[lttv.git] / ltt / branches / poly / libltt / libltt.h

/* libltt header file
 *
 * Copyright 2005-
 *     Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 *
 * Inspired from iptables, by James Morris <jmorris@intercode.com.au>.
 * 
 */

#ifndef _LIBLTT_H
#define _LIBLTT_H

#include <linux/limits.h>
#include <asm/types.h>
#include <linux/netlink.h>

#ifndef NETLINK_LTT
#define NETLINK_LTT 12
#endif


enum trace_op {
	OP_CREATE,
	OP_DESTROY,
	OP_START,
	OP_STOP,
	OP_NONE
};

enum trace_mode {
	LTT_TRACE_NORMAL,
	LTT_TRACE_FLIGHT
};


struct lttctl_handle
{
  int fd;
  //u_int8_t blocking;
  struct sockaddr_nl local;
  struct sockaddr_nl peer;
};

typedef struct lttctl_peer_msg {
	char trace_name[NAME_MAX];
	enum trace_op op;
	union {
		enum trace_mode mode;
	} args;
} lttctl_peer_msg_t;

typedef struct lttctl_resp_msg {
	int err;
} lttctl_resp_msg_t;

struct lttctl_handle *lttctl_create_handle(void);

int lttctl_destroy_handle(struct lttctl_handle *h);


int lttctl_create_trace(const struct lttctl_handle * handle,
		char *name, enum trace_mode mode);

int lttctl_destroy_trace(const struct lttctl_handle *handle, char *name);

int lttctl_start(const struct lttctl_handle *handle, char *name);

int lttctl_stop(const struct lttctl_handle *handle, char *name);

#define LTTCTLM_BASE	0x10
#define LTTCTLM_CONTROL	(LTTCTLM_BASE + 1)	/* LTT control message */


#endif //_LIBLTT_H
Commit	Line	Data
	1	/* libltt header file
	2	*
	3	* Copyright 2005-
	4	* Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
	5	*
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	*
	18	* Inspired from iptables, by James Morris <jmorris@intercode.com.au>.
	19	*
	20	*/
	21
	22	#ifndef _LIBLTT_H
	23	#define _LIBLTT_H
	24
	25	#include <linux/limits.h>
	26	#include <asm/types.h>
	27	#include <linux/netlink.h>
	28
	29	#ifndef NETLINK_LTT
	30	#define NETLINK_LTT 12
	31	#endif
	32
	33
	34	enum trace_op {
	35	OP_CREATE,
	36	OP_DESTROY,
	37	OP_START,
	38	OP_STOP,
	39	OP_NONE
	40	};
	41
	42	enum trace_mode {
	43	LTT_TRACE_NORMAL,
	44	LTT_TRACE_FLIGHT
	45	};
	46
	47
	48	struct lttctl_handle
	49	{
	50	int fd;
	51	//u_int8_t blocking;
	52	struct sockaddr_nl local;
	53	struct sockaddr_nl peer;
	54	};
	55
	56	typedef struct lttctl_peer_msg {
	57	char trace_name[NAME_MAX];
	58	enum trace_op op;
	59	union {
	60	enum trace_mode mode;
	61	} args;
	62	} lttctl_peer_msg_t;
	63
	64	typedef struct lttctl_resp_msg {
	65	int err;
	66	} lttctl_resp_msg_t;
	67
	68	struct lttctl_handle *lttctl_create_handle(void);
	69
	70	int lttctl_destroy_handle(struct lttctl_handle *h);
	71
	72
	73	int lttctl_create_trace(const struct lttctl_handle * handle,
	74	char *name, enum trace_mode mode);
	75
	76	int lttctl_destroy_trace(const struct lttctl_handle handle, char name);
	77
	78	int lttctl_start(const struct lttctl_handle handle, char name);
	79
	80	int lttctl_stop(const struct lttctl_handle handle, char name);
	81
	82	#define LTTCTLM_BASE 0x10
	83	#define LTTCTLM_CONTROL (LTTCTLM_BASE + 1) /* LTT control message */
	84
	85
	86	#endif //_LIBLTT_H