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8073dd31 | 1 | /* |
2dd88e5d | 2 | * Copyright (c) 2011, 2012, 2013, 2014, 2015 Nicira, Inc. |
8073dd31 NM |
3 | * Copyright (c) 2013 InMon Corp. |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at: | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | #include <config.h> | |
3f636c7e JR |
19 | #undef NDEBUG |
20 | #include "netflow.h" | |
b2befd5b BP |
21 | #include <sys/types.h> |
22 | #include <netinet/in.h> | |
b7807e4f | 23 | #include <arpa/inet.h> |
8073dd31 NM |
24 | #include <errno.h> |
25 | #include <getopt.h> | |
26 | #include <signal.h> | |
27 | #include <stdlib.h> | |
28 | #include <unistd.h> | |
29 | #include <setjmp.h> | |
8073dd31 NM |
30 | #include "command-line.h" |
31 | #include "daemon.h" | |
3e8a2ad1 | 32 | #include "openvswitch/dynamic-string.h" |
64c96779 | 33 | #include "openvswitch/ofpbuf.h" |
3f636c7e | 34 | #include "ovstest.h" |
8073dd31 | 35 | #include "packets.h" |
fd016ae3 | 36 | #include "openvswitch/poll-loop.h" |
8073dd31 NM |
37 | #include "socket-util.h" |
38 | #include "unixctl.h" | |
39 | #include "util.h" | |
e6211adc | 40 | #include "openvswitch/vlog.h" |
8073dd31 | 41 | |
cab50449 | 42 | OVS_NO_RETURN static void usage(void); |
8073dd31 NM |
43 | static void parse_options(int argc, char *argv[]); |
44 | ||
45 | static unixctl_cb_func test_sflow_exit; | |
46 | ||
47 | /* Datagram. */ | |
48 | #define SFLOW_VERSION_5 5 | |
49 | #define SFLOW_MIN_LEN 36 | |
8073dd31 NM |
50 | |
51 | /* Sample tag numbers. */ | |
52 | #define SFLOW_FLOW_SAMPLE 1 | |
53 | #define SFLOW_COUNTERS_SAMPLE 2 | |
54 | #define SFLOW_FLOW_SAMPLE_EXPANDED 3 | |
55 | #define SFLOW_COUNTERS_SAMPLE_EXPANDED 4 | |
56 | ||
57 | /* Structure element tag numbers. */ | |
58 | #define SFLOW_TAG_CTR_IFCOUNTERS 1 | |
934386dd | 59 | #define SFLOW_TAG_CTR_ETHCOUNTERS 2 |
50b9699f NM |
60 | #define SFLOW_TAG_CTR_LACPCOUNTERS 7 |
61 | #define SFLOW_TAG_CTR_OPENFLOWPORT 1004 | |
62 | #define SFLOW_TAG_CTR_PORTNAME 1005 | |
8073dd31 NM |
63 | #define SFLOW_TAG_PKT_HEADER 1 |
64 | #define SFLOW_TAG_PKT_SWITCH 1001 | |
50b9699f NM |
65 | #define SFLOW_TAG_PKT_TUNNEL4_OUT 1023 |
66 | #define SFLOW_TAG_PKT_TUNNEL4_IN 1024 | |
67 | #define SFLOW_TAG_PKT_TUNNEL_VNI_OUT 1029 | |
68 | #define SFLOW_TAG_PKT_TUNNEL_VNI_IN 1030 | |
7321bda3 | 69 | #define SFLOW_TAG_PKT_MPLS 1006 |
50b9699f NM |
70 | |
71 | /* string sizes */ | |
72 | #define SFL_MAX_PORTNAME_LEN 255 | |
8073dd31 NM |
73 | |
74 | struct sflow_addr { | |
75 | enum { | |
76 | SFLOW_ADDRTYPE_undefined = 0, | |
77 | SFLOW_ADDRTYPE_IP4, | |
78 | SFLOW_ADDRTYPE_IP6 | |
79 | } type; | |
80 | ||
81 | union { | |
82 | ovs_be32 ip4; | |
83 | ovs_be32 ip6[4]; | |
84 | } a; | |
85 | }; | |
86 | ||
87 | struct sflow_xdr { | |
88 | /* Exceptions. */ | |
89 | jmp_buf env; | |
90 | int errline; | |
91 | ||
92 | /* Cursor. */ | |
93 | ovs_be32 *datap; | |
94 | uint32_t i; | |
95 | uint32_t quads; | |
96 | ||
97 | /* Agent. */ | |
98 | struct sflow_addr agentAddr; | |
e731d71b | 99 | char agentIPStr[INET6_ADDRSTRLEN + 2]; |
8073dd31 NM |
100 | uint32_t subAgentId; |
101 | uint32_t uptime_mS; | |
102 | ||
103 | /* Datasource. */ | |
104 | uint32_t dsClass; | |
105 | uint32_t dsIndex; | |
106 | ||
107 | /* Sequence numbers. */ | |
108 | uint32_t dgramSeqNo; | |
109 | uint32_t fsSeqNo; | |
110 | uint32_t csSeqNo; | |
111 | ||
112 | /* Structure offsets. */ | |
113 | struct { | |
114 | uint32_t HEADER; | |
115 | uint32_t SWITCH; | |
5a0e4aec BP |
116 | uint32_t TUNNEL4_OUT; |
117 | uint32_t TUNNEL4_IN; | |
118 | uint32_t TUNNEL_VNI_OUT; | |
