diff options
Diffstat (limited to 'listen/rspfdump.c')
-rw-r--r-- | listen/rspfdump.c | 91 |
1 files changed, 53 insertions, 38 deletions
diff --git a/listen/rspfdump.c b/listen/rspfdump.c index e05e0fa..4a84b42 100644 --- a/listen/rspfdump.c +++ b/listen/rspfdump.c @@ -9,45 +9,60 @@ 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; - } + + 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; + } + } + break; + default: + lprintf(T_ERROR, "Unknown packet type %d\n", data[1]); + break; } } - |