net/socket/socket_test_util.cc

   1 // Copyright (c) 2012 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/socket/socket_test_util.h"
   6
   7 #include <algorithm>
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/compiler_specific.h"
  14 #include "base/message_loop/message_loop.h"
  15 #include "base/run_loop.h"
  16 #include "base/time/time.h"
  17 #include "net/base/address_family.h"
  18 #include "net/base/address_list.h"
  19 #include "net/base/auth.h"
  20 #include "net/base/load_timing_info.h"
  21 #include "net/http/http_network_session.h"
  22 #include "net/http/http_request_headers.h"
  23 #include "net/http/http_response_headers.h"
  24 #include "net/socket/client_socket_pool_histograms.h"
  25 #include "net/socket/socket.h"
  26 #include "net/ssl/ssl_cert_request_info.h"
  27 #include "net/ssl/ssl_connection_status_flags.h"
  28 #include "net/ssl/ssl_info.h"
  29 #include "testing/gtest/include/gtest/gtest.h"
  30
  31 // Socket events are easier to debug if you log individual reads and writes.
  32 // Enable these if locally debugging, but they are too noisy for the waterfall.
  33 #if 0
  34 #define NET_TRACE(level, s) DLOG(level) << s << __FUNCTION__ << "() "
  35 #else
  36 #define NET_TRACE(level, s) EAT_STREAM_PARAMETERS
  37 #endif
  38
  39 namespace net {
  40
  41 namespace {
  42
  43 inline char AsciifyHigh(char x) {
  44   char nybble = static_cast<char>((x >> 4) & 0x0F);
  45   return nybble + ((nybble < 0x0A) ? '0' : 'A' - 10);
  46 }
  47
  48 inline char AsciifyLow(char x) {
  49   char nybble = static_cast<char>((x >> 0) & 0x0F);
  50   return nybble + ((nybble < 0x0A) ? '0' : 'A' - 10);
  51 }
  52
  53 inline char Asciify(char x) {
  54   if ((x < 0) || !isprint(x))
  55     return '.';
  56   return x;
  57 }
  58
  59 void DumpData(const char* data, int data_len) {
  60   if (logging::LOG_INFO < logging::GetMinLogLevel())
  61     return;
  62   DVLOG(1) << "Length:  " << data_len;
  63   const char* pfx = "Data:    ";
  64   if (!data || (data_len <= 0)) {
  65     DVLOG(1) << pfx << "<None>";
  66   } else {
  67     int i;
  68     for (i = 0; i <= (data_len - 4); i += 4) {
  69       DVLOG(1) << pfx
  70                << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
  71                << AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
  72                << AsciifyHigh(data[i + 2]) << AsciifyLow(data[i + 2])
  73                << AsciifyHigh(data[i + 3]) << AsciifyLow(data[i + 3])
  74                << "  '"
  75                << Asciify(data[i + 0])
  76                << Asciify(data[i + 1])
  77                << Asciify(data[i + 2])
  78                << Asciify(data[i + 3])
  79                << "'";
  80       pfx = "         ";
  81     }
  82     // Take care of any 'trailing' bytes, if data_len was not a multiple of 4.
  83     switch (data_len - i) {
  84       case 3:
  85         DVLOG(1) << pfx
  86                  << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
  87                  << AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
  88                  << AsciifyHigh(data[i + 2]) << AsciifyLow(data[i + 2])
  89                  << "    '"
  90                  << Asciify(data[i + 0])
  91                  << Asciify(data[i + 1])
  92                  << Asciify(data[i + 2])
  93                  << " '";
  94         break;
  95       case 2:
  96         DVLOG(1) << pfx
  97                  << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
  98                  << AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
  99                  << "      '"
 100                  << Asciify(data[i + 0])
 101                  << Asciify(data[i + 1])
 102                  << "  '";
 103         break;
 104       case 1:
 105         DVLOG(1) << pfx
 106                  << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
 107                  << "        '"
 108                  << Asciify(data[i + 0])
 109                  << "   '";
 110         break;
 111     }
 112   }
 113 }
 114
 115 template <MockReadWriteType type>
 116 void DumpMockReadWrite(const MockReadWrite<type>& r) {
 117   if (logging::LOG_INFO < logging::GetMinLogLevel())
 118     return;
 119   DVLOG(1) << "Async:   " << (r.mode == ASYNC)
 120            << "\nResult:  " << r.result;
 121   DumpData(r.data, r.data_len);
 122   const char* stop = (r.sequence_number & MockRead::STOPLOOP) ? " (STOP)" : "";
 123   DVLOG(1) << "Stage:   " << (r.sequence_number & ~MockRead::STOPLOOP) << stop
 124            << "\nTime:    " << r.time_stamp.ToInternalValue();
 125 }
 126
 127 }  // namespace
 128
 129 MockConnect::MockConnect() : mode(ASYNC), result(OK) {
 130   IPAddressNumber ip;
 131   CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
 132   peer_addr = IPEndPoint(ip, 0);
 133 }
 134
 135 MockConnect::MockConnect(IoMode io_mode, int r) : mode(io_mode), result(r) {
 136   IPAddressNumber ip;
 137   CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
 138   peer_addr = IPEndPoint(ip, 0);
 139 }
 140
 141 MockConnect::MockConnect(IoMode io_mode, int r, IPEndPoint addr) :
 142     mode(io_mode),
 143     result(r),
 144     peer_addr(addr) {
 145 }
 146
 147 MockConnect::~MockConnect() {}
 148
 149 StaticSocketDataProvider::StaticSocketDataProvider()
 150     : reads_(NULL),
 151       read_index_(0),
 152       read_count_(0),
 153       writes_(NULL),
 154       write_index_(0),
 155       write_count_(0) {
 156 }
 157
 158 StaticSocketDataProvider::StaticSocketDataProvider(MockRead* reads,
 159                                                    size_t reads_count,
 160                                                    MockWrite* writes,
 161                                                    size_t writes_count)
 162     : reads_(reads),
 163       read_index_(0),
 164       read_count_(reads_count),
 165       writes_(writes),
 166       write_index_(0),
 167       write_count_(writes_count) {
 168 }
 169
 170 StaticSocketDataProvider::~StaticSocketDataProvider() {}
 171
 172 const MockRead& StaticSocketDataProvider::PeekRead() const {
 173   CHECK(!at_read_eof());
 174   return reads_[read_index_];
 175 }
 176
 177 const MockWrite& StaticSocketDataProvider::PeekWrite() const {
 178   CHECK(!at_write_eof());
 179   return writes_[write_index_];
 180 }
 181
 182 const MockRead& StaticSocketDataProvider::PeekRead(size_t index) const {
 183   CHECK_LT(index, read_count_);
 184   return reads_[index];
 185 }
 186
 187 const MockWrite& StaticSocketDataProvider::PeekWrite(size_t index) const {
 188   CHECK_LT(index, write_count_);
 189   return writes_[index];
 190 }
 191
 192 MockRead StaticSocketDataProvider::GetNextRead() {
 193   CHECK(!at_read_eof());
 194   reads_[read_index_].time_stamp = base::Time::Now();
 195   return reads_[read_index_++];
 196 }
 197
 198 MockWriteResult StaticSocketDataProvider::OnWrite(const std::string& data) {
 199   if (!writes_) {
 200     // Not using mock writes; succeed synchronously.
 201     return MockWriteResult(SYNCHRONOUS, data.length());
 202   }
 203   EXPECT_FALSE(at_write_eof());
 204   if (at_write_eof()) {
 205     // Show what the extra write actually consists of.
 206     EXPECT_EQ("<unexpected write>", data);
 207     return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 208   }
 209
 210   // Check that what we are writing matches the expectation.
 211   // Then give the mocked return value.
 212   MockWrite* w = &writes_[write_index_++];
 213   w->time_stamp = base::Time::Now();
 214   int result = w->result;
 215   if (w->data) {
 216     // Note - we can simulate a partial write here.  If the expected data
 217     // is a match, but shorter than the write actually written, that is legal.
 218     // Example:
 219     //   Application writes "foobarbaz" (9 bytes)
 220     //   Expected write was "foo" (3 bytes)
 221     //   This is a success, and we return 3 to the application.