119 | uint32_t TUNNEL_VNI_IN; | |
120 | uint32_t MPLS; | |
121 | uint32_t IFCOUNTERS; | |
122 | uint32_t ETHCOUNTERS; | |
123 | uint32_t LACPCOUNTERS; | |
124 | uint32_t OPENFLOWPORT; | |
125 | uint32_t PORTNAME; | |
8073dd31 NM |
126 | } offset; |
127 | ||
128 | /* Flow sample fields. */ | |
129 | uint32_t meanSkipCount; | |
130 | uint32_t samplePool; | |
131 | uint32_t dropEvents; | |
132 | uint32_t inputPortFormat; | |
133 | uint32_t inputPort; | |
134 | uint32_t outputPortFormat; | |
135 | uint32_t outputPort; | |
136 | }; | |
137 | ||
138 | #define SFLOWXDR_try(x) ((x->errline = setjmp(x->env)) == 0) | |
139 | #define SFLOWXDR_throw(x) longjmp(x->env, __LINE__) | |
140 | #define SFLOWXDR_assert(x, t) if (!(t)) SFLOWXDR_throw(x) | |
141 | ||
142 | static void | |
143 | sflowxdr_init(struct sflow_xdr *x, void *buf, size_t len) | |
144 | { | |
145 | x->datap = buf; | |
146 | x->quads = len >> 2; | |
147 | } | |
148 | ||
149 | static uint32_t | |
150 | sflowxdr_next(struct sflow_xdr *x) | |
151 | { | |
152 | return ntohl(x->datap[x->i++]); | |
153 | } | |
154 | ||
155 | static ovs_be32 | |
156 | sflowxdr_next_n(struct sflow_xdr *x) | |
157 | { | |
158 | return x->datap[x->i++]; | |
159 | } | |
160 | ||
161 | static bool | |
162 | sflowxdr_more(const struct sflow_xdr *x, uint32_t q) | |
163 | { | |
164 | return q + x->i <= x->quads; | |
165 | } | |
166 | ||
167 | static void | |
168 | sflowxdr_skip(struct sflow_xdr *x, uint32_t q) | |
169 | { | |
170 | x->i += q; | |
171 | } | |
172 | ||
173 | static uint32_t | |
174 | sflowxdr_mark(const struct sflow_xdr *x, uint32_t q) | |
175 | { | |
176 | return x->i + q; | |
177 | } | |
178 | ||
179 | static bool | |
180 | sflowxdr_mark_ok(const struct sflow_xdr *x, uint32_t m) | |
181 | { | |
182 | return m == x->i; | |
183 | } | |
184 | ||
185 | static void | |
186 | sflowxdr_mark_unique(struct sflow_xdr *x, uint32_t *pi) | |
187 | { | |
188 | if (*pi) { | |
189 | SFLOWXDR_throw(x); | |
190 | } | |
191 | *pi = x->i; | |
192 | } | |
193 | ||
194 | static void | |
195 | sflowxdr_setc(struct sflow_xdr *x, uint32_t j) | |
196 | { | |
197 | x->i = j; | |
198 | } | |
199 | ||
200 | static const char * | |
201 | sflowxdr_str(const struct sflow_xdr *x) | |
202 | { | |
203 | return (const char *) (x->datap + x->i); | |
204 | } | |
205 | ||
206 | static uint64_t | |
207 | sflowxdr_next_int64(struct sflow_xdr *x) | |
208 | { | |
209 | uint64_t scratch; | |
210 | scratch = sflowxdr_next(x); | |
211 | scratch <<= 32; | |
212 | scratch += sflowxdr_next(x); | |
213 | return scratch; | |
214 | } | |
215 | ||
216 | static void | |
217 | process_counter_sample(struct sflow_xdr *x) | |
218 | { | |
219 | if (x->offset.IFCOUNTERS) { | |
220 | sflowxdr_setc(x, x->offset.IFCOUNTERS); | |
221 | printf("IFCOUNTERS"); | |
222 | printf(" dgramSeqNo=%"PRIu32, x->dgramSeqNo); | |
223 | printf(" ds=%s>%"PRIu32":%"PRIu32, | |
224 | x->agentIPStr, x->dsClass, x->dsIndex); | |
225 | printf(" csSeqNo=%"PRIu32, x->csSeqNo); | |
226 | printf(" ifindex=%"PRIu32, sflowxdr_next(x)); | |
227 | printf(" type=%"PRIu32, sflowxdr_next(x)); | |
228 | printf(" ifspeed=%"PRIu64, sflowxdr_next_int64(x)); | |
229 | printf(" direction=%"PRIu32, sflowxdr_next(x)); | |
230 | printf(" status=%"PRIu32, sflowxdr_next(x)); | |
231 | printf(" in_octets=%"PRIu64, sflowxdr_next_int64(x)); | |
232 | printf(" in_unicasts=%"PRIu32, sflowxdr_next(x)); | |
233 | printf(" in_multicasts=%"PRIu32, sflowxdr_next(x)); | |
234 | printf(" in_broadcasts=%"PRIu32, sflowxdr_next(x)); | |
235 | printf(" in_discards=%"PRIu32, sflowxdr_next(x)); | |
