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 std::string MockClientSocket::GetSessionCacheKey() const {
 768   NOTIMPLEMENTED();
 769   return std::string();
 770 }
 771
 772 bool MockClientSocket::InSessionCache() const {
 773   NOTIMPLEMENTED();
 774   return false;
 775 }
 776
 777 void MockClientSocket::SetHandshakeCompletionCallback(const base::Closure& cb) {
 778   NOTIMPLEMENTED();
 779 }
 780
 781 void MockClientSocket::GetSSLCertRequestInfo(
 782   SSLCertRequestInfo* cert_request_info) {
 783 }
 784
 785 int MockClientSocket::ExportKeyingMaterial(const base::StringPiece& label,
 786                                            bool has_context,
 787                                            const base::StringPiece& context,
 788                                            unsigned char* out,
 789                                            unsigned int outlen) {
 790   memset(out, 'A', outlen);
 791   return OK;
 792 }
 793
 794 int MockClientSocket::GetTLSUniqueChannelBinding(std::string* out) {
 795   out->assign(MockClientSocket::kTlsUnique);
 796   return OK;
 797 }
 798
 799 ChannelIDService* MockClientSocket::GetChannelIDService() const {
 800   NOTREACHED();
 801   return NULL;
 802 }
 803
 804 SSLClientSocket::NextProtoStatus
 805 MockClientSocket::GetNextProto(std::string* proto) {
 806   proto->clear();
 807   return SSLClientSocket::kNextProtoUnsupported;
 808 }
 809
 810 scoped_refptr<X509Certificate>
 811 MockClientSocket::GetUnverifiedServerCertificateChain() const {
 812   NOTREACHED();
 813   return NULL;
 814 }
 815
 816 MockClientSocket::~MockClientSocket() {}
 817
 818 void MockClientSocket::RunCallbackAsync(const CompletionCallback& callback,
 819                                         int result) {
 820   base::MessageLoop::current()->PostTask(
 821       FROM_HERE,
 822       base::Bind(&MockClientSocket::RunCallback,
 823                  weak_factory_.GetWeakPtr(),
 824                  callback,
 825                  result));
 826 }
 827
 828 void MockClientSocket::RunCallback(const net::CompletionCallback& callback,
 829                                    int result) {
 830   if (!callback.is_null())
 831     callback.Run(result);
 832 }
 833
 834 MockTCPClientSocket::MockTCPClientSocket(const AddressList& addresses,
 835                                          net::NetLog* net_log,
 836                                          SocketDataProvider* data)
 837     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
 838       addresses_(addresses),
 839       data_(data),
 840       read_offset_(0),
 841       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
 842       need_read_data_(true),
 843       peer_closed_connection_(false),
 844       pending_buf_(NULL),
 845       pending_buf_len_(0),
 846       was_used_to_convey_data_(false) {
 847   DCHECK(data_);
 848   peer_addr_ = data->connect_data().peer_addr;
 849   data_->Reset();
 850 }
 851
 852 MockTCPClientSocket::~MockTCPClientSocket() {}
 853
 854 int MockTCPClientSocket::Read(IOBuffer* buf, int buf_len,
 855                               const CompletionCallback& callback) {
 856   if (!connected_)
 857     return ERR_UNEXPECTED;
 858
 859   // If the buffer is already in use, a read is already in progress!
 860   DCHECK(pending_buf_.get() == NULL);
 861
 862   // Store our async IO data.
 863   pending_buf_ = buf;
 864   pending_buf_len_ = buf_len;
 865   pending_callback_ = callback;
 866
 867   if (need_read_data_) {
 868     read_data_ = data_->GetNextRead();
 869     if (read_data_.result == ERR_CONNECTION_CLOSED) {
 870       // This MockRead is just a marker to instruct us to set
 871       // peer_closed_connection_.
 872       peer_closed_connection_ = true;
 873     }
 874     if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
 875       // This MockRead is just a marker to instruct us to set
 876       // peer_closed_connection_.  Skip it and get the next one.
 877       read_data_ = data_->GetNextRead();
 878       peer_closed_connection_ = true;
 879     }
 880     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
 881     // to complete the async IO manually later (via OnReadComplete).
 882     if (read_data_.result == ERR_IO_PENDING) {
 883       // We need to be using async IO in this case.
 884       DCHECK(!callback.is_null());
 885       return ERR_IO_PENDING;
 886     }
 887     need_read_data_ = false;
 888   }
 889
 890   return CompleteRead();
 891 }
 892
 893 int MockTCPClientSocket::Write(IOBuffer* buf, int buf_len,
 894                                const CompletionCallback& callback) {
 895   DCHECK(buf);
 896   DCHECK_GT(buf_len, 0);
 897
 898   if (!connected_)
 899     return ERR_UNEXPECTED;
 900
 901   std::string data(buf->data(), buf_len);
 902   MockWriteResult write_result = data_->OnWrite(data);
 903
 904   was_used_to_convey_data_ = true;
 905
 906   if (write_result.mode == ASYNC) {
 907     RunCallbackAsync(callback, write_result.result);
 908     return ERR_IO_PENDING;
 909   }
 910
 911   return write_result.result;
 912 }
 913
 914 int MockTCPClientSocket::Connect(const CompletionCallback& callback) {
 915   if (connected_)
 916     return OK;
 917   connected_ = true;
 918   peer_closed_connection_ = false;
 919   if (data_->connect_data().mode == ASYNC) {
 920     if (data_->connect_data().result == ERR_IO_PENDING)
 921       pending_callback_ = callback;
 922     else
 923       RunCallbackAsync(callback, data_->connect_data().result);
 924     return ERR_IO_PENDING;
 925   }
 926   return data_->connect_data().result;
 927 }
 928
 929 void MockTCPClientSocket::Disconnect() {
 930   MockClientSocket::Disconnect();
 931   pending_callback_.Reset();
 932 }
 933
 934 bool MockTCPClientSocket::IsConnected() const {
 935   return connected_ && !peer_closed_connection_;
 936 }
 937
 938 bool MockTCPClientSocket::IsConnectedAndIdle() const {
 939   return IsConnected();
 940 }
 941
 942 int MockTCPClientSocket::GetPeerAddress(IPEndPoint* address) const {
 943   if (addresses_.empty())
 944     return MockClientSocket::GetPeerAddress(address);
 945
 946   *address = addresses_[0];
 947   return OK;
 948 }
 949
 950 bool MockTCPClientSocket::WasEverUsed() const {
 951   return was_used_to_convey_data_;
 952 }
 953
 954 bool MockTCPClientSocket::UsingTCPFastOpen() const {
 955   return false;
 956 }
 957
 958 bool MockTCPClientSocket::WasNpnNegotiated() const {
 959   return false;
 960 }
 961
 962 bool MockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
 963   return false;
 964 }
 965
 966 void MockTCPClientSocket::OnReadComplete(const MockRead& data) {
 967   // There must be a read pending.
