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65 lines
2.0 KiB
65 lines
2.0 KiB
/* |
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* Copyright (C) 2014 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef _LOGD_LOG_KLOG_H__ |
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#define _LOGD_LOG_KLOG_H__ |
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#include <private/android_logger.h> |
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#include <sysutils/SocketListener.h> |
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class LogBuffer; |
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class LogReader; |
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class LogKlog : public SocketListener { |
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LogBuffer* logbuf; |
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LogReader* reader; |
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const log_time signature; |
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// Set once thread is started, separates KLOG_ACTION_READ_ALL |
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// and KLOG_ACTION_READ phases. |
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bool initialized; |
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// Used during each of the above phases to control logging. |
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bool enableLogging; |
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// set if we are also running auditd, to filter out audit reports from |
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// our copy of the kernel log |
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bool auditd; |
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static log_time correction; |
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public: |
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LogKlog(LogBuffer* buf, LogReader* reader, int fdWrite, int fdRead, |
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bool auditd); |
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int log(const char* buf, ssize_t len); |
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void synchronize(const char* buf, ssize_t len); |
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bool isMonotonic() { |
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return logbuf->isMonotonic(); |
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} |
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static void convertMonotonicToReal(log_time& real) { |
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real += correction; |
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} |
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static void convertRealToMonotonic(log_time& real) { |
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real -= correction; |
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} |
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protected: |
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void sniffTime(log_time& now, const char*& buf, ssize_t len, bool reverse); |
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pid_t sniffPid(const char*& buf, ssize_t len); |
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void calculateCorrection(const log_time& monotonic, const char* real_string, |
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ssize_t len); |
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virtual bool onDataAvailable(SocketClient* cli); |
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}; |
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#endif
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