2 * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
14 #include <common/compat/time.h>
15 #include <sys/types.h>
18 #include <sys/socket.h>
19 #include <netinet/in.h>
26 #include <lttng/lttng.h>
28 #include <urcu/list.h>
29 #include <common/common.h>
31 #include <bin/lttng-relayd/lttng-viewer-abi.h>
32 #include <common/index/ctf-index.h>
34 #include <common/compat/endian.h>
36 #define SESSION1 "test1"
37 #define RELAYD_URL "net://localhost"
38 #define LIVE_TIMER 2000000
40 /* Number of TAP tests in this file */
42 #define mmap_size 524288
44 static int control_sock
;
45 struct live_session
*session
;
47 static int first_packet_offset
;
48 static int first_packet_len
;
49 static int first_packet_stream_id
= -1;
51 struct viewer_stream
{
53 uint64_t ctf_trace_id
;
62 struct viewer_stream
*streams
;
63 uint64_t live_timer_interval
;
64 uint64_t stream_count
;
68 ssize_t
lttng_live_recv(int fd
, void *buf
, size_t len
)
71 size_t copied
= 0, to_copy
= len
;
74 ret
= recv(fd
, buf
+ copied
, to_copy
, 0);
76 assert(ret
<= to_copy
);
80 } while ((ret
> 0 && to_copy
> 0)
81 || (ret
< 0 && errno
== EINTR
));
84 /* ret = 0 means orderly shutdown, ret < 0 is error. */
89 ssize_t
lttng_live_send(int fd
, const void *buf
, size_t len
)
94 ret
= send(fd
, buf
, len
, MSG_NOSIGNAL
);
95 } while (ret
< 0 && errno
== EINTR
);
100 int connect_viewer(char *hostname
)
102 struct hostent
*host
;
103 struct sockaddr_in server_addr
;
106 host
= gethostbyname(hostname
);
112 if ((control_sock
= socket(AF_INET
, SOCK_STREAM
, 0)) == -1) {
118 server_addr
.sin_family
= AF_INET
;
119 server_addr
.sin_port
= htons(5344);
120 server_addr
.sin_addr
= *((struct in_addr
*) host
->h_addr
);
121 bzero(&(server_addr
.sin_zero
), 8);
123 if (connect(control_sock
, (struct sockaddr
*) &server_addr
,
124 sizeof(struct sockaddr
)) == -1) {
130 server_addr
.sin_family
= AF_INET
;
131 server_addr
.sin_port
= htons(5345);
132 server_addr
.sin_addr
= *((struct in_addr
*) host
->h_addr
);
133 bzero(&(server_addr
.sin_zero
), 8);
141 int establish_connection(void)
143 struct lttng_viewer_cmd cmd
;
144 struct lttng_viewer_connect connect
;
147 cmd
.cmd
= htobe32(LTTNG_VIEWER_CONNECT
);
148 cmd
.data_size
= htobe64(sizeof(connect
));
149 cmd
.cmd_version
= htobe32(0);
151 memset(&connect
, 0, sizeof(connect
));
152 connect
.major
= htobe32(VERSION_MAJOR
);
153 connect
.minor
= htobe32(VERSION_MINOR
);
154 connect
.type
= htobe32(LTTNG_VIEWER_CLIENT_COMMAND
);
156 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
158 diag("Error sending cmd");
161 ret_len
= lttng_live_send(control_sock
, &connect
, sizeof(connect
));
163 diag("Error sending version");
167 ret_len
= lttng_live_recv(control_sock
, &connect
, sizeof(connect
));
169 diag("[error] Remote side has closed connection");
173 diag("Error receiving version");
183 * Returns the number of sessions, should be 1 during the unit test.
