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re-open sockets if supernode not responding
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@ -247,6 +247,14 @@ n2n_edge_t* edge_init(const n2n_edge_conf_t *conf, int *rv) {
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if(eee->transop.no_encryption)
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traceEvent(TRACE_WARNING, "Encryption is disabled in edge");
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// first time calling edge_init_sockets needs -1 in the sockets for it does throw an error
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// on trying to close them (open_sockets does so for also being able to RE-open the sockets
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// if called in-between, see "Supernode not responding" in update_supernode_reg(...)
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eee->udp_sock = -1;
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eee->udp_mgmt_sock = -1;
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#ifndef SKIP_MULTICAST_PEERS_DISCOVERY
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eee->udp_multicast_sock = -1;
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#endif
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if(edge_init_sockets(eee, eee->conf.local_port, eee->conf.mgmt_port, eee->conf.tos) < 0) {
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traceEvent(TRACE_ERROR, "socket setup failed");
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goto edge_init_error;
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@ -928,6 +936,10 @@ void update_supernode_reg(n2n_edge_t * eee, time_t nowTime) {
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traceEvent(TRACE_WARNING, "Supernode not responding, now trying %s", supernode_ip(eee));
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eee->sup_attempts = N2N_EDGE_SUP_ATTEMPTS;
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if(edge_init_sockets(eee, eee->conf.local_port, eee->conf.mgmt_port, eee->conf.tos) < 0) {
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traceEvent(TRACE_ERROR, "socket re-initiliaization failed");
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}
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}
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else
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--(eee->sup_attempts);
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@ -2142,6 +2154,17 @@ void edge_term(n2n_edge_t * eee) {
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static int edge_init_sockets(n2n_edge_t *eee, int udp_local_port, int mgmt_port, uint8_t tos) {
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int sockopt;
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if(eee->udp_sock >= 0)
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closesocket(eee->udp_sock);
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if(eee->udp_mgmt_sock >= 0)
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closesocket(eee->udp_mgmt_sock);
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#ifndef SKIP_MULTICAST_PEERS_DISCOVERY
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if(eee->udp_multicast_sock >= 0)
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closesocket(eee->udp_multicast_sock);
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#endif
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if(udp_local_port > 0)
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traceEvent(TRACE_NORMAL, "Binding to local port %d", udp_local_port);
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