236 | printf(" in_errors=%"PRIu32, sflowxdr_next(x)); | |
237 | printf(" in_unknownprotos=%"PRIu32, sflowxdr_next(x)); | |
238 | printf(" out_octets=%"PRIu64, sflowxdr_next_int64(x)); | |
239 | printf(" out_unicasts=%"PRIu32, sflowxdr_next(x)); | |
240 | printf(" out_multicasts=%"PRIu32, sflowxdr_next(x)); | |
241 | printf(" out_broadcasts=%"PRIu32, sflowxdr_next(x)); | |
242 | printf(" out_discards=%"PRIu32, sflowxdr_next(x)); | |
243 | printf(" out_errors=%"PRIu32, sflowxdr_next(x)); | |
244 | printf(" promiscuous=%"PRIu32, sflowxdr_next(x)); | |
245 | printf("\n"); | |
246 | } | |
50b9699f | 247 | if (x->offset.LACPCOUNTERS) { |
5a0e4aec BP |
248 | struct eth_addr *mac; |
249 | union { | |
250 | ovs_be32 all; | |
251 | struct { | |
252 | uint8_t actorAdmin; | |
253 | uint8_t actorOper; | |
254 | uint8_t partnerAdmin; | |
255 | uint8_t partnerOper; | |
256 | } v; | |
257 | } state; | |
50b9699f NM |
258 | |
259 | sflowxdr_setc(x, x->offset.LACPCOUNTERS); | |
260 | printf("LACPCOUNTERS"); | |
5a0e4aec BP |
261 | mac = (void *)sflowxdr_str(x); |
262 | printf(" sysID="ETH_ADDR_FMT, ETH_ADDR_ARGS(*mac)); | |
263 | sflowxdr_skip(x, 2); | |
264 | mac = (void *)sflowxdr_str(x); | |
265 | printf(" partnerID="ETH_ADDR_FMT, ETH_ADDR_ARGS(*mac)); | |
266 | sflowxdr_skip(x, 2); | |
267 | printf(" aggID=%"PRIu32, sflowxdr_next(x)); | |
268 | state.all = sflowxdr_next_n(x); | |
269 | printf(" actorAdmin=0x%"PRIx32, state.v.actorAdmin); | |
270 | printf(" actorOper=0x%"PRIx32, state.v.actorOper); | |
271 | printf(" partnerAdmin=0x%"PRIx32, state.v.partnerAdmin); | |
272 | printf(" partnerOper=0x%"PRIx32, state.v.partnerOper); | |
273 | printf(" LACPDUsRx=%"PRIu32, sflowxdr_next(x)); | |
274 | printf(" markerPDUsRx=%"PRIu32, sflowxdr_next(x)); | |
275 | printf(" markerRespPDUsRx=%"PRIu32, sflowxdr_next(x)); | |
276 | printf(" unknownRx=%"PRIu32, sflowxdr_next(x)); | |
277 | printf(" illegalRx=%"PRIu32, sflowxdr_next(x)); | |
278 | printf(" LACPDUsTx=%"PRIu32, sflowxdr_next(x)); | |
279 | printf(" markerPDUsTx=%"PRIu32, sflowxdr_next(x)); | |
280 | printf(" markerRespPDUsTx=%"PRIu32, sflowxdr_next(x)); | |
50b9699f NM |
281 | printf("\n"); |
282 | } | |
283 | if (x->offset.OPENFLOWPORT) { | |
284 | sflowxdr_setc(x, x->offset.OPENFLOWPORT); | |
285 | printf("OPENFLOWPORT"); | |
286 | printf(" datapath_id=%"PRIu64, sflowxdr_next_int64(x)); | |
287 | printf(" port_no=%"PRIu32, sflowxdr_next(x)); | |
5a0e4aec | 288 | printf("\n"); |
50b9699f NM |
289 | } |
290 | if (x->offset.PORTNAME) { | |
5a0e4aec BP |
291 | uint32_t pnLen; |
292 | const char *pnBytes; | |
293 | char portName[SFL_MAX_PORTNAME_LEN + 1]; | |
50b9699f NM |
294 | sflowxdr_setc(x, x->offset.PORTNAME); |
295 | printf("PORTNAME"); | |
5a0e4aec BP |
296 | pnLen = sflowxdr_next(x); |
297 | SFLOWXDR_assert(x, (pnLen <= SFL_MAX_PORTNAME_LEN)); | |
298 | pnBytes = sflowxdr_str(x); | |
299 | memcpy(portName, pnBytes, pnLen); | |
300 | portName[pnLen] = '\0'; | |
301 | printf(" portName=%s", portName); | |
302 | printf("\n"); | |
50b9699f | 303 | } |
934386dd RW |
304 | if (x->offset.ETHCOUNTERS) { |
305 | sflowxdr_setc(x, x->offset.ETHCOUNTERS); | |
306 | printf("ETHCOUNTERS"); | |
307 | printf(" dot3StatsAlignmentErrors=%"PRIu32, sflowxdr_next(x)); | |
308 | printf(" dot3StatsFCSErrors=%"PRIu32, sflowxdr_next(x)); | |
309 | printf(" dot3StatsSingleCollisionFrames=%"PRIu32, sflowxdr_next(x)); | |
310 | printf(" dot3StatsMultipleCollisionFrames=%"PRIu32, sflowxdr_next(x)); | |
311 | printf(" dot3StatsSQETestErrors=%"PRIu32, sflowxdr_next(x)); | |