 968   DCHECK(pending_buf_.get());
 969   // You can't complete a read with another ERR_IO_PENDING status code.
 970   DCHECK_NE(ERR_IO_PENDING, data.result);
 971   // Since we've been waiting for data, need_read_data_ should be true.
 972   DCHECK(need_read_data_);
 973
 974   read_data_ = data;
 975   need_read_data_ = false;
 976
 977   // The caller is simulating that this IO completes right now.  Don't
 978   // let CompleteRead() schedule a callback.
 979   read_data_.mode = SYNCHRONOUS;
 980
 981   CompletionCallback callback = pending_callback_;
 982   int rv = CompleteRead();
 983   RunCallback(callback, rv);
 984 }
 985
 986 void MockTCPClientSocket::OnConnectComplete(const MockConnect& data) {
 987   CompletionCallback callback = pending_callback_;
 988   RunCallback(callback, data.result);
 989 }
 990
 991 int MockTCPClientSocket::CompleteRead() {
 992   DCHECK(pending_buf_.get());
 993   DCHECK(pending_buf_len_ > 0);
 994
 995   was_used_to_convey_data_ = true;
 996
 997   // Save the pending async IO data and reset our |pending_| state.
 998   scoped_refptr<IOBuffer> buf = pending_buf_;
 999   int buf_len = pending_buf_len_;
1000   CompletionCallback callback = pending_callback_;
1001   pending_buf_ = NULL;
1002   pending_buf_len_ = 0;
1003   pending_callback_.Reset();
1004
1005   int result = read_data_.result;
1006   DCHECK(result != ERR_IO_PENDING);
1007
1008   if (read_data_.data) {
1009     if (read_data_.data_len - read_offset_ > 0) {
1010       result = std::min(buf_len, read_data_.data_len - read_offset_);
1011       memcpy(buf->data(), read_data_.data + read_offset_, result);
1012       read_offset_ += result;
1013       if (read_offset_ == read_data_.data_len) {
1014         need_read_data_ = true;
1015         read_offset_ = 0;
1016       }
1017     } else {
1018       result = 0;  // EOF
1019     }
1020   }
1021
1022   if (read_data_.mode == ASYNC) {
1023     DCHECK(!callback.is_null());
1024     RunCallbackAsync(callback, result);
1025     return ERR_IO_PENDING;
1026   }
1027   return result;
1028 }
1029
1030 DeterministicSocketHelper::DeterministicSocketHelper(
1031     net::NetLog* net_log,
1032     DeterministicSocketData* data)
1033     : write_pending_(false),
1034       write_result_(0),
1035       read_data_(),
1036       read_buf_(NULL),
1037       read_buf_len_(0),
1038       read_pending_(false),
1039       data_(data),
1040       was_used_to_convey_data_(false),
1041       peer_closed_connection_(false),
1042       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)) {
1043 }
1044
1045 DeterministicSocketHelper::~DeterministicSocketHelper() {}
1046
1047 void DeterministicSocketHelper::CompleteWrite() {
1048   was_used_to_convey_data_ = true;
1049   write_pending_ = false;
1050   write_callback_.Run(write_result_);
1051 }
1052
1053 int DeterministicSocketHelper::CompleteRead() {
1054   DCHECK_GT(read_buf_len_, 0);
1055   DCHECK_LE(read_data_.data_len, read_buf_len_);
1056   DCHECK(read_buf_);
1057
1058   was_used_to_convey_data_ = true;
1059
1060   if (read_data_.result == ERR_IO_PENDING)
1061     read_data_ = data_->GetNextRead();
1062   DCHECK_NE(ERR_IO_PENDING, read_data_.result);
1063   // If read_data_.mode is ASYNC, we do not need to wait, since this is already
1064   // the callback. Therefore we don't even bother to check it.
1065   int result = read_data_.result;
1066
1067   if (read_data_.data_len > 0) {
1068     DCHECK(read_data_.data);
1069     result = std::min(read_buf_len_, read_data_.data_len);
1070     memcpy(read_buf_->data(), read_data_.data, result);
1071   }
1072
1073   if (read_pending_) {
1074     read_pending_ = false;
1075     read_callback_.Run(result);
1076   }
1077
1078   return result;
1079 }
1080
1081 int DeterministicSocketHelper::Write(
1082     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1083   DCHECK(buf);
1084   DCHECK_GT(buf_len, 0);
1085
1086   std::string data(buf->data(), buf_len);
1087   MockWriteResult write_result = data_->OnWrite(data);
1088
1089   if (write_result.mode == ASYNC) {
1090     write_callback_ = callback;
1091     write_result_ = write_result.result;
1092     DCHECK(!write_callback_.is_null());
1093     write_pending_ = true;
1094     return ERR_IO_PENDING;
1095   }
1096
1097   was_used_to_convey_data_ = true;
1098   write_pending_ = false;
1099   return write_result.result;
1100 }
1101
1102 int DeterministicSocketHelper::Read(
1103     IOBuffer* buf, int buf_len, const CompletionCallback& callback) {
1104
1105   read_data_ = data_->GetNextRead();
1106   // The buffer should always be big enough to contain all the MockRead data. To
1107   // use small buffers, split the data into multiple MockReads.
