better stdout debugging mode

inc/context.h

@@ -9,4 +9,5 @@ typedef struct {
     uint64_t query_counter;
     bool stdout_dbg;
     TS_RESP_CTX *resp_ctx;
+    int loglevel;
 } rfc3161_context;

src/cmd/uts-server.c

@@ -60,6 +60,7 @@ int main(int argc, char **argv) {
     struct arguments args;
     args.conffile = NULL;
     args.daemonize = 0;
+    args.stdout_dbg = 0;
     argp_parse(&argp, argc, argv, 0, 0, &args);
 
     if (args.daemonize)

src/lib/http.c

@@ -110,12 +110,13 @@ int http_server_start(char *conffile, bool stdout_dbg) {
     // Prepare callbacks structure. We have only one callback, the rest are
     // NULL.
     memset(&callbacks, 0, sizeof(callbacks));
-    //callbacks.begin_request = begin_request_handler;
+    // callbacks.begin_request = begin_request_handler;
 
     // Start the web server.
     ctx = mg_start(&callbacks, NULL, options);
     rfc3161_context *ct = (rfc3161_context *)calloc(1, sizeof(rfc3161_context));
     ct->stdout_dbg = stdout_dbg;
+    ct->loglevel = 8;
     mg_set_request_handler(ctx, "/", rfc3161_handler, (void *)ct);
 
     // Wait until user hits "enter". Server is running in separate thread.

src/lib/utils.c

@@ -60,6 +60,10 @@ void skeleton_daemon() {
 }
 
 void logger(rfc3161_context *ct, int priority, char *fmt, ...) {
+    // ignore all messages less critical than the loglevel
+    // except if the debug flag is set
+    if (priority > ct->loglevel && !ct->stdout_dbg)
+        return;
     FILE *stream;
     char *out;
     size_t len;
@@ -69,10 +73,36 @@ void logger(rfc3161_context *ct, int priority, char *fmt, ...) {
     va_start(args, fmt);
     vfprintf(stream, fmt, args);
     va_end(args);
-
     fflush(stream);
     fclose(stream);
-    printf(out);
+    if (ct->stdout_dbg) {
+        switch (priority) {
+        case LOG_EMERG:
+            printf("LOG_EMER   : %s", out);
+            ;
+        case LOG_ALERT:
+            printf("LOG_ALERT  : %s", out);
+            ;
+        case LOG_CRIT:
+            printf("LOG_CRIT   : %s", out);
+            ;
+        case LOG_ERR:
+            printf("LOG_ERR    : %s", out);
+            ;
+        case LOG_WARNING:
+            printf("LOG_WARNING: %s", out);
+            ;
+        case LOG_NOTICE:
+            printf("LOG_NOTICE : %s", out);
+            ;
+        case LOG_INFO:
+            printf("LOG_INFO   : %s", out);
+            ;
+        case LOG_DEBUG:
+            printf("LOG_DEBUG  : %s", out);
+            ;
+        }
+    }
     syslog(priority, out);
     free(out);
 }