185 int list_sessions(uint64_t *session_id
)
187 struct lttng_viewer_cmd cmd
;
188 struct lttng_viewer_list_sessions list
;
189 struct lttng_viewer_session lsession
;
192 int first_session
= 0;
194 cmd
.cmd
= htobe32(LTTNG_VIEWER_LIST_SESSIONS
);
195 cmd
.data_size
= htobe64(0);
196 cmd
.cmd_version
= htobe32(0);
198 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
200 diag("Error sending cmd");
204 ret_len
= lttng_live_recv(control_sock
, &list
, sizeof(list
));
206 diag("[error] Remote side has closed connection");
210 diag("Error receiving session list");
214 for (i
= 0; i
< be32toh(list
.sessions_count
); i
++) {
215 ret_len
= lttng_live_recv(control_sock
, &lsession
, sizeof(lsession
));
217 diag("Error receiving session");
220 if (lsession
.streams
> 0 && first_session
<= 0) {
221 first_session
= be64toh(lsession
.id
);
222 *session_id
= first_session
;
226 return be32toh(list
.sessions_count
);
232 int create_viewer_session(void)
234 struct lttng_viewer_cmd cmd
;
235 struct lttng_viewer_create_session_response resp
;
238 cmd
.cmd
= htobe32(LTTNG_VIEWER_CREATE_SESSION
);
239 cmd
.data_size
= htobe64(0);
240 cmd
.cmd_version
= htobe32(0);
242 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
244 diag("[error] Error sending cmd");
247 assert(ret_len
== sizeof(cmd
));
249 ret_len
= lttng_live_recv(control_sock
, &resp
, sizeof(resp
));
251 diag("[error] Remote side has closed connection");
255 diag("[error] Error receiving create session reply");
258 assert(ret_len
== sizeof(resp
));
260 if (be32toh(resp
.status
) != LTTNG_VIEWER_CREATE_SESSION_OK
) {
261 diag("[error] Error creating viewer session");
270 int attach_session(uint64_t id
)
272 struct lttng_viewer_cmd cmd
;
273 struct lttng_viewer_attach_session_request rq
;
274 struct lttng_viewer_attach_session_response rp
;
275 struct lttng_viewer_stream stream
;
279 session
= zmalloc(sizeof(struct live_session
));
284 cmd
.cmd
= htobe32(LTTNG_VIEWER_ATTACH_SESSION
);
285 cmd
.data_size
= htobe64(sizeof(rq
));
286 cmd
.cmd_version
= htobe32(0);
288 memset(&rq
, 0, sizeof(rq
));
289 rq
.session_id
= htobe64(id
);
290 rq
.seek
= htobe32(LTTNG_VIEWER_SEEK_BEGINNING
);
292 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
294 diag("Error sending cmd LTTNG_VIEWER_ATTACH_SESSION");
297 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
299 diag("Error sending attach request");
303 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
305 diag("[error] Remote side has closed connection");
309 diag("Error receiving attach response");
312 if (be32toh(rp
.status
) != LTTNG_VIEWER_ATTACH_OK
) {
316 session
->stream_count
= be32toh(rp
.streams_count
);
317 if (session
->stream_count
== 0) {
318 diag("Got session stream count == 0");
321 session
->streams
= zmalloc(session
->stream_count
*
322 sizeof(struct viewer_stream
));
323 if (!session
->streams
) {
327 for (i
= 0; i
< be32toh(rp
.streams_count
); i
++) {
328 ret_len
= lttng_live_recv(control_sock
, &stream
, sizeof(stream
));
330 diag("[error] Remote side has closed connection");
334 diag("Error receiving stream");
337 session
->streams
[i
].id
= be64toh(stream
.id
);
339 session
->streams
[i
].ctf_trace_id
= be64toh(stream
.ctf_trace_id
);
340 session
->streams
[i
].first_read
= 1;
341 session
->streams
[i
].mmap_base
= mmap(NULL
, mmap_size
,
342 PROT_READ
