+/*
+ * Multi-Smart-Gateway Status Overview
+ */
+
+#define IPNONE ((olsr_cnf->ip_version == AF_INET) ? "0.0.0.0" : "::")
+#define MASKNONE ((olsr_cnf->ip_version == AF_INET) ? "0.0.0.0/0" : "::/0")
+#define IPLOCAL ((olsr_cnf->ip_version == AF_INET) ? "127.0.0.1" : "::1")
+#define MASKLOCAL ((olsr_cnf->ip_version == AF_INET) ? "127.0.0.0/8" : "::1/128")
+
+/**
+ * Print a timestamp to a file
+ *
+ * @param f the file
+ */
+static void printDate(FILE * f) {
+ time_t timer;
+ struct tm* tm_info;
+ char buffer[64];
+
+ time(&timer);
+ tm_info = localtime(&timer);
+
+ strftime(buffer, sizeof(buffer), "%B %d, %Y at %H:%M:%S", tm_info);
+ fprintf(f, "%s", buffer);
+}
+
+/**
+ * Write multi-smart-gateway status file
+ *
+ * <pre>
+ * # multi-smart-gateway status overview, generated on October 10, 2014 at 08:27:15
+ *
+ * #Originator Prefix Uplink Downlink PathCost Type Interface Gateway Cost
+ * 127.0.0.1 127.0.0.0/8 0 0 4294967295 egress ppp0 0.0.0.0 9223372036854775807
+ * 127.0.0.1 127.0.0.0/8 0 0 4294967295 egress eth1 192.168.0.1 9223372036854775807
+ * *0.0.0.0 0.0.0.0/0 290 1500 1024 olsr tnl_4094 0.0.0.0 2182002287
+ * </pre>
+ *
+ * @param phase the phase of the change (startup/runtime/shutdown)
+ */
+static void writeProgramStatusFile(enum sgw_multi_change_phase phase) {
+ /* # Orig Prefx Upl Dwn PathC Type Intfc Gw Cost */
+ static const char * fmt_header = "%s%-16s %-33s %-8s %-8s %-10s %-16s %-16s %-16s %s\n";
+ static const char * fmt_values = "%s%-16s %-33s %-8u %-8u %-10u %-16s %-16s %-16s %llu\n";
+
+ char * fileName = olsr_cnf->smart_gw_status_file;
+ FILE * fp = NULL;
+
+ if (!fileName || (fileName[0] == '\0')) {
+ return;
+ }
+
+ if (phase == GW_MULTI_CHANGE_PHASE_SHUTDOWN) {
+ remove(fileName);
+ return;
+ }
+
+ fp = fopen(fileName, "w");
+ if (!fp) {
+ olsr_syslog(OLSR_LOG_ERR, "Could not write to %s", fileName);
+ return;
+ }
+
+ fprintf(fp, "# OLSRd Multi-Smart-Gateway Status Overview\n");
+ fprintf(fp, "# Generated on ");
+ printDate(fp);
+ fprintf(fp, "\n\n");
+
+ /* header */
+ fprintf(fp, fmt_header, "#", "Originator", "Prefix", "Uplink", "Downlink", "PathCost", "Type", "Interface", "Gateway", "Cost");
+
+ /* egress interfaces */
+ {
+ struct sgw_egress_if * egress_if = olsr_cnf->smart_gw_egress_interfaces;
+ while (egress_if) {
+ struct ipaddr_str gwStr;
+ const char * gw = !egress_if->bwCurrent.gatewaySet ? IPNONE : olsr_ip_to_string(&gwStr, &egress_if->bwCurrent.gateway);
+ bool selected = bestOverallLink.valid && !bestOverallLink.isOlsr && (bestOverallLink.link.egress == egress_if);
+
+ fprintf(fp, fmt_values, //
+ selected ? "*" : " ", //selected
+ IPLOCAL, // Originator
+ MASKLOCAL, // Prefix
+ egress_if->bwCurrent.egressUk, // Uplink
+ egress_if->bwCurrent.egressDk, // Downlink
+ egress_if->bwCurrent.path_cost, // PathCost
+ "egress", // Type
+ egress_if->name, // Interface
+ gw, // Gateway
+ egress_if->bwCurrent.costs // Cost
+ );
+
+ egress_if = egress_if->next;
+ }
+ }
+
+ /* olsr */
+ {
+ struct gw_container_entry * gwContainer = (olsr_cnf->ip_version == AF_INET) ? current_ipv4_gw : current_ipv6_gw;
+ struct gateway_entry * gw = !gwContainer ? NULL : gwContainer->gw;
+ struct olsr_iptunnel_entry * tunnel = !gwContainer ? NULL : gwContainer->tunnel;
+ struct tc_entry* tc = !gw ? NULL : olsr_lookup_tc_entry(&gw->originator);
+
+ struct ipaddr_str originatorStr;
+ const char * originator = !gw ? IPNONE : olsr_ip_to_string(&originatorStr, &gw->originator);
+ struct ipaddr_str prefixIpStr;
+ const char * prefixIPStr = !gw ? IPNONE : olsr_ip_to_string(&prefixIpStr, &gw->external_prefix.prefix);
+ uint8_t prefix_len = !gw ? 0 : gw->external_prefix.prefix_len;
+ struct interfaceName * tunnelName = !gw ? NULL : find_interfaceName(gw);
+ struct ipaddr_str tunnelGwStr;
+ const char * tunnelGw = !tunnel ? IPNONE : olsr_ip_to_string(&tunnelGwStr, &tunnel->target);
+ bool selected = bestOverallLink.valid && bestOverallLink.isOlsr;
+
+ char prefix[strlen(prefixIPStr) + 1 + 3 + 1];
+ snprintf(prefix, sizeof(prefix), "%s/%d", prefixIPStr, prefix_len);
+
+ fprintf(fp, fmt_values, //
+ selected ? "*" : " ", // selected
+ originator, // Originator
+ !gw ? MASKNONE : prefix, // Prefix IP
+ !gw ? 0 : gw->uplink, // Uplink
+ !gw ? 0 : gw->downlink, // Downlink
+ (!gw || !tc) ? ROUTE_COST_BROKEN : tc->path_cost, // PathCost
+ "olsr", // Type
+ !tunnelName ? "none" : tunnelName->name, // Interface
+ tunnelGw, // Gateway
+ !gw ? INT64_MAX : gw->path_cost // Cost
+ );
+ }
+
+ fclose(fp);
+}
+
Repositories / olsrd.git / blobdiff