#include #include #include #include #include #include "listen.h" void rspf_dump(unsigned char *data, int length) { int bptr, nodes, links, adjs; lprintf(T_IPHDR, "RSPF: version %u ", data[0]); switch(data[1]) { case 3: /* RRH */ lprintf(T_IPHDR, "type RRH seq %#04x flags %d\n",ntohs(*((u_short*)(&data[8]))), data[10]); bptr = 11; while (bptr < length) lprintf(T_IPHDR, "%c", data[bptr++]); lprintf(T_IPHDR, "\n"); break; case 1: /*Routing update*/ lprintf(T_IPHDR, "type ROUTING UPDATE "); lprintf(T_IPHDR, "fragment %u frag total %u sync %u #nodes %u env_id %u\n", data[2], data[3], data[6], data[7], ntohs(*((u_short*)(&data[8])))); bptr = data[6] + 6; nodes = data[7]; while(nodes-- && (length - bptr) > 7) { lprintf(T_DATA, " Reporting Router: %s Seq %u Subseq %u #links %u\n", inet_ntoa(*((struct in_addr*)(&data[bptr]))), ntohs(*((u_short*)(&data[bptr+4]))), data[bptr+6], data[bptr+7]); links = data[bptr+7]; bptr += 8; while(links-- && (length - bptr) > 4) { lprintf(T_DATA, " horizon %u ERP factor %u cost %u #adjacencies %u\n", data[bptr], data[bptr+1], data[bptr+2], data[bptr+3]); adjs = data[bptr+3]; bptr += 4; while(adjs-- && (length - bptr) > 4) { lprintf(T_DATA, " %s/%d \n", inet_ntoa(*((struct in_addr*)(&data[bptr+1]))), data[bptr] & 0x3f); bptr += 5; } } } break; default: lprintf(T_ERROR, "Unknown packet type %d\n", data[1]); break; } }