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#ifndef _LIBGSMD_H
#define _LIBGSMD_H
/* libgsmd.h - Library API for gsmd, the GSM Daemon
* (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
* Development funded by First International Computers, Inc.
*/
#include <sys/types.h>
#include <errno.h>
#include <gsmd/usock.h>
/* Generic Information
*
* Return value:
* < 0 Error, see libgsmd/errno.h and errno.h
* = 0 Success
* > 0 Success, number of information elements returned
*
* Allocation:
* All data structures are caller-allocated. The only exception
* is struct lgsm_handle which is allocatedi in lgsm_init() and
* free'd in lgsm_exit()
*
* References:
* Recefences to "Chapter X" are referring to 3GPP TS 07.07 version 7.8.0
*/
/* Opaque data structure, content only known to libgsm implementation */
struct lgsm_handle;
/* Refer to GSM 04.08 [8] subclause 10.5.4.7 */
enum lgsm_addr_type {
LGSM_ATYPE_ISDN_UNKN = 161,
//LGSM_ATYPE_ISDN_INTL = ,
//LGSM_ATYPE_ISDN_NATIONAL = ,
};
#define LGSM_ADDR_MAXLEN 31
struct lgsm_addr {
enum lgsm_addr_type type;
char addr[LGSM_ADDR_MAXLEN+1];
};
typedef int lgsm_msg_handler(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh);
#define LGSMD_DEVICE_GSMD "gsmd"
/* initialize usage of libgsmd, obtain handle for othe API calls */
extern struct lgsm_handle *lgsm_init(const char *device);
/* Terminate usage of libgsmd */
extern int lgsm_exit(struct lgsm_handle *lh);
/* Obtain file descriptor (e.g. for select-loop under app control) */
extern int lgsm_fd(struct lgsm_handle *lh);
extern int lgsm_register_handler(struct lgsm_handle *lh, int type, lgsm_msg_handler *handler);
extern void lgsm_unregister_handler(struct lgsm_handle *lh, int type);
extern int lgsm_passthrough_send(struct lgsm_handle *lh, const char *tx);
extern int lgsm_passthrough(struct lgsm_handle *lh, const char *tx, char *rx, unsigned int *rx_len);
extern int lgsm_subscriptions(struct lgsm_handle *lh, u_int32_t subscriptions);
extern struct gsmd_msg_hdr *lgsm_gmh_fill(int type, int subtype, int payload_len);
extern int lgsm_send(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh);
extern int lgsm_handle_packet(struct lgsm_handle *lh, char *buf, int len);
#endif
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