static int first_packet_offset;
static int first_packet_len;
-static int first_packet_stream_id;
+static int first_packet_stream_id = -1;
struct viewer_stream {
uint64_t id;
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "Error sending cmd\n");
+ diag("Error sending cmd");
goto error;
}
ret_len = lttng_live_send(control_sock, &connect, sizeof(connect));
if (ret_len < 0) {
- fprintf(stderr, "Error sending version\n");
+ diag("Error sending version");
goto error;
}
ret_len = lttng_live_recv(control_sock, &connect, sizeof(connect));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving version\n");
+ diag("Error receiving version");
goto error;
}
return 0;
/*
* Returns the number of sessions, should be 1 during the unit test.
*/
-int list_sessions(int *session_id)
+int list_sessions(uint64_t *session_id)
{
struct lttng_viewer_cmd cmd;
struct lttng_viewer_list_sessions list;
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "Error sending cmd\n");
+ diag("Error sending cmd");
goto error;
}
ret_len = lttng_live_recv(control_sock, &list, sizeof(list));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving session list\n");
+ diag("Error receiving session list");
goto error;
}
for (i = 0; i < be32toh(list.sessions_count); i++) {
ret_len = lttng_live_recv(control_sock, &lsession, sizeof(lsession));
if (ret_len < 0) {
- fprintf(stderr, "Error receiving session\n");
+ diag("Error receiving session");
goto error;
}
if (lsession.streams > 0 && first_session <= 0) {
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "[error] Error sending cmd\n");
+ diag("[error] Error sending cmd");
goto error;
}
assert(ret_len == sizeof(cmd));
ret_len = lttng_live_recv(control_sock, &resp, sizeof(resp));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "[error] Error receiving create session reply\n");
+ diag("[error] Error receiving create session reply");
goto error;
}
assert(ret_len == sizeof(resp));
if (be32toh(resp.status) != LTTNG_VIEWER_CREATE_SESSION_OK) {
- fprintf(stderr, "[error] Error creating viewer session\n");
+ diag("[error] Error creating viewer session");
goto error;
}
return 0;
return -1;
}
-int attach_session(int id)
+int attach_session(uint64_t id)
{
struct lttng_viewer_cmd cmd;
struct lttng_viewer_attach_session_request rq;
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "Error sending cmd\n");
+ diag("Error sending cmd LTTNG_VIEWER_ATTACH_SESSION");
goto error;
}
ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
if (ret_len < 0) {
- fprintf(stderr, "Error sending attach request\n");
+ diag("Error sending attach request");
goto error;
}
ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving attach response\n");
+ diag("Error receiving attach response");
goto error;
}
if (be32toh(rp.status) != LTTNG_VIEWER_ATTACH_OK) {
}
session->stream_count = be32toh(rp.streams_count);
+ if (session->stream_count == 0) {
+ diag("Got session stream count == 0");
+ goto error;
+ }
session->streams = zmalloc(session->stream_count *
sizeof(struct viewer_stream));
if (!session->streams) {
for (i = 0; i < be32toh(rp.streams_count); i++) {
ret_len = lttng_live_recv(control_sock, &stream, sizeof(stream));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving stream\n");
+ diag("Error receiving stream");
goto error;
}
session->streams[i].id = be64toh(stream.id);
session->streams[i].ctf_trace_id = be64toh(stream.ctf_trace_id);
session->streams[i].first_read = 1;
- session->streams[i].mmap_base = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE,
+ session->streams[i].mmap_base = mmap(NULL, mmap_size,
+ PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (session->streams[i].mmap_base == MAP_FAILED) {
- fprintf(stderr, "mmap error\n");
+ diag("mmap error");
goto error;
}
}
if (metadata_stream_id < 0) {
- fprintf(stderr, "No metadata stream found\n");
+ diag("No metadata stream found");
goto error;
}
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "Error sending cmd\n");
+ diag("Error sending cmd");
goto error;
}
ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
if (ret_len < 0) {
- fprintf(stderr, "Error sending get_metadata request\n");
+ diag("Error sending get_metadata request");
goto error;
}
ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving metadata response\n");
+ diag("Error receiving metadata response");
goto error;
}
switch (be32toh(rp.status)) {
- case LTTNG_VIEWER_METADATA_OK:
- break;
- case LTTNG_VIEWER_NO_NEW_METADATA:
- fprintf(stderr, "NO NEW\n");
- ret = 0;
- goto end;
- case LTTNG_VIEWER_METADATA_ERR:
- fprintf(stderr, "ERR\n");
- goto error;
- default:
- fprintf(stderr, "UNKNOWN\n");
- goto error;
+ case LTTNG_VIEWER_METADATA_OK:
+ break;
