Mon Mar 20 08:20:14 2006

Asterisk developer's documentation

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app_alarmreceiver.c File Reference

Central Station Alarm receiver for Ademco Contact ID. More...

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <sys/wait.h>
#include <unistd.h>
#include <sys/time.h>
#include "asterisk.h"
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/ulaw.h"
#include "asterisk/options.h"
#include "asterisk/app.h"
#include "asterisk/dsp.h"
#include "asterisk/config.h"
#include "asterisk/localtime.h"
#include "asterisk/callerid.h"
#include "asterisk/astdb.h"

Go to the source code of this file.

Data Structures
struct	event_node
Defines
#define	ADEMCO_CONTACT_ID   "ADEMCO_CONTACT_ID"
#define	ALMRCV_CONFIG   "alarmreceiver.conf"
Typedefs
typedef event_node	event_node_t
Functions
int	alarmreceiver_exec (struct ast_channel *chan, void *data)
void	database_increment (char *key)
char *	description (void)
	Provides a description of the module.
char *	key ()
	Returns the ASTERISK_GPL_KEY.
int	load_config (void)
int	load_module (void)
	Initialize the module.
int	log_events (struct ast_channel *chan, char *signalling_type, event_node_t *event)
void	make_tone_burst (unsigned char *data, float freq, float loudness, int len, int *x)
int	receive_ademco_contact_id (struct ast_channel *chan, void *data, int fdto, int sdto, int tldn, event_node_t **ehead)
int	receive_dtmf_digits (struct ast_channel *chan, char *digit_string, int length, int fdto, int sdto)
int	send_tone_burst (struct ast_channel *chan, float freq, int duration, int tldn)
int	unload_module (void)
	Cleanup all module structures, sockets, etc.
int	usecount (void)
	Provides a usecount.
int	write_event (FILE *logfile, event_node_t *event)
int	write_metadata (FILE *logfile, char *signalling_type, struct ast_channel *chan)
Variables
char *	app = "AlarmReceiver"
char	db_family [128] = {'\0'}
char *	descrip
char	event_app [128] = {'\0'}
char	event_file [14] = "/event-XXXXXX"
char	event_spool_dir [128] = {'\0'}
int	fdtimeout = 2000
	LOCAL_USER_DECL
int	log_individual_events = 0
int	sdtimeout = 200
	STANDARD_LOCAL_USER
char *	synopsis = "Provide support for receving alarm reports from a burglar or fire alarm panel"
char *	tdesc = "Alarm Receiver for Asterisk"
char	time_stamp_format [128] = {"%a %b %d, %Y @ %H:%M:%S %Z"}
int	toneloudness = 4096

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Detailed Description

Central Station Alarm receiver for Ademco Contact ID.

Author:

Steve Rodgers <hwstar@rodgers.sdcoxmail.com>

*** WARNING *** WARNING *** WARNING *** WARNING *** WARNING *** WARNING *** WARNING *** WARNING ***

Use at your own risk. Please consult the GNU GPL license document included with Asterisk details. *

*** WARNING *** WARNING *** WARNING *** WARNING *** WARNING *** WARNING *** WARNING *** WARNING ***

Definition in file app_alarmreceiver.c.

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Define Documentation

#define ADEMCO_CONTACT_ID   "ADEMCO_CONTACT_ID"

Definition at line 61 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), and receive_ademco_contact_id().

#define ALMRCV_CONFIG   "alarmreceiver.conf"

Definition at line 60 of file app_alarmreceiver.c. Referenced by load_config().

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Typedef Documentation

typedef struct event_node event_node_t

Definition at line 68 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), log_events(), and receive_ademco_contact_id().

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Function Documentation

int alarmreceiver_exec (  struct ast_channel *  chan, void *  data )  [static]