312 | printf(" dot3StatsDeferredTransmissions=%"PRIu32, sflowxdr_next(x)); | |
313 | printf(" dot3StatsLateCollisions=%"PRIu32, sflowxdr_next(x)); | |
314 | printf(" dot3StatsExcessiveCollisions=%"PRIu32, sflowxdr_next(x)); | |
315 | printf(" dot3StatsInternalMacTransmitErrors=%"PRIu32, | |
316 | sflowxdr_next(x)); | |
317 | printf(" dot3StatsCarrierSenseErrors=%"PRIu32, sflowxdr_next(x)); | |
318 | printf(" dot3StatsFrameTooLongs=%"PRIu32, sflowxdr_next(x)); | |
319 | printf(" dot3StatsInternalMacReceiveErrors=%"PRIu32, sflowxdr_next(x)); | |
320 | printf(" dot3StatsSymbolErrors=%"PRIu32, sflowxdr_next(x)); | |
321 | printf("\n"); | |
322 | } | |
8073dd31 NM |
323 | } |
324 | ||
325 | static char | |
326 | bin_to_hex(int hexit) | |
327 | { | |
328 | return "0123456789ABCDEF"[hexit]; | |
329 | } | |
330 | ||
331 | static int | |
332 | print_hex(const char *a, int len, char *buf, int bufLen) | |
333 | { | |
334 | unsigned char nextByte; | |
335 | int b = 0; | |
336 | int i; | |
337 | ||
338 | for (i = 0; i < len; i++) { | |
339 | if (b > bufLen - 10) { | |
340 | break; | |
341 | } | |
342 | nextByte = a[i]; | |
343 | buf[b++] = bin_to_hex(nextByte >> 4); | |
344 | buf[b++] = bin_to_hex(nextByte & 0x0f); | |
345 | if (i < len - 1) { | |
346 | buf[b++] = '-'; | |
347 | } | |
348 | } | |
349 | buf[b] = '\0'; | |
350 | return b; | |
351 | } | |
352 | ||
50b9699f NM |
353 | static void |
354 | print_struct_ipv4(struct sflow_xdr *x, const char *prefix) | |
355 | { | |
356 | ovs_be32 src, dst; | |
357 | ||
358 | printf(" %s_length=%"PRIu32, prefix, sflowxdr_next(x)); | |
359 | printf(" %s_protocol=%"PRIu32, prefix, sflowxdr_next(x)); | |
360 | ||
361 | src = sflowxdr_next_n(x); | |
362 | dst = sflowxdr_next_n(x); | |
363 | printf(" %s_src="IP_FMT, prefix, IP_ARGS(src)); | |
364 | printf(" %s_dst="IP_FMT, prefix, IP_ARGS(dst)); | |
365 | ||
366 | printf(" %s_src_port=%"PRIu32, prefix, sflowxdr_next(x)); | |
367 | printf(" %s_dst_port=%"PRIu32, prefix, sflowxdr_next(x)); | |
368 | printf(" %s_tcp_flags=%"PRIu32, prefix, sflowxdr_next(x)); | |
369 | printf(" %s_tos=%"PRIu32, prefix, sflowxdr_next(x)); | |
370 | } | |
371 | ||
8073dd31 NM |
372 | #define SFLOW_HEX_SCRATCH 1024 |
373 | ||
374 | static void | |
375 | process_flow_sample(struct sflow_xdr *x) | |
376 | { | |
377 | if (x->offset.HEADER) { | |
378 | uint32_t headerLen; | |
379 | char scratch[SFLOW_HEX_SCRATCH]; | |
380 | ||
381 | printf("HEADER"); | |
382 | printf(" dgramSeqNo=%"PRIu32, x->dgramSeqNo); | |
383 | printf(" ds=%s>%"PRIu32":%"PRIu32, | |
384 | x->agentIPStr, x->dsClass, x->dsIndex); | |
385 | printf(" fsSeqNo=%"PRIu32, x->fsSeqNo); | |
386 | ||
50b9699f NM |
387 | if (x->offset.TUNNEL4_IN) { |
388 | sflowxdr_setc(x, x->offset.TUNNEL4_IN); | |
5a0e4aec | 389 | print_struct_ipv4(x, "tunnel4_in"); |
50b9699f NM |
390 | } |
391 | ||
392 | if (x->offset.TUNNEL4_OUT) { | |
393 | sflowxdr_setc(x, x->offset.TUNNEL4_OUT); | |
5a0e4aec | 394 | print_struct_ipv4(x, "tunnel4_out"); |
50b9699f NM |
395 | } |
396 | ||
397 | if (x->offset.TUNNEL_VNI_IN) { | |
398 | sflowxdr_setc(x, x->offset.TUNNEL_VNI_IN); | |
5a0e4aec | 399 | printf( " tunnel_in_vni=%"PRIu32, sflowxdr_next(x)); |
50b9699f NM |
400 | } |
401 | ||
402 | if (x->offset.TUNNEL_VNI_OUT) { | |
403 | sflowxdr_setc(x, x->offset.TUNNEL_VNI_OUT); | |
5a0e4aec | 404 | printf( " tunnel_out_vni=%"PRIu32, sflowxdr_next(x)); |
50b9699f NM |
405 | } |
406 | ||
7321bda3 NM |
407 | if (x->offset.MPLS) { |
408 | uint32_t addr_type, stack_depth, ii; | |
409 | ovs_be32 mpls_lse; | |
410 | sflowxdr_setc(x, x->offset.MPLS); | |
