2 * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
12 #include <common/compat/time.hpp>
13 #include <sys/types.h>
16 #include <sys/socket.h>
17 #include <netinet/in.h>
24 #include <lttng/lttng.h>
26 #include <urcu/list.h>
27 #include <common/common.hpp>
29 #include <bin/lttng-relayd/lttng-viewer-abi.hpp>
30 #include <common/index/ctf-index.hpp>
32 #include <common/compat/errno.hpp>
33 #include <common/compat/endian.hpp>
35 #define SESSION1 "test1"
36 #define RELAYD_URL "net://localhost"
37 #define LIVE_TIMER 2000000
39 /* Number of TAP tests in this file */
41 #define mmap_size 524288
43 #ifdef HAVE_LIBLTTNG_UST_CTL
44 #include <lttng/lttng-export.h>
45 #include <lttng/ust-sigbus.h>
46 LTTNG_EXPORT
DEFINE_LTTNG_UST_SIGBUS_STATE();
50 struct live_session
*session
;
53 int first_packet_offset
;
55 int first_packet_stream_id
= -1;
57 struct viewer_stream
{
59 uint64_t ctf_trace_id
;
68 struct viewer_stream
*streams
;
69 uint64_t live_timer_interval
;
70 uint64_t stream_count
;
75 ssize_t
lttng_live_recv(int fd
, void *buf
, size_t len
)
78 size_t copied
= 0, to_copy
= len
;
81 ret
= recv(fd
, (char *) buf
+ copied
, to_copy
, 0);
83 LTTNG_ASSERT(ret
<= to_copy
);
87 } while ((ret
> 0 && to_copy
> 0)
88 || (ret
< 0 && errno
== EINTR
));
91 /* ret = 0 means orderly shutdown, ret < 0 is error. */
96 ssize_t
lttng_live_send(int fd
, const void *buf
, size_t len
)
101 ret
= send(fd
, buf
, len
, MSG_NOSIGNAL
);
102 } while (ret
< 0 && errno
== EINTR
);
107 int connect_viewer(const char *hostname
)
109 struct hostent
*host
;
110 struct sockaddr_in server_addr
;
113 host
= gethostbyname(hostname
);
119 if ((control_sock
= socket(AF_INET
, SOCK_STREAM
, 0)) == -1) {
125 server_addr
.sin_family
= AF_INET
;
126 server_addr
.sin_port
= htons(5344);
127 server_addr
.sin_addr
= *((struct in_addr
*) host
->h_addr
);
128 bzero(&(server_addr
.sin_zero
), 8);
130 if (connect(control_sock
, (struct sockaddr
*) &server_addr
,
131 sizeof(struct sockaddr
)) == -1) {
137 server_addr
.sin_family
= AF_INET
;
138 server_addr
.sin_port
= htons(5345);
139 server_addr
.sin_addr
= *((struct in_addr
*) host
->h_addr
);
140 bzero(&(server_addr
.sin_zero
), 8);
149 int establish_connection(void)
151 struct lttng_viewer_cmd cmd
;
152 struct lttng_viewer_connect connect
;
155 cmd
.cmd
= htobe32(LTTNG_VIEWER_CONNECT
);
156 cmd
.data_size
= htobe64(sizeof(connect
));
157 cmd
.cmd_version
= htobe32(0);
159 memset(&connect
, 0, sizeof(connect
));
160 connect
.major
= htobe32(VERSION_MAJOR
);
161 connect
.minor
= htobe32(VERSION_MINOR
);
162 connect
.type
= htobe32(LTTNG_VIEWER_CLIENT_COMMAND
);
164 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
166 diag("Error sending cmd");
169 ret_len
= lttng_live_send(control_sock
, &connect
, sizeof(connect
));
171 diag("Error sending version");
175 ret_len
= lttng_live_recv(control_sock
, &connect
, sizeof(connect
));
177 diag("[error] Remote side has closed connection");
181 diag("Error receiving version");
191 * Returns the number of sessions, should be 1 during the unit test.
