JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1998-2007 The TCPDUMP project |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that: (1) source code |
| 6 | * distributions retain the above copyright notice and this paragraph |
| 7 | * in its entirety, and (2) distributions including binary code include |
| 8 | * the above copyright notice and this paragraph in its entirety in |
| 9 | * the documentation or other materials provided with the distribution. |
| 10 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND |
| 11 | * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT |
| 12 | * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 13 | * FOR A PARTICULAR PURPOSE. |
| 14 | * |
| 15 | * The SFLOW protocol as per http://www.sflow.org/developers/specifications.php |
| 16 | * |
| 17 | * Original code by Carles Kishimoto <carles.kishimoto@gmail.com> |
| 18 | * |
| 19 | * Expansion and refactoring by Rick Jones <rick.jones2@hp.com> |
| 20 | */ |
| 21 | |
| 22 | #ifndef lint |
| 23 | static const char rcsid[] _U_ = |
| 24 | "@(#) $Header: /tcpdump/master/tcpdump/print-sflow.c,v 1.1 2007-08-08 17:20:58 hannes Exp $"; |
| 25 | #endif |
| 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | #include "config.h" |
| 29 | #endif |
| 30 | |
| 31 | #include <tcpdump-stdinc.h> |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <string.h> |
| 36 | |
| 37 | #include "interface.h" |
| 38 | #include "extract.h" |
| 39 | #include "addrtoname.h" |
| 40 | |
| 41 | /* |
| 42 | * sFlow datagram |
| 43 | * |
| 44 | * 0 1 2 3 |
| 45 | * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| 46 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 47 | * | Sflow version (2,4,5) | |
| 48 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 49 | * | IP version (1 for IPv4 | 2 for IPv6) | |
| 50 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 51 | * | IP Address AGENT (4 or 16 bytes) | |
| 52 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 53 | * | Sub agent ID | |
| 54 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 55 | * | Datagram sequence number | |
| 56 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 57 | * | Switch uptime in ms | |
| 58 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 59 | * | num samples in datagram | |
| 60 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 61 | * |
| 62 | */ |
| 63 | |
| 64 | struct sflow_datagram_t { |
| 65 | u_int8_t version[4]; |
| 66 | u_int8_t ip_version[4]; |
| 67 | u_int8_t agent[4]; |
| 68 | u_int8_t agent_id[4]; |
| 69 | u_int8_t seqnum[4]; |
| 70 | u_int8_t uptime[4]; |
| 71 | u_int8_t samples[4]; |
| 72 | }; |
| 73 | |
| 74 | struct sflow_sample_header { |
| 75 | u_int8_t format[4]; |
| 76 | u_int8_t len[4]; |
| 77 | }; |
| 78 | |
| 79 | #define SFLOW_FLOW_SAMPLE 1 |
| 80 | #define SFLOW_COUNTER_SAMPLE 2 |
| 81 | #define SFLOW_EXPANDED_FLOW_SAMPLE 3 |
| 82 | #define SFLOW_EXPANDED_COUNTER_SAMPLE 4 |
| 83 | |
| 84 | static const struct tok sflow_format_values[] = { |
| 85 | { SFLOW_FLOW_SAMPLE, "flow sample" }, |
| 86 | { SFLOW_COUNTER_SAMPLE, "counter sample" }, |
| 87 | { SFLOW_EXPANDED_FLOW_SAMPLE, "expanded flow sample" }, |
| 88 | { SFLOW_EXPANDED_COUNTER_SAMPLE, "expanded counter sample" }, |
| 89 | { 0, NULL} |
| 90 | }; |
| 91 | |
| 92 | struct sflow_flow_sample_t { |
| 93 | u_int8_t seqnum[4]; |
| 94 | u_int8_t typesource[4]; |
| 95 | u_int8_t rate[4]; |
| 96 | u_int8_t pool[4]; |
| 97 | u_int8_t drops[4]; |
| 98 | u_int8_t in_interface[4]; |
| 99 | u_int8_t out_interface[4]; |
| 100 | u_int8_t records[4]; |
| 101 | |
| 102 | }; |
| 103 | |
| 104 | struct sflow_expanded_flow_sample_t { |
| 105 | u_int8_t seqnum[4]; |
| 106 | u_int8_t type[4]; |
| 107 | u_int8_t index[4]; |
| 108 | u_int8_t rate[4]; |
| 109 | u_int8_t pool[4]; |
| 110 | u_int8_t drops[4]; |
| 111 | u_int8_t in_interface_format[4]; |
| 112 | u_int8_t in_interface_value[4]; |
| 113 | u_int8_t out_interface_format[4]; |
| 114 | u_int8_t out_interface_value[4]; |
| 115 | u_int8_t records[4]; |
| 116 | }; |
| 117 | |
| 118 | #define SFLOW_FLOW_RAW_PACKET 1 |
| 119 | #define SFLOW_FLOW_ETHERNET_FRAME 2 |
| 120 | #define SFLOW_FLOW_IPV4_DATA 3 |
| 121 | #define SFLOW_FLOW_IPV6_DATA 4 |
| 122 | #define SFLOW_FLOW_EXTENDED_SWITCH_DATA 1001 |
| 123 | #define SFLOW_FLOW_EXTENDED_ROUTER_DATA 1002 |
| 124 | #define SFLOW_FLOW_EXTENDED_GATEWAY_DATA 1003 |
| 125 | #define SFLOW_FLOW_EXTENDED_USER_DATA 1004 |
| 126 | #define SFLOW_FLOW_EXTENDED_URL_DATA 1005 |
