local_test_server_win.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7
15f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// found in the LICENSE file. 45f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 55f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "net/test/spawned_test_server/local_test_server.h" 65f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 75f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include <windows.h> 85f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include <wincrypt.h> 95f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 105f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/base_paths.h" 115f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/bind.h" 125f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/command_line.h" 135f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/environment.h" 145f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/files/file_path.h" 155f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/message_loop/message_loop.h" 165f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/path_service.h" 175f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/process/launch.h" 181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/strings/string_number_conversions.h" 195f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/strings/string_util.h" 205f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/strings/utf_string_conversions.h" 215f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/test/test_timeouts.h" 225f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/threading/thread.h" 235f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/win/scoped_handle.h" 245f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "net/test/python_utils.h" 255f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 265f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#pragma comment(lib, "crypt32.lib") 275f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 285f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)namespace { 295f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 305f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Writes |size| bytes to |handle| and sets |*unblocked| to true. 311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci// Used as a crude timeout mechanism by ReadData(). 325f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)void UnblockPipe(HANDLE handle, DWORD size, bool* unblocked) { 335f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) std::string unblock_data(size, '\0'); 345f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Unblock the ReadFile in LocalTestServer::WaitToStart by writing to the 355f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // pipe. Make sure the call succeeded, otherwise we are very likely to hang. 365f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) DWORD bytes_written = 0; 375f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(WARNING) << "Timeout reached; unblocking pipe by writing " 385f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) << size << " bytes"; 391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci CHECK(WriteFile(handle, unblock_data.data(), size, &bytes_written, 405f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) NULL)); 415f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) CHECK_EQ(size, bytes_written); 425f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) *unblocked = true; 435f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 445f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 455f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Given a file handle, reads into |buffer| until |bytes_max| bytes 465f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// has been read or an error has been encountered. Returns 475f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// true if the read was successful. 485f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)bool ReadData(HANDLE read_fd, HANDLE write_fd, 495f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) DWORD bytes_max, uint8* buffer) { 505f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) base::Thread thread("test_server_watcher"); 515f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!thread.Start()) 525f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 535f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 545f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Prepare a timeout in case the server fails to start. 555f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) bool unblocked = false; 565f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) thread.message_loop()->PostDelayedTask( 575f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) FROM_HERE, base::Bind(UnblockPipe, write_fd, bytes_max, &unblocked), 585f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) TestTimeouts::action_max_timeout()); 595f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 605f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) DWORD bytes_read = 0; 615f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) while (bytes_read < bytes_max) { 625f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) DWORD num_bytes; 635f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!ReadFile(read_fd, buffer + bytes_read, bytes_max - bytes_read, 645f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) &num_bytes, NULL)) { 655f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) PLOG(ERROR) << "ReadFile failed"; 665f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 675f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 685f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (num_bytes <= 0) { 695f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "ReadFile returned invalid byte count: " << num_bytes; 701320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return false; 711320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 721320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci bytes_read += num_bytes; 731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci thread.Stop(); 765f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // If the timeout kicked in, abort. 775f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (unblocked) { 785f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Timeout exceeded for ReadData"; 795f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 805f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 815f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 825f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return true; 835f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 845f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 855f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// Class that sets up a temporary path that includes the supplied path 865f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// at the end. 875f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// 885f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// TODO(bratell): By making this more generic we can possibly reuse 895f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// it at other places such as 905f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)// chrome/common/multi_process_lock_unittest.cc. 915f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)class ScopedPath { 925f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) public: 935f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Constructor which sets up the environment to include the path to 945f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // |path_to_add|. 955f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) explicit ScopedPath(const base::FilePath& path_to_add); 965f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 975f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Destructor that restores the path that were active when the 985f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // object was constructed. 995f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) ~ScopedPath(); 1005f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1015f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) private: 1025f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // The PATH environment variable before it was changed or an empty 1035f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // string if there was no PATH environment variable. 1045f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) std::string old_path_; 1055f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1065f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // The helper object that allows us to read and set environment 1075f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // variables more easily. 1085f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) scoped_ptr<base::Environment> environment_; 1095f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1105f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // A flag saying if we have actually modified the environment. 