1108   DCHECK_LE(read_data_.data_len, buf_len);
1109
1110   if (read_data_.result == ERR_CONNECTION_CLOSED) {
1111     // This MockRead is just a marker to instruct us to set
1112     // peer_closed_connection_.
1113     peer_closed_connection_ = true;
1114   }
1115   if (read_data_.result == ERR_TEST_PEER_CLOSE_AFTER_NEXT_MOCK_READ) {
1116     // This MockRead is just a marker to instruct us to set
1117     // peer_closed_connection_.  Skip it and get the next one.
1118     read_data_ = data_->GetNextRead();
1119     peer_closed_connection_ = true;
1120   }
1121
1122   read_buf_ = buf;
1123   read_buf_len_ = buf_len;
1124   read_callback_ = callback;
1125
1126   if (read_data_.mode == ASYNC || (read_data_.result == ERR_IO_PENDING)) {
1127     read_pending_ = true;
1128     DCHECK(!read_callback_.is_null());
1129     return ERR_IO_PENDING;
1130   }
1131
1132   was_used_to_convey_data_ = true;
1133   return CompleteRead();
1134 }
1135
1136 DeterministicMockUDPClientSocket::DeterministicMockUDPClientSocket(
1137     net::NetLog* net_log,
1138     DeterministicSocketData* data)
1139     : connected_(false),
1140       helper_(net_log, data),
1141       source_port_(123) {
1142 }
1143
1144 DeterministicMockUDPClientSocket::~DeterministicMockUDPClientSocket() {}
1145
1146 bool DeterministicMockUDPClientSocket::WritePending() const {
1147   return helper_.write_pending();
1148 }
1149
1150 bool DeterministicMockUDPClientSocket::ReadPending() const {
1151   return helper_.read_pending();
1152 }
1153
1154 void DeterministicMockUDPClientSocket::CompleteWrite() {
1155   helper_.CompleteWrite();
1156 }
1157
1158 int DeterministicMockUDPClientSocket::CompleteRead() {
1159   return helper_.CompleteRead();
1160 }
1161
1162 int DeterministicMockUDPClientSocket::Connect(const IPEndPoint& address) {
1163   if (connected_)
1164     return OK;
1165   connected_ = true;
1166   peer_address_ = address;
1167   return helper_.data()->connect_data().result;
1168 };
1169
1170 int DeterministicMockUDPClientSocket::Write(
1171     IOBuffer* buf,
1172     int buf_len,
1173     const CompletionCallback& callback) {
1174   if (!connected_)
1175     return ERR_UNEXPECTED;
1176
1177   return helper_.Write(buf, buf_len, callback);
1178 }
1179
1180 int DeterministicMockUDPClientSocket::Read(
1181     IOBuffer* buf,
1182     int buf_len,
1183     const CompletionCallback& callback) {
1184   if (!connected_)
1185     return ERR_UNEXPECTED;
1186
1187   return helper_.Read(buf, buf_len, callback);
1188 }
1189
1190 int DeterministicMockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1191   return OK;
1192 }
1193
1194 int DeterministicMockUDPClientSocket::SetSendBufferSize(int32 size) {
1195   return OK;
1196 }
1197
1198 void DeterministicMockUDPClientSocket::Close() {
1199   connected_ = false;
1200 }
1201
1202 int DeterministicMockUDPClientSocket::GetPeerAddress(
1203     IPEndPoint* address) const {
1204   *address = peer_address_;
1205   return OK;
1206 }
1207
1208 int DeterministicMockUDPClientSocket::GetLocalAddress(
1209     IPEndPoint* address) const {
1210   IPAddressNumber ip;
1211   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1212   CHECK(rv);
1213   *address = IPEndPoint(ip, source_port_);
1214   return OK;
1215 }
1216
1217 const BoundNetLog& DeterministicMockUDPClientSocket::NetLog() const {
1218   return helper_.net_log();
1219 }
1220
1221 void DeterministicMockUDPClientSocket::OnReadComplete(const MockRead& data) {}
1222
1223 void DeterministicMockUDPClientSocket::OnConnectComplete(
1224     const MockConnect& data) {
1225   NOTIMPLEMENTED();
1226 }
1227
1228 DeterministicMockTCPClientSocket::DeterministicMockTCPClientSocket(
1229     net::NetLog* net_log,
1230     DeterministicSocketData* data)
1231     : MockClientSocket(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1232       helper_(net_log, data) {
1233   peer_addr_ = data->connect_data().peer_addr;
1234 }
1235
1236 DeterministicMockTCPClientSocket::~DeterministicMockTCPClientSocket() {}
1237
1238 bool DeterministicMockTCPClientSocket::WritePending() const {
1239   return helper_.write_pending();
1240 }
1241
1242 bool DeterministicMockTCPClientSocket::ReadPending() const {
1243   return helper_.read_pending();
1244 }
1245
1246 void DeterministicMockTCPClientSocket::CompleteWrite() {
1247   helper_.CompleteWrite();
1248 }
1249
1250 int DeterministicMockTCPClientSocket::CompleteRead() {
1251   return helper_.CompleteRead();
1252 }
1253
1254 int DeterministicMockTCPClientSocket::Write(
1255     IOBuffer* buf,
1256     int buf_len,
1257     const CompletionCallback& callback) {
1258   if (!connected_)
1259     return ERR_UNEXPECTED;
1260
1261   return helper_.Write(buf, buf_len, callback);
1262 }
1263
1264 int DeterministicMockTCPClientSocket::Read(
1265     IOBuffer* buf,
1266     int buf_len,
1267     const CompletionCallback& callback) {
1268   if (!connected_)
1269     return ERR_UNEXPECTED;
1270
1271   return helper_.Read(buf, buf_len, callback);
1272 }
1273
1274 // TODO(erikchen): Support connect sequencing.