| 127 | #define SFLOW_FLOW_EXTENDED_MPLS_DATA 1006 |
| 128 | #define SFLOW_FLOW_EXTENDED_NAT_DATA 1007 |
| 129 | #define SFLOW_FLOW_EXTENDED_MPLS_TUNNEL 1008 |
| 130 | #define SFLOW_FLOW_EXTENDED_MPLS_VC 1009 |
| 131 | #define SFLOW_FLOW_EXTENDED_MPLS_FEC 1010 |
| 132 | #define SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC 1011 |
| 133 | #define SFLOW_FLOW_EXTENDED_VLAN_TUNNEL 1012 |
| 134 | |
| 135 | static const struct tok sflow_flow_type_values[] = { |
| 136 | { SFLOW_FLOW_RAW_PACKET, "Raw packet"}, |
| 137 | { SFLOW_FLOW_ETHERNET_FRAME, "Ethernet frame"}, |
| 138 | { SFLOW_FLOW_IPV4_DATA, "IPv4 Data"}, |
| 139 | { SFLOW_FLOW_IPV6_DATA, "IPv6 Data"}, |
| 140 | { SFLOW_FLOW_EXTENDED_SWITCH_DATA, "Extended Switch data"}, |
| 141 | { SFLOW_FLOW_EXTENDED_ROUTER_DATA, "Extended Router data"}, |
| 142 | { SFLOW_FLOW_EXTENDED_GATEWAY_DATA, "Extended Gateway data"}, |
| 143 | { SFLOW_FLOW_EXTENDED_USER_DATA, "Extended User data"}, |
| 144 | { SFLOW_FLOW_EXTENDED_URL_DATA, "Extended URL data"}, |
| 145 | { SFLOW_FLOW_EXTENDED_MPLS_DATA, "Extended MPLS data"}, |
| 146 | { SFLOW_FLOW_EXTENDED_NAT_DATA, "Extended NAT data"}, |
| 147 | { SFLOW_FLOW_EXTENDED_MPLS_TUNNEL, "Extended MPLS tunnel"}, |
| 148 | { SFLOW_FLOW_EXTENDED_MPLS_VC, "Extended MPLS VC"}, |
| 149 | { SFLOW_FLOW_EXTENDED_MPLS_FEC, "Extended MPLS FEC"}, |
| 150 | { SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC, "Extended MPLS LVP FEC"}, |
| 151 | { SFLOW_FLOW_EXTENDED_VLAN_TUNNEL, "Extended VLAN Tunnel"}, |
| 152 | { 0, NULL} |
| 153 | }; |
| 154 | |
| 155 | #define SFLOW_HEADER_PROTOCOL_ETHERNET 1 |
| 156 | #define SFLOW_HEADER_PROTOCOL_IPV4 11 |
| 157 | #define SFLOW_HEADER_PROTOCOL_IPV6 12 |
| 158 | |
| 159 | static const struct tok sflow_flow_raw_protocol_values[] = { |
| 160 | { SFLOW_HEADER_PROTOCOL_ETHERNET, "Ethernet"}, |
| 161 | { SFLOW_HEADER_PROTOCOL_IPV4, "IPv4"}, |
| 162 | { SFLOW_HEADER_PROTOCOL_IPV6, "IPv6"}, |
| 163 | { 0, NULL} |
| 164 | }; |
| 165 | |
| 166 | struct sflow_expanded_flow_raw_t { |
| 167 | u_int8_t protocol[4]; |
| 168 | u_int8_t length[4]; |
| 169 | u_int8_t stripped_bytes[4]; |
| 170 | u_int8_t header_size[4]; |
| 171 | }; |
| 172 | |
| 173 | struct sflow_ethernet_frame_t { |
| 174 | u_int8_t length[4]; |
| 175 | u_int8_t src_mac[8]; |
| 176 | u_int8_t dst_mac[8]; |
| 177 | u_int8_t type[4]; |
| 178 | }; |
| 179 | |
| 180 | struct sflow_extended_switch_data_t { |
| 181 | u_int8_t src_vlan[4]; |
| 182 | u_int8_t src_pri[4]; |
| 183 | u_int8_t dst_vlan[4]; |
| 184 | u_int8_t dst_pri[4]; |
| 185 | }; |
| 186 | |
| 187 | struct sflow_counter_record_t { |
| 188 | u_int8_t format[4]; |
| 189 | u_int8_t length[4]; |
| 190 | }; |
| 191 | |
| 192 | struct sflow_flow_record_t { |
| 193 | u_int8_t format[4]; |
| 194 | u_int8_t length[4]; |
| 195 | }; |
| 196 | |
| 197 | struct sflow_counter_sample_t { |
| 198 | u_int8_t seqnum[4]; |
| 199 | u_int8_t typesource[4]; |
| 200 | u_int8_t records[4]; |
| 201 | }; |
| 202 | |
| 203 | struct sflow_expanded_counter_sample_t { |
| 204 | u_int8_t seqnum[4]; |
| 205 | u_int8_t type[4]; |
| 206 | u_int8_t index[4]; |
| 207 | u_int8_t records[4]; |
| 208 | }; |
| 209 | |
| 210 | #define SFLOW_COUNTER_GENERIC 1 |
| 211 | #define SFLOW_COUNTER_ETHERNET 2 |
| 212 | #define SFLOW_COUNTER_TOKEN_RING 3 |
| 213 | #define SFLOW_COUNTER_BASEVG 4 |
| 214 | #define SFLOW_COUNTER_VLAN 5 |
| 215 | #define SFLOW_COUNTER_PROCESSOR 1001 |
| 216 | |
| 217 | static const struct tok sflow_counter_type_values[] = { |
| 218 | { SFLOW_COUNTER_GENERIC, "Generic counter"}, |
| 219 | { SFLOW_COUNTER_ETHERNET, "Ethernet counter"}, |
| 220 | { SFLOW_COUNTER_TOKEN_RING, "Token ring counter"}, |
| 221 | { SFLOW_COUNTER_BASEVG, "100 BaseVG counter"}, |
| 222 | { SFLOW_COUNTER_VLAN, "Vlan counter"}, |
| 223 | { SFLOW_COUNTER_PROCESSOR, "Processor counter"}, |
| 224 | { 0, NULL} |
| 225 | }; |
| 226 | |
| 227 | #define SFLOW_IFACE_DIRECTION_UNKNOWN 0 |
| 228 | #define SFLOW_IFACE_DIRECTION_FULLDUPLEX 1 |
| 229 | #define SFLOW_IFACE_DIRECTION_HALFDUPLEX 2 |
| 230 | #define SFLOW_IFACE_DIRECTION_IN 3 |
| 231 | #define SFLOW_IFACE_DIRECTION_OUT 4 |
| 232 | |
| 233 | static const struct tok sflow_iface_direction_values[] = { |
| 234 | { SFLOW_IFACE_DIRECTION_UNKNOWN, "unknown"}, |
| 235 | { SFLOW_IFACE_DIRECTION_FULLDUPLEX, "full-duplex"}, |
| 236 | { SFLOW_IFACE_DIRECTION_HALFDUPLEX, "half-duplex"}, |
| 237 | { SFLOW_IFACE_DIRECTION_IN, "in"}, |