Definition at line 640 of file app_alarmreceiver.c. References ast_channel::_state, ADEMCO_CONTACT_ID, ast_answer(), AST_FORMAT_ULAW, ast_log(), ast_safe_sleep(), ast_safe_system(), ast_set_read_format(), ast_set_write_format(), ast_strlen_zero(), ast_verbose(), event_app, event_node_t, fdtimeout, free, LOCAL_USER_ADD, LOCAL_USER_REMOVE, LOG_DEBUG, log_events(), log_individual_events, LOG_WARNING, ast_channel::name, event_node::next, option_verbose, receive_ademco_contact_id(), sdtimeout, toneloudness, and VERBOSE_PREFIX_4. Referenced by load_module(). { int res = 0; struct localuser *u; event_node_t *elp, *efree; char signalling_type[64] = ""; event_node_t *event_head = NULL; LOCAL_USER_ADD(u); /* Set write and read formats to ULAW */ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Setting read and write formats to ULAW\n"); if (ast_set_write_format(chan,AST_FORMAT_ULAW)){ ast_log(LOG_WARNING, "AlarmReceiver: Unable to set write format to Mu-law on %s\n",chan->name); LOCAL_USER_REMOVE(u); return -1; } if (ast_set_read_format(chan,AST_FORMAT_ULAW)){ ast_log(LOG_WARNING, "AlarmReceiver: Unable to set read format to Mu-law on %s\n",chan->name); LOCAL_USER_REMOVE(u); return -1; } /* Set default values for this invokation of the application */ ast_copy_string(signalling_type, ADEMCO_CONTACT_ID, sizeof(signalling_type)); /* Answer the channel if it is not already */ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Answering channel\n"); if (chan->_state != AST_STATE_UP) { res = ast_answer(chan); if (res) { LOCAL_USER_REMOVE(u); return -1; } } /* Wait for the connection to settle post-answer */ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Waiting for connection to stabilize\n"); res = ast_safe_sleep(chan, 1250); /* Attempt to receive the events */ if(!res){ /* Determine the protocol to receive in advance */ /* Note: Ademco contact is the only one supported at this time */ /* Others may be added later */ if(!strcmp(signalling_type, ADEMCO_CONTACT_ID)) receive_ademco_contact_id(chan, data, fdtimeout, sdtimeout, toneloudness, &event_head); else res = -1; } /* Events queued by receiver, write them all out here if so configured */ if((!res) && (log_individual_events == 0)){ res = log_events(chan, signalling_type, event_head); } /* * Do we exec a command line at the end? */ if((!res) && (!ast_strlen_zero(event_app)) && (event_head)){ ast_log(LOG_DEBUG,"Alarmreceiver: executing: %s\n", event_app); ast_safe_system(event_app); } /* * Free up the data allocated in our linked list */ for(elp = event_head; (elp != NULL);){ efree = elp; elp = elp->next; free(efree); } LOCAL_USER_REMOVE(u); return 0; }

void database_increment (  char *  key  )  [static]

Definition at line 117 of file app_alarmreceiver.c. References ast_db_get(), ast_db_put(), ast_strlen_zero(), ast_verbose(), db_family, key(), option_verbose, and VERBOSE_PREFIX_4. Referenced by receive_ademco_contact_id(). { int res = 0; unsigned v; char value[16]; if (ast_strlen_zero(db_family)) return; /* If not defined, don't do anything */ res = ast_db_get(db_family, key, value, sizeof(value) - 1); if(res){ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Creating database entry %s and setting to 1\n", key); /* Guess we have to create it */ res = ast_db_put(db_family, key, "1"); return; } sscanf(value, "%u", &v); v++; if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: New value for %s: %u\n", key, v); snprintf(value, sizeof(value), "%u", v); res = ast_db_put(db_family, key, value); if((res)&&(option_verbose >= 4)) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: database_increment write error"); return; }

char* description (  void   )

Provides a description of the module. Returns: a short description of your module Definition at line 852 of file app_alarmreceiver.c. { return tdesc; }

char* key (  void   )

Returns the ASTERISK_GPL_KEY. This returns the ASTERISK_GPL_KEY, signifiying that you agree to the terms of the GPL stated in the ASTERISK_GPL_KEY. Your module will not load if it does not return the EXACT message: char *key(void) { return ASTERISK_GPL_KEY; } Returns: ASTERISK_GPL_KEY Definition at line 864 of file app_alarmreceiver.c. { return ASTERISK_GPL_KEY; }

int load_config (  void   )  [static]

