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 ChannelIDService* MockClientSocket::GetChannelIDService() const {
 780   NOTREACHED();
 781   return NULL;
 782 }
 783
 784 SSLClientSocket::NextProtoStatus
 785 MockClientSocket::GetNextProto(std::string* proto) {
 786   proto->clear();
 787   return SSLClientSocket::kNextProtoUnsupported;
 788 }
 789
 790 scoped_refptr<X509Certificate>
 791 MockClientSocket::GetUnverifiedServerCertificateChain() const {
 792   NOTREACHED();
 793   return NULL;
 794 }
 795
 796 MockClientSocket::~MockClientSocket() {}
 797
 798 void MockClientSocket::RunCallbackAsync(const CompletionCallback& callback,
 799                                         int result) {
 800   base::MessageLoop::current()->PostTask(
 801       FROM_HERE,
 802       base::Bind(&MockClientSocket::RunCallback,
 803                  weak_factory_.GetWeakPtr(),
 804                  callback,
 805                  result));
 806 }
 807
 808 void MockClientSocket::RunCallback(const net::CompletionCallback& callback,
 809                                    int result) {
 810   if (!callback.is_null())
 811     callback.Run(result);
 812 }
 813
 814 MockTCPClientSocket::MockTCPClientSocket(const AddressList& addresses,
 815                                          net::NetLog* net_log,
 816                                          SocketDataProvider* data)
 817     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
 818       addresses_(addresses),
 819       data_(data),
 820       read_offset_(0),
 821       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
 822       need_read_data_(true),
 823       peer_closed_connection_(false),
 824       pending_buf_(NULL),
 825       pending_buf_len_(0),
 826       was_used_to_convey_data_(false) {
 827   DCHECK(data_);
 828   peer_addr_ = data->connect_data().peer_addr;
 829   data_->Reset();
 830 }
 831
 832 MockTCPClientSocket::~MockTCPClientSocket() {}
 833
 834 int MockTCPClientSocket::Read(IOBuffer* buf, int buf_len,
 835                               const CompletionCallback& callback) {
 836   if (!connected_)
 837     return ERR_UNEXPECTED;
 838
 839   // If the buffer is already in use, a read is already in progress!
 840   DCHECK(pending_buf_ == NULL);
 841
 842   // Store our async IO data.
 843   pending_buf_ = buf;
 844   pending_buf_len_ = buf_len;
 845   pending_callback_ = callback;
 846
 847   if (need_read_data_) {
 848     read_data_ = data_->GetNextRead();
 849     if (read_data_.result == ERR_CONNECTION_CLOSED) {
 850       // This MockRead is just a marker to instruct us to set
 851       // peer_closed_connection_.
 852       peer_closed_connection_ = true;
 853     }
 854     if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
 855       // This MockRead is just a marker to instruct us to set
 856       // peer_closed_connection_.  Skip it and get the next one.
 857       read_data_ = data_->GetNextRead();
 858       peer_closed_connection_ = true;
 859     }
 860     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
 861     // to complete the async IO manually later (via OnReadComplete).
 862     if (read_data_.result == ERR_IO_PENDING) {
 863       // We need to be using async IO in this case.
 864       DCHECK(!callback.is_null());
 865       return ERR_IO_PENDING;
 866     }
 867     need_read_data_ = false;
 868   }
 869
 870   return CompleteRead();
 871 }
 872
 873 int MockTCPClientSocket::Write(IOBuffer* buf, int buf_len,
 874                                const CompletionCallback& callback) {
 875   DCHECK(buf);
 876   DCHECK_GT(buf_len, 0);
 877
 878   if (!connected_)
 879     return ERR_UNEXPECTED;
 880
 881   std::string data(buf->data(), buf_len);
 882   MockWriteResult write_result = data_->OnWrite(data);
 883
 884   was_used_to_convey_data_ = true;
 885
 886   if (write_result.mode == ASYNC) {
 887     RunCallbackAsync(callback, write_result.result);
 888     return ERR_IO_PENDING;
 889   }
 890
 891   return write_result.result;
 892 }
 893
 894 int MockTCPClientSocket::Connect(const CompletionCallback& callback) {
 895   if (connected_)
 896     return OK;
 897   connected_ = true;
 898   peer_closed_connection_ = false;
 899   if (data_->connect_data().mode == ASYNC) {
 900     if (data_->connect_data().result == ERR_IO_PENDING)
 901       pending_callback_ = callback;
 902     else
 903       RunCallbackAsync(callback, data_->connect_data().result);
 904     return ERR_IO_PENDING;
 905   }
 906   return data_->connect_data().result;
 907 }
 908
 909 void MockTCPClientSocket::Disconnect() {
 910   MockClientSocket::Disconnect();
 911   pending_callback_.Reset();
 912 }
 913
 914 bool MockTCPClientSocket::IsConnected() const {
 915   return connected_ && !peer_closed_connection_;
 916 }
 917
 918 bool MockTCPClientSocket::IsConnectedAndIdle() const {
 919   return IsConnected();
 920 }
 921
 922 int MockTCPClientSocket::GetPeerAddress(IPEndPoint* address) const {
 923   if (addresses_.empty())
 924     return MockClientSocket::GetPeerAddress(address);
 925
 926   *address = addresses_[0];
 927   return OK;
 928 }
 929
 930 bool MockTCPClientSocket::WasEverUsed() const {
 931   return was_used_to_convey_data_;
 932 }
 933
 934 bool MockTCPClientSocket::UsingTCPFastOpen() const {
 935   return false;
 936 }
 937
 938 bool MockTCPClientSocket::WasNpnNegotiated() const {
 939   return false;
 940 }
 941
 942 bool MockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
 943   return false;
 944 }
 945
 946 void MockTCPClientSocket::OnReadComplete(const MockRead& data) {
 947   // There must be a read pending.