 222     std::string expected_data(w->data, w->data_len);
 223     EXPECT_GE(data.length(), expected_data.length());
 224     std::string actual_data(data.substr(0, w->data_len));
 225     EXPECT_EQ(expected_data, actual_data);
 226     if (expected_data != actual_data)
 227       return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 228     if (result == OK)
 229       result = w->data_len;
 230   }
 231   return MockWriteResult(w->mode, result);
 232 }
 233
 234 void StaticSocketDataProvider::Reset() {
 235   read_index_ = 0;
 236   write_index_ = 0;
 237 }
 238
 239 DynamicSocketDataProvider::DynamicSocketDataProvider()
 240     : short_read_limit_(0),
 241       allow_unconsumed_reads_(false) {
 242 }
 243
 244 DynamicSocketDataProvider::~DynamicSocketDataProvider() {}
 245
 246 MockRead DynamicSocketDataProvider::GetNextRead() {
 247   if (reads_.empty())
 248     return MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
 249   MockRead result = reads_.front();
 250   if (short_read_limit_ == 0 || result.data_len <= short_read_limit_) {
 251     reads_.pop_front();
 252   } else {
 253     result.data_len = short_read_limit_;
 254     reads_.front().data += result.data_len;
 255     reads_.front().data_len -= result.data_len;
 256   }
 257   return result;
 258 }
 259
 260 void DynamicSocketDataProvider::Reset() {
 261   reads_.clear();
 262 }
 263
 264 void DynamicSocketDataProvider::SimulateRead(const char* data,
 265                                              const size_t length) {
 266   if (!allow_unconsumed_reads_) {
 267     EXPECT_TRUE(reads_.empty()) << "Unconsumed read: " << reads_.front().data;
 268   }
 269   reads_.push_back(MockRead(ASYNC, data, length));
 270 }
 271
 272 SSLSocketDataProvider::SSLSocketDataProvider(IoMode mode, int result)
 273     : connect(mode, result),
 274       next_proto_status(SSLClientSocket::kNextProtoUnsupported),
 275       was_npn_negotiated(false),
 276       protocol_negotiated(kProtoUnknown),
 277       client_cert_sent(false),
 278       cert_request_info(NULL),
 279       channel_id_sent(false),
 280       connection_status(0) {
 281   SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_2,
 282                                 &connection_status);
 283   // Set to TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
 284   SSLConnectionStatusSetCipherSuite(0xcc14, &connection_status);
 285 }
 286
 287 SSLSocketDataProvider::~SSLSocketDataProvider() {
 288 }
 289
 290 void SSLSocketDataProvider::SetNextProto(NextProto proto) {
 291   was_npn_negotiated = true;
 292   next_proto_status = SSLClientSocket::kNextProtoNegotiated;
 293   protocol_negotiated = proto;
 294   next_proto = SSLClientSocket::NextProtoToString(proto);
 295 }
 296
 297 DelayedSocketData::DelayedSocketData(
 298     int write_delay, MockRead* reads, size_t reads_count,
 299     MockWrite* writes, size_t writes_count)
 300     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 301       write_delay_(write_delay),
 302       read_in_progress_(false),
 303       weak_factory_(this) {
 304   DCHECK_GE(write_delay_, 0);
 305 }
 306
 307 DelayedSocketData::DelayedSocketData(
 308     const MockConnect& connect, int write_delay, MockRead* reads,
 309     size_t reads_count, MockWrite* writes, size_t writes_count)
 310     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 311       write_delay_(write_delay),
 312       read_in_progress_(false),
 313       weak_factory_(this) {
 314   DCHECK_GE(write_delay_, 0);
 315   set_connect_data(connect);
 316 }
 317
 318 DelayedSocketData::~DelayedSocketData() {
 319 }
 320
 321 void DelayedSocketData::ForceNextRead() {
 322   DCHECK(read_in_progress_);
 323   write_delay_ = 0;
 324   CompleteRead();
 325 }
 326
 327 MockRead DelayedSocketData::GetNextRead() {
 328   MockRead out = MockRead(ASYNC, ERR_IO_PENDING);
 329   if (write_delay_ <= 0)
 330     out = StaticSocketDataProvider::GetNextRead();
 331   read_in_progress_ = (out.result == ERR_IO_PENDING);
 332   return out;
 333 }
 334
 335 MockWriteResult DelayedSocketData::OnWrite(const std::string& data) {
 336   MockWriteResult rv = StaticSocketDataProvider::OnWrite(data);
 337   // Now that our write has completed, we can allow reads to continue.
 338   if (!--write_delay_ && read_in_progress_)
 339     base::MessageLoop::current()->PostDelayedTask(
 340         FROM_HERE,
 341         base::Bind(&DelayedSocketData::CompleteRead,
 342                    weak_factory_.GetWeakPtr()),
 343         base::TimeDelta::FromMilliseconds(100));
 344   return rv;
 345 }
 346
 347 void DelayedSocketData::Reset() {
 348   set_socket(NULL);
 349   read_in_progress_ = false;
 350   weak_factory_.InvalidateWeakPtrs();
 351   StaticSocketDataProvider::Reset();
 352 }
 353
 354 void DelayedSocketData::CompleteRead() {
 355   if (socket() && read_in_progress_)
 356     socket()->OnReadComplete(GetNextRead());
 357 }
 358
 359 OrderedSocketData::OrderedSocketData(
 360     MockRead* reads, size_t reads_count, MockWrite* writes, size_t writes_count)
 361     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 362       sequence_number_(0), loop_stop_stage_(0),
 363       blocked_(false), weak_factory_(this) {
 364 }
 365
 366 OrderedSocketData::OrderedSocketData(
 367     const MockConnect& connect,
 368     MockRead* reads, size_t reads_count,
 369     MockWrite* writes, size_t writes_count)
 370     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 371       sequence_number_(0), loop_stop_stage_(0),
 372       blocked_(false), weak_factory_(this) {
 373   set_connect_data(connect);
 374 }
 375
 376 void OrderedSocketData::EndLoop() {
 377   // If we've already stopped the loop, don't do it again until we've advanced
 378   // to the next sequence_number.
 379   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_ << ": EndLoop()";
 380   if (loop_stop_stage_ > 0) {
 381     const MockRead& next_read = StaticSocketDataProvider::PeekRead();
 382     if ((next_read.sequence_number & ~MockRead::STOPLOOP) >
 383         loop_stop_stage_) {
 384       NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 385                                 << ": Clearing stop index";
 386       loop_stop_stage_ = 0;
 387     } else {
 388       return;
 389     }
 390   }
 391   // Record the sequence_number at which we stopped the loop.
 392   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 393                             << ": Posting Quit at read " << read_index();
 394   loop_stop_stage_ = sequence_number_;
 395 }
 396
 397 MockRead OrderedSocketData::GetNextRead() {
 398   weak_factory_.InvalidateWeakPtrs();
 399   blocked_ = false;
 400   const MockRead& next_read = StaticSocketDataProvider::PeekRead();
 401   if (next_read.sequence_number & MockRead::STOPLOOP)
 402     EndLoop();
 403   if ((next_read.sequence_number & ~MockRead::STOPLOOP) <=
 404       sequence_number_++) {
 405     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_ - 1
 406                               << ": Read " << read_index();
 407     DumpMockReadWrite(next_read);
 408     blocked_ = (next_read.result == ERR_IO_PENDING);
 409     return StaticSocketDataProvider::GetNextRead();
 410   }
 411   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_ - 1
 412                             << ": I/O Pending";
 413   MockRead result = MockRead(ASYNC, ERR_IO_PENDING);
 414   DumpMockReadWrite(result);
 415   blocked_ = true;
 416   return result;
 417 }
 418
 419 MockWriteResult OrderedSocketData::OnWrite(const std::string& data) {
 420   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 421                             << ": Write " << write_index();
 422   DumpMockReadWrite(PeekWrite());
 423   ++sequence_number_;
 424   if (blocked_) {
 425     // TODO(willchan): This 100ms delay seems to work around some weirdness.  We
 426     // should probably fix the weirdness.  One example is in SpdyStream,
 427     // DoSendRequest() will return ERR_IO_PENDING, and there's a race.  If the
 428     // SYN_REPLY causes OnResponseReceived() to get called before
 429     // SpdyStream::ReadResponseHeaders() is called, we hit a NOTREACHED().
 430     base::MessageLoop::current()->PostDelayedTask(
 431         FROM_HERE,
 432         base::Bind(&OrderedSocketData::CompleteRead,
 433                    weak_factory_.GetWeakPtr()),
 434         base::TimeDelta::FromMilliseconds(100));
 435   }
 436   return StaticSocketDataProvider::OnWrite(data);
 437 }
 438
 439 void OrderedSocketData::Reset() {
 440   NET_TRACE(INFO, "  *** ") << "Stage "
 441                             << sequence_number_ << ": Reset()";
 442   sequence_number_ = 0;
 443   loop_stop_stage_ = 0;
 444   set_socket(NULL);
 445   weak_factory_.InvalidateWeakPtrs();
 446   StaticSocketDataProvider::Reset();
 447 }
 448
 449 void OrderedSocketData::CompleteRead() {
 450   if (socket() && blocked_) {
 451     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_;
 452     socket()->OnReadComplete(GetNextRead());
 453   }
 454 }
 455
 456 OrderedSocketData::~OrderedSocketData() {}
 457
 458 DeterministicSocketData::DeterministicSocketData(MockRead* reads,
 459     size_t reads_count, MockWrite* writes, size_t writes_count)
 460     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 461       sequence_number_(0),
 462       current_read_(),
 463       current_write_(),
 464       stopping_sequence_number_(0),
 465       stopped_(false),
 466       print_debug_(false),
 467       is_running_(false) {
 468   VerifyCorrectSequenceNumbers(reads, reads_count, writes, writes_count);
 469 }
 470
 471 DeterministicSocketData::~DeterministicSocketData() {}
 472
 473 void DeterministicSocketData::Run() {
 474   DCHECK(!is_running_);
 475   is_running_ = true;
 476
 477   SetStopped(false);
 478   int counter = 0;
 479   // Continue to consume data until all data has run out, or the stopped_ flag
 480   // has been set. Consuming data requires two separate operations -- running
 481   // the tasks in the message loop, and explicitly invoking the read/write
 482   // callbacks (simulating network I/O). We check our conditions between each,
 483   // since they can change in either.
