2 * Copyright (c) - 2013 Julien Desfossez <jdesfossez@efficios.com>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by as
6 * published by the Free Software Foundation; only version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #include <common/compat/time.h>
25 #include <sys/types.h>
28 #include <sys/socket.h>
29 #include <netinet/in.h>
36 #include <lttng/lttng.h>
38 #include <urcu/list.h>
39 #include <common/common.h>
41 #include <bin/lttng-relayd/lttng-viewer-abi.h>
42 #include <common/index/ctf-index.h>
44 #include <common/compat/endian.h>
46 #define SESSION1 "test1"
47 #define RELAYD_URL "net://localhost"
48 #define LIVE_TIMER 2000000
50 /* Number of TAP tests in this file */
52 #define mmap_size 524288
54 static int control_sock
;
55 struct live_session
*session
;
57 static int first_packet_offset
;
58 static int first_packet_len
;
59 static int first_packet_stream_id
= -1;
61 struct viewer_stream
{
63 uint64_t ctf_trace_id
;
72 struct viewer_stream
*streams
;
73 uint64_t live_timer_interval
;
74 uint64_t stream_count
;
78 ssize_t
lttng_live_recv(int fd
, void *buf
, size_t len
)
81 size_t copied
= 0, to_copy
= len
;
84 ret
= recv(fd
, buf
+ copied
, to_copy
, 0);
86 assert(ret
<= to_copy
);
90 } while ((ret
> 0 && to_copy
> 0)
91 || (ret
< 0 && errno
== EINTR
));
94 /* ret = 0 means orderly shutdown, ret < 0 is error. */
99 ssize_t
lttng_live_send(int fd
, const void *buf
, size_t len
)
104 ret
= send(fd
, buf
, len
, MSG_NOSIGNAL
);
105 } while (ret
< 0 && errno
== EINTR
);
110 int connect_viewer(char *hostname
)
112 struct hostent
*host
;
113 struct sockaddr_in server_addr
;
116 host
= gethostbyname(hostname
);
122 if ((control_sock
= socket(AF_INET
, SOCK_STREAM
, 0)) == -1) {
128 server_addr
.sin_family
= AF_INET
;
129 server_addr
.sin_port
= htons(5344);
130 server_addr
.sin_addr
= *((struct in_addr
*) host
->h_addr
);
131 bzero(&(server_addr
.sin_zero
), 8);
133 if (connect(control_sock
, (struct sockaddr
*) &server_addr
,
134 sizeof(struct sockaddr
)) == -1) {
140 server_addr
.sin_family
= AF_INET
;
141 server_addr
.sin_port
= htons(5345);
142 server_addr
.sin_addr
= *((struct in_addr
*) host
->h_addr
);
143 bzero(&(server_addr
.sin_zero
), 8);
151 int establish_connection(void)
153 struct lttng_viewer_cmd cmd
;
154 struct lttng_viewer_connect connect
;
157 cmd
.cmd
= htobe32(LTTNG_VIEWER_CONNECT
);
158 cmd
.data_size
= htobe64(sizeof(connect
));
159 cmd
.cmd_version
= htobe32(0);
161 memset(&connect
, 0, sizeof(connect
));
162 connect
.major
= htobe32(VERSION_MAJOR
);
163 connect
.minor
= htobe32(VERSION_MINOR
);
164 connect
.type
= htobe32(LTTNG_VIEWER_CLIENT_COMMAND
);
166 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
168 diag("Error sending cmd");
171 ret_len
= lttng_live_send(control_sock
, &connect
, sizeof(connect
));
173 diag("Error sending version");
177 ret_len
= lttng_live_recv(control_sock
, &connect
, sizeof(connect
));
179 diag("[error] Remote side has closed connection");
183 diag("Error receiving version");
193 * Returns the number of sessions, should be 1 during the unit test.