Definition at line 747 of file app_alarmreceiver.c. References ALMRCV_CONFIG, ast_config_destroy(), ast_config_load(), ast_true(), ast_variable_retrieve(), ast_verbose(), cfg, db_family, event_app, event_spool_dir, fdtimeout, log_individual_events, option_verbose, sdtimeout, time_stamp_format, toneloudness, and VERBOSE_PREFIX_4. { struct ast_config *cfg; char *p; /* Read in the config file */ cfg = ast_config_load(ALMRCV_CONFIG); if(!cfg){ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: No config file\n"); } else{ p = ast_variable_retrieve(cfg, "general", "eventcmd"); if(p){ ast_copy_string(event_app, p, sizeof(event_app)); event_app[sizeof(event_app) - 1] = '\0'; } p = ast_variable_retrieve(cfg, "general", "loudness"); if(p){ toneloudness = atoi(p); if(toneloudness < 100) toneloudness = 100; if(toneloudness > 8192) toneloudness = 8192; } p = ast_variable_retrieve(cfg, "general", "fdtimeout"); if(p){ fdtimeout = atoi(p); if(fdtimeout < 1000) fdtimeout = 1000; if(fdtimeout > 10000) fdtimeout = 10000; } p = ast_variable_retrieve(cfg, "general", "sdtimeout"); if(p){ sdtimeout = atoi(p); if(sdtimeout < 110) sdtimeout = 110; if(sdtimeout > 4000) sdtimeout = 4000; } p = ast_variable_retrieve(cfg, "general", "logindividualevents"); if(p){ log_individual_events = ast_true(p); } p = ast_variable_retrieve(cfg, "general", "eventspooldir"); if(p){ ast_copy_string(event_spool_dir, p, sizeof(event_spool_dir)); event_spool_dir[sizeof(event_spool_dir) - 1] = '\0'; } p = ast_variable_retrieve(cfg, "general", "timestampformat"); if(p){ ast_copy_string(time_stamp_format, p, sizeof(time_stamp_format)); time_stamp_format[sizeof(time_stamp_format) - 1] = '\0'; } p = ast_variable_retrieve(cfg, "general", "db-family"); if(p){ ast_copy_string(db_family, p, sizeof(db_family)); db_family[sizeof(db_family) - 1] = '\0'; } ast_config_destroy(cfg); } return 0; }

int load_module (  void   )

Initialize the module. Initialize the Agents module. This function is being called by Asterisk when loading the module. Among other thing it registers applications, cli commands and reads the cofiguration file. Returns: int Always 0. Definition at line 846 of file app_alarmreceiver.c. References alarmreceiver_exec(), app, ast_register_application(), descrip, load_config(), and synopsis. { load_config(); return ast_register_application(app, alarmreceiver_exec, synopsis, descrip); }

int log_events (  struct ast_channel *  chan, char *  signalling_type, event_node_t *  event )  [static]

Definition at line 390 of file app_alarmreceiver.c. References ast_log(), ast_strlen_zero(), ast_verbose(), event_file, event_node_t, event_spool_dir, LOG_DEBUG, event_node::next, VERBOSE_PREFIX_4, write_event(), and write_metadata(). Referenced by alarmreceiver_exec(), and receive_ademco_contact_id(). { int res = 0; char workstring[sizeof(event_spool_dir)+sizeof(event_file)] = ""; int fd; FILE *logfile; event_node_t *elp = event; if (!ast_strlen_zero(event_spool_dir)) { /* Make a template */ ast_copy_string(workstring, event_spool_dir, sizeof(workstring)); strncat(workstring, event_file, sizeof(workstring) - strlen(workstring) - 1); /* Make the temporary file */ fd = mkstemp(workstring); if(fd == -1){ ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: can't make temporary file\n"); ast_log(LOG_DEBUG,"AlarmReceiver: can't make temporary file\n"); res = -1; } if(!res){ logfile = fdopen(fd, "w"); if(logfile){ /* Write the file */ res = write_metadata(logfile, signalling_type, chan); if(!res) while((!res) && (elp != NULL)){ res = write_event(logfile, elp); elp = elp->next; } if(!res){ if(fflush(logfile) == EOF) res = -1; if(!res){ if(fclose(logfile) == EOF) res = -1; } } } else res = -1; } } return res; }

void make_tone_burst (  unsigned char *  data, float  freq, float  loudness, int  len, int *  x )  [static]

Definition at line 158 of file app_alarmreceiver.c. References AST_LIN2MU, and val. Referenced by send_tone_burst(). { int i; float val; for(i = 0; i < len; i++){ val = loudness * sin((freq * 2.0 * M_PI * (*x)++)/8000.0); data[i] = AST_LIN2MU((int)val); } /* wrap back around from 8000 */ if (*x >= 8000) *x = 0; return; }

int receive_ademco_contact_id (  struct ast_channel *  chan, void *  data, int  fdto, int  sdto, int  tldn, event_node_t **  ehead )  [static]

