Log reason for reconnect

Author: cgzones

src/netlog/netlog-network.c

@@ -87,6 +87,7 @@ int manager_push_to_network(Manager *m,
         switch (m->protocol) {
                 case SYSLOG_TRANSMISSION_PROTOCOL_DTLS:
                         if (!m->dtls->connected) {
+                                log_debug("DTLS not connected, performing reconnect");
                                 r = manager_connect(m);
                                 if (r < 0)
                                         return r;
@@ -95,13 +96,15 @@ int manager_push_to_network(Manager *m,
                         break;
                 case SYSLOG_TRANSMISSION_PROTOCOL_TLS:
                         if (!m->tls->connected) {
+                                log_debug("TLS not connected, performing reconnect");
                                 r = manager_connect(m);
                                 if (r < 0)
                                         return r;
                         }
                         break;
                 default:
                         if (!m->connected) {
+                                log_debug("%s not connected, performing reconnect", protocol_to_string(m->protocol));
                                 r = manager_connect(m);
                                 if (r < 0)
                                         return r;

src/netlog/netlog-protocol.c

@@ -23,20 +23,23 @@ int protocol_send(Manager *m, struct iovec *iovec, unsigned n_iovec) {
                 case SYSLOG_TRANSMISSION_PROTOCOL_DTLS:
                         r = dtls_datagram_writev(m->dtls, iovec, n_iovec);
                         if (r < 0 && r != -EAGAIN) {
+                                log_debug_errno(r, "Failed to send via DTLS, performing reconnect: %m");
                                 manager_connect(m);
                                 return r;
                         }
                         break;
                 case SYSLOG_TRANSMISSION_PROTOCOL_TLS:
                         r = tls_stream_writev(m->tls, iovec, n_iovec);
                         if (r < 0 && r != -EAGAIN) {
+                                log_debug_errno(r, "Failed to send via TLS, performing reconnect: %m");
                                 manager_connect(m);
                                 return r;
                         }
                         break;
                 default:
                        r = network_send(m, iovec, n_iovec);
                         if (r < 0 && r != -EAGAIN) {
+                                log_debug_errno(r, "Failed to send via %s, performing reconnect: %m", protocol_to_string(m->protocol));
                                 manager_connect(m);
                                 return r;
                         }