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00001 /* 00002 * File: SyslogStream.h 00003 * Author: morgenro 00004 * 00005 * Created on 17. November 2009, 13:43 00006 * 00007 * Copyright 2011 Johannes Morgenroth, IBR, TU Braunschweig 00008 * 00009 * Licensed under the Apache License, Version 2.0 (the "License"); 00010 * you may not use this file except in compliance with the License. 00011 * You may obtain a copy of the License at 00012 * 00013 * http://www.apache.org/licenses/LICENSE-2.0 00014 * 00015 * Unless required by applicable law or agreed to in writing, software 00016 * distributed under the License is distributed on an "AS IS" BASIS, 00017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00018 * See the License for the specific language governing permissions and 00019 * limitations under the License. 00020 */ 00021 00022 #ifndef IBRCOMMON_SYSLOGSTREAM_H 00023 #define IBRCOMMON_SYSLOGSTREAM_H 00024 00025 #include <vector> 00026 #include <syslog.h> 00027 #include <iostream> 00028 #include <string.h> 00029 00030 namespace ibrcommon 00031 { 00032 enum SyslogPriority 00033 { 00034 SYSLOG_EMERG = LOG_EMERG, /* system is unusable */ 00035 SYSLOG_ALERT = LOG_ALERT, /* action must be taken immediately */ 00036 SYSLOG_CRIT = LOG_CRIT, /* critical conditions */ 00037 SYSLOG_ERR = LOG_ERR, /* error conditions */ 00038 SYSLOG_WARNING = LOG_WARNING, /* warning conditions */ 00039 SYSLOG_NOTICE = LOG_NOTICE, /* normal but significant condition */ 00040 SYSLOG_INFO = LOG_INFO, /* informational */ 00041 SYSLOG_DEBUG = LOG_DEBUG /* debug-level messages */ 00042 }; 00043 00044 std::ostream &operator<<(std::ostream &stream, const SyslogPriority &prio); 00045 00046 class SyslogStream : public std::streambuf 00047 { 00048 private: 00049 enum { BUF_SIZE = 256 }; 00050 00051 public: 00052 SyslogStream(); 00053 virtual ~SyslogStream(); 00054 00055 static std::ostream& getStream(); 00056 static void open(char *name, int option, int facility); 00057 00058 void setPriority(const SyslogPriority &prio); 00059 00060 protected: 00061 virtual int sync(); 00062 00063 private: 00064 void writeToDevice(); 00065 std::vector< char_type > m_buf; 00066 SyslogPriority _prio; 00067 }; 00068 00069 extern std::ostream &slog; 00070 } 00071 00072 #endif /* _SYSLOGSTREAM_H */ 00073