2 Copyright (c) 2004-2007, 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
34 #include <sys/types.h>
39 #define getpid GetCurrentProcessId
44 //------------------------------------------------------------------------------------------
48 Kumu::ILogSink::vLogf(LogType_t type, const char* fmt, va_list* list)
50 char buf[MaxLogLength];
51 vsnprintf(buf, MaxLogLength, fmt, *list);
53 WriteEntry(LogEntry(getpid(), type, buf));
56 //------------------------------------------------------------------------------------------
59 static Kumu::ILogSink* s_DefaultLogSink;
60 static Kumu::StdioLogSink s_StderrLogSink;
64 Kumu::SetDefaultLogSink(ILogSink* Sink)
66 s_DefaultLogSink = Sink;
69 // Returns the internal default sink.
71 Kumu::DefaultLogSink()
73 if ( s_DefaultLogSink == 0 )
74 s_DefaultLogSink = &s_StderrLogSink;
76 return *s_DefaultLogSink;
80 //------------------------------------------------------------------------------------------
84 Kumu::EntryListLogSink::WriteEntry(const LogEntry& Entry)
88 if ( Entry.TestFilter(m_filter) )
89 m_Target.push_back(Entry);
92 //------------------------------------------------------------------------------------------
96 Kumu::StdioLogSink::WriteEntry(const LogEntry& Entry)
101 if ( Entry.TestFilter(m_filter) )
103 Entry.CreateStringWithOptions(buf, m_options);
104 fputs(buf.c_str(), m_stream);
108 //---------------------------------------------------------------------------------
113 Kumu::WinDbgLogSink::WriteEntry(const LogEntry& Entry)
118 if ( Entry.TestFilter(m_filter) )
120 Entry.CreateStringWithOptions(buf, m_options);
121 ::OutputDebugString(buf.c_str());
126 //------------------------------------------------------------------------------------------
132 Kumu::StreamLogSink::WriteEntry(const LogEntry& Entry)
137 if ( Entry.TestFilter(m_filter) )
139 Entry.CreateStringWithOptions(buf, m_options);
140 write(m_fd, buf.c_str(), buf.size());
145 //------------------------------------------------------------------------------------------
149 Kumu::LogEntry::TestFilter(i32_t filter) const
154 if ( (filter & LOG_ALLOW_CRIT) == 0 )
159 if ( (filter & LOG_ALLOW_ALERT) == 0 )
164 if ( (filter & LOG_ALLOW_NOTICE) == 0 )
169 if ( (filter & LOG_ALLOW_ERROR) == 0 )
174 if ( (filter & LOG_ALLOW_WARN) == 0 )
179 if ( (filter & LOG_ALLOW_INFO) == 0 )
184 if ( (filter & LOG_ALLOW_DEBUG) == 0 )
195 Kumu::LogEntry::CreateStringWithOptions(std::string& out_buf, i32_t opt) const
203 if ( (opt & LOG_OPTION_TIMESTAMP) != 0 )
206 out_buf += Now.EncodeString(buf, 64);
209 if ( (opt & LOG_OPTION_PID) != 0 )
211 if ( ! out_buf.empty() ) out_buf += " ";
212 snprintf(buf, 64, "%d", PID);
216 if ( (opt & LOG_OPTION_TYPE) != 0 )
218 if ( ! out_buf.empty() ) out_buf += " ";
222 case LOG_CRIT: out_buf += "CRT"; break;
223 case LOG_ALERT: out_buf += "ALR"; break;
224 case LOG_NOTICE: out_buf += "NTC"; break;
225 case LOG_ERROR: out_buf += "ERR"; break;
226 case LOG_WARN: out_buf += "WRN"; break;
227 case LOG_INFO: out_buf += "INF"; break;
228 case LOG_DEBUG: out_buf += "DBG"; break;
229 default: out_buf += "DFL"; break;
233 out_buf.insert(0, "[");
244 Kumu::LogEntry::ArchiveLength() const
246 return sizeof(ui32_t)
247 + EventTime.ArchiveLength()
249 + sizeof(ui32_t) + Msg.size();
254 Kumu::LogEntry::Archive(Kumu::MemIOWriter* Writer) const
256 if ( ! Writer->WriteUi32BE(PID) ) return false;
257 if ( ! EventTime.Archive(Writer) ) return false;
258 if ( ! Writer->WriteUi32BE(Type) ) return false;
259 if ( ! ArchiveString(*Writer, Msg) ) return false;
265 Kumu::LogEntry::Unarchive(Kumu::MemIOReader* Reader)
267 if ( ! Reader->ReadUi32BE(&PID) ) return false;
268 if ( ! EventTime.Unarchive(Reader) ) return false;
269 if ( ! Reader->ReadUi32BE((ui32_t*)&Type) ) return false;
270 if ( ! UnarchiveString(*Reader, Msg) ) return false;