Move SpawnedTestServer to its own subdirectory.

net/test/local_test_server_win.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/test/local_test_server.h"
-
-#include <windows.h>
-#include <wincrypt.h>
-
-#include "base/base_paths.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/file_util.h"
-#include "base/message_loop.h"
-#include "base/path_service.h"
-#include "base/process_util.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "base/test/test_timeouts.h"
-#include "base/threading/thread.h"
-#include "base/utf_string_conversions.h"
-#include "base/win/scoped_handle.h"
-#include "net/test/python_utils.h"
-
-#pragma comment(lib, "crypt32.lib")
-
-namespace {
-
-// Writes |size| bytes to |handle| and sets |*unblocked| to true.
-// Used as a crude timeout mechanism by ReadData().
-void UnblockPipe(HANDLE handle, DWORD size, bool* unblocked) {
-  std::string unblock_data(size, '\0');
-  // Unblock the ReadFile in LocalTestServer::WaitToStart by writing to the
-  // pipe. Make sure the call succeeded, otherwise we are very likely to hang.
-  DWORD bytes_written = 0;
-  LOG(WARNING) << "Timeout reached; unblocking pipe by writing "
-               << size << " bytes";
-  CHECK(WriteFile(handle, unblock_data.data(), size, &bytes_written,
-                  NULL));
-  CHECK_EQ(size, bytes_written);
-  *unblocked = true;
-}
-
-// Given a file handle, reads into |buffer| until |bytes_max| bytes
-// has been read or an error has been encountered.  Returns
-// true if the read was successful.
-bool ReadData(HANDLE read_fd, HANDLE write_fd,
-              DWORD bytes_max, uint8* buffer) {
-  base::Thread thread("test_server_watcher");
-  if (!thread.Start())
-    return false;
-
-  // Prepare a timeout in case the server fails to start.
-  bool unblocked = false;
-  thread.message_loop()->PostDelayedTask(
-      FROM_HERE, base::Bind(UnblockPipe, write_fd, bytes_max, &unblocked),
-      TestTimeouts::action_max_timeout());
-
-  DWORD bytes_read = 0;
-  while (bytes_read < bytes_max) {
-    DWORD num_bytes;
-    if (!ReadFile(read_fd, buffer + bytes_read, bytes_max - bytes_read,
-                  &num_bytes, NULL)) {
-      PLOG(ERROR) << "ReadFile failed";
-      return false;
-    }
-    if (num_bytes <= 0) {
-      LOG(ERROR) << "ReadFile returned invalid byte count: " << num_bytes;
-      return false;
-    }
-    bytes_read += num_bytes;
-  }
-
-  thread.Stop();
-  // If the timeout kicked in, abort.
-  if (unblocked) {
-    LOG(ERROR) << "Timeout exceeded for ReadData";
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace
-
-namespace net {
-
-bool LocalTestServer::LaunchPython(const base::FilePath& testserver_path) {
-  CommandLine python_command(CommandLine::NO_PROGRAM);
-  if (!GetPythonCommand(&python_command))
-    return false;
-
-  python_command.AppendArgPath(testserver_path);
-  if (!AddCommandLineArguments(&python_command))
-    return false;
-
-  HANDLE child_read = NULL;
-  HANDLE child_write = NULL;
-  if (!CreatePipe(&child_read, &child_write, NULL, 0)) {
-    PLOG(ERROR) << "Failed to create pipe";
-    return false;
-  }
-  child_read_fd_.Set(child_read);
-  child_write_fd_.Set(child_write);
-
-  // Have the child inherit the write half.
-  if (!SetHandleInformation(child_write, HANDLE_FLAG_INHERIT,
-                            HANDLE_FLAG_INHERIT)) {
-    PLOG(ERROR) << "Failed to enable pipe inheritance";
-    return false;
-  }
-
-  // Pass the handle on the command-line. Although HANDLE is a
-  // pointer, truncating it on 64-bit machines is okay. See
-  // http://msdn.microsoft.com/en-us/library/aa384203.aspx
-  //
-  // "64-bit versions of Windows use 32-bit handles for
-  // interoperability. When sharing a handle between 32-bit and 64-bit
-  // applications, only the lower 32 bits are significant, so it is
-  // safe to truncate the handle (when passing it from 64-bit to
-  // 32-bit) or sign-extend the handle (when passing it from 32-bit to
-  // 64-bit)."
-  python_command.AppendArg("--startup-pipe=" +
-      base::IntToString(reinterpret_cast<uintptr_t>(child_write)));
-
-  job_handle_.Set(CreateJobObject(NULL, NULL));
-  if (!job_handle_.IsValid()) {
-    LOG(ERROR) << "Could not create JobObject.";
-    return false;
-  }
-
-  if (!base::SetJobObjectAsKillOnJobClose(job_handle_.Get())) {
-    LOG(ERROR) << "Could not SetInformationJobObject.";
-    return false;
-  }
-
-  base::LaunchOptions launch_options;
-  launch_options.inherit_handles = true;
-  launch_options.job_handle = job_handle_.Get();
-  if (!base::LaunchProcess(python_command, launch_options, &process_handle_)) {
-    LOG(ERROR) << "Failed to launch " << python_command.GetCommandLineString();
-    return false;
-  }
-
-  return true;
-}
-
-bool LocalTestServer::WaitToStart() {
-  base::win::ScopedHandle read_fd(child_read_fd_.Take());
-  base::win::ScopedHandle write_fd(child_write_fd_.Take());
-
-  uint32 server_data_len = 0;
-  if (!ReadData(read_fd.Get(), write_fd.Get(), sizeof(server_data_len),
-                reinterpret_cast<uint8*>(&server_data_len))) {
-    LOG(ERROR) << "Could not read server_data_len";
-    return false;
-  }
-  std::string server_data(server_data_len, '\0');
-  if (!ReadData(read_fd.Get(), write_fd.Get(), server_data_len,
-                reinterpret_cast<uint8*>(&server_data[0]))) {
-    LOG(ERROR) << "Could not read server_data (" << server_data_len
-               << " bytes)";
-    return false;
-  }
-
-  if (!ParseServerData(server_data)) {
-    LOG(ERROR) << "Could not parse server_data: " << server_data;
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace net
-