Definition at line 449 of file app_alarmreceiver.c. References ADEMCO_CONTACT_ID, ast_log(), ast_safe_sleep(), ast_strlen_zero(), ast_verbose(), event_node::data, database_increment(), event_node_t, LOG_DEBUG, log_events(), LOG_WARNING, malloc, event_node::next, option_verbose, receive_dtmf_digits(), send_tone_burst(), VERBOSE_PREFIX_1, VERBOSE_PREFIX_2, and VERBOSE_PREFIX_4. Referenced by alarmreceiver_exec(). { int i,j; int res = 0; int checksum; char event[17]; event_node_t *enew, *elp; int got_some_digits = 0; int events_received = 0; int ack_retries = 0; static char digit_map[15] = "0123456789*#ABC"; static unsigned char digit_weights[15] = {10,1,2,3,4,5,6,7,8,9,11,12,13,14,15}; database_increment("calls-received"); /* Wait for first event */ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Waiting for first event from panel\n"); while(res >= 0){ if(got_some_digits == 0){ /* Send ACK tone sequence */ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Sending 1400Hz 100ms burst (ACK)\n"); res = send_tone_burst(chan, 1400.0, 100, tldn); if(!res) res = ast_safe_sleep(chan, 100); if(!res){ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Sending 2300Hz 100ms burst (ACK)\n"); res = send_tone_burst(chan, 2300.0, 100, tldn); } } if( res >= 0) res = receive_dtmf_digits(chan, event, sizeof(event) - 1, fdto, sdto); if (res < 0){ if(events_received == 0) /* Hangup with no events received should be logged in the DB */ database_increment("no-events-received"); else{ if(ack_retries){ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_2 "AlarmReceiver: ACK retries during this call: %d\n", ack_retries); database_increment("ack-retries"); } } if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: App exiting...\n"); res = -1; break; } if(res != 0){ /* Didn't get all of the digits */ if(option_verbose >= 2) ast_verbose(VERBOSE_PREFIX_2 "AlarmReceiver: Incomplete string: %s, trying again...\n", event); if(!got_some_digits){ got_some_digits = (!ast_strlen_zero(event)) ? 1 : 0; ack_retries++; } continue; } got_some_digits = 1; if(option_verbose >= 2) ast_verbose(VERBOSE_PREFIX_2 "AlarmReceiver: Received Event %s\n", event); ast_log(LOG_DEBUG, "AlarmReceiver: Received event: %s\n", event); /* Calculate checksum */ for(j = 0, checksum = 0; j < 16; j++){ for(i = 0 ; i < sizeof(digit_map) ; i++){ if(digit_map[i] == event[j]) break; } if(i == 16) break; checksum += digit_weights[i]; } if(i == 16){ if(option_verbose >= 2) ast_verbose(VERBOSE_PREFIX_2 "AlarmReceiver: Bad DTMF character %c, trying again\n", event[j]); continue; /* Bad character */ } /* Checksum is mod(15) of the total */ checksum = checksum % 15; if(checksum){ database_increment("checksum-errors"); if(option_verbose >= 2){ ast_verbose(VERBOSE_PREFIX_2 "AlarmReceiver: Nonzero checksum\n"); ast_log(LOG_DEBUG, "AlarmReceiver: Nonzero checksum\n"); continue; } } /* Check the message type for correctness */ if(strncmp(event + 4, "18", 2)){ if(strncmp(event + 4, "98", 2)){ database_increment("format-errors"); if(option_verbose >= 2) ast_verbose(VERBOSE_PREFIX_2 "AlarmReceiver: Wrong message type\n"); ast_log(LOG_DEBUG, "AlarmReceiver: Wrong message type\n"); continue; } } events_received++; /* Queue the Event */ if((enew = malloc(sizeof(event_node_t))) == NULL){ if(option_verbose >= 1) ast_verbose(VERBOSE_PREFIX_1 "AlarmReceiver: Failed to allocate memory\n"); ast_log(LOG_WARNING, "AlarmReceiver Failed to allocate memory\n"); res = -1; break; } memset(enew, 0, sizeof(event_node_t)); enew->next = NULL; ast_copy_string(enew->data, event, sizeof(enew->data)); /* * Insert event onto end of list */ if(*ehead == NULL){ *ehead = enew; } else{ for(elp = *ehead; elp->next != NULL; elp = elp->next) ; elp->next = enew; } if(res > 0) res = 0; /* Let the user have the option of logging the single event before sending the kissoff tone */ if((res == 0) && (log_individual_events)) res = log_events(chan, ADEMCO_CONTACT_ID, enew); /* Wait 200 msec before sending kissoff */ if(res == 0) res = ast_safe_sleep(chan, 200); /* Send the kissoff tone */ if(res == 0) res = send_tone_burst(chan, 1400.0, 900, tldn); } return res; }

