| /* |
| * Copyright 2009, 2010 Free Software Foundation, Inc. |
| * Copyright 2010 Kestrel Signal Processing, Inc. |
| * Copyright 2011, 2012 Range Networks, Inc. |
| * |
| * |
| * This software is distributed under the terms of the GNU Affero Public License. |
| * See the COPYING file in the main directory for details. |
| * |
| * This use of this software may be subject to additional restrictions. |
| * See the LEGAL file in the main directory for details. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Affero General Public License as published by |
| the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| */ |
| |
| #include <string.h> |
| #include <cstdio> |
| #include <fstream> |
| #include <string> |
| #include <stdarg.h> |
| #include <sys/time.h> // For gettimeofday |
| |
| #include "Logger.h" |
| #include "Threads.h" // pat added |
| |
| using namespace std; |
| |
| Mutex gLogToLock; |
| |
| // Global log level threshold: |
| int config_log_level; |
| |
| /** Names of the logging levels. */ |
| const char *levelNames[] = { |
| "EMERG", "ALERT", "CRIT", "ERR", "WARNING", "NOTICE", "INFO", "DEBUG" |
| }; |
| int numLevels = 8; |
| |
| |
| int levelStringToInt(const string& name) |
| { |
| // Reverse search, since the numerically larger levels are more common. |
| for (int i=numLevels-1; i>=0; i--) { |
| if (name == levelNames[i]) return i; |
| } |
| |
| // Common substitutions. |
| if (name=="INFORMATION") return 6; |
| if (name=="WARN") return 4; |
| if (name=="ERROR") return 3; |
| if (name=="CRITICAL") return 2; |
| if (name=="EMERGENCY") return 0; |
| |
| // Unknown level. |
| return -1; |
| } |
| |
| static std::string format(const char *fmt, ...) |
| { |
| va_list ap; |
| char buf[300]; |
| va_start(ap,fmt); |
| int n = vsnprintf(buf,300,fmt,ap); |
| va_end(ap); |
| if (n >= (300-4)) { strcpy(&buf[(300-4)],"..."); } |
| return std::string(buf); |
| } |
| |
| const std::string timestr() |
| { |
| struct timeval tv; |
| struct tm tm; |
| gettimeofday(&tv,NULL); |
| localtime_r(&tv.tv_sec,&tm); |
| unsigned tenths = tv.tv_usec / 100000; // Rounding down is ok. |
| return format(" %02d:%02d:%02d.%1d",tm.tm_hour,tm.tm_min,tm.tm_sec,tenths); |
| } |
| |
| std::ostream& operator<<(std::ostream& os, std::ostringstream& ss) |
| { |
| return os << ss.str(); |
| } |
| |
| Log::~Log() |
| { |
| // Anything at or above LOG_CRIT is an "alarm". |
| if (mPriority <= LOG_ERR) { |
| cerr << mStream.str() << endl; |
| } |
| |
| int mlen = mStream.str().size(); |
| int neednl = (mlen==0 || mStream.str()[mlen-1] != '\n'); |
| ScopedLock lock(gLogToLock); |
| // The COUT() macro prevents messages from stomping each other but adds uninteresting thread numbers, |
| // so just use std::cout. |
| std::cout << mStream.str(); |
| if (neednl) std::cout<<"\n"; |
| } |
| |
| ostringstream& Log::get() |
| { |
| assert(mPriority<numLevels); |
| mStream << levelNames[mPriority] << ' '; |
| return mStream; |
| } |
| |
| |
| |
| void gLogInit(const char* level, char *fn) |
| { |
| // Set the level if one has been specified. |
| if (level) |
| config_log_level = levelStringToInt(level); |
| } |
| |
| // vim: ts=4 sw=4 |