| 238 | { SFLOW_IFACE_DIRECTION_OUT, "out"}, |
| 239 | { 0, NULL} |
| 240 | }; |
| 241 | |
| 242 | struct sflow_generic_counter_t { |
| 243 | u_int8_t ifindex[4]; |
| 244 | u_int8_t iftype[4]; |
| 245 | u_int8_t ifspeed[8]; |
| 246 | u_int8_t ifdirection[4]; |
| 247 | u_int8_t ifstatus[4]; |
| 248 | u_int8_t ifinoctets[8]; |
| 249 | u_int8_t ifinunicastpkts[4]; |
| 250 | u_int8_t ifinmulticastpkts[4]; |
| 251 | u_int8_t ifinbroadcastpkts[4]; |
| 252 | u_int8_t ifindiscards[4]; |
| 253 | u_int8_t ifinerrors[4]; |
| 254 | u_int8_t ifinunkownprotos[4]; |
| 255 | u_int8_t ifoutoctets[8]; |
| 256 | u_int8_t ifoutunicastpkts[4]; |
| 257 | u_int8_t ifoutmulticastpkts[4]; |
| 258 | u_int8_t ifoutbroadcastpkts[4]; |
| 259 | u_int8_t ifoutdiscards[4]; |
| 260 | u_int8_t ifouterrors[4]; |
| 261 | u_int8_t ifpromiscmode[4]; |
| 262 | }; |
| 263 | |
| 264 | struct sflow_ethernet_counter_t { |
| 265 | u_int8_t alignerrors[4]; |
| 266 | u_int8_t fcserrors[4]; |
| 267 | u_int8_t single_collision_frames[4]; |
| 268 | u_int8_t multiple_collision_frames[4]; |
| 269 | u_int8_t test_errors[4]; |
| 270 | u_int8_t deferred_transmissions[4]; |
| 271 | u_int8_t late_collisions[4]; |
| 272 | u_int8_t excessive_collisions[4]; |
| 273 | u_int8_t mac_transmit_errors[4]; |
| 274 | u_int8_t carrier_sense_errors[4]; |
| 275 | u_int8_t frame_too_longs[4]; |
| 276 | u_int8_t mac_receive_errors[4]; |
| 277 | u_int8_t symbol_errors[4]; |
| 278 | }; |
| 279 | |
| 280 | struct sflow_100basevg_counter_t { |
| 281 | u_int8_t in_highpriority_frames[4]; |
| 282 | u_int8_t in_highpriority_octets[8]; |
| 283 | u_int8_t in_normpriority_frames[4]; |
| 284 | u_int8_t in_normpriority_octets[8]; |
| 285 | u_int8_t in_ipmerrors[4]; |
| 286 | u_int8_t in_oversized[4]; |
| 287 | u_int8_t in_data_errors[4]; |
| 288 | u_int8_t in_null_addressed_frames[4]; |
| 289 | u_int8_t out_highpriority_frames[4]; |
| 290 | u_int8_t out_highpriority_octets[8]; |
| 291 | u_int8_t transitioninto_frames[4]; |
| 292 | u_int8_t hc_in_highpriority_octets[8]; |
| 293 | u_int8_t hc_in_normpriority_octets[8]; |
| 294 | u_int8_t hc_out_highpriority_octets[8]; |
| 295 | }; |
| 296 | |
| 297 | struct sflow_vlan_counter_t { |
| 298 | u_int8_t vlan_id[4]; |
| 299 | u_int8_t octets[8]; |
| 300 | u_int8_t unicast_pkt[4]; |
| 301 | u_int8_t multicast_pkt[4]; |
| 302 | u_int8_t broadcast_pkt[4]; |
| 303 | u_int8_t discards[4]; |
| 304 | }; |
| 305 | |
| 306 | static int |
| 307 | print_sflow_counter_generic(const u_char *pointer, u_int len) { |
| 308 | |
| 309 | const struct sflow_generic_counter_t *sflow_gen_counter; |
| 310 | |
| 311 | if (len < sizeof(struct sflow_generic_counter_t)) |
| 312 | return 1; |
| 313 | |
| 314 | |
| 315 | sflow_gen_counter = (const struct sflow_generic_counter_t *)pointer; |
| 316 | printf("\n\t ifindex %u, iftype %u, ifspeed %" PRIu64 ", ifdirection %u (%s)", |
| 317 | EXTRACT_32BITS(sflow_gen_counter->ifindex), |
| 318 | EXTRACT_32BITS(sflow_gen_counter->iftype), |
| 319 | EXTRACT_64BITS(sflow_gen_counter->ifspeed), |
| 320 | EXTRACT_32BITS(sflow_gen_counter->ifdirection), |
| 321 | tok2str(sflow_iface_direction_values, "Unknown", |
| 322 | EXTRACT_32BITS(sflow_gen_counter->ifdirection))); |
| 323 | printf("\n\t ifstatus %u, adminstatus: %s, operstatus: %s", |
| 324 | EXTRACT_32BITS(sflow_gen_counter->ifstatus), |
| 325 | EXTRACT_32BITS(sflow_gen_counter->ifstatus)&1 ? "up" : "down", |
| 326 | (EXTRACT_32BITS(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down"); |
| 327 | printf("\n\t In octets %" PRIu64 |
| 328 | ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u", |
| 329 | EXTRACT_64BITS(sflow_gen_counter->ifinoctets), |
| 330 | EXTRACT_32BITS(sflow_gen_counter->ifinunicastpkts), |
| 331 | EXTRACT_32BITS(sflow_gen_counter->ifinmulticastpkts), |
| 332 | EXTRACT_32BITS(sflow_gen_counter->ifinbroadcastpkts), |
| 333 | EXTRACT_32BITS(sflow_gen_counter->ifindiscards)); |
| 334 | printf("\n\t In errors %u, unknown protos %u", |
| 335 | EXTRACT_32BITS(sflow_gen_counter->ifinerrors), |
| 336 | EXTRACT_32BITS(sflow_gen_counter->ifinunkownprotos)); |
| 337 | printf("\n\t Out octets %" PRIu64 |
| 338 | ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u", |
| 339 | EXTRACT_64BITS(sflow_gen_counter->ifoutoctets), |
| 340 | EXTRACT_32BITS(sflow_gen_counter->ifoutunicastpkts), |
| 341 | EXTRACT_32BITS(sflow_gen_counter->ifoutmulticastpkts), |
| 342 | EXTRACT_32BITS(sflow_gen_counter->ifoutbroadcastpkts), |