194 int list_sessions(uint64_t *session_id
)
196 struct lttng_viewer_cmd cmd
;
197 struct lttng_viewer_list_sessions list
;
198 struct lttng_viewer_session lsession
;
201 int first_session
= 0;
203 cmd
.cmd
= htobe32(LTTNG_VIEWER_LIST_SESSIONS
);
204 cmd
.data_size
= htobe64(0);
205 cmd
.cmd_version
= htobe32(0);
207 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
209 diag("Error sending cmd");
213 ret_len
= lttng_live_recv(control_sock
, &list
, sizeof(list
));
215 diag("[error] Remote side has closed connection");
219 diag("Error receiving session list");
223 for (i
= 0; i
< be32toh(list
.sessions_count
); i
++) {
224 ret_len
= lttng_live_recv(control_sock
, &lsession
, sizeof(lsession
));
226 diag("Error receiving session");
229 if (lsession
.streams
> 0 && first_session
<= 0) {
230 first_session
= be64toh(lsession
.id
);
231 *session_id
= first_session
;
235 return be32toh(list
.sessions_count
);
242 int create_viewer_session(void)
244 struct lttng_viewer_cmd cmd
;
245 struct lttng_viewer_create_session_response resp
;
248 cmd
.cmd
= htobe32(LTTNG_VIEWER_CREATE_SESSION
);
249 cmd
.data_size
= htobe64(0);
250 cmd
.cmd_version
= htobe32(0);
252 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
254 diag("[error] Error sending cmd");
257 LTTNG_ASSERT(ret_len
== sizeof(cmd
));
259 ret_len
= lttng_live_recv(control_sock
, &resp
, sizeof(resp
));
261 diag("[error] Remote side has closed connection");
265 diag("[error] Error receiving create session reply");
268 LTTNG_ASSERT(ret_len
== sizeof(resp
));
270 if (be32toh(resp
.status
) != LTTNG_VIEWER_CREATE_SESSION_OK
) {
271 diag("[error] Error creating viewer session");
281 int attach_session(uint64_t id
)
283 struct lttng_viewer_cmd cmd
;
284 struct lttng_viewer_attach_session_request rq
;
285 struct lttng_viewer_attach_session_response rp
;
286 struct lttng_viewer_stream stream
;
290 session
= zmalloc
<live_session
>();
295 cmd
.cmd
= htobe32(LTTNG_VIEWER_ATTACH_SESSION
);
296 cmd
.data_size
= htobe64(sizeof(rq
));
297 cmd
.cmd_version
= htobe32(0);
299 memset(&rq
, 0, sizeof(rq
));
300 rq
.session_id
= htobe64(id
);
301 rq
.seek
= htobe32(LTTNG_VIEWER_SEEK_BEGINNING
);
303 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
305 diag("Error sending cmd LTTNG_VIEWER_ATTACH_SESSION");
308 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
310 diag("Error sending attach request");
314 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
316 diag("[error] Remote side has closed connection");
320 diag("Error receiving attach response");
323 if (be32toh(rp
.status
) != LTTNG_VIEWER_ATTACH_OK
) {
327 session
->stream_count
= be32toh(rp
.streams_count
);
328 if (session
->stream_count
== 0) {
329 diag("Got session stream count == 0");
332 session
->streams
= calloc
<viewer_stream
>(session
->stream_count
);
333 if (!session
->streams
) {
337 for (i
= 0; i
< be32toh(rp
.streams_count
); i
++) {
338 ret_len
= lttng_live_recv(control_sock
, &stream
, sizeof(stream
));
340 diag("[error] Remote side has closed connection");
344 diag("Error receiving stream");
347 session
->streams
[i
].id
= be64toh(stream
.id
);
349 session
->streams
[i
].ctf_trace_id
= be64toh(stream
.ctf_trace_id
);
350 session
->streams
[i
].first_read
= 1;
351 session
->streams
[i
].mmap_base
= mmap(NULL
, mmap_size
,
352 PROT_READ
| PROT_WRITE
,
353 MAP_PRIVATE