411 | /* OVS only sets the out_stack. The rest will be blank. */ | |
412 | /* skip next hop address */ | |
413 | addr_type = sflowxdr_next(x); | |
414 | sflowxdr_skip(x, addr_type == SFLOW_ADDRTYPE_IP6 ? 4 : 1); | |
415 | /* skip in_stack */ | |
416 | stack_depth = sflowxdr_next(x); | |
417 | sflowxdr_skip(x, stack_depth); | |
418 | /* print out_stack */ | |
419 | stack_depth = sflowxdr_next(x); | |
420 | for(ii = 0; ii < stack_depth; ii++) { | |
421 | mpls_lse=sflowxdr_next_n(x); | |
422 | printf(" mpls_label_%"PRIu32"=%"PRIu32, | |
423 | ii, mpls_lse_to_label(mpls_lse)); | |
424 | printf(" mpls_tc_%"PRIu32"=%"PRIu32, | |
425 | ii, mpls_lse_to_tc(mpls_lse)); | |
426 | printf(" mpls_ttl_%"PRIu32"=%"PRIu32, | |
427 | ii, mpls_lse_to_ttl(mpls_lse)); | |
428 | printf(" mpls_bos_%"PRIu32"=%"PRIu32, | |
429 | ii, mpls_lse_to_bos(mpls_lse)); | |
430 | } | |
431 | } | |
432 | ||
8073dd31 NM |
433 | if (x->offset.SWITCH) { |
434 | sflowxdr_setc(x, x->offset.SWITCH); | |
435 | printf(" in_vlan=%"PRIu32, sflowxdr_next(x)); | |
436 | printf(" in_priority=%"PRIu32, sflowxdr_next(x)); | |
437 | printf(" out_vlan=%"PRIu32, sflowxdr_next(x)); | |
438 | printf(" out_priority=%"PRIu32, sflowxdr_next(x)); | |
439 | } | |
440 | ||
441 | sflowxdr_setc(x, x->offset.HEADER); | |
442 | printf(" meanSkip=%"PRIu32, x->meanSkipCount); | |
443 | printf(" samplePool=%"PRIu32, x->samplePool); | |
444 | printf(" dropEvents=%"PRIu32, x->dropEvents); | |
445 | printf(" in_ifindex=%"PRIu32, x->inputPort); | |
446 | printf(" in_format=%"PRIu32, x->inputPortFormat); | |
447 | printf(" out_ifindex=%"PRIu32, x->outputPort); | |
448 | printf(" out_format=%"PRIu32, x->outputPortFormat); | |
449 | printf(" hdr_prot=%"PRIu32, sflowxdr_next(x)); | |
450 | printf(" pkt_len=%"PRIu32, sflowxdr_next(x)); | |
451 | printf(" stripped=%"PRIu32, sflowxdr_next(x)); | |
452 | headerLen = sflowxdr_next(x); | |
453 | printf(" hdr_len=%"PRIu32, headerLen); | |
454 | print_hex(sflowxdr_str(x), headerLen, scratch, SFLOW_HEX_SCRATCH); | |
455 | printf(" hdr=%s", scratch); | |
456 | printf("\n"); | |
457 | } | |
458 | } | |
459 | ||
460 | static void | |
461 | process_datagram(struct sflow_xdr *x) | |
462 | { | |
463 | uint32_t samples, s; | |
464 | ||
465 | SFLOWXDR_assert(x, (sflowxdr_next(x) == SFLOW_VERSION_5)); | |
466 | ||
467 | /* Read the sFlow header. */ | |
468 | x->agentAddr.type = sflowxdr_next(x); | |
469 | switch (x->agentAddr.type) { | |
470 | case SFLOW_ADDRTYPE_IP4: | |
471 | x->agentAddr.a.ip4 = sflowxdr_next_n(x); | |
472 | break; | |
473 | ||
474 | case SFLOW_ADDRTYPE_IP6: | |
475 | x->agentAddr.a.ip6[0] = sflowxdr_next_n(x); | |
476 | x->agentAddr.a.ip6[1] = sflowxdr_next_n(x); | |
477 | x->agentAddr.a.ip6[2] = sflowxdr_next_n(x); | |
478 | x->agentAddr.a.ip6[3] = sflowxdr_next_n(x); | |
479 | break; | |
480 | ||
481 | case SFLOW_ADDRTYPE_undefined: | |
482 | default: | |
483 | SFLOWXDR_throw(x); | |
484 | break; | |
485 | } | |
486 | x->subAgentId = sflowxdr_next(x); | |
487 | x->dgramSeqNo = sflowxdr_next(x); | |
488 | x->uptime_mS = sflowxdr_next(x); | |
489 | ||
490 | /* Store the agent address as a string. */ | |
491 | if (x->agentAddr.type == SFLOW_ADDRTYPE_IP6) { | |
e731d71b AS |
492 | char ipstr[INET6_ADDRSTRLEN]; |
493 | inet_ntop(AF_INET6, (const void *) &x->agentAddr.a.ip6, | |
494 | ipstr, INET6_ADDRSTRLEN); | |
495 | snprintf(x->agentIPStr, sizeof x->agentIPStr, "[%s]", ipstr); | |
8073dd31 | 496 | } else { |
e731d71b | 497 | snprintf(x->agentIPStr, sizeof x->agentIPStr, |
8073dd31 NM |
498 | IP_FMT, IP_ARGS(x->agentAddr.a.ip4)); |