| 343 | EXTRACT_32BITS(sflow_gen_counter->ifoutdiscards)); |
| 344 | printf("\n\t Out errors %u, promisc mode %u", |
| 345 | EXTRACT_32BITS(sflow_gen_counter->ifouterrors), |
| 346 | EXTRACT_32BITS(sflow_gen_counter->ifpromiscmode)); |
| 347 | |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | static int |
| 352 | print_sflow_counter_ethernet(const u_char *pointer, u_int len){ |
| 353 | |
| 354 | const struct sflow_ethernet_counter_t *sflow_eth_counter; |
| 355 | |
| 356 | if (len < sizeof(struct sflow_ethernet_counter_t)) |
| 357 | return 1; |
| 358 | |
| 359 | sflow_eth_counter = (const struct sflow_ethernet_counter_t *)pointer; |
| 360 | printf("\n\t align errors %u, fcs errors %u, single collision %u, multiple collision %u, test error %u", |
| 361 | EXTRACT_32BITS(sflow_eth_counter->alignerrors), |
| 362 | EXTRACT_32BITS(sflow_eth_counter->fcserrors), |
| 363 | EXTRACT_32BITS(sflow_eth_counter->single_collision_frames), |
| 364 | EXTRACT_32BITS(sflow_eth_counter->multiple_collision_frames), |
| 365 | EXTRACT_32BITS(sflow_eth_counter->test_errors)); |
| 366 | printf("\n\t deferred %u, late collision %u, excessive collision %u, mac trans error %u", |
| 367 | EXTRACT_32BITS(sflow_eth_counter->deferred_transmissions), |
| 368 | EXTRACT_32BITS(sflow_eth_counter->late_collisions), |
| 369 | EXTRACT_32BITS(sflow_eth_counter->excessive_collisions), |
| 370 | EXTRACT_32BITS(sflow_eth_counter->mac_transmit_errors)); |
| 371 | printf("\n\t carrier error %u, frames too long %u, mac receive errors %u, symbol errors %u", |
| 372 | EXTRACT_32BITS(sflow_eth_counter->carrier_sense_errors), |
| 373 | EXTRACT_32BITS(sflow_eth_counter->frame_too_longs), |
| 374 | EXTRACT_32BITS(sflow_eth_counter->mac_receive_errors), |
| 375 | EXTRACT_32BITS(sflow_eth_counter->symbol_errors)); |
| 376 | |
| 377 | return 0; |
| 378 | } |
| 379 | |
| 380 | static int |
| 381 | print_sflow_counter_token_ring(const u_char *pointer _U_, u_int len _U_) { |
| 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | static int |
| 387 | print_sflow_counter_basevg(const u_char *pointer, u_int len) { |
| 388 | |
| 389 | const struct sflow_100basevg_counter_t *sflow_100basevg_counter; |
| 390 | |
| 391 | if (len < sizeof(struct sflow_100basevg_counter_t)) |
| 392 | return 1; |
| 393 | |
| 394 | sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)pointer; |
| 395 | printf("\n\t in high prio frames %u, in high prio octets %" PRIu64, |
| 396 | EXTRACT_32BITS(sflow_100basevg_counter->in_highpriority_frames), |
| 397 | EXTRACT_64BITS(sflow_100basevg_counter->in_highpriority_octets)); |
| 398 | printf("\n\t in norm prio frames %u, in norm prio octets %" PRIu64, |
| 399 | EXTRACT_32BITS(sflow_100basevg_counter->in_normpriority_frames), |
| 400 | EXTRACT_64BITS(sflow_100basevg_counter->in_normpriority_octets)); |
| 401 | printf("\n\t in ipm errors %u, oversized %u, in data errors %u, null addressed frames %u", |
| 402 | EXTRACT_32BITS(sflow_100basevg_counter->in_ipmerrors), |
| 403 | EXTRACT_32BITS(sflow_100basevg_counter->in_oversized), |
| 404 | EXTRACT_32BITS(sflow_100basevg_counter->in_data_errors), |
| 405 | EXTRACT_32BITS(sflow_100basevg_counter->in_null_addressed_frames)); |
| 406 | printf("\n\t out high prio frames %u, out high prio octets %" PRIu64 |
| 407 | ", trans into frames %u", |
| 408 | EXTRACT_32BITS(sflow_100basevg_counter->out_highpriority_frames), |
| 409 | EXTRACT_64BITS(sflow_100basevg_counter->out_highpriority_octets), |
| 410 | EXTRACT_32BITS(sflow_100basevg_counter->transitioninto_frames)); |
| 411 | printf("\n\t in hc high prio octets %" PRIu64 |
| 412 | ", in hc norm prio octets %" PRIu64 |
| 413 | ", out hc high prio octets %" PRIu64, |
| 414 | EXTRACT_64BITS(sflow_100basevg_counter->hc_in_highpriority_octets), |
| 415 | EXTRACT_64BITS(sflow_100basevg_counter->hc_in_normpriority_octets), |
| 416 | EXTRACT_64BITS(sflow_100basevg_counter->hc_out_highpriority_octets)); |
| 417 | |
| 418 | return 0; |
| 419 | } |
| 420 | |
| 421 | static int |
| 422 | print_sflow_counter_vlan(const u_char *pointer, u_int len) { |
| 423 | |
| 424 | const struct sflow_vlan_counter_t *sflow_vlan_counter; |
| 425 | |
| 426 | if (len < sizeof(struct sflow_vlan_counter_t)) |
| 427 | return 1; |
| 428 | |
| 429 | sflow_vlan_counter = (const struct sflow_vlan_counter_t *)pointer; |
| 430 | printf("\n\t vlan_id %u, octets %" PRIu64 |
| 431 | ", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u", |
| 432 | EXTRACT_32BITS(sflow_vlan_counter->vlan_id), |
