Remove 'stg' prefixes from headers and add it to libraries

[stg.git] / stglibs / logger.lib / logger.cpp

diff --git a/stglibs/logger.lib/logger.cpp b/stglibs/logger.lib/logger.cpp
new file mode 100644 (file)
index 0000000..18c9de7
--- /dev/null
+++ b/stglibs/logger.lib/logger.cpp
@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <syslog.h>
+
+#include "logger.h"
+
+#ifdef STG_TIME
+extern const volatile time_t stgTime;
+#endif
+//-----------------------------------------------------------------------------
+STG_LOGGER & GetStgLogger()
+{
+static STG_LOGGER logger;
+return logger;
+}
+//-----------------------------------------------------------------------------
+STG_LOGGER::STG_LOGGER()
+    : fileName()
+{
+pthread_mutex_init(&mutex, NULL);
+}
+//-----------------------------------------------------------------------------
+STG_LOGGER::~STG_LOGGER()
+{
+pthread_mutex_destroy(&mutex);
+}
+//-----------------------------------------------------------------------------
+void STG_LOGGER::SetLogFileName(const std::string & fn)
+{
+STG_LOGGER_LOCKER lock(&mutex);
+fileName = fn;
+}
+//-----------------------------------------------------------------------------
+void STG_LOGGER::operator()(const char * fmt, ...)
+{
+STG_LOGGER_LOCKER lock(&mutex);
+
+char buff[2048];
+
+va_list vl;
+va_start(vl, fmt);
+vsnprintf(buff, sizeof(buff), fmt, vl);
+va_end(vl);
+
+FILE * f;
+if (!fileName.empty())
+    {
+    f = fopen(fileName.c_str(), "at");
+    if (f)
+        {
+        #ifdef STG_TIME
+        fprintf(f, "%s", LogDate(stgTime));
+        #else
+        fprintf(f, "%s", LogDate(time(NULL)));
+        #endif
+        fprintf(f, " -- ");
+        fprintf(f, "%s", buff);
+        fprintf(f, "\n");
+        fclose(f);
+        }
+    else
+        {
+        openlog("stg", LOG_NDELAY, LOG_USER);
+        syslog(LOG_CRIT, "%s", buff);
+        closelog();
+        }
+    }
+else
+    {
+    openlog("stg", LOG_NDELAY, LOG_USER);
+    syslog(LOG_CRIT, "%s", buff);
+    closelog();
+    }
+}
+//-----------------------------------------------------------------------------
+const char * STG_LOGGER::LogDate(time_t t)
+{
+static char s[32];
+if (t == 0)
+    t = time(NULL);
+
+struct tm * tt = localtime(&t);
+
+snprintf(s, 32, "%d-%s%d-%s%d %s%d:%s%d:%s%d",
+         tt->tm_year + 1900,
+         tt->tm_mon + 1 < 10 ? "0" : "", tt->tm_mon + 1,
+         tt->tm_mday    < 10 ? "0" : "", tt->tm_mday,
+         tt->tm_hour    < 10 ? "0" : "", tt->tm_hour,
+         tt->tm_min     < 10 ? "0" : "", tt->tm_min,
+         tt->tm_sec     < 10 ? "0" : "", tt->tm_sec);
+
+return s;
+}
+//-----------------------------------------------------------------------------