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1 // Copyright 2013 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 "content/shell/shell_net_log.h" | |
6 | |
7 #include <stdio.h> | |
8 | |
9 #include "base/command_line.h" | |
10 #include "base/files/file_path.h" | |
11 #include "base/values.h" | |
12 #include "content/public/common/content_switches.h" | |
13 #include "net/base/net_log_logger.h" | |
14 | |
15 namespace content { | |
16 | |
17 namespace { | |
18 | |
19 base::DictionaryValue* GetShellConstants() { | |
20 base::DictionaryValue* constants_dict = net::NetLogLogger::GetConstants(); | |
21 | |
22 // Add a dictionary with client information | |
23 base::DictionaryValue* dict = new DictionaryValue(); | |
24 | |
25 dict->SetString("name", "content_shell"); | |
26 dict->SetString("command_line", | |
27 CommandLine::ForCurrentProcess()->GetCommandLineString()); | |
28 | |
29 constants_dict->Set("clientInfo", dict); | |
30 | |
31 return constants_dict; | |
32 } | |
33 | |
34 } // namespace | |
35 | |
36 ShellNetLog::ShellNetLog() { | |
37 const CommandLine* command_line = CommandLine::ForCurrentProcess(); | |
38 | |
39 if (command_line->HasSwitch(switches::kLogNetLog)) { | |
40 base::FilePath log_path = | |
41 command_line->GetSwitchValuePath(switches::kLogNetLog); | |
42 // Much like logging.h, bypass threading restrictions by using fopen | |
43 // directly. Have to write on a thread that's shutdown to handle events on | |
44 // shutdown properly, and posting events to another thread as they occur | |
45 // would result in an unbounded buffer size, so not much can be gained by | |
46 // doing this on another thread. It's only used when debugging, so | |
47 // performance is not a big concern. | |
48 FILE* file = NULL; | |
49 #if defined(OS_WIN) | |
50 file = _wfopen(log_path.value().c_str(), L"w"); | |
51 #elif defined(OS_POSIX) | |
52 file = fopen(log_path.value().c_str(), "w"); | |
53 #endif | |
54 | |
55 if (file == NULL) { | |
56 LOG(ERROR) << "Could not open file " << log_path.value() | |
57 << " for net logging"; | |
58 } else { | |
59 scoped_ptr<base::Value> constants(GetShellConstants()); | |
60 net_log_logger_.reset(new net::NetLogLogger(file, *constants)); | |
61 net_log_logger_->StartObserving(this); | |
62 } | |
63 } | |
64 } | |
65 | |
66 ShellNetLog::~ShellNetLog() { | |
67 // Remove the observer we own before we're destroyed. | |
68 if (net_log_logger_) | |
69 RemoveThreadSafeObserver(net_log_logger_.get()); | |
70 } | |
71 | |
72 } // namespace content | |
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