5 * Copyright 2013 Julien Desfossez <julien.desfossez@efficios.com>
6 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 #include <sys/param.h>
29 #include "lttng-viewer-abi.h"
31 #define LTTNG_DEFAULT_NETWORK_VIEWER_PORT 5344
33 #define LTTNG_LIVE_MAJOR 2
34 #define LTTNG_LIVE_MINOR 4
37 * The lttng-live output file pointer is currently hardcoded to stdout,
38 * and is expected to be hardcoded to this by fflush() performed between
41 #define LTTNG_LIVE_OUTPUT_FP stdout
43 struct lttng_live_ctx
{
44 char traced_hostname
[MAXNAMLEN
];
45 char session_name
[MAXNAMLEN
];
46 char relay_hostname
[MAXNAMLEN
];
49 /* Protocol version to use for this connection. */
52 struct lttng_live_session
*session
;
53 struct bt_context
*bt_ctx
;
57 struct lttng_live_viewer_stream
{
60 uint64_t ctf_stream_id
;
61 FILE *metadata_fp_write
;
65 struct lttng_live_session
*session
;
66 struct lttng_live_ctf_trace
*ctf_trace
;
67 struct lttng_viewer_index current_index
;
71 struct lttng_live_session
{
72 uint64_t live_timer_interval
;
73 uint64_t stream_count
;
74 struct lttng_live_ctx
*ctx
;
75 struct lttng_live_viewer_stream
*streams
;
76 /* HashTable mapping trace_ids to ptrs to struct lttng_live_ctf_trace */
77 GHashTable
*ctf_traces
;
80 struct lttng_live_ctf_trace
{
81 uint64_t ctf_trace_id
;
82 struct lttng_live_viewer_stream
*metadata_stream
;
85 struct bt_trace_handle
*handle
;
90 /* Just used in listing. */
91 struct lttng_live_relay_session
{
99 int lttng_live_connect_viewer(struct lttng_live_ctx
*ctx
);
100 int lttng_live_establish_connection(struct lttng_live_ctx
*ctx
);
101 int lttng_live_list_sessions(struct lttng_live_ctx
*ctx
, const char *path
);
102 int lttng_live_attach_session(struct lttng_live_ctx
*ctx
, uint64_t id
);
103 int lttng_live_read(struct lttng_live_ctx
*ctx
);
104 int lttng_live_get_new_streams(struct lttng_live_ctx
*ctx
, uint64_t id
);
105 int lttng_live_should_quit(void);
107 #endif /* _LTTNG_LIVE_H */