 948   DCHECK(pending_buf_);
 949   // You can't complete a read with another ERR_IO_PENDING status code.
 950   DCHECK_NE(ERR_IO_PENDING, data.result);
 951   // Since we've been waiting for data, need_read_data_ should be true.
 952   DCHECK(need_read_data_);
 953
 954   read_data_ = data;
 955   need_read_data_ = false;
 956
 957   // The caller is simulating that this IO completes right now.  Don't
 958   // let CompleteRead() schedule a callback.
 959   read_data_.mode = SYNCHRONOUS;
 960
 961   CompletionCallback callback = pending_callback_;
 962   int rv = CompleteRead();
 963   RunCallback(callback, rv);
 964 }
 965
 966 void MockTCPClientSocket::OnConnectComplete(const MockConnect& data) {
 967   CompletionCallback callback = pending_callback_;
 968   RunCallback(callback, data.result);
 969 }
 970
 971 int MockTCPClientSocket::CompleteRead() {
 972   DCHECK(pending_buf_);
 973   DCHECK(pending_buf_len_ > 0);
 974
 975   was_used_to_convey_data_ = true;
 976
 977   // Save the pending async IO data and reset our |pending_| state.
 978   scoped_refptr<IOBuffer> buf = pending_buf_;
 979   int buf_len = pending_buf_len_;
 980   CompletionCallback callback = pending_callback_;
 981   pending_buf_ = NULL;
 982   pending_buf_len_ = 0;
 983   pending_callback_.Reset();
 984
 985   int result = read_data_.result;
 986   DCHECK(result != ERR_IO_PENDING);
 987
 988   if (read_data_.data) {
 989     if (read_data_.data_len - read_offset_ > 0) {
 990       result = std::min(buf_len, read_data_.data_len - read_offset_);
 991       memcpy(buf->data(), read_data_.data + read_offset_, result);
 992       read_offset_ += result;
 993       if (read_offset_ == read_data_.data_len) {
 994         need_read_data_ = true;
 995         read_offset_ = 0;
 996       }
 997     } else {
 998       result = 0;  // EOF
 999     }
1000   }
1001
1002   if (read_data_.mode == ASYNC) {
1003     DCHECK(!callback.is_null());
1004     RunCallbackAsync(callback, result);
1005     return ERR_IO_PENDING;
1006   }
1007   return result;
1008 }
1009
1010 DeterministicSocketHelper::DeterministicSocketHelper(
1011     net::NetLog* net_log,
1012     DeterministicSocketData* data)
1013     : write_pending_(false),
1014       write_result_(0),
1015       read_data_(),
1016       read_buf_(NULL),
1017       read_buf_len_(0),
1018       read_pending_(false),
1019       data_(data),
1020       was_used_to_convey_data_(false),
1021       peer_closed_connection_(false),
1022       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)) {
1023 }
1024
1025 DeterministicSocketHelper::~DeterministicSocketHelper() {}
1026
1027 void DeterministicSocketHelper::CompleteWrite() {
1028   was_used_to_convey_data_ = true;
1029   write_pending_ = false;
1030   write_callback_.Run(write_result_);
1031 }
1032
1033 int DeterministicSocketHelper::CompleteRead() {
1034   DCHECK_GT(read_buf_len_, 0);
1035   DCHECK_LE(read_data_.data_len, read_buf_len_);
1036   DCHECK(read_buf_);
1037
1038   was_used_to_convey_data_ = true;
1039
1040   if (read_data_.result == ERR_IO_PENDING)
1041     read_data_ = data_->GetNextRead();
1042   DCHECK_NE(ERR_IO_PENDING, read_data_.result);
1043   // If read_data_.mode is ASYNC, we do not need to wait, since this is already
1044   // the callback. Therefore we don't even bother to check it.
1045   int result = read_data_.result;
1046
1047   if (read_data_.data_len > 0) {
1048     DCHECK(read_data_.data);
1049     result = std::min(read_buf_len_, read_data_.data_len);
1050     memcpy(read_buf_->data(), read_data_.data, result);
1051   }
1052
1053   if (read_pending_) {
1054     read_pending_ = false;
1055     read_callback_.Run(result);
1056   }
1057
1058   return result;
1059 }
1060
1061 int DeterministicSocketHelper::Write(
1062     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1063   DCHECK(buf);
1064   DCHECK_GT(buf_len, 0);
1065
1066   std::string data(buf->data(), buf_len);
1067   MockWriteResult write_result = data_->OnWrite(data);
1068
1069   if (write_result.mode == ASYNC) {
1070     write_callback_ = callback;
1071     write_result_ = write_result.result;
1072     DCHECK(!write_callback_.is_null());
1073     write_pending_ = true;
1074     return ERR_IO_PENDING;
1075   }
1076
1077   was_used_to_convey_data_ = true;
1078   write_pending_ = false;
1079   return write_result.result;
1080 }
1081
1082 int DeterministicSocketHelper::Read(
1083     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1084
1085   read_data_ = data_->GetNextRead();
1086   // The buffer should always be big enough to contain all the MockRead data. To
1087   // use small buffers, split the data into multiple MockReads.
