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23aa35ad | 1 | #!/usr/bin/env python3 |
47a3a827 | 2 | # SPDX-License-Identifier: GPL-2.0-or-later |
32dcd36d | 3 | """ |
23aa35ad AK |
4 | Usage: frr_babeltrace.py trace_path |
5 | ||
6 | FRR pushes data into lttng tracepoints in the least overhead way possible | |
7 | i.e. as binary-data/crf_arrays. These traces need to be converted into pretty | |
8 | strings for easy greping etc. This script is a babeltrace python plugin for | |
9 | that pretty printing. | |
10 | ||
11 | Copyright (C) 2021 NVIDIA Corporation | |
12 | Anuradha Karuppiah | |
32dcd36d | 13 | """ |
23aa35ad AK |
14 | |
15 | import ipaddress | |
16 | import socket | |
17 | import sys | |
18 | ||
19 | import babeltrace | |
20 | ||
21 | ########################### common parsers - start ############################ | |
22 | def print_ip_addr(field_val): | |
32dcd36d | 23 | """ |
23aa35ad | 24 | pretty print "struct ipaddr" |
32dcd36d | 25 | """ |
23aa35ad AK |
26 | if field_val[0] == socket.AF_INET: |
27 | addr = [str(fv) for fv in field_val[4:8]] | |
32dcd36d | 28 | return str(ipaddress.IPv4Address(".".join(addr))) |
23aa35ad AK |
29 | |
30 | if field_val[0] == socket.AF_INET6: | |
32dcd36d | 31 | tmp = "".join("%02x" % fb for fb in field_val[4:]) |
23aa35ad AK |
32 | addr = [] |
33 | while tmp: | |
34 | addr.append(tmp[:4]) | |
35 | tmp = tmp[4:] | |
32dcd36d | 36 | addr = ":".join(addr) |
23aa35ad AK |
37 | return str(ipaddress.IPv6Address(addr)) |
38 | ||
39 | if not field_val[0]: | |
32dcd36d | 40 | return "" |
23aa35ad AK |
41 | |
42 | return field_val | |
43 | ||
44 | ||
45 | def print_mac(field_val): | |
32dcd36d | 46 | """ |
23aa35ad | 47 | pretty print "u8 mac[6]" |
32dcd36d AK |
48 | """ |
49 | return ":".join("%02x" % fb for fb in field_val) | |
23aa35ad AK |
50 | |
51 | def print_net_ipv4_addr(field_val): | |
32dcd36d | 52 | """ |
23aa35ad | 53 | pretty print ctf_integer_network ipv4 |
32dcd36d | 54 | """ |
23aa35ad AK |
55 | return str(ipaddress.IPv4Address(field_val)) |
56 | ||
57 | def print_esi(field_val): | |
32dcd36d | 58 | """ |
23aa35ad | 59 | pretty print ethernet segment id, esi_t |
32dcd36d AK |
60 | """ |
61 | return ":".join("%02x" % fb for fb in field_val) | |
23aa35ad AK |
62 | |
63 | def get_field_list(event): | |
32dcd36d | 64 | """ |
23aa35ad | 65 | only fetch fields added via the TP, skip metadata etc. |
32dcd36d | 66 | """ |
23aa35ad AK |
67 | return event.field_list_with_scope(babeltrace.CTFScope.EVENT_FIELDS) |
68 | ||
69 | def parse_event(event, field_parsers): | |
32dcd36d | 70 | """ |
23aa35ad | 71 | Wild card event parser; doesn't make things any prettier |
32dcd36d | 72 | """ |
23aa35ad AK |
73 | field_list = get_field_list(event) |
74 | field_info = {} | |
75 | for field in field_list: | |
76 | if field in field_parsers: | |
77 | field_parser = field_parsers.get(field) | |
78 | field_info[field] = field_parser(event.get(field)) | |
79 | else: | |
80 | field_info[field] = event.get(field) | |
81 | print(event.name, field_info) | |
82 | ############################ common parsers - end ############################# | |
83 | ||
84 | ############################ evpn parsers - start ############################# | |
85 | def parse_frr_bgp_evpn_mac_ip_zsend(event): | |
32dcd36d | 86 | """ |
23aa35ad AK |
87 | bgp evpn mac-ip parser; raw format - |
88 | ctf_array(unsigned char, mac, &pfx->prefix.macip_addr.mac, | |
89 | sizeof(struct ethaddr)) | |
90 | ctf_array(unsigned char, ip, &pfx->prefix.macip_addr.ip, | |
