1 files changed, 157 insertions, 0 deletions
diff --git a/src/log.c b/src/log.c
new file mode 100755
index 00000000..7ab3f1a5
--- /dev/null
+++ b/src/log.c
@@ -0,0 +1,157 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <time.h>
+#include <syslog.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "log.h"
+#include "common.h"
+
+
+// ----------------------------------------------------------------------------
+// LOG
+
+const char *program_name = "";
+unsigned long long debug_flags = DEBUG;
+
+int silent = 0;
+
+int access_fd = -1;
+FILE *stdaccess = NULL;
+
+int access_log_syslog = 1;
+int error_log_syslog = 1;
+int output_log_syslog = 1;	// debug log
+
+void log_date(FILE *out)
+{
+		char outstr[200];
+		time_t t;
+		struct tm *tmp, tmbuf;
+
+		t = time(NULL);
+		tmp = localtime_r(&t, &tmbuf);
+
+		if (tmp == NULL) return;
+		if (strftime(outstr, sizeof(outstr), "%y-%m-%d %H:%M:%S", tmp) == 0) return;
+
+		fprintf(out, "%s: ", outstr);
+}
+
+void debug_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stdout);
+	va_start( args, fmt );
+	fprintf(stdout, "DEBUG (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
+	vfprintf( stdout, fmt, args );
+	va_end( args );
+	fprintf(stdout, "\n");
+
+	if(output_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_ERR,  fmt, args );
+		va_end( args );
+	}
+}
+
+void info_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stderr);
+
+	va_start( args, fmt );
+	if(debug_flags) fprintf(stderr, "INFO (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
+	else            fprintf(stderr, "INFO: %s: ", program_name);
+	vfprintf( stderr, fmt, args );
+	va_end( args );
+
+	fprintf(stderr, "\n");
+
+	if(error_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_INFO,  fmt, args );
+		va_end( args );
+	}
+}
+
+void error_int( const char *prefix, const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stderr);
+
+	va_start( args, fmt );
+	if(debug_flags) fprintf(stderr, "%s (%04lu@%-10.10s:%-15.15s): %s: ", prefix, line, file, function, program_name);
+	else            fprintf(stderr, "%s: %s: ", prefix, program_name);
+	vfprintf( stderr, fmt, args );
+	va_end( args );
+
+	if(errno) {
+		char buf[200];
+		char *s = strerror_r(errno, buf, 200);
+		fprintf(stderr, " (errno %d, %s)\n", errno, s);
+		errno = 0;
+	}
+	else fprintf(stderr, "\n");
+
+	if(error_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_ERR,  fmt, args );
+		va_end( args );
+	}
+}
+
+void fatal_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... )
+{
+	va_list args;
+
+	log_date(stderr);
+
+	va_start( args, fmt );
+	if(debug_flags) fprintf(stderr, "FATAL (%04lu@%-10.10s:%-15.15s): %s: ", line, file, function, program_name);
+	else            fprintf(stderr, "FATAL: %s: ", program_name);
+	vfprintf( stderr, fmt, args );
+	va_end( args );
+
+	perror(" # ");
+	fprintf(stderr, "\n");
+
+	if(error_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_CRIT,  fmt, args );
+		va_end( args );
+	}
+
+	exit(1);
+}
+
+void log_access( const char *fmt, ... )
+{
+	va_list args;
+
+	if(stdaccess) {
+		log_date(stdaccess);
+
+		va_start( args, fmt );
+		vfprintf( stdaccess, fmt, args );
+		va_end( args );
+		fprintf( stdaccess, "\n");
+#ifdef NETDATA_INTERNAL_CHECKS
+		fflush( stdaccess );
+#endif
+	}
+
+	if(access_log_syslog) {
+		va_start( args, fmt );
+		vsyslog(LOG_INFO,  fmt, args );
+		va_end( args );
+	}
+}
+