1 // Copyright (c) 2012 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.
5 #include "chrome/browser/net/chrome_net_log.h"
9 #include "base/command_line.h"
10 #include "base/logging.h"
11 #include "base/strings/string_number_conversions.h"
12 #include "base/strings/string_util.h"
13 #include "base/values.h"
14 #include "chrome/browser/net/net_log_temp_file.h"
15 #include "chrome/browser/ui/webui/net_internals/net_internals_ui.h"
16 #include "chrome/common/chrome_switches.h"
17 #include "content/public/common/content_switches.h"
18 #include "net/base/net_log_logger.h"
19 #include "net/base/trace_net_log_observer.h"
21 ChromeNetLog::ChromeNetLog()
22 : net_log_temp_file_(new NetLogTempFile(this)) {
23 const CommandLine* command_line = CommandLine::ForCurrentProcess();
24 // Adjust base log level based on command line switch, if present.
25 // This is done before adding any observers so the call to UpdateLogLevel when
26 // an observers is added will set |effective_log_level_| correctly.
27 if (command_line->HasSwitch(switches::kNetLogLevel)) {
28 std::string log_level_string =
29 command_line->GetSwitchValueASCII(switches::kNetLogLevel);
30 int command_line_log_level;
31 if (base::StringToInt(log_level_string, &command_line_log_level) &&
32 command_line_log_level >= LOG_ALL &&
33 command_line_log_level <= LOG_NONE) {
34 SetBaseLogLevel(static_cast<LogLevel>(command_line_log_level));
38 if (command_line->HasSwitch(switches::kLogNetLog)) {
39 base::FilePath log_path =
40 command_line->GetSwitchValuePath(switches::kLogNetLog);
41 // Much like logging.h, bypass threading restrictions by using fopen
42 // directly. Have to write on a thread that's shutdown to handle events on
43 // shutdown properly, and posting events to another thread as they occur
44 // would result in an unbounded buffer size, so not much can be gained by
45 // doing this on another thread. It's only used when debugging Chrome, so
46 // performance is not a big concern.
49 file = _wfopen(log_path.value().c_str(), L"w");
50 #elif defined(OS_POSIX)
51 file = fopen(log_path.value().c_str(), "w");
55 LOG(ERROR) << "Could not open file " << log_path.value()
56 << " for net logging";
58 scoped_ptr<base::Value> constants(NetInternalsUI::GetConstants());
59 net_log_logger_.reset(new net::NetLogLogger(file, *constants));
60 net_log_logger_->StartObserving(this);
64 trace_net_log_observer_.reset(new net::TraceNetLogObserver());
65 trace_net_log_observer_->WatchForTraceStart(this);
68 ChromeNetLog::~ChromeNetLog() {
69 net_log_temp_file_.reset();
70 // Remove the observers we own before we're destroyed.
72 RemoveThreadSafeObserver(net_log_logger_.get());
73 if (trace_net_log_observer_)
74 trace_net_log_observer_->StopWatchForTraceStart();