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/callback_helpers.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/message_loop/message_loop.h"
  16 #include "base/run_loop.h"
  17 #include "base/time/time.h"
  18 #include "net/base/address_family.h"
  19 #include "net/base/address_list.h"
  20 #include "net/base/auth.h"
  21 #include "net/base/load_timing_info.h"
  22 #include "net/http/http_network_session.h"
  23 #include "net/http/http_request_headers.h"
  24 #include "net/http/http_response_headers.h"
  25 #include "net/socket/client_socket_pool_histograms.h"
  26 #include "net/socket/socket.h"
  27 #include "net/ssl/ssl_cert_request_info.h"
  28 #include "net/ssl/ssl_connection_status_flags.h"
  29 #include "net/ssl/ssl_info.h"
  30 #include "testing/gtest/include/gtest/gtest.h"
  31
  32 // Socket events are easier to debug if you log individual reads and writes.
  33 // Enable these if locally debugging, but they are too noisy for the waterfall.
  34 #if 0
  35 #define NET_TRACE(level, s) DLOG(level) << s << __FUNCTION__ << "() "
  36 #else
  37 #define NET_TRACE(level, s) EAT_STREAM_PARAMETERS
  38 #endif
  39
  40 namespace net {
  41
  42 namespace {
  43
  44 inline char AsciifyHigh(char x) {
  45   char nybble = static_cast<char>((x >> 4) & 0x0F);
  46   return nybble + ((nybble < 0x0A) ? '0' : 'A' - 10);
  47 }
  48
  49 inline char AsciifyLow(char x) {
  50   char nybble = static_cast<char>((x >> 0) & 0x0F);
  51   return nybble + ((nybble < 0x0A) ? '0' : 'A' - 10);
  52 }
  53
  54 inline char Asciify(char x) {
  55   if ((x < 0) || !isprint(x))
  56     return '.';
  57   return x;
  58 }
  59
  60 void DumpData(const char* data, int data_len) {
  61   if (logging::LOG_INFO < logging::GetMinLogLevel())
  62     return;
  63   DVLOG(1) << "Length:  " << data_len;
  64   const char* pfx = "Data:    ";
  65   if (!data || (data_len <= 0)) {
  66     DVLOG(1) << pfx << "<None>";
  67   } else {
  68     int i;
  69     for (i = 0; i <= (data_len - 4); i += 4) {
  70       DVLOG(1) << pfx
  71                << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
  72                << AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
  73                << AsciifyHigh(data[i + 2]) << AsciifyLow(data[i + 2])
  74                << AsciifyHigh(data[i + 3]) << AsciifyLow(data[i + 3])
  75                << "  '"
  76                << Asciify(data[i + 0])
  77                << Asciify(data[i + 1])
  78                << Asciify(data[i + 2])
  79                << Asciify(data[i + 3])
  80                << "'";
  81       pfx = "         ";
  82     }
  83     // Take care of any 'trailing' bytes, if data_len was not a multiple of 4.
  84     switch (data_len - i) {
  85       case 3:
  86         DVLOG(1) << pfx
  87                  << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
  88                  << AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
  89                  << AsciifyHigh(data[i + 2]) << AsciifyLow(data[i + 2])
  90                  << "    '"
  91                  << Asciify(data[i + 0])
  92                  << Asciify(data[i + 1])
  93                  << Asciify(data[i + 2])
  94                  << " '";
  95         break;
  96       case 2:
  97         DVLOG(1) << pfx
  98                  << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
  99                  << AsciifyHigh(data[i + 1]) << AsciifyLow(data[i + 1])
 100                  << "      '"
 101                  << Asciify(data[i + 0])
 102                  << Asciify(data[i + 1])
 103                  << "  '";
 104         break;
 105       case 1:
 106         DVLOG(1) << pfx
 107                  << AsciifyHigh(data[i + 0]) << AsciifyLow(data[i + 0])
 108                  << "        '"
 109                  << Asciify(data[i + 0])
 110                  << "   '";
 111         break;
 112     }
 113   }
 114 }
 115
 116 template <MockReadWriteType type>
 117 void DumpMockReadWrite(const MockReadWrite<type>& r) {
 118   if (logging::LOG_INFO < logging::GetMinLogLevel())
 119     return;
 120   DVLOG(1) << "Async:   " << (r.mode == ASYNC)
 121            << "\nResult:  " << r.result;
 122   DumpData(r.data, r.data_len);
 123   const char* stop = (r.sequence_number & MockRead::STOPLOOP) ? " (STOP)" : "";
 124   DVLOG(1) << "Stage:   " << (r.sequence_number & ~MockRead::STOPLOOP) << stop
 125            << "\nTime:    " << r.time_stamp.ToInternalValue();
 126 }
 127
 128 }  // namespace
 129
 130 MockConnect::MockConnect() : mode(ASYNC), result(OK) {
 131   IPAddressNumber ip;
 132   CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
 133   peer_addr = IPEndPoint(ip, 0);
 134 }
 135
 136 MockConnect::MockConnect(IoMode io_mode, int r) : mode(io_mode), result(r) {
 137   IPAddressNumber ip;
 138   CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
 139   peer_addr = IPEndPoint(ip, 0);
 140 }
 141
 142 MockConnect::MockConnect(IoMode io_mode, int r, IPEndPoint addr) :
 143     mode(io_mode),
 144     result(r),
 145     peer_addr(addr) {
 146 }
 147
 148 MockConnect::~MockConnect() {}
 149
 150 StaticSocketDataProvider::StaticSocketDataProvider()
 151     : reads_(NULL),
 152       read_index_(0),
 153       read_count_(0),
 154       writes_(NULL),
 155       write_index_(0),
 156       write_count_(0) {
 157 }
 158
 159 StaticSocketDataProvider::StaticSocketDataProvider(MockRead* reads,
 160                                                    size_t reads_count,
 161                                                    MockWrite* writes,
 162                                                    size_t writes_count)
 163     : reads_(reads),
 164       read_index_(0),
 165       read_count_(reads_count),
 166       writes_(writes),
 167       write_index_(0),
 168       write_count_(writes_count) {
 169 }
 170
 171 StaticSocketDataProvider::~StaticSocketDataProvider() {}
 172
 173 const MockRead& StaticSocketDataProvider::PeekRead() const {
 174   CHECK(!at_read_eof());
 175   return reads_[read_index_];
 176 }
 177
 178 const MockWrite& StaticSocketDataProvider::PeekWrite() const {
 179   CHECK(!at_write_eof());
 180   return writes_[write_index_];
 181 }
 182
 183 const MockRead& StaticSocketDataProvider::PeekRead(size_t index) const {
 184   CHECK_LT(index, read_count_);
 185   return reads_[index];
 186 }
 187
 188 const MockWrite& StaticSocketDataProvider::PeekWrite(size_t index) const {
 189   CHECK_LT(index, write_count_);
 190   return writes_[index];
 191 }
 192
 193 MockRead StaticSocketDataProvider::GetNextRead() {
 194   CHECK(!at_read_eof());
 195   reads_[read_index_].time_stamp = base::Time::Now();
 196   return reads_[read_index_++];
 197 }
 198
 199 MockWriteResult StaticSocketDataProvider::OnWrite(const std::string& data) {
 200   if (!writes_) {
 201     // Not using mock writes; succeed synchronously.
 202     return MockWriteResult(SYNCHRONOUS, data.length());
 203   }
 204   EXPECT_FALSE(at_write_eof());
 205   if (at_write_eof()) {
 206     // Show what the extra write actually consists of.
 207     EXPECT_EQ("<unexpected write>", data);
 208     return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 209   }
 210
 211   // Check that what we are writing matches the expectation.
 212   // Then give the mocked return value.
 213   MockWrite* w = &writes_[write_index_++];
 214   w->time_stamp = base::Time::Now();
 215   int result = w->result;
 216   if (w->data) {
 217     // Note - we can simulate a partial write here.  If the expected data
 218     // is a match, but shorter than the write actually written, that is legal.
 219     // Example:
 220     //   Application writes "foobarbaz" (9 bytes)
 221     //   Expected write was "foo" (3 bytes)
 222     //   This is a success, and we return 3 to the application.