| MAP_ANONYMOUS
, -1, 0);
354 if (session
->streams
[i
].mmap_base
== MAP_FAILED
) {
359 if (be32toh(stream
.metadata_flag
)) {
360 session
->streams
[i
].metadata_flag
= 1;
363 return session
->stream_count
;
370 int get_metadata(void)
372 struct lttng_viewer_cmd cmd
;
373 struct lttng_viewer_get_metadata rq
;
374 struct lttng_viewer_metadata_packet rp
;
380 int metadata_stream_id
= -1;
382 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_METADATA
);
383 cmd
.data_size
= htobe64(sizeof(rq
));
384 cmd
.cmd_version
= htobe32(0);
386 for (i
= 0; i
< session
->stream_count
; i
++) {
387 if (session
->streams
[i
].metadata_flag
) {
388 metadata_stream_id
= i
;
393 if (metadata_stream_id
< 0) {
394 diag("No metadata stream found");
398 rq
.stream_id
= htobe64(session
->streams
[metadata_stream_id
].id
);
401 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
403 diag("Error sending cmd");
406 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
408 diag("Error sending get_metadata request");
411 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
413 diag("[error] Remote side has closed connection");
417 diag("Error receiving metadata response");
420 switch (be32toh(rp
.status
)) {
421 case LTTNG_VIEWER_METADATA_OK
:
423 case LTTNG_VIEWER_NO_NEW_METADATA
:
424 diag("Got LTTNG_VIEWER_NO_NEW_METADATA:");
427 case LTTNG_VIEWER_METADATA_ERR
:
428 diag("Got LTTNG_VIEWER_METADATA_ERR:");
431 diag("Got unknown status during LTTNG_VIEWER_GET_METADATA");
435 len
= be64toh(rp
.len
);
440 data
= calloc
<char>(len
);
442 PERROR("relay data zmalloc");
445 ret_len
= lttng_live_recv(control_sock
, data
, len
);
447 diag("[error] Remote side has closed connection");
448 goto error_free_data
;
451 diag("Error receiving trace packet");
452 goto error_free_data
;
466 int get_next_index(void)
468 struct lttng_viewer_cmd cmd
;
469 struct lttng_viewer_get_next_index rq
;
470 struct lttng_viewer_index rp
;
474 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_NEXT_INDEX
);
475 cmd
.data_size
= htobe64(sizeof(rq
));
476 cmd
.cmd_version
= htobe32(0);
478 for (id
= 0; id
< session
->stream_count
; id
++) {
479 if (session
->streams
[id
].metadata_flag
) {
482 memset(&rq
, 0, sizeof(rq
));
483 rq
.stream_id
= htobe64(session
->streams
[id
].id
);
486 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
488 diag("Error sending cmd");
491 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
493 diag("Error sending get_next_index request");
496 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
498 diag("[error] Remote side has closed connection");
502 diag("Error receiving index response");
506 rp
.flags
= be32toh(rp
.flags
);
508 switch (be32toh(rp
.status
)) {
509 case LTTNG_VIEWER_INDEX_INACTIVE
:
510 /* Skip this stream. */
511 diag("Got LTTNG_VIEWER_INDEX_INACTIVE");
513 case LTTNG_VIEWER_INDEX_OK
:
515 case LTTNG_VIEWER_INDEX_RETRY
:
518 case LTTNG_VIEWER_INDEX_HUP
:
519 diag("Got LTTNG_VIEWER_INDEX_HUP");
520 session
->streams
[id
].id
= -1ULL;
521 session
->streams
[id
].fd
= -1;
523 case LTTNG_VIEWER_INDEX_ERR
:
524 diag("Got LTTNG_VIEWER_INDEX_ERR");
527 diag("Unknown reply status during LTTNG_VIEWER_GET_NEXT_INDEX (%d)", be32toh(rp
.status
));
530 if (first_packet_stream_id
< 0) {
532 * Initialize the first packet stream id. That is,
533 * the first active stream encoutered.
