Commit | Line | Data |
---|---|---|
00e2e675 | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2012 David Goulet <dgoulet@efficios.com> |
00e2e675 | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: GPL-2.0-only |
00e2e675 | 5 | * |
00e2e675 DG |
6 | */ |
7 | ||
6c1c0768 | 8 | #define _LGPL_SOURCE |
00e2e675 DG |
9 | #include <stdio.h> |
10 | #include <stdlib.h> | |
11 | #include <string.h> | |
12 | #include <sys/stat.h> | |
77c7c900 | 13 | #include <inttypes.h> |
00e2e675 DG |
14 | |
15 | #include <common/common.h> | |
16 | #include <common/defaults.h> | |
f263b7fd | 17 | #include <common/compat/endian.h> |
27283937 | 18 | #include <common/compat/string.h> |
00e2e675 | 19 | #include <common/sessiond-comm/relayd.h> |
50adc264 | 20 | #include <common/index/ctf-index.h> |
d2956687 | 21 | #include <common/trace-chunk.h> |
c35f9726 | 22 | #include <common/string-utils/format.h> |
00e2e675 DG |
23 | |
24 | #include "relayd.h" | |
25 | ||
070b6a86 MD |
26 | static |
27 | bool relayd_supports_chunks(const struct lttcomm_relayd_sock *sock) | |
28 | { | |
29 | if (sock->major > 2) { | |
30 | return true; | |
31 | } else if (sock->major == 2 && sock->minor >= 11) { | |
32 | return true; | |
33 | } | |
34 | return false; | |
35 | } | |
36 | ||
8614e600 MD |
37 | static |
38 | bool relayd_supports_get_configuration(const struct lttcomm_relayd_sock *sock) | |
39 | { | |
40 | if (sock->major > 2) { | |
41 | return true; | |
42 | } else if (sock->major == 2 && sock->minor >= 12) { | |
43 | return true; | |
44 | } | |
45 | return false; | |
46 | } | |
47 | ||
00e2e675 DG |
48 | /* |
49 | * Send command. Fill up the header and append the data. | |
50 | */ | |
6151a90f | 51 | static int send_command(struct lttcomm_relayd_sock *rsock, |
76b9afaa | 52 | enum lttcomm_relayd_command cmd, const void *data, size_t size, |
00e2e675 DG |
53 | int flags) |
54 | { | |
55 | int ret; | |
56 | struct lttcomm_relayd_hdr header; | |
57 | char *buf; | |
58 | uint64_t buf_size = sizeof(header); | |
59 | ||
f96e4545 MD |
60 | if (rsock->sock.fd < 0) { |
61 | return -ECONNRESET; | |
62 | } | |
63 | ||
00e2e675 DG |
64 | if (data) { |
65 | buf_size += size; | |
66 | } | |
67 | ||
55caead7 | 68 | buf = (char *) zmalloc(buf_size); |
00e2e675 DG |
69 | if (buf == NULL) { |
70 | PERROR("zmalloc relayd send command buf"); | |
71 | ret = -1; | |
72 | goto alloc_error; | |
73 | } | |
74 | ||
53efb85a | 75 | memset(&header, 0, sizeof(header)); |
00e2e675 DG |
76 | header.cmd = htobe32(cmd); |
77 | header.data_size = htobe64(size); | |
78 | ||
79 | /* Zeroed for now since not used. */ | |
80 | header.cmd_version = 0; | |
81 | header.circuit_id = 0; | |
82 | ||
83 | /* Prepare buffer to send. */ | |
84 | memcpy(buf, &header, sizeof(header)); | |
85 | if (data) { | |
86 | memcpy(buf + sizeof(header), data, size); | |
87 | } | |
88 | ||
06586bbe | 89 | DBG3("Relayd sending command %d of size %" PRIu64, (int) cmd, buf_size); |
6151a90f | 90 | ret = rsock->sock.ops->sendmsg(&rsock->sock, buf, buf_size, flags); |
00e2e675 | 91 | if (ret < 0) { |
06586bbe JG |
92 | PERROR("Failed to send command %d of size %" PRIu64, |
93 | (int) cmd, buf_size); | |
8994307f | 94 | ret = -errno; |
00e2e675 DG |
95 | goto error; |
96 | } | |
00e2e675 DG |
97 | error: |
98 | free(buf); | |
99 | alloc_error: | |
100 | return ret; | |
101 | } | |
102 | ||
103 | /* | |
104 | * Receive reply data on socket. This MUST be call after send_command or else | |
105 | * could result in unexpected behavior(s). | |
106 | */ | |
6151a90f | 107 | static int recv_reply(struct lttcomm_relayd_sock *rsock, void *data, size_t size) |
00e2e675 DG |
108 | { |
109 | int ret; | |
110 | ||
f96e4545 MD |
111 | if (rsock->sock.fd < 0) { |
112 | return -ECONNRESET; | |
113 | } | |
114 | ||
8fd623e0 | 115 | DBG3("Relayd waiting for reply of size %zu", size); |
00e2e675 | 116 | |
6151a90f | 117 | ret = rsock->sock.ops->recvmsg(&rsock->sock, data, size, 0); |
20275fe8 DG |
118 | if (ret <= 0 || ret != size) { |
119 | if (ret == 0) { | |
120 | /* Orderly shutdown. */ | |
6151a90f | 121 | DBG("Socket %d has performed an orderly shutdown", rsock->sock.fd); |
20275fe8 | 122 | } else { |
8fd623e0 | 123 | DBG("Receiving reply failed on sock %d for size %zu with ret %d", |
6151a90f | 124 | rsock->sock.fd, size, ret); |
20275fe8 DG |
125 | } |
126 | /* Always return -1 here and the caller can use errno. */ | |
127 | ret = -1; | |
00e2e675 DG |
128 | goto error; |
129 | } | |
130 | ||
131 | error: | |
132 | return ret; | |
133 | } | |
134 | ||
d3e2ba59 | 135 | /* |
6fa5fe7c MD |
136 | * Starting from 2.11, RELAYD_CREATE_SESSION payload (session_name, |
137 | * hostname, and base_path) have no length restriction on the sender side. | |
f86f6389 JR |
138 | * Length for both payloads is stored in the msg struct. A new dynamic size |
139 | * payload size is introduced. | |
140 | */ | |
141 | static int relayd_create_session_2_11(struct lttcomm_relayd_sock *rsock, | |
fb9a95c4 | 142 | const char *session_name, const char *hostname, |
6fa5fe7c MD |
143 | const char *base_path, int session_live_timer, |
144 | unsigned int snapshot, uint64_t sessiond_session_id, | |
145 | const lttng_uuid sessiond_uuid, const uint64_t *current_chunk_id, | |
ecd1a12f MD |
146 | time_t creation_time, bool session_name_contains_creation_time, |
147 | struct lttcomm_relayd_create_session_reply_2_11 *reply, | |
148 | char *output_path) | |
f86f6389 JR |
149 | { |
150 | int ret; | |
151 | struct lttcomm_relayd_create_session_2_11 *msg = NULL; | |
152 | size_t session_name_len; | |
153 | size_t hostname_len; | |
6fa5fe7c | 154 | size_t base_path_len; |
f86f6389 | 155 | size_t msg_length; |
6fa5fe7c | 156 | char *dst; |
f86f6389 | 157 | |
46ef2188 MD |
158 | if (!base_path) { |
159 | base_path = ""; | |
160 | } | |
161 | /* The three names are sent with a '\0' delimiter between them. */ | |
f86f6389 JR |
162 | session_name_len = strlen(session_name) + 1; |
163 | hostname_len = strlen(hostname) + 1; | |
17e736a5 | 164 | base_path_len = strlen(base_path) + 1; |
f86f6389 | 165 | |
6fa5fe7c | 166 | msg_length = sizeof(*msg) + session_name_len + hostname_len + base_path_len; |
55caead7 | 167 | msg = (lttcomm_relayd_create_session_2_11 *) zmalloc(msg_length); |
f86f6389 JR |
168 | if (!msg) { |
169 | PERROR("zmalloc create_session_2_11 command message"); | |
170 | ret = -1; | |
171 | goto error; | |
172 | } | |
173 | ||
a0377dfe | 174 | LTTNG_ASSERT(session_name_len <= UINT32_MAX); |
f86f6389 JR |
175 | msg->session_name_len = htobe32(session_name_len); |
176 | ||
a0377dfe | 177 | LTTNG_ASSERT(hostname_len <= UINT32_MAX); |
f86f6389 JR |
178 | msg->hostname_len = htobe32(hostname_len); |
179 | ||
a0377dfe | 180 | LTTNG_ASSERT(base_path_len <= UINT32_MAX); |
6fa5fe7c MD |
181 | msg->base_path_len = htobe32(base_path_len); |
182 | ||
183 | dst = msg->names; | |
184 | if (lttng_strncpy(dst, session_name, session_name_len)) { | |
185 | ret = -1; | |
186 | goto error; | |
187 | } | |
188 | dst += session_name_len; | |
189 | if (lttng_strncpy(dst, hostname, hostname_len)) { | |
f86f6389 JR |
190 | ret = -1; |
191 | goto error; | |
192 | } | |
6fa5fe7c | 193 | dst += hostname_len; |
36f9f13b | 194 | if (lttng_strncpy(dst, base_path, base_path_len)) { |
f86f6389 JR |
195 | ret = -1; |
196 | goto error; | |