 223     std::string expected_data(w->data, w->data_len);
 224     EXPECT_GE(data.length(), expected_data.length());
 225     std::string actual_data(data.substr(0, w->data_len));
 226     EXPECT_EQ(expected_data, actual_data);
 227     if (expected_data != actual_data)
 228       return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 229     if (result == OK)
 230       result = w->data_len;
 231   }
 232   return MockWriteResult(w->mode, result);
 233 }
 234
 235 void StaticSocketDataProvider::Reset() {
 236   read_index_ = 0;
 237   write_index_ = 0;
 238 }
 239
 240 DynamicSocketDataProvider::DynamicSocketDataProvider()
 241     : short_read_limit_(0),
 242       allow_unconsumed_reads_(false) {
 243 }
 244
 245 DynamicSocketDataProvider::~DynamicSocketDataProvider() {}
 246
 247 MockRead DynamicSocketDataProvider::GetNextRead() {
 248   if (reads_.empty())
 249     return MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
 250   MockRead result = reads_.front();
 251   if (short_read_limit_ == 0 || result.data_len <= short_read_limit_) {
 252     reads_.pop_front();
 253   } else {
 254     result.data_len = short_read_limit_;
 255     reads_.front().data += result.data_len;
 256     reads_.front().data_len -= result.data_len;
 257   }
 258   return result;
 259 }
 260
 261 void DynamicSocketDataProvider::Reset() {
 262   reads_.clear();
 263 }
 264
 265 void DynamicSocketDataProvider::SimulateRead(const char* data,
 266                                              const size_t length) {
 267   if (!allow_unconsumed_reads_) {
 268     EXPECT_TRUE(reads_.empty()) << "Unconsumed read: " << reads_.front().data;
 269   }
 270   reads_.push_back(MockRead(ASYNC, data, length));
 271 }
 272
 273 SSLSocketDataProvider::SSLSocketDataProvider(IoMode mode, int result)
 274     : connect(mode, result),
 275       next_proto_status(SSLClientSocket::kNextProtoUnsupported),
 276       was_npn_negotiated(false),
 277       protocol_negotiated(kProtoUnknown),
 278       client_cert_sent(false),
 279       cert_request_info(NULL),
 280       channel_id_sent(false),
 281       connection_status(0),
 282       should_pause_on_connect(false),
 283       is_in_session_cache(false) {
 284   SSLConnectionStatusSetVersion(SSL_CONNECTION_VERSION_TLS1_2,
 285                                 &connection_status);
 286   // Set to TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
 287   SSLConnectionStatusSetCipherSuite(0xcc14, &connection_status);
 288 }
 289
 290 SSLSocketDataProvider::~SSLSocketDataProvider() {
 291 }
 292
 293 void SSLSocketDataProvider::SetNextProto(NextProto proto) {
 294   was_npn_negotiated = true;
 295   next_proto_status = SSLClientSocket::kNextProtoNegotiated;
 296   protocol_negotiated = proto;
 297   next_proto = SSLClientSocket::NextProtoToString(proto);
 298 }
 299
 300 DelayedSocketData::DelayedSocketData(
 301     int write_delay, MockRead* reads, size_t reads_count,
 302     MockWrite* writes, size_t writes_count)
 303     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 304       write_delay_(write_delay),
 305       read_in_progress_(false),
 306       weak_factory_(this) {
 307   DCHECK_GE(write_delay_, 0);
 308 }
 309
 310 DelayedSocketData::DelayedSocketData(
 311     const MockConnect& connect, int write_delay, MockRead* reads,
 312     size_t reads_count, MockWrite* writes, size_t writes_count)
 313     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 314       write_delay_(write_delay),
 315       read_in_progress_(false),
 316       weak_factory_(this) {
 317   DCHECK_GE(write_delay_, 0);
 318   set_connect_data(connect);
 319 }
 320
 321 DelayedSocketData::~DelayedSocketData() {
 322 }
 323
 324 void DelayedSocketData::ForceNextRead() {
 325   DCHECK(read_in_progress_);
 326   write_delay_ = 0;
 327   CompleteRead();
 328 }
 329
 330 MockRead DelayedSocketData::GetNextRead() {
 331   MockRead out = MockRead(ASYNC, ERR_IO_PENDING);
 332   if (write_delay_ <= 0)
 333     out = StaticSocketDataProvider::GetNextRead();
 334   read_in_progress_ = (out.result == ERR_IO_PENDING);
 335   return out;
 336 }
 337
 338 MockWriteResult DelayedSocketData::OnWrite(const std::string& data) {
 339   MockWriteResult rv = StaticSocketDataProvider::OnWrite(data);
 340   // Now that our write has completed, we can allow reads to continue.
 341   if (!--write_delay_ && read_in_progress_)
 342     base::MessageLoop::current()->PostDelayedTask(
 343         FROM_HERE,
 344         base::Bind(&DelayedSocketData::CompleteRead,
 345                    weak_factory_.GetWeakPtr()),
 346         base::TimeDelta::FromMilliseconds(100));
 347   return rv;
 348 }
 349
 350 void DelayedSocketData::Reset() {
 351   set_socket(NULL);
 352   read_in_progress_ = false;
 353   weak_factory_.InvalidateWeakPtrs();
 354   StaticSocketDataProvider::Reset();
 355 }
 356
 357 void DelayedSocketData::CompleteRead() {
 358   if (socket() && read_in_progress_)
 359     socket()->OnReadComplete(GetNextRead());
 360 }
 361
 362 OrderedSocketData::OrderedSocketData(
 363     MockRead* reads, size_t reads_count, MockWrite* writes, size_t writes_count)
 364     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 365       sequence_number_(0), loop_stop_stage_(0),
 366       blocked_(false), weak_factory_(this) {
 367 }
 368
 369 OrderedSocketData::OrderedSocketData(
 370     const MockConnect& connect,
 371     MockRead* reads, size_t reads_count,
 372     MockWrite* writes, size_t writes_count)
 373     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 374       sequence_number_(0), loop_stop_stage_(0),
 375       blocked_(false), weak_factory_(this) {
 376   set_connect_data(connect);
 377 }
 378
 379 void OrderedSocketData::EndLoop() {
 380   // If we've already stopped the loop, don't do it again until we've advanced
 381   // to the next sequence_number.
 382   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_ << ": EndLoop()";
 383   if (loop_stop_stage_ > 0) {
 384     const MockRead& next_read = StaticSocketDataProvider::PeekRead();
 385     if ((next_read.sequence_number & ~MockRead::STOPLOOP) >
 386         loop_stop_stage_) {
 387       NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 388                                 << ": Clearing stop index";
 389       loop_stop_stage_ = 0;
 390     } else {
 391       return;
 392     }
 393   }
 394   // Record the sequence_number at which we stopped the loop.
 395   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 396                             << ": Posting Quit at read " << read_index();
 397   loop_stop_stage_ = sequence_number_;
 398 }
 399
 400 MockRead OrderedSocketData::GetNextRead() {
 401   weak_factory_.InvalidateWeakPtrs();
 402   blocked_ = false;
 403   const MockRead& next_read = StaticSocketDataProvider::PeekRead();
 404   if (next_read.sequence_number & MockRead::STOPLOOP)
 405     EndLoop();
 406   if ((next_read.sequence_number & ~MockRead::STOPLOOP) <=
 407       sequence_number_++) {
 408     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_ - 1
 409                               << ": Read " << read_index();
 410     DumpMockReadWrite(next_read);
 411     blocked_ = (next_read.result == ERR_IO_PENDING);
 412     return StaticSocketDataProvider::GetNextRead();
 413   }
 414   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_ - 1
 415                             << ": I/O Pending";
 416   MockRead result = MockRead(ASYNC, ERR_IO_PENDING);
 417   DumpMockReadWrite(result);
 418   blocked_ = true;
 419   return result;
 420 }
 421
 422 MockWriteResult OrderedSocketData::OnWrite(const std::string& data) {
 423   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 424                             << ": Write " << write_index();
 425   DumpMockReadWrite(PeekWrite());
 426   ++sequence_number_;
 427   if (blocked_) {
 428     // TODO(willchan): This 100ms delay seems to work around some weirdness.  We
 429     // should probably fix the weirdness.  One example is in SpdyStream,
 430     // DoSendRequest() will return ERR_IO_PENDING, and there's a race.  If the
 431     // SYN_REPLY causes OnResponseReceived() to get called before
 432     // SpdyStream::ReadResponseHeaders() is called, we hit a NOTREACHED().
 433     base::MessageLoop::current()->PostDelayedTask(
 434         FROM_HERE,
 435         base::Bind(&OrderedSocketData::CompleteRead,
 436                    weak_factory_.GetWeakPtr()),
 437         base::TimeDelta::FromMilliseconds(100));
 438   }
 439   return StaticSocketDataProvider::OnWrite(data);
 440 }
 441
 442 void OrderedSocketData::Reset() {
 443   NET_TRACE(INFO, "  *** ") << "Stage "
 444                             << sequence_number_ << ": Reset()";
 445   sequence_number_ = 0;
 446   loop_stop_stage_ = 0;
 447   set_socket(NULL);
 448   weak_factory_.InvalidateWeakPtrs();
 449   StaticSocketDataProvider::Reset();
 450 }
 451
 452 void OrderedSocketData::CompleteRead() {
 453   if (socket() && blocked_) {
 454     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_;
 455     socket()->OnReadComplete(GetNextRead());
 456   }
 457 }
 458
 459 OrderedSocketData::~OrderedSocketData() {}
 460
 461 DeterministicSocketData::DeterministicSocketData(MockRead* reads,
 462     size_t reads_count, MockWrite* writes, size_t writes_count)
 463     : StaticSocketDataProvider(reads, reads_count, writes, writes_count),
 464       sequence_number_(0),
 465       current_read_(),
 466       current_write_(),
 467       stopping_sequence_number_(0),
 468       stopped_(false),
 469       print_debug_(false),
 470       is_running_(false) {
 471   VerifyCorrectSequenceNumbers(reads, reads_count, writes, writes_count);
 472 }
 473
 474 DeterministicSocketData::~DeterministicSocketData() {}
 475
 476 void DeterministicSocketData::Run() {
 477   DCHECK(!is_running_);
 478   is_running_ = true;
 479
 480   SetStopped(false);
 481   int counter = 0;
 482   // Continue to consume data until all data has run out, or the stopped_ flag
 483   // has been set. Consuming data requires two separate operations -- running
 484   // the tasks in the message loop, and explicitly invoking the read/write
 485   // callbacks (simulating network I/O). We check our conditions between each,
 486   // since they can change in either.