1275 int DeterministicMockTCPClientSocket::Connect(
1276     const CompletionCallback& callback) {
1277   if (connected_)
1278     return OK;
1279   connected_ = true;
1280   if (helper_.data()->connect_data().mode == ASYNC) {
1281     RunCallbackAsync(callback, helper_.data()->connect_data().result);
1282     return ERR_IO_PENDING;
1283   }
1284   return helper_.data()->connect_data().result;
1285 }
1286
1287 void DeterministicMockTCPClientSocket::Disconnect() {
1288   MockClientSocket::Disconnect();
1289 }
1290
1291 bool DeterministicMockTCPClientSocket::IsConnected() const {
1292   return connected_ && !helper_.peer_closed_connection();
1293 }
1294
1295 bool DeterministicMockTCPClientSocket::IsConnectedAndIdle() const {
1296   return IsConnected();
1297 }
1298
1299 bool DeterministicMockTCPClientSocket::WasEverUsed() const {
1300   return helper_.was_used_to_convey_data();
1301 }
1302
1303 bool DeterministicMockTCPClientSocket::UsingTCPFastOpen() const {
1304   return false;
1305 }
1306
1307 bool DeterministicMockTCPClientSocket::WasNpnNegotiated() const {
1308   return false;
1309 }
1310
1311 bool DeterministicMockTCPClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1312   return false;
1313 }
1314
1315 void DeterministicMockTCPClientSocket::OnReadComplete(const MockRead& data) {}
1316
1317 void DeterministicMockTCPClientSocket::OnConnectComplete(
1318     const MockConnect& data) {}
1319
1320 MockSSLClientSocket::MockSSLClientSocket(
1321     scoped_ptr<ClientSocketHandle> transport_socket,
1322     const HostPortPair& host_port_pair,
1323     const SSLConfig& ssl_config,
1324     SSLSocketDataProvider* data)
1325     : MockClientSocket(
1326           // Have to use the right BoundNetLog for LoadTimingInfo regression
1327           // tests.
1328           transport_socket->socket()->NetLog()),
1329       transport_(transport_socket.Pass()),
1330       host_port_pair_(host_port_pair),
1331       data_(data),
1332       is_npn_state_set_(false),
1333       new_npn_value_(false),
1334       is_protocol_negotiated_set_(false),
1335       protocol_negotiated_(kProtoUnknown),
1336       next_connect_state_(STATE_NONE),
1337       reached_connect_(false),
1338       weak_factory_(this) {
1339   DCHECK(data_);
1340   peer_addr_ = data->connect.peer_addr;
1341 }
1342
1343 MockSSLClientSocket::~MockSSLClientSocket() {
1344   Disconnect();
1345 }
1346
1347 int MockSSLClientSocket::Read(IOBuffer* buf, int buf_len,
1348                               const CompletionCallback& callback) {
1349   return transport_->socket()->Read(buf, buf_len, callback);
1350 }
1351
1352 int MockSSLClientSocket::Write(IOBuffer* buf, int buf_len,
1353                                const CompletionCallback& callback) {
1354   return transport_->socket()->Write(buf, buf_len, callback);
1355 }
1356
1357 int MockSSLClientSocket::Connect(const CompletionCallback& callback) {
1358   next_connect_state_ = STATE_SSL_CONNECT;
1359   reached_connect_ = true;
1360   int rv = DoConnectLoop(OK);
1361   if (rv == ERR_IO_PENDING)
1362     connect_callback_ = callback;
1363   return rv;
1364 }
1365
1366 void MockSSLClientSocket::Disconnect() {
1367   weak_factory_.InvalidateWeakPtrs();
1368   MockClientSocket::Disconnect();
1369   if (transport_->socket() != NULL)
1370     transport_->socket()->Disconnect();
1371 }
1372
1373 bool MockSSLClientSocket::IsConnected() const {
1374   return transport_->socket()->IsConnected() && connected_;
1375 }
1376
1377 bool MockSSLClientSocket::WasEverUsed() const {
1378   return transport_->socket()->WasEverUsed();
1379 }
1380
1381 bool MockSSLClientSocket::UsingTCPFastOpen() const {
1382   return transport_->socket()->UsingTCPFastOpen();
1383 }
1384
1385 int MockSSLClientSocket::GetPeerAddress(IPEndPoint* address) const {
1386   return transport_->socket()->GetPeerAddress(address);
1387 }
1388
1389 bool MockSSLClientSocket::GetSSLInfo(SSLInfo* ssl_info) {
1390   ssl_info->Reset();
1391   ssl_info->cert = data_->cert;
1392   ssl_info->client_cert_sent = data_->client_cert_sent;
1393   ssl_info->channel_id_sent = data_->channel_id_sent;
1394   ssl_info->connection_status = data_->connection_status;
1395   return true;
1396 }
1397
1398 std::string MockSSLClientSocket::GetSessionCacheKey() const {
1399   // For the purposes of these tests, |host_and_port| will serve as the
1400   // cache key.