| PROT_WRITE
,
343 MAP_PRIVATE
| MAP_ANONYMOUS
, -1, 0);
344 if (session
->streams
[i
].mmap_base
== MAP_FAILED
) {
349 if (be32toh(stream
.metadata_flag
)) {
350 session
->streams
[i
].metadata_flag
= 1;
353 return session
->stream_count
;
359 int get_metadata(void)
361 struct lttng_viewer_cmd cmd
;
362 struct lttng_viewer_get_metadata rq
;
363 struct lttng_viewer_metadata_packet rp
;
369 int metadata_stream_id
= -1;
371 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_METADATA
);
372 cmd
.data_size
= htobe64(sizeof(rq
));
373 cmd
.cmd_version
= htobe32(0);
375 for (i
= 0; i
< session
->stream_count
; i
++) {
376 if (session
->streams
[i
].metadata_flag
) {
377 metadata_stream_id
= i
;
382 if (metadata_stream_id
< 0) {
383 diag("No metadata stream found");
387 rq
.stream_id
= htobe64(session
->streams
[metadata_stream_id
].id
);
390 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
392 diag("Error sending cmd");
395 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
397 diag("Error sending get_metadata request");
400 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
402 diag("[error] Remote side has closed connection");
406 diag("Error receiving metadata response");
409 switch (be32toh(rp
.status
)) {
410 case LTTNG_VIEWER_METADATA_OK
:
412 case LTTNG_VIEWER_NO_NEW_METADATA
:
413 diag("Got LTTNG_VIEWER_NO_NEW_METADATA:");
416 case LTTNG_VIEWER_METADATA_ERR
:
417 diag("Got LTTNG_VIEWER_METADATA_ERR:");
420 diag("Got unknown status during LTTNG_VIEWER_GET_METADATA");
424 len
= be64toh(rp
.len
);
431 PERROR("relay data zmalloc");
434 ret_len
= lttng_live_recv(control_sock
, data
, len
);
436 diag("[error] Remote side has closed connection");
437 goto error_free_data
;
440 diag("Error receiving trace packet");
441 goto error_free_data
;
454 int get_next_index(void)
456 struct lttng_viewer_cmd cmd
;
457 struct lttng_viewer_get_next_index rq
;
458 struct lttng_viewer_index rp
;
462 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_NEXT_INDEX
);
463 cmd
.data_size
= htobe64(sizeof(rq
));
464 cmd
.cmd_version
= htobe32(0);
466 for (id
= 0; id
< session
->stream_count
; id
++) {
467 if (session
->streams
[id
].metadata_flag
) {
470 memset(&rq
, 0, sizeof(rq
));
471 rq
.stream_id
= htobe64(session
->streams
[id
].id
);
474 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
476 diag("Error sending cmd");
479 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
481 diag("Error sending get_next_index request");
484 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
486 diag("[error] Remote side has closed connection");
490 diag("Error receiving index response");
494 rp
.flags
= be32toh(rp
.flags
);
496 switch (be32toh(rp
.status
)) {
497 case LTTNG_VIEWER_INDEX_INACTIVE
:
498 /* Skip this stream. */
499 diag("Got LTTNG_VIEWER_INDEX_INACTIVE");
501 case LTTNG_VIEWER_INDEX_OK
:
503 case LTTNG_VIEWER_INDEX_RETRY
:
506 case LTTNG_VIEWER_INDEX_HUP
:
507 diag("Got LTTNG_VIEWER_INDEX_HUP");
508 session
->streams
[id
].id
= -1ULL;
509 session
->streams
[id
].fd
= -1;
511 case LTTNG_VIEWER_INDEX_ERR
:
512 diag("Got LTTNG_VIEWER_INDEX_ERR");
515 diag("Unknown reply status during LTTNG_VIEWER_GET_NEXT_INDEX (%d)", be32toh(rp
.status
));
518 if (first_packet_stream_id
< 0) {
520 * Initialize the first packet stream id. That is,
521 * the first active stream encoutered.