 487   while ((!at_write_eof() || !at_read_eof()) && !stopped()) {
 488     if (counter % 2 == 0)
 489       base::RunLoop().RunUntilIdle();
 490     if (counter % 2 == 1) {
 491       InvokeCallbacks();
 492     }
 493     counter++;
 494   }
 495   // We're done consuming new data, but it is possible there are still some
 496   // pending callbacks which we expect to complete before returning.
 497   while (delegate_.get() &&
 498          (delegate_->WritePending() || delegate_->ReadPending()) &&
 499          !stopped()) {
 500     InvokeCallbacks();
 501     base::RunLoop().RunUntilIdle();
 502   }
 503   SetStopped(false);
 504   is_running_ = false;
 505 }
 506
 507 void DeterministicSocketData::RunFor(int steps) {
 508   StopAfter(steps);
 509   Run();
 510 }
 511
 512 void DeterministicSocketData::SetStop(int seq) {
 513   DCHECK_LT(sequence_number_, seq);
 514   stopping_sequence_number_ = seq;
 515   stopped_ = false;
 516 }
 517
 518 void DeterministicSocketData::StopAfter(int seq) {
 519   SetStop(sequence_number_ + seq);
 520 }
 521
 522 MockRead DeterministicSocketData::GetNextRead() {
 523   current_read_ = StaticSocketDataProvider::PeekRead();
 524
 525   // Synchronous read while stopped is an error
 526   if (stopped() && current_read_.mode == SYNCHRONOUS) {
 527     LOG(ERROR) << "Unable to perform synchronous IO while stopped";
 528     return MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
 529   }
 530
 531   // Async read which will be called back in a future step.
 532   if (sequence_number_ < current_read_.sequence_number) {
 533     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 534                               << ": I/O Pending";
 535     MockRead result = MockRead(SYNCHRONOUS, ERR_IO_PENDING);
 536     if (current_read_.mode == SYNCHRONOUS) {
 537       LOG(ERROR) << "Unable to perform synchronous read: "
 538           << current_read_.sequence_number
 539           << " at stage: " << sequence_number_;
 540       result = MockRead(SYNCHRONOUS, ERR_UNEXPECTED);
 541     }
 542     if (print_debug_)
 543       DumpMockReadWrite(result);
 544     return result;
 545   }
 546
 547   NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 548                             << ": Read " << read_index();
 549   if (print_debug_)
 550     DumpMockReadWrite(current_read_);
 551
 552   // Increment the sequence number if IO is complete
 553   if (current_read_.mode == SYNCHRONOUS)
 554     NextStep();
 555
 556   DCHECK_NE(ERR_IO_PENDING, current_read_.result);
 557   StaticSocketDataProvider::GetNextRead();
 558
 559   return current_read_;
 560 }
 561
 562 MockWriteResult DeterministicSocketData::OnWrite(const std::string& data) {
 563   const MockWrite& next_write = StaticSocketDataProvider::PeekWrite();
 564   current_write_ = next_write;
 565
 566   // Synchronous write while stopped is an error
 567   if (stopped() && next_write.mode == SYNCHRONOUS) {
 568     LOG(ERROR) << "Unable to perform synchronous IO while stopped";
 569     return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 570   }
 571
 572   // Async write which will be called back in a future step.
 573   if (sequence_number_ < next_write.sequence_number) {
 574     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 575                               << ": I/O Pending";
 576     if (next_write.mode == SYNCHRONOUS) {
 577       LOG(ERROR) << "Unable to perform synchronous write: "
 578           << next_write.sequence_number << " at stage: " << sequence_number_;
 579       return MockWriteResult(SYNCHRONOUS, ERR_UNEXPECTED);
 580     }
 581   } else {
 582     NET_TRACE(INFO, "  *** ") << "Stage " << sequence_number_
 583                               << ": Write " << write_index();
 584   }
 585
 586   if (print_debug_)
 587     DumpMockReadWrite(next_write);
 588
 589   // Move to the next step if I/O is synchronous, since the operation will
 590   // complete when this method returns.
 591   if (next_write.mode == SYNCHRONOUS)
 592     NextStep();
 593
 594   // This is either a sync write for this step, or an async write.
 595   return StaticSocketDataProvider::OnWrite(data);
 596 }
 597
 598 void DeterministicSocketData::Reset() {
 599   NET_TRACE(INFO, "  *** ") << "Stage "
 600                             << sequence_number_ << ": Reset()";
 601   sequence_number_ = 0;
 602   StaticSocketDataProvider::Reset();
 603   NOTREACHED();
 604 }
 605
 606 void DeterministicSocketData::InvokeCallbacks() {
 607   if (delegate_.get() && delegate_->WritePending() &&
 608       (current_write().sequence_number == sequence_number())) {
 609     NextStep();
 610     delegate_->CompleteWrite();
 611     return;
 612   }
 613   if (delegate_.get() && delegate_->ReadPending() &&
 614       (current_read().sequence_number == sequence_number())) {
 615     NextStep();
 616     delegate_->CompleteRead();
 617     return;
 618   }
 619 }
 620
 621 void DeterministicSocketData::NextStep() {
 622   // Invariant: Can never move *past* the stopping step.
 623   DCHECK_LT(sequence_number_, stopping_sequence_number_);
 624   sequence_number_++;
 625   if (sequence_number_ == stopping_sequence_number_)
 626     SetStopped(true);
 627 }
 628
 629 void DeterministicSocketData::VerifyCorrectSequenceNumbers(
 630     MockRead* reads, size_t reads_count,
 631     MockWrite* writes, size_t writes_count) {
 632   size_t read = 0;
 633   size_t write = 0;
 634   int expected = 0;
 635   while (read < reads_count || write < writes_count) {
 636     // Check to see that we have a read or write at the expected
 637     // state.
 638     if (read < reads_count  && reads[read].sequence_number == expected) {
 639       ++read;
 640       ++expected;
 641       continue;
 642     }
 643     if (write < writes_count && writes[write].sequence_number == expected) {
 644       ++write;
 645       ++expected;
 646       continue;
 647     }
 648     NOTREACHED() << "Missing sequence number: " << expected;
 649     return;
 650   }
 651   DCHECK_EQ(read, reads_count);
 652   DCHECK_EQ(write, writes_count);
 653 }
 654
 655 MockClientSocketFactory::MockClientSocketFactory() {}
 656
 657 MockClientSocketFactory::~MockClientSocketFactory() {}
 658
 659 void MockClientSocketFactory::AddSocketDataProvider(
 660     SocketDataProvider* data) {
 661   mock_data_.Add(data);
 662 }
 663
 664 void MockClientSocketFactory::AddSSLSocketDataProvider(
 665     SSLSocketDataProvider* data) {
 666   mock_ssl_data_.Add(data);
 667 }
 668
 669 void MockClientSocketFactory::ResetNextMockIndexes() {
 670   mock_data_.ResetNextIndex();
 671   mock_ssl_data_.ResetNextIndex();
 672 }
 673
 674 scoped_ptr<DatagramClientSocket>
 675 MockClientSocketFactory::CreateDatagramClientSocket(
 676     DatagramSocket::BindType bind_type,
 677     const RandIntCallback& rand_int_cb,
 678     net::NetLog* net_log,
 679     const net::NetLog::Source& source) {
 680   SocketDataProvider* data_provider = mock_data_.GetNext();
 681   scoped_ptr<MockUDPClientSocket> socket(
 682       new MockUDPClientSocket(data_provider, net_log));
 683   data_provider->set_socket(socket.get());
 684   if (bind_type == DatagramSocket::RANDOM_BIND)
 685     socket->set_source_port(rand_int_cb.Run(1025, 65535));
 686   return socket.PassAs<DatagramClientSocket>();
 687 }
 688
 689 scoped_ptr<StreamSocket> MockClientSocketFactory::CreateTransportClientSocket(
 690     const AddressList& addresses,
 691     net::NetLog* net_log,
 692     const net::NetLog::Source& source) {
 693   SocketDataProvider* data_provider = mock_data_.GetNext();
 694   scoped_ptr<MockTCPClientSocket> socket(
 695       new MockTCPClientSocket(addresses, net_log, data_provider));
 696   data_provider->set_socket(socket.get());
 697   return socket.PassAs<StreamSocket>();
 698 }
 699
 700 scoped_ptr<SSLClientSocket> MockClientSocketFactory::CreateSSLClientSocket(
 701     scoped_ptr<ClientSocketHandle> transport_socket,
 702     const HostPortPair& host_and_port,
 703     const SSLConfig& ssl_config,
 704     const SSLClientSocketContext& context) {
 705   scoped_ptr<MockSSLClientSocket> socket(
 706       new MockSSLClientSocket(transport_socket.Pass(),
 707                               host_and_port,
 708                               ssl_config,
 709                               mock_ssl_data_.GetNext()));
 710   ssl_client_sockets_.push_back(socket.get());
 711   return socket.PassAs<SSLClientSocket>();
 712 }
 713
 714 void MockClientSocketFactory::ClearSSLSessionCache() {
 715 }
 716
 717 const char MockClientSocket::kTlsUnique[] = "MOCK_TLSUNIQ";
 718
 719 MockClientSocket::MockClientSocket(const BoundNetLog& net_log)
 720     : connected_(false),
 721       net_log_(net_log),