1401   return host_port_pair_.ToString();
1402 }
1403
1404 bool MockSSLClientSocket::InSessionCache() const {
1405   return data_->is_in_session_cache;
1406 }
1407
1408 void MockSSLClientSocket::SetHandshakeCompletionCallback(
1409     const base::Closure& cb) {
1410   handshake_completion_callback_ = cb;
1411 }
1412
1413 void MockSSLClientSocket::GetSSLCertRequestInfo(
1414     SSLCertRequestInfo* cert_request_info) {
1415   DCHECK(cert_request_info);
1416   if (data_->cert_request_info) {
1417     cert_request_info->host_and_port =
1418         data_->cert_request_info->host_and_port;
1419     cert_request_info->client_certs = data_->cert_request_info->client_certs;
1420   } else {
1421     cert_request_info->Reset();
1422   }
1423 }
1424
1425 SSLClientSocket::NextProtoStatus MockSSLClientSocket::GetNextProto(
1426     std::string* proto) {
1427   *proto = data_->next_proto;
1428   return data_->next_proto_status;
1429 }
1430
1431 bool MockSSLClientSocket::set_was_npn_negotiated(bool negotiated) {
1432   is_npn_state_set_ = true;
1433   return new_npn_value_ = negotiated;
1434 }
1435
1436 bool MockSSLClientSocket::WasNpnNegotiated() const {
1437   if (is_npn_state_set_)
1438     return new_npn_value_;
1439   return data_->was_npn_negotiated;
1440 }
1441
1442 NextProto MockSSLClientSocket::GetNegotiatedProtocol() const {
1443   if (is_protocol_negotiated_set_)
1444     return protocol_negotiated_;
1445   return data_->protocol_negotiated;
1446 }
1447
1448 void MockSSLClientSocket::set_protocol_negotiated(
1449     NextProto protocol_negotiated) {
1450   is_protocol_negotiated_set_ = true;
1451   protocol_negotiated_ = protocol_negotiated;
1452 }
1453
1454 bool MockSSLClientSocket::WasChannelIDSent() const {
1455   return data_->channel_id_sent;
1456 }
1457
1458 void MockSSLClientSocket::set_channel_id_sent(bool channel_id_sent) {
1459   data_->channel_id_sent = channel_id_sent;
1460 }
1461
1462 ChannelIDService* MockSSLClientSocket::GetChannelIDService() const {
1463   return data_->channel_id_service;
1464 }
1465
1466 void MockSSLClientSocket::OnReadComplete(const MockRead& data) {
1467   NOTIMPLEMENTED();
1468 }
1469
1470 void MockSSLClientSocket::OnConnectComplete(const MockConnect& data) {
1471   NOTIMPLEMENTED();
1472 }
1473
1474 void MockSSLClientSocket::RestartPausedConnect() {
1475   DCHECK(data_->should_pause_on_connect);
1476   DCHECK_EQ(next_connect_state_, STATE_SSL_CONNECT_COMPLETE);
1477   OnIOComplete(data_->connect.result);
1478 }
1479
1480 void MockSSLClientSocket::OnIOComplete(int result) {
1481   int rv = DoConnectLoop(result);
1482   if (rv != ERR_IO_PENDING)
1483     base::ResetAndReturn(&connect_callback_).Run(rv);
1484 }
1485
1486 int MockSSLClientSocket::DoConnectLoop(int result) {
1487   DCHECK_NE(next_connect_state_, STATE_NONE);
1488
1489   int rv = result;
1490   do {
1491     ConnectState state = next_connect_state_;
1492     next_connect_state_ = STATE_NONE;
1493     switch (state) {
1494       case STATE_SSL_CONNECT:
1495         rv = DoSSLConnect();
1496         break;
1497       case STATE_SSL_CONNECT_COMPLETE:
1498         rv = DoSSLConnectComplete(rv);
1499         break;
1500       default:
1501         NOTREACHED() << "bad state";
1502         rv = ERR_UNEXPECTED;
1503         break;
1504     }
1505   } while (rv != ERR_IO_PENDING && next_connect_state_ != STATE_NONE);
1506
1507   return rv;
1508 }
1509
1510 int MockSSLClientSocket::DoSSLConnect() {
1511   next_connect_state_ = STATE_SSL_CONNECT_COMPLETE;
1512
1513   if (data_->should_pause_on_connect)
1514     return ERR_IO_PENDING;
1515
1516   if (data_->connect.mode == ASYNC) {
1517     base::MessageLoop::current()->PostTask(
1518         FROM_HERE,
1519         base::Bind(&MockSSLClientSocket::OnIOComplete,
1520                    weak_factory_.GetWeakPtr(),
1521                    data_->connect.result));
1522     return ERR_IO_PENDING;
1523   }
1524
1525   return data_->connect.result;
1526 }
1527
1528 int MockSSLClientSocket::DoSSLConnectComplete(int result) {
1529   if (result == OK)
1530     connected_ = true;
1531
1532   if (!handshake_completion_callback_.is_null())
1533     base::ResetAndReturn(&handshake_completion_callback_).Run();
1534   return result;
1535 }
1536
1537 MockUDPClientSocket::MockUDPClientSocket(SocketDataProvider* data,
1538                                          net::NetLog* net_log)
1539     : connected_(false),
1540       data_(data),
1541       read_offset_(0),
1542       read_data_(SYNCHRONOUS, ERR_UNEXPECTED),
1543       need_read_data_(true),
1544       source_port_(123),
1545       pending_buf_(NULL),
1546       pending_buf_len_(0),
1547       net_log_(BoundNetLog::Make(net_log, net::NetLog::SOURCE_NONE)),
1548       weak_factory_(this) {
1549   DCHECK(data_);
1550   data_->Reset();
1551   peer_addr_ = data->connect_data().peer_addr;
1552 }
1553
1554 MockUDPClientSocket::~MockUDPClientSocket() {}
1555
1556 int MockUDPClientSocket::Read(IOBuffer* buf,
1557                               int buf_len,
1558                               const CompletionCallback& callback) {
1559   if (!connected_)
1560     return ERR_UNEXPECTED;
1561
1562   // If the buffer is already in use, a read is already in progress!
1563   DCHECK(pending_buf_.get() == NULL);
1564
1565   // Store our async IO data.