1088   DCHECK_LE(read_data_.data_len, buf_len);
1089
1090   if (read_data_.result == ERR_CONNECTION_CLOSED) {
1091     // This MockRead is just a marker to instruct us to set
1092     // peer_closed_connection_.
1093     peer_closed_connection_ = true;
1094   }
1095   if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
1096     // This MockRead is just a marker to instruct us to set
1097     // peer_closed_connection_.  Skip it and get the next one.
1098     read_data_ = data_->GetNextRead();
1099     peer_closed_connection_ = true;
1100   }
1101
1102   read_buf_ = buf;
1103   read_buf_len_ = buf_len;
1104   read_callback_ = callback;
1105
1106   if (read_data_.mode == ASYNC || (read_data_.result == ERR_IO_PENDING)) {
1107     read_pending_ = true;
1108     DCHECK(!read_callback_.is_null());
1109     return ERR_IO_PENDING;
1110   }
1111
1112   was_used_to_convey_data_ = true;
1113   return CompleteRead();
1114 }
1115
1116 DeterministicMockUDPClientSocket::DeterministicMockUDPClientSocket(
1117     net::NetLog* net_log,
1118     DeterministicSocketData* data)
1119     : connected_(false),
1120       helper_(net_log, data),
1121       source_port_(123) {
1122 }
1123
1124 DeterministicMockUDPClientSocket::~DeterministicMockUDPClientSocket() {}
1125
1126 bool DeterministicMockUDPClientSocket::WritePending() const {
1127   return helper_.write_pending();
1128 }
1129
1130 bool DeterministicMockUDPClientSocket::ReadPending() const {
1131   return helper_.read_pending();
1132 }
1133
1134 void DeterministicMockUDPClientSocket::CompleteWrite() {
1135   helper_.CompleteWrite();
1136 }
1137
1138 int DeterministicMockUDPClientSocket::CompleteRead() {
1139   return helper_.CompleteRead();
1140 }
1141
1142 int DeterministicMockUDPClientSocket::Connect(const IPEndPoint& address) {
1143   if (connected_)
1144     return OK;
1145   connected_ = true;
1146   peer_address_ = address;
1147   return helper_.data()->connect_data().result;
1148 };
1149
1150 int DeterministicMockUDPClientSocket::Write(
1151     IOBuffer* buf,
1152     int buf_len,
1153     const CompletionCallback& callback) {
1154   if (!connected_)
1155     return ERR_UNEXPECTED;
1156
1157   return helper_.Write(buf, buf_len, callback);
1158 }
1159
1160 int DeterministicMockUDPClientSocket::Read(
1161     IOBuffer* buf,
1162     int buf_len,
1163     const CompletionCallback& callback) {
1164   if (!connected_)
1165     return ERR_UNEXPECTED;
1166
1167   return helper_.Read(buf, buf_len, callback);
1168 }
1169
1170 int DeterministicMockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1171   return OK;
1172 }
1173
1174 int DeterministicMockUDPClientSocket::SetSendBufferSize(int32 size) {
1175   return OK;
1176 }
1177
1178 void DeterministicMockUDPClientSocket::Close() {
1179   connected_ = false;
1180 }
1181
1182 int DeterministicMockUDPClientSocket::GetPeerAddress(
1183     IPEndPoint* address) const {
1184   *address = peer_address_;
1185   return OK;
1186 }
1187
1188 int DeterministicMockUDPClientSocket::GetLocalAddress(
1189     IPEndPoint* address) const {
1190   IPAddressNumber ip;
1191   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1192   CHECK(rv);
1193   *address = IPEndPoint(ip, source_port_);
1194   return OK;
1195 }
1196
1197 const BoundNetLog& DeterministicMockUDPClientSocket::NetLog() const {
1198   return helper_.net_log();
1199 }
1200
1201 void DeterministicMockUDPClientSocket::OnReadComplete(const MockRead& data) {}
1202
1203 void DeterministicMockUDPClientSocket::OnConnectComplete(
1204     const MockConnect& data) {
1205   NOTIMPLEMENTED();
1206 }
1207
1208 DeterministicMockTCPClientSocket::DeterministicMockTCPClientSocket(
1209     net::NetLog* net_log,
1210     DeterministicSocketData* data)
1211     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1212       helper_(net_log, data) {
1213   peer_addr_ = data->connect_data().peer_addr;
1214 }
1215
1216 DeterministicMockTCPClientSocket::~DeterministicMockTCPClientSocket() {}
1217
1218 bool DeterministicMockTCPClientSocket::WritePending() const {
1219   return helper_.write_pending();
1220 }
1221
1222 bool DeterministicMockTCPClientSocket::ReadPending() const {
1223   return helper_.read_pending();
1224 }
1225
1226 void DeterministicMockTCPClientSocket::CompleteWrite() {
1227   helper_.CompleteWrite();
1228 }
1229
1230 int DeterministicMockTCPClientSocket::CompleteRead() {
1231   return helper_.CompleteRead();
1232 }
1233
1234 int DeterministicMockTCPClientSocket::Write(
1235     IOBuffer* buf,
1236     int buf_len,
1237     const CompletionCallback& callback) {
1238   if (!connected_)
1239     return ERR_UNEXPECTED;
1240
1241   return helper_.Write(buf, buf_len, callback);
1242 }
1243
1244 int DeterministicMockTCPClientSocket::Read(
1245     IOBuffer* buf,
1246     int buf_len,
1247     const CompletionCallback& callback) {
1248   if (!connected_)
1249     return ERR_UNEXPECTED;
1250
1251   return helper_.Read(buf, buf_len, callback);
1252 }
1253
1254 // TODO(erikchen): Support connect sequencing.
