1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40284755): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif
#include "net/test/spawned_test_server/local_test_server.h"
#include <windows.h>
#include "base/base_paths.h"
#include "base/command_line.h"
#include "base/environment.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/process/launch.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/scoped_handle.h"
#include "net/test/python_utils.h"
namespace {
// 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_t* buffer) {
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, nullptr)) {
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;
}
return true;
}
} // namespace
namespace net {
bool LocalTestServer::LaunchPython(
const base::FilePath& testserver_path,
const std::vector<base::FilePath>& python_path) {
base::CommandLine python_command(base::CommandLine::NO_PROGRAM);
if (!GetPython3Command(&python_command))
return false;
python_command.AppendArgPath(testserver_path);
if (!AddCommandLineArguments(&python_command))
return false;
HANDLE child_read = nullptr;
HANDLE child_write = nullptr;
if (!CreatePipe(&child_read, &child_write, nullptr, 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 (!::DuplicateHandle(::GetCurrentProcess(), child_write,
::GetCurrentProcess(), &child_write, 0, TRUE,
DUPLICATE_SAME_ACCESS)) {
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::NumberToString(reinterpret_cast<uintptr_t>(child_write)));
base::LaunchOptions launch_options;
SetPythonPathInEnvironment(python_path, &launch_options.environment);
// Set CWD to source root.
if (!base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT,
&launch_options.current_directory)) {
LOG(ERROR) << "Failed to get DIR_SRC_TEST_DATA_ROOT";
return false;
}
// TODO(brettw) bug 748258: Share only explicit handles.
launch_options.inherit_mode = base::LaunchOptions::Inherit::kAll;
process_ = base::LaunchProcess(python_command, launch_options);
if (!process_.IsValid()) {
LOG(ERROR) << "Failed to launch " << python_command.GetCommandLineString();
::CloseHandle(child_write);
return false;
}
::CloseHandle(child_write);
return true;
}
bool LocalTestServer::WaitToStart() {
base::win::ScopedHandle read_fd(child_read_fd_.Take());
base::win::ScopedHandle write_fd(child_write_fd_.Take());
uint32_t server_data_len = 0;
if (!ReadData(read_fd.Get(), write_fd.Get(), sizeof(server_data_len),
reinterpret_cast<uint8_t*>(&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_t*>(&server_data[0]))) {
LOG(ERROR) << "Could not read server_data (" << server_data_len
<< " bytes)";
return false;
}
int port;
if (!SetAndParseServerData(server_data, &port)) {
LOG(ERROR) << "Could not parse server_data: " << server_data;
return false;
}
SetPort(port);
return true;
}
} // namespace net
|