 722       weak_factory_(this) {
 723   IPAddressNumber ip;
 724   CHECK(ParseIPLiteralToNumber("192.0.2.33", &ip));
 725   peer_addr_ = IPEndPoint(ip, 0);
 726 }
 727
 728 int MockClientSocket::SetReceiveBufferSize(int32 size) {
 729   return OK;
 730 }
 731
 732 int MockClientSocket::SetSendBufferSize(int32 size) {
 733   return OK;
 734 }
 735
 736 void MockClientSocket::Disconnect() {
 737   connected_ = false;
 738 }
 739
 740 bool MockClientSocket::IsConnected() const {
 741   return connected_;
 742 }
 743
 744 bool MockClientSocket::IsConnectedAndIdle() const {
 745   return connected_;
 746 }
 747
 748 int MockClientSocket::GetPeerAddress(IPEndPoint* address) const {
 749   if (!IsConnected())
 750     return ERR_SOCKET_NOT_CONNECTED;
 751   *address = peer_addr_;
 752   return OK;
 753 }
 754
 755 int MockClientSocket::GetLocalAddress(IPEndPoint* address) const {
 756   IPAddressNumber ip;
 757   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
 758   CHECK(rv);
 759   *address = IPEndPoint(ip, 123);
 760   return OK;
 761 }
 762
 763 const BoundNetLog& MockClientSocket::NetLog() const {
 764   return net_log_;
 765 }
 766
 767 bool MockClientSocket::InSessionCache() const {
 768   NOTIMPLEMENTED();
 769   return false;
 770 }
 771
 772 void MockClientSocket::SetHandshakeCompletionCallback(const base::Closure& cb) {
 773   NOTIMPLEMENTED();
 774 }
 775
 776 void MockClientSocket::GetSSLCertRequestInfo(
 777   SSLCertRequestInfo* cert_request_info) {
 778 }
 779
 780 int MockClientSocket::ExportKeyingMaterial(const base::StringPiece& label,
 781                                            bool has_context,
 782                                            const base::StringPiece& context,
 783                                            unsigned char* out,
 784                                            unsigned int outlen) {
 785   memset(out, 'A', outlen);
 786   return OK;
 787 }
 788
 789 int MockClientSocket::GetTLSUniqueChannelBinding(std::string* out) {
 790   out->assign(MockClientSocket::kTlsUnique);
 791   return OK;
 792 }
 793
 794 ChannelIDService* MockClientSocket::GetChannelIDService() const {
 795   NOTREACHED();
 796   return NULL;
 797 }
 798
 799 SSLClientSocket::NextProtoStatus
 800 MockClientSocket::GetNextProto(std::string* proto) {
 801   proto->clear();
 802   return SSLClientSocket::kNextProtoUnsupported;
 803 }
 804
 805 scoped_refptr<X509Certificate>
 806 MockClientSocket::GetUnverifiedServerCertificateChain() const {
 807   NOTREACHED();
 808   return NULL;
 809 }
 810
 811 MockClientSocket::~MockClientSocket() {}
 812
 813 void MockClientSocket::RunCallbackAsync(const CompletionCallback& callback,
 814                                         int result) {
 815   base::MessageLoop::current()->PostTask(
 816       FROM_HERE,
 817       base::Bind(&MockClientSocket::RunCallback,
 818                  weak_factory_.GetWeakPtr(),
 819                  callback,
 820                  result));
 821 }
 822
 823 void MockClientSocket::RunCallback(const net::CompletionCallback& callback,
 824                                    int result) {
 825   if (!callback.is_null())
 826     callback.Run(result);
 827 }
 828
 829 MockTCPClientSocket::MockTCPClientSocket(const AddressList& addresses,
 830                                          net::NetLog* net_log,
 831                                          SocketDataProvider* data)
 832     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
 833       addresses_(addresses),
 834       data_(data),
 835       read_offset_(0),
 836       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
 837       need_read_data_(true),
 838       peer_closed_connection_(false),
 839       pending_buf_(NULL),
 840       pending_buf_len_(0),
 841       was_used_to_convey_data_(false) {
 842   DCHECK(data_);
 843   peer_addr_ = data->connect_data().peer_addr;
 844   data_->Reset();
 845 }
 846
 847 MockTCPClientSocket::~MockTCPClientSocket() {}
 848
 849 int MockTCPClientSocket::Read(IOBuffer* buf, int buf_len,
 850                               const CompletionCallback& callback) {
 851   if (!connected_)
 852     return ERR_UNEXPECTED;
 853
 854   // If the buffer is already in use, a read is already in progress!
 855   DCHECK(pending_buf_ == NULL);
 856
 857   // Store our async IO data.
 858   pending_buf_ = buf;
 859   pending_buf_len_ = buf_len;
 860   pending_callback_ = callback;
 861
 862   if (need_read_data_) {
 863     read_data_ = data_->GetNextRead();
 864     if (read_data_.result == ERR_CONNECTION_CLOSED) {
 865       // This MockRead is just a marker to instruct us to set
 866       // peer_closed_connection_.
 867       peer_closed_connection_ = true;
 868     }
 869     if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
 870       // This MockRead is just a marker to instruct us to set
 871       // peer_closed_connection_.  Skip it and get the next one.
 872       read_data_ = data_->GetNextRead();
 873       peer_closed_connection_ = true;
 874     }
 875     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
 876     // to complete the async IO manually later (via OnReadComplete).
 877     if (read_data_.result == ERR_IO_PENDING) {
 878       // We need to be using async IO in this case.
 879       DCHECK(!callback.is_null());
 880       return ERR_IO_PENDING;
 881     }
 882     need_read_data_ = false;
 883   }
 884
 885   return CompleteRead();
 886 }
 887
 888 int MockTCPClientSocket::Write(IOBuffer* buf, int buf_len,
 889                                const CompletionCallback& callback) {
 890   DCHECK(buf);
 891   DCHECK_GT(buf_len, 0);
 892
 893   if (!connected_)
 894     return ERR_UNEXPECTED;
 895
 896   std::string data(buf->data(), buf_len);
 897   MockWriteResult write_result = data_->OnWrite(data);
 898
 899   was_used_to_convey_data_ = true;
 900
 901   if (write_result.mode == ASYNC) {
 902     RunCallbackAsync(callback, write_result.result);
 903     return ERR_IO_PENDING;
 904   }
 905
 906   return write_result.result;
 907 }
 908
 909 int MockTCPClientSocket::Connect(const CompletionCallback& callback) {
 910   if (connected_)
 911     return OK;
 912   connected_ = true;
 913   peer_closed_connection_ = false;
 914   if (data_->connect_data().mode == ASYNC) {
 915     if (data_->connect_data().result == ERR_IO_PENDING)
 916       pending_callback_ = callback;
 917     else
 918       RunCallbackAsync(callback, data_->connect_data().result);
 919     return ERR_IO_PENDING;
 920   }
 921   return data_->connect_data().result;
 922 }
 923
 924 void MockTCPClientSocket::Disconnect() {
 925   MockClientSocket::Disconnect();
 926   pending_callback_.Reset();
 927 }
 928
 929 bool MockTCPClientSocket::IsConnected() const {
 930   return connected_ && !peer_closed_connection_;
 931 }
 932
 933 bool MockTCPClientSocket::IsConnectedAndIdle() const {
 934   return IsConnected();
 935 }
 936
 937 int MockTCPClientSocket::GetPeerAddress(IPEndPoint* address) const {
 938   if (addresses_.empty())
 939     return MockClientSocket::GetPeerAddress(address);
 940
 941   *address = addresses_[0];
 942   return OK;
 943 }
 944
 945 bool MockTCPClientSocket::WasEverUsed() const {
 946   return was_used_to_convey_data_;
 947 }
 948
 949 bool MockTCPClientSocket::UsingTCPFastOpen() const {
 950   return false;
 951 }
 952
 953 bool MockTCPClientSocket::WasNpnNegotiated() const {
 954   return false;
 955 }
 956
 957 bool MockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
 958   return false;
 959 }
 960
 961 void MockTCPClientSocket::OnReadComplete(const MockRead& data) {
 962   // There must be a read pending.
 963   DCHECK(pending_buf_);
 964   // You can't complete a read with another ERR_IO_PENDING status code.
 965   DCHECK_NE(ERR_IO_PENDING, data.result);
 966   // Since we've been waiting for data, need_read_data_ should be true.
 967   DCHECK(need_read_data_);
 968
 969   read_data_ = data;
 970   need_read_data_ = false;
 971
 972   // The caller is simulating that this IO completes right now.  Don't
 973   // let CompleteRead() schedule a callback.
 974   read_data_.mode = SYNCHRONOUS;
 975
 976   CompletionCallback callback = pending_callback_;
 977   int rv = CompleteRead();
 978   RunCallback(callback, rv);
 979 }
 980
 981 void MockTCPClientSocket::OnConnectComplete(const MockConnect& data) {
 982   CompletionCallback callback = pending_callback_;
 983   RunCallback(callback, data.result);
 984 }
 985
 986 int MockTCPClientSocket::CompleteRead() {
 987   DCHECK(pending_buf_);
 988   DCHECK(pending_buf_len_ > 0);
 989
 990   was_used_to_convey_data_ = true;
 991
 992   // Save the pending async IO data and reset our |pending_| state.
