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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/mtransport/rlogconnector.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+// Some of this code is cut-and-pasted from nICEr. Copyright is:
+
+/*
+Copyright (c) 2007, Adobe Systems, Incorporated
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name of Adobe Systems, Network Resonance nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* 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/. */
+
+/* Original author: bcampen@mozilla.com */
+
+/*
+ This file defines an r_dest_vlog that can be used to accumulate log messages
+ for later inspection/filtering. The intent is to use this for interactive
+ debug purposes on an about:webrtc page or similar.
+*/
+
+#ifndef rlogconnector_h__
+#define rlogconnector_h__
+
+#include <stdint.h>
+
+#include <deque>
+#include <string>
+#include <vector>
+
+#include "mozilla/Mutex.h"
+
+#include "m_cpp_utils.h"
+
+namespace mozilla {
+
+class RLogConnector {
+ public:
+ /*
+ NB: These are not threadsafe, nor are they safe to call during static
+ init/deinit.
+ */
+ static RLogConnector* CreateInstance();
+ static RLogConnector* GetInstance();
+ static void DestroyInstance();
+
+ /*
+ Retrieves log statements that match a given substring, subject to a
+ limit. |matching_logs| will be filled in chronological order (front()
+ is oldest, back() is newest). |limit| == 0 will be interpreted as no
+ limit.
+ */
+ void Filter(const std::string& substring,
+ uint32_t limit,
+ std::deque<std::string>* matching_logs);
+
+ void FilterAny(const std::vector<std::string>& substrings,
+ uint32_t limit,
+ std::deque<std::string>* matching_logs);
+
+ inline void GetAny(uint32_t limit,
+ std::deque<std::string>* matching_logs) {
+ Filter("", limit, matching_logs);
+ }
+
+ void SetLogLimit(uint32_t new_limit);
+ void Log(int level, std::string&& log);
+ void Clear();
+
+ // Methods to signal when a PeerConnection exists in a Private Window.
+ void EnterPrivateMode();
+ void ExitPrivateMode();
+
+ private:
+ RLogConnector();
+ ~RLogConnector();
+ void RemoveOld();
+ void AddMsg(std::string&& msg);
+
+ static RLogConnector* instance;
+
+ /*
+ * Might be worthwhile making this a circular buffer, but I think it is
+ * preferable to take up as little space as possible if no logging is
+ * happening/the ringbuffer is not being used.
+ */
+ std::deque<std::string> log_messages_;
+ /* Max size of log buffer (should we use time-depth instead/also?) */
+ uint32_t log_limit_;
+ OffTheBooksMutex mutex_;
+ uint32_t disableCount_;
+
+ DISALLOW_COPY_ASSIGN(RLogConnector);
+}; // class RLogConnector
+
+} // namespace mozilla
+
+#endif // rlogconnector_h__