| 433 | EXTRACT_64BITS(sflow_vlan_counter->octets), |
| 434 | EXTRACT_32BITS(sflow_vlan_counter->unicast_pkt), |
| 435 | EXTRACT_32BITS(sflow_vlan_counter->multicast_pkt), |
| 436 | EXTRACT_32BITS(sflow_vlan_counter->broadcast_pkt), |
| 437 | EXTRACT_32BITS(sflow_vlan_counter->discards)); |
| 438 | |
| 439 | return 0; |
| 440 | } |
| 441 | |
| 442 | struct sflow_processor_counter_t { |
| 443 | u_int8_t five_sec_util[4]; |
| 444 | u_int8_t one_min_util[4]; |
| 445 | u_int8_t five_min_util[4]; |
| 446 | u_int8_t total_memory[8]; |
| 447 | u_int8_t free_memory[8]; |
| 448 | }; |
| 449 | |
| 450 | static int |
| 451 | print_sflow_counter_processor(const u_char *pointer, u_int len) { |
| 452 | |
| 453 | const struct sflow_processor_counter_t *sflow_processor_counter; |
| 454 | |
| 455 | if (len < sizeof(struct sflow_processor_counter_t)) |
| 456 | return 1; |
| 457 | |
| 458 | sflow_processor_counter = (const struct sflow_processor_counter_t *)pointer; |
| 459 | printf("\n\t 5sec %u, 1min %u, 5min %u, total_mem %" PRIu64 |
| 460 | ", total_mem %" PRIu64, |
| 461 | EXTRACT_32BITS(sflow_processor_counter->five_sec_util), |
| 462 | EXTRACT_32BITS(sflow_processor_counter->one_min_util), |
| 463 | EXTRACT_32BITS(sflow_processor_counter->five_min_util), |
| 464 | EXTRACT_64BITS(sflow_processor_counter->total_memory), |
| 465 | EXTRACT_64BITS(sflow_processor_counter->free_memory)); |
| 466 | |
| 467 | return 0; |
| 468 | } |
| 469 | |
| 470 | static int |
| 471 | sflow_print_counter_records(const u_char *pointer, u_int len, u_int records) { |
| 472 | |
| 473 | u_int nrecords; |
| 474 | const u_char *tptr; |
| 475 | u_int tlen; |
| 476 | u_int counter_type; |
| 477 | u_int counter_len; |
| 478 | u_int enterprise; |
| 479 | const struct sflow_counter_record_t *sflow_counter_record; |
| 480 | |
| 481 | nrecords = records; |
| 482 | tptr = pointer; |
| 483 | tlen = len; |
| 484 | |
| 485 | while (nrecords > 0) { |
| 486 | /* do we have the "header?" */ |
| 487 | if (tlen < sizeof(struct sflow_counter_record_t)) |
| 488 | return 1; |
| 489 | sflow_counter_record = (const struct sflow_counter_record_t *)tptr; |
| 490 | |
| 491 | enterprise = EXTRACT_32BITS(sflow_counter_record->format); |
| 492 | counter_type = enterprise & 0x0FFF; |
| 493 | enterprise = enterprise >> 20; |
| 494 | counter_len = EXTRACT_32BITS(sflow_counter_record->length); |
| 495 | printf("\n\t enterprise %u, %s (%u) length %u", |
| 496 | enterprise, |
| 497 | (enterprise == 0) ? tok2str(sflow_counter_type_values,"Unknown",counter_type) : "Unknown", |
| 498 | counter_type, |
| 499 | counter_len); |
| 500 | |
| 501 | tptr += sizeof(struct sflow_counter_record_t); |
| 502 | tlen -= sizeof(struct sflow_counter_record_t); |
| 503 | |
| 504 | if (tlen < counter_len) |
| 505 | return 1; |
| 506 | if (enterprise == 0) { |
| 507 | switch (counter_type) { |
| 508 | case SFLOW_COUNTER_GENERIC: |
| 509 | if (print_sflow_counter_generic(tptr,tlen)) |
| 510 | return 1; |
| 511 | break; |
| 512 | case SFLOW_COUNTER_ETHERNET: |
| 513 | if (print_sflow_counter_ethernet(tptr,tlen)) |
| 514 | return 1; |
| 515 | break; |
| 516 | case SFLOW_COUNTER_TOKEN_RING: |
| 517 | if (print_sflow_counter_token_ring(tptr,tlen)) |
| 518 | return 1; |
| 519 | break; |
| 520 | case SFLOW_COUNTER_BASEVG: |
| 521 | if (print_sflow_counter_basevg(tptr,tlen)) |
| 522 | return 1; |
| 523 | break; |
| 524 | case SFLOW_COUNTER_VLAN: |
| 525 | if (print_sflow_counter_vlan(tptr,tlen)) |
| 526 | return 1; |
| 527 | break; |
| 528 | case SFLOW_COUNTER_PROCESSOR: |
| 529 | if (print_sflow_counter_processor(tptr,tlen)) |
| 530 | return 1; |
| 531 | break; |
| 532 | default: |
| 533 | if (vflag <= 1) |
| 534 | print_unknown_data(tptr, "\n\t\t", counter_len); |
| 535 | break; |
| 536 | } |
| 537 | } |
| 538 | tptr += counter_len; |
| 539 | tlen -= counter_len; |
| 540 | nrecords--; |
| 541 | |
| 542 | } |
| 543 | |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | |
| 548 | static int |
| 549 | sflow_print_counter_sample(const u_char *pointer, u_int len) { |
| 550 | |
| 551 | const struct sflow_counter_sample_t *sflow_counter_sample; |
| 552 | u_int nrecords; |
| 553 | u_int typesource; |
| 554 | u_int type; |
| 555 | u_int index; |
| 556 | |
| 557 | |
| 558 | if (len < sizeof(struct sflow_counter_sample_t)) |
| 559 | return 1; |
| 560 | |
| 561 | sflow_counter_sample = (const struct sflow_counter_sample_t *)pointer; |
| 562 | |