197 | } | |
198 | ||
199 | msg->live_timer = htobe32(session_live_timer); | |
200 | msg->snapshot = !!snapshot; | |
201 | ||
658f12fa JG |
202 | lttng_uuid_copy(msg->sessiond_uuid, sessiond_uuid); |
203 | msg->session_id = htobe64(sessiond_session_id); | |
46ef2188 | 204 | msg->session_name_contains_creation_time = session_name_contains_creation_time; |
f39bd140 JG |
205 | if (current_chunk_id) { |
206 | LTTNG_OPTIONAL_SET(&msg->current_chunk_id, | |
207 | htobe64(*current_chunk_id)); | |
208 | } | |
209 | ||
db1da059 JG |
210 | msg->creation_time = htobe64((uint64_t) creation_time); |
211 | ||
f86f6389 JR |
212 | /* Send command */ |
213 | ret = send_command(rsock, RELAYD_CREATE_SESSION, msg, msg_length, 0); | |
214 | if (ret < 0) { | |
215 | goto error; | |
216 | } | |
ecd1a12f MD |
217 | /* Receive response */ |
218 | ret = recv_reply(rsock, reply, sizeof(*reply)); | |
219 | if (ret < 0) { | |
220 | goto error; | |
221 | } | |
222 | reply->generic.session_id = be64toh(reply->generic.session_id); | |
223 | reply->generic.ret_code = be32toh(reply->generic.ret_code); | |
224 | reply->output_path_length = be32toh(reply->output_path_length); | |
225 | if (reply->output_path_length >= LTTNG_PATH_MAX) { | |
226 | ERR("Invalid session output path length in reply (%" PRIu32 " bytes) exceeds maximal allowed length (%d bytes)", | |
227 | reply->output_path_length, LTTNG_PATH_MAX); | |
228 | ret = -1; | |
229 | goto error; | |
230 | } | |
231 | ret = recv_reply(rsock, output_path, reply->output_path_length); | |
232 | if (ret < 0) { | |
233 | goto error; | |
234 | } | |
f86f6389 JR |
235 | error: |
236 | free(msg); | |
237 | return ret; | |
238 | } | |
239 | /* | |
240 | * From 2.4 to 2.10, RELAYD_CREATE_SESSION takes additional parameters to | |
d3e2ba59 JD |
241 | * support the live reading capability. |
242 | */ | |
243 | static int relayd_create_session_2_4(struct lttcomm_relayd_sock *rsock, | |
fb9a95c4 | 244 | const char *session_name, const char *hostname, |
ecd1a12f MD |
245 | int session_live_timer, unsigned int snapshot, |
246 | struct lttcomm_relayd_status_session *reply) | |
d3e2ba59 JD |
247 | { |
248 | int ret; | |
249 | struct lttcomm_relayd_create_session_2_4 msg; | |
250 | ||
3a13ffd5 MD |
251 | if (lttng_strncpy(msg.session_name, session_name, |
252 | sizeof(msg.session_name))) { | |
246777db MD |
253 | ret = -1; |
254 | goto error; | |
255 | } | |
3a13ffd5 | 256 | if (lttng_strncpy(msg.hostname, hostname, sizeof(msg.hostname))) { |
246777db MD |
257 | ret = -1; |
258 | goto error; | |
259 | } | |
d3e2ba59 | 260 | msg.live_timer = htobe32(session_live_timer); |
7d2f7452 | 261 | msg.snapshot = htobe32(snapshot); |
d3e2ba59 JD |
262 | |
263 | /* Send command */ | |
264 | ret = send_command(rsock, RELAYD_CREATE_SESSION, &msg, sizeof(msg), 0); | |
265 | if (ret < 0) { | |
266 | goto error; | |
267 | } | |
268 | ||
ecd1a12f MD |
269 | /* Receive response */ |
270 | ret = recv_reply(rsock, reply, sizeof(*reply)); | |
271 | if (ret < 0) { | |
272 | goto error; | |
273 | } | |
274 | reply->session_id = be64toh(reply->session_id); | |
275 | reply->ret_code = be32toh(reply->ret_code); | |
d3e2ba59 JD |
276 | error: |
277 | return ret; | |
278 | } | |
279 | ||
280 | /* | |
281 | * RELAYD_CREATE_SESSION from 2.1 to 2.3. | |
282 | */ | |
ecd1a12f MD |
283 | static int relayd_create_session_2_1(struct lttcomm_relayd_sock *rsock, |
284 | struct lttcomm_relayd_status_session *reply) | |
d3e2ba59 JD |
285 | { |
286 | int ret; | |
287 | ||
288 | /* Send command */ | |
289 | ret = send_command(rsock, RELAYD_CREATE_SESSION, NULL, 0, 0); | |
290 | if (ret < 0) { | |
291 | goto error; | |
292 | } | |
293 | ||
ecd1a12f MD |
294 | /* Receive response */ |
295 | ret = recv_reply(rsock, reply, sizeof(*reply)); | |
296 | if (ret < 0) { | |
297 | goto error; | |
298 | } | |
299 | reply->session_id = be64toh(reply->session_id); | |
300 | reply->ret_code = be32toh(reply->ret_code); | |
d3e2ba59 JD |
301 | error: |
302 | return ret; | |
303 | } | |
304 | ||
c5b6f4f0 DG |
305 | /* |
306 | * Send a RELAYD_CREATE_SESSION command to the relayd with the given socket and | |
307 | * set session_id of the relayd if we have a successful reply from the relayd. | |
308 | * | |
20275fe8 DG |
309 | * On success, return 0 else a negative value which is either an errno error or |
310 | * a lttng error code from the relayd. | |
c5b6f4f0 | 311 | */ |
fb9a95c4 JG |
312 | int relayd_create_session(struct lttcomm_relayd_sock *rsock, |
313 | uint64_t *relayd_session_id, | |
314 | const char *session_name, const char *hostname, | |
6fa5fe7c | 315 | const char *base_path, int session_live_timer, |
658f12fa | 316 | unsigned int snapshot, uint64_t sessiond_session_id, |
f39bd140 | 317 | const lttng_uuid sessiond_uuid, |
db1da059 | 318 | const uint64_t *current_chunk_id, |
ecd1a12f MD |
319 | time_t creation_time, bool session_name_contains_creation_time, |
320 | char *output_path) | |
c5b6f4f0 DG |
321 | { |
322 | int ret; | |
ecd1a12f | 323 | struct lttcomm_relayd_create_session_reply_2_11 reply = {}; |
c5b6f4f0 | 324 | |
a0377dfe FD |
325 | LTTNG_ASSERT(rsock); |
326 | LTTNG_ASSERT(relayd_session_id); | |
c5b6f4f0 DG |
327 | |
328 | DBG("Relayd create session"); | |
329 | ||
f86f6389 JR |
330 | if (rsock->minor < 4) { |
331 | /* From 2.1 to 2.3 */ | |
ecd1a12f | 332 | ret = relayd_create_session_2_1(rsock, &reply.generic); |
f86f6389 JR |
333 | } else if (rsock->minor >= 4 && rsock->minor < 11) { |
334 | /* From 2.4 to 2.10 */ | |
335 | ret = relayd_create_session_2_4(rsock, session_name, | |
ecd1a12f MD |
336 | hostname, session_live_timer, snapshot, |
337 | &reply.generic); | |
f86f6389 JR |
338 | } else { |
339 | /* From 2.11 to ... */ | |
340 | ret = relayd_create_session_2_11(rsock, session_name, | |
6fa5fe7c | 341 | hostname, base_path, session_live_timer, snapshot, |
f39bd140 | 342 | sessiond_session_id, sessiond_uuid, |
46ef2188 | 343 | current_chunk_id, creation_time, |
ecd1a12f MD |
344 | session_name_contains_creation_time, |
345 | &reply, output_path); | |
c5b6f4f0 DG |
346 | } |
347 | ||
c5b6f4f0 DG |
348 | if (ret < 0) { |
349 | goto error; | |
350 | } | |
351 | ||
c5b6f4f0 | 352 | /* Return session id or negative ret code. */ |
ecd1a12f | 353 | if (reply.generic.ret_code != LTTNG_OK) { |
bb63afd9 | 354 | ret = -1; |
ecd1a12f MD |
355 | ERR("Relayd create session replied error %d", |
356 | reply.generic.ret_code); | |
c5b6f4f0 DG |
357 | goto error; |
358 | } else { | |
359 | ret = 0; | |
ecd1a12f | 360 | *relayd_session_id = reply.generic.session_id; |
c5b6f4f0 DG |
361 | } |
362 | ||
ecd1a12f | 363 | DBG("Relayd session created with id %" PRIu64, reply.generic.session_id); |
c5b6f4f0 DG |
364 | |
365 | error: | |
366 | return ret; | |
367 | } | |
368 | ||
2f21a469 JR |
369 | static int relayd_add_stream_2_1(struct lttcomm_relayd_sock *rsock, |
370 | const char *channel_name, const char *pathname) | |
371 | { | |
372 | int ret; | |
373 | struct lttcomm_relayd_add_stream msg; | |
374 | ||
375 | memset(&msg, 0, sizeof(msg)); | |
376 | if (lttng_strncpy(msg.channel_name, channel_name, | |
377 | sizeof(msg.channel_name))) { | |
378 | ret = -1; | |
379 | goto error; | |
380 | } | |
381 | ||
382 | if (lttng_strncpy(msg.pathname, pathname, | |
383 | sizeof(msg.pathname))) { | |
