diff options
Diffstat (limited to 'src/mir_core/logger.cpp')
| -rw-r--r-- | src/mir_core/logger.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/mir_core/logger.cpp b/src/mir_core/logger.cpp new file mode 100644 index 0000000000..4d3781b6bd --- /dev/null +++ b/src/mir_core/logger.cpp @@ -0,0 +1,218 @@ +/*
+
+Miranda IM: the free IM client for Microsoft* Windows*
+
+Copyright 2000-12 Miranda IM, 2012-13 Miranda NG project,
+all portions of this codebase are copyrighted to the people
+listed in contributors.txt.
+
+This program 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 2
+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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "commonheaders.h"
+
+#define SECRET_SIGNATURE 0x87654321
+
+struct Logger
+{
+ Logger(const char* pszName, const TCHAR *ptszDescr, const TCHAR *ptszFilename, unsigned options) :
+ m_name( mir_strdup(pszName)),
+ m_descr( mir_tstrdup(ptszDescr)),
+ m_fileName( mir_tstrdup(ptszFilename)),
+ m_options(options),
+ m_signature(SECRET_SIGNATURE),
+ m_out(NULL),
+ m_lastwrite(0)
+ {
+ InitializeCriticalSection(&m_cs);
+ }
+
+ ~Logger()
+ {
+ if (m_out)
+ fclose(m_out);
+
+ DeleteCriticalSection(&m_cs);
+ }
+
+ int m_signature;
+ ptrA m_name;
+ ptrT m_fileName, m_descr;
+ FILE *m_out;
+ __int64 m_lastwrite;
+ unsigned m_options;
+
+ CRITICAL_SECTION m_cs;
+};
+
+static int CompareLoggers(const Logger *p1, const Logger *p2)
+{ return strcmp(p1->m_name, p2->m_name);
+}
+
+static OBJLIST<Logger> arLoggers(1, CompareLoggers);
+
+static __int64 llIdlePeriod;
+
+void InitLogs()
+{
+ LARGE_INTEGER li;
+ QueryPerformanceFrequency(&li);
+ llIdlePeriod = li.QuadPart * 10; // 10 seconds interval
+}
+
+void UninitLogs()
+{
+ arLoggers.destroy();
+}
+
+void CheckLogs()
+{
+ LARGE_INTEGER li;
+ QueryPerformanceCounter(&li);
+
+ for (int i=0; i < arLoggers.getCount(); i++) {
+ Logger &p = arLoggers[i];
+
+ mir_cslock lck(p.m_cs);
+ if (p.m_out && li.QuadPart - p.m_lastwrite > llIdlePeriod) {
+ fclose(p.m_out);
+ p.m_out = NULL;
+ }
+ else fflush(p.m_out);
+ }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////
+
+MIR_CORE_DLL(HANDLE) mir_createLog(const char* pszName, const TCHAR *ptszDescr, const TCHAR *ptszFile, unsigned options)
+{
+ if (ptszFile == NULL)
+ return NULL;
+
+ Logger *result = new Logger(pszName, ptszDescr, ptszFile, options);
+ if (result == NULL)
+ return NULL;
+
+ int idx = arLoggers.getIndex(result);
+ if (idx != -1) {
+ delete result;
+ return &arLoggers[idx];
+ }
+
+ FILE *fp = _tfopen(ptszFile, _T("ab"));
+ if (fp == NULL) {
+ TCHAR tszPath[MAX_PATH];
+ _tcsncpy_s(tszPath, SIZEOF(tszPath), ptszFile, _TRUNCATE);
+ CreatePathToFileT(tszPath);
+ }
+ else fclose(fp);
+
+ DeleteFile(ptszFile);
+ arLoggers.insert(result);
+ return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////
+
+static Logger* prepareLogger(HANDLE logger)
+{
+ if (logger == NULL)
+ return NULL;
+
+ Logger *p = (Logger*)logger;
+ return (p->m_signature == SECRET_SIGNATURE) ? p : NULL;
+}
+
+MIR_C_CORE_DLL(int) mir_writeLogA(HANDLE logger, const char *format, ...)
+{
+ Logger *p = prepareLogger(logger);
+ if (p == NULL)
+ return 1;
+
+ mir_cslock lck(p->m_cs);
+ if (p->m_out == NULL)
+ if ((p->m_out = _tfopen(p->m_fileName, _T("ab"))) == NULL)
+ return 2;
+
+ va_list args;
+ va_start(args, format);
+ vfprintf(p->m_out, format, args);
+
+ LARGE_INTEGER li;
+ QueryPerformanceCounter(&li);
+ p->m_lastwrite = li.QuadPart;
+ return 0;
+}
+
+MIR_C_CORE_DLL(int) mir_writeLogW(HANDLE logger, const WCHAR *format, ...)
+{
+ Logger *p = prepareLogger(logger);
+ if (p == NULL)
+ return 1;
+
+ mir_cslock lck(p->m_cs);
+ if (p->m_out == NULL)
+ if ((p->m_out = _tfopen(p->m_fileName, _T("ab"))) == NULL)
+ return 2;
+
+ va_list args;
+ va_start(args, format);
+ vfwprintf(p->m_out, format, args);
+
+ LARGE_INTEGER li;
+ QueryPerformanceCounter(&li);
+ p->m_lastwrite = li.QuadPart;
+ return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////
+
+MIR_CORE_DLL(int) mir_writeLogVA(HANDLE logger, const char *format, va_list args)
+{
+ Logger *p = prepareLogger(logger);
+ if (p == NULL)
+ return 1;
+
+ mir_cslock lck(p->m_cs);
+ if (p->m_out == NULL)
+ if ((p->m_out = _tfopen(p->m_fileName, _T("ab"))) == NULL)
+ return 2;
+
+ vfprintf(p->m_out, format, args);
+
+ LARGE_INTEGER li;
+ QueryPerformanceCounter(&li);
+ p->m_lastwrite = li.QuadPart;
+ return 0;
+}
+
+MIR_CORE_DLL(int) mir_writeLogVW(HANDLE logger, const WCHAR *format, va_list args)
+{
+ Logger *p = prepareLogger(logger);
+ if (p == NULL)
+ return 1;
+
+ mir_cslock lck(p->m_cs);
+ if (p->m_out == NULL)
+ if ((p->m_out = _tfopen(p->m_fileName, _T("ab"))) == NULL)
+ return 2;
+
+ vfwprintf(p->m_out, format, args);
+
+ LARGE_INTEGER li;
+ QueryPerformanceCounter(&li);
+ p->m_lastwrite = li.QuadPart;
+ return 0;
+}
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