varnishevent: dump the config to log on USR1 and ABRT signals

bin/varnishevent/config.c

@@ -190,6 +190,7 @@ CONF_Init(void)
     config.log_file[0] = '\0';
     config.varnish_bindump[0] = '\0';
     config.syslog_facility = LOG_LOCAL0;
+    strcpy(config.syslog_facility_name, "LOCAL0");
     config.monitor_interval = 30;
     config.output_bufsiz = BUFSIZ;
 
@@ -267,9 +268,8 @@ CONF_ReadFile(const char *file) {
 }
 
 #define confdump(str,val) \
-    LOG_Log(LOG_DEBUG, "config: " str, (val))
+    LOG_Log(LOG_INFO, "config: " str, (val))
 
-#if 0
 void
 CONF_Dump(void)
 {
@@ -281,12 +281,20 @@ CONF_Dump(void)
     confdump("output.file = %s",
         EMPTY(config.output_file) ? "stdout" : config.output_file);
     confdump("append = %u", config.append);
+    confdump("cformat = %s", config.cformat);
+    confdump("bformat = %s", config.bformat);
+    confdump("zformat = %s", config.zformat);
     confdump("syslog.facility = %s", config.syslog_facility_name);
+    confdump("syslog.ident = %s", config.syslog_ident);
     confdump("monitor.interval = %u", config.monitor_interval);
     confdump("max.reclen = %u", config.max_reclen);
     confdump("max.headers = %u", config.max_headers);
+    confdump("max.vcl_log = %u", config.max_vcl_log);
+    confdump("max.vcl_call = %u", config.max_vcl_call);
     confdump("max.fd = %u", config.max_fd);
     confdump("max.data = %u", config.max_data);
+    confdump("housekeep.interval = %u", config.housekeep_interval);
+    confdump("ttl = %u", config.ttl);
+    confdump("output.bufsiz = %u", config.output_bufsiz);
     confdump("user = %s", config.user_name);
 }
-#endif

bin/varnishevent/handler.c

@@ -178,6 +178,7 @@ HNDL_Abort(int sig)
     LOG_Log(LOG_ALERT, "Received signal %d (%s), stacktrace follows", sig,
         strsignal(sig));
     stacktrace();
+    CONF_Dump();
     DATA_Dump();
     MON_Output();
     LOG_Log0(LOG_ALERT, "Aborting");

bin/varnishevent/varnishevent.c

@@ -496,6 +496,7 @@ static void
 dump(int sig)
 {
     (void) sig;
+    CONF_Dump();
     DATA_Dump();
 }
 

bin/varnishevent/varnishevent.h

@@ -185,9 +185,7 @@ void RDR_Stats(void);
 void CONF_Init(void);
 int CONF_Add(const char *lval, const char *rval);
 int CONF_ReadFile(const char *file);
-#if 0
 void CONF_Dump(void);
-#endif
 
 /* log.c */
 #define EMPTY(s) (s[0] == '\0')