support emitting to stdout or stderr

diff --git a/src/log_logstash.c b/src/log_logstash.c
index 14268d2..4b7790c 100644 (file)
--- a/src/log_logstash.c
+++ b/src/log_logstash.c
@@ -86,7 +86,7 @@ static void log_logstash_print (yajl_gen g, int severity,
        size_t len;
 #else
        unsigned int len;
-#endif 
+#endif
 
        if (yajl_gen_string(g, (u_char *)"@level", strlen("@level")) !=
            yajl_gen_status_ok)
@@ -134,13 +134,13 @@ static void log_logstash_print (yajl_gen g, int severity,
        tt = CDTIME_T_TO_TIME_T (timestamp_time);
        gmtime_r (&tt, &timestamp_tm);
 
-       /* 
+       /*
         * format time as a UTC ISO 8601 compliant string
         */
        strftime (timestamp_str, sizeof (timestamp_str),
                  "%Y-%m-%d %H:%M:%SZ", &timestamp_tm);
        timestamp_str[sizeof (timestamp_str) - 1] = '\0';
-       
+
        if (yajl_gen_string(g, (u_char *)timestamp_str,
                            strlen(timestamp_str)) !=
            yajl_gen_status_ok)
@@ -157,9 +157,13 @@ static void log_logstash_print (yajl_gen g, int severity,
        {
                fh = fopen (DEFAULT_LOGFILE, "a");
                do_close = 1;
-       }
-       else
-       {
+       } else if (strcasecmp(log_file, "stdout") == 0) {
+        fh = stdout;
+        do_close = 0;
+       } else if (strcasecmp(log_file, "stderr") == 0) {
+        fh = stderr;
+        do_close = 0;
+       } else {
                fh = fopen (log_file, "a");
                do_close = 1;
        }
@@ -198,7 +202,7 @@ static void log_logstash_log (int severity, const char *msg,
        yajl_gen_config conf;
 
        conf.beautify = 0;
-#endif 
+#endif
 
        if (severity > log_level)
                return;
@@ -229,7 +233,7 @@ static void log_logstash_log (int severity, const char *msg,
        yajl_gen_free(g);
        fprintf(stderr, "Could not generate JSON message preamble\n");
        return;
-       
+
 } /* void log_logstash_log (int, const char *) */
 
 static int log_logstash_notification (const notification_t *n,
@@ -316,7 +320,7 @@ static int log_logstash_notification (const notification_t *n,
                    yajl_gen_status_ok)
                        goto err;
                if (yajl_gen_string(g, (u_char *)n->type_instance,
-                                   strlen(n->type_instance)) != 
+                                   strlen(n->type_instance)) !=
                    yajl_gen_status_ok)
                        goto err;
        }
@@ -379,4 +383,3 @@ void module_register (void)
 } /* void module_register (void) */
 
 /* vim: set sw=4 ts=4 tw=78 noexpandtab : */
-