535 first_packet_offset
= be64toh(rp
.offset
);
536 first_packet_len
= be64toh(rp
.packet_size
) / CHAR_BIT
;
537 first_packet_stream_id
= id
;
538 diag("Got first packet index with offset %d and len %d",
539 first_packet_offset
, first_packet_len
);
549 int get_data_packet(int id
, uint64_t offset
,
552 struct lttng_viewer_cmd cmd
;
553 struct lttng_viewer_get_packet rq
;
554 struct lttng_viewer_trace_packet rp
;
557 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_PACKET
);
558 cmd
.data_size
= htobe64(sizeof(rq
));
559 cmd
.cmd_version
= htobe32(0);
561 memset(&rq
, 0, sizeof(rq
));
562 rq
.stream_id
= htobe64(session
->streams
[id
].id
);
563 /* Already in big endian. */
565 rq
.len
= htobe32(len
);
567 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
569 diag("Error sending cmd");
572 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
574 diag("Error sending get_data_packet request");
577 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
579 diag("[error] Remote side has closed connection");
583 diag("Error receiving data response");
586 rp
.flags
= be32toh(rp
.flags
);
588 switch (be32toh(rp
.status
)) {
589 case LTTNG_VIEWER_GET_PACKET_OK
:
590 len
= be32toh(rp
.len
);
592 diag("Got LTTNG_VIEWER_GET_PACKET_OK, but len == 0");
596 case LTTNG_VIEWER_GET_PACKET_RETRY
:
597 diag("Got LTTNG_VIEWER_GET_PACKET_RETRY:");
599 case LTTNG_VIEWER_GET_PACKET_ERR
:
600 if (rp
.flags
& LTTNG_VIEWER_FLAG_NEW_METADATA
) {
601 diag("Got LTTNG_VIEWER_GET_PACKET_ERR with NEW_METADATA flag");
604 diag("Got LTTNG_VIEWER_GET_PACKET_ERR:");
607 diag("Got unknown status code during LTTNG_VIEWER_GET_PACKET");
611 if (len
> mmap_size
) {
612 diag("mmap_size not big enough");
616 ret_len
= lttng_live_recv(control_sock
, session
->streams
[id
].mmap_base
, len
);
618 diag("[error] Remote side has closed connection");
622 diag("Error receiving trace packet");
632 int detach_viewer_session(uint64_t id
)
634 struct lttng_viewer_cmd cmd
;
635 struct lttng_viewer_detach_session_response resp
;
636 struct lttng_viewer_detach_session_request rq
;
640 cmd
.cmd
= htobe32(LTTNG_VIEWER_DETACH_SESSION
);
641 cmd
.data_size
= htobe64(sizeof(rq
));
642 cmd
.cmd_version
= htobe32(0);
644 memset(&rq
, 0, sizeof(rq
));
645 rq
.session_id
= htobe64(id
);
647 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
649 fprintf(stderr
, "[error] Error sending cmd\n");
654 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
656 fprintf(stderr
, "Error sending attach request\n");
661 ret_len
= lttng_live_recv(control_sock
, &resp
, sizeof(resp
));
663 fprintf(stderr
, "[error] Error receiving detach session reply\n");
668 if (be32toh(resp
.status
) != LTTNG_VIEWER_DETACH_SESSION_OK
) {
669 fprintf(stderr
, "[error] Error detaching viewer session\n");
684 plan_tests(NUM_TESTS
);
686 diag("Live unit tests");
688 ret
= connect_viewer("localhost");
689 ok(ret
== 0, "Connect viewer to relayd");
691 ret
= establish_connection();
692 ok(ret
== 0, "Established connection and version check with %d.%d",
693 VERSION_MAJOR
, VERSION_MINOR
);
695 ret
= list_sessions(&session_id
);
696 ok(ret
> 0, "List sessions : %d session(s)", ret
);
701 ret
= create_viewer_session();
702 ok(ret
== 0, "Create viewer session");
704 ret
= attach_session(session_id
);
705 ok(ret
> 0, "Attach to session, %d stream(s) received", ret
);
707 ret
= get_metadata();
708 ok(ret
> 0, "Get metadata, received %d bytes", ret
);
710 ret
= get_next_index();
711 ok(ret
== 0, "Get one index per stream");
713 ret
= get_data_packet(first_packet_stream_id
, first_packet_offset
,
716 "Get one data packet for stream %d, offset %d, len %d",
717 first_packet_stream_id
, first_packet_offset
,
720 ret
= detach_viewer_session(session_id
);
721 ok(ret
== 0, "Detach viewer session");
723 ret
= list_sessions(&session_id
);
724 ok(ret
> 0, "List sessions : %d session(s)", ret
);
726 ret
= attach_session(session_id
);
727 ok(ret
> 0, "Attach to session, %d streams received", ret
);
729 return exit_status();