ = false; | |
| 815 } | |
| 816 content_length_status_ = BalsaHeadersEnums::VALID_CONTENT_LENGTH; | |
| 817 content_length_ = length; | |
| 818 // FastUInt64ToBuffer is supposed to use a maximum of kFastToBufferSize bytes. | |
| 819 char buffer[kFastToBufferSize]; | |
| 820 int len_converted = snprintf(buffer, sizeof(buffer), "%zd", length); | |
| 821 CHECK_GT(len_converted, 0); | |
| 822 const base::StringPiece length_str(buffer, len_converted); | |
| 823 AppendHeader(content_length, length_str); | |
| 824 } | |
| 825 | |
| 826 void BalsaHeaders::SetChunkEncoding(bool chunk_encode) { | |
| 827 if (transfer_encoding_is_chunked_ == chunk_encode) { | |
| 828 return; | |
| 829 } | |
| 830 if (content_length_status_ != BalsaHeadersEnums::NO_CONTENT_LENGTH && | |
| 831 chunk_encode) { | |
| 832 // Want to change to chunk encoding, but have content length. Arguably we | |
| 833 // can leave this step out, since transfer-encoding overrides | |
| 834 // content-length. | |
| 835 const base::StringPiece content_length(kContentLength, | |
| 836 sizeof(kContentLength) - 1); | |
| 837 RemoveAllOfHeader(content_length); | |
| 838 content_length_status_ = BalsaHeadersEnums::NO_CONTENT_LENGTH; | |
| 839 content_length_ = 0; | |
| 840 } | |
| 841 const base::StringPiece transfer_encoding(kTransferEncoding, | |
| 842 sizeof(kTransferEncoding) - 1); | |
| 843 if (chunk_encode) { | |
| 844 const char kChunked[] = "chunked"; | |
| 845 const base::StringPiece chunked(kChunked, sizeof(kChunked) - 1); | |
| 846 AppendHeader(transfer_encoding, chunked); | |
| 847 } else { | |
| 848 RemoveAllOfHeader(transfer_encoding); | |
| 849 } | |
| 850 transfer_encoding_is_chunked_ = chunk_encode; | |
| 851 } | |
| 852 | |
| 853 // See the comment about this function in the header file for a | |
| 854 // warning about its usage. | |
| 855 void BalsaHeaders::SetFirstlineFromStringPieces( | |
| 856 const base::StringPiece& firstline_a, | |
| 857 const base::StringPiece& firstline_b, | |
| 858 const base::StringPiece& firstline_c) { | |
| 859 size_t line_size = (firstline_a.size() + | |
| 860 firstline_b.size() + | |
| 861 firstline_c.size() + | |
| 862 2); | |
| 863 char* storage = balsa_buffer_.Reserve(line_size, &firstline_buffer_base_idx_); | |
| 864 char* cur_loc = storage; | |
| 865 | |
| 866 memcpy(cur_loc, firstline_a.data(), firstline_a.size()); | |
| 867 cur_loc += firstline_a.size(); | |
| 868 | |
| 869 *cur_loc = ' '; | |
| 870 ++cur_loc; | |
| 871 | |
| 872 memcpy(cur_loc, firstline_b.data(), firstline_b.size()); | |
| 873 cur_loc += firstline_b.size(); | |
| 874 | |
| 875 *cur_loc = ' '; | |
| 876 ++cur_loc; | |
| 877 | |
| 878 memcpy(cur_loc, firstline_c.data(), firstline_c.size()); | |
| 879 | |
| 880 whitespace_1_idx_ = storage - GetPtr(firstline_buffer_base_idx_); | |
| 881 non_whitespace_1_idx_ = whitespace_1_idx_; | |
| 882 whitespace_2_idx_ = non_whitespace_1_idx_ + firstline_a.size(); | |
| 883 non_whitespace_2_idx_ = whitespace_2_idx_ + 1; | |
| 884 whitespace_3_idx_ = non_whitespace_2_idx_ + firstline_b.size(); | |
| 885 non_whitespace_3_idx_ = whitespace_3_idx_ + 1; | |
| 886 whitespace_4_idx_ = non_whitespace_3_idx_ + firstline_c.size(); | |
| 887 end_of_firstline_idx_ = whitespace_4_idx_; | |
| 888 } | |
| 889 | |
| 890 void BalsaHeaders::SetRequestMethod(const base::StringPiece& method) { | |
| 891 // This is the first of the three parts of the firstline. | |
| 892 if (method.size() <= (whitespace_2_idx_ - non_whitespace_1_idx_)) { | |
| 893 non_whitespace_1_idx_ = whitespace_2_idx_ - method.size(); | |
| 894 char* stream_begin = GetPtr(firstline_buffer_base_idx_); | |
| 895 memcpy(stream_begin + non_whitespace_1_idx_, | |
| 896 method.data(), | |