| 563 | typesource = EXTRACT_32BITS(sflow_counter_sample->typesource); |
| 564 | nrecords = EXTRACT_32BITS(sflow_counter_sample->records); |
| 565 | type = typesource >> 24; |
| 566 | index = typesource & 0x0FFF; |
| 567 | |
| 568 | printf(" seqnum %u, type %u, idx %u, records %u", |
| 569 | EXTRACT_32BITS(sflow_counter_sample->seqnum), |
| 570 | type, |
| 571 | index, |
| 572 | nrecords); |
| 573 | |
| 574 | return sflow_print_counter_records(pointer + sizeof(struct sflow_counter_sample_t), |
| 575 | len - sizeof(struct sflow_counter_sample_t), |
| 576 | nrecords); |
| 577 | |
| 578 | } |
| 579 | |
| 580 | static int |
| 581 | sflow_print_expanded_counter_sample(const u_char *pointer, u_int len) { |
| 582 | |
| 583 | const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample; |
| 584 | u_int nrecords; |
| 585 | |
| 586 | |
| 587 | if (len < sizeof(struct sflow_expanded_counter_sample_t)) |
| 588 | return 1; |
| 589 | |
| 590 | sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)pointer; |
| 591 | |
| 592 | nrecords = EXTRACT_32BITS(sflow_expanded_counter_sample->records); |
| 593 | |
| 594 | printf(" seqnum %u, type %u, idx %u, records %u", |
| 595 | EXTRACT_32BITS(sflow_expanded_counter_sample->seqnum), |
| 596 | EXTRACT_32BITS(sflow_expanded_counter_sample->type), |
| 597 | EXTRACT_32BITS(sflow_expanded_counter_sample->index), |
| 598 | nrecords); |
| 599 | |
| 600 | return sflow_print_counter_records(pointer + sizeof(struct sflow_expanded_counter_sample_t), |
| 601 | len - sizeof(struct sflow_expanded_counter_sample_t), |
| 602 | nrecords); |
| 603 | |
| 604 | } |
| 605 | |
| 606 | static int |
| 607 | print_sflow_raw_packet(const u_char *pointer, u_int len) { |
| 608 | |
| 609 | const struct sflow_expanded_flow_raw_t *sflow_flow_raw; |
| 610 | |
| 611 | if (len < sizeof(struct sflow_expanded_flow_raw_t)) |
| 612 | return 1; |
| 613 | |
| 614 | sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)pointer; |
| 615 | printf("\n\t protocol %s (%u), length %u, stripped bytes %u, header_size %u", |
| 616 | tok2str(sflow_flow_raw_protocol_values,"Unknown",EXTRACT_32BITS(sflow_flow_raw->protocol)), |
| 617 | EXTRACT_32BITS(sflow_flow_raw->protocol), |
| 618 | EXTRACT_32BITS(sflow_flow_raw->length), |
| 619 | EXTRACT_32BITS(sflow_flow_raw->stripped_bytes), |
| 620 | EXTRACT_32BITS(sflow_flow_raw->header_size)); |
| 621 | |
| 622 | /* QUESTION - should we attempt to print the raw header itself? |
| 623 | assuming of course there is wnough data present to do so... */ |
| 624 | |
| 625 | return 0; |
| 626 | } |
| 627 | |
| 628 | static int |
| 629 | print_sflow_ethernet_frame(const u_char *pointer, u_int len) { |
| 630 | |
| 631 | const struct sflow_ethernet_frame_t *sflow_ethernet_frame; |
| 632 | |
| 633 | if (len < sizeof(struct sflow_ethernet_frame_t)) |
| 634 | return 1; |
| 635 | |
| 636 | sflow_ethernet_frame = (const struct sflow_ethernet_frame_t *)pointer; |
| 637 | |
| 638 | printf("\n\t frame len %u, type %u", |
| 639 | EXTRACT_32BITS(sflow_ethernet_frame->length), |
| 640 | EXTRACT_32BITS(sflow_ethernet_frame->type)); |
| 641 | |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | static int |
| 646 | print_sflow_extended_switch_data(const u_char *pointer, u_int len) { |
| 647 | |
| 648 | const struct sflow_extended_switch_data_t *sflow_extended_sw_data; |
| 649 | |
| 650 | if (len < sizeof(struct sflow_extended_switch_data_t)) |
| 651 | return 1; |
| 652 | |
| 653 | sflow_extended_sw_data = (const struct sflow_extended_switch_data_t *)pointer; |
| 654 | printf("\n\t src vlan %u, src pri %u, dst vlan %u, dst pri %u", |
| 655 | EXTRACT_32BITS(sflow_extended_sw_data->src_vlan), |
| 656 | EXTRACT_32BITS(sflow_extended_sw_data->src_pri), |
| 657 | EXTRACT_32BITS(sflow_extended_sw_data->dst_vlan), |
| 658 | EXTRACT_32BITS(sflow_extended_sw_data->dst_pri)); |
| 659 | |
| 660 | return 0; |
| 661 | } |
| 662 | |
| 663 | static int |
| 664 | sflow_print_flow_records(const u_char *pointer, u_int len, u_int records) { |
| 665 | |
| 666 | u_int nrecords; |
| 667 | const u_char *tptr; |
| 668 | u_int tlen; |
| 669 | u_int flow_type; |
| 670 | u_int enterprise; |
| 671 | u_int flow_len; |
| 672 | const struct sflow_flow_record_t *sflow_flow_record; |
| 673 | |
| 674 | nrecords = records; |
| 675 | tptr = pointer; |
| 676 | tlen = len; |
| 677 | |
| 678 | while (nrecords > 0) { |
| 679 | /* do we have the "header?" */ |
| 680 | if (tlen < sizeof(struct sflow_flow_record_t)) |
| 681 | return 1; |
| 682 | |