195 int list_sessions(uint64_t *session_id
)
197 struct lttng_viewer_cmd cmd
;
198 struct lttng_viewer_list_sessions list
;
199 struct lttng_viewer_session lsession
;
202 int first_session
= 0;
204 cmd
.cmd
= htobe32(LTTNG_VIEWER_LIST_SESSIONS
);
205 cmd
.data_size
= htobe64(0);
206 cmd
.cmd_version
= htobe32(0);
208 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
210 diag("Error sending cmd");
214 ret_len
= lttng_live_recv(control_sock
, &list
, sizeof(list
));
216 diag("[error] Remote side has closed connection");
220 diag("Error receiving session list");
224 for (i
= 0; i
< be32toh(list
.sessions_count
); i
++) {
225 ret_len
= lttng_live_recv(control_sock
, &lsession
, sizeof(lsession
));
227 diag("Error receiving session");
230 if (lsession
.streams
> 0 && first_session
<= 0) {
231 first_session
= be64toh(lsession
.id
);
232 *session_id
= first_session
;
236 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 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 assert(ret_len
== sizeof(resp
));
270 if (be32toh(resp
.status
) != LTTNG_VIEWER_CREATE_SESSION_OK
) {
271 diag("[error] Error creating viewer session");
280 int attach_session(uint64_t id
)
282 struct lttng_viewer_cmd cmd
;
283 struct lttng_viewer_attach_session_request rq
;
284 struct lttng_viewer_attach_session_response rp
;
285 struct lttng_viewer_stream stream
;
289 session
= zmalloc(sizeof(struct live_session
));
294 cmd
.cmd
= htobe32(LTTNG_VIEWER_ATTACH_SESSION
);
295 cmd
.data_size
= htobe64(sizeof(rq
));
296 cmd
.cmd_version
= htobe32(0);
298 memset(&rq
, 0, sizeof(rq
));
299 rq
.session_id
= htobe64(id
);
300 rq
.seek
= htobe32(LTTNG_VIEWER_SEEK_BEGINNING
);
302 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
304 diag("Error sending cmd LTTNG_VIEWER_ATTACH_SESSION");
307 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
309 diag("Error sending attach request");
313 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
315 diag("[error] Remote side has closed connection");
319 diag("Error receiving attach response");
322 if (be32toh(rp
.status
) != LTTNG_VIEWER_ATTACH_OK
) {
326 session
->stream_count
= be32toh(rp
.streams_count
);
327 if (session
->stream_count
== 0) {
328 diag("Got session stream count == 0");
331 session
->streams
= zmalloc(session
->stream_count
*
332 sizeof(struct viewer_stream
));
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
;
369 int get_metadata(void)
371 struct lttng_viewer_cmd cmd
;
372 struct lttng_viewer_get_metadata rq
;
373 struct lttng_viewer_metadata_packet rp
;
379 int metadata_stream_id
= -1;
381 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_METADATA
);
382 cmd
.data_size
= htobe64(sizeof(rq
));
383 cmd
.cmd_version
= htobe32(0);
385 for (i
= 0; i
< session
->stream_count
; i
++) {
386 if (session
->streams
[i
].metadata_flag
) {
387 metadata_stream_id
= i
;
392 if (metadata_stream_id
< 0) {
393 diag("No metadata stream found");
397 rq
.stream_id
= htobe64(session
->streams
[metadata_stream_id
].id
);
400 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
402 diag("Error sending cmd");
405 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
407 diag("Error sending get_metadata request");
410 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
412 diag("[error] Remote side has closed connection");
416 diag("Error receiving metadata response");
419 switch (be32toh(rp
.status
)) {
420 case LTTNG_VIEWER_METADATA_OK
:
422 case LTTNG_VIEWER_NO_NEW_METADATA
:
423 diag("Got LTTNG_VIEWER_NO_NEW_METADATA:");
426 case LTTNG_VIEWER_METADATA_ERR
:
427 diag("Got LTTNG_VIEWER_METADATA_ERR:");
430 diag("Got unknown status during LTTNG_VIEWER_GET_METADATA");
434 len
= be64toh(rp
.len
);
441 PERROR("relay data zmalloc");
444 ret_len
= lttng_live_recv(control_sock
, data
, len
);
446 diag("[error] Remote side has closed connection");
447 goto error_free_data
;
450 diag("Error receiving trace packet");
451 goto error_free_data
;
464 int get_next_index(void)
466 struct lttng_viewer_cmd cmd
;
467 struct lttng_viewer_get_next_index rq
;
468 struct lttng_viewer_index rp
;
472 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_NEXT_INDEX
);
473 cmd
.data_size
= htobe64(sizeof(rq
));
474 cmd
.cmd_version
= htobe32(0);
476 for (id
= 0; id
< session
->stream_count
; id
++) {
477 if (session
->streams
[id
].metadata_flag
) {
480 memset(&rq
, 0, sizeof(rq
));
481 rq
.stream_id
= htobe64(session
->streams
[id
].id
);
484 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
486 diag("Error sending cmd");
489 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
491 diag("Error sending get_next_index request");
494 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
496 diag("[error] Remote side has closed connection");
500 diag("Error receiving index response");
504 rp
.flags
= be32toh(rp
.flags
);
506 switch (be32toh(rp
.status
)) {
507 case LTTNG_VIEWER_INDEX_INACTIVE
:
508 /* Skip this stream. */
509 diag("Got LTTNG_VIEWER_INDEX_INACTIVE");
511 case LTTNG_VIEWER_INDEX_OK
:
513 case LTTNG_VIEWER_INDEX_RETRY
:
516 case LTTNG_VIEWER_INDEX_HUP
:
517 diag("Got LTTNG_VIEWER_INDEX_HUP");
518 session
->streams
[id
].id
= -1ULL;
519 session
->streams
[id
].fd
= -1;
521 case LTTNG_VIEWER_INDEX_ERR
:
522 diag("Got LTTNG_VIEWER_INDEX_ERR");
525 diag("Unknown reply status during LTTNG_VIEWER_GET_NEXT_INDEX (%d)", be32toh(rp
.status
));
528 if (first_packet_stream_id
< 0) {
530 * Initialize the first packet stream id. That is,
531 * the first active stream encoutered.