 993   scoped_refptr<IOBuffer> buf = pending_buf_;
 994   int buf_len = pending_buf_len_;
 995   CompletionCallback callback = pending_callback_;
 996   pending_buf_ = NULL;
 997   pending_buf_len_ = 0;
 998   pending_callback_.Reset();
 999
1000   int result = read_data_.result;
1001   DCHECK(result != ERR_IO_PENDING);
1002
1003   if (read_data_.data) {
1004     if (read_data_.data_len - read_offset_ > 0) {
1005       result = std::min(buf_len, read_data_.data_len - read_offset_);
1006       memcpy(buf->data(), read_data_.data + read_offset_, result);
1007       read_offset_ += result;
1008       if (read_offset_ == read_data_.data_len) {
1009         need_read_data_ = true;
1010         read_offset_ = 0;
1011       }
1012     } else {
1013       result = 0;  // EOF
1014     }
1015   }
1016
1017   if (read_data_.mode == ASYNC) {
1018     DCHECK(!callback.is_null());
1019     RunCallbackAsync(callback, result);
1020     return ERR_IO_PENDING;
1021   }
1022   return result;
1023 }
1024
1025 DeterministicSocketHelper::DeterministicSocketHelper(
1026     net::NetLog* net_log,
1027     DeterministicSocketData* data)
1028     : write_pending_(false),
1029       write_result_(0),
1030       read_data_(),
1031       read_buf_(NULL),
1032       read_buf_len_(0),
1033       read_pending_(false),
1034       data_(data),
1035       was_used_to_convey_data_(false),
1036       peer_closed_connection_(false),
1037       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)) {
1038 }
1039
1040 DeterministicSocketHelper::~DeterministicSocketHelper() {}
1041
1042 void DeterministicSocketHelper::CompleteWrite() {
1043   was_used_to_convey_data_ = true;
1044   write_pending_ = false;
1045   write_callback_.Run(write_result_);
1046 }
1047
1048 int DeterministicSocketHelper::CompleteRead() {
1049   DCHECK_GT(read_buf_len_, 0);
1050   DCHECK_LE(read_data_.data_len, read_buf_len_);
1051   DCHECK(read_buf_);
1052
1053   was_used_to_convey_data_ = true;
1054
1055   if (read_data_.result == ERR_IO_PENDING)
1056     read_data_ = data_->GetNextRead();
1057   DCHECK_NE(ERR_IO_PENDING, read_data_.result);
1058   // If read_data_.mode is ASYNC, we do not need to wait, since this is already
1059   // the callback. Therefore we don't even bother to check it.
1060   int result = read_data_.result;
1061
1062   if (read_data_.data_len > 0) {
1063     DCHECK(read_data_.data);
1064     result = std::min(read_buf_len_, read_data_.data_len);
1065     memcpy(read_buf_->data(), read_data_.data, result);
1066   }
1067
1068   if (read_pending_) {
1069     read_pending_ = false;
1070     read_callback_.Run(result);
1071   }
1072
1073   return result;
1074 }
1075
1076 int DeterministicSocketHelper::Write(
1077     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1078   DCHECK(buf);
1079   DCHECK_GT(buf_len, 0);
1080
1081   std::string data(buf->data(), buf_len);
1082   MockWriteResult write_result = data_->OnWrite(data);
1083
1084   if (write_result.mode == ASYNC) {
1085     write_callback_ = callback;
1086     write_result_ = write_result.result;
1087     DCHECK(!write_callback_.is_null());
1088     write_pending_ = true;
1089     return ERR_IO_PENDING;
1090   }
1091
1092   was_used_to_convey_data_ = true;
1093   write_pending_ = false;
1094   return write_result.result;
1095 }
1096
1097 int DeterministicSocketHelper::Read(
1098     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1099
1100   read_data_ = data_->GetNextRead();
1101   // The buffer should always be big enough to contain all the MockRead data. To
1102   // use small buffers, split the data into multiple MockReads.
1103   DCHECK_LE(read_data_.data_len, buf_len);
1104
1105   if (read_data_.result == ERR_CONNECTION_CLOSED) {
1106     // This MockRead is just a marker to instruct us to set
1107     // peer_closed_connection_.
1108     peer_closed_connection_ = true;
1109   }
1110   if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
1111     // This MockRead is just a marker to instruct us to set
1112     // peer_closed_connection_.  Skip it and get the next one.
1113     read_data_ = data_->GetNextRead();
1114     peer_closed_connection_ = true;
1115   }
1116
1117   read_buf_ = buf;
1118   read_buf_len_ = buf_len;
1119   read_callback_ = callback;
1120
1121   if (read_data_.mode == ASYNC || (read_data_.result == ERR_IO_PENDING)) {
1122     read_pending_ = true;
1123     DCHECK(!read_callback_.is_null());
1124     return ERR_IO_PENDING;
1125   }
1126
1127   was_used_to_convey_data_ = true;
1128   return CompleteRead();
1129 }
1130
1131 DeterministicMockUDPClientSocket::DeterministicMockUDPClientSocket(
1132     net::NetLog* net_log,
1133     DeterministicSocketData* data)
1134     : connected_(false),
1135       helper_(net_log, data),
1136       source_port_(123) {
1137 }
1138
1139 DeterministicMockUDPClientSocket::~DeterministicMockUDPClientSocket() {}
1140
1141 bool DeterministicMockUDPClientSocket::WritePending() const {
1142   return helper_.write_pending();
1143 }
1144
1145 bool DeterministicMockUDPClientSocket::ReadPending() const {
1146   return helper_.read_pending();
1147 }
1148
1149 void DeterministicMockUDPClientSocket::CompleteWrite() {
1150   helper_.CompleteWrite();
1151 }
1152
1153 int DeterministicMockUDPClientSocket::CompleteRead() {
1154   return helper_.CompleteRead();
1155 }
1156
1157 int DeterministicMockUDPClientSocket::Connect(const IPEndPoint& address) {
1158   if (connected_)
1159     return OK;
1160   connected_ = true;
1161   peer_address_ = address;
1162   return helper_.data()->connect_data().result;
1163 };
1164
1165 int DeterministicMockUDPClientSocket::Write(
1166     IOBuffer* buf,
1167     int buf_len,
1168     const CompletionCallback& callback) {
1169   if (!connected_)
1170     return ERR_UNEXPECTED;
1171
1172   return helper_.Write(buf, buf_len, callback);
1173 }
1174
1175 int DeterministicMockUDPClientSocket::Read(
1176     IOBuffer* buf,
1177     int buf_len,
1178     const CompletionCallback& callback) {
1179   if (!connected_)
1180     return ERR_UNEXPECTED;
1181
1182   return helper_.Read(buf, buf_len, callback);
1183 }
1184
1185 int DeterministicMockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1186   return OK;
1187 }
1188
1189 int DeterministicMockUDPClientSocket::SetSendBufferSize(int32 size) {
1190   return OK;
1191 }
1192
1193 void DeterministicMockUDPClientSocket::Close() {
1194   connected_ = false;
1195 }
1196
1197 int DeterministicMockUDPClientSocket::GetPeerAddress(
1198     IPEndPoint* address) const {
1199   *address = peer_address_;
1200   return OK;
1201 }
1202
1203 int DeterministicMockUDPClientSocket::GetLocalAddress(
1204     IPEndPoint* address) const {
1205   IPAddressNumber ip;
1206   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1207   CHECK(rv);
1208   *address = IPEndPoint(ip, source_port_);
1209   return OK;
1210 }
1211
1212 const BoundNetLog& DeterministicMockUDPClientSocket::NetLog() const {
1213   return helper_.net_log();
1214 }
1215
1216 void DeterministicMockUDPClientSocket::OnReadComplete(const MockRead& data) {}
1217
1218 void DeterministicMockUDPClientSocket::OnConnectComplete(
1219     const MockConnect& data) {
1220   NOTIMPLEMENTED();
1221 }
1222
1223 DeterministicMockTCPClientSocket::DeterministicMockTCPClientSocket(
1224     net::NetLog* net_log,
1225     DeterministicSocketData* data)
1226     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1227       helper_(net_log, data) {
1228   peer_addr_ = data->connect_data().peer_addr;
1229 }
1230
1231 DeterministicMockTCPClientSocket::~DeterministicMockTCPClientSocket() {}
1232
1233 bool DeterministicMockTCPClientSocket::WritePending() const {
1234   return helper_.write_pending();
1235 }
1236
1237 bool DeterministicMockTCPClientSocket::ReadPending() const {
1238   return helper_.read_pending();
1239 }
1240
1241 void DeterministicMockTCPClientSocket::CompleteWrite() {
1242   helper_.CompleteWrite();
1243 }
1244
1245 int DeterministicMockTCPClientSocket::CompleteRead() {
1246   return helper_.CompleteRead();
1247 }
1248
1249 int DeterministicMockTCPClientSocket::Write(
1250     IOBuffer* buf,
1251     int buf_len,
1252     const CompletionCallback& callback) {
1253   if (!connected_)
1254     return ERR_UNEXPECTED;
1255
1256   return helper_.Write(buf, buf_len, callback);
1257 }
1258
1259 int DeterministicMockTCPClientSocket::Read(
1260     IOBuffer* buf,
1261     int buf_len,
1262     const CompletionCallback& callback) {
1263   if (!connected_)
1264     return ERR_UNEXPECTED;
1265
1266   return helper_.Read(buf, buf_len, callback);
1267 }
1268
1269 // TODO(erikchen): Support connect sequencing.
