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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-13 10:29:39 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-13 10:29:39 +0200
commita5c50a4f262f0a880734623f79d4dc2f1aa8a0a2 (patch)
tree1772ef47d98a68245c3d04d95637e5b9c1040904 /src/Log.h
parent69aba72f0883c5effb5c3c2991d0c5257deb7409 (diff)
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Pull in files from odr-mmbtools-common
Replace ASIO by simpler implementation, meaning that the telnet RC now only supports a single connection. Move Log, RC to lib/
Diffstat (limited to 'src/Log.h')
-rw-r--r--src/Log.h200
1 files changed, 0 insertions, 200 deletions
diff --git a/src/Log.h b/src/Log.h
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@@ -1,200 +0,0 @@
-/*
- Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
- Her Majesty the Queen in Right of Canada (Communications Research
- Center Canada)
-
- Copyright (C) 2018
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMod.
-
- ODR-DabMod is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMod is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdarg.h>
-#include <stdio.h>
-#include <syslog.h>
-#include <fstream>
-#include <sstream>
-#include <iostream>
-#include <list>
-#include <stdexcept>
-#include <string>
-#include <map>
-#include <mutex>
-#include <memory>
-#include <thread>
-#include "ThreadsafeQueue.h"
-
-#define SYSLOG_IDENT "ODR-DabMod"
-#define SYSLOG_FACILITY LOG_LOCAL0
-
-enum log_level_t {debug = 0, info, warn, error, alert, emerg, trace};
-
-static const std::string levels_as_str[] =
- { " ", " ", "WARN ", "ERROR", "ALERT", "EMERG", "TRACE"} ;
-
-/** Abstract class all backends must inherit from */
-class LogBackend {
- public:
- virtual ~LogBackend() {};
- virtual void log(log_level_t level, const std::string& message) = 0;
- virtual std::string get_name() const = 0;
-};
-
-/** A Logging backend for Syslog */
-class LogToSyslog : public LogBackend {
- public:
- LogToSyslog() : name("SYSLOG") {
- openlog(SYSLOG_IDENT, LOG_PID, SYSLOG_FACILITY);
- }
-
- virtual ~LogToSyslog() {
- closelog();
- }
-
- void log(log_level_t level, const std::string& message);
-
- std::string get_name() const { return name; }
-
- private:
- const std::string name;
-
- LogToSyslog(const LogToSyslog& other) = delete;
- const LogToSyslog& operator=(const LogToSyslog& other) = delete;
-};
-
-class LogToFile : public LogBackend {
- public:
- LogToFile(const std::string& filename);
- void log(log_level_t level, const std::string& message);
- std::string get_name() const { return name; }
-
- private:
- const std::string name;
-
- struct FILEDeleter{ void operator()(FILE* fd){ if(fd) fclose(fd);}};
- std::unique_ptr<FILE, FILEDeleter> log_file;
-
- LogToFile(const LogToFile& other) = delete;
- const LogToFile& operator=(const LogToFile& other) = delete;
-};
-
-class LogTracer : public LogBackend {
- public:
- LogTracer(const std::string& filename);
- void log(log_level_t level, const std::string& message);
- std::string get_name() const { return name; }
- private:
- std::string name;
- uint64_t m_trace_micros_startup = 0;
-
- struct FILEDeleter{ void operator()(FILE* fd){ if(fd) fclose(fd);}};
- std::unique_ptr<FILE, FILEDeleter> m_trace_file;
-
- LogTracer(const LogTracer& other) = delete;
- const LogTracer& operator=(const LogTracer& other) = delete;
-};
-
-class LogLine;
-
-struct log_message_t {
- log_message_t(log_level_t _level, std::string&& _message) :
- level(_level),
- message(move(_message)) {}
-
- log_message_t() :
- level(debug),
- message("") {}
-
- log_level_t level;
- std::string message;
-};
-
-class Logger {
- public:
- Logger() {
- m_io_thread = std::thread(&Logger::io_process, this);
- }
-
- Logger(const Logger& other) = delete;
- const Logger& operator=(const Logger& other) = delete;
- ~Logger() {
- m_message_queue.trigger_wakeup();
- m_io_thread.join();
- }
-
- void register_backend(std::shared_ptr<LogBackend> backend);
-
- /* Log the message to all backends */
- void log(log_level_t level, const char* fmt, ...);
-
- void logstr(log_level_t level, std::string&& message);
-
- /* All logging IO is done in another thread */
- void io_process(void);
-
- /* Return a LogLine for the given level
- * so that you can write etiLog.level(info) << "stuff = " << 21 */
- LogLine level(log_level_t level);
-
- private:
- std::list<std::shared_ptr<LogBackend> > backends;
-
- ThreadsafeQueue<log_message_t> m_message_queue;
- std::thread m_io_thread;
- std::mutex m_cerr_mutex;
-};
-
-extern Logger etiLog;
-
-// Accumulate a line of logs, using same syntax as stringstream
-// The line is logged when the LogLine gets destroyed
-class LogLine {
- public:
- LogLine(const LogLine& logline);
- const LogLine& operator=(const LogLine& other) = delete;
- LogLine(Logger* logger, log_level_t level) :
- logger_(logger)
- {
- level_ = level;
- }
-
- // Push the new element into the stringstream
- template <typename T>
- LogLine& operator<<(T s) {
- os << s;
- return *this;
- }
-
- ~LogLine()
- {
- logger_->logstr(level_, os.str());
- }
-
- private:
- std::ostringstream os;
- log_level_t level_;
- Logger* logger_;
-};
-