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