| 683 | sflow_flow_record = (const struct sflow_flow_record_t *)tptr; |
| 684 | |
| 685 | /* so, the funky encoding means we cannot blythly mask-off |
| 686 | bits, we must also check the enterprise. */ |
| 687 | |
| 688 | enterprise = EXTRACT_32BITS(sflow_flow_record->format); |
| 689 | flow_type = enterprise & 0x0FFF; |
| 690 | enterprise = enterprise >> 12; |
| 691 | flow_len = EXTRACT_32BITS(sflow_flow_record->length); |
| 692 | printf("\n\t enterprise %u %s (%u) length %u", |
| 693 | enterprise, |
| 694 | (enterprise == 0) ? tok2str(sflow_flow_type_values,"Unknown",flow_type) : "Unknown", |
| 695 | flow_type, |
| 696 | flow_len); |
| 697 | |
| 698 | tptr += sizeof(struct sflow_flow_record_t); |
| 699 | tlen -= sizeof(struct sflow_flow_record_t); |
| 700 | |
| 701 | if (tlen < flow_len) |
| 702 | return 1; |
| 703 | |
| 704 | if (enterprise == 0) { |
| 705 | switch (flow_type) { |
| 706 | case SFLOW_FLOW_RAW_PACKET: |
| 707 | if (print_sflow_raw_packet(tptr,tlen)) |
| 708 | return 1; |
| 709 | break; |
| 710 | case SFLOW_FLOW_EXTENDED_SWITCH_DATA: |
| 711 | if (print_sflow_extended_switch_data(tptr,tlen)) |
| 712 | return 1; |
| 713 | break; |
| 714 | case SFLOW_FLOW_ETHERNET_FRAME: |
| 715 | if (print_sflow_ethernet_frame(tptr,tlen)) |
| 716 | return 1; |
| 717 | break; |
| 718 | /* FIXME these need a decoder */ |
| 719 | case SFLOW_FLOW_IPV4_DATA: |
| 720 | case SFLOW_FLOW_IPV6_DATA: |
| 721 | case SFLOW_FLOW_EXTENDED_ROUTER_DATA: |
| 722 | case SFLOW_FLOW_EXTENDED_GATEWAY_DATA: |
| 723 | case SFLOW_FLOW_EXTENDED_USER_DATA: |
| 724 | case SFLOW_FLOW_EXTENDED_URL_DATA: |
| 725 | case SFLOW_FLOW_EXTENDED_MPLS_DATA: |
| 726 | case SFLOW_FLOW_EXTENDED_NAT_DATA: |
| 727 | case SFLOW_FLOW_EXTENDED_MPLS_TUNNEL: |
| 728 | case SFLOW_FLOW_EXTENDED_MPLS_VC: |
| 729 | case SFLOW_FLOW_EXTENDED_MPLS_FEC: |
| 730 | case SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC: |
| 731 | case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL: |
| 732 | break; |
| 733 | default: |
| 734 | if (vflag <= 1) |
| 735 | print_unknown_data(tptr, "\n\t\t", flow_len); |
| 736 | break; |
| 737 | } |
| 738 | } |
| 739 | tptr += flow_len; |
| 740 | tlen -= flow_len; |
| 741 | nrecords--; |
| 742 | |
| 743 | } |
| 744 | |
| 745 | return 0; |
| 746 | } |
| 747 | |
| 748 | static int |
| 749 | sflow_print_flow_sample(const u_char *pointer, u_int len) { |
| 750 | |
| 751 | const struct sflow_flow_sample_t *sflow_flow_sample; |
| 752 | u_int nrecords; |
| 753 | u_int typesource; |
| 754 | u_int type; |
| 755 | u_int index; |
| 756 | |
| 757 | if (len < sizeof(struct sflow_flow_sample_t)) |
| 758 | return 1; |
| 759 | |
| 760 | sflow_flow_sample = (struct sflow_flow_sample_t *)pointer; |
| 761 | |
| 762 | typesource = EXTRACT_32BITS(sflow_flow_sample->typesource); |
| 763 | nrecords = EXTRACT_32BITS(sflow_flow_sample->records); |
| 764 | type = typesource >> 24; |
| 765 | index = typesource & 0x0FFF; |
| 766 | |
| 767 | printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, input %u output %u records %u", |
| 768 | EXTRACT_32BITS(sflow_flow_sample->seqnum), |
| 769 | type, |
| 770 | index, |
| 771 | EXTRACT_32BITS(sflow_flow_sample->rate), |
| 772 | EXTRACT_32BITS(sflow_flow_sample->pool), |
| 773 | EXTRACT_32BITS(sflow_flow_sample->drops), |
| 774 | EXTRACT_32BITS(sflow_flow_sample->in_interface), |
| 775 | EXTRACT_32BITS(sflow_flow_sample->out_interface), |
| 776 | nrecords); |
| 777 | |
| 778 | return sflow_print_flow_records(pointer + sizeof(struct sflow_flow_sample_t), |
| 779 | len - sizeof(struct sflow_flow_sample_t), |
| 780 | nrecords); |
| 781 | |
| 782 | } |
| 783 | |
| 784 | static int |
| 785 | sflow_print_expanded_flow_sample(const u_char *pointer, u_int len) { |
| 786 | |
| 787 | const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample; |
| 788 | u_int nrecords; |
| 789 | |
| 790 | if (len < sizeof(struct sflow_expanded_flow_sample_t)) |
| 791 | return 1; |
| 792 | |
| 793 | sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)pointer; |
| 794 | |
| 795 | nrecords = EXTRACT_32BITS(sflow_expanded_flow_sample->records); |
| 796 | |
| 797 | printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, records %u", |
| 798 | EXTRACT_32BITS(sflow_expanded_flow_sample->seqnum), |
| 799 | EXTRACT_32BITS(sflow_expanded_flow_sample->type), |
| 800 | EXTRACT_32BITS(sflow_expanded_flow_sample->index), |
| 801 | EXTRACT_32BITS(sflow_expanded_flow_sample->rate), |