1566   pending_buf_ = buf;
1567   pending_buf_len_ = buf_len;
1568   pending_callback_ = callback;
1569
1570   if (need_read_data_) {
1571     read_data_ = data_->GetNextRead();
1572     // ERR_IO_PENDING means that the SocketDataProvider is taking responsibility
1573     // to complete the async IO manually later (via OnReadComplete).
1574     if (read_data_.result == ERR_IO_PENDING) {
1575       // We need to be using async IO in this case.
1576       DCHECK(!callback.is_null());
1577       return ERR_IO_PENDING;
1578     }
1579     need_read_data_ = false;
1580   }
1581
1582   return CompleteRead();
1583 }
1584
1585 int MockUDPClientSocket::Write(IOBuffer* buf, int buf_len,
1586                                const CompletionCallback& callback) {
1587   DCHECK(buf);
1588   DCHECK_GT(buf_len, 0);
1589
1590   if (!connected_)
1591     return ERR_UNEXPECTED;
1592
1593   std::string data(buf->data(), buf_len);
1594   MockWriteResult write_result = data_->OnWrite(data);
1595
1596   if (write_result.mode == ASYNC) {
1597     RunCallbackAsync(callback, write_result.result);
1598     return ERR_IO_PENDING;
1599   }
1600   return write_result.result;
1601 }
1602
1603 int MockUDPClientSocket::SetReceiveBufferSize(int32 size) {
1604   return OK;
1605 }
1606
1607 int MockUDPClientSocket::SetSendBufferSize(int32 size) {
1608   return OK;
1609 }
1610
1611 void MockUDPClientSocket::Close() {
1612   connected_ = false;
1613 }
1614
1615 int MockUDPClientSocket::GetPeerAddress(IPEndPoint* address) const {
1616   *address = peer_addr_;
1617   return OK;
1618 }
1619
1620 int MockUDPClientSocket::GetLocalAddress(IPEndPoint* address) const {
1621   IPAddressNumber ip;
1622   bool rv = ParseIPLiteralToNumber("192.0.2.33", &ip);
1623   CHECK(rv);
1624   *address = IPEndPoint(ip, source_port_);
1625   return OK;
1626 }
1627
1628 const BoundNetLog& MockUDPClientSocket::NetLog() const {
1629   return net_log_;
1630 }
1631
1632 int MockUDPClientSocket::Connect(const IPEndPoint& address) {
1633   connected_ = true;
1634   peer_addr_ = address;
1635   return data_->connect_data().result;
1636 }
1637
1638 void MockUDPClientSocket::OnReadComplete(const MockRead& data) {
1639   // There must be a read pending.
1640   DCHECK(pending_buf_.get());
1641   // You can't complete a read with another ERR_IO_PENDING status code.
1642   DCHECK_NE(ERR_IO_PENDING, data.result);
1643   // Since we've been waiting for data, need_read_data_ should be true.
1644   DCHECK(need_read_data_);
1645
1646   read_data_ = data;
1647   need_read_data_ = false;
1648
1649   // The caller is simulating that this IO completes right now.  Don't
1650   // let CompleteRead() schedule a callback.
1651   read_data_.mode = SYNCHRONOUS;
1652
1653   net::CompletionCallback callback = pending_callback_;
1654   int rv = CompleteRead();
1655   RunCallback(callback, rv);
1656 }
1657
1658 void MockUDPClientSocket::OnConnectComplete(const MockConnect& data) {
1659   NOTIMPLEMENTED();
1660 }
1661
1662 int MockUDPClientSocket::CompleteRead() {
1663   DCHECK(pending_buf_.get());
1664   DCHECK(pending_buf_len_ > 0);
1665
1666   // Save the pending async IO data and reset our |pending_| state.
1667   scoped_refptr<IOBuffer> buf = pending_buf_;
1668   int buf_len = pending_buf_len_;
1669   CompletionCallback callback = pending_callback_;
1670   pending_buf_ = NULL;
1671   pending_buf_len_ = 0;
1672   pending_callback_.Reset();
1673
1674   int result = read_data_.result;
1675   DCHECK(result != ERR_IO_PENDING);
1676
1677   if (read_data_.data) {
1678     if (read_data_.data_len - read_offset_ > 0) {
1679       result = std::min(buf_len, read_data_.data_len - read_offset_);
1680       memcpy(buf->data(), read_data_.data + read_offset_, result);
1681       read_offset_ += result;
1682       if (read_offset_ == read_data_.data_len) {
1683         need_read_data_ = true;
1684         read_offset_ = 0;
1685       }
1686     } else {
1687       result = 0;  // EOF
1688     }
1689   }
1690
1691   if (read_data_.mode == ASYNC) {
1692     DCHECK(!callback.is_null());
1693     RunCallbackAsync(callback, result);
1694     return ERR_IO_PENDING;
1695   }
1696   return result;
1697 }
1698
1699 void MockUDPClientSocket::RunCallbackAsync(const CompletionCallback& callback,
1700                                            int result) {
1701   base::MessageLoop::current()->PostTask(
1702       FROM_HERE,
1703       base::Bind(&MockUDPClientSocket::RunCallback,
1704                  weak_factory_.GetWeakPtr(),
1705                  callback,
1706                  result));
1707 }
1708
1709 void MockUDPClientSocket::RunCallback(const CompletionCallback& callback,
1710                                       int result) {
1711   if (!callback.is_null())
1712     callback.Run(result);
1713 }
1714
1715 TestSocketRequest::TestSocketRequest(
1716     std::vector<TestSocketRequest*>* request_order, size_t* completion_count)
1717     : request_order_(request_order),
1718       completion_count_(completion_count),
1719       callback_(base::Bind(&TestSocketRequest::OnComplete,
1720                            base::Unretained(this))) {
1721   DCHECK(request_order);
1722   DCHECK(completion_count);
1723 }
1724
