[sr-dev] git:5.1:0b975501: log_custom: check return code for udp send

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 5.1
Commit: 0b9755011687685467e2d53cb4dcb0c58ea28688
URL: https://github.com/kamailio/kamailio/commit/0b9755011687685467e2d53cb4dcb0c58ea28688

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2018-06-21T08:30:22+02:00

log_custom: check return code for udp send

(cherry picked from commit 5f91017c0393faa02201ccc3693fee6381ea691a)

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Modified: src/modules/log_custom/log_custom_mod.c

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Diff:  https://github.com/kamailio/kamailio/commit/0b9755011687685467e2d53cb4dcb0c58ea28688.diff
Patch: https://github.com/kamailio/kamailio/commit/0b9755011687685467e2d53cb4dcb0c58ea28688.patch

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diff --git a/src/modules/log_custom/log_custom_mod.c b/src/modules/log_custom/log_custom_mod.c
index f88a783b7c..e635baf75e 100644
--- a/src/modules/log_custom/log_custom_mod.c
+++ b/src/modules/log_custom/log_custom_mod.c
@@ -148,7 +148,9 @@ void _lc_core_log_udp(int lpriority, const char *format, ...)
 	n += snprintf(obuf + n, LC_LOG_MSG_MAX_SIZE - n, "(%d) ", my_pid());
 	n += vsnprintf(obuf + n, LC_LOG_MSG_MAX_SIZE - n, format, arglist);
 	va_end(arglist);
-	udp_send(&_lc_udp_dst, obuf, n);
+	if(udp_send(&_lc_udp_dst, obuf, n)!=0) {
+		LM_DBG("udp send returned non zero\n");
+	}
 }
 
 int ki_log_udp(sip_msg_t *msg, str *txt)