1115f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) bool path_modified_; 1125f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1135f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ScopedPath); 1145f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)}; 1155f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1165f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)ScopedPath::ScopedPath(const base::FilePath& path_to_add) 1175f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) : environment_(base::Environment::Create()), 1185f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) path_modified_(false) { 1195f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) environment_->GetVar("PATH", &old_path_); 1205f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1215f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) std::string new_value = old_path_; 1225f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!new_value.empty()) 1235f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) new_value += ";"; 1245f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1255f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) new_value += base::WideToUTF8(path_to_add.value()); 1265f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1275f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) path_modified_ = environment_->SetVar("PATH", new_value); 1281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 1291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano TucciScopedPath::~ScopedPath() { 1311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!path_modified_) 1321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return; 1331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (old_path_.empty()) 1341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci environment_->UnSetVar("PATH"); 1351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci else 1361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci environment_->SetVar("PATH", old_path_); 1371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 1381320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} // namespace 1401320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1411320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccinamespace net { 1421320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1431320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccibool LocalTestServer::LaunchPython(const base::FilePath& testserver_path) { 1441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci CommandLine python_command(CommandLine::NO_PROGRAM); 1451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!GetPythonCommand(&python_command)) 1461320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return false; 1471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci python_command.AppendArgPath(testserver_path); 1491320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!AddCommandLineArguments(&python_command)) 1501320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return false; 1511320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1521320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci HANDLE child_read = NULL; 1531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci HANDLE child_write = NULL; 1541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!CreatePipe(&child_read, &child_write, NULL, 0)) { 1551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci PLOG(ERROR) << "Failed to create pipe"; 1561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return false; 1575f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 1585f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) child_read_fd_.Set(child_read); 1595f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) child_write_fd_.Set(child_write); 1605f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1615f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Have the child inherit the write half. 1625f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!SetHandleInformation(child_write, HANDLE_FLAG_INHERIT, 1635f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) HANDLE_FLAG_INHERIT)) { 1645f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) PLOG(ERROR) << "Failed to enable pipe inheritance"; 1655f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 1665f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 1675f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1685f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // Pass the handle on the command-line. Although HANDLE is a 1695f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // pointer, truncating it on 64-bit machines is okay. See 1705f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // http://msdn.microsoft.com/en-us/library/aa384203.aspx 1715f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // 1725f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // "64-bit versions of Windows use 32-bit handles for 1735f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // interoperability. When sharing a handle between 32-bit and 64-bit 1745f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // applications, only the lower 32 bits are significant, so it is 1755f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // safe to truncate the handle (when passing it from 64-bit to 1765f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // 32-bit) or sign-extend the handle (when passing it from 32-bit to 1775f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // 64-bit)." 1785f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) python_command.AppendArg("--startup-pipe=" + 1795f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) base::IntToString(reinterpret_cast<uintptr_t>(child_write))); 1805f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1815f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) job_handle_.Set(CreateJobObject(NULL, NULL)); 1825f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!job_handle_.IsValid()) { 1835f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Could not create JobObject."; 1845f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 1855f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 1865f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1875f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!base::SetJobObjectLimitFlags(job_handle_.Get(), 1885f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE)) { 1895f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Could not SetJobObjectLimitFlags."; 1905f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 1915f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 1925f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1935f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) base::LaunchOptions launch_options; 1945f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) launch_options.inherit_handles = true; 1955f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) launch_options.job_handle = job_handle_.Get(); 1965f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!base::LaunchProcess(python_command, launch_options, &process_handle_)) { 1975f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Failed to launch " << python_command.GetCommandLineString(); 1985f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 1995f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 2005f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2015f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return true; 2025f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 2035f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2045f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)bool LocalTestServer::WaitToStart() { 2055f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) base::win::ScopedHandle read_fd(child_read_fd_.Take()); 2065f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) base::win::ScopedHandle write_fd(child_write_fd_.Take()); 2075f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2085f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) uint32 server_data_len = 0; 2095f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!ReadData(read_fd.Get(), write_fd.Get(), sizeof(server_data_len), 2105f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) reinterpret_cast<uint8*>(&server_data_len))) { 2115f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Could not read server_data_len"; 2125f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 2135f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 2145f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) std::string server_data(server_data_len, '\0'); 2155f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!ReadData(read_fd.Get(), write_fd.Get(), server_data_len, 2165f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) reinterpret_cast<uint8*>(&server_data[0]))) { 2175f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Could not read server_data (" << server_data_len 2185f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) << " bytes)"; 2195f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 2205f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 2215f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2225f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!ParseServerData(server_data)) { 2235f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LOG(ERROR) << "Could not parse server_data: " << server_data; 2245f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return false; 2255f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 2265f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2275f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return true; 2285f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 2295f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2305f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} // namespace net 2315f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2325f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)