 484   while ((!at_write_eof() || !at_read_eof()) && !stopped()) {
 485     if (counter % 2 == 0)
 486       base::RunLoop().RunUntilIdle();
 487     if (counter % 2 == 1) {
 488       InvokeCallbacks();
 489     }
 490     counter++;
 491   }
 492   // We're done consuming new data, but it is possible there are still some
 493   // pending callbacks which we expect to complete before returning.
 494   while (delegate_.get() &&
 495          (delegate_->WritePending() || delegate_->ReadPending()) &&
 496          !stopped()) {
 497     InvokeCallbacks();
 498     base::RunLoop().RunUntilIdle();
 499   }
 500   SetStopped(false);
 501   is_running_ = false;
 502 }
 503
 504 void DeterministicSocketData::RunFor(int steps) {
 505   StopAfter(steps);
 506   Run();
 507 }
 508
 509 void DeterministicSocketData::SetStop(int seq) {
 510   DCHECK_LT(sequence_number_, seq);
 511   stopping_sequence_number_ = seq;
 512   stopped_ = false;
 513 }
 514
 515 void DeterministicSocketData::StopAfter(int seq) {
 516   SetStop(sequence_number_ + seq);
 517 }
 518
 519 MockRead DeterministicSocketData::GetNextRead() {
 520   current_read_ = StaticSocketDataProvider::PeekRead();
 521
 522   // Synchronous read while stopped is an error
 523   if (stopped() && current_read_.mode == SYNCHRONOUS) {
 524     LOG(ERROR) << "Unable to perform synchronous IO while stopped";
 525     return MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
 526   }
 527
 528   // Async read which will be called back in a future step.
 529   if (sequence_number_ < current_read_.sequence_number) {
 530     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 531                               << ": I/O Pending";
 532     MockRead result = MockRead(SYNCHRONOUS, ERR_IO_PENDING);
 533     if (current_read_.mode == SYNCHRONOUS) {
 534       LOG(ERROR) << "Unable to perform synchronous read: "
 535           << current_read_.sequence_number
 536           << " at stage: " << sequence_number_;
 537       result = MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
 538     }
 539     if (print_debug_)
 540       DumpMockReadWrite(result);
 541     return result;
 542   }
 543
 544   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 545                             << ": Read " << read_index();
 546   if (print_debug_)
 547     DumpMockReadWrite(current_read_);
 548
 549   // Increment the sequence number if IO is complete
 550   if (current_read_.mode == SYNCHRONOUS)
 551     NextStep();
 552
 553   DCHECK_NE(ERR_IO_PENDING, current_read_.result);
 554   StaticSocketDataProvider::GetNextRead();
 555
 556   return current_read_;
 557 }
 558
 559 MockWriteResult DeterministicSocketData::OnWrite(const std::string& data) {
 560   const MockWrite& next_write = StaticSocketDataProvider::PeekWrite();
 561   current_write_ = next_write;
 562
 563   // Synchronous write while stopped is an error
 564   if (stopped() && next_write.mode == SYNCHRONOUS) {
 565     LOG(ERROR) << "Unable to perform synchronous IO while stopped";
 566     return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 567   }
 568
 569   // Async write which will be called back in a future step.
 570   if (sequence_number_ < next_write.sequence_number) {
 571     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 572                               << ": I/O Pending";
 573     if (next_write.mode == SYNCHRONOUS) {
 574       LOG(ERROR) << "Unable to perform synchronous write: "
 575           << next_write.sequence_number << " at stage: " << sequence_number_;
 576       return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 577     }
 578   } else {
 579     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 580                               << ": Write " << write_index();
 581   }
 582
 583   if (print_debug_)
 584     DumpMockReadWrite(next_write);
 585
 586   // Move to the next step if I/O is synchronous, since the operation will
 587   // complete when this method returns.
 588   if (next_write.mode == SYNCHRONOUS)
 589     NextStep();
 590
 591   // This is either a sync write for this step, or an async write.
 592   return StaticSocketDataProvider::OnWrite(data);
 593 }
 594
 595 void DeterministicSocketData::Reset() {
 596   NET_TRACE(INFO, "  *** ") << "Stage "
 597                             << sequence_number_ << ": Reset()";
 598   sequence_number_ = 0;
 599   StaticSocketDataProvider::Reset();
 600   NOTREACHED();
 601 }
 602
 603 void DeterministicSocketData::InvokeCallbacks() {
 604   if (delegate_.get() && delegate_->WritePending() &&
 605       (current_write().sequence_number == sequence_number())) {
 606     NextStep();
 607     delegate_->CompleteWrite();
 608     return;
 609   }
 610   if (delegate_.get() && delegate_->ReadPending() &&
 611       (current_read().sequence_number == sequence_number())) {
 612     NextStep();
 613     delegate_->CompleteRead();
 614     return;
 615   }
 616 }
 617
 618 void DeterministicSocketData::NextStep() {
 619   // Invariant: Can never move *past* the stopping step.
 620   DCHECK_LT(sequence_number_, stopping_sequence_number_);
 621   sequence_number_++;
 622   if (sequence_number_ == stopping_sequence_number_)
 623     SetStopped(true);
 624 }
 625
 626 void DeterministicSocketData::VerifyCorrectSequenceNumbers(
 627     MockRead* reads, size_t reads_count,
 628     MockWrite* writes, size_t writes_count) {
 629   size_t read = 0;
 630   size_t write = 0;
 631   int expected = 0;
 632   while (read < reads_count || write < writes_count) {
 633     // Check to see that we have a read or write at the expected
 634     // state.
 635     if (read < reads_count  && reads[read].sequence_number == expected) {
 636       ++read;
 637       ++expected;
 638       continue;
 639     }
 640     if (write < writes_count && writes[write].sequence_number == expected) {
 641       ++write;
 642       ++expected;
 643       continue;
 644     }
 645     NOTREACHED() << "Missing sequence number: " << expected;
 646     return;
 647   }
 648   DCHECK_EQ(read, reads_count);
 649   DCHECK_EQ(write, writes_count);
 650 }
 651
 652 MockClientSocketFactory::MockClientSocketFactory() {}
 653
 654 MockClientSocketFactory::~MockClientSocketFactory() {}
 655
 656 void MockClientSocketFactory::AddSocketDataProvider(
 657     SocketDataProvider* data) {
 658   mock_data_.Add(data);
 659 }
 660
 661 void MockClientSocketFactory::AddSSLSocketDataProvider(
 662     SSLSocketDataProvider* data) {
 663   mock_ssl_data_.Add(data);
 664 }
 665
 666 void MockClientSocketFactory::ResetNextMockIndexes() {
 667   mock_data_.ResetNextIndex();
 668   mock_ssl_data_.ResetNextIndex();
 669 }
 670
 671 scoped_ptr<DatagramClientSocket>
 672 MockClientSocketFactory::CreateDatagramClientSocket(
 673     DatagramSocket::BindType bind_type,
 674     const RandIntCallback& rand_int_cb,
 675     net::NetLog* net_log,
 676     const net::NetLog::Source& source) {
 677   SocketDataProvider* data_provider = mock_data_.GetNext();
 678   scoped_ptr<MockUDPClientSocket> socket(
 679       new MockUDPClientSocket(data_provider, net_log));
 680   data_provider->set_socket(socket.get());
 681   if (bind_type == DatagramSocket::RANDOM_BIND)
 682     socket->set_source_port(rand_int_cb.Run(1025, 65535));
 683   return socket.PassAs<DatagramClientSocket>();
 684 }
 685
 686 scoped_ptr<StreamSocket> MockClientSocketFactory::CreateTransportClientSocket(
 687     const AddressList& addresses,
 688     net::NetLog* net_log,
 689     const net::NetLog::Source& source) {
 690   SocketDataProvider* data_provider = mock_data_.GetNext();
 691   scoped_ptr<MockTCPClientSocket> socket(
 692       new MockTCPClientSocket(addresses, net_log, data_provider));
 693   data_provider->set_socket(socket.get());
 694   return socket.PassAs<StreamSocket>();
 695 }
 696
 697 scoped_ptr<SSLClientSocket> MockClientSocketFactory::CreateSSLClientSocket(
 698     scoped_ptr<ClientSocketHandle> transport_socket,
 699     const HostPortPair& host_and_port,
 700     const SSLConfig& ssl_config,
 701     const SSLClientSocketContext& context) {
 702   return scoped_ptr<SSLClientSocket>(
 703       new MockSSLClientSocket(transport_socket.Pass(),
 704                               host_and_port, ssl_config,