91 | sizeof(struct ipaddr)) | |
92 | ctf_integer_network_hex(unsigned int, vtep, vtep.s_addr) | |
93 | ctf_array(unsigned char, esi, esi, sizeof(esi_t)) | |
32dcd36d AK |
94 | """ |
95 | field_parsers = {"ip": print_ip_addr, | |
96 | "mac": print_mac, | |
97 | "esi": print_esi, | |
98 | "vtep": print_net_ipv4_addr} | |
23aa35ad AK |
99 | |
100 | parse_event(event, field_parsers) | |
101 | ||
102 | def parse_frr_bgp_evpn_bum_vtep_zsend(event): | |
32dcd36d | 103 | """ |
23aa35ad AK |
104 | bgp evpn bum-vtep parser; raw format - |
105 | ctf_integer_network_hex(unsigned int, vtep, | |
106 | pfx->prefix.imet_addr.ip.ipaddr_v4.s_addr) | |
107 | ||
32dcd36d AK |
108 | """ |
109 | field_parsers = {"vtep": print_net_ipv4_addr} | |
23aa35ad AK |
110 | |
111 | parse_event(event, field_parsers) | |
112 | ||
113 | def parse_frr_bgp_evpn_mh_nh_rmac_send(event): | |
32dcd36d | 114 | """ |
23aa35ad AK |
115 | bgp evpn nh-rmac parser; raw format - |
116 | ctf_array(unsigned char, rmac, &nh->rmac, sizeof(struct ethaddr)) | |
32dcd36d AK |
117 | """ |
118 | field_parsers = {"rmac": print_mac} | |
23aa35ad AK |
119 | |
120 | parse_event(event, field_parsers) | |
121 | ||
a383bfc7 | 122 | def parse_frr_bgp_evpn_mh_local_es_add_zrecv(event): |
32dcd36d | 123 | """ |
a383bfc7 AK |
124 | bgp evpn local-es parser; raw format - |
125 | ctf_array(unsigned char, esi, esi, sizeof(esi_t)) | |
126 | ctf_integer_network_hex(unsigned int, vtep, vtep.s_addr) | |
32dcd36d AK |
127 | """ |
128 | field_parsers = {"esi": print_esi, | |
129 | "vtep": print_net_ipv4_addr} | |
a383bfc7 AK |
130 | |
131 | parse_event(event, field_parsers) | |
132 | ||
133 | def parse_frr_bgp_evpn_mh_local_es_del_zrecv(event): | |
32dcd36d | 134 | """ |
a383bfc7 AK |
135 | bgp evpn local-es parser; raw format - |
136 | ctf_array(unsigned char, esi, esi, sizeof(esi_t)) | |
32dcd36d AK |
137 | """ |
138 | field_parsers = {"esi": print_esi} | |
a383bfc7 AK |
139 | |
140 | parse_event(event, field_parsers) | |
141 | ||
142 | def parse_frr_bgp_evpn_mh_local_es_evi_add_zrecv(event): | |
32dcd36d | 143 | """ |
a383bfc7 AK |
144 | bgp evpn local-es-evi parser; raw format - |
145 | ctf_array(unsigned char, esi, esi, sizeof(esi_t)) | |
32dcd36d AK |
146 | """ |
147 | field_parsers = {"esi": print_esi} | |
a383bfc7 AK |
148 | |
149 | parse_event(event, field_parsers) | |
150 | ||
151 | def parse_frr_bgp_evpn_mh_local_es_evi_del_zrecv(event): | |
32dcd36d | 152 | """ |
a383bfc7 AK |
153 | bgp evpn local-es-evi parser; raw format - |
154 | ctf_array(unsigned char, esi, esi, sizeof(esi_t)) | |
32dcd36d AK |
155 | """ |
156 | field_parsers = {"esi": print_esi} | |
a383bfc7 AK |
157 | |
158 | parse_event(event, field_parsers) | |
159 | ||
160 | def parse_frr_bgp_evpn_local_vni_add_zrecv(event): | |
32dcd36d | 161 | """ |
a383bfc7 AK |
162 | bgp evpn local-vni parser; raw format - |
163 | ctf_integer_network_hex(unsigned int, vtep, vtep.s_addr) | |
164 | ctf_integer_network_hex(unsigned int, mc_grp, mc_grp.s_addr) | |
32dcd36d AK |
165 | """ |
166 | field_parsers = {"vtep": print_net_ipv4_addr, | |
167 | "mc_grp": print_net_ipv4_addr} | |
a383bfc7 AK |
168 | |
169 | parse_event(event, field_parsers) | |
170 | ||
171 | def parse_frr_bgp_evpn_local_l3vni_add_zrecv(event): | |
32dcd36d | 172 | """ |
a383bfc7 AK |
173 | bgp evpn local-l3vni parser; raw format - |
174 | ctf_integer_network_hex(unsigned int, vtep, vtep.s_addr) | |
175 | ctf_array(unsigned char, svi_rmac, svi_rmac, sizeof(struct ethaddr)) | |