523 first_packet_offset
= be64toh(rp
.offset
);
524 first_packet_len
= be64toh(rp
.packet_size
) / CHAR_BIT
;
525 first_packet_stream_id
= id
;
526 diag("Got first packet index with offset %d and len %d",
527 first_packet_offset
, first_packet_len
);
537 int get_data_packet(int id
, uint64_t offset
,
540 struct lttng_viewer_cmd cmd
;
541 struct lttng_viewer_get_packet rq
;
542 struct lttng_viewer_trace_packet rp
;
545 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_PACKET
);
546 cmd
.data_size
= htobe64(sizeof(rq
));
547 cmd
.cmd_version
= htobe32(0);
549 memset(&rq
, 0, sizeof(rq
));
550 rq
.stream_id
= htobe64(session
->streams
[id
].id
);
551 /* Already in big endian. */
553 rq
.len
= htobe32(len
);
555 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
557 diag("Error sending cmd");
560 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
562 diag("Error sending get_data_packet request");
565 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
567 diag("[error] Remote side has closed connection");
571 diag("Error receiving data response");
574 rp
.flags
= be32toh(rp
.flags
);
576 switch (be32toh(rp
.status
)) {
577 case LTTNG_VIEWER_GET_PACKET_OK
:
578 len
= be32toh(rp
.len
);
580 diag("Got LTTNG_VIEWER_GET_PACKET_OK, but len == 0");
584 case LTTNG_VIEWER_GET_PACKET_RETRY
:
585 diag("Got LTTNG_VIEWER_GET_PACKET_RETRY:");
587 case LTTNG_VIEWER_GET_PACKET_ERR
:
588 if (rp
.flags
& LTTNG_VIEWER_FLAG_NEW_METADATA
) {
589 diag("Got LTTNG_VIEWER_GET_PACKET_ERR with NEW_METADATA flag");
592 diag("Got LTTNG_VIEWER_GET_PACKET_ERR:");
595 diag("Got unknown status code during LTTNG_VIEWER_GET_PACKET");
599 if (len
> mmap_size
) {
600 diag("mmap_size not big enough");
604 ret_len
= lttng_live_recv(control_sock
, session
->streams
[id
].mmap_base
, len
);
606 diag("[error] Remote side has closed connection");
610 diag("Error receiving trace packet");
619 int detach_viewer_session(uint64_t id
)
621 struct lttng_viewer_cmd cmd
;
622 struct lttng_viewer_detach_session_response resp
;
623 struct lttng_viewer_detach_session_request rq
;
627 cmd
.cmd
= htobe32(LTTNG_VIEWER_DETACH_SESSION
);
628 cmd
.data_size
= htobe64(sizeof(rq
));
629 cmd
.cmd_version
= htobe32(0);
631 memset(&rq
, 0, sizeof(rq
));
632 rq
.session_id
= htobe64(id
);
634 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
636 fprintf(stderr
, "[error] Error sending cmd\n");
641 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
643 fprintf(stderr
, "Error sending attach request\n");
648 ret_len
= lttng_live_recv(control_sock
, &resp
, sizeof(resp
));
650 fprintf(stderr
, "[error] Error receiving detach session reply\n");
655 if (be32toh(resp
.status
) != LTTNG_VIEWER_DETACH_SESSION_OK
) {
656 fprintf(stderr
, "[error] Error detaching viewer session\n");
666 int main(int argc
, char **argv
)
671 plan_tests(NUM_TESTS
);
673 diag("Live unit tests");
675 ret
= connect_viewer("localhost");
676 ok(ret
== 0, "Connect viewer to relayd");
678 ret
= establish_connection();
679 ok(ret
== 0, "Established connection and version check with %d.%d",
680 VERSION_MAJOR
, VERSION_MINOR
);
682 ret
= list_sessions(&session_id
);
683 ok(ret
> 0, "List sessions : %d session(s)", ret
);
688 ret
= create_viewer_session();
689 ok(ret
== 0, "Create viewer session");
691 ret
= attach_session(session_id
);
692 ok(ret
> 0, "Attach to session, %d stream(s) received", ret
);
694 ret
= get_metadata();
695 ok(ret
> 0, "Get metadata, received %d bytes", ret
);
697 ret
= get_next_index();
698 ok(ret
== 0, "Get one index per stream");
700 ret
= get_data_packet(first_packet_stream_id
, first_packet_offset
,
703 "Get one data packet for stream %d, offset %d, len %d",
704 first_packet_stream_id
, first_packet_offset
,
707 ret
= detach_viewer_session(session_id
);
708 ok(ret
== 0, "Detach viewer session");
710 ret
= list_sessions(&session_id
);
711 ok(ret
> 0, "List sessions : %d session(s)", ret
);
713 ret
= attach_session(session_id
);
714 ok(ret
> 0, "Attach to session, %d streams received", ret
);
716 return exit_status();