 705                               mock_ssl_data_.GetNext()));
 706 }
 707
 708 void MockClientSocketFactory::ClearSSLSessionCache() {
 709 }
 710
 711 const char MockClientSocket::kTlsUnique[] = "MOCK_TLSUNIQ";
 712
 713 MockClientSocket::MockClientSocket(const BoundNetLog& net_log)
 714     : connected_(false),
 715       net_log_(net_log),
 716       weak_factory_(this) {
 717   IPAddressNumber ip;
 718   CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
 719   peer_addr_ = IPEndPoint(ip, 0);
 720 }
 721
 722 int MockClientSocket::SetReceiveBufferSize(int32 size) {
 723   return OK;
 724 }
 725
 726 int MockClientSocket::SetSendBufferSize(int32 size) {
 727   return OK;
 728 }
 729
 730 void MockClientSocket::Disconnect() {
 731   connected_ = false;
 732 }
 733
 734 bool MockClientSocket::IsConnected() const {
 735   return connected_;
 736 }
 737
 738 bool MockClientSocket::IsConnectedAndIdle() const {
 739   return connected_;
 740 }
 741
 742 int MockClientSocket::GetPeerAddress(IPEndPoint* address) const {
 743   if (!IsConnected())
 744     return ERR_SOCKET_NOT_CONNECTED;
 745   *address = peer_addr_;
 746   return OK;
 747 }
 748
 749 int MockClientSocket::GetLocalAddress(IPEndPoint* address) const {
 750   IPAddressNumber ip;
 751   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
 752   CHECK(rv);
 753   *address = IPEndPoint(ip, 123);
 754   return OK;
 755 }
 756
 757 const BoundNetLog& MockClientSocket::NetLog() const {
 758   return net_log_;
 759 }
 760
 761 void MockClientSocket::GetSSLCertRequestInfo(
 762   SSLCertRequestInfo* cert_request_info) {
 763 }
 764
 765 int MockClientSocket::ExportKeyingMaterial(const base::StringPiece& label,
 766                                            bool has_context,
 767                                            const base::StringPiece& context,
 768                                            unsigned char* out,
 769                                            unsigned int outlen) {
 770   memset(out, 'A', outlen);
 771   return OK;
 772 }
 773
 774 int MockClientSocket::GetTLSUniqueChannelBinding(std::string* out) {
 775   out->assign(MockClientSocket::kTlsUnique);
 776   return OK;
 777 }
 778
 779 ServerBoundCertService* MockClientSocket::GetServerBoundCertService() const {
 780   NOTREACHED();
 781   return NULL;
 782 }
 783
 784 SSLClientSocket::NextProtoStatus
 785 MockClientSocket::GetNextProto(std::string* proto, std::string* server_protos) {
 786   proto->clear();
 787   server_protos->clear();
 788   return SSLClientSocket::kNextProtoUnsupported;
 789 }
 790
 791 scoped_refptr<X509Certificate>
 792 MockClientSocket::GetUnverifiedServerCertificateChain() const {
 793   NOTREACHED();
 794   return NULL;
 795 }
 796
 797 MockClientSocket::~MockClientSocket() {}
 798
 799 void MockClientSocket::RunCallbackAsync(const CompletionCallback& callback,
 800                                         int result) {
 801   base::MessageLoop::current()->PostTask(
 802       FROM_HERE,
 803       base::Bind(&MockClientSocket::RunCallback,
 804                  weak_factory_.GetWeakPtr(),
 805                  callback,
 806                  result));
 807 }
 808
 809 void MockClientSocket::RunCallback(const net::CompletionCallback& callback,
 810                                    int result) {
 811   if (!callback.is_null())
 812     callback.Run(result);
 813 }
 814
 815 MockTCPClientSocket::MockTCPClientSocket(const AddressList& addresses,
 816                                          net::NetLog* net_log,
 817                                          SocketDataProvider* data)
 818     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
 819       addresses_(addresses),
 820       data_(data),
 821       read_offset_(0),
 822       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
 823       need_read_data_(true),
 824       peer_closed_connection_(false),
 825       pending_buf_(NULL),
 826       pending_buf_len_(0),
 827       was_used_to_convey_data_(false) {
 828   DCHECK(data_);
 829   peer_addr_ = data->connect_data().peer_addr;
 830   data_->Reset();
 831 }
 832
 833 MockTCPClientSocket::~MockTCPClientSocket() {}
 834
 835 int MockTCPClientSocket::Read(IOBuffer* buf, int buf_len,
 836                               const CompletionCallback& callback) {
 837   if (!connected_)
 838     return ERR_UNEXPECTED;
 839
 840   // If the buffer is already in use, a read is already in progress!
 841   DCHECK(pending_buf_ == NULL);
 842
 843   // Store our async IO data.
 844   pending_buf_ = buf;
 845   pending_buf_len_ = buf_len;
 846   pending_callback_ = callback;
 847
 848   if (need_read_data_) {
 849     read_data_ = data_->GetNextRead();
 850     if (read_data_.result == ERR_CONNECTION_CLOSED) {
 851       // This MockRead is just a marker to instruct us to set
 852       // peer_closed_connection_.
 853       peer_closed_connection_ = true;
 854     }
 855     if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
 856       // This MockRead is just a marker to instruct us to set
 857       // peer_closed_connection_.  Skip it and get the next one.
 858       read_data_ = data_->GetNextRead();
 859       peer_closed_connection_ = true;
 860     }
 861     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
 862     // to complete the async IO manually later (via OnReadComplete).
 863     if (read_data_.result == ERR_IO_PENDING) {
 864       // We need to be using async IO in this case.
 865       DCHECK(!callback.is_null());
 866       return ERR_IO_PENDING;
 867     }
 868     need_read_data_ = false;
 869   }
 870
 871   return CompleteRead();
 872 }
 873
 874 int MockTCPClientSocket::Write(IOBuffer* buf, int buf_len,
 875                                const CompletionCallback& callback) {
 876   DCHECK(buf);
 877   DCHECK_GT(buf_len, 0);
 878
 879   if (!connected_)
 880     return ERR_UNEXPECTED;
 881
 882   std::string data(buf->data(), buf_len);
 883   MockWriteResult write_result = data_->OnWrite(data);
 884
 885   was_used_to_convey_data_ = true;
 886
 887   if (write_result.mode == ASYNC) {
 888     RunCallbackAsync(callback, write_result.result);
 889     return ERR_IO_PENDING;
 890   }
 891
 892   return write_result.result;
 893 }
 894
 895 int MockTCPClientSocket::Connect(const CompletionCallback& callback) {
 896   if (connected_)
 897     return OK;
 898   connected_ = true;
 899   peer_closed_connection_ = false;
 900   if (data_->connect_data().mode == ASYNC) {
 901     if (data_->connect_data().result == ERR_IO_PENDING)
 902       pending_callback_ = callback;
 903     else
 904       RunCallbackAsync(callback, data_->connect_data().result);
 905     return ERR_IO_PENDING;
 906   }
 907   return data_->connect_data().result;
 908 }
 909
 910 void MockTCPClientSocket::Disconnect() {
 911   MockClientSocket::Disconnect();
 912   pending_callback_.Reset();
 913 }
 914
 915 bool MockTCPClientSocket::IsConnected() const {
 916   return connected_ && !peer_closed_connection_;
 917 }
 918
 919 bool MockTCPClientSocket::IsConnectedAndIdle() const {
 920   return IsConnected();
 921 }
 922
 923 int MockTCPClientSocket::GetPeerAddress(IPEndPoint* address) const {
 924   if (addresses_.empty())
 925     return MockClientSocket::GetPeerAddress(address);
 926
 927   *address = addresses_[0];
 928   return OK;
 929 }
 930
 931 bool MockTCPClientSocket::WasEverUsed() const {
 932   return was_used_to_convey_data_;
 933 }
 934
 935 bool MockTCPClientSocket::UsingTCPFastOpen() const {
 936   return false;
 937 }
 938
 939 bool MockTCPClientSocket::WasNpnNegotiated() const {
 940   return false;
 941 }
 942
 943 bool MockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
 944   return false;
 945 }
 946
 947 void MockTCPClientSocket::OnReadComplete(const MockRead& data) {
 948   // There must be a read pending.
 949   DCHECK(pending_buf_);
 950   // You can't complete a read with another ERR_IO_PENDING status code.
 951   DCHECK_NE(ERR_IO_PENDING, data.result);
 952   // Since we've been waiting for data, need_read_data_ should be true.
 953   DCHECK(need_read_data_);
 954
 955   read_data_ = data;
 956   need_read_data_ = false;
 957
 958   // The caller is simulating that this IO completes right now.  Don't
 959   // let CompleteRead() schedule a callback.
