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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Copyright (C) 2005-2006, Digium, Inc.
*
* Matthew A. Nicholson <mnicholson@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
* \brief SMDI support for Asterisk.
* \author Matthew A. Nicholson <mnicholson@digium.com>
*/
/* C is simply a ego booster for those who want to do objects the hard way. */
#ifndef ASTERISK_SMDI_H
#define ASTERISK_SMDI_H
#include <termios.h>
#include <time.h>
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/astobj.h"
#define SMDI_MESG_DESK_NUM_LEN 3
#define SMDI_MESG_DESK_TERM_LEN 4
#define SMDI_MWI_FAIL_CAUSE_LEN 3
#define SMDI_MAX_STATION_NUM_LEN 10
#define SMDI_MAX_FILENAME_LEN 256
/*!
* \brief An SMDI message waiting indicator message.
*
* The ast_smdi_mwi_message structure contains the parsed out parts of an smdi
* message. Each ast_smdi_interface structure has a message queue consisting
* ast_smdi_mwi_message structures.
*/
struct ast_smdi_mwi_message {
ASTOBJ_COMPONENTS(struct ast_smdi_mwi_message);
char fwd_st[SMDI_MAX_STATION_NUM_LEN + 1]; /* forwarding station number */
char cause[SMDI_MWI_FAIL_CAUSE_LEN + 1]; /* the type of failure */
struct timeval timestamp; /* a timestamp for the message */
};
/*!
* \brief An SMDI message desk message.
*
* The ast_smdi_md_message structure contains the parsed out parts of an smdi
* message. Each ast_smdi_interface structure has a message queue consisting
* ast_smdi_md_message structures.
*/
struct ast_smdi_md_message {
ASTOBJ_COMPONENTS(struct ast_smdi_md_message);
char mesg_desk_num[SMDI_MESG_DESK_NUM_LEN + 1]; /* message desk number */
char mesg_desk_term[SMDI_MESG_DESK_TERM_LEN + 1]; /* message desk terminal */
char fwd_st[SMDI_MAX_STATION_NUM_LEN + 1]; /* forwarding station number */
char calling_st[SMDI_MAX_STATION_NUM_LEN + 1]; /* calling station number */
char type; /* the type of the call */
struct timeval timestamp; /* a timestamp for the message */
};
/*! \brief SMDI message desk message queue. */
struct ast_smdi_md_queue {
ASTOBJ_CONTAINER_COMPONENTS(struct ast_smdi_md_message);
};
/*! \brief SMDI message waiting indicator message queue. */
struct ast_smdi_mwi_queue {
ASTOBJ_CONTAINER_COMPONENTS(struct ast_smdi_mwi_message);
};
/*!
* \brief SMDI interface structure.
*
* The ast_smdi_interface structure holds information on a serial port that
* should be monitored for SMDI activity. The structure contains a message
* queue of messages that have been received on the interface.
*/
struct ast_smdi_interface {
ASTOBJ_COMPONENTS_FULL(struct ast_smdi_interface, SMDI_MAX_FILENAME_LEN, 1);
struct ast_smdi_md_queue md_q;
struct ast_smdi_mwi_queue mwi_q;
FILE *file;
int fd;
pthread_t thread;
struct termios mode;
int msdstrip;
long msg_expiry;
};
/* MD message queue functions */
struct ast_smdi_md_message *ast_smdi_md_message_pop(struct ast_smdi_interface *iface);
struct ast_smdi_md_message *ast_smdi_md_message_wait(struct ast_smdi_interface *iface, int timeout);
void ast_smdi_md_message_putback(struct ast_smdi_interface *iface, struct ast_smdi_md_message *msg);
/* MWI message queue functions */
struct ast_smdi_mwi_message *ast_smdi_mwi_message_pop(struct ast_smdi_interface *iface);
struct ast_smdi_mwi_message *ast_smdi_mwi_message_wait(struct ast_smdi_interface *iface, int timeout);
void ast_smdi_mwi_message_putback(struct ast_smdi_interface *iface, struct ast_smdi_mwi_message *msg);
struct ast_smdi_interface *ast_smdi_interface_find(const char *iface_name);
/* MWI functions */
int ast_smdi_mwi_set(struct ast_smdi_interface *iface, const char *mailbox);
int ast_smdi_mwi_unset(struct ast_smdi_interface *iface, const char *mailbox);
void ast_smdi_md_message_destroy(struct ast_smdi_md_message *msg);
void ast_smdi_mwi_message_destroy(struct ast_smdi_mwi_message *msg);
void ast_smdi_interface_destroy(struct ast_smdi_interface *iface);
#endif /* !ASTERISK_SMDI_H */
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