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authorFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
commit9ce153ce7167c11adba8ac225edc7a707e97c6eb (patch)
tree9f6e849cce2dcc7e5b4e9e6252c843dc2d0787a2 /src/log.c
downloadnetdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.tar.xz
netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.zip
Imported Upstream version 1.0.0upstream/1.0.0
Diffstat (limited to 'src/log.c')
-rwxr-xr-xsrc/log.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/log.c b/src/log.c
new file mode 100755
index 000000000..7ab3f1a51
--- /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 );
+ }
+}
+