static void tune_in(void) {
int selfd;
//logmsg("[%s: tune_in(...)] *** ENTER ***", __FILE__);
init_signals();
//logmsg("[%s: tune_in(...)] Signals initialized", __FILE__);
//lock_ourselves();
init_regexps();
//logmsg("[%s: tune_in(...)] Regexps initialized", __FILE__);
// BEGIN HERE
if (fifo_exists(ZTEBLADEFM_PIPE_CMD)) {
int rv = mkfifo(ZTEBLADEFM_PIPE_CMD, 0666);
if (rv < 0) {
// handle condition here..
panic("[%s:tune_in(...) @ %d] - Could not mkfifo %s.", __FILE__, __LINE__, ZTEBLADEFM_PIPE_CMD);
}
}
if (fifo_exists(ZTEBLADEFM_PIPE_STATUS)) {
int rv = mkfifo(ZTEBLADEFM_PIPE_STATUS, 0666);
if (rv < 0) {
// handle condition here..
panic("[%s:tune_in(...) @ %d] - Could not mkfifo %s.", __FILE__, __LINE__, ZTEBLADEFM_PIPE_STATUS);
}
}
#if __t0mm13b_defiant__
int rv = mkfifo(ZTEBLADEFM_PIPE_CMD, 0666);
if (rv < 0) {
// handle condition here..
panic("[%s:tune_in(...) @ %d] - Could not mkfifo %s.", __FILE__, __LINE__, ZTEBLADEFM_PIPE_CMD);
}
rv = mkfifo(ZTEBLADEFM_PIPE_STATUS, 0666);
if (rv < 0) {
// handle condition here..
panic("[%s:tune_in(...) @ %d] - Could not mkfifo %s.", __FILE__, __LINE__, ZTEBLADEFM_PIPE_STATUS);
}
#else
g_rdfmdev = open(FM_DEV, O_RDONLY);
#endif
//
init_open_statuspipe();
init_open_commandpipe();
// logic routine from here ... http://stackoverflow.com/questions/1735781/non-blocking-pipe-using-popen
while (g_keepRunning) {
selfd = select(FD_SETSIZE, &g_fdset_r, (fd_set*)0, (fd_set*)0,NULL);
if (selfd < 0) panic("Could not select...");
if (selfd > 0) {
check_select();
}
}
if (g_fprdcmdpipe != NULL) fclose(g_fprdcmdpipe);
if (g_fpwrstatpipe != NULL) fclose(g_fpwrstatpipe);
#ifdef __t0mm13b_defiant__
;
#else
close(g_rdfmdev);
#endif
cleanup_regexps();
// END HERE
}
/*
* Parse the string in 'line' using the CSV format from the problem spec.
* Assumes 'line' is a proper C string ('\0' terminated).
*
* Returns true iff the string is sytactically correct.
*/
int parse_line(char line[]) {
int nmatches = 0 ; // assume no matches.
init_regexps() ;
if( regexec(&parse_5, line, MAX_MATCHES, matches, 0) == 0 ) {
nmatches = 5 ;
} else if( regexec(&parse_4, line, MAX_MATCHES, matches, 0) == 0 ) {
nmatches = 4 ;
}
if( nmatches != 0) {
last_reading.room_id = get_int_field(line, matches[1]) ;
last_reading.event.sensor = get_int_field(line, matches[2]) ;
get_time_string_field(last_reading.event.time_stamp,
line, matches[3]) ;
last_reading.event.event_id = get_int_field(line, matches[4]) ;
last_reading.event.event_info =
(nmatches == 5) ? get_int_field(line, matches[5]) : -1 ;
}
return nmatches != 0;
}