384 | ret = -1; | |
385 | goto error; | |
386 | } | |
387 | ||
388 | /* Send command */ | |
389 | ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0); | |
390 | if (ret < 0) { | |
391 | ret = -1; | |
392 | goto error; | |
393 | } | |
394 | ret = 0; | |
395 | error: | |
396 | return ret; | |
397 | } | |
398 | ||
399 | static int relayd_add_stream_2_2(struct lttcomm_relayd_sock *rsock, | |
400 | const char *channel_name, const char *pathname, | |
401 | uint64_t tracefile_size, uint64_t tracefile_count) | |
402 | { | |
403 | int ret; | |
404 | struct lttcomm_relayd_add_stream_2_2 msg; | |
405 | ||
406 | memset(&msg, 0, sizeof(msg)); | |
407 | /* Compat with relayd 2.2 to 2.10 */ | |
408 | if (lttng_strncpy(msg.channel_name, channel_name, | |
409 | sizeof(msg.channel_name))) { | |
410 | ret = -1; | |
411 | goto error; | |
412 | } | |
413 | if (lttng_strncpy(msg.pathname, pathname, | |
414 | sizeof(msg.pathname))) { | |
415 | ret = -1; | |
416 | goto error; | |
417 | } | |
418 | msg.tracefile_size = htobe64(tracefile_size); | |
419 | msg.tracefile_count = htobe64(tracefile_count); | |
420 | ||
421 | /* Send command */ | |
422 | ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0); | |
423 | if (ret < 0) { | |
424 | goto error; | |
425 | } | |
426 | ret = 0; | |
427 | error: | |
428 | return ret; | |
429 | } | |
430 | ||
431 | static int relayd_add_stream_2_11(struct lttcomm_relayd_sock *rsock, | |
432 | const char *channel_name, const char *pathname, | |
b00e554e JG |
433 | uint64_t tracefile_size, uint64_t tracefile_count, |
434 | uint64_t trace_archive_id) | |
2f21a469 JR |
435 | { |
436 | int ret; | |
437 | struct lttcomm_relayd_add_stream_2_11 *msg = NULL; | |
438 | size_t channel_name_len; | |
439 | size_t pathname_len; | |
440 | size_t msg_length; | |
441 | ||
442 | /* The two names are sent with a '\0' delimiter between them. */ | |
443 | channel_name_len = strlen(channel_name) + 1; | |
444 | pathname_len = strlen(pathname) + 1; | |
445 | ||
446 | msg_length = sizeof(*msg) + channel_name_len + pathname_len; | |
55caead7 | 447 | msg = (lttcomm_relayd_add_stream_2_11 *) zmalloc(msg_length); |
2f21a469 JR |
448 | if (!msg) { |
449 | PERROR("zmalloc add_stream_2_11 command message"); | |
450 | ret = -1; | |
451 | goto error; | |
452 | } | |
453 | ||
a0377dfe | 454 | LTTNG_ASSERT(channel_name_len <= UINT32_MAX); |
2f21a469 JR |
455 | msg->channel_name_len = htobe32(channel_name_len); |
456 | ||
a0377dfe | 457 | LTTNG_ASSERT(pathname_len <= UINT32_MAX); |
2f21a469 JR |
458 | msg->pathname_len = htobe32(pathname_len); |
459 | ||
460 | if (lttng_strncpy(msg->names, channel_name, channel_name_len)) { | |
461 | ret = -1; | |
462 | goto error; | |
463 | } | |
464 | if (lttng_strncpy(msg->names + channel_name_len, pathname, pathname_len)) { | |
465 | ret = -1; | |
466 | goto error; | |
467 | } | |
468 | ||
469 | msg->tracefile_size = htobe64(tracefile_size); | |
470 | msg->tracefile_count = htobe64(tracefile_count); | |
348a81dc | 471 | msg->trace_chunk_id = htobe64(trace_archive_id); |
2f21a469 JR |
472 | |
473 | /* Send command */ | |
474 | ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) msg, msg_length, 0); | |
475 | if (ret < 0) { | |
476 | goto error; | |
477 | } | |
478 | ret = 0; | |
479 | error: | |
480 | free(msg); | |
481 | return ret; | |
482 | } | |
483 | ||
00e2e675 DG |
484 | /* |
485 | * Add stream on the relayd and assign stream handle to the stream_id argument. | |
486 | * | |
070b6a86 MD |
487 | * Chunks are not supported by relayd prior to 2.11, but are used to |
488 | * internally between session daemon and consumer daemon to keep track | |
489 | * of the channel and stream output path. | |
490 | * | |
00e2e675 DG |
491 | * On success return 0 else return ret_code negative value. |
492 | */ | |
6151a90f | 493 | int relayd_add_stream(struct lttcomm_relayd_sock *rsock, const char *channel_name, |
5da88b0f | 494 | const char *domain_name, const char *_pathname, uint64_t *stream_id, |
0b50e4b3 | 495 | uint64_t tracefile_size, uint64_t tracefile_count, |
d2956687 | 496 | struct lttng_trace_chunk *trace_chunk) |
00e2e675 DG |
497 | { |
498 | int ret; | |
00e2e675 | 499 | struct lttcomm_relayd_status_stream reply; |
5da88b0f | 500 | char pathname[RELAYD_COMM_LTTNG_PATH_MAX]; |
00e2e675 DG |
501 | |
502 | /* Code flow error. Safety net. */ | |
a0377dfe FD |
503 | LTTNG_ASSERT(rsock); |
504 | LTTNG_ASSERT(channel_name); | |
505 | LTTNG_ASSERT(domain_name); | |
506 | LTTNG_ASSERT(_pathname); | |
507 | LTTNG_ASSERT(trace_chunk); | |
00e2e675 DG |
508 | |
509 | DBG("Relayd adding stream for channel name %s", channel_name); | |
510 | ||
0f907de1 JD |
511 | /* Compat with relayd 2.1 */ |
512 | if (rsock->minor == 1) { | |
2f21a469 | 513 | /* For 2.1 */ |
5fab2976 | 514 | ret = relayd_add_stream_2_1(rsock, channel_name, _pathname); |
55caead7 | 515 | |
2f21a469 JR |
516 | } else if (rsock->minor > 1 && rsock->minor < 11) { |
517 | /* From 2.2 to 2.10 */ | |
5fab2976 | 518 | ret = relayd_add_stream_2_2(rsock, channel_name, _pathname, |
2f21a469 | 519 | tracefile_size, tracefile_count); |
0f907de1 | 520 | } else { |
5fab2976 | 521 | const char *separator; |
d2956687 JG |
522 | enum lttng_trace_chunk_status chunk_status; |
523 | uint64_t chunk_id; | |
524 | ||
5fab2976 JR |
525 | if (_pathname[0] == '\0') { |
526 | separator = ""; | |
527 | } else { | |
528 | separator = "/"; | |
529 | } | |
530 | ||
531 | ret = snprintf(pathname, RELAYD_COMM_LTTNG_PATH_MAX, "%s%s%s", | |
532 | domain_name, separator, _pathname); | |
533 | if (ret <= 0 || ret >= RELAYD_COMM_LTTNG_PATH_MAX) { | |
534 | ERR("Failed to format stream path: %s", | |
535 | ret <= 0 ? "formatting error" : | |
536 | "path exceeds maximal allowed length"); | |
537 | ret = -1; | |
538 | goto error; | |
539 | } | |
540 | ||
d2956687 JG |
541 | chunk_status = lttng_trace_chunk_get_id(trace_chunk, |
542 | &chunk_id); | |
a0377dfe | 543 | LTTNG_ASSERT(chunk_status == LTTNG_TRACE_CHUNK_STATUS_OK); |
d2956687 | 544 | |
2f21a469 JR |
545 | /* From 2.11 to ...*/ |
546 | ret = relayd_add_stream_2_11(rsock, channel_name, pathname, | |
b00e554e | 547 | tracefile_size, tracefile_count, |
d2956687 | 548 | chunk_id); |
2f21a469 | 549 | } |
0f907de1 | 550 | |
2f21a469 JR |
551 | if (ret) { |
552 | ret = -1; | |
553 | goto error; | |
00e2e675 DG |
554 | } |
555 | ||
633d0084 | 556 | /* Waiting for reply */ |
6151a90f | 557 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); |
00e2e675 DG |
558 | if (ret < 0) { |
559 | goto error; | |
560 | } | |
561 | ||
562 | /* Back to host bytes order. */ | |
563 | reply.handle = be64toh(reply.handle); | |
564 | reply.ret_code = be32toh(reply.ret_code); | |
565 | ||
566 | /* Return session id or negative ret code. */ | |
f73fabfd | 567 | if (reply.ret_code != LTTNG_OK) { |
bb63afd9 DG |
568 | ret = -1; |
569 | ERR("Relayd add stream replied error %d", reply.ret_code); | |
00e2e675 DG |
570 | } else { |
571 | /* Success */ | |
572 | ret = 0; | |
573 | *stream_id = reply.handle; | |
574 | } | |
575 | ||
77c7c900 | 576 | DBG("Relayd stream added successfully with handle %" PRIu64, |
2f21a469 | 577 | reply.handle); |
00e2e675 DG |
578 | |
579 | error: | |
580 | return ret; | |
581 | } | |
582 | ||
a4baae1b JD |
583 | /* |
584 | * Inform the relay that all the streams for the current channel has been sent. | |