 960   read_data_.mode = SYNCHRONOUS;
 961
 962   CompletionCallback callback = pending_callback_;
 963   int rv = CompleteRead();
 964   RunCallback(callback, rv);
 965 }
 966
 967 void MockTCPClientSocket::OnConnectComplete(const MockConnect& data) {
 968   CompletionCallback callback = pending_callback_;
 969   RunCallback(callback, data.result);
 970 }
 971
 972 int MockTCPClientSocket::CompleteRead() {
 973   DCHECK(pending_buf_);
 974   DCHECK(pending_buf_len_ > 0);
 975
 976   was_used_to_convey_data_ = true;
 977
 978   // Save the pending async IO data and reset our |pending_| state.
 979   scoped_refptr<IOBuffer> buf = pending_buf_;
 980   int buf_len = pending_buf_len_;
 981   CompletionCallback callback = pending_callback_;
 982   pending_buf_ = NULL;
 983   pending_buf_len_ = 0;
 984   pending_callback_.Reset();
 985
 986   int result = read_data_.result;
 987   DCHECK(result != ERR_IO_PENDING);
 988
 989   if (read_data_.data) {
 990     if (read_data_.data_len - read_offset_ > 0) {
 991       result = std::min(buf_len, read_data_.data_len - read_offset_);
 992       memcpy(buf->data(), read_data_.data + read_offset_, result);
 993       read_offset_ += result;
 994       if (read_offset_ == read_data_.data_len) {
 995         need_read_data_ = true;
 996         read_offset_ = 0;
 997       }
 998     } else {
 999       result = 0;  // EOF
1000     }
1001   }
1002
1003   if (read_data_.mode == ASYNC) {
1004     DCHECK(!callback.is_null());
1005     RunCallbackAsync(callback, result);
1006     return ERR_IO_PENDING;
1007   }
1008   return result;
1009 }
1010
1011 DeterministicSocketHelper::DeterministicSocketHelper(
1012     net::NetLog* net_log,
1013     DeterministicSocketData* data)
1014     : write_pending_(false),
1015       write_result_(0),
1016       read_data_(),
1017       read_buf_(NULL),
1018       read_buf_len_(0),
1019       read_pending_(false),
1020       data_(data),
1021       was_used_to_convey_data_(false),
1022       peer_closed_connection_(false),
1023       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)) {
1024 }
1025
1026 DeterministicSocketHelper::~DeterministicSocketHelper() {}
1027
1028 void DeterministicSocketHelper::CompleteWrite() {
1029   was_used_to_convey_data_ = true;
1030   write_pending_ = false;
1031   write_callback_.Run(write_result_);
1032 }
1033
1034 int DeterministicSocketHelper::CompleteRead() {
1035   DCHECK_GT(read_buf_len_, 0);
1036   DCHECK_LE(read_data_.data_len, read_buf_len_);
1037   DCHECK(read_buf_);
1038
1039   was_used_to_convey_data_ = true;
1040
1041   if (read_data_.result == ERR_IO_PENDING)
1042     read_data_ = data_->GetNextRead();
1043   DCHECK_NE(ERR_IO_PENDING, read_data_.result);
1044   // If read_data_.mode is ASYNC, we do not need to wait, since this is already
1045   // the callback. Therefore we don't even bother to check it.
1046   int result = read_data_.result;
1047
1048   if (read_data_.data_len > 0) {
1049     DCHECK(read_data_.data);
1050     result = std::min(read_buf_len_, read_data_.data_len);
1051     memcpy(read_buf_->data(), read_data_.data, result);
1052   }
1053
1054   if (read_pending_) {
1055     read_pending_ = false;
1056     read_callback_.Run(result);
1057   }
1058
1059   return result;
1060 }
1061
1062 int DeterministicSocketHelper::Write(
1063     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1064   DCHECK(buf);
1065   DCHECK_GT(buf_len, 0);
1066
1067   std::string data(buf->data(), buf_len);
1068   MockWriteResult write_result = data_->OnWrite(data);
1069
1070   if (write_result.mode == ASYNC) {
1071     write_callback_ = callback;
1072     write_result_ = write_result.result;
1073     DCHECK(!write_callback_.is_null());
1074     write_pending_ = true;
1075     return ERR_IO_PENDING;
1076   }
1077
1078   was_used_to_convey_data_ = true;
1079   write_pending_ = false;
1080   return write_result.result;
1081 }
1082
1083 int DeterministicSocketHelper::Read(
1084     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1085
1086   read_data_ = data_->GetNextRead();
1087   // The buffer should always be big enough to contain all the MockRead data. To
1088   // use small buffers, split the data into multiple MockReads.
1089   DCHECK_LE(read_data_.data_len, buf_len);
1090
1091   if (read_data_.result == ERR_CONNECTION_CLOSED) {
1092     // This MockRead is just a marker to instruct us to set
1093     // peer_closed_connection_.
1094     peer_closed_connection_ = true;
1095   }
1096   if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
1097     // This MockRead is just a marker to instruct us to set
1098     // peer_closed_connection_.  Skip it and get the next one.
1099     read_data_ = data_->GetNextRead();
1100     peer_closed_connection_ = true;
1101   }
1102
1103   read_buf_ = buf;
1104   read_buf_len_ = buf_len;
1105   read_callback_ = callback;
1106
1107   if (read_data_.mode == ASYNC || (read_data_.result == ERR_IO_PENDING)) {
1108     read_pending_ = true;
1109     DCHECK(!read_callback_.is_null());
1110     return ERR_IO_PENDING;
1111   }
1112
1113   was_used_to_convey_data_ = true;
1114   return CompleteRead();
1115 }
1116
1117 DeterministicMockUDPClientSocket::DeterministicMockUDPClientSocket(
1118     net::NetLog* net_log,
1119     DeterministicSocketData* data)
1120     : connected_(false),
1121       helper_(net_log, data),
1122       source_port_(123) {
1123 }
1124
1125 DeterministicMockUDPClientSocket::~DeterministicMockUDPClientSocket() {}
1126
1127 bool DeterministicMockUDPClientSocket::WritePending() const {
1128   return helper_.write_pending();
1129 }
1130
1131 bool DeterministicMockUDPClientSocket::ReadPending() const {
1132   return helper_.read_pending();
1133 }
1134
1135 void DeterministicMockUDPClientSocket::CompleteWrite() {
1136   helper_.CompleteWrite();
1137 }
1138
1139 int DeterministicMockUDPClientSocket::CompleteRead() {
1140   return helper_.CompleteRead();
1141 }
1142
1143 int DeterministicMockUDPClientSocket::Connect(const IPEndPoint& address) {
1144   if (connected_)
1145     return OK;
1146   connected_ = true;
1147   peer_address_ = address;
1148   return helper_.data()->connect_data().result;
1149 };
1150
1151 int DeterministicMockUDPClientSocket::Write(
1152     IOBuffer* buf,
1153     int buf_len,
1154     const CompletionCallback& callback) {
1155   if (!connected_)
1156     return ERR_UNEXPECTED;
1157
1158   return helper_.Write(buf, buf_len, callback);
1159 }
1160
1161 int DeterministicMockUDPClientSocket::Read(
1162     IOBuffer* buf,
1163     int buf_len,
1164     const CompletionCallback& callback) {
1165   if (!connected_)
1166     return ERR_UNEXPECTED;
1167
1168   return helper_.Read(buf, buf_len, callback);
1169 }
1170
1171 int DeterministicMockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1172   return OK;
1173 }
1174
1175 int DeterministicMockUDPClientSocket::SetSendBufferSize(int32 size) {
1176   return OK;
1177 }
1178
1179 void DeterministicMockUDPClientSocket::Close() {
1180   connected_ = false;
1181 }
1182
1183 int DeterministicMockUDPClientSocket::GetPeerAddress(
1184     IPEndPoint* address) const {
1185   *address = peer_address_;
1186   return OK;
1187 }
1188
1189 int DeterministicMockUDPClientSocket::GetLocalAddress(
1190     IPEndPoint* address) const {
1191   IPAddressNumber ip;
1192   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1193   CHECK(rv);
1194   *address = IPEndPoint(ip, source_port_);
1195   return OK;
1196 }
1197
1198 const BoundNetLog& DeterministicMockUDPClientSocket::NetLog() const {
1199   return helper_.net_log();
1200 }
1201
1202 void DeterministicMockUDPClientSocket::OnReadComplete(const MockRead& data) {}
1203
1204 void DeterministicMockUDPClientSocket::OnConnectComplete(
1205     const MockConnect& data) {
1206   NOTIMPLEMENTED();
1207 }
1208
1209 DeterministicMockTCPClientSocket::DeterministicMockTCPClientSocket(
1210     net::NetLog* net_log,
1211     DeterministicSocketData* data)
1212     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1213       helper_(net_log, data) {
1214   peer_addr_ = data->connect_data().peer_addr;
1215 }
1216
1217 DeterministicMockTCPClientSocket::~DeterministicMockTCPClientSocket() {}
1218
1219 bool DeterministicMockTCPClientSocket::WritePending() const {
1220   return helper_.write_pending();
1221 }
1222
1223 bool DeterministicMockTCPClientSocket::ReadPending() const {
1224   return helper_.read_pending();
1225 }
1226
1227 void DeterministicMockTCPClientSocket::CompleteWrite() {
1228   helper_.CompleteWrite();
1229 }
1230
1231 int DeterministicMockTCPClientSocket::CompleteRead() {
1232   return helper_.CompleteRead();
1233 }
1234
1235 int DeterministicMockTCPClientSocket::Write(
1236     IOBuffer* buf,
1237     int buf_len,
1238     const CompletionCallback& callback) {
1239   if (!connected_)
1240     return ERR_UNEXPECTED;
1241
1242   return helper_.Write(buf, buf_len, callback);
1243 }
1244
1245 int DeterministicMockTCPClientSocket::Read(
1246     IOBuffer* buf,
1247     int buf_len,
1248     const CompletionCallback& callback) {
1249   if (!connected_)
1250     return ERR_UNEXPECTED;
1251
1252   return helper_.Read(buf, buf_len, callback);
1253 }
1254
1255 // TODO(erikchen): Support connect sequencing.