499 | } | |
500 | ||
501 | /* Array of flow/counter samples. */ | |
502 | samples = sflowxdr_next(x); | |
503 | for (s = 0; s < samples; s++) { | |
504 | uint32_t sType = sflowxdr_next(x); | |
505 | uint32_t sQuads = sflowxdr_next(x) >> 2; | |
506 | uint32_t sMark = sflowxdr_mark(x, sQuads); | |
507 | SFLOWXDR_assert(x, sflowxdr_more(x, sQuads)); | |
508 | ||
509 | switch (sType) { | |
510 | case SFLOW_COUNTERS_SAMPLE_EXPANDED: | |
511 | case SFLOW_COUNTERS_SAMPLE: | |
512 | { | |
513 | uint32_t csElements, e; | |
514 | uint32_t ceTag, ceQuads, ceMark, csEnd; | |
515 | ||
516 | x->csSeqNo = sflowxdr_next(x); | |
517 | if (sType == SFLOW_COUNTERS_SAMPLE_EXPANDED) { | |
518 | x->dsClass = sflowxdr_next(x); | |
519 | x->dsIndex = sflowxdr_next(x); | |
520 | } else { | |
521 | uint32_t dsCombined = sflowxdr_next(x); | |
522 | x->dsClass = dsCombined >> 24; | |
523 | x->dsIndex = dsCombined & 0x00FFFFFF; | |
524 | } | |
525 | ||
526 | csElements = sflowxdr_next(x); | |
527 | for (e = 0; e < csElements; e++) { | |
528 | SFLOWXDR_assert(x, sflowxdr_more(x,2)); | |
529 | ceTag = sflowxdr_next(x); | |
530 | ceQuads = sflowxdr_next(x) >> 2; | |
531 | ceMark = sflowxdr_mark(x, ceQuads); | |
532 | SFLOWXDR_assert(x, sflowxdr_more(x,ceQuads)); | |
533 | /* Only care about selected structures. Just record their | |
534 | * offsets here. We'll read the fields out later. */ | |
535 | switch (ceTag) { | |
536 | case SFLOW_TAG_CTR_IFCOUNTERS: | |
537 | sflowxdr_mark_unique(x, &x->offset.IFCOUNTERS); | |
934386dd RW |
538 | break; |
539 | case SFLOW_TAG_CTR_ETHCOUNTERS: | |
540 | sflowxdr_mark_unique(x, &x->offset.ETHCOUNTERS); | |
8073dd31 | 541 | break; |
50b9699f NM |
542 | case SFLOW_TAG_CTR_LACPCOUNTERS: |
543 | sflowxdr_mark_unique(x, &x->offset.LACPCOUNTERS); | |
544 | break; | |
545 | case SFLOW_TAG_CTR_PORTNAME: | |
546 | sflowxdr_mark_unique(x, &x->offset.PORTNAME); | |
547 | break; | |
548 | case SFLOW_TAG_CTR_OPENFLOWPORT: | |
549 | sflowxdr_mark_unique(x, &x->offset.OPENFLOWPORT); | |
550 | break; | |
8073dd31 NM |
551 | |
552 | /* Add others here... */ | |
553 | } | |
554 | ||
555 | sflowxdr_skip(x, ceQuads); | |
556 | SFLOWXDR_assert(x, sflowxdr_mark_ok(x, ceMark)); | |
557 | } | |
558 | ||
559 | csEnd = sflowxdr_mark(x, 0); | |
560 | process_counter_sample(x); | |
561 | /* Make sure we pick up the decoding where we left off. */ | |
562 | sflowxdr_setc(x, csEnd); | |
563 | ||
564 | /* Clear the offsets for the next sample. */ | |
565 | memset(&x->offset, 0, sizeof x->offset); | |
566 | } | |
567 | break; | |
568 | ||
569 | case SFLOW_FLOW_SAMPLE: | |
570 | case SFLOW_FLOW_SAMPLE_EXPANDED: | |
571 | { | |
572 | uint32_t fsElements, e; | |
573 | uint32_t feTag, feQuads, feMark, fsEnd; | |
574 | x->fsSeqNo = sflowxdr_next(x); | |
575 | if (sType == SFLOW_FLOW_SAMPLE_EXPANDED) { | |
576 | x->dsClass = sflowxdr_next(x); | |
577 | x->dsIndex = sflowxdr_next(x); | |
578 | } else { | |
579 | uint32_t dsCombined = sflowxdr_next(x); | |
580 | x->dsClass = dsCombined >> 24; | |
581 | x->dsIndex = dsCombined & 0x00FFFFFF; | |
582 | } | |
583 | x->meanSkipCount = sflowxdr_next(x); | |
584 | x->samplePool = sflowxdr_next(x); | |
585 | x->dropEvents = sflowxdr_next(x); | |
586 | if (sType == SFLOW_FLOW_SAMPLE_EXPANDED) { | |
587 | x->inputPortFormat = sflowxdr_next(x); | |
588 | x->inputPort = sflowxdr_next(x); | |
589 | x->outputPortFormat = sflowxdr_next(x); | |
590 | x->outputPort = sflowxdr_next(x); | |
591 | } else { | |
592 | uint32_t inp, outp; | |
593 | ||
594 | inp = sflowxdr_next(x); | |
595 | outp = sflowxdr_next(x); | |