1725 TestSocketRequest::~TestSocketRequest() {
1726 }
1727
1728 void TestSocketRequest::OnComplete(int result) {
1729   SetResult(result);
1730   (*completion_count_)++;
1731   request_order_->push_back(this);
1732 }
1733
1734 // static
1735 const int ClientSocketPoolTest::kIndexOutOfBounds = -1;
1736
1737 // static
1738 const int ClientSocketPoolTest::kRequestNotFound = -2;
1739
1740 ClientSocketPoolTest::ClientSocketPoolTest() : completion_count_(0) {}
1741 ClientSocketPoolTest::~ClientSocketPoolTest() {}
1742
1743 int ClientSocketPoolTest::GetOrderOfRequest(size_t index) const {
1744   index--;
1745   if (index >= requests_.size())
1746     return kIndexOutOfBounds;
1747
1748   for (size_t i = 0; i < request_order_.size(); i++)
1749     if (requests_[index] == request_order_[i])
1750       return i + 1;
1751
1752   return kRequestNotFound;
1753 }
1754
1755 bool ClientSocketPoolTest::ReleaseOneConnection(KeepAlive keep_alive) {
1756   ScopedVector<TestSocketRequest>::iterator i;
1757   for (i = requests_.begin(); i != requests_.end(); ++i) {
1758     if ((*i)->handle()->is_initialized()) {
1759       if (keep_alive == NO_KEEP_ALIVE)
1760         (*i)->handle()->socket()->Disconnect();
1761       (*i)->handle()->Reset();
1762       base::RunLoop().RunUntilIdle();
1763       return true;
1764     }
1765   }
1766   return false;
1767 }
1768
1769 void ClientSocketPoolTest::ReleaseAllConnections(KeepAlive keep_alive) {
1770   bool released_one;
1771   do {
1772     released_one = ReleaseOneConnection(keep_alive);
1773   } while (released_one);
1774 }
1775
1776 MockTransportClientSocketPool::MockConnectJob::MockConnectJob(
1777     scoped_ptr<StreamSocket> socket,
1778     ClientSocketHandle* handle,
1779     const CompletionCallback& callback)
1780     : socket_(socket.Pass()),
1781       handle_(handle),
1782       user_callback_(callback) {
1783 }
1784
1785 MockTransportClientSocketPool::MockConnectJob::~MockConnectJob() {}
1786
1787 int MockTransportClientSocketPool::MockConnectJob::Connect() {
1788   int rv = socket_->Connect(base::Bind(&MockConnectJob::OnConnect,
1789                                        base::Unretained(this)));
1790   if (rv == OK) {
1791     user_callback_.Reset();
1792     OnConnect(OK);
1793   }
1794   return rv;
1795 }
1796
1797 bool MockTransportClientSocketPool::MockConnectJob::CancelHandle(
1798     const ClientSocketHandle* handle) {
1799   if (handle != handle_)
1800     return false;
1801   socket_.reset();
1802   handle_ = NULL;
1803   user_callback_.Reset();
1804   return true;
1805 }
1806
1807 void MockTransportClientSocketPool::MockConnectJob::OnConnect(int rv) {
1808   if (!socket_.get())
1809     return;
1810   if (rv == OK) {
1811     handle_->SetSocket(socket_.Pass());
1812
1813     // Needed for socket pool tests that layer other sockets on top of mock
1814     // sockets.
1815     LoadTimingInfo::ConnectTiming connect_timing;
1816     base::TimeTicks now = base::TimeTicks::Now();
1817     connect_timing.dns_start = now;
1818     connect_timing.dns_end = now;
1819     connect_timing.connect_start = now;
1820     connect_timing.connect_end = now;
1821     handle_->set_connect_timing(connect_timing);
1822   } else {
1823     socket_.reset();
1824   }
1825
1826   handle_ = NULL;
1827
1828   if (!user_callback_.is_null()) {
1829     CompletionCallback callback = user_callback_;
1830     user_callback_.Reset();
1831     callback.Run(rv);
1832   }
1833 }
1834
1835 MockTransportClientSocketPool::MockTransportClientSocketPool(
1836     int max_sockets,
1837     int max_sockets_per_group,
1838     ClientSocketPoolHistograms* histograms,
1839     ClientSocketFactory* socket_factory)
1840     : TransportClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1841                                 NULL, NULL, NULL),
1842       client_socket_factory_(socket_factory),
1843       last_request_priority_(DEFAULT_PRIORITY),
1844       release_count_(0),
1845       cancel_count_(0) {
1846 }
1847
1848 MockTransportClientSocketPool::~MockTransportClientSocketPool() {}
1849
1850 int MockTransportClientSocketPool::RequestSocket(
1851     const std::string& group_name, const void* socket_params,
1852     RequestPriority priority, ClientSocketHandle* handle,
1853     const CompletionCallback& callback, const BoundNetLog& net_log) {
1854   last_request_priority_ = priority;
1855   scoped_ptr<StreamSocket> socket =
1856       client_socket_factory_->CreateTransportClientSocket(
1857           AddressList(), net_log.net_log(), net::NetLog::Source());
1858   MockConnectJob* job = new MockConnectJob(socket.Pass(), handle, callback);
1859   job_list_.push_back(job);
1860   handle->set_pool_id(1);
1861   return job->Connect();
1862 }
1863
1864 void MockTransportClientSocketPool::CancelRequest(const std::string& group_name,
1865                                                   ClientSocketHandle* handle) {
1866   std::vector<MockConnectJob*>::iterator i;
1867   for (i = job_list_.begin(); i != job_list_.end(); ++i) {
1868     if ((*i)->CancelHandle(handle)) {
1869       cancel_count_++;
1870       break;
1871     }
1872   }
1873 }
1874
1875 void MockTransportClientSocketPool::ReleaseSocket(
