/*
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* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __DEBUG_HANDLER_H__
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#define __DEBUG_HANDLER_H__
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#include <bitset>
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#define DLOG(method, format, ...) \
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display::DebugHandler::Get()->method(__CLASS__ "::%s: " format, __FUNCTION__, ##__VA_ARGS__)
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#define DLOG_IF(tag, method, format, ...) \
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if (display::DebugHandler::GetLogMask()[tag]) { \
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DLOG(method, format, ##__VA_ARGS__); \
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}
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#define DLOGE_IF(tag, format, ...) DLOG_IF(tag, Error, format, ##__VA_ARGS__)
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#define DLOGW_IF(tag, format, ...) DLOG_IF(tag, Warning, format, ##__VA_ARGS__)
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#define DLOGI_IF(tag, format, ...) DLOG_IF(tag, Info, format, ##__VA_ARGS__)
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#define DLOGD_IF(tag, format, ...) DLOG_IF(tag, Debug, format, ##__VA_ARGS__)
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#define DLOGV_IF(tag, format, ...) DLOG_IF(tag, Verbose, format, ##__VA_ARGS__)
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#define DLOGE(format, ...) DLOG(Error, format, ##__VA_ARGS__)
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#define DLOGW(format, ...) DLOG(Warning, format, ##__VA_ARGS__)
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#define DLOGI(format, ...) DLOG(Info, format, ##__VA_ARGS__)
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#define DLOGD(format, ...) DLOG(Debug, format, ##__VA_ARGS__)
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#define DLOGV(format, ...) DLOG(Verbose, format, ##__VA_ARGS__)
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#define DTRACE_BEGIN(custom_string) display::DebugHandler::Get()->BeginTrace( \
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__CLASS__, __FUNCTION__, custom_string)
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#define DTRACE_END() display::DebugHandler::Get()->EndTrace()
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#define DTRACE_SCOPED() display::ScopeTracer <display::DebugHandler> \
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scope_tracer(__CLASS__, __FUNCTION__)
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namespace display {
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class DebugHandler {
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public:
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virtual void Error(const char *format, ...) = 0;
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virtual void Warning(const char *format, ...) = 0;
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virtual void Info(const char *format, ...) = 0;
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virtual void Debug(const char *format, ...) = 0;
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virtual void Verbose(const char *format, ...) = 0;
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virtual void BeginTrace(const char *class_name, const char *function_name,
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const char *custom_string) = 0;
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virtual void EndTrace() = 0;
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virtual int GetProperty(const char *property_name, int *value) = 0;
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virtual int GetProperty(const char *property_name, char *value) = 0;
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static inline DebugHandler *Get() { return debug_handler_; }
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static void Set(DebugHandler *debug_handler);
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static inline std::bitset<32> & GetLogMask() { return log_mask_; }
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static void SetLogMask(const std::bitset<32> &log_mask) { log_mask_ = log_mask; }
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protected:
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virtual ~DebugHandler() { }
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private:
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static DebugHandler *debug_handler_;
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static std::bitset<32> log_mask_;
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};
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template <class T>
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class ScopeTracer {
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public:
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ScopeTracer(const char *class_name, const char *function_name) {
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T::Get()->BeginTrace(class_name, function_name, "");
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}
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~ScopeTracer() { T::Get()->EndTrace(); }
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};
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} // namespace display
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#endif // __DEBUG_HANDLER_H__
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