1270 int DeterministicMockTCPClientSocket::Connect(
1271     const CompletionCallback& callback) {
1272   if (connected_)
1273     return OK;
1274   connected_ = true;
1275   if (helper_.data()->connect_data().mode == ASYNC) {
1276     RunCallbackAsync(callback, helper_.data()->connect_data().result);
1277     return ERR_IO_PENDING;
1278   }
1279   return helper_.data()->connect_data().result;
1280 }
1281
1282 void DeterministicMockTCPClientSocket::Disconnect() {
1283   MockClientSocket::Disconnect();
1284 }
1285
1286 bool DeterministicMockTCPClientSocket::IsConnected() const {
1287   return connected_ && !helper_.peer_closed_connection();
1288 }
1289
1290 bool DeterministicMockTCPClientSocket::IsConnectedAndIdle() const {
1291   return IsConnected();
1292 }
1293
1294 bool DeterministicMockTCPClientSocket::WasEverUsed() const {
1295   return helper_.was_used_to_convey_data();
1296 }
1297
1298 bool DeterministicMockTCPClientSocket::UsingTCPFastOpen() const {
1299   return false;
1300 }
1301
1302 bool DeterministicMockTCPClientSocket::WasNpnNegotiated() const {
1303   return false;
1304 }
1305
1306 bool DeterministicMockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1307   return false;
1308 }
1309
1310 void DeterministicMockTCPClientSocket::OnReadComplete(const MockRead& data) {}
1311
1312 void DeterministicMockTCPClientSocket::OnConnectComplete(
1313     const MockConnect& data) {}
1314
1315 MockSSLClientSocket::MockSSLClientSocket(
1316     scoped_ptr<ClientSocketHandle> transport_socket,
1317     const HostPortPair& host_port_pair,
1318     const SSLConfig& ssl_config,
1319     SSLSocketDataProvider* data)
1320     : MockClientSocket(
1321           // Have to use the right BoundNetLog for LoadTimingInfo regression
1322           // tests.
1323           transport_socket->socket()->NetLog()),
1324       transport_(transport_socket.Pass()),
1325       data_(data),
1326       is_npn_state_set_(false),
1327       new_npn_value_(false),
1328       is_protocol_negotiated_set_(false),
1329       protocol_negotiated_(kProtoUnknown),
1330       next_connect_state_(STATE_NONE),
1331       reached_connect_(false),
1332       weak_factory_(this) {
1333   DCHECK(data_);
1334   peer_addr_ = data->connect.peer_addr;
1335 }
1336
1337 MockSSLClientSocket::~MockSSLClientSocket() {
1338   Disconnect();
1339 }
1340
1341 int MockSSLClientSocket::Read(IOBuffer* buf, int buf_len,
1342                               const CompletionCallback& callback) {
1343   return transport_->socket()->Read(buf, buf_len, callback);
1344 }
1345
1346 int MockSSLClientSocket::Write(IOBuffer* buf, int buf_len,
1347                                const CompletionCallback& callback) {
1348   return transport_->socket()->Write(buf, buf_len, callback);
1349 }
1350
1351 int MockSSLClientSocket::Connect(const CompletionCallback& callback) {
1352   next_connect_state_ = STATE_SSL_CONNECT;
1353   reached_connect_ = true;
1354   int rv = DoConnectLoop(OK);
1355   if (rv == ERR_IO_PENDING)
1356     connect_callback_ = callback;
1357   return rv;
1358 }
1359
1360 void MockSSLClientSocket::Disconnect() {
1361   weak_factory_.InvalidateWeakPtrs();
1362   MockClientSocket::Disconnect();
1363   if (transport_->socket() != NULL)
1364     transport_->socket()->Disconnect();
1365 }
1366
1367 bool MockSSLClientSocket::IsConnected() const {
1368   return transport_->socket()->IsConnected() && connected_;
1369 }
1370
1371 bool MockSSLClientSocket::WasEverUsed() const {
1372   return transport_->socket()->WasEverUsed();
1373 }
1374
1375 bool MockSSLClientSocket::UsingTCPFastOpen() const {
1376   return transport_->socket()->UsingTCPFastOpen();
1377 }
1378
1379 int MockSSLClientSocket::GetPeerAddress(IPEndPoint* address) const {
1380   return transport_->socket()->GetPeerAddress(address);
1381 }
1382
1383 bool MockSSLClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1384   ssl_info->Reset();
1385   ssl_info->cert = data_->cert;
1386   ssl_info->client_cert_sent = data_->client_cert_sent;
1387   ssl_info->channel_id_sent = data_->channel_id_sent;
1388   ssl_info->connection_status = data_->connection_status;
1389   return true;
1390 }
1391
1392 bool MockSSLClientSocket::InSessionCache() const {
1393   return data_->is_in_session_cache;
1394 }
1395
1396 void MockSSLClientSocket::SetHandshakeCompletionCallback(
1397     const base::Closure& cb) {
1398   handshake_completion_callback_ = cb;
1399 }
1400
1401 void MockSSLClientSocket::GetSSLCertRequestInfo(
1402     SSLCertRequestInfo* cert_request_info) {
1403   DCHECK(cert_request_info);
1404   if (data_->cert_request_info) {
1405     cert_request_info->host_and_port =
1406         data_->cert_request_info->host_and_port;
1407     cert_request_info->client_certs = data_->cert_request_info->client_certs;
1408   } else {
1409     cert_request_info->Reset();
1410   }
1411 }
1412
1413 SSLClientSocket::NextProtoStatus MockSSLClientSocket::GetNextProto(
1414     std::string* proto) {
1415   *proto = data_->next_proto;
1416   return data_->next_proto_status;
1417 }
1418
1419 bool MockSSLClientSocket::set_was_npn_negotiated(bool negotiated) {
1420   is_npn_state_set_ = true;
1421   return new_npn_value_ = negotiated;
1422 }
1423
1424 bool MockSSLClientSocket::WasNpnNegotiated() const {
1425   if (is_npn_state_set_)
1426     return new_npn_value_;
1427   return data_->was_npn_negotiated;
1428 }
1429
1430 NextProto MockSSLClientSocket::GetNegotiatedProtocol() const {
1431   if (is_protocol_negotiated_set_)
1432     return protocol_negotiated_;
1433   return data_->protocol_negotiated;
1434 }
1435
1436 void MockSSLClientSocket::set_protocol_negotiated(
1437     NextProto protocol_negotiated) {
1438   is_protocol_negotiated_set_ = true;
1439   protocol_negotiated_ = protocol_negotiated;
1440 }
1441
1442 bool MockSSLClientSocket::WasChannelIDSent() const {
1443   return data_->channel_id_sent;
1444 }
1445
1446 void MockSSLClientSocket::set_channel_id_sent(bool channel_id_sent) {
1447   data_->channel_id_sent = channel_id_sent;
1448 }
1449
1450 ChannelIDService* MockSSLClientSocket::GetChannelIDService() const {
1451   return data_->channel_id_service;
1452 }
1453
1454 void MockSSLClientSocket::OnReadComplete(const MockRead& data) {
1455   NOTIMPLEMENTED();
1456 }
1457
1458 void MockSSLClientSocket::OnConnectComplete(const MockConnect& data) {
1459   NOTIMPLEMENTED();
1460 }
1461
1462 void MockSSLClientSocket::RestartPausedConnect() {
1463   DCHECK(data_->should_pause_on_connect);
1464   DCHECK_EQ(next_connect_state_, STATE_SSL_CONNECT_COMPLETE);
1465   OnIOComplete(data_->connect.result);
1466 }
1467
1468 void MockSSLClientSocket::OnIOComplete(int result) {
1469   int rv = DoConnectLoop(result);
1470   if (rv != ERR_IO_PENDING)
1471     base::ResetAndReturn(&connect_callback_).Run(rv);
1472 }
1473
1474 int MockSSLClientSocket::DoConnectLoop(int result) {
1475   DCHECK_NE(next_connect_state_, STATE_NONE);
1476
1477   int rv = result;
1478   do {
1479     ConnectState state = next_connect_state_;
1480     next_connect_state_ = STATE_NONE;
1481     switch (state) {
1482       case STATE_SSL_CONNECT:
1483         rv = DoSSLConnect();
1484         break;
1485       case STATE_SSL_CONNECT_COMPLETE:
1486         rv = DoSSLConnectComplete(rv);
1487         break;
1488       default:
1489         NOTREACHED() << "bad state";
1490         rv = ERR_UNEXPECTED;
1491         break;
1492     }
1493   } while (rv != ERR_IO_PENDING && next_connect_state_ != STATE_NONE);
1494
1495   return rv;
1496 }
1497
1498 int MockSSLClientSocket::DoSSLConnect() {
1499   next_connect_state_ = STATE_SSL_CONNECT_COMPLETE;
1500
1501   if (data_->should_pause_on_connect)
1502     return ERR_IO_PENDING;
1503
1504   if (data_->connect.mode == ASYNC) {
1505     base::MessageLoop::current()->PostTask(
1506         FROM_HERE,
1507         base::Bind(&MockSSLClientSocket::OnIOComplete,
1508                    weak_factory_.GetWeakPtr(),
1509                    data_->connect.result));
1510     return ERR_IO_PENDING;
1511   }
1512
1513   return data_->connect.result;
1514 }
1515
1516 int MockSSLClientSocket::DoSSLConnectComplete(int result) {
1517   if (result == OK)
1518     connected_ = true;
1519
1520   if (!handshake_completion_callback_.is_null())
1521     base::ResetAndReturn(&handshake_completion_callback_).Run();
1522   return result;
1523 }
1524
1525 MockUDPClientSocket::MockUDPClientSocket(SocketDataProvider* data,
1526                                          net::NetLog* net_log)
1527     : connected_(false),
1528       data_(data),
1529       read_offset_(0),
1530       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
1531       need_read_data_(true),
1532       source_port_(123),
1533       pending_buf_(NULL),
1534       pending_buf_len_(0),
1535       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1536       weak_factory_(this) {
1537   DCHECK(data_);
1538   data_->Reset();
1539   peer_addr_ = data->connect_data().peer_addr;
1540 }
1541
1542 MockUDPClientSocket::~MockUDPClientSocket() {}
1543
1544 int MockUDPClientSocket::Read(IOBuffer* buf,
1545                               int buf_len,
1546                               const CompletionCallback& callback) {
1547   if (!connected_)
1548     return ERR_UNEXPECTED;
1549
1550   // If the buffer is already in use, a read is already in progress!