int receive_dtmf_digits (  struct ast_channel *  chan, char *  digit_string, int  length, int  fdto, int  sdto )  [static]

Definition at line 245 of file app_alarmreceiver.c. References ast_frfree(), ast_log(), ast_read(), ast_verbose(), ast_waitfor(), ast_frame::frametype, LOG_DEBUG, ast_channel::name, option_verbose, ast_frame::subclass, and VERBOSE_PREFIX_4. Referenced by receive_ademco_contact_id(). { int res = 0; int i = 0; int r; struct ast_frame *f; struct timeval lastdigittime; lastdigittime = ast_tvnow(); for(;;){ /* if outa time, leave */ if (ast_tvdiff_ms(ast_tvnow(), lastdigittime) > ((i > 0) ? sdto : fdto)){ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: DTMF Digit Timeout on %s\n", chan->name); ast_log(LOG_DEBUG,"AlarmReceiver: DTMF timeout on chan %s\n",chan->name); res = 1; break; } if ((r = ast_waitfor(chan, -1) < 0)) { ast_log(LOG_DEBUG, "Waitfor returned %d\n", r); continue; } f = ast_read(chan); if (f == NULL){ res = -1; break; } /* If they hung up, leave */ if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP)){ ast_frfree(f); res = -1; break; } /* if not DTMF, just do it again */ if (f->frametype != AST_FRAME_DTMF){ ast_frfree(f); continue; } digit_string[i++] = f->subclass; /* save digit */ ast_frfree(f); /* If we have all the digits we expect, leave */ if(i >= length) break; lastdigittime = ast_tvnow(); } digit_string[i] = '\0'; /* Nul terminate the end of the digit string */ return res; }

int send_tone_burst (  struct ast_channel *  chan, float  freq, int  duration, int  tldn )  [static]

Definition at line 179 of file app_alarmreceiver.c. References ast_frfree(), ast_log(), ast_read(), ast_verbose(), ast_waitfor(), ast_write(), ast_frame::data, ast_frame::datalen, ast_frame::frametype, LOG_WARNING, make_tone_burst(), ast_frame::mallocd, ast_channel::name, ast_frame::offset, option_verbose, ast_frame::samples, ast_frame::subclass, and VERBOSE_PREFIX_4. Referenced by receive_ademco_contact_id(). { int res = 0; int i = 0; int x = 0; struct ast_frame *f, wf; struct { unsigned char offset[AST_FRIENDLY_OFFSET]; unsigned char buf[640]; } tone_block; for(;;) { if (ast_waitfor(chan, -1) < 0){ res = -1; break; } f = ast_read(chan); if (!f){ res = -1; break; } if (f->frametype == AST_FRAME_VOICE) { wf.frametype = AST_FRAME_VOICE; wf.subclass = AST_FORMAT_ULAW; wf.offset = AST_FRIENDLY_OFFSET; wf.mallocd = 0; wf.data = tone_block.buf; wf.datalen = f->datalen; wf.samples = wf.datalen; make_tone_burst(tone_block.buf, freq, (float) tldn, wf.datalen, &x); i += wf.datalen / 8; if (i > duration) { break; } if (ast_write(chan, &wf)){ if(option_verbose >= 4) ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: Failed to write frame on %s\n", chan->name); ast_log(LOG_WARNING, "AlarmReceiver Failed to write frame on %s\n",chan->name); res = -1; break; } } ast_frfree(f); } return res; }

int unload_module (  void   )

Cleanup all module structures, sockets, etc. This is called at exit. Any registrations and memory allocations need to be unregistered and free'd here. Nothing else will do these for you (until exit). Returns: Zero on success, or non-zero on error. Definition at line 835 of file app_alarmreceiver.c. References app, and ast_unregister_application(). { int res; res = ast_unregister_application(app); STANDARD_HANGUP_LOCALUSERS; return res; }

int usecount (  void   )