585 | * | |
586 | * On success return 0 else return ret_code negative value. | |
587 | */ | |
588 | int relayd_streams_sent(struct lttcomm_relayd_sock *rsock) | |
589 | { | |
590 | int ret; | |
591 | struct lttcomm_relayd_generic_reply reply; | |
592 | ||
593 | /* Code flow error. Safety net. */ | |
a0377dfe | 594 | LTTNG_ASSERT(rsock); |
a4baae1b JD |
595 | |
596 | DBG("Relayd sending streams sent."); | |
597 | ||
598 | /* This feature was introduced in 2.4, ignore it for earlier versions. */ | |
599 | if (rsock->minor < 4) { | |
600 | ret = 0; | |
601 | goto end; | |
602 | } | |
603 | ||
604 | /* Send command */ | |
605 | ret = send_command(rsock, RELAYD_STREAMS_SENT, NULL, 0, 0); | |
606 | if (ret < 0) { | |
607 | goto error; | |
608 | } | |
609 | ||
610 | /* Waiting for reply */ | |
611 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); | |
612 | if (ret < 0) { | |
613 | goto error; | |
614 | } | |
615 | ||
616 | /* Back to host bytes order. */ | |
617 | reply.ret_code = be32toh(reply.ret_code); | |
618 | ||
619 | /* Return session id or negative ret code. */ | |
620 | if (reply.ret_code != LTTNG_OK) { | |
621 | ret = -1; | |
622 | ERR("Relayd streams sent replied error %d", reply.ret_code); | |
623 | goto error; | |
624 | } else { | |
625 | /* Success */ | |
626 | ret = 0; | |
627 | } | |
628 | ||
629 | DBG("Relayd streams sent success"); | |
630 | ||
631 | error: | |
632 | end: | |
633 | return ret; | |
634 | } | |
635 | ||
00e2e675 DG |
636 | /* |
637 | * Check version numbers on the relayd. | |
d4519fa3 JD |
638 | * If major versions are compatible, we assign minor_to_use to the |
639 | * minor version of the procotol we are going to use for this session. | |
00e2e675 | 640 | * |
67d5aa28 JD |
641 | * Return 0 if the two daemons are compatible, LTTNG_ERR_RELAYD_VERSION_FAIL |
642 | * otherwise, or a negative value on network errors. | |
00e2e675 | 643 | */ |
6151a90f | 644 | int relayd_version_check(struct lttcomm_relayd_sock *rsock) |
00e2e675 DG |
645 | { |
646 | int ret; | |
092b6259 | 647 | struct lttcomm_relayd_version msg; |
00e2e675 DG |
648 | |
649 | /* Code flow error. Safety net. */ | |
a0377dfe | 650 | LTTNG_ASSERT(rsock); |
00e2e675 | 651 | |
6151a90f JD |
652 | DBG("Relayd version check for major.minor %u.%u", rsock->major, |
653 | rsock->minor); | |
00e2e675 | 654 | |
53efb85a | 655 | memset(&msg, 0, sizeof(msg)); |
092b6259 | 656 | /* Prepare network byte order before transmission. */ |
6151a90f JD |
657 | msg.major = htobe32(rsock->major); |
658 | msg.minor = htobe32(rsock->minor); | |
092b6259 | 659 | |
00e2e675 | 660 | /* Send command */ |
6151a90f | 661 | ret = send_command(rsock, RELAYD_VERSION, (void *) &msg, sizeof(msg), 0); |
00e2e675 DG |
662 | if (ret < 0) { |
663 | goto error; | |
664 | } | |
665 | ||
20275fe8 | 666 | /* Receive response */ |
6151a90f | 667 | ret = recv_reply(rsock, (void *) &msg, sizeof(msg)); |
00e2e675 DG |
668 | if (ret < 0) { |
669 | goto error; | |
670 | } | |
671 | ||
672 | /* Set back to host bytes order */ | |
092b6259 DG |
673 | msg.major = be32toh(msg.major); |
674 | msg.minor = be32toh(msg.minor); | |
675 | ||
676 | /* | |
677 | * Only validate the major version. If the other side is higher, | |
678 | * communication is not possible. Only major version equal can talk to each | |
679 | * other. If the minor version differs, the lowest version is used by both | |
680 | * sides. | |
092b6259 | 681 | */ |
6151a90f | 682 | if (msg.major != rsock->major) { |
d4519fa3 | 683 | /* Not compatible */ |
67d5aa28 | 684 | ret = LTTNG_ERR_RELAYD_VERSION_FAIL; |
d4519fa3 | 685 | DBG2("Relayd version is NOT compatible. Relayd version %u != %u (us)", |
6151a90f | 686 | msg.major, rsock->major); |
092b6259 | 687 | goto error; |
00e2e675 DG |
688 | } |
689 | ||
092b6259 | 690 | /* |
6151a90f JD |
691 | * If the relayd's minor version is higher, it will adapt to our version so |
692 | * we can continue to use the latest relayd communication data structure. | |
693 | * If the received minor version is higher, the relayd should adapt to us. | |
092b6259 | 694 | */ |
6151a90f JD |
695 | if (rsock->minor > msg.minor) { |
696 | rsock->minor = msg.minor; | |
d4519fa3 | 697 | } |
092b6259 | 698 | |
d4519fa3 JD |
699 | /* Version number compatible */ |
700 | DBG2("Relayd version is compatible, using protocol version %u.%u", | |
6151a90f | 701 | rsock->major, rsock->minor); |
d4519fa3 | 702 | ret = 0; |
00e2e675 DG |
703 | |
704 | error: | |
705 | return ret; | |
706 | } | |
707 | ||
00e2e675 DG |
708 | /* |
709 | * Add stream on the relayd and assign stream handle to the stream_id argument. | |
710 | * | |
711 | * On success return 0 else return ret_code negative value. | |
712 | */ | |
6151a90f | 713 | int relayd_send_metadata(struct lttcomm_relayd_sock *rsock, size_t len) |
00e2e675 DG |
714 | { |
715 | int ret; | |
716 | ||
717 | /* Code flow error. Safety net. */ | |
a0377dfe | 718 | LTTNG_ASSERT(rsock); |
00e2e675 | 719 | |
77c7c900 | 720 | DBG("Relayd sending metadata of size %zu", len); |
00e2e675 DG |
721 | |
722 | /* Send command */ | |
6151a90f | 723 | ret = send_command(rsock, RELAYD_SEND_METADATA, NULL, len, 0); |
00e2e675 DG |
724 | if (ret < 0) { |
725 | goto error; | |
726 | } | |
727 | ||
728 | DBG2("Relayd metadata added successfully"); | |
729 | ||
730 | /* | |
731 | * After that call, the metadata data MUST be sent to the relayd so the | |
732 | * receive size on the other end matches the len of the metadata packet | |
633d0084 | 733 | * header. This is why we don't wait for a reply here. |
00e2e675 DG |
734 | */ |
735 | ||
736 | error: | |
737 | return ret; | |
738 | } | |
739 | ||
740 | /* | |
6151a90f | 741 | * Connect to relay daemon with an allocated lttcomm_relayd_sock. |
00e2e675 | 742 | */ |
6151a90f | 743 | int relayd_connect(struct lttcomm_relayd_sock *rsock) |
00e2e675 DG |
744 | { |
745 | /* Code flow error. Safety net. */ | |
a0377dfe | 746 | LTTNG_ASSERT(rsock); |
00e2e675 | 747 | |
f96e4545 MD |
748 | if (!rsock->sock.ops) { |
749 | /* | |
750 | * Attempting a connect on a non-initialized socket. | |
751 | */ | |
752 | return -ECONNRESET; | |
753 | } | |
754 | ||
00e2e675 DG |
755 | DBG3("Relayd connect ..."); |
756 | ||
6151a90f | 757 | return rsock->sock.ops->connect(&rsock->sock); |
00e2e675 DG |
758 | } |
759 | ||
760 | /* | |
6151a90f | 761 | * Close relayd socket with an allocated lttcomm_relayd_sock. |
ffe60014 DG |
762 | * |
763 | * If no socket operations are found, simply return 0 meaning that everything | |
764 | * is fine. Without operations, the socket can not possibly be opened or used. | |
765 | * This is possible if the socket was allocated but not created. However, the | |
766 | * caller could simply use it to store a valid file descriptor for instance | |
767 | * passed over a Unix socket and call this to cleanup but still without a valid | |
768 | * ops pointer. | |
769 | * | |
770 | * Return the close returned value. On error, a negative value is usually | |
771 | * returned back from close(2). | |
00e2e675 | 772 | */ |
6151a90f | 773 | int relayd_close(struct lttcomm_relayd_sock *rsock) |
00e2e675 | 774 | { |
ffe60014 DG |
775 | int ret; |
776 | ||
00e2e675 | 777 | /* Code flow error. Safety net. */ |
a0377dfe | 778 | LTTNG_ASSERT(rsock); |