| 802 | EXTRACT_32BITS(sflow_expanded_flow_sample->pool), |
| 803 | EXTRACT_32BITS(sflow_expanded_flow_sample->drops), |
| 804 | EXTRACT_32BITS(sflow_expanded_flow_sample->records)); |
| 805 | |
| 806 | return sflow_print_flow_records(pointer + sizeof(struct sflow_expanded_flow_sample_t), |
| 807 | len - sizeof(struct sflow_expanded_flow_sample_t), |
| 808 | nrecords); |
| 809 | |
| 810 | } |
| 811 | |
| 812 | void |
| 813 | sflow_print(const u_char *pptr, u_int len) { |
| 814 | |
| 815 | const struct sflow_datagram_t *sflow_datagram; |
| 816 | const struct sflow_sample_header *sflow_sample; |
| 817 | |
| 818 | const u_char *tptr; |
| 819 | u_int tlen; |
| 820 | u_int32_t sflow_sample_type, sflow_sample_len; |
| 821 | u_int32_t nsamples; |
| 822 | |
| 823 | |
| 824 | tptr = pptr; |
| 825 | tlen = len; |
| 826 | sflow_datagram = (const struct sflow_datagram_t *)pptr; |
| 827 | TCHECK(*sflow_datagram); |
| 828 | |
| 829 | /* |
| 830 | * Sanity checking of the header. |
| 831 | */ |
| 832 | if (EXTRACT_32BITS(sflow_datagram->version) != 5) { |
| 833 | printf("sFlow version %u packet not supported", |
| 834 | EXTRACT_32BITS(sflow_datagram->version)); |
| 835 | return; |
| 836 | } |
| 837 | |
| 838 | if (vflag < 1) { |
| 839 | printf("sFlowv%u, %s agent %s, agent-id %u, length %u", |
| 840 | EXTRACT_32BITS(sflow_datagram->version), |
| 841 | EXTRACT_32BITS(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6", |
| 842 | ipaddr_string(sflow_datagram->agent), |
| 843 | EXTRACT_32BITS(sflow_datagram->agent_id), |
| 844 | len); |
| 845 | return; |
| 846 | } |
| 847 | |
| 848 | /* ok they seem to want to know everything - lets fully decode it */ |
| 849 | nsamples=EXTRACT_32BITS(sflow_datagram->samples); |
| 850 | printf("sFlowv%u, %s agent %s, agent-id %u, seqnum %u, uptime %u, samples %u, length %u", |
| 851 | EXTRACT_32BITS(sflow_datagram->version), |
| 852 | EXTRACT_32BITS(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6", |
| 853 | ipaddr_string(sflow_datagram->agent), |
| 854 | EXTRACT_32BITS(sflow_datagram->agent_id), |
| 855 | EXTRACT_32BITS(sflow_datagram->seqnum), |
| 856 | EXTRACT_32BITS(sflow_datagram->uptime), |
| 857 | nsamples, |
| 858 | len); |
| 859 | |
| 860 | /* skip Common header */ |
| 861 | tptr += sizeof(const struct sflow_datagram_t); |
| 862 | tlen -= sizeof(const struct sflow_datagram_t); |
| 863 | |
| 864 | while (nsamples > 0 && tlen > 0) { |
| 865 | sflow_sample = (const struct sflow_sample_header *)tptr; |
| 866 | TCHECK(*sflow_sample); |
| 867 | |
| 868 | sflow_sample_type = (EXTRACT_32BITS(sflow_sample->format)&0x0FFF); |
| 869 | sflow_sample_len = EXTRACT_32BITS(sflow_sample->len); |
| 870 | |
| 871 | if (tlen < sizeof(struct sflow_sample_header)) |
| 872 | goto trunc; |
| 873 | |
| 874 | tptr += sizeof(struct sflow_sample_header); |
| 875 | tlen -= sizeof(struct sflow_sample_header); |
| 876 | |
| 877 | printf("\n\t%s (%u), length %u,", |
| 878 | tok2str(sflow_format_values, "Unknown", sflow_sample_type), |
| 879 | sflow_sample_type, |
| 880 | sflow_sample_len); |
| 881 | |
| 882 | /* basic sanity check */ |
| 883 | if (sflow_sample_type == 0 || sflow_sample_len ==0) { |
| 884 | return; |
| 885 | } |
| 886 | |
| 887 | if (tlen < sflow_sample_len) |
| 888 | goto trunc; |
| 889 | |
| 890 | /* did we capture enough for fully decoding the sample ? */ |
| 891 | TCHECK2(*tptr, sflow_sample_len); |
| 892 | |
| 893 | switch(sflow_sample_type) { |
| 894 | case SFLOW_FLOW_SAMPLE: |
| 895 | if (sflow_print_flow_sample(tptr,tlen)) |
| 896 | goto trunc; |
| 897 | break; |
| 898 | |
| 899 | case SFLOW_COUNTER_SAMPLE: |
| 900 | if (sflow_print_counter_sample(tptr,tlen)) |
| 901 | goto trunc; |
| 902 | break; |
| 903 | |
| 904 | case SFLOW_EXPANDED_FLOW_SAMPLE: |
| 905 | if (sflow_print_expanded_flow_sample(tptr,tlen)) |
| 906 | goto trunc; |
| 907 | break; |
| 908 | |
| 909 | case SFLOW_EXPANDED_COUNTER_SAMPLE: |
| 910 | if (sflow_print_expanded_counter_sample(tptr,tlen)) |
| 911 | goto trunc; |
| 912 | break; |
| 913 | |
| 914 | default: |
| 915 | if (vflag <= 1) |
| 916 | print_unknown_data(tptr, "\n\t ", sflow_sample_len); |
| 917 | break; |
| 918 | } |
| 919 | tptr += sflow_sample_len; |
| 920 | tlen -= sflow_sample_len; |
| 921 | nsamples--; |
| 922 | } |
| 923 | return; |
| 924 | |
| 925 | trunc: |
| 926 | printf("[|SFLOW]"); |
| 927 | } |
| 928 | |
| 929 | /* |
| 930 | * Local Variables: |
| 931 | * c-style: whitesmith |
| 932 | * c-basic-offset: 4 |
| 933 | * End: |
| 934 | */ |