124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/*
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This file is part of progminer.
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progminer is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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progminer is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with progminer. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Log.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*
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* The logging subsystem.
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*/
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#pragma once
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#include <chrono>
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#include <ctime>
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#include "Common.h"
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#include "CommonData.h"
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#include "FixedHash.h"
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#include "Terminal.h"
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#include "vector_ref.h"
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/// The logging system's current verbosity.
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#define LOG_JSON 1
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#define LOG_PER_GPU 2
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#ifndef DEV_BUILD
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#define LOG_NEXT 4
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#else
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#define LOG_CONNECT 32
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#define LOG_SWITCH 64
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#define LOG_SUBMIT 128
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#define LOG_COMPILE 256
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#define LOG_NEXT 512
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#endif
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extern unsigned g_logOptions;
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extern bool g_logNoColor;
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extern bool g_logSyslog;
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extern bool g_logStdout;
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namespace dev
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{
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/// A simple log-output function that prints log messages to stdout.
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void simpleDebugOut(std::string const&);
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/// Set the current thread's log name.
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void setThreadName(char const* _n);
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/// Set the current thread's log name.
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std::string getThreadName();
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/// The default logging channels. Each has an associated verbosity and three-letter prefix (name()
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/// ). Channels should inherit from LogChannel and define name() and verbosity.
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struct LogChannel
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{
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static const char* name();
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};
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struct WarnChannel : public LogChannel
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{
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static const char* name();
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};
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struct NoteChannel : public LogChannel
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{
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static const char* name();
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};
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class LogOutputStreamBase
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{
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public:
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LogOutputStreamBase(char const* _id);
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template <class T>
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void append(T const& _t)
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{
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m_sstr << _t;
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}
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protected:
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std::stringstream m_sstr; ///< The accrued log entry.
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};
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/// Logging class, iostream-like, that can be shifted to.
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template <class Id>
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class LogOutputStream : LogOutputStreamBase
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{
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public:
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/// Construct a new object.
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/// If _term is true the the prefix info is terminated with a ']' character; if not it ends only
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/// with a '|' character.
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LogOutputStream() : LogOutputStreamBase(Id::name()) {}
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/// Destructor. Posts the accrued log entry to the g_logPost function.
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~LogOutputStream() { simpleDebugOut(m_sstr.str()); }
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/// Shift arbitrary data to the log. Spaces will be added between items as required.
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template <class T>
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LogOutputStream& operator<<(T const& _t)
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{
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append(_t);
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return *this;
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}
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};
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#define clog(X) dev::LogOutputStream<X>()
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// Simple cout-like stream objects for accessing common log channels.
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// Dirties the global namespace, but oh so convenient...
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#define cnote clog(dev::NoteChannel)
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#define cwarn clog(dev::WarnChannel)
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} // namespace dev
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