176 | ctf_array(unsigned char, vrr_rmac, vrr_rmac, sizeof(struct ethaddr)) | |
32dcd36d AK |
177 | """ |
178 | field_parsers = {"vtep": print_net_ipv4_addr, | |
179 | "svi_rmac": print_mac, | |
180 | "vrr_rmac": print_mac} | |
a383bfc7 AK |
181 | |
182 | parse_event(event, field_parsers) | |
183 | ||
184 | def parse_frr_bgp_evpn_local_macip_add_zrecv(event): | |
32dcd36d | 185 | """ |
a383bfc7 AK |
186 | bgp evpn local-mac-ip parser; raw format - |
187 | ctf_array(unsigned char, ip, ip, sizeof(struct ipaddr)) | |
188 | ctf_array(unsigned char, mac, mac, sizeof(struct ethaddr)) | |
189 | ctf_array(unsigned char, esi, esi, sizeof(esi_t)) | |
32dcd36d AK |
190 | """ |
191 | field_parsers = {"ip": print_ip_addr, | |
192 | "mac": print_mac, | |
193 | "esi": print_esi} | |
a383bfc7 AK |
194 | |
195 | parse_event(event, field_parsers) | |
196 | ||
197 | def parse_frr_bgp_evpn_local_macip_del_zrecv(event): | |
32dcd36d | 198 | """ |
a383bfc7 AK |
199 | bgp evpn local-mac-ip del parser; raw format - |
200 | ctf_array(unsigned char, ip, ip, sizeof(struct ipaddr)) | |
201 | ctf_array(unsigned char, mac, mac, sizeof(struct ethaddr)) | |
32dcd36d AK |
202 | """ |
203 | field_parsers = {"ip": print_ip_addr, | |
204 | "mac": print_mac} | |
a383bfc7 AK |
205 | |
206 | parse_event(event, field_parsers) | |
207 | ||
208 | ############################ evpn parsers - end *############################# | |
23aa35ad AK |
209 | |
210 | def main(): | |
32dcd36d | 211 | """ |
23aa35ad | 212 | FRR lttng trace output parser; babel trace plugin |
32dcd36d AK |
213 | """ |
214 | event_parsers = {"frr_bgp:evpn_mac_ip_zsend": | |
23aa35ad | 215 | parse_frr_bgp_evpn_mac_ip_zsend, |
32dcd36d | 216 | "frr_bgp:evpn_bum_vtep_zsend": |
23aa35ad | 217 | parse_frr_bgp_evpn_bum_vtep_zsend, |
32dcd36d | 218 | "frr_bgp:evpn_mh_nh_rmac_zsend": |
a383bfc7 | 219 | parse_frr_bgp_evpn_mh_nh_rmac_send, |
32dcd36d | 220 | "frr_bgp:evpn_mh_local_es_add_zrecv": |
a383bfc7 | 221 | parse_frr_bgp_evpn_mh_local_es_add_zrecv, |
32dcd36d | 222 | "frr_bgp:evpn_mh_local_es_del_zrecv": |
a383bfc7 | 223 | parse_frr_bgp_evpn_mh_local_es_del_zrecv, |
32dcd36d | 224 | "frr_bgp:evpn_mh_local_es_evi_add_zrecv": |
a383bfc7 | 225 | parse_frr_bgp_evpn_mh_local_es_evi_add_zrecv, |
32dcd36d | 226 | "frr_bgp:evpn_mh_local_es_evi_del_zrecv": |
a383bfc7 | 227 | parse_frr_bgp_evpn_mh_local_es_evi_del_zrecv, |
32dcd36d | 228 | "frr_bgp:evpn_local_vni_add_zrecv": |
a383bfc7 | 229 | parse_frr_bgp_evpn_local_vni_add_zrecv, |
32dcd36d | 230 | "frr_bgp:evpn_local_l3vni_add_zrecv": |
a383bfc7 | 231 | parse_frr_bgp_evpn_local_l3vni_add_zrecv, |
32dcd36d | 232 | "frr_bgp:evpn_local_macip_add_zrecv": |
a383bfc7 | 233 | parse_frr_bgp_evpn_local_macip_add_zrecv, |
32dcd36d | 234 | "frr_bgp:evpn_local_macip_del_zrecv": |
a383bfc7 AK |
235 | parse_frr_bgp_evpn_local_macip_del_zrecv, |
236 | } | |
23aa35ad AK |
237 | |
238 | # get the trace path from the first command line argument | |
239 | trace_path = sys.argv[1] | |
240 | ||
241 | # grab events | |
242 | trace_collection = babeltrace.TraceCollection() | |
32dcd36d | 243 | trace_collection.add_traces_recursive(trace_path, "ctf") |
23aa35ad AK |
244 | |
245 | for event in trace_collection.events: | |
246 | if event.name in event_parsers: | |
247 | event_parser = event_parsers.get(event.name) | |
248 | event_parser(event) | |
249 | else: | |
250 | parse_event(event, {}) | |
251 | ||
32dcd36d | 252 | if __name__ == "__main__": |
23aa35ad | 253 | main() |