1255 int DeterministicMockTCPClientSocket::Connect(
1256     const CompletionCallback& callback) {
1257   if (connected_)
1258     return OK;
1259   connected_ = true;
1260   if (helper_.data()->connect_data().mode == ASYNC) {
1261     RunCallbackAsync(callback, helper_.data()->connect_data().result);
1262     return ERR_IO_PENDING;
1263   }
1264   return helper_.data()->connect_data().result;
1265 }
1266
1267 void DeterministicMockTCPClientSocket::Disconnect() {
1268   MockClientSocket::Disconnect();
1269 }
1270
1271 bool DeterministicMockTCPClientSocket::IsConnected() const {
1272   return connected_ && !helper_.peer_closed_connection();
1273 }
1274
1275 bool DeterministicMockTCPClientSocket::IsConnectedAndIdle() const {
1276   return IsConnected();
1277 }
1278
1279 bool DeterministicMockTCPClientSocket::WasEverUsed() const {
1280   return helper_.was_used_to_convey_data();
1281 }
1282
1283 bool DeterministicMockTCPClientSocket::UsingTCPFastOpen() const {
1284   return false;
1285 }
1286
1287 bool DeterministicMockTCPClientSocket::WasNpnNegotiated() const {
1288   return false;
1289 }
1290
1291 bool DeterministicMockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1292   return false;
1293 }
1294
1295 void DeterministicMockTCPClientSocket::OnReadComplete(const MockRead& data) {}
1296
1297 void DeterministicMockTCPClientSocket::OnConnectComplete(
1298     const MockConnect& data) {}
1299
1300 // static
1301 void MockSSLClientSocket::ConnectCallback(
1302     MockSSLClientSocket* ssl_client_socket,
1303     const CompletionCallback& callback,
1304     int rv) {
1305   if (rv == OK)
1306     ssl_client_socket->connected_ = true;
1307   callback.Run(rv);
1308 }
1309
1310 MockSSLClientSocket::MockSSLClientSocket(
1311     scoped_ptr<ClientSocketHandle> transport_socket,
1312     const HostPortPair& host_port_pair,
1313     const SSLConfig& ssl_config,
1314     SSLSocketDataProvider* data)
1315     : MockClientSocket(
1316          // Have to use the right BoundNetLog for LoadTimingInfo regression
1317          // tests.
1318          transport_socket->socket()->NetLog()),
1319       transport_(transport_socket.Pass()),
1320       data_(data),
1321       is_npn_state_set_(false),
1322       new_npn_value_(false),
1323       is_protocol_negotiated_set_(false),
1324       protocol_negotiated_(kProtoUnknown) {
1325   DCHECK(data_);
1326   peer_addr_ = data->connect.peer_addr;
1327 }
1328
1329 MockSSLClientSocket::~MockSSLClientSocket() {
1330   Disconnect();
1331 }
1332
1333 int MockSSLClientSocket::Read(IOBuffer* buf, int buf_len,
1334                               const CompletionCallback& callback) {
1335   return transport_->socket()->Read(buf, buf_len, callback);
1336 }
1337
1338 int MockSSLClientSocket::Write(IOBuffer* buf, int buf_len,
1339                                const CompletionCallback& callback) {
1340   return transport_->socket()->Write(buf, buf_len, callback);
1341 }
1342
1343 int MockSSLClientSocket::Connect(const CompletionCallback& callback) {
1344   int rv = transport_->socket()->Connect(
1345       base::Bind(&ConnectCallback, base::Unretained(this), callback));
1346   if (rv == OK) {
1347     if (data_->connect.result == OK)
1348       connected_ = true;
1349     if (data_->connect.mode == ASYNC) {
1350       RunCallbackAsync(callback, data_->connect.result);
1351       return ERR_IO_PENDING;
1352     }
1353     return data_->connect.result;
1354   }
1355   return rv;
1356 }
1357
1358 void MockSSLClientSocket::Disconnect() {
1359   MockClientSocket::Disconnect();
1360   if (transport_->socket() != NULL)
1361     transport_->socket()->Disconnect();
1362 }
1363
1364 bool MockSSLClientSocket::IsConnected() const {
1365   return transport_->socket()->IsConnected();
1366 }
1367
1368 bool MockSSLClientSocket::WasEverUsed() const {
1369   return transport_->socket()->WasEverUsed();
1370 }
1371
1372 bool MockSSLClientSocket::UsingTCPFastOpen() const {
1373   return transport_->socket()->UsingTCPFastOpen();
1374 }
1375
1376 int MockSSLClientSocket::GetPeerAddress(IPEndPoint* address) const {
1377   return transport_->socket()->GetPeerAddress(address);
1378 }
1379
1380 bool MockSSLClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1381   ssl_info->Reset();
1382   ssl_info->cert = data_->cert;
1383   ssl_info->client_cert_sent = data_->client_cert_sent;
1384   ssl_info->channel_id_sent = data_->channel_id_sent;
1385   ssl_info->connection_status = data_->connection_status;
1386   return true;
1387 }
1388
1389 void MockSSLClientSocket::GetSSLCertRequestInfo(
1390     SSLCertRequestInfo* cert_request_info) {
1391   DCHECK(cert_request_info);
1392   if (data_->cert_request_info) {
1393     cert_request_info->host_and_port =
1394         data_->cert_request_info->host_and_port;
1395     cert_request_info->client_certs = data_->cert_request_info->client_certs;
