| 1 | #ifndef _LTTNG_LIVE_FUNCTIONS_H |
| 2 | #define _LTTNG_LIVE_FUNCTIONS_H |
| 3 | |
| 4 | /* |
| 5 | * Copyright 2013 Julien Desfossez <julien.desfossez@efficios.com> |
| 6 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 7 | * |
| 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: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 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 |
| 24 | * SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #include <stdint.h> |
| 28 | |
| 29 | #define LTTNG_METADATA_PATH_TEMPLATE "/tmp/lttng-live-XXXXXX" |
| 30 | #define LTTNG_DEFAULT_NETWORK_VIEWER_PORT 5344 |
| 31 | |
| 32 | #define LTTNG_LIVE_MAJOR 2 |
| 33 | #define LTTNG_LIVE_MINOR 4 |
| 34 | |
| 35 | struct lttng_live_ctx { |
| 36 | int control_sock; |
| 37 | struct lttng_live_session *session; |
| 38 | }; |
| 39 | |
| 40 | struct lttng_live_viewer_stream { |
| 41 | uint64_t id; |
| 42 | uint64_t mmap_size; |
| 43 | int fd; |
| 44 | int metadata_flag; |
| 45 | int first_read; |
| 46 | struct lttng_live_session *session; |
| 47 | struct lttng_live_ctf_trace *ctf_trace; |
| 48 | char path[PATH_MAX]; |
| 49 | }; |
| 50 | |
| 51 | struct lttng_live_session { |
| 52 | uint64_t live_timer_interval; |
| 53 | uint64_t stream_count; |
| 54 | struct lttng_live_ctx *ctx; |
| 55 | struct lttng_live_viewer_stream *streams; |
| 56 | GHashTable *ctf_traces; |
| 57 | }; |
| 58 | |
| 59 | struct lttng_live_ctf_trace { |
| 60 | uint64_t ctf_trace_id; |
| 61 | struct lttng_live_viewer_stream *metadata_stream; |
| 62 | GPtrArray *streams; |
| 63 | FILE *metadata_fp; |
| 64 | int trace_id; |
| 65 | }; |
| 66 | |
| 67 | int lttng_live_connect_viewer(struct lttng_live_ctx *ctx, char *hostname, |
| 68 | int port); |
| 69 | int lttng_live_establish_connection(struct lttng_live_ctx *ctx); |
| 70 | int lttng_live_list_sessions(struct lttng_live_ctx *ctx, const char *path); |
| 71 | int lttng_live_attach_session(struct lttng_live_ctx *ctx, uint64_t id); |
| 72 | void lttng_live_read(struct lttng_live_ctx *ctx, uint64_t session_id); |
| 73 | |
| 74 | #endif /* _LTTNG_LIVE_FUNCTIONS_H */ |