1256 int DeterministicMockTCPClientSocket::Connect(
1257     const CompletionCallback& callback) {
1258   if (connected_)
1259     return OK;
1260   connected_ = true;
1261   if (helper_.data()->connect_data().mode == ASYNC) {
1262     RunCallbackAsync(callback, helper_.data()->connect_data().result);
1263     return ERR_IO_PENDING;
1264   }
1265   return helper_.data()->connect_data().result;
1266 }
1267
1268 void DeterministicMockTCPClientSocket::Disconnect() {
1269   MockClientSocket::Disconnect();
1270 }
1271
1272 bool DeterministicMockTCPClientSocket::IsConnected() const {
1273   return connected_ && !helper_.peer_closed_connection();
1274 }
1275
1276 bool DeterministicMockTCPClientSocket::IsConnectedAndIdle() const {
1277   return IsConnected();
1278 }
1279
1280 bool DeterministicMockTCPClientSocket::WasEverUsed() const {
1281   return helper_.was_used_to_convey_data();
1282 }
1283
1284 bool DeterministicMockTCPClientSocket::UsingTCPFastOpen() const {
1285   return false;
1286 }
1287
1288 bool DeterministicMockTCPClientSocket::WasNpnNegotiated() const {
1289   return false;
1290 }
1291
1292 bool DeterministicMockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1293   return false;
1294 }
1295
1296 void DeterministicMockTCPClientSocket::OnReadComplete(const MockRead& data) {}
1297
1298 void DeterministicMockTCPClientSocket::OnConnectComplete(
1299     const MockConnect& data) {}
1300
1301 // static
1302 void MockSSLClientSocket::ConnectCallback(
1303     MockSSLClientSocket* ssl_client_socket,
1304     const CompletionCallback& callback,
1305     int rv) {
1306   if (rv == OK)
1307     ssl_client_socket->connected_ = true;
1308   callback.Run(rv);
1309 }
1310
1311 MockSSLClientSocket::MockSSLClientSocket(
1312     scoped_ptr<ClientSocketHandle> transport_socket,
1313     const HostPortPair& host_port_pair,
1314     const SSLConfig& ssl_config,
1315     SSLSocketDataProvider* data)
1316     : MockClientSocket(
1317          // Have to use the right BoundNetLog for LoadTimingInfo regression
1318          // tests.
1319          transport_socket->socket()->NetLog()),
1320       transport_(transport_socket.Pass()),
1321       data_(data),
1322       is_npn_state_set_(false),
1323       new_npn_value_(false),
1324       is_protocol_negotiated_set_(false),
1325       protocol_negotiated_(kProtoUnknown) {
1326   DCHECK(data_);
1327   peer_addr_ = data->connect.peer_addr;
1328 }
1329
1330 MockSSLClientSocket::~MockSSLClientSocket() {
1331   Disconnect();
1332 }
1333
1334 int MockSSLClientSocket::Read(IOBuffer* buf, int buf_len,
1335                               const CompletionCallback& callback) {
1336   return transport_->socket()->Read(buf, buf_len, callback);
1337 }
1338
1339 int MockSSLClientSocket::Write(IOBuffer* buf, int buf_len,
1340                                const CompletionCallback& callback) {
1341   return transport_->socket()->Write(buf, buf_len, callback);
1342 }
1343
1344 int MockSSLClientSocket::Connect(const CompletionCallback& callback) {
1345   int rv = transport_->socket()->Connect(
1346       base::Bind(&ConnectCallback, base::Unretained(this), callback));
1347   if (rv == OK) {
1348     if (data_->connect.result == OK)
1349       connected_ = true;
1350     if (data_->connect.mode == ASYNC) {
1351       RunCallbackAsync(callback, data_->connect.result);
1352       return ERR_IO_PENDING;
1353     }
1354     return data_->connect.result;
1355   }
1356   return rv;
1357 }
1358
1359 void MockSSLClientSocket::Disconnect() {
1360   MockClientSocket::Disconnect();
1361   if (transport_->socket() != NULL)
1362     transport_->socket()->Disconnect();
1363 }
1364
1365 bool MockSSLClientSocket::IsConnected() const {
1366   return transport_->socket()->IsConnected();
1367 }
1368
1369 bool MockSSLClientSocket::WasEverUsed() const {
1370   return transport_->socket()->WasEverUsed();
1371 }
1372
1373 bool MockSSLClientSocket::UsingTCPFastOpen() const {
1374   return transport_->socket()->UsingTCPFastOpen();
1375 }
1376
1377 int MockSSLClientSocket::GetPeerAddress(IPEndPoint* address) const {
1378   return transport_->socket()->GetPeerAddress(address);
1379 }
1380
1381 bool MockSSLClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1382   ssl_info->Reset();
1383   ssl_info->cert = data_->cert;
1384   ssl_info->client_cert_sent = data_->client_cert_sent;
1385   ssl_info->channel_id_sent = data_->channel_id_sent;
1386   ssl_info->connection_status = data_->connection_status;
1387   return true;
1388 }
1389
1390 void MockSSLClientSocket::GetSSLCertRequestInfo(
1391     SSLCertRequestInfo* cert_request_info) {
1392   DCHECK(cert_request_info);
1393   if (data_->cert_request_info) {
1394     cert_request_info->host_and_port =
1395         data_->cert_request_info->host_and_port;
1396     cert_request_info->client_certs = data_->cert_request_info->client_certs;
1397   } else {
1398     cert_request_info->Reset();
1399   }
1400 }
1401
1402 SSLClientSocket::NextProtoStatus MockSSLClientSocket::GetNextProto(
1403     std::string* proto, std::string* server_protos) {
1404   *proto = data_->next_proto;
1405   *server_protos = data_->server_protos;
1406   return data_->next_proto_status;
1407 }
1408
1409 bool MockSSLClientSocket::set_was_npn_negotiated(bool negotiated) {
1410   is_npn_state_set_ = true;
1411   return new_npn_value_ = negotiated;
1412 }
1413
1414 bool MockSSLClientSocket::WasNpnNegotiated() const {
1415   if (is_npn_state_set_)
1416     return new_npn_value_;
1417   return data_->was_npn_negotiated;
1418 }
1419
1420 NextProto MockSSLClientSocket::GetNegotiatedProtocol() const {
1421   if (is_protocol_negotiated_set_)
1422     return protocol_negotiated_;
1423   return data_->protocol_negotiated;
1424 }
1425
1426 void MockSSLClientSocket::set_protocol_negotiated(
1427     NextProto protocol_negotiated) {
1428   is_protocol_negotiated_set_ = true;
1429   protocol_negotiated_ = protocol_negotiated;
1430 }
1431
1432 bool MockSSLClientSocket::WasChannelIDSent() const {
1433   return data_->channel_id_sent;
1434 }
1435
1436 void MockSSLClientSocket::set_channel_id_sent(bool channel_id_sent) {
1437   data_->channel_id_sent = channel_id_sent;
1438 }
1439
1440 ServerBoundCertService* MockSSLClientSocket::GetServerBoundCertService() const {
1441   return data_->server_bound_cert_service;
1442 }
1443
1444 void MockSSLClientSocket::OnReadComplete(const MockRead& data) {
1445   NOTIMPLEMENTED();
1446 }
1447
1448 void MockSSLClientSocket::OnConnectComplete(const MockConnect& data) {
1449   NOTIMPLEMENTED();
1450 }
1451
1452 MockUDPClientSocket::MockUDPClientSocket(SocketDataProvider* data,
1453                                          net::NetLog* net_log)
1454     : connected_(false),
1455       data_(data),
1456       read_offset_(0),
1457       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
1458       need_read_data_(true),
1459       source_port_(123),
1460       pending_buf_(NULL),
1461       pending_buf_len_(0),
1462       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1463       weak_factory_(this) {
1464   DCHECK(data_);
1465   data_->Reset();
1466   peer_addr_ = data->connect_data().peer_addr;
1467 }
1468
1469 MockUDPClientSocket::~MockUDPClientSocket() {}
1470
1471 int MockUDPClientSocket::Read(IOBuffer* buf,
1472                               int buf_len,
1473                               const CompletionCallback& callback) {
1474   if (!connected_)
1475     return ERR_UNEXPECTED;
1476
1477   // If the buffer is already in use, a read is already in progress!