1396   } else {
1397     cert_request_info->Reset();
1398   }
1399 }
1400
1401 SSLClientSocket::NextProtoStatus MockSSLClientSocket::GetNextProto(
1402     std::string* proto) {
1403   *proto = data_->next_proto;
1404   return data_->next_proto_status;
1405 }
1406
1407 bool MockSSLClientSocket::set_was_npn_negotiated(bool negotiated) {
1408   is_npn_state_set_ = true;
1409   return new_npn_value_ = negotiated;
1410 }
1411
1412 bool MockSSLClientSocket::WasNpnNegotiated() const {
1413   if (is_npn_state_set_)
1414     return new_npn_value_;
1415   return data_->was_npn_negotiated;
1416 }
1417
1418 NextProto MockSSLClientSocket::GetNegotiatedProtocol() const {
1419   if (is_protocol_negotiated_set_)
1420     return protocol_negotiated_;
1421   return data_->protocol_negotiated;
1422 }
1423
1424 void MockSSLClientSocket::set_protocol_negotiated(
1425     NextProto protocol_negotiated) {
1426   is_protocol_negotiated_set_ = true;
1427   protocol_negotiated_ = protocol_negotiated;
1428 }
1429
1430 bool MockSSLClientSocket::WasChannelIDSent() const {
1431   return data_->channel_id_sent;
1432 }
1433
1434 void MockSSLClientSocket::set_channel_id_sent(bool channel_id_sent) {
1435   data_->channel_id_sent = channel_id_sent;
1436 }
1437
1438 ChannelIDService* MockSSLClientSocket::GetChannelIDService() const {
1439   return data_->channel_id_service;
1440 }
1441
1442 void MockSSLClientSocket::OnReadComplete(const MockRead& data) {
1443   NOTIMPLEMENTED();
1444 }
1445
1446 void MockSSLClientSocket::OnConnectComplete(const MockConnect& data) {
1447   NOTIMPLEMENTED();
1448 }
1449
1450 MockUDPClientSocket::MockUDPClientSocket(SocketDataProvider* data,
1451                                          net::NetLog* net_log)
1452     : connected_(false),
1453       data_(data),
1454       read_offset_(0),
1455       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
1456       need_read_data_(true),
1457       source_port_(123),
1458       pending_buf_(NULL),
1459       pending_buf_len_(0),
1460       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1461       weak_factory_(this) {
1462   DCHECK(data_);
1463   data_->Reset();
1464   peer_addr_ = data->connect_data().peer_addr;
1465 }
1466
1467 MockUDPClientSocket::~MockUDPClientSocket() {}
1468
1469 int MockUDPClientSocket::Read(IOBuffer* buf,
1470                               int buf_len,
1471                               const CompletionCallback& callback) {
1472   if (!connected_)
1473     return ERR_UNEXPECTED;
1474
1475   // If the buffer is already in use, a read is already in progress!
1476   DCHECK(pending_buf_ == NULL);
1477
1478   // Store our async IO data.
1479   pending_buf_ = buf;
1480   pending_buf_len_ = buf_len;
1481   pending_callback_ = callback;
1482
1483   if (need_read_data_) {
1484     read_data_ = data_->GetNextRead();
1485     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
1486     // to complete the async IO manually later (via OnReadComplete).
1487     if (read_data_.result == ERR_IO_PENDING) {
1488       // We need to be using async IO in this case.
1489       DCHECK(!callback.is_null());
1490       return ERR_IO_PENDING;
1491     }
1492     need_read_data_ = false;
1493   }
1494
1495   return CompleteRead();
1496 }
1497
1498 int MockUDPClientSocket::Write(IOBuffer* buf, int buf_len,
1499                                const CompletionCallback& callback) {
1500   DCHECK(buf);
1501   DCHECK_GT(buf_len, 0);
1502
1503   if (!connected_)
1504     return ERR_UNEXPECTED;
1505
1506   std::string data(buf->data(), buf_len);
1507   MockWriteResult write_result = data_->OnWrite(data);
1508
1509   if (write_result.mode == ASYNC) {
1510     RunCallbackAsync(callback, write_result.result);
1511     return ERR_IO_PENDING;
1512   }
1513   return write_result.result;
1514 }
1515
1516 int MockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1517   return OK;
1518 }
1519
1520 int MockUDPClientSocket::SetSendBufferSize(int32 size) {
1521   return OK;
1522 }
1523
1524 void MockUDPClientSocket::Close() {
1525   connected_ = false;
1526 }
1527
1528 int MockUDPClientSocket::GetPeerAddress(IPEndPoint* address) const {
1529   *address = peer_addr_;
1530   return OK;
1531 }
1532
1533 int MockUDPClientSocket::GetLocalAddress(IPEndPoint* address) const {
1534   IPAddressNumber ip;
1535   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1536   CHECK(rv);
1537   *address = IPEndPoint(ip, source_port_);
1538   return OK;
1539 }
1540
1541 const BoundNetLog& MockUDPClientSocket::NetLog() const {
1542   return net_log_;
1543 }
1544
1545 int MockUDPClientSocket::Connect(const IPEndPoint& address) {
1546   connected_ = true;
1547   peer_addr_ = address;
1548   return data_->connect_data().result;
1549 }
1550
1551 void MockUDPClientSocket::OnReadComplete(const MockRead& data) {
1552   // There must be a read pending.
