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// Copyright 2013 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 "content/shell/browser/shell_net_log.h"
#include <stdio.h>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/values.h"
#include "content/public/common/content_switches.h"
#include "net/base/net_log_logger.h"
namespace content {
namespace {
base::DictionaryValue* GetShellConstants(const std::string& app_name) {
base::DictionaryValue* constants_dict = net::NetLogLogger::GetConstants();
// Add a dictionary with client information
base::DictionaryValue* dict = new base::DictionaryValue();
dict->SetString("name", app_name);
dict->SetString("command_line",
CommandLine::ForCurrentProcess()->GetCommandLineString());
constants_dict->Set("clientInfo", dict);
return constants_dict;
}
} // namespace
ShellNetLog::ShellNetLog(const std::string& app_name) {
const CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kLogNetLog)) {
base::FilePath log_path =
command_line->GetSwitchValuePath(switches::kLogNetLog);
// Much like logging.h, bypass threading restrictions by using fopen
// directly. Have to write on a thread that's shutdown to handle events on
// shutdown properly, and posting events to another thread as they occur
// would result in an unbounded buffer size, so not much can be gained by
// doing this on another thread. It's only used when debugging, so
// performance is not a big concern.
FILE* file = NULL;
#if defined(OS_WIN)
file = _wfopen(log_path.value().c_str(), L"w");
#elif defined(OS_POSIX)
file = fopen(log_path.value().c_str(), "w");
#endif
if (file == NULL) {
LOG(ERROR) << "Could not open file " << log_path.value()
<< " for net logging";
} else {
scoped_ptr<base::Value> constants(GetShellConstants(app_name));
net_log_logger_.reset(new net::NetLogLogger(file, *constants));
net_log_logger_->StartObserving(this);
}
}
}
ShellNetLog::~ShellNetLog() {
// Remove the observer we own before we're destroyed.
if (net_log_logger_)
RemoveThreadSafeObserver(net_log_logger_.get());
}
} // namespace content
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