1478   DCHECK(pending_buf_ == NULL);
1479
1480   // Store our async IO data.
1481   pending_buf_ = buf;
1482   pending_buf_len_ = buf_len;
1483   pending_callback_ = callback;
1484
1485   if (need_read_data_) {
1486     read_data_ = data_->GetNextRead();
1487     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
1488     // to complete the async IO manually later (via OnReadComplete).
1489     if (read_data_.result == ERR_IO_PENDING) {
1490       // We need to be using async IO in this case.
1491       DCHECK(!callback.is_null());
1492       return ERR_IO_PENDING;
1493     }
1494     need_read_data_ = false;
1495   }
1496
1497   return CompleteRead();
1498 }
1499
1500 int MockUDPClientSocket::Write(IOBuffer* buf, int buf_len,
1501                                const CompletionCallback& callback) {
1502   DCHECK(buf);
1503   DCHECK_GT(buf_len, 0);
1504
1505   if (!connected_)
1506     return ERR_UNEXPECTED;
1507
1508   std::string data(buf->data(), buf_len);
1509   MockWriteResult write_result = data_->OnWrite(data);
1510
1511   if (write_result.mode == ASYNC) {
1512     RunCallbackAsync(callback, write_result.result);
1513     return ERR_IO_PENDING;
1514   }
1515   return write_result.result;
1516 }
1517
1518 int MockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1519   return OK;
1520 }
1521
1522 int MockUDPClientSocket::SetSendBufferSize(int32 size) {
1523   return OK;
1524 }
1525
1526 void MockUDPClientSocket::Close() {
1527   connected_ = false;
1528 }
1529
1530 int MockUDPClientSocket::GetPeerAddress(IPEndPoint* address) const {
1531   *address = peer_addr_;
1532   return OK;
1533 }
1534
1535 int MockUDPClientSocket::GetLocalAddress(IPEndPoint* address) const {
1536   IPAddressNumber ip;
1537   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1538   CHECK(rv);
1539   *address = IPEndPoint(ip, source_port_);
1540   return OK;
1541 }
1542
1543 const BoundNetLog& MockUDPClientSocket::NetLog() const {
1544   return net_log_;
1545 }
1546
1547 int MockUDPClientSocket::Connect(const IPEndPoint& address) {
1548   connected_ = true;
1549   peer_addr_ = address;
1550   return data_->connect_data().result;
1551 }
1552
1553 void MockUDPClientSocket::OnReadComplete(const MockRead& data) {
1554   // There must be a read pending.
1555   DCHECK(pending_buf_);
1556   // You can't complete a read with another ERR_IO_PENDING status code.
1557   DCHECK_NE(ERR_IO_PENDING, data.result);
1558   // Since we've been waiting for data, need_read_data_ should be true.
1559   DCHECK(need_read_data_);
1560
1561   read_data_ = data;
1562   need_read_data_ = false;
1563
1564   // The caller is simulating that this IO completes right now.  Don't
1565   // let CompleteRead() schedule a callback.
1566   read_data_.mode = SYNCHRONOUS;
1567
1568   net::CompletionCallback callback = pending_callback_;
1569   int rv = CompleteRead();
1570   RunCallback(callback, rv);
1571 }
1572
1573 void MockUDPClientSocket::OnConnectComplete(const MockConnect& data) {
1574   NOTIMPLEMENTED();
1575 }
1576
1577 int MockUDPClientSocket::CompleteRead() {
1578   DCHECK(pending_buf_);
1579   DCHECK(pending_buf_len_ > 0);
1580
1581   // Save the pending async IO data and reset our |pending_| state.
1582   scoped_refptr<IOBuffer> buf = pending_buf_;
1583   int buf_len = pending_buf_len_;
1584   CompletionCallback callback = pending_callback_;
1585   pending_buf_ = NULL;
1586   pending_buf_len_ = 0;
1587   pending_callback_.Reset();
1588
1589   int result = read_data_.result;
1590   DCHECK(result != ERR_IO_PENDING);
1591
1592   if (read_data_.data) {
1593     if (read_data_.data_len - read_offset_ > 0) {
1594       result = std::min(buf_len, read_data_.data_len - read_offset_);
1595       memcpy(buf->data(), read_data_.data + read_offset_, result);
1596       read_offset_ += result;
1597       if (read_offset_ == read_data_.data_len) {
1598         need_read_data_ = true;
1599         read_offset_ = 0;
1600       }
1601     } else {
1602       result = 0;  // EOF
1603     }
1604   }
1605
1606   if (read_data_.mode == ASYNC) {
1607     DCHECK(!callback.is_null());
1608     RunCallbackAsync(callback, result);
1609     return ERR_IO_PENDING;
1610   }
1611   return result;
1612 }
1613
1614 void MockUDPClientSocket::RunCallbackAsync(const CompletionCallback& callback,
1615                                            int result) {
1616   base::MessageLoop::current()->PostTask(
1617       FROM_HERE,
1618       base::Bind(&MockUDPClientSocket::RunCallback,
1619                  weak_factory_.GetWeakPtr(),
1620                  callback,
1621                  result));
1622 }
1623
1624 void MockUDPClientSocket::RunCallback(const CompletionCallback& callback,
1625                                       int result) {
1626   if (!callback.is_null())
1627     callback.Run(result);
1628 }
1629
1630 TestSocketRequest::TestSocketRequest(
1631     std::vector<TestSocketRequest*>* request_order, size_t* completion_count)
1632     : request_order_(request_order),
1633       completion_count_(completion_count),
1634       callback_(base::Bind(&TestSocketRequest::OnComplete,
1635                            base::Unretained(this))) {
1636   DCHECK(request_order);
1637   DCHECK(completion_count);
1638 }
1639
1640 TestSocketRequest::~TestSocketRequest() {
1641 }
1642
1643 void TestSocketRequest::OnComplete(int result) {
1644   SetResult(result);
1645   (*completion_count_)++;
1646   request_order_->push_back(this);
1647 }
1648
1649 // static
1650 const int ClientSocketPoolTest::kIndexOutOfBounds = -1;
1651
1652 // static
1653 const int ClientSocketPoolTest::kRequestNotFound = -2;
1654
1655 ClientSocketPoolTest::ClientSocketPoolTest() : completion_count_(0) {}
1656 ClientSocketPoolTest::~ClientSocketPoolTest() {}
1657
1658 int ClientSocketPoolTest::GetOrderOfRequest(size_t index) const {
1659   index--;
1660   if (index >= requests_.size())
1661     return kIndexOutOfBounds;
1662
1663   for (size_t i = 0; i < request_order_.size(); i++)
1664     if (requests_[index] == request_order_[i])
1665       return i + 1;
1666
1667   return kRequestNotFound;
1668 }
1669
1670 bool ClientSocketPoolTest::ReleaseOneConnection(KeepAlive keep_alive) {
1671   ScopedVector<TestSocketRequest>::iterator i;
1672   for (i = requests_.begin(); i != requests_.end(); ++i) {
1673     if ((*i)->handle()->is_initialized()) {
1674       if (keep_alive == NO_KEEP_ALIVE)
1675         (*i)->handle()->socket()->Disconnect();
1676       (*i)->handle()->Reset();
1677       base::RunLoop().RunUntilIdle();
1678       return true;
1679     }
1680   }
1681   return false;
1682 }
1683
1684 void ClientSocketPoolTest::ReleaseAllConnections(KeepAlive keep_alive) {
1685   bool released_one;
1686   do {
1687     released_one = ReleaseOneConnection(keep_alive);
1688   } while (released_one);
1689 }
1690
1691 MockTransportClientSocketPool::MockConnectJob::MockConnectJob(
1692     scoped_ptr<StreamSocket> socket,
1693     ClientSocketHandle* handle,
1694     const CompletionCallback& callback)
1695     : socket_(socket.Pass()),
1696       handle_(handle),
1697       user_callback_(callback) {
1698 }
1699
1700 MockTransportClientSocketPool::MockConnectJob::~MockConnectJob() {}
1701
1702 int MockTransportClientSocketPool::MockConnectJob::Connect() {
1703   int rv = socket_->Connect(base::Bind(&MockConnectJob::OnConnect,
1704                                        base::Unretained(this)));
1705   if (rv == OK) {
1706     user_callback_.Reset();
1707     OnConnect(OK);
1708   }
1709   return rv;
1710 }
1711
1712 bool MockTransportClientSocketPool::MockConnectJob::CancelHandle(
1713     const ClientSocketHandle* handle) {
1714   if (handle != handle_)
1715     return false;
1716   socket_.reset();
1717   handle_ = NULL;
1718   user_callback_.Reset();
1719   return true;
1720 }
1721
1722 void MockTransportClientSocketPool::MockConnectJob::OnConnect(int rv) {
1723   if (!socket_.get())
1724     return;
1725   if (rv == OK) {
1726     handle_->SetSocket(socket_.Pass());
1727
1728     // Needed for socket pool tests that layer other sockets on top of mock
1729     // sockets.