1553   DCHECK(pending_buf_);
1554   // You can't complete a read with another ERR_IO_PENDING status code.
1555   DCHECK_NE(ERR_IO_PENDING, data.result);
1556   // Since we've been waiting for data, need_read_data_ should be true.
1557   DCHECK(need_read_data_);
1558
1559   read_data_ = data;
1560   need_read_data_ = false;
1561
1562   // The caller is simulating that this IO completes right now.  Don't
1563   // let CompleteRead() schedule a callback.
1564   read_data_.mode = SYNCHRONOUS;
1565
1566   net::CompletionCallback callback = pending_callback_;
1567   int rv = CompleteRead();
1568   RunCallback(callback, rv);
1569 }
1570
1571 void MockUDPClientSocket::OnConnectComplete(const MockConnect& data) {
1572   NOTIMPLEMENTED();
1573 }
1574
1575 int MockUDPClientSocket::CompleteRead() {
1576   DCHECK(pending_buf_);
1577   DCHECK(pending_buf_len_ > 0);
1578
1579   // Save the pending async IO data and reset our |pending_| state.
1580   scoped_refptr<IOBuffer> buf = pending_buf_;
1581   int buf_len = pending_buf_len_;
1582   CompletionCallback callback = pending_callback_;
1583   pending_buf_ = NULL;
1584   pending_buf_len_ = 0;
1585   pending_callback_.Reset();
1586
1587   int result = read_data_.result;
1588   DCHECK(result != ERR_IO_PENDING);
1589
1590   if (read_data_.data) {
1591     if (read_data_.data_len - read_offset_ > 0) {
1592       result = std::min(buf_len, read_data_.data_len - read_offset_);
1593       memcpy(buf->data(), read_data_.data + read_offset_, result);
1594       read_offset_ += result;
1595       if (read_offset_ == read_data_.data_len) {
1596         need_read_data_ = true;
1597         read_offset_ = 0;
1598       }
1599     } else {
1600       result = 0;  // EOF
1601     }
1602   }
1603
1604   if (read_data_.mode == ASYNC) {
1605     DCHECK(!callback.is_null());
1606     RunCallbackAsync(callback, result);
1607     return ERR_IO_PENDING;
1608   }
1609   return result;
1610 }
1611
1612 void MockUDPClientSocket::RunCallbackAsync(const CompletionCallback& callback,
1613                                            int result) {
1614   base::MessageLoop::current()->PostTask(
1615       FROM_HERE,
1616       base::Bind(&MockUDPClientSocket::RunCallback,
1617                  weak_factory_.GetWeakPtr(),
1618                  callback,
1619                  result));
1620 }
1621
1622 void MockUDPClientSocket::RunCallback(const CompletionCallback& callback,
1623                                       int result) {
1624   if (!callback.is_null())
1625     callback.Run(result);
1626 }
1627
1628 TestSocketRequest::TestSocketRequest(
1629     std::vector<TestSocketRequest*>* request_order, size_t* completion_count)
1630     : request_order_(request_order),
1631       completion_count_(completion_count),
1632       callback_(base::Bind(&TestSocketRequest::OnComplete,
1633                            base::Unretained(this))) {
1634   DCHECK(request_order);
1635   DCHECK(completion_count);
1636 }
1637
1638 TestSocketRequest::~TestSocketRequest() {
1639 }
1640
1641 void TestSocketRequest::OnComplete(int result) {
1642   SetResult(result);
1643   (*completion_count_)++;
1644   request_order_->push_back(this);
1645 }
1646
1647 // static
1648 const int ClientSocketPoolTest::kIndexOutOfBounds = -1;
1649
1650 // static
1651 const int ClientSocketPoolTest::kRequestNotFound = -2;
1652
1653 ClientSocketPoolTest::ClientSocketPoolTest() : completion_count_(0) {}
1654 ClientSocketPoolTest::~ClientSocketPoolTest() {}
1655
1656 int ClientSocketPoolTest::GetOrderOfRequest(size_t index) const {
1657   index--;
1658   if (index >= requests_.size())
1659     return kIndexOutOfBounds;
1660
1661   for (size_t i = 0; i < request_order_.size(); i++)
1662     if (requests_[index] == request_order_[i])
1663       return i + 1;
1664
1665   return kRequestNotFound;
1666 }
1667
1668 bool ClientSocketPoolTest::ReleaseOneConnection(KeepAlive keep_alive) {
1669   ScopedVector<TestSocketRequest>::iterator i;
1670   for (i = requests_.begin(); i != requests_.end(); ++i) {
1671     if ((*i)->handle()->is_initialized()) {
1672       if (keep_alive == NO_KEEP_ALIVE)
1673         (*i)->handle()->socket()->Disconnect();
1674       (*i)->handle()->Reset();
1675       base::RunLoop().RunUntilIdle();
1676       return true;
1677     }
1678   }
1679   return false;
1680 }
1681
1682 void ClientSocketPoolTest::ReleaseAllConnections(KeepAlive keep_alive) {
1683   bool released_one;
1684   do {
