2 Copyright (c) 2004-2008, John Hurst
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
8 1. Redistributions of source code must retain the above copyright
9 notice, this list of conditions and the following disclaimer.
10 2. Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13 3. The name of the author may not be used to endorse or promote products
14 derived from this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 \brief message logging API
35 #include <sys/types.h>
42 #define getpid GetCurrentProcessId
47 //------------------------------------------------------------------------------------------
51 Kumu::ILogSink::vLogf(LogType_t type, const char* fmt, va_list* list)
53 char buf[MaxLogLength];
54 vsnprintf(buf, MaxLogLength, fmt, *list);
56 WriteEntry(LogEntry(getpid(), type, buf));
59 //------------------------------------------------------------------------------------------
62 static Kumu::Mutex s_DefaultLogSinkLock;
63 static Kumu::ILogSink* s_DefaultLogSink = 0;
64 static Kumu::StdioLogSink s_StderrLogSink;
68 Kumu::SetDefaultLogSink(ILogSink* Sink)
70 AutoMutex L(s_DefaultLogSinkLock);
71 s_DefaultLogSink = Sink;
74 // Returns the internal default sink.
76 Kumu::DefaultLogSink()
78 AutoMutex L(s_DefaultLogSinkLock);
80 if ( s_DefaultLogSink == 0 )
81 s_DefaultLogSink = &s_StderrLogSink;
83 return *s_DefaultLogSink;
87 //------------------------------------------------------------------------------------------
91 Kumu::EntryListLogSink::WriteEntry(const LogEntry& Entry)
95 if ( Entry.TestFilter(m_filter) )
96 m_Target.push_back(Entry);
99 //------------------------------------------------------------------------------------------
103 Kumu::StdioLogSink::WriteEntry(const LogEntry& Entry)
108 if ( Entry.TestFilter(m_filter) )
110 Entry.CreateStringWithOptions(buf, m_options);
111 fputs(buf.c_str(), m_stream);
115 //---------------------------------------------------------------------------------
120 Kumu::WinDbgLogSink::WriteEntry(const LogEntry& Entry)
125 if ( Entry.TestFilter(m_filter) )
127 Entry.CreateStringWithOptions(buf, m_options);
128 ::OutputDebugString(buf.c_str());
133 //------------------------------------------------------------------------------------------
139 Kumu::StreamLogSink::WriteEntry(const LogEntry& Entry)
144 if ( Entry.TestFilter(m_filter) )
146 Entry.CreateStringWithOptions(buf, m_options);
147 write(m_fd, buf.c_str(), buf.size());
152 //------------------------------------------------------------------------------------------
155 std::basic_ostream<char, std::char_traits<char> >&
156 Kumu::operator<<(std::basic_ostream<char, std::char_traits<char> >& strm, LogEntry const& Entry)
158 std::basic_ostringstream<char, std::char_traits<char> > s;
163 s << Entry.CreateStringWithOptions(buf, LOG_OPTION_ALL);
169 //------------------------------------------------------------------------------------------
174 Kumu::LogEntry::TestFilter(i32_t filter) const
179 if ( (filter & LOG_ALLOW_CRIT) == 0 )
184 if ( (filter & LOG_ALLOW_ALERT) == 0 )
189 if ( (filter & LOG_ALLOW_NOTICE) == 0 )
194 if ( (filter & LOG_ALLOW_ERROR) == 0 )
199 if ( (filter & LOG_ALLOW_WARN) == 0 )
204 if ( (filter & LOG_ALLOW_INFO) == 0 )
209 if ( (filter & LOG_ALLOW_DEBUG) == 0 )
220 Kumu::LogEntry::CreateStringWithOptions(std::string& out_buf, i32_t opt) const
228 if ( (opt & LOG_OPTION_TIMESTAMP) != 0 )
231 out_buf += Now.EncodeString(buf, 64);
234 if ( (opt & LOG_OPTION_PID) != 0 )
236 if ( ! out_buf.empty() ) out_buf += " ";
237 snprintf(buf, 64, "%d", PID);
241 if ( (opt & LOG_OPTION_TYPE) != 0 )
243 if ( ! out_buf.empty() ) out_buf += " ";
247 case LOG_CRIT: out_buf += "CRT"; break;
248 case LOG_ALERT: out_buf += "ALR"; break;
249 case LOG_NOTICE: out_buf += "NTC"; break;
250 case LOG_ERROR: out_buf += "ERR"; break;
251 case LOG_WARN: out_buf += "WRN"; break;
252 case LOG_INFO: out_buf += "INF"; break;
253 case LOG_DEBUG: out_buf += "DBG"; break;
254 default: out_buf += "DFL"; break;
258 out_buf.insert(0, "[");
269 Kumu::LogEntry::ArchiveLength() const
271 return sizeof(ui32_t)
272 + EventTime.ArchiveLength()
274 + sizeof(ui32_t) + Msg.size();
279 Kumu::LogEntry::Archive(Kumu::MemIOWriter* Writer) const
281 if ( ! Writer->WriteUi32BE(PID) ) return false;
282 if ( ! EventTime.Archive(Writer) ) return false;
283 if ( ! Writer->WriteUi32BE(Type) ) return false;
284 if ( ! ArchiveString(*Writer, Msg) ) return false;
290 Kumu::LogEntry::Unarchive(Kumu::MemIOReader* Reader)
292 if ( ! Reader->ReadUi32BE(&PID) ) return false;
293 if ( ! EventTime.Unarchive(Reader) ) return false;
294 if ( ! Reader->ReadUi32BE((ui32_t*)&Type) ) return false;
295 if ( ! UnarchiveString(*Reader, Msg) ) return false;