1730     LoadTimingInfo::ConnectTiming connect_timing;
1731     base::TimeTicks now = base::TimeTicks::Now();
1732     connect_timing.dns_start = now;
1733     connect_timing.dns_end = now;
1734     connect_timing.connect_start = now;
1735     connect_timing.connect_end = now;
1736     handle_->set_connect_timing(connect_timing);
1737   } else {
1738     socket_.reset();
1739   }
1740
1741   handle_ = NULL;
1742
1743   if (!user_callback_.is_null()) {
1744     CompletionCallback callback = user_callback_;
1745     user_callback_.Reset();
1746     callback.Run(rv);
1747   }
1748 }
1749
1750 MockTransportClientSocketPool::MockTransportClientSocketPool(
1751     int max_sockets,
1752     int max_sockets_per_group,
1753     ClientSocketPoolHistograms* histograms,
1754     ClientSocketFactory* socket_factory)
1755     : TransportClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1756                                 NULL, NULL, NULL),
1757       client_socket_factory_(socket_factory),
1758       last_request_priority_(DEFAULT_PRIORITY),
1759       release_count_(0),
1760       cancel_count_(0) {
1761 }
1762
1763 MockTransportClientSocketPool::~MockTransportClientSocketPool() {}
1764
1765 int MockTransportClientSocketPool::RequestSocket(
1766     const std::string& group_name, const void* socket_params,
1767     RequestPriority priority, ClientSocketHandle* handle,
1768     const CompletionCallback& callback, const BoundNetLog& net_log) {
1769   last_request_priority_ = priority;
1770   scoped_ptr<StreamSocket> socket =
1771       client_socket_factory_->CreateTransportClientSocket(
1772           AddressList(), net_log.net_log(), net::NetLog::Source());
1773   MockConnectJob* job = new MockConnectJob(socket.Pass(), handle, callback);
1774   job_list_.push_back(job);
1775   handle->set_pool_id(1);
1776   return job->Connect();
1777 }
1778
1779 void MockTransportClientSocketPool::CancelRequest(const std::string& group_name,
1780                                                   ClientSocketHandle* handle) {
1781   std::vector<MockConnectJob*>::iterator i;
1782   for (i = job_list_.begin(); i != job_list_.end(); ++i) {
1783     if ((*i)->CancelHandle(handle)) {
1784       cancel_count_++;
1785       break;
1786     }
1787   }
1788 }
1789
1790 void MockTransportClientSocketPool::ReleaseSocket(
1791     const std::string& group_name,
1792     scoped_ptr<StreamSocket> socket,
1793     int id) {
1794   EXPECT_EQ(1, id);
1795   release_count_++;
1796 }
1797
1798 DeterministicMockClientSocketFactory::DeterministicMockClientSocketFactory() {}
1799
1800 DeterministicMockClientSocketFactory::~DeterministicMockClientSocketFactory() {}
1801
1802 void DeterministicMockClientSocketFactory::AddSocketDataProvider(
1803     DeterministicSocketData* data) {
1804   mock_data_.Add(data);
1805 }
1806
1807 void DeterministicMockClientSocketFactory::AddSSLSocketDataProvider(
1808     SSLSocketDataProvider* data) {
1809   mock_ssl_data_.Add(data);
1810 }
1811
1812 void DeterministicMockClientSocketFactory::ResetNextMockIndexes() {
1813   mock_data_.ResetNextIndex();
1814   mock_ssl_data_.ResetNextIndex();
1815 }
1816
1817 MockSSLClientSocket* DeterministicMockClientSocketFactory::
1818     GetMockSSLClientSocket(size_t index) const {
1819   DCHECK_LT(index, ssl_client_sockets_.size());
1820   return ssl_client_sockets_[index];
1821 }
1822
1823 scoped_ptr<DatagramClientSocket>
1824 DeterministicMockClientSocketFactory::CreateDatagramClientSocket(
1825     DatagramSocket::BindType bind_type,
1826     const RandIntCallback& rand_int_cb,
1827     net::NetLog* net_log,
1828     const NetLog::Source& source) {
1829   DeterministicSocketData* data_provider = mock_data().GetNext();
1830   scoped_ptr<DeterministicMockUDPClientSocket> socket(
1831       new DeterministicMockUDPClientSocket(net_log, data_provider));
1832   data_provider->set_delegate(socket->AsWeakPtr());
1833   udp_client_sockets().push_back(socket.get());
1834   if (bind_type == DatagramSocket::RANDOM_BIND)
1835     socket->set_source_port(rand_int_cb.Run(1025, 65535));
1836   return socket.PassAs<DatagramClientSocket>();
1837 }
1838
1839 scoped_ptr<StreamSocket>
1840 DeterministicMockClientSocketFactory::CreateTransportClientSocket(
1841     const AddressList& addresses,
1842     net::NetLog* net_log,
1843     const net::NetLog::Source& source) {
1844   DeterministicSocketData* data_provider = mock_data().GetNext();
1845   scoped_ptr<DeterministicMockTCPClientSocket> socket(
1846       new DeterministicMockTCPClientSocket(net_log, data_provider));
1847   data_provider->set_delegate(socket->AsWeakPtr());
1848   tcp_client_sockets().push_back(socket.get());
1849   return socket.PassAs<StreamSocket>();
1850 }
1851
1852 scoped_ptr<SSLClientSocket>
1853 DeterministicMockClientSocketFactory::CreateSSLClientSocket(
1854     scoped_ptr<ClientSocketHandle> transport_socket,
1855     const HostPortPair& host_and_port,
1856     const SSLConfig& ssl_config,
1857     const SSLClientSocketContext& context) {
1858   scoped_ptr<MockSSLClientSocket> socket(
1859       new MockSSLClientSocket(transport_socket.Pass(),
1860                               host_and_port, ssl_config,
1861                               mock_ssl_data_.GetNext()));
1862   ssl_client_sockets_.push_back(socket.get());
1863   return socket.PassAs<SSLClientSocket>();
1864 }
1865
1866 void DeterministicMockClientSocketFactory::ClearSSLSessionCache() {
1867 }
1868
1869 MockSOCKSClientSocketPool::MockSOCKSClientSocketPool(
1870     int max_sockets,
1871     int max_sockets_per_group,
1872     ClientSocketPoolHistograms* histograms,
1873     TransportClientSocketPool* transport_pool)
1874     : SOCKSClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1875                             NULL, transport_pool, NULL),
1876       transport_pool_(transport_pool) {
1877 }
1878
1879 MockSOCKSClientSocketPool::~MockSOCKSClientSocketPool() {}
1880
1881 int MockSOCKSClientSocketPool::RequestSocket(
1882     const std::string& group_name, const void* socket_params,
1883     RequestPriority priority, ClientSocketHandle* handle,
1884     const CompletionCallback& callback, const BoundNetLog& net_log) {
1885   return transport_pool_->RequestSocket(
1886       group_name, socket_params, priority, handle, callback, net_log);
1887 }
1888
1889 void MockSOCKSClientSocketPool::CancelRequest(
1890     const std::string& group_name,
1891     ClientSocketHandle* handle) {
1892   return transport_pool_->CancelRequest(group_name, handle);
1893 }
1894
1895 void MockSOCKSClientSocketPool::ReleaseSocket(const std::string& group_name,
1896                                               scoped_ptr<StreamSocket> socket,
1897                                               int id) {
1898   return transport_pool_->ReleaseSocket(group_name, socket.Pass(), id);
1899 }
1900
1901 const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
1902 const int kSOCKS5GreetRequestLength = arraysize(kSOCKS5GreetRequest);
1903
1904 const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
1905 const int kSOCKS5GreetResponseLength = arraysize(kSOCKS5GreetResponse);
1906
1907 const char kSOCKS5OkRequest[] =
1908     { 0x05, 0x01, 0x00, 0x03, 0x04, 'h', 'o', 's', 't', 0x00, 0x50 };
1909 const int kSOCKS5OkRequestLength = arraysize(kSOCKS5OkRequest);
1910
1911 const char kSOCKS5OkResponse[] =
1912     { 0x05, 0x00, 0x00, 0x01, 127, 0, 0, 1, 0x00, 0x50 };
1913 const int kSOCKS5OkResponseLength = arraysize(kSOCKS5OkResponse);
1914
1915 }  // namespace net