00e2e675 | 779 | |
ffe60014 | 780 | /* An invalid fd is fine, return success. */ |
6151a90f | 781 | if (rsock->sock.fd < 0) { |
ffe60014 DG |
782 | ret = 0; |
783 | goto end; | |
784 | } | |
785 | ||
6151a90f | 786 | DBG3("Relayd closing socket %d", rsock->sock.fd); |
00e2e675 | 787 | |
6151a90f JD |
788 | if (rsock->sock.ops) { |
789 | ret = rsock->sock.ops->close(&rsock->sock); | |
ffe60014 DG |
790 | } else { |
791 | /* Default call if no specific ops found. */ | |
6151a90f | 792 | ret = close(rsock->sock.fd); |
ffe60014 DG |
793 | if (ret < 0) { |
794 | PERROR("relayd_close default close"); | |
795 | } | |
796 | } | |
f96e4545 | 797 | rsock->sock.fd = -1; |
ffe60014 DG |
798 | |
799 | end: | |
800 | return ret; | |
00e2e675 DG |
801 | } |
802 | ||
803 | /* | |
804 | * Send data header structure to the relayd. | |
805 | */ | |
6151a90f | 806 | int relayd_send_data_hdr(struct lttcomm_relayd_sock *rsock, |
00e2e675 DG |
807 | struct lttcomm_relayd_data_hdr *hdr, size_t size) |
808 | { | |
809 | int ret; | |
810 | ||
811 | /* Code flow error. Safety net. */ | |
a0377dfe FD |
812 | LTTNG_ASSERT(rsock); |
813 | LTTNG_ASSERT(hdr); | |
00e2e675 | 814 | |
f96e4545 MD |
815 | if (rsock->sock.fd < 0) { |
816 | return -ECONNRESET; | |
817 | } | |
818 | ||
8fd623e0 | 819 | DBG3("Relayd sending data header of size %zu", size); |
00e2e675 DG |
820 | |
821 | /* Again, safety net */ | |
822 | if (size == 0) { | |
823 | size = sizeof(struct lttcomm_relayd_data_hdr); | |
824 | } | |
825 | ||
826 | /* Only send data header. */ | |
6151a90f | 827 | ret = rsock->sock.ops->sendmsg(&rsock->sock, hdr, size, 0); |
00e2e675 | 828 | if (ret < 0) { |
8994307f | 829 | ret = -errno; |
00e2e675 DG |
830 | goto error; |
831 | } | |
832 | ||
833 | /* | |
834 | * The data MUST be sent right after that command for the receive on the | |
835 | * other end to match the size in the header. | |
836 | */ | |
837 | ||
838 | error: | |
839 | return ret; | |
840 | } | |
173af62f DG |
841 | |
842 | /* | |
843 | * Send close stream command to the relayd. | |
844 | */ | |
6151a90f | 845 | int relayd_send_close_stream(struct lttcomm_relayd_sock *rsock, uint64_t stream_id, |
173af62f DG |
846 | uint64_t last_net_seq_num) |
847 | { | |
848 | int ret; | |
849 | struct lttcomm_relayd_close_stream msg; | |
850 | struct lttcomm_relayd_generic_reply reply; | |
851 | ||
852 | /* Code flow error. Safety net. */ | |
a0377dfe | 853 | LTTNG_ASSERT(rsock); |
173af62f | 854 | |
77c7c900 | 855 | DBG("Relayd closing stream id %" PRIu64, stream_id); |
173af62f | 856 | |
53efb85a | 857 | memset(&msg, 0, sizeof(msg)); |
173af62f DG |
858 | msg.stream_id = htobe64(stream_id); |
859 | msg.last_net_seq_num = htobe64(last_net_seq_num); | |
860 | ||
861 | /* Send command */ | |
6151a90f | 862 | ret = send_command(rsock, RELAYD_CLOSE_STREAM, (void *) &msg, sizeof(msg), 0); |
173af62f DG |
863 | if (ret < 0) { |
864 | goto error; | |
865 | } | |
866 | ||
20275fe8 | 867 | /* Receive response */ |
6151a90f | 868 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); |
173af62f DG |
869 | if (ret < 0) { |
870 | goto error; | |
871 | } | |
872 | ||
873 | reply.ret_code = be32toh(reply.ret_code); | |
874 | ||
875 | /* Return session id or negative ret code. */ | |
f73fabfd | 876 | if (reply.ret_code != LTTNG_OK) { |
bb63afd9 DG |
877 | ret = -1; |
878 | ERR("Relayd close stream replied error %d", reply.ret_code); | |
173af62f DG |
879 | } else { |
880 | /* Success */ | |
881 | ret = 0; | |
882 | } | |
883 | ||
77c7c900 | 884 | DBG("Relayd close stream id %" PRIu64 " successfully", stream_id); |
173af62f DG |
885 | |
886 | error: | |
887 | return ret; | |
888 | } | |
c8f59ee5 DG |
889 | |
890 | /* | |
891 | * Check for data availability for a given stream id. | |
892 | * | |
6d805429 | 893 | * Return 0 if NOT pending, 1 if so and a negative value on error. |
c8f59ee5 | 894 | */ |
6151a90f | 895 | int relayd_data_pending(struct lttcomm_relayd_sock *rsock, uint64_t stream_id, |
c8f59ee5 DG |
896 | uint64_t last_net_seq_num) |
897 | { | |
898 | int ret; | |
6d805429 | 899 | struct lttcomm_relayd_data_pending msg; |
c8f59ee5 DG |
900 | struct lttcomm_relayd_generic_reply reply; |
901 | ||
902 | /* Code flow error. Safety net. */ | |
a0377dfe | 903 | LTTNG_ASSERT(rsock); |
c8f59ee5 | 904 | |
6d805429 | 905 | DBG("Relayd data pending for stream id %" PRIu64, stream_id); |
c8f59ee5 | 906 | |
53efb85a | 907 | memset(&msg, 0, sizeof(msg)); |
c8f59ee5 DG |
908 | msg.stream_id = htobe64(stream_id); |
909 | msg.last_net_seq_num = htobe64(last_net_seq_num); | |
910 | ||
911 | /* Send command */ | |
6151a90f | 912 | ret = send_command(rsock, RELAYD_DATA_PENDING, (void *) &msg, |
c8f59ee5 DG |
913 | sizeof(msg), 0); |
914 | if (ret < 0) { | |
915 | goto error; | |
916 | } | |
917 | ||
20275fe8 | 918 | /* Receive response */ |
6151a90f | 919 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); |
c8f59ee5 DG |
920 | if (ret < 0) { |
921 | goto error; | |
922 | } | |
923 | ||
924 | reply.ret_code = be32toh(reply.ret_code); | |
925 | ||
926 | /* Return session id or negative ret code. */ | |
927 | if (reply.ret_code >= LTTNG_OK) { | |
bb63afd9 | 928 | ERR("Relayd data pending replied error %d", reply.ret_code); |
c8f59ee5 DG |
929 | } |
930 | ||
931 | /* At this point, the ret code is either 1 or 0 */ | |
932 | ret = reply.ret_code; | |
933 | ||
6d805429 | 934 | DBG("Relayd data is %s pending for stream id %" PRIu64, |
9dd26bb9 | 935 | ret == 1 ? "" : "NOT", stream_id); |
c8f59ee5 DG |
936 | |
937 | error: | |
938 | return ret; | |
939 | } | |
940 | ||
941 | /* | |
942 | * Check on the relayd side for a quiescent state on the control socket. | |
943 | */ | |
6151a90f | 944 | int relayd_quiescent_control(struct lttcomm_relayd_sock *rsock, |
ad7051c0 | 945 | uint64_t metadata_stream_id) |
c8f59ee5 DG |
946 | { |
947 | int ret; | |
ad7051c0 | 948 | struct lttcomm_relayd_quiescent_control msg; |
c8f59ee5 DG |
949 | struct lttcomm_relayd_generic_reply reply; |
950 | ||
951 | /* Code flow error. Safety net. */ | |
a0377dfe | 952 | LTTNG_ASSERT(rsock); |
c8f59ee5 DG |
953 | |
954 | DBG("Relayd checking quiescent control state"); | |
955 | ||
53efb85a | 956 | memset(&msg, 0, sizeof(msg)); |
ad7051c0 DG |
957 | msg.stream_id = htobe64(metadata_stream_id); |
958 | ||
c8f59ee5 | 959 | /* Send command */ |
6151a90f | 960 | ret = send_command(rsock, RELAYD_QUIESCENT_CONTROL, &msg, sizeof(msg), 0); |
c8f59ee5 DG |
961 | if (ret < 0) { |
962 | goto error; | |
963 | } | |
964 | ||
20275fe8 | 965 | /* Receive response */ |
6151a90f | 966 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); |
c8f59ee5 DG |
967 | if (ret < 0) { |
968 | goto error; | |
969 | } | |
970 | ||
971 | reply.ret_code = be32toh(reply.ret_code); | |
972 | ||
973 | /* Return session id or negative ret code. */ | |
974 | if (reply.ret_code != LTTNG_OK) { | |
bb63afd9 DG |
975 | ret = -1; |
976 | ERR("Relayd quiescent control replied error %d", reply.ret_code); | |
c8f59ee5 DG |
977 | goto error; |
978 | } | |
979 | ||
980 | /* Control socket is quiescent */ | |
6d805429 | 981 | return 0; |
c8f59ee5 DG |
982 | |
983 | error: | |
984 | return ret; | |
985 | } | |
f7079f67 DG |
986 | |
987 | /* | |
988 | * Begin a data pending command for a specific session id. | |
989 | */ | |
