mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
--- a/sysklogd/syslogd.c
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+++ b/sysklogd/syslogd.c
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@@ -555,6 +555,7 @@ static void do_syslogd(void)
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{
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int sock_fd;
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#if ENABLE_FEATURE_REMOTE_LOG
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+ int send_err = 0;
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llist_t *item;
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#endif
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#if ENABLE_FEATURE_SYSLOGD_DUP
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@@ -636,11 +637,23 @@ static void do_syslogd(void)
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if (rh->remoteFD == -1)
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continue;
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}
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- /* Send message to remote logger, ignore possible error */
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- /* TODO: on some errors, close and set G.remoteFD to -1
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- * so that DNS resolution and connect is retried? */
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- sendto(rh->remoteFD, recvbuf, sz+1, MSG_DONTWAIT,
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- &(rh->remoteAddr->u.sa), rh->remoteAddr->len);
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+ /* Send message to remote logger */
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+ if (sendto(rh->remoteFD, recvbuf, sz+1, MSG_DONTWAIT,
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+ &(rh->remoteAddr->u.sa), rh->remoteAddr->len) == -1)
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+ send_err = errno;
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+
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+ /* On some errors, close and set G.remoteFD to -1
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+ * so that DNS resolution and connect is retried */
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+ switch (send_err) {
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+ case ECONNRESET:
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+ case EDESTADDRREQ:
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+ case EISCONN:
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+ case ENOTCONN:
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+ case EPIPE:
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+ close(rh->remoteFD);
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+ rh->remoteFD = -1;
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+ break;
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+ }
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}
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#endif
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if (!ENABLE_FEATURE_REMOTE_LOG || (option_mask32 & OPT_locallog)) {
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