533 first_packet_offset
= be64toh(rp
.offset
);
534 first_packet_len
= be64toh(rp
.packet_size
) / CHAR_BIT
;
535 first_packet_stream_id
= id
;
536 diag("Got first packet index with offset %d and len %d",
537 first_packet_offset
, first_packet_len
);
547 int get_data_packet(int id
, uint64_t offset
,
550 struct lttng_viewer_cmd cmd
;
551 struct lttng_viewer_get_packet rq
;
552 struct lttng_viewer_trace_packet rp
;
555 cmd
.cmd
= htobe32(LTTNG_VIEWER_GET_PACKET
);
556 cmd
.data_size
= htobe64(sizeof(rq
));
557 cmd
.cmd_version
= htobe32(0);
559 memset(&rq
, 0, sizeof(rq
));
560 rq
.stream_id
= htobe64(session
->streams
[id
].id
);
561 /* Already in big endian. */
563 rq
.len
= htobe32(len
);
565 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
567 diag("Error sending cmd");
570 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
572 diag("Error sending get_data_packet request");
575 ret_len
= lttng_live_recv(control_sock
, &rp
, sizeof(rp
));
577 diag("[error] Remote side has closed connection");
581 diag("Error receiving data response");
584 rp
.flags
= be32toh(rp
.flags
);
586 switch (be32toh(rp
.status
)) {
587 case LTTNG_VIEWER_GET_PACKET_OK
:
588 len
= be32toh(rp
.len
);
590 diag("Got LTTNG_VIEWER_GET_PACKET_OK, but len == 0");
594 case LTTNG_VIEWER_GET_PACKET_RETRY
:
595 diag("Got LTTNG_VIEWER_GET_PACKET_RETRY:");
597 case LTTNG_VIEWER_GET_PACKET_ERR
:
598 if (rp
.flags
& LTTNG_VIEWER_FLAG_NEW_METADATA
) {
599 diag("Got LTTNG_VIEWER_GET_PACKET_ERR with NEW_METADATA flag");
602 diag("Got LTTNG_VIEWER_GET_PACKET_ERR:");
605 diag("Got unknown status code during LTTNG_VIEWER_GET_PACKET");
609 if (len
> mmap_size
) {
610 diag("mmap_size not big enough");
614 ret_len
= lttng_live_recv(control_sock
, session
->streams
[id
].mmap_base
, len
);
616 diag("[error] Remote side has closed connection");
620 diag("Error receiving trace packet");
629 int detach_viewer_session(uint64_t id
)
631 struct lttng_viewer_cmd cmd
;
632 struct lttng_viewer_detach_session_response resp
;
633 struct lttng_viewer_detach_session_request rq
;
637 cmd
.cmd
= htobe32(LTTNG_VIEWER_DETACH_SESSION
);
638 cmd
.data_size
= htobe64(sizeof(rq
));
639 cmd
.cmd_version
= htobe32(0);
641 memset(&rq
, 0, sizeof(rq
));
642 rq
.session_id
= htobe64(id
);
644 ret_len
= lttng_live_send(control_sock
, &cmd
, sizeof(cmd
));
646 fprintf(stderr
, "[error] Error sending cmd\n");
651 ret_len
= lttng_live_send(control_sock
, &rq
, sizeof(rq
));
653 fprintf(stderr
, "Error sending attach request\n");
658 ret_len
= lttng_live_recv(control_sock
, &resp
, sizeof(resp
));
660 fprintf(stderr
, "[error] Error receiving detach session reply\n");
665 if (be32toh(resp
.status
) != LTTNG_VIEWER_DETACH_SESSION_OK
) {
666 fprintf(stderr
, "[error] Error detaching viewer session\n");
676 int main(int argc
, char **argv
)
681 plan_tests(NUM_TESTS
);
683 diag("Live unit tests");
685 ret
= connect_viewer("localhost");
686 ok(ret
== 0, "Connect viewer to relayd");
688 ret
= establish_connection();
689 ok(ret
== 0, "Established connection and version check with %d.%d",
690 VERSION_MAJOR
, VERSION_MINOR
);
692 ret
= list_sessions(&session_id
);
693 ok(ret
> 0, "List sessions : %d session(s)", ret
);
698 ret
= create_viewer_session();
699 ok(ret
== 0, "Create viewer session");
701 ret
= attach_session(session_id
);
702 ok(ret
> 0, "Attach to session, %d stream(s) received", ret
);
704 ret
= get_metadata();
705 ok(ret
> 0, "Get metadata, received %d bytes", ret
);
707 ret
= get_next_index();
708 ok(ret
== 0, "Get one index per stream");
710 ret
= get_data_packet(first_packet_stream_id
, first_packet_offset
,
713 "Get one data packet for stream %d, offset %d, len %d",
714 first_packet_stream_id
, first_packet_offset
,
717 ret
= detach_viewer_session(session_id
);
718 ok(ret
== 0, "Detach viewer session");
720 ret
= list_sessions(&session_id
);
721 ok(ret
> 0, "List sessions : %d session(s)", ret
);
723 ret
= attach_session(session_id
);
724 ok(ret
> 0, "Attach to session, %d streams received", ret
);
726 return exit_status();