Provides a usecount. This function will be called by various parts of asterisk. Basically, all it has to do is to return a usecount when called. You will need to maintain your usecount within the module somewhere. The usecount should be how many channels provided by this module are in use. Returns: The module's usecount. Definition at line 857 of file app_alarmreceiver.c. References STANDARD_USECOUNT. { int res; STANDARD_USECOUNT(res); return res; }

int write_event (  FILE *  logfile, event_node_t *  event )  [static]

Definition at line 374 of file app_alarmreceiver.c. References event_node::data. Referenced by log_events(). { int res = 0; if( fprintf(logfile, "%s\n", event->data) < 0) res = -1; return res; }

int write_metadata (  FILE *  logfile, char *  signalling_type, struct ast_channel *  chan )  [static]

Definition at line 313 of file app_alarmreceiver.c. References ast_callerid_parse(), ast_localtime(), ast_log(), ast_shrink_phone_number(), ast_verbose(), ast_channel::cid, ast_callerid::cid_num, LOG_DEBUG, time_stamp_format, and VERBOSE_PREFIX_4. Referenced by log_events(). { int res = 0; time_t t; struct tm now; char *cl,*cn; char workstring[80]; char timestamp[80]; /* Extract the caller ID location */ if (chan->cid.cid_num) ast_copy_string(workstring, chan->cid.cid_num, sizeof(workstring)); workstring[sizeof(workstring) - 1] = '\0'; ast_callerid_parse(workstring, &cn, &cl); if (cl) ast_shrink_phone_number(cl); /* Get the current time */ time(&t); ast_localtime(&t, &now, NULL); /* Format the time */ strftime(timestamp, sizeof(timestamp), time_stamp_format, &now); res = fprintf(logfile, "\n\n[metadata]\n\n"); if(res >= 0) res = fprintf(logfile, "PROTOCOL=%s\n", signalling_type); if(res >= 0) res = fprintf(logfile, "CALLINGFROM=%s\n", (!cl) ? "<unknown>" : cl); if(res >- 0) res = fprintf(logfile, "CALLERNAME=%s\n", (!cn) ? "<unknown>" : cn); if(res >= 0) res = fprintf(logfile, "TIMESTAMP=%s\n\n", timestamp); if(res >= 0) res = fprintf(logfile, "[events]\n\n"); if(res < 0){ ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: can't write metadata\n"); ast_log(LOG_DEBUG,"AlarmReceiver: can't write metadata\n"); } else res = 0; return res; }

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Variable Documentation

char* app = "AlarmReceiver" [static]

Definition at line 72 of file app_alarmreceiver.c. Referenced by load_module(), and unload_module().

char db_family[128] = {'\0'} [static]

Definition at line 94 of file app_alarmreceiver.c. Referenced by database_increment(), and load_config().

char* descrip [static]

Definition at line 75 of file app_alarmreceiver.c. Referenced by load_module().

char event_app[128] = {'\0'} [static]

Definition at line 93 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), and load_config().

char event_file[14] = "/event-XXXXXX" [static]

Definition at line 101 of file app_alarmreceiver.c. Referenced by log_events().

char event_spool_dir[128] = {'\0'} [static]

Definition at line 92 of file app_alarmreceiver.c. Referenced by load_config(), and log_events().

int fdtimeout = 2000 [static]

Definition at line 88 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), and load_config().

LOCAL_USER_DECL

Definition at line 107 of file app_alarmreceiver.c.

int log_individual_events = 0 [static]

Definition at line 91 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), and load_config().

int sdtimeout = 200 [static]

Definition at line 89 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), and load_config().

STANDARD_LOCAL_USER

Definition at line 105 of file app_alarmreceiver.c.

char* synopsis = "Provide support for receving alarm reports from a burglar or fire alarm panel" [static]

Definition at line 74 of file app_alarmreceiver.c. Referenced by load_module().

char* tdesc = "Alarm Receiver for Asterisk" [static]

Definition at line 70 of file app_alarmreceiver.c.

char time_stamp_format[128] = {"%a %b %d, %Y @ %H:%M:%S %Z"} [static]

Definition at line 95 of file app_alarmreceiver.c. Referenced by load_config(), and write_metadata().

int toneloudness = 4096 [static]

Definition at line 90 of file app_alarmreceiver.c. Referenced by alarmreceiver_exec(), and load_config().

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