+ case LTTNG_VIEWER_NO_NEW_METADATA:
+ diag("Got LTTNG_VIEWER_NO_NEW_METADATA:");
+ ret = 0;
+ goto end;
+ case LTTNG_VIEWER_METADATA_ERR:
+ diag("Got LTTNG_VIEWER_METADATA_ERR:");
+ goto error;
+ default:
+ diag("Got unknown status during LTTNG_VIEWER_GET_METADATA");
+ goto error;
}
len = be64toh(rp.len);
}
ret_len = lttng_live_recv(control_sock, data, len);
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error_free_data;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving trace packet\n");
+ diag("Error receiving trace packet");
goto error_free_data;
}
free(data);
retry:
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "Error sending cmd\n");
+ diag("Error sending cmd");
goto error;
}
ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
if (ret_len < 0) {
- fprintf(stderr, "Error sending get_next_index request\n");
+ diag("Error sending get_next_index request");
goto error;
}
ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving index response\n");
+ diag("Error receiving index response");
goto error;
}
rp.flags = be32toh(rp.flags);
switch (be32toh(rp.status)) {
- case LTTNG_VIEWER_INDEX_INACTIVE:
- fprintf(stderr, "(INACTIVE)\n");
- break;
- case LTTNG_VIEWER_INDEX_OK:
- break;
- case LTTNG_VIEWER_INDEX_RETRY:
- sleep(1);
- goto retry;
- case LTTNG_VIEWER_INDEX_HUP:
- fprintf(stderr, "(HUP)\n");
- session->streams[id].id = -1ULL;
- session->streams[id].fd = -1;
- break;
- case LTTNG_VIEWER_INDEX_ERR:
- fprintf(stderr, "(ERR)\n");
- goto error;
- default:
- fprintf(stderr, "SHOULD NOT HAPPEN\n");
- goto error;
+ case LTTNG_VIEWER_INDEX_INACTIVE:
+ /* Skip this stream. */
+ diag("Got LTTNG_VIEWER_INDEX_INACTIVE");
+ continue;
+ case LTTNG_VIEWER_INDEX_OK:
+ break;
+ case LTTNG_VIEWER_INDEX_RETRY:
+ sleep(1);
+ goto retry;
+ case LTTNG_VIEWER_INDEX_HUP:
+ diag("Got LTTNG_VIEWER_INDEX_HUP");
+ session->streams[id].id = -1ULL;
+ session->streams[id].fd = -1;
+ goto error;
+ case LTTNG_VIEWER_INDEX_ERR:
+ diag("Got LTTNG_VIEWER_INDEX_ERR");
+ goto error;
+ default:
+ diag("Unknown reply status during LTTNG_VIEWER_GET_NEXT_INDEX (%d)", be32toh(rp.status));
+ goto error;
}
- if (!first_packet_stream_id) {
+ if (first_packet_stream_id < 0) {
+ /*
+ * Initialize the first packet stream id. That is,
+ * the first active stream encoutered.
+ */
first_packet_offset = be64toh(rp.offset);
first_packet_len = be64toh(rp.packet_size) / CHAR_BIT;
first_packet_stream_id = id;
+ diag("Got first packet index with offset %d and len %d",
+ first_packet_offset, first_packet_len);
}
}
return 0;
ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
if (ret_len < 0) {
- fprintf(stderr, "Error sending cmd\n");
+ diag("Error sending cmd");
goto error;
}
ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
if (ret_len < 0) {
- fprintf(stderr, "Error sending get_data_packet request\n");
+ diag("Error sending get_data_packet request");
goto error;
}
ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving data response\n");
+ diag("Error receiving data response");
goto error;
}
rp.flags = be32toh(rp.flags);
switch (be32toh(rp.status)) {
case LTTNG_VIEWER_GET_PACKET_OK:
len = be32toh(rp.len);
+ if (len == 0) {
+ diag("Got LTTNG_VIEWER_GET_PACKET_OK, but len == 0");
+ goto error;
+ }
break;
case LTTNG_VIEWER_GET_PACKET_RETRY:
- fprintf(stderr, "RETRY\n");
+ diag("Got LTTNG_VIEWER_GET_PACKET_RETRY:");
goto error;
case LTTNG_VIEWER_GET_PACKET_ERR:
if (rp.flags & LTTNG_VIEWER_FLAG_NEW_METADATA) {
- fprintf(stderr, "NEW_METADATA\n");
+ diag("Got LTTNG_VIEWER_GET_PACKET_ERR with NEW_METADATA flag");
goto end;
}
- fprintf(stderr, "ERR\n");
+ diag("Got LTTNG_VIEWER_GET_PACKET_ERR:");
goto error;
default:
- fprintf(stderr, "UNKNOWN\n");
- goto error;
- }
-
- if (len == 0) {
+ diag("Got unknown status code during LTTNG_VIEWER_GET_PACKET");
goto error;
}
if (len > mmap_size) {
- fprintf(stderr, "mmap_size not big enough\n");
+ diag("mmap_size not big enough");
goto error;
}
ret_len = lttng_live_recv(control_sock, session->streams[id].mmap_base, len);
if (ret_len == 0) {
- fprintf(stderr, "[error] Remote side has closed connection\n");
+ diag("[error] Remote side has closed connection");
goto error;
}
if (ret_len < 0) {
- fprintf(stderr, "Error receiving trace packet\n");
+ diag("Error receiving trace packet");
goto error;
}
end:
int main(int argc, char **argv)
{
int ret;
- int session_id;
+ uint64_t session_id;
plan_tests(NUM_TESTS);
ok(ret == 0, "Create viewer session");
ret = attach_session(session_id);
- ok(ret > 0, "Attach to session, %d streams received", ret);
+ ok(ret > 0, "Attach to session, %d stream(s) received", ret);
ret = get_metadata();
ok(ret > 0, "Get metadata, received %d bytes", ret);
projects / lttng-tools.git / blobdiff