1551   DCHECK(pending_buf_ == NULL);
1552
1553   // Store our async IO data.
1554   pending_buf_ = buf;
1555   pending_buf_len_ = buf_len;
1556   pending_callback_ = callback;
1557
1558   if (need_read_data_) {
1559     read_data_ = data_->GetNextRead();
1560     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
1561     // to complete the async IO manually later (via OnReadComplete).
1562     if (read_data_.result == ERR_IO_PENDING) {
1563       // We need to be using async IO in this case.
1564       DCHECK(!callback.is_null());
1565       return ERR_IO_PENDING;
1566     }
1567     need_read_data_ = false;
1568   }
1569
1570   return CompleteRead();
1571 }
1572
1573 int MockUDPClientSocket::Write(IOBuffer* buf, int buf_len,
1574                                const CompletionCallback& callback) {
1575   DCHECK(buf);
1576   DCHECK_GT(buf_len, 0);
1577
1578   if (!connected_)
1579     return ERR_UNEXPECTED;
1580
1581   std::string data(buf->data(), buf_len);
1582   MockWriteResult write_result = data_->OnWrite(data);
1583
1584   if (write_result.mode == ASYNC) {
1585     RunCallbackAsync(callback, write_result.result);
1586     return ERR_IO_PENDING;
1587   }
1588   return write_result.result;
1589 }
1590
1591 int MockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1592   return OK;
1593 }
1594
1595 int MockUDPClientSocket::SetSendBufferSize(int32 size) {
1596   return OK;
1597 }
1598
1599 void MockUDPClientSocket::Close() {
1600   connected_ = false;
1601 }
1602
1603 int MockUDPClientSocket::GetPeerAddress(IPEndPoint* address) const {
1604   *address = peer_addr_;
1605   return OK;
1606 }
1607
1608 int MockUDPClientSocket::GetLocalAddress(IPEndPoint* address) const {
1609   IPAddressNumber ip;
1610   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1611   CHECK(rv);
1612   *address = IPEndPoint(ip, source_port_);
1613   return OK;
1614 }
1615
1616 const BoundNetLog& MockUDPClientSocket::NetLog() const {
1617   return net_log_;
1618 }
1619
1620 int MockUDPClientSocket::Connect(const IPEndPoint& address) {
1621   connected_ = true;
1622   peer_addr_ = address;
1623   return data_->connect_data().result;
1624 }
1625
1626 void MockUDPClientSocket::OnReadComplete(const MockRead& data) {
1627   // There must be a read pending.
1628   DCHECK(pending_buf_);
1629   // You can't complete a read with another ERR_IO_PENDING status code.
1630   DCHECK_NE(ERR_IO_PENDING, data.result);
1631   // Since we've been waiting for data, need_read_data_ should be true.
1632   DCHECK(need_read_data_);
1633
1634   read_data_ = data;
1635   need_read_data_ = false;
1636
1637   // The caller is simulating that this IO completes right now.  Don't
1638   // let CompleteRead() schedule a callback.
1639   read_data_.mode = SYNCHRONOUS;
1640
1641   net::CompletionCallback callback = pending_callback_;
1642   int rv = CompleteRead();
1643   RunCallback(callback, rv);
1644 }
1645
1646 void MockUDPClientSocket::OnConnectComplete(const MockConnect& data) {
1647   NOTIMPLEMENTED();
1648 }
1649
1650 int MockUDPClientSocket::CompleteRead() {
1651   DCHECK(pending_buf_);
1652   DCHECK(pending_buf_len_ > 0);
1653
1654   // Save the pending async IO data and reset our |pending_| state.
1655   scoped_refptr<IOBuffer> buf = pending_buf_;
1656   int buf_len = pending_buf_len_;
1657   CompletionCallback callback = pending_callback_;
1658   pending_buf_ = NULL;
1659   pending_buf_len_ = 0;
1660   pending_callback_.Reset();
1661
1662   int result = read_data_.result;
1663   DCHECK(result != ERR_IO_PENDING);
1664
1665   if (read_data_.data) {
1666     if (read_data_.data_len - read_offset_ > 0) {
1667       result = std::min(buf_len, read_data_.data_len - read_offset_);
1668       memcpy(buf->data(), read_data_.data + read_offset_, result);
1669       read_offset_ += result;
1670       if (read_offset_ == read_data_.data_len) {
1671         need_read_data_ = true;
1672         read_offset_ = 0;
1673       }
1674     } else {
1675       result = 0;  // EOF
1676     }
1677   }
1678
1679   if (read_data_.mode == ASYNC) {
1680     DCHECK(!callback.is_null());
1681     RunCallbackAsync(callback, result);
1682     return ERR_IO_PENDING;
1683   }
1684   return result;
1685 }
1686
1687 void MockUDPClientSocket::RunCallbackAsync(const CompletionCallback& callback,
1688                                            int result) {
1689   base::MessageLoop::current()->PostTask(
1690       FROM_HERE,
1691       base::Bind(&MockUDPClientSocket::RunCallback,
1692                  weak_factory_.GetWeakPtr(),
1693                  callback,
1694                  result));
1695 }
1696
1697 void MockUDPClientSocket::RunCallback(const CompletionCallback& callback,
1698                                       int result) {
1699   if (!callback.is_null())
1700     callback.Run(result);
1701 }
1702
1703 TestSocketRequest::TestSocketRequest(
1704     std::vector<TestSocketRequest*>* request_order, size_t* completion_count)
1705     : request_order_(request_order),
1706       completion_count_(completion_count),
1707       callback_(base::Bind(&TestSocketRequest::OnComplete,
1708                            base::Unretained(this))) {
1709   DCHECK(request_order);
1710   DCHECK(completion_count);
1711 }
1712
1713 TestSocketRequest::~TestSocketRequest() {
1714 }
1715
1716 void TestSocketRequest::OnComplete(int result) {
1717   SetResult(result);
1718   (*completion_count_)++;
1719   request_order_->push_back(this);
1720 }
1721
1722 // static
1723 const int ClientSocketPoolTest::kIndexOutOfBounds = -1;
1724
1725 // static
1726 const int ClientSocketPoolTest::kRequestNotFound = -2;
1727
1728 ClientSocketPoolTest::ClientSocketPoolTest() : completion_count_(0) {}
1729 ClientSocketPoolTest::~ClientSocketPoolTest() {}
1730
1731 int ClientSocketPoolTest::GetOrderOfRequest(size_t index) const {
1732   index--;
1733   if (index >= requests_.size())
1734     return kIndexOutOfBounds;
1735
1736   for (size_t i = 0; i < request_order_.size(); i++)
1737     if (requests_[index] == request_order_[i])
1738       return i + 1;
1739
1740   return kRequestNotFound;
1741 }
1742
1743 bool ClientSocketPoolTest::ReleaseOneConnection(KeepAlive keep_alive) {
1744   ScopedVector<TestSocketRequest>::iterator i;
1745   for (i = requests_.begin(); i != requests_.end(); ++i) {
1746     if ((*i)->handle()->is_initialized()) {
1747       if (keep_alive == NO_KEEP_ALIVE)
1748         (*i)->handle()->socket()->Disconnect();
1749       (*i)->handle()->Reset();
1750       base::RunLoop().RunUntilIdle();
1751       return true;
1752     }
1753   }
1754   return false;
1755 }
1756
1757 void ClientSocketPoolTest::ReleaseAllConnections(KeepAlive keep_alive) {
1758   bool released_one;
1759   do {
1760     released_one = ReleaseOneConnection(keep_alive);
1761   } while (released_one);
1762 }
1763
1764 MockTransportClientSocketPool::MockConnectJob::MockConnectJob(
1765     scoped_ptr<StreamSocket> socket,
1766     ClientSocketHandle* handle,
1767     const CompletionCallback& callback)
1768     : socket_(socket.Pass()),
1769       handle_(handle),
1770       user_callback_(callback) {
1771 }
1772
1773 MockTransportClientSocketPool::MockConnectJob::~MockConnectJob() {}
1774
1775 int MockTransportClientSocketPool::MockConnectJob::Connect() {
1776   int rv = socket_->Connect(base::Bind(&MockConnectJob::OnConnect,
1777                                        base::Unretained(this)));
1778   if (rv == OK) {
1779     user_callback_.Reset();
1780     OnConnect(OK);
1781   }
1782   return rv;
1783 }
1784
1785 bool MockTransportClientSocketPool::MockConnectJob::CancelHandle(
1786     const ClientSocketHandle* handle) {
1787   if (handle != handle_)
1788     return false;
1789   socket_.reset();
1790   handle_ = NULL;
1791   user_callback_.Reset();
1792   return true;
1793 }
1794
1795 void MockTransportClientSocketPool::MockConnectJob::OnConnect(int rv) {
1796   if (!socket_.get())
1797     return;
1798   if (rv == OK) {
1799     handle_->SetSocket(socket_.Pass());
1800
1801     // Needed for socket pool tests that layer other sockets on top of mock
1802     // sockets.