1876     const std::string& group_name,
1877     scoped_ptr<StreamSocket> socket,
1878     int id) {
1879   EXPECT_EQ(1, id);
1880   release_count_++;
1881 }
1882
1883 DeterministicMockClientSocketFactory::DeterministicMockClientSocketFactory() {}
1884
1885 DeterministicMockClientSocketFactory::~DeterministicMockClientSocketFactory() {}
1886
1887 void DeterministicMockClientSocketFactory::AddSocketDataProvider(
1888     DeterministicSocketData* data) {
1889   mock_data_.Add(data);
1890 }
1891
1892 void DeterministicMockClientSocketFactory::AddSSLSocketDataProvider(
1893     SSLSocketDataProvider* data) {
1894   mock_ssl_data_.Add(data);
1895 }
1896
1897 void DeterministicMockClientSocketFactory::ResetNextMockIndexes() {
1898   mock_data_.ResetNextIndex();
1899   mock_ssl_data_.ResetNextIndex();
1900 }
1901
1902 MockSSLClientSocket* DeterministicMockClientSocketFactory::
1903     GetMockSSLClientSocket(size_t index) const {
1904   DCHECK_LT(index, ssl_client_sockets_.size());
1905   return ssl_client_sockets_[index];
1906 }
1907
1908 scoped_ptr<DatagramClientSocket>
1909 DeterministicMockClientSocketFactory::CreateDatagramClientSocket(
1910     DatagramSocket::BindType bind_type,
1911     const RandIntCallback& rand_int_cb,
1912     net::NetLog* net_log,
1913     const NetLog::Source& source) {
1914   DeterministicSocketData* data_provider = mock_data().GetNext();
1915   scoped_ptr<DeterministicMockUDPClientSocket> socket(
1916       new DeterministicMockUDPClientSocket(net_log, data_provider));
1917   data_provider->set_delegate(socket->AsWeakPtr());
1918   udp_client_sockets().push_back(socket.get());
1919   if (bind_type == DatagramSocket::RANDOM_BIND)
1920     socket->set_source_port(rand_int_cb.Run(1025, 65535));
1921   return socket.PassAs<DatagramClientSocket>();
1922 }
1923
1924 scoped_ptr<StreamSocket>
1925 DeterministicMockClientSocketFactory::CreateTransportClientSocket(
1926     const AddressList& addresses,
1927     net::NetLog* net_log,
1928     const net::NetLog::Source& source) {
1929   DeterministicSocketData* data_provider = mock_data().GetNext();
1930   scoped_ptr<DeterministicMockTCPClientSocket> socket(
1931       new DeterministicMockTCPClientSocket(net_log, data_provider));
1932   data_provider->set_delegate(socket->AsWeakPtr());
1933   tcp_client_sockets().push_back(socket.get());
1934   return socket.PassAs<StreamSocket>();
1935 }
1936
1937 scoped_ptr<SSLClientSocket>
1938 DeterministicMockClientSocketFactory::CreateSSLClientSocket(
1939     scoped_ptr<ClientSocketHandle> transport_socket,
1940     const HostPortPair& host_and_port,
1941     const SSLConfig& ssl_config,
1942     const SSLClientSocketContext& context) {
1943   scoped_ptr<MockSSLClientSocket> socket(
1944       new MockSSLClientSocket(transport_socket.Pass(),
1945                               host_and_port, ssl_config,
1946                               mock_ssl_data_.GetNext()));
1947   ssl_client_sockets_.push_back(socket.get());
1948   return socket.PassAs<SSLClientSocket>();
1949 }
1950
1951 void DeterministicMockClientSocketFactory::ClearSSLSessionCache() {
1952 }
1953
1954 MockSOCKSClientSocketPool::MockSOCKSClientSocketPool(
1955     int max_sockets,
1956     int max_sockets_per_group,
1957     ClientSocketPoolHistograms* histograms,
1958     TransportClientSocketPool* transport_pool)
1959     : SOCKSClientSocketPool(max_sockets, max_sockets_per_group, histograms,
1960                             NULL, transport_pool, NULL),
1961       transport_pool_(transport_pool) {
1962 }
1963
1964 MockSOCKSClientSocketPool::~MockSOCKSClientSocketPool() {}
1965
1966 int MockSOCKSClientSocketPool::RequestSocket(
1967     const std::string& group_name, const void* socket_params,
1968     RequestPriority priority, ClientSocketHandle* handle,
1969     const CompletionCallback& callback, const BoundNetLog& net_log) {
1970   return transport_pool_->RequestSocket(
1971       group_name, socket_params, priority, handle, callback, net_log);
1972 }
1973
1974 void MockSOCKSClientSocketPool::CancelRequest(
1975     const std::string& group_name,
1976     ClientSocketHandle* handle) {
1977   return transport_pool_->CancelRequest(group_name, handle);
1978 }
1979
1980 void MockSOCKSClientSocketPool::ReleaseSocket(const std::string& group_name,
1981                                               scoped_ptr<StreamSocket> socket,
1982                                               int id) {
1983   return transport_pool_->ReleaseSocket(group_name, socket.Pass(), id);
1984 }
1985
1986 const char kSOCKS5GreetRequest[] = { 0x05, 0x01, 0x00 };
1987 const int kSOCKS5GreetRequestLength = arraysize(kSOCKS5GreetRequest);
1988
1989 const char kSOCKS5GreetResponse[] = { 0x05, 0x00 };
1990 const int kSOCKS5GreetResponseLength = arraysize(kSOCKS5GreetResponse);
1991
1992 const char kSOCKS5OkRequest[] =
1993     { 0x05, 0x01, 0x00, 0x03, 0x04, 'h', 'o', 's', 't', 0x00, 0x50 };
1994 const int kSOCKS5OkRequestLength = arraysize(kSOCKS5OkRequest);
1995
1996 const char kSOCKS5OkResponse[] =
1997     { 0x05, 0x00, 0x00, 0x01, 127, 0, 0, 1, 0x00, 0x50 };
1998 const int kSOCKS5OkResponseLength = arraysize(kSOCKS5OkResponse);
1999
2000 }  // namespace net