4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change
on this file since 756b8f9 was
e224862,
checked in by Shane Alcock <salcock@…>, 10 years ago
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- Added libpacketdump decoders for a large portion of OSPF v2
|
-
Property mode set to
100644
|
File size:
1.1 KB
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Rev | Line | |
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[e224862] | 1 | #include <sys/types.h> |
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| 2 | #include <sys/socket.h> |
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| 3 | #include <netinet/in.h> |
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| 4 | #include <stdio.h> |
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| 5 | #include <arpa/inet.h> |
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| 6 | #include "libpacketdump.h" |
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| 7 | |
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| 8 | |
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| 9 | DLLEXPORT void decode(int link_type UNUSED,const char *packet,unsigned len) { |
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| 10 | libtrace_ospf_ls_update_t *update = (libtrace_ospf_ls_update_t *)packet; |
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| 11 | unsigned char *lsa_ptr; |
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| 12 | uint8_t lsa_type; |
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| 13 | libtrace_ospf_lsa_v2_t *lsa_hdr; |
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| 14 | unsigned char *lsa_body; |
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| 15 | int i = 0; |
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| 16 | int max_lsas = 0; |
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| 17 | uint32_t rem = len; |
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| 18 | uint16_t lsa_length; |
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| 19 | |
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| 20 | |
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| 21 | if (len < 4) |
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| 22 | return; |
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| 23 | max_lsas = ntohl(update->ls_num_adv); |
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| 24 | printf(" OSPF LS Update: LSAs %u\n", max_lsas); |
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| 25 | |
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| 26 | |
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| 27 | lsa_ptr = trace_get_first_ospf_lsa_from_update_v2(update, &rem); |
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| 28 | |
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| 29 | if (lsa_ptr == NULL || rem == 0) |
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| 30 | return; |
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| 31 | |
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| 32 | while (trace_get_next_ospf_lsa_v2(&lsa_ptr, &lsa_hdr, &lsa_body, |
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| 33 | &rem, &lsa_type, &lsa_length) > 0) { |
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| 34 | |
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| 35 | i ++; |
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| 36 | if (lsa_hdr) { |
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| 37 | |
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| 38 | decode_next((char *)lsa_hdr, lsa_length, "ospf2", 1000); |
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| 39 | } |
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| 40 | |
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| 41 | if (lsa_body) { |
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| 42 | decode_next((char *)lsa_body, lsa_length - |
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| 43 | sizeof(libtrace_ospf_lsa_v2_t), |
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| 44 | "ospf2", |
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| 45 | 1000 + lsa_type); |
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| 46 | } |
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| 47 | |
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| 48 | if (i == max_lsas) |
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| 49 | break; |
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| 50 | |
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| 51 | |
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| 52 | } |
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| 53 | } |
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