1803     LoadTimingInfo::ConnectTiming connect_timing;
1804     base::TimeTicks now = base::TimeTicks::Now();
1805     connect_timing.dns_start = now;
1806     connect_timing.dns_end = now;
1807     connect_timing.connect_start = now;
1808     connect_timing.connect_end = now;
1809     handle_->set_connect_timing(connect_timing);
1810   } else {
1811     socket_.reset();
1812   }
1813
1814   handle_ = NULL;
1815
1816   if (!user_callback_.is_null()) {
1817     CompletionCallback callback = user_callback_;
1818     user_callback_.Reset();
1819     callback.Run(rv);
1820   }
1821 }
1822
1823 MockTransportClientSocketPool::MockTransportClientSocketPool(
1824     int max_sockets,
1825     int max_sockets_per_group,
1826     ClientSocketPoolHistograms* histograms,
1827     ClientSocketFactory* socket_factory)
1828     : TransportClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1829                                 NULL, NULL, NULL),
1830       client_socket_factory_(socket_factory),
1831       last_request_priority_(DEFAULT_PRIORITY),
1832       release_count_(0),
1833       cancel_count_(0) {
1834 }
1835
1836 MockTransportClientSocketPool::~MockTransportClientSocketPool() {}
1837
1838 int MockTransportClientSocketPool::RequestSocket(
1839     const std::string& group_name, const void* socket_params,
1840     RequestPriority priority, ClientSocketHandle* handle,
1841     const CompletionCallback& callback, const BoundNetLog& net_log) {
1842   last_request_priority_ = priority;
1843   scoped_ptr<StreamSocket> socket =
1844       client_socket_factory_->CreateTransportClientSocket(
1845           AddressList(), net_log.net_log(), net::NetLog::Source());
1846   MockConnectJob* job = new MockConnectJob(socket.Pass(), handle, callback);
1847   job_list_.push_back(job);
1848   handle->set_pool_id(1);
1849   return job->Connect();
1850 }
1851
1852 void MockTransportClientSocketPool::CancelRequest(const std::string& group_name,
1853                                                   ClientSocketHandle* handle) {
1854   std::vector<MockConnectJob*>::iterator i;
1855   for (i = job_list_.begin(); i != job_list_.end(); ++i) {
1856     if ((*i)->CancelHandle(handle)) {
1857       cancel_count_++;
1858       break;
1859     }
1860   }
1861 }
1862
1863 void MockTransportClientSocketPool::ReleaseSocket(
1864     const std::string& group_name,
1865     scoped_ptr<StreamSocket> socket,
1866     int id) {
1867   EXPECT_EQ(1, id);
1868   release_count_++;
1869 }
1870
1871 DeterministicMockClientSocketFactory::DeterministicMockClientSocketFactory() {}
1872
1873 DeterministicMockClientSocketFactory::~DeterministicMockClientSocketFactory() {}
1874
1875 void DeterministicMockClientSocketFactory::AddSocketDataProvider(
1876     DeterministicSocketData* data) {
1877   mock_data_.Add(data);
1878 }
1879
1880 void DeterministicMockClientSocketFactory::AddSSLSocketDataProvider(
1881     SSLSocketDataProvider* data) {
1882   mock_ssl_data_.Add(data);
1883 }
1884
1885 void DeterministicMockClientSocketFactory::ResetNextMockIndexes() {
1886   mock_data_.ResetNextIndex();
1887   mock_ssl_data_.ResetNextIndex();
1888 }
1889
1890 MockSSLClientSocket* DeterministicMockClientSocketFactory::
1891     GetMockSSLClientSocket(size_t index) const {
1892   DCHECK_LT(index, ssl_client_sockets_.size());
1893   return ssl_client_sockets_[index];
1894 }
1895
1896 scoped_ptr<DatagramClientSocket>
1897 DeterministicMockClientSocketFactory::CreateDatagramClientSocket(
1898     DatagramSocket::BindType bind_type,
1899     const RandIntCallback& rand_int_cb,
1900     net::NetLog* net_log,
1901     const NetLog::Source& source) {
1902   DeterministicSocketData* data_provider = mock_data().GetNext();
1903   scoped_ptr<DeterministicMockUDPClientSocket> socket(
1904       new DeterministicMockUDPClientSocket(net_log, data_provider));
1905   data_provider->set_delegate(socket->AsWeakPtr());
1906   udp_client_sockets().push_back(socket.get());
1907   if (bind_type == DatagramSocket::RANDOM_BIND)
1908     socket->set_source_port(rand_int_cb.Run(1025, 65535));
1909   return socket.PassAs<DatagramClientSocket>();
1910 }
1911
1912 scoped_ptr<StreamSocket>
1913 DeterministicMockClientSocketFactory::CreateTransportClientSocket(
1914     const AddressList& addresses,
1915     net::NetLog* net_log,
1916     const net::NetLog::Source& source) {
1917   DeterministicSocketData* data_provider = mock_data().GetNext();
1918   scoped_ptr<DeterministicMockTCPClientSocket> socket(
1919       new DeterministicMockTCPClientSocket(net_log, data_provider));
1920   data_provider->set_delegate(socket->AsWeakPtr());
1921   tcp_client_sockets().push_back(socket.get());
1922   return socket.PassAs<StreamSocket>();
1923 }
1924
1925 scoped_ptr<SSLClientSocket>
1926 DeterministicMockClientSocketFactory::CreateSSLClientSocket(
1927     scoped_ptr<ClientSocketHandle> transport_socket,
1928     const HostPortPair& host_and_port,
1929     const SSLConfig& ssl_config,
1930     const SSLClientSocketContext& context) {
1931   scoped_ptr<MockSSLClientSocket> socket(
1932       new MockSSLClientSocket(transport_socket.Pass(),
1933                               host_and_port, ssl_config,
1934                               mock_ssl_data_.GetNext()));
1935   ssl_client_sockets_.push_back(socket.get());
1936   return socket.PassAs<SSLClientSocket>();
1937 }
1938
1939 void DeterministicMockClientSocketFactory::ClearSSLSessionCache() {
1940 }
1941
1942 MockSOCKSClientSocketPool::MockSOCKSClientSocketPool(
1943     int max_sockets,
1944     int max_sockets_per_group,
1945     ClientSocketPoolHistograms* histograms,
1946     TransportClientSocketPool* transport_pool)
1947     : SOCKSClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1948                             NULL, transport_pool, NULL),
1949       transport_pool_(transport_pool) {
1950 }
1951
1952 MockSOCKSClientSocketPool::~MockSOCKSClientSocketPool() {}
1953
1954 int MockSOCKSClientSocketPool::RequestSocket(
1955     const std::string& group_name, const void* socket_params,
1956     RequestPriority priority, ClientSocketHandle* handle,
1957     const CompletionCallback& callback, const BoundNetLog& net_log) {
1958   return transport_pool_->RequestSocket(
1959       group_name, socket_params, priority, handle, callback, net_log);
1960 }
1961
1962 void MockSOCKSClientSocketPool::CancelRequest(
1963     const std::string& group_name,
1964     ClientSocketHandle* handle) {
1965   return transport_pool_->CancelRequest(group_name, handle);
1966 }
1967
1968 void MockSOCKSClientSocketPool::ReleaseSocket(const std::string& group_name,
1969                                               scoped_ptr<StreamSocket> socket,
1970                                               int id) {
1971   return transport_pool_->ReleaseSocket(group_name, socket.Pass(), id);
1972 }
1973
1974 const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
1975 const int kSOCKS5GreetRequestLength = arraysize(kSOCKS5GreetRequest);
1976
1977 const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
1978 const int kSOCKS5GreetResponseLength = arraysize(kSOCKS5GreetResponse);
1979
1980 const char kSOCKS5OkRequest[] =
1981     { 0x05, 0x01, 0x00, 0x03, 0x04, 'h', 'o', 's', 't', 0x00, 0x50 };
1982 const int kSOCKS5OkRequestLength = arraysize(kSOCKS5OkRequest);
1983
1984 const char kSOCKS5OkResponse[] =
1985     { 0x05, 0x00, 0x00, 0x01, 127, 0, 0, 1, 0x00, 0x50 };
1986 const int kSOCKS5OkResponseLength = arraysize(kSOCKS5OkResponse);
1987
1988 }  // namespace net