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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
// Copyright (c) 2009 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 "chrome/browser/utility_process_host.h"
#include "app/app_switches.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/indexed_db_key.h"
#include "chrome/common/utility_messages.h"
#include "ipc/ipc_switches.h"
#include "third_party/skia/include/core/SkBitmap.h"
UtilityProcessHost::UtilityProcessHost(ResourceDispatcherHost* rdh,
Client* client,
BrowserThread::ID client_thread_id)
: BrowserChildProcessHost(UTILITY_PROCESS, rdh),
client_(client),
client_thread_id_(client_thread_id),
is_batch_mode_(false) {
}
UtilityProcessHost::~UtilityProcessHost() {
DCHECK(!is_batch_mode_);
}
bool UtilityProcessHost::StartExtensionUnpacker(const FilePath& extension) {
// Grant the subprocess access to the entire subdir the extension file is
// in, so that it can unpack to that dir.
if (!StartProcess(extension.DirName()))
return false;
Send(new UtilityMsg_UnpackExtension(extension));
return true;
}
bool UtilityProcessHost::StartWebResourceUnpacker(const std::string& data) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_UnpackWebResource(data));
return true;
}
bool UtilityProcessHost::StartUpdateManifestParse(const std::string& xml) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_ParseUpdateManifest(xml));
return true;
}
bool UtilityProcessHost::StartImageDecoding(
const std::vector<unsigned char>& encoded_data) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_DecodeImage(encoded_data));
return true;
}
bool UtilityProcessHost::StartIDBKeysFromValuesAndKeyPath(
int id, const std::vector<SerializedScriptValue>& serialized_values,
const string16& key_path) {
if (!StartProcess(FilePath()))
return false;
Send(new UtilityMsg_IDBKeysFromValuesAndKeyPath(
id, serialized_values, key_path));
return true;
}
bool UtilityProcessHost::StartBatchMode() {
CHECK(!is_batch_mode_);
is_batch_mode_ = StartProcess(FilePath());
Send(new UtilityMsg_BatchMode_Started());
return is_batch_mode_;
}
void UtilityProcessHost::EndBatchMode() {
CHECK(is_batch_mode_);
is_batch_mode_ = false;
Send(new UtilityMsg_BatchMode_Finished());
}
FilePath UtilityProcessHost::GetUtilityProcessCmd() {
return GetChildPath(true);
}
bool UtilityProcessHost::StartProcess(const FilePath& exposed_dir) {
if (is_batch_mode_)
return true;
// Name must be set or metrics_service will crash in any test which
// launches a UtilityProcessHost.
set_name(L"utility process");
if (!CreateChannel())
return false;
FilePath exe_path = GetUtilityProcessCmd();
if (exe_path.empty()) {
NOTREACHED() << "Unable to get utility process binary name.";
return false;
}
CommandLine* cmd_line = new CommandLine(exe_path);
cmd_line->AppendSwitchASCII(switches::kProcessType,
switches::kUtilityProcess);
cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id());
std::string locale = g_browser_process->GetApplicationLocale();
cmd_line->AppendSwitchASCII(switches::kLang, locale);
SetCrashReporterCommandLine(cmd_line);
const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
if (browser_command_line.HasSwitch(switches::kChromeFrame))
cmd_line->AppendSwitch(switches::kChromeFrame);
if (browser_command_line.HasSwitch(
switches::kEnableExperimentalExtensionApis)) {
cmd_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
}
#if defined(OS_POSIX)
// TODO(port): Sandbox this on Linux. Also, zygote this to work with
// Linux updating.
bool has_cmd_prefix = browser_command_line.HasSwitch(
switches::kUtilityCmdPrefix);
if (has_cmd_prefix) {
// launch the utility child process with some prefix (usually "xterm -e gdb
// --args").
cmd_line->PrependWrapper(browser_command_line.GetSwitchValueNative(
switches::kUtilityCmdPrefix));
}
cmd_line->AppendSwitchPath(switches::kUtilityProcessAllowedDir, exposed_dir);
#endif
Launch(
#if defined(OS_WIN)
exposed_dir,
#elif defined(OS_POSIX)
false,
base::environment_vector(),
#endif
cmd_line);
return true;
}
void UtilityProcessHost::OnMessageReceived(const IPC::Message& message) {
BrowserThread::PostTask(
client_thread_id_, FROM_HERE,
NewRunnableMethod(client_.get(), &Client::OnMessageReceived, message));
}
void UtilityProcessHost::OnProcessCrashed() {
BrowserThread::PostTask(
client_thread_id_, FROM_HERE,
NewRunnableMethod(client_.get(), &Client::OnProcessCrashed));
}
void UtilityProcessHost::Client::OnMessageReceived(
const IPC::Message& message) {
IPC_BEGIN_MESSAGE_MAP(UtilityProcessHost, message)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackExtension_Succeeded,
Client::OnUnpackExtensionSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackExtension_Failed,
Client::OnUnpackExtensionFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackWebResource_Succeeded,
Client::OnUnpackWebResourceSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackWebResource_Failed,
Client::OnUnpackWebResourceFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseUpdateManifest_Succeeded,
Client::OnParseUpdateManifestSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseUpdateManifest_Failed,
Client::OnParseUpdateManifestFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_DecodeImage_Succeeded,
Client::OnDecodeImageSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_DecodeImage_Failed,
Client::OnDecodeImageFailed)
IPC_MESSAGE_HANDLER(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Succeeded,
Client::OnIDBKeysFromValuesAndKeyPathSucceeded)
IPC_MESSAGE_HANDLER(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Failed,
Client::OnIDBKeysFromValuesAndKeyPathFailed)
IPC_END_MESSAGE_MAP_EX()
}
|