6151a90f | 990 | int relayd_begin_data_pending(struct lttcomm_relayd_sock *rsock, uint64_t id) |
f7079f67 DG |
991 | { |
992 | int ret; | |
993 | struct lttcomm_relayd_begin_data_pending msg; | |
994 | struct lttcomm_relayd_generic_reply reply; | |
995 | ||
996 | /* Code flow error. Safety net. */ | |
a0377dfe | 997 | LTTNG_ASSERT(rsock); |
f7079f67 DG |
998 | |
999 | DBG("Relayd begin data pending"); | |
1000 | ||
53efb85a | 1001 | memset(&msg, 0, sizeof(msg)); |
f7079f67 DG |
1002 | msg.session_id = htobe64(id); |
1003 | ||
1004 | /* Send command */ | |
6151a90f | 1005 | ret = send_command(rsock, RELAYD_BEGIN_DATA_PENDING, &msg, sizeof(msg), 0); |
f7079f67 DG |
1006 | if (ret < 0) { |
1007 | goto error; | |
1008 | } | |
1009 | ||
20275fe8 | 1010 | /* Receive response */ |
6151a90f | 1011 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); |
f7079f67 DG |
1012 | if (ret < 0) { |
1013 | goto error; | |
1014 | } | |
1015 | ||
1016 | reply.ret_code = be32toh(reply.ret_code); | |
1017 | ||
1018 | /* Return session id or negative ret code. */ | |
1019 | if (reply.ret_code != LTTNG_OK) { | |
bb63afd9 DG |
1020 | ret = -1; |
1021 | ERR("Relayd begin data pending replied error %d", reply.ret_code); | |
f7079f67 DG |
1022 | goto error; |
1023 | } | |
1024 | ||
1025 | return 0; | |
1026 | ||
1027 | error: | |
1028 | return ret; | |
1029 | } | |
1030 | ||
1031 | /* | |
1032 | * End a data pending command for a specific session id. | |
1033 | * | |
1034 | * Return 0 on success and set is_data_inflight to 0 if no data is being | |
1035 | * streamed or 1 if it is the case. | |
1036 | */ | |
6151a90f | 1037 | int relayd_end_data_pending(struct lttcomm_relayd_sock *rsock, uint64_t id, |
f7079f67 DG |
1038 | unsigned int *is_data_inflight) |
1039 | { | |
af6c30b5 | 1040 | int ret, recv_ret; |
f7079f67 DG |
1041 | struct lttcomm_relayd_end_data_pending msg; |
1042 | struct lttcomm_relayd_generic_reply reply; | |
1043 | ||
1044 | /* Code flow error. Safety net. */ | |
a0377dfe | 1045 | LTTNG_ASSERT(rsock); |
f7079f67 DG |
1046 | |
1047 | DBG("Relayd end data pending"); | |
1048 | ||
53efb85a | 1049 | memset(&msg, 0, sizeof(msg)); |
f7079f67 DG |
1050 | msg.session_id = htobe64(id); |
1051 | ||
1052 | /* Send command */ | |
6151a90f | 1053 | ret = send_command(rsock, RELAYD_END_DATA_PENDING, &msg, sizeof(msg), 0); |
f7079f67 DG |
1054 | if (ret < 0) { |
1055 | goto error; | |
1056 | } | |
1057 | ||
20275fe8 | 1058 | /* Receive response */ |
6151a90f | 1059 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); |
f7079f67 DG |
1060 | if (ret < 0) { |
1061 | goto error; | |
1062 | } | |
1063 | ||
af6c30b5 DG |
1064 | recv_ret = be32toh(reply.ret_code); |
1065 | if (recv_ret < 0) { | |
1066 | ret = recv_ret; | |
f7079f67 DG |
1067 | goto error; |
1068 | } | |
1069 | ||
af6c30b5 | 1070 | *is_data_inflight = recv_ret; |
f7079f67 | 1071 | |
af6c30b5 | 1072 | DBG("Relayd end data pending is data inflight: %d", recv_ret); |
f7079f67 DG |
1073 | |
1074 | return 0; | |
1075 | ||
1076 | error: | |
1077 | return ret; | |
1078 | } | |
1c20f0e2 JD |
1079 | |
1080 | /* | |
1081 | * Send index to the relayd. | |
1082 | */ | |
1083 | int relayd_send_index(struct lttcomm_relayd_sock *rsock, | |
50adc264 | 1084 | struct ctf_packet_index *index, uint64_t relay_stream_id, |
1c20f0e2 JD |
1085 | uint64_t net_seq_num) |
1086 | { | |
1087 | int ret; | |
1088 | struct lttcomm_relayd_index msg; | |
1089 | struct lttcomm_relayd_generic_reply reply; | |
1090 | ||
1091 | /* Code flow error. Safety net. */ | |
a0377dfe | 1092 | LTTNG_ASSERT(rsock); |
1c20f0e2 JD |
1093 | |
1094 | if (rsock->minor < 4) { | |
1095 | DBG("Not sending indexes before protocol 2.4"); | |
1096 | ret = 0; | |
1097 | goto error; | |
1098 | } | |
1099 | ||
1100 | DBG("Relayd sending index for stream ID %" PRIu64, relay_stream_id); | |
1101 | ||
53efb85a | 1102 | memset(&msg, 0, sizeof(msg)); |
1c20f0e2 JD |
1103 | msg.relay_stream_id = htobe64(relay_stream_id); |
1104 | msg.net_seq_num = htobe64(net_seq_num); | |
1105 | ||
1106 | /* The index is already in big endian. */ | |
1107 | msg.packet_size = index->packet_size; | |
1108 | msg.content_size = index->content_size; | |
1109 | msg.timestamp_begin = index->timestamp_begin; | |
1110 | msg.timestamp_end = index->timestamp_end; | |
1111 | msg.events_discarded = index->events_discarded; | |
1112 | msg.stream_id = index->stream_id; | |
1113 | ||
234cd636 JD |
1114 | if (rsock->minor >= 8) { |
1115 | msg.stream_instance_id = index->stream_instance_id; | |
1116 | msg.packet_seq_num = index->packet_seq_num; | |
1117 | } | |
1118 | ||
1c20f0e2 | 1119 | /* Send command */ |
f8f3885c MD |
1120 | ret = send_command(rsock, RELAYD_SEND_INDEX, &msg, |
1121 | lttcomm_relayd_index_len(lttng_to_index_major(rsock->major, | |
1122 | rsock->minor), | |
1123 | lttng_to_index_minor(rsock->major, rsock->minor)), | |
1124 | 0); | |
1c20f0e2 JD |
1125 | if (ret < 0) { |
1126 | goto error; | |
1127 | } | |
1128 | ||
1129 | /* Receive response */ | |
1130 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); | |
1131 | if (ret < 0) { | |
1132 | goto error; | |
1133 | } | |
1134 | ||
1135 | reply.ret_code = be32toh(reply.ret_code); | |
1136 | ||
1137 | /* Return session id or negative ret code. */ | |
1138 | if (reply.ret_code != LTTNG_OK) { | |
1139 | ret = -1; | |
1140 | ERR("Relayd send index replied error %d", reply.ret_code); | |
1141 | } else { | |
1142 | /* Success */ | |
1143 | ret = 0; | |
1144 | } | |
1145 | ||
1146 | error: | |
1147 | return ret; | |
1148 | } | |
93ec662e JD |
1149 | |
1150 | /* | |
1151 | * Ask the relay to reset the metadata trace file (regeneration). | |
1152 | */ | |
1153 | int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock, | |
1154 | uint64_t stream_id, uint64_t version) | |
1155 | { | |
1156 | int ret; | |
1157 | struct lttcomm_relayd_reset_metadata msg; | |
1158 | struct lttcomm_relayd_generic_reply reply; | |
1159 | ||
1160 | /* Code flow error. Safety net. */ | |
a0377dfe | 1161 | LTTNG_ASSERT(rsock); |
93ec662e JD |
1162 | |
1163 | /* Should have been prevented by the sessiond. */ | |
1164 | if (rsock->minor < 8) { | |
1165 | ERR("Metadata regeneration unsupported before 2.8"); | |
1166 | ret = -1; | |
1167 | goto error; | |
1168 | } | |
1169 | ||
1170 | DBG("Relayd reset metadata stream id %" PRIu64, stream_id); | |
1171 | ||
1172 | memset(&msg, 0, sizeof(msg)); | |
1173 | msg.stream_id = htobe64(stream_id); | |
1174 | msg.version = htobe64(version); | |
1175 | ||
1176 | /* Send command */ | |
1177 | ret = send_command(rsock, RELAYD_RESET_METADATA, (void *) &msg, sizeof(msg), 0); | |
1178 | if (ret < 0) { | |
1179 | goto error; | |
1180 | } | |
1181 | ||
1182 | /* Receive response */ | |
1183 | ret = recv_reply(rsock, (void *) &reply, sizeof(reply)); | |
1184 | if (ret < 0) { | |
1185 | goto error; | |
1186 | } | |
1187 | ||
1188 | reply.ret_code = be32toh(reply.ret_code); | |
1189 | ||
1190 | /* Return session id or negative ret code. */ | |
1191 | if (reply.ret_code != LTTNG_OK) { | |
1192 | ret = -1; | |
1193 | ERR("Relayd reset metadata replied error %d", reply.ret_code); | |
1194 | } else { | |
1195 | /* Success */ | |
1196 | ret = 0; | |
1197 | } | |
1198 | ||
1199 | DBG("Relayd reset metadata stream id %" PRIu64 " successfully", stream_id); | |
1200 | ||