596 | x->inputPortFormat = inp >> 30; | |
597 | x->inputPort = inp & 0x3fffffff; | |
598 | x->outputPortFormat = outp >> 30; | |
599 | x->outputPort = outp & 0x3fffffff; | |
600 | } | |
601 | fsElements = sflowxdr_next(x); | |
602 | for (e = 0; e < fsElements; e++) { | |
603 | SFLOWXDR_assert(x, sflowxdr_more(x,2)); | |
604 | feTag = sflowxdr_next(x); | |
605 | feQuads = sflowxdr_next(x) >> 2; | |
606 | feMark = sflowxdr_mark(x, feQuads); | |
607 | SFLOWXDR_assert(x, sflowxdr_more(x,feQuads)); | |
608 | /* Only care about selected structures. Just record their | |
609 | * offsets here. We'll read the fields out below. */ | |
610 | switch (feTag) { | |
611 | case SFLOW_TAG_PKT_HEADER: | |
612 | sflowxdr_mark_unique(x, &x->offset.HEADER); | |
613 | break; | |
614 | ||
615 | case SFLOW_TAG_PKT_SWITCH: | |
616 | sflowxdr_mark_unique(x, &x->offset.SWITCH); | |
617 | break; | |
618 | ||
5a0e4aec | 619 | case SFLOW_TAG_PKT_TUNNEL4_OUT: |
50b9699f NM |
620 | sflowxdr_mark_unique(x, &x->offset.TUNNEL4_OUT); |
621 | break; | |
622 | ||
5a0e4aec | 623 | case SFLOW_TAG_PKT_TUNNEL4_IN: |
50b9699f NM |
624 | sflowxdr_mark_unique(x, &x->offset.TUNNEL4_IN); |
625 | break; | |
626 | ||
5a0e4aec | 627 | case SFLOW_TAG_PKT_TUNNEL_VNI_OUT: |
50b9699f NM |
628 | sflowxdr_mark_unique(x, &x->offset.TUNNEL_VNI_OUT); |
629 | break; | |
630 | ||
5a0e4aec | 631 | case SFLOW_TAG_PKT_TUNNEL_VNI_IN: |
50b9699f NM |
632 | sflowxdr_mark_unique(x, &x->offset.TUNNEL_VNI_IN); |
633 | break; | |
634 | ||
5a0e4aec | 635 | case SFLOW_TAG_PKT_MPLS: |
7321bda3 NM |
636 | sflowxdr_mark_unique(x, &x->offset.MPLS); |
637 | break; | |
638 | ||
8073dd31 NM |
639 | /* Add others here... */ |
640 | } | |
641 | ||
642 | sflowxdr_skip(x, feQuads); | |
643 | SFLOWXDR_assert(x, sflowxdr_mark_ok(x, feMark)); | |
644 | } | |
645 | ||
646 | fsEnd = sflowxdr_mark(x, 0); | |
647 | process_flow_sample(x); | |
648 | /* Make sure we pick up the decoding where we left off. */ | |
649 | sflowxdr_setc(x, fsEnd); | |
650 | ||
651 | /* Clear the offsets for the next counter/flow sample. */ | |
652 | memset(&x->offset, 0, sizeof x->offset); | |
653 | } | |
654 | break; | |
655 | ||
656 | default: | |
657 | /* Skip other sample types. */ | |
658 | sflowxdr_skip(x, sQuads); | |
659 | } | |
660 | SFLOWXDR_assert(x, sflowxdr_mark_ok(x, sMark)); | |
661 | } | |
662 | } | |
663 | ||
664 | static void | |
665 | print_sflow(struct ofpbuf *buf) | |
666 | { | |
667 | char *dgram_buf; | |
6fd6ed71 | 668 | int dgram_len = buf->size; |
8073dd31 NM |
669 | struct sflow_xdr xdrDatagram; |
670 | struct sflow_xdr *x = &xdrDatagram; | |
671 | ||
672 | memset(x, 0, sizeof *x); | |
673 | if (SFLOWXDR_try(x)) { | |
6fd6ed71 | 674 | SFLOWXDR_assert(x, (dgram_buf = ofpbuf_try_pull(buf, buf->size))); |
8073dd31 NM |
675 | sflowxdr_init(x, dgram_buf, dgram_len); |
676 | SFLOWXDR_assert(x, dgram_len >= SFLOW_MIN_LEN); | |
677 | process_datagram(x); | |
678 | } else { | |
679 | // CATCH | |
89387713 | 680 | printf("\n>>>>> ERROR in " __FILE__ " at line %d\n", x->errline); |
8073dd31 NM |
681 | } |
682 | } | |
683 | ||
eadd1644 AZ |
684 | static void |
685 | test_sflow_main(int argc, char *argv[]) | |
8073dd31 NM |
686 | { |
687 | struct unixctl_server *server; | |
688 | enum { MAX_RECV = 1500 }; | |
689 | const char *target; | |
690 | struct ofpbuf buf; | |
691 | bool exiting = false; | |
692 | int error; | |
693 | int sock; | |
694 | ||
5f383751 | 695 | ovs_cmdl_proctitle_init(argc, argv); |
8073dd31 | 696 | set_program_name(argv[0]); |
8f26aeb9 | 697 | service_start(&argc, &argv); |
8073dd31 NM |
