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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebRtcLog.h"
#include "mozilla/Logging.h"
#include "mozilla/StaticPtr.h"
#include "prenv.h"
#include "rtc_base/logging.h"
#include "nscore.h"
#include "nsString.h"
#include "nsXULAppAPI.h"
#include "mozilla/Preferences.h"
#include "nsIFile.h"
#include "nsDirectoryServiceUtils.h"
#include "nsDirectoryServiceDefs.h"
#include "nsNativeCharsetUtils.h"
using mozilla::LogLevel;
static mozilla::LazyLogModule sWebRtcLog("webrtc_trace");
static mozilla::LazyLogModule sLogAEC("AEC");
class LogSinkImpl : public rtc::LogSink {
public:
LogSinkImpl() {}
private:
void OnLogMessage(const std::string& message) override {
MOZ_LOG(sWebRtcLog, LogLevel::Debug, ("%s", message.data()));
}
};
// For RTC_LOG()
static mozilla::StaticAutoPtr<LogSinkImpl> sSink;
void GetWebRtcLogPrefs() {
rtc::LogMessage::set_aec_debug_size(
mozilla::Preferences::GetUint("media.webrtc.debug.aec_dump_max_size"));
}
mozilla::LogLevel CheckOverrides() {
mozilla::LogModule* log_info = sWebRtcLog;
mozilla::LogLevel log_level = log_info->Level();
log_info = sLogAEC;
if (sLogAEC && (log_info->Level() != mozilla::LogLevel::Disabled)) {
rtc::LogMessage::set_aec_debug(true);
}
return log_level;
}
void ConfigWebRtcLog(mozilla::LogLevel level) {
rtc::LoggingSeverity log_level;
switch (level) {
case mozilla::LogLevel::Verbose:
log_level = rtc::LoggingSeverity::LS_VERBOSE;
break;
case mozilla::LogLevel::Debug:
case mozilla::LogLevel::Info:
log_level = rtc::LoggingSeverity::LS_INFO;
break;
case mozilla::LogLevel::Warning:
log_level = rtc::LoggingSeverity::LS_WARNING;
break;
case mozilla::LogLevel::Error:
log_level = rtc::LoggingSeverity::LS_ERROR;
break;
case mozilla::LogLevel::Disabled:
log_level = rtc::LoggingSeverity::LS_NONE;
break;
default:
MOZ_ASSERT(false);
break;
}
rtc::LogMessage::LogToDebug(log_level);
if (level != mozilla::LogLevel::Disabled) {
// always capture LOG(...) << ... logging in webrtc.org code to nspr logs
if (!sSink) {
sSink = new LogSinkImpl();
rtc::LogMessage::AddLogToStream(sSink, log_level);
// it's ok if this leaks to program end
}
} else if (sSink) {
rtc::LogMessage::RemoveLogToStream(sSink);
sSink = nullptr;
}
}
void StartWebRtcLog(mozilla::LogLevel log_level) {
if (log_level == mozilla::LogLevel::Disabled) {
return;
}
GetWebRtcLogPrefs();
mozilla::LogLevel level = CheckOverrides();
ConfigWebRtcLog(level);
}
void EnableWebRtcLog() {
GetWebRtcLogPrefs();
mozilla::LogLevel level = CheckOverrides();
ConfigWebRtcLog(level);
}
// Called when we destroy the singletons from PeerConnectionCtx or if the
// user changes logging in about:webrtc
void StopWebRtcLog() {
if (sSink) {
rtc::LogMessage::RemoveLogToStream(sSink);
sSink = nullptr;
}
}
nsCString ConfigAecLog() {
nsCString aecLogDir;
if (rtc::LogMessage::aec_debug()) {
return ""_ns;
}
#if defined(ANDROID)
const char* default_tmp_dir = "/dev/null";
aecLogDir.Assign(default_tmp_dir);
#else
nsCOMPtr<nsIFile> tempDir;
nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(tempDir));
if (NS_SUCCEEDED(rv)) {
# ifdef XP_WIN
// WebRTC wants a path encoded in the native charset, not UTF-8.
nsAutoString temp;
tempDir->GetPath(temp);
NS_CopyUnicodeToNative(temp, aecLogDir);
# else
tempDir->GetNativePath(aecLogDir);
# endif
}
#endif
rtc::LogMessage::set_aec_debug_filename(aecLogDir.get());
return aecLogDir;
}
nsCString StartAecLog() {
nsCString aecLogDir;
if (rtc::LogMessage::aec_debug()) {
return ""_ns;
}
GetWebRtcLogPrefs();
CheckOverrides();
aecLogDir = ConfigAecLog();
rtc::LogMessage::set_aec_debug(true);
return aecLogDir;
}
void StopAecLog() { rtc::LogMessage::set_aec_debug(false); }
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