[lttngtop.git] / src / lttng-live-functions.h

#ifndef _LTTNG_LIVE_FUNCTIONS_H
#define _LTTNG_LIVE_FUNCTIONS_H

/*
 * Copyright 2013 Julien Desfossez <julien.desfossez@efficios.com>
 *                Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <stdint.h>

#define LTTNG_METADATA_PATH_TEMPLATE		"/tmp/lttng-live-XXXXXX"
#define LTTNG_DEFAULT_NETWORK_VIEWER_PORT	5344

#define LTTNG_LIVE_MAJOR			2
#define LTTNG_LIVE_MINOR			4

struct lttng_live_ctx {
	int control_sock;
	struct lttng_live_session *session;
};

struct lttng_live_viewer_stream {
	uint64_t id;
	uint64_t mmap_size;
	int fd;
	int metadata_flag;
	int first_read;
	struct lttng_live_session *session;
	struct lttng_live_ctf_trace *ctf_trace;
	char path[PATH_MAX];
};

struct lttng_live_session {
	uint64_t live_timer_interval;
	uint64_t stream_count;
	struct lttng_live_ctx *ctx;
	struct lttng_live_viewer_stream *streams;
	GHashTable *ctf_traces;
};

struct lttng_live_ctf_trace {
	uint64_t ctf_trace_id;
	struct lttng_live_viewer_stream *metadata_stream;
	GPtrArray *streams;
	FILE *metadata_fp;
	int trace_id;
};

int lttng_live_connect_viewer(struct lttng_live_ctx *ctx, char *hostname,
		int port);
int lttng_live_establish_connection(struct lttng_live_ctx *ctx);
int lttng_live_list_sessions(struct lttng_live_ctx *ctx, const char *path);
int lttng_live_attach_session(struct lttng_live_ctx *ctx, uint64_t id);
void lttng_live_read(struct lttng_live_ctx *ctx, uint64_t session_id);

#endif /* _LTTNG_LIVE_FUNCTIONS_H */
Commit	Line	Data
12a91e9d JD	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 */