698 | parse_options(argc, argv); |
699 | ||
700 | if (argc - optind != 1) { | |
701 | ovs_fatal(0, "exactly one non-option argument required " | |
702 | "(use --help for help)"); | |
703 | } | |
704 | target = argv[optind]; | |
705 | ||
b52ecd96 | 706 | sock = inet_open_passive(SOCK_DGRAM, target, 0, NULL, 0, true); |
8073dd31 | 707 | if (sock < 0) { |
2dd88e5d | 708 | ovs_fatal(0, "%s: failed to open (%s)", target, ovs_strerror(-sock)); |
8073dd31 NM |
709 | } |
710 | ||
711 | daemon_save_fd(STDOUT_FILENO); | |
e91b927d | 712 | daemonize_start(false); |
8073dd31 NM |
713 | |
714 | error = unixctl_server_create(NULL, &server); | |
715 | if (error) { | |
716 | ovs_fatal(error, "failed to create unixctl server"); | |
717 | } | |
718 | unixctl_command_register("exit", "", 0, 0, test_sflow_exit, &exiting); | |
719 | ||
720 | daemonize_complete(); | |
721 | ||
722 | ofpbuf_init(&buf, MAX_RECV); | |
723 | for (;;) { | |
724 | int retval; | |
725 | ||
726 | unixctl_server_run(server); | |
727 | ||
728 | ofpbuf_clear(&buf); | |
729 | do { | |
6fd6ed71 | 730 | retval = recv(sock, buf.data, buf.allocated, 0); |
8073dd31 NM |
731 | } while (retval < 0 && errno == EINTR); |
732 | if (retval > 0) { | |
733 | ofpbuf_put_uninit(&buf, retval); | |
734 | print_sflow(&buf); | |
735 | fflush(stdout); | |
736 | } | |
737 | ||
738 | if (exiting) { | |
739 | break; | |
740 | } | |
741 | ||
742 | poll_fd_wait(sock, POLLIN); | |
743 | unixctl_server_wait(server); | |
744 | poll_block(); | |
745 | } | |
d1a74e5e IM |
746 | ofpbuf_uninit(&buf); |
747 | unixctl_server_destroy(server); | |
8073dd31 NM |
748 | } |
749 | ||
750 | static void | |
751 | parse_options(int argc, char *argv[]) | |
752 | { | |
753 | enum { | |
977529e4 BP |
754 | DAEMON_OPTION_ENUMS, |
755 | VLOG_OPTION_ENUMS | |
8073dd31 | 756 | }; |
07fc4ed3 | 757 | static const struct option long_options[] = { |
8073dd31 NM |
758 | {"verbose", optional_argument, NULL, 'v'}, |
759 | {"help", no_argument, NULL, 'h'}, | |
760 | DAEMON_LONG_OPTIONS, | |
977529e4 | 761 | VLOG_LONG_OPTIONS, |
8073dd31 NM |
762 | {NULL, 0, NULL, 0}, |
763 | }; | |
5f383751 | 764 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
8073dd31 NM |
765 | |
766 | for (;;) { | |
767 | int c = getopt_long(argc, argv, short_options, long_options, NULL); | |
768 | if (c == -1) { | |
769 | break; | |
770 | } | |
771 | ||
772 | switch (c) { | |
773 | case 'h': | |
774 | usage(); | |
775 | ||
977529e4 BP |
776 | DAEMON_OPTION_HANDLERS |
777 | VLOG_OPTION_HANDLERS | |
8073dd31 NM |
778 | |
779 | case '?': | |
780 | exit(EXIT_FAILURE); | |
781 | ||
782 | default: | |
783 | abort(); | |
784 | } | |
785 | } | |
786 | free(short_options); | |
787 | } | |
788 | ||
789 | static void | |
790 | usage(void) | |
791 | { | |
792 | printf("%s: sflow collector test utility\n" | |
793 | "usage: %s [OPTIONS] PORT[:IP]\n" | |
794 | "where PORT is the UDP port to listen on and IP is optionally\n" | |
795 | "the IP address to listen on.\n", | |
796 | program_name, program_name); | |
797 | daemon_usage(); | |
798 | vlog_usage(); | |
799 | printf("\nOther options:\n" | |
800 | " -h, --help display this help message\n"); | |
801 | exit(EXIT_SUCCESS); | |
802 | } | |
803 | ||
804 | static void | |
805 | test_sflow_exit(struct unixctl_conn *conn, | |
806 | int argc OVS_UNUSED, const char *argv[] OVS_UNUSED, | |
807 | void *exiting_) | |
808 | { | |
809 | bool *exiting = exiting_; | |
810 | *exiting = true; | |
811 | unixctl_command_reply(conn, NULL); | |
812 | } | |
eadd1644 AZ |
813 | |
814 | OVSTEST_REGISTER("test-sflow", test_sflow_main); |