1685     released_one = ReleaseOneConnection(keep_alive);
1686   } while (released_one);
1687 }
1688
1689 MockTransportClientSocketPool::MockConnectJob::MockConnectJob(
1690     scoped_ptr<StreamSocket> socket,
1691     ClientSocketHandle* handle,
1692     const CompletionCallback& callback)
1693     : socket_(socket.Pass()),
1694       handle_(handle),
1695       user_callback_(callback) {
1696 }
1697
1698 MockTransportClientSocketPool::MockConnectJob::~MockConnectJob() {}
1699
1700 int MockTransportClientSocketPool::MockConnectJob::Connect() {
1701   int rv = socket_->Connect(base::Bind(&MockConnectJob::OnConnect,
1702                                        base::Unretained(this)));
1703   if (rv == OK) {
1704     user_callback_.Reset();
1705     OnConnect(OK);
1706   }
1707   return rv;
1708 }
1709
1710 bool MockTransportClientSocketPool::MockConnectJob::CancelHandle(
1711     const ClientSocketHandle* handle) {
1712   if (handle != handle_)
1713     return false;
1714   socket_.reset();
1715   handle_ = NULL;
1716   user_callback_.Reset();
1717   return true;
1718 }
1719
1720 void MockTransportClientSocketPool::MockConnectJob::OnConnect(int rv) {
1721   if (!socket_.get())
1722     return;
1723   if (rv == OK) {
1724     handle_->SetSocket(socket_.Pass());
1725
1726     // Needed for socket pool tests that layer other sockets on top of mock
1727     // sockets.
1728     LoadTimingInfo::ConnectTiming connect_timing;
1729     base::TimeTicks now = base::TimeTicks::Now();
1730     connect_timing.dns_start = now;
1731     connect_timing.dns_end = now;
1732     connect_timing.connect_start = now;
1733     connect_timing.connect_end = now;
1734     handle_->set_connect_timing(connect_timing);
1735   } else {
1736     socket_.reset();
1737   }
1738
1739   handle_ = NULL;
1740
1741   if (!user_callback_.is_null()) {
1742     CompletionCallback callback = user_callback_;
1743     user_callback_.Reset();
1744     callback.Run(rv);
1745   }
1746 }
1747
1748 MockTransportClientSocketPool::MockTransportClientSocketPool(
1749     int max_sockets,
1750     int max_sockets_per_group,
1751     ClientSocketPoolHistograms* histograms,
1752     ClientSocketFactory* socket_factory)
1753     : TransportClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1754                                 NULL, NULL, NULL),
1755       client_socket_factory_(socket_factory),
1756       last_request_priority_(DEFAULT_PRIORITY),
1757       release_count_(0),
1758       cancel_count_(0) {
1759 }
1760
1761 MockTransportClientSocketPool::~MockTransportClientSocketPool() {}
1762
1763 int MockTransportClientSocketPool::RequestSocket(
1764     const std::string& group_name, const void* socket_params,
1765     RequestPriority priority, ClientSocketHandle* handle,
1766     const CompletionCallback& callback, const BoundNetLog& net_log) {
1767   last_request_priority_ = priority;
1768   scoped_ptr<StreamSocket> socket =
1769       client_socket_factory_->CreateTransportClientSocket(
1770           AddressList(), net_log.net_log(), net::NetLog::Source());
1771   MockConnectJob* job = new MockConnectJob(socket.Pass(), handle, callback);
1772   job_list_.push_back(job);
1773   handle->set_pool_id(1);
1774   return job->Connect();
1775 }
1776
1777 void MockTransportClientSocketPool::CancelRequest(const std::string& group_name,
1778                                                   ClientSocketHandle* handle) {
1779   std::vector<MockConnectJob*>::iterator i;
1780   for (i = job_list_.begin(); i != job_list_.end(); ++i) {
1781     if ((*i)->CancelHandle(handle)) {
1782       cancel_count_++;
1783       break;
1784     }
1785   }
1786 }
1787
1788 void MockTransportClientSocketPool::ReleaseSocket(
1789     const std::string& group_name,
1790     scoped_ptr<StreamSocket> socket,
1791     int id) {
1792   EXPECT_EQ(1, id);
1793   release_count_++;
1794 }
1795
1796 DeterministicMockClientSocketFactory::DeterministicMockClientSocketFactory() {}
1797
1798 DeterministicMockClientSocketFactory::~DeterministicMockClientSocketFactory() {}
1799
1800 void DeterministicMockClientSocketFactory::AddSocketDataProvider(
1801     DeterministicSocketData* data) {
1802   mock_data_.Add(data);
1803 }
1804
1805 void DeterministicMockClientSocketFactory::AddSSLSocketDataProvider(
1806     SSLSocketDataProvider* data) {
1807   mock_ssl_data_.Add(data);
1808 }
1809
1810 void DeterministicMockClientSocketFactory::ResetNextMockIndexes() {
