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https://github.com/mollyim/webrtc.git
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d419db9a9e
Bug: webrtc:8735 Change-Id: I07247ce67983f873febb8d8d32c25032a4608eae Reviewed-on: https://webrtc-review.googlesource.com/c/40400 Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Commit-Queue: Peter Hanspers <peterhanspers@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25197}
94 lines
2.1 KiB
Text
94 lines
2.1 KiB
Text
/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import "RTCCallbackLogger.h"
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#include <memory>
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/logsinks.h"
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class CallbackLogSink : public rtc::LogSink {
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public:
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CallbackLogSink(void (^callbackHandler)(NSString *message)) {
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callback_handler_ = callbackHandler;
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}
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~CallbackLogSink() override { callback_handler_ = nil; }
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void OnLogMessage(const std::string &message) override {
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if (callback_handler_) {
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callback_handler_([NSString stringWithUTF8String:message.c_str()]);
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}
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}
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private:
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void (^callback_handler_)(NSString *message);
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};
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@implementation RTCCallbackLogger {
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BOOL _hasStarted;
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std::unique_ptr<CallbackLogSink> _logSink;
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}
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@synthesize severity = _severity;
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- (instancetype)init {
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self = [super init];
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if (self != nil) {
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_severity = RTCLoggingSeverityInfo;
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}
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return self;
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}
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- (void)dealloc {
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[self stop];
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}
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- (void)start:(nullable void (^)(NSString *))callback {
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if (_hasStarted) {
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return;
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}
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_logSink.reset(new CallbackLogSink(callback));
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rtc::LogMessage::AddLogToStream(_logSink.get(), [self rtcSeverity]);
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_hasStarted = YES;
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}
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- (void)stop {
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if (!_hasStarted) {
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return;
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}
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RTC_DCHECK(_logSink);
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rtc::LogMessage::RemoveLogToStream(_logSink.get());
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_hasStarted = NO;
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_logSink.reset();
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}
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#pragma mark - Private
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- (rtc::LoggingSeverity)rtcSeverity {
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switch (_severity) {
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case RTCLoggingSeverityVerbose:
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return rtc::LS_VERBOSE;
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case RTCLoggingSeverityInfo:
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return rtc::LS_INFO;
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case RTCLoggingSeverityWarning:
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return rtc::LS_WARNING;
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case RTCLoggingSeverityError:
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return rtc::LS_ERROR;
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case RTCLoggingSeverityNone:
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return rtc::LS_NONE;
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}
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}
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@end
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