| 897 method.size()); | |
| 898 } else { | |
| 899 // The new method is too large to fit in the space available for the old | |
| 900 // one, so we have to reformat the firstline. | |
| 901 SetFirstlineFromStringPieces(method, request_uri(), request_version()); | |
| 902 } | |
| 903 } | |
| 904 | |
| 905 void BalsaHeaders::SetResponseVersion(const base::StringPiece& version) { | |
| 906 // Note: There is no difference between request_method() and | |
| 907 // response_Version(). Thus, a function to set one is equivalent to a | |
| 908 // function to set the other. We maintain two functions for this as it is | |
| 909 // much more descriptive, and makes code more understandable. | |
| 910 SetRequestMethod(version); | |
| 911 } | |
| 912 | |
| 913 void BalsaHeaders::SetRequestUri(const base::StringPiece& uri) { | |
| 914 SetFirstlineFromStringPieces(request_method(), uri, request_version()); | |
| 915 } | |
| 916 | |
| 917 void BalsaHeaders::SetResponseCode(const base::StringPiece& code) { | |
| 918 // Note: There is no difference between request_uri() and response_code(). | |
| 919 // Thus, a function to set one is equivalent to a function to set the other. | |
| 920 // We maintain two functions for this as it is much more descriptive, and | |
| 921 // makes code more understandable. | |
| 922 SetRequestUri(code); | |
| 923 } | |
| 924 | |
| 925 void BalsaHeaders::SetParsedResponseCodeAndUpdateFirstline( | |
| 926 size_t parsed_response_code) { | |
| 927 char buffer[kFastToBufferSize]; | |
| 928 int len_converted = snprintf(buffer, sizeof(buffer), | |
| 929 "%zd", parsed_response_code); | |
| 930 CHECK_GT(len_converted, 0); | |
| 931 SetResponseCode(base::StringPiece(buffer, len_converted)); | |
| 932 } | |
| 933 | |
| 934 void BalsaHeaders::SetRequestVersion(const base::StringPiece& version) { | |
| 935 // This is the last of the three parts of the firstline. | |
| 936 // Since whitespace_3_idx and non_whitespace_3_idx may point to the same | |
| 937 // place, we ensure below that any available space includes space for a | |
| 938 // litteral space (' ') character between the second component and the third | |
| 939 // component. If the space between whitespace_3_idx_ and | |
| 940 // end_of_firstline_idx_ is >= to version.size() + 1 (for the space), then we | |
| 941 // can update the firstline in-place. | |
| 942 char* stream_begin = GetPtr(firstline_buffer_base_idx_); | |
| 943 if (version.size() + 1 <= end_of_firstline_idx_ - whitespace_3_idx_) { | |
| 944 *(stream_begin + whitespace_3_idx_) = kSpaceChar; | |
| 945 non_whitespace_3_idx_ = whitespace_3_idx_ + 1; | |
| 946 whitespace_4_idx_ = non_whitespace_3_idx_ + version.size(); | |
| 947 memcpy(stream_begin + non_whitespace_3_idx_, | |
| 948 version.data(), | |
| 949 version.size()); | |
| 950 } else { | |
| 951 // The new version is to large to fit in the space available for the old | |
| 952 // one, so we have to reformat the firstline. | |
| 953 SetFirstlineFromStringPieces(request_method(), request_uri(), version); | |
| 954 } | |
| 955 } | |
| 956 | |
| 957 void BalsaHeaders::SetResponseReasonPhrase(const base::StringPiece& reason) { | |
| 958 // Note: There is no difference between request_version() and | |
| 959 // response_reason_phrase(). Thus, a function to set one is equivalent to a | |
| 960 // function to set the other. We maintain two functions for this as it is | |
| 961 // much more descriptive, and makes code more understandable. | |
| 962 SetRequestVersion(reason); | |
| 963 } | |
| 964 | |
| 965 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 25085002:
Break out balsa and epoll_server from net/tools/flip_server. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src