1201 | error: | |
1202 | return ret; | |
1203 | } | |
a1ae2ea5 | 1204 | |
c35f9726 | 1205 | int relayd_rotate_streams(struct lttcomm_relayd_sock *sock, |
ebb29c10 | 1206 | unsigned int stream_count, const uint64_t *new_chunk_id, |
c35f9726 | 1207 | const struct relayd_stream_rotation_position *positions) |
d73bf3d7 JD |
1208 | { |
1209 | int ret; | |
c35f9726 JG |
1210 | unsigned int i; |
1211 | struct lttng_dynamic_buffer payload; | |
1212 | struct lttcomm_relayd_generic_reply reply = {}; | |
1213 | const struct lttcomm_relayd_rotate_streams msg = { | |
1214 | .stream_count = htobe32((uint32_t) stream_count), | |
1215 | .new_chunk_id = (typeof(msg.new_chunk_id)) { | |
1216 | .is_set = !!new_chunk_id, | |
1217 | .value = htobe64(new_chunk_id ? *new_chunk_id : 0), | |
1218 | }, | |
1219 | }; | |
1220 | char new_chunk_id_buf[MAX_INT_DEC_LEN(*new_chunk_id)] = {}; | |
1221 | const char *new_chunk_id_str; | |
d73bf3d7 | 1222 | |
070b6a86 MD |
1223 | if (!relayd_supports_chunks(sock)) { |
1224 | DBG("Refusing to rotate remote streams: relayd does not support chunks"); | |
1225 | return 0; | |
1226 | } | |
1227 | ||
c35f9726 | 1228 | lttng_dynamic_buffer_init(&payload); |
d73bf3d7 | 1229 | |
c35f9726 | 1230 | /* Code flow error. Safety net. */ |
a0377dfe | 1231 | LTTNG_ASSERT(sock); |
d73bf3d7 | 1232 | |
c35f9726 JG |
1233 | if (new_chunk_id) { |
1234 | ret = snprintf(new_chunk_id_buf, sizeof(new_chunk_id_buf), | |
1235 | "%" PRIu64, *new_chunk_id); | |
1236 | if (ret == -1 || ret >= sizeof(new_chunk_id_buf)) { | |
1237 | new_chunk_id_str = "formatting error"; | |
1238 | } else { | |
1239 | new_chunk_id_str = new_chunk_id_buf; | |
1240 | } | |
1241 | } else { | |
1242 | new_chunk_id_str = "none"; | |
d73bf3d7 JD |
1243 | } |
1244 | ||
c35f9726 JG |
1245 | DBG("Preparing \"rotate streams\" command payload: new_chunk_id = %s, stream_count = %u", |
1246 | new_chunk_id_str, stream_count); | |
d73bf3d7 | 1247 | |
c35f9726 JG |
1248 | ret = lttng_dynamic_buffer_append(&payload, &msg, sizeof(msg)); |
1249 | if (ret) { | |
1250 | ERR("Failed to allocate \"rotate streams\" command payload"); | |
d73bf3d7 JD |
1251 | goto error; |
1252 | } | |
1253 | ||
c35f9726 JG |
1254 | for (i = 0; i < stream_count; i++) { |
1255 | const struct relayd_stream_rotation_position *position = | |
1256 | &positions[i]; | |
1257 | const struct lttcomm_relayd_stream_rotation_position comm_position = { | |
1258 | .stream_id = htobe64(position->stream_id), | |
1259 | .rotate_at_seq_num = htobe64( | |
1260 | position->rotate_at_seq_num), | |
1261 | }; | |
1262 | ||
a269202e | 1263 | DBG("Rotate stream %" PRIu64 " at sequence number %" PRIu64, |
c35f9726 JG |
1264 | position->stream_id, |
1265 | position->rotate_at_seq_num); | |
1266 | ret = lttng_dynamic_buffer_append(&payload, &comm_position, | |
1267 | sizeof(comm_position)); | |
1268 | if (ret) { | |
1269 | ERR("Failed to allocate \"rotate streams\" command payload"); | |
1270 | goto error; | |
1271 | } | |
1272 | } | |
d73bf3d7 JD |
1273 | |
1274 | /* Send command. */ | |
c35f9726 JG |
1275 | ret = send_command(sock, RELAYD_ROTATE_STREAMS, payload.data, |
1276 | payload.size, 0); | |
d73bf3d7 | 1277 | if (ret < 0) { |
c35f9726 | 1278 | ERR("Failed to send \"rotate stream\" command"); |
d73bf3d7 JD |
1279 | goto error; |
1280 | } | |
1281 | ||
1282 | /* Receive response. */ | |
c35f9726 | 1283 | ret = recv_reply(sock, &reply, sizeof(reply)); |
d73bf3d7 | 1284 | if (ret < 0) { |
c35f9726 | 1285 | ERR("Failed to receive \"rotate streams\" command reply"); |
d73bf3d7 JD |
1286 | goto error; |
1287 | } | |
1288 | ||
1289 | reply.ret_code = be32toh(reply.ret_code); | |
d73bf3d7 JD |
1290 | if (reply.ret_code != LTTNG_OK) { |
1291 | ret = -1; | |
c35f9726 | 1292 | ERR("Relayd rotate streams replied error %d", reply.ret_code); |
d73bf3d7 JD |
1293 | } else { |
1294 | /* Success. */ | |
1295 | ret = 0; | |
c35f9726 | 1296 | DBG("Relayd rotated streams successfully"); |
d73bf3d7 JD |
1297 | } |
1298 | ||
1299 | error: | |
c35f9726 | 1300 | lttng_dynamic_buffer_reset(&payload); |
d73bf3d7 JD |
1301 | return ret; |
1302 | } | |
e5add6d0 JG |
1303 | |
1304 | int relayd_create_trace_chunk(struct lttcomm_relayd_sock *sock, | |
1305 | struct lttng_trace_chunk *chunk) | |
1306 | { | |
1307 | int ret = 0; | |
1308 | enum lttng_trace_chunk_status status; | |
1309 | struct lttcomm_relayd_create_trace_chunk msg = {}; | |
1310 | struct lttcomm_relayd_generic_reply reply = {}; | |
1311 | struct lttng_dynamic_buffer payload; | |
1312 | uint64_t chunk_id; | |
1313 | time_t creation_timestamp; | |
1314 | const char *chunk_name; | |
1315 | size_t chunk_name_length; | |
913a542b | 1316 | bool overridden_name; |
e5add6d0 JG |
1317 | |
1318 | lttng_dynamic_buffer_init(&payload); | |
1319 | ||
070b6a86 MD |
1320 | if (!relayd_supports_chunks(sock)) { |
1321 | DBG("Refusing to create remote trace chunk: relayd does not support chunks"); | |
1322 | goto end; | |
1323 | } | |
1324 | ||
e5add6d0 JG |
1325 | status = lttng_trace_chunk_get_id(chunk, &chunk_id); |
1326 | if (status != LTTNG_TRACE_CHUNK_STATUS_OK) { | |
1327 | ret = -1; | |
1328 | goto end; | |
1329 | } | |
1330 | ||
1331 | status = lttng_trace_chunk_get_creation_timestamp( | |
1332 | chunk, &creation_timestamp); | |
1333 | if (status != LTTNG_TRACE_CHUNK_STATUS_OK) { | |
1334 | ret = -1; | |
1335 | goto end; | |
1336 | } | |
1337 | ||
1338 | status = lttng_trace_chunk_get_name( | |
913a542b | 1339 | chunk, &chunk_name, &overridden_name); |
e5add6d0 JG |
1340 | if (status != LTTNG_TRACE_CHUNK_STATUS_OK && |
1341 | status != LTTNG_TRACE_CHUNK_STATUS_NONE) { | |
1342 | ret = -1; | |
1343 | goto end; | |
1344 | } | |
1345 | ||
913a542b | 1346 | chunk_name_length = overridden_name ? (strlen(chunk_name) + 1) : 0; |
e5add6d0 JG |
1347 | msg = (typeof(msg)){ |
1348 | .chunk_id = htobe64(chunk_id), | |
1349 | .creation_timestamp = htobe64((uint64_t) creation_timestamp), | |
1350 | .override_name_length = htobe32((uint32_t) chunk_name_length), | |
1351 | }; | |
1352 | ||
1353 | ret = lttng_dynamic_buffer_append(&payload, &msg, sizeof(msg)); | |
1354 | if (ret) { | |
1355 | goto end; | |
1356 | } | |
1357 | if (chunk_name_length) { | |
1358 | ret = lttng_dynamic_buffer_append( | |
1359 | &payload, chunk_name, chunk_name_length); | |
1360 | if (ret) { | |
1361 | goto end; | |
1362 | } | |
1363 | } | |
1364 | ||
bbc4768c JG |
1365 | ret = send_command(sock, RELAYD_CREATE_TRACE_CHUNK, payload.data, |
1366 | payload.size, 0); | |
e5add6d0 JG |
1367 | if (ret < 0) { |
1368 | ERR("Failed to send trace chunk creation command to relay daemon"); | |
1369 | goto end; | |
1370 | } | |
1371 | ||
1372 | ret = recv_reply(sock, &reply, sizeof(reply)); | |
1373 | if (ret < 0) { | |
1374 | ERR("Failed to receive relay daemon trace chunk creation command reply"); | |
1375 | goto end; | |
1376 | } | |
1377 | ||
1378 | reply.ret_code = be32toh(reply.ret_code); | |
1379 | if (reply.ret_code != LTTNG_OK) { | |
1380 | ret = -1; | |
1381 | ERR("Relayd trace chunk create replied error %d", | |
1382 | reply.ret_code); | |
1383 | } else { | |
1384 | ret = 0; | |
1385 | DBG("Relayd successfully created trace chunk: chunk_id = %" PRIu64, | |
1386 | chunk_id); | |
1387 | } | |
1388 | ||
1389 | end: | |
1390 | lttng_dynamic_buffer_reset(&payload); | |