1811   mock_data_.ResetNextIndex();
1812   mock_ssl_data_.ResetNextIndex();
1813 }
1814
1815 MockSSLClientSocket* DeterministicMockClientSocketFactory::
1816     GetMockSSLClientSocket(size_t index) const {
1817   DCHECK_LT(index, ssl_client_sockets_.size());
1818   return ssl_client_sockets_[index];
1819 }
1820
1821 scoped_ptr<DatagramClientSocket>
1822 DeterministicMockClientSocketFactory::CreateDatagramClientSocket(
1823     DatagramSocket::BindType bind_type,
1824     const RandIntCallback& rand_int_cb,
1825     net::NetLog* net_log,
1826     const NetLog::Source& source) {
1827   DeterministicSocketData* data_provider = mock_data().GetNext();
1828   scoped_ptr<DeterministicMockUDPClientSocket> socket(
1829       new DeterministicMockUDPClientSocket(net_log, data_provider));
1830   data_provider->set_delegate(socket->AsWeakPtr());
1831   udp_client_sockets().push_back(socket.get());
1832   if (bind_type == DatagramSocket::RANDOM_BIND)
1833     socket->set_source_port(rand_int_cb.Run(1025, 65535));
1834   return socket.PassAs<DatagramClientSocket>();
1835 }
1836
1837 scoped_ptr<StreamSocket>
1838 DeterministicMockClientSocketFactory::CreateTransportClientSocket(
1839     const AddressList& addresses,
1840     net::NetLog* net_log,
1841     const net::NetLog::Source& source) {
1842   DeterministicSocketData* data_provider = mock_data().GetNext();
1843   scoped_ptr<DeterministicMockTCPClientSocket> socket(
1844       new DeterministicMockTCPClientSocket(net_log, data_provider));
1845   data_provider->set_delegate(socket->AsWeakPtr());
1846   tcp_client_sockets().push_back(socket.get());
1847   return socket.PassAs<StreamSocket>();
1848 }
1849
1850 scoped_ptr<SSLClientSocket>
1851 DeterministicMockClientSocketFactory::CreateSSLClientSocket(
1852     scoped_ptr<ClientSocketHandle> transport_socket,
1853     const HostPortPair& host_and_port,
1854     const SSLConfig& ssl_config,
1855     const SSLClientSocketContext& context) {
1856   scoped_ptr<MockSSLClientSocket> socket(
1857       new MockSSLClientSocket(transport_socket.Pass(),
1858                               host_and_port, ssl_config,
1859                               mock_ssl_data_.GetNext()));
1860   ssl_client_sockets_.push_back(socket.get());
1861   return socket.PassAs<SSLClientSocket>();
1862 }
1863
1864 void DeterministicMockClientSocketFactory::ClearSSLSessionCache() {
1865 }
1866
1867 MockSOCKSClientSocketPool::MockSOCKSClientSocketPool(
1868     int max_sockets,
1869     int max_sockets_per_group,
1870     ClientSocketPoolHistograms* histograms,
1871     TransportClientSocketPool* transport_pool)
1872     : SOCKSClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1873                             NULL, transport_pool, NULL),
1874       transport_pool_(transport_pool) {
1875 }
1876
1877 MockSOCKSClientSocketPool::~MockSOCKSClientSocketPool() {}
1878
1879 int MockSOCKSClientSocketPool::RequestSocket(
1880     const std::string& group_name, const void* socket_params,
1881     RequestPriority priority, ClientSocketHandle* handle,
1882     const CompletionCallback& callback, const BoundNetLog& net_log) {
1883   return transport_pool_->RequestSocket(
1884       group_name, socket_params, priority, handle, callback, net_log);
1885 }
1886
1887 void MockSOCKSClientSocketPool::CancelRequest(
1888     const std::string& group_name,
1889     ClientSocketHandle* handle) {
1890   return transport_pool_->CancelRequest(group_name, handle);
1891 }
1892
1893 void MockSOCKSClientSocketPool::ReleaseSocket(const std::string& group_name,
1894                                               scoped_ptr<StreamSocket> socket,
1895                                               int id) {
1896   return transport_pool_->ReleaseSocket(group_name, socket.Pass(), id);
1897 }
1898
1899 const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
1900 const int kSOCKS5GreetRequestLength = arraysize(kSOCKS5GreetRequest);
1901
1902 const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
1903 const int kSOCKS5GreetResponseLength = arraysize(kSOCKS5GreetResponse);
1904
1905 const char kSOCKS5OkRequest[] =
1906     { 0x05, 0x01, 0x00, 0x03, 0x04, 'h', 'o', 's', 't', 0x00, 0x50 };
1907 const int kSOCKS5OkRequestLength = arraysize(kSOCKS5OkRequest);
1908
1909 const char kSOCKS5OkResponse[] =
1910     { 0x05, 0x00, 0x00, 0x01, 127, 0, 0, 1, 0x00, 0x50 };
1911 const int kSOCKS5OkResponseLength = arraysize(kSOCKS5OkResponse);
1912
1913 }  // namespace net