[lttngtop.git] / src / lttng-live-comm.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>
#include "lttng-viewer-abi.h"

#define LTTNG_DEFAULT_NETWORK_VIEWER_PORT	5344

#define LTTNG_LIVE_MAJOR			2
#define LTTNG_LIVE_MINOR			4

struct lttng_live_ctx {
	char traced_hostname[NAME_MAX];
	char session_name[NAME_MAX];
	char relay_hostname[NAME_MAX];
	int control_sock;
	int port;
	/* Protocol version to use for this connection. */
	uint32_t major;
	uint32_t minor;
	struct lttng_live_session *session;
	struct bt_context *bt_ctx;
	GArray *session_ids;
};

struct lttng_live_viewer_stream {
	uint64_t id;
	uint64_t mmap_size;
	uint64_t ctf_stream_id;
	FILE *metadata_fp_write;
	ssize_t metadata_len;
	int metadata_flag;
	int data_pending;
	struct lttng_live_session *session;
	struct lttng_live_ctf_trace *ctf_trace;
	struct lttng_viewer_index current_index;
	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;
	struct bt_trace_handle *handle;
	int trace_id;
	int in_use;
};

/* Just used in listing. */
struct lttng_live_relay_session {
	uint32_t streams;
	uint32_t clients;
	uint32_t timer;
	char *name;
	char *hostname;
};

int lttng_live_connect_viewer(struct lttng_live_ctx *ctx);
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);
int lttng_live_read(struct lttng_live_ctx *ctx);
int lttng_live_get_new_streams(struct lttng_live_ctx *ctx, uint64_t id);
int lttng_live_should_quit(void);

#endif /* _LTTNG_LIVE_FUNCTIONS_H */
Commit	Line	Data
	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	#include "lttng-viewer-abi.h"
	29
	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	char traced_hostname[NAME_MAX];
	37	char session_name[NAME_MAX];
	38	char relay_hostname[NAME_MAX];
	39	int control_sock;
	40	int port;
	41	/* Protocol version to use for this connection. */
	42	uint32_t major;
	43	uint32_t minor;
	44	struct lttng_live_session *session;
	45	struct bt_context *bt_ctx;
	46	GArray *session_ids;
	47	};
	48
	49	struct lttng_live_viewer_stream {
	50	uint64_t id;
	51	uint64_t mmap_size;
	52	uint64_t ctf_stream_id;
	53	FILE *metadata_fp_write;
	54	ssize_t metadata_len;
	55	int metadata_flag;
	56	int data_pending;
	57	struct lttng_live_session *session;
	58	struct lttng_live_ctf_trace *ctf_trace;
	59	struct lttng_viewer_index current_index;
	60	char path[PATH_MAX];
	61	};
	62
	63	struct lttng_live_session {
	64	uint64_t live_timer_interval;
	65	uint64_t stream_count;
	66	struct lttng_live_ctx *ctx;
	67	struct lttng_live_viewer_stream *streams;
	68	GHashTable *ctf_traces;
	69	};
	70
	71	struct lttng_live_ctf_trace {
	72	uint64_t ctf_trace_id;
	73	struct lttng_live_viewer_stream *metadata_stream;
	74	GPtrArray *streams;
	75	FILE *metadata_fp;
	76	struct bt_trace_handle *handle;
	77	int trace_id;
	78	int in_use;
	79	};
	80
	81	/* Just used in listing. */
	82	struct lttng_live_relay_session {
	83	uint32_t streams;
	84	uint32_t clients;
	85	uint32_t timer;
	86	char *name;
	87	char *hostname;
	88	};
	89
	90	int lttng_live_connect_viewer(struct lttng_live_ctx *ctx);
	91	int lttng_live_establish_connection(struct lttng_live_ctx *ctx);
	92	int lttng_live_list_sessions(struct lttng_live_ctx ctx, const char path);
	93	int lttng_live_attach_session(struct lttng_live_ctx *ctx, uint64_t id);
	94	int lttng_live_read(struct lttng_live_ctx *ctx);
	95	int lttng_live_get_new_streams(struct lttng_live_ctx *ctx, uint64_t id);
	96	int lttng_live_should_quit(void);
	97
	98	#endif /* _LTTNG_LIVE_FUNCTIONS_H */