1391 | return ret; | |
1392 | } | |
bbc4768c JG |
1393 | |
1394 | int relayd_close_trace_chunk(struct lttcomm_relayd_sock *sock, | |
ecd1a12f MD |
1395 | struct lttng_trace_chunk *chunk, |
1396 | char *path) | |
bbc4768c JG |
1397 | { |
1398 | int ret = 0; | |
1399 | enum lttng_trace_chunk_status status; | |
1400 | struct lttcomm_relayd_close_trace_chunk msg = {}; | |
ecd1a12f | 1401 | struct lttcomm_relayd_close_trace_chunk_reply reply = {}; |
bbc4768c JG |
1402 | uint64_t chunk_id; |
1403 | time_t close_timestamp; | |
1404 | LTTNG_OPTIONAL(enum lttng_trace_chunk_command_type) close_command = {}; | |
1405 | ||
070b6a86 MD |
1406 | if (!relayd_supports_chunks(sock)) { |
1407 | DBG("Refusing to close remote trace chunk: relayd does not support chunks"); | |
1408 | goto end; | |
1409 | } | |
1410 | ||
bbc4768c JG |
1411 | status = lttng_trace_chunk_get_id(chunk, &chunk_id); |
1412 | if (status != LTTNG_TRACE_CHUNK_STATUS_OK) { | |
1413 | ERR("Failed to get trace chunk id"); | |
1414 | ret = -1; | |
1415 | goto end; | |
1416 | } | |
1417 | ||
1418 | status = lttng_trace_chunk_get_close_timestamp(chunk, &close_timestamp); | |
1419 | if (status != LTTNG_TRACE_CHUNK_STATUS_OK) { | |
1420 | ERR("Failed to get trace chunk close timestamp"); | |
1421 | ret = -1; | |
1422 | goto end; | |
1423 | } | |
1424 | ||
1425 | status = lttng_trace_chunk_get_close_command(chunk, | |
1426 | &close_command.value); | |
1427 | switch (status) { | |
1428 | case LTTNG_TRACE_CHUNK_STATUS_OK: | |
1429 | close_command.is_set = 1; | |
1430 | break; | |
1431 | case LTTNG_TRACE_CHUNK_STATUS_NONE: | |
1432 | break; | |
1433 | default: | |
1434 | ERR("Failed to get trace chunk close command"); | |
1435 | ret = -1; | |
1436 | goto end; | |
1437 | } | |
1438 | ||
1439 | msg = (typeof(msg)){ | |
1440 | .chunk_id = htobe64(chunk_id), | |
1441 | .close_timestamp = htobe64((uint64_t) close_timestamp), | |
1442 | .close_command = { | |
bbc4768c | 1443 | .is_set = close_command.is_set, |
55caead7 | 1444 | .value = htobe32((uint32_t) close_command.value), |
bbc4768c JG |
1445 | }, |
1446 | }; | |
1447 | ||
1448 | ret = send_command(sock, RELAYD_CLOSE_TRACE_CHUNK, &msg, sizeof(msg), | |
1449 | 0); | |
1450 | if (ret < 0) { | |
1451 | ERR("Failed to send trace chunk close command to relay daemon"); | |
1452 | goto end; | |
1453 | } | |
1454 | ||
1455 | ret = recv_reply(sock, &reply, sizeof(reply)); | |
1456 | if (ret < 0) { | |
1457 | ERR("Failed to receive relay daemon trace chunk close command reply"); | |
1458 | goto end; | |
1459 | } | |
1460 | ||
ecd1a12f MD |
1461 | reply.path_length = be32toh(reply.path_length); |
1462 | if (reply.path_length >= LTTNG_PATH_MAX) { | |
1463 | ERR("Chunk path too long"); | |
1464 | ret = -1; | |
1465 | goto end; | |
1466 | } | |
1467 | ||
1468 | ret = recv_reply(sock, path, reply.path_length); | |
1469 | if (ret < 0) { | |
1470 | ERR("Failed to receive relay daemon trace chunk close command reply"); | |
1471 | goto end; | |
1472 | } | |
1473 | if (path[reply.path_length - 1] != '\0') { | |
1474 | ERR("Invalid trace chunk path returned by relay daemon (not null-terminated)"); | |
1475 | ret = -1; | |
1476 | goto end; | |
1477 | } | |
1478 | ||
1479 | reply.generic.ret_code = be32toh(reply.generic.ret_code); | |
1480 | if (reply.generic.ret_code != LTTNG_OK) { | |
bbc4768c JG |
1481 | ret = -1; |
1482 | ERR("Relayd trace chunk close replied error %d", | |
ecd1a12f | 1483 | reply.generic.ret_code); |
bbc4768c JG |
1484 | } else { |
1485 | ret = 0; | |
1486 | DBG("Relayd successfully closed trace chunk: chunk_id = %" PRIu64, | |
1487 | chunk_id); | |
1488 | } | |
1489 | end: | |
1490 | return ret; | |
1491 | } | |
c35f9726 JG |
1492 | |
1493 | int relayd_trace_chunk_exists(struct lttcomm_relayd_sock *sock, | |
1494 | uint64_t chunk_id, bool *chunk_exists) | |
1495 | { | |
1496 | int ret = 0; | |
1497 | struct lttcomm_relayd_trace_chunk_exists msg = {}; | |
1498 | struct lttcomm_relayd_trace_chunk_exists_reply reply = {}; | |
1499 | ||
070b6a86 MD |
1500 | if (!relayd_supports_chunks(sock)) { |
1501 | DBG("Refusing to check for trace chunk existence: relayd does not support chunks"); | |
caa15afd JR |
1502 | /* The chunk will never exist */ |
1503 | *chunk_exists = false; | |
070b6a86 MD |
1504 | goto end; |
1505 | } | |
1506 | ||
c35f9726 JG |
1507 | msg = (typeof(msg)){ |
1508 | .chunk_id = htobe64(chunk_id), | |
1509 | }; | |
1510 | ||
1511 | ret = send_command(sock, RELAYD_TRACE_CHUNK_EXISTS, &msg, sizeof(msg), | |
1512 | 0); | |
1513 | if (ret < 0) { | |
1514 | ERR("Failed to send trace chunk exists command to relay daemon"); | |
1515 | goto end; | |
1516 | } | |
1517 | ||
1518 | ret = recv_reply(sock, &reply, sizeof(reply)); | |
1519 | if (ret < 0) { | |
1520 | ERR("Failed to receive relay daemon trace chunk close command reply"); | |
1521 | goto end; | |
1522 | } | |
1523 | ||
1524 | reply.generic.ret_code = be32toh(reply.generic.ret_code); | |
1525 | if (reply.generic.ret_code != LTTNG_OK) { | |
1526 | ret = -1; | |
1527 | ERR("Relayd trace chunk close replied error %d", | |
1528 | reply.generic.ret_code); | |
1529 | } else { | |
1530 | ret = 0; | |
1531 | DBG("Relayd successfully checked trace chunk existence: chunk_id = %" PRIu64 | |
1532 | ", exists = %s", chunk_id, | |
1533 | reply.trace_chunk_exists ? "true" : "false"); | |
1534 | *chunk_exists = !!reply.trace_chunk_exists; | |
1535 | } | |
1536 | end: | |
1537 | return ret; | |
1538 | } | |
8614e600 MD |
1539 | |
1540 | int relayd_get_configuration(struct lttcomm_relayd_sock *sock, | |
1541 | uint64_t query_flags, | |
1542 | uint64_t *result_flags) | |
1543 | { | |
1544 | int ret = 0; | |
1545 | struct lttcomm_relayd_get_configuration msg = (typeof(msg)) { | |
1546 | .query_flags = htobe64(query_flags), | |
1547 | }; | |
1548 | struct lttcomm_relayd_get_configuration_reply reply = {}; | |
1549 | ||
1550 | if (!relayd_supports_get_configuration(sock)) { | |
1551 | DBG("Refusing to get relayd configuration (unsupported by relayd)"); | |
1552 | if (query_flags) { | |
1553 | ret = -1; | |
1554 | goto end; | |
1555 | } | |
1556 | *result_flags = 0; | |
1557 | goto end; | |
1558 | } | |
1559 | ||
1560 | ret = send_command(sock, RELAYD_GET_CONFIGURATION, &msg, sizeof(msg), | |
1561 | 0); | |
1562 | if (ret < 0) { | |
1563 | ERR("Failed to send get configuration command to relay daemon"); | |
1564 | goto end; | |
1565 | } | |
1566 | ||
1567 | ret = recv_reply(sock, &reply, sizeof(reply)); | |
1568 | if (ret < 0) { | |
1569 | ERR("Failed to receive relay daemon get configuration command reply"); | |
1570 | goto end; | |
1571 | } | |
1572 | ||
1573 | reply.generic.ret_code = be32toh(reply.generic.ret_code); | |
1574 | if (reply.generic.ret_code != LTTNG_OK) { | |
1575 | ret = -1; | |
1576 | ERR("Relayd get configuration replied error %d", | |
1577 | reply.generic.ret_code); | |
1578 | } else { | |
1579 | reply.relayd_configuration_flags = | |
1580 | be64toh(reply.relayd_configuration_flags); | |
1581 | ret = 0; | |
1582 | DBG("Relayd successfully got configuration: query_flags = %" PRIu64 | |
1583 | ", results_flags = %" PRIu64, query_flags, | |
1584 | reply.relayd_configuration_flags); | |
1585 | *result_flags = reply.relayd_configuration_flags; | |
1586 | } | |
1587 | end: | |
1588 | return ret; | |
1589 | } |