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
}
int fifo_has_reader(const char *path, int prepare)
{
int fd;
/*
** Check that fifo exists and is a fifo.
** If not, there can be no reader process.
*/
switch (fifo_exists(path, prepare))
{
case 0: return 0;
case -1: return -1;
}
/*
** Open the fifo for non-blocking write.
** If there is no reader process, open()
** will fail with errno == ENXIO.
*/
if ((fd = open(path, O_WRONLY | O_NONBLOCK)) == -1)
return (errno == ENXIO) ? 0 : -1;
if (close(fd) == -1)
return -1;
return 1;
}
/* Opens a file descriptor whcich could be a FIFO or just a file. On error returns -1*/
int fd_open (int type, void * data, int perms) {
int fd = 0;
if(type == _FD_FIFO) {
int key = fifo_exists(data);
if(key) {
return fd_find(type, key);
}
FIFO_allocator_size++;
if(FIFO_allocator_size == FIFO_allocator_end - FIFO_allocator - 1) {
return -1;
}
fd = FIFO_allocator_index++;
if(FIFO_allocator_index == FIFO_allocator_end - 1) {
FIFO_allocator_index = FIFO_allocator;
}
} else if(type == _FD_FILE) {
fd_allocator_size++;
if(fd_allocator_size == fd_allocator_end - fd_allocator - 1) {
return -1;
}
fd = fd_allocator_index++;
if(fd_allocator_index == fd_allocator_end - 1) {
fd_allocator_index = fd_allocator;
}
} else {
return -1;
}
return fd_open_with_index(fd, type, data, perms);
}
/*
* This function basically sets up the .port (for wireshark use)
*/
void infoInit(char *rpath, char *rname)
{
int fd, status;
sprintf(iconf.path, "%s/%s.%s", rpath, rname, "info");
iconf.updateinterval = 10; // set default update time to 10 sec
if (fifo_exists(iconf.path, 1))
{
verbose(2, "[infoInit]:: WARNING! existing FIFO %s removed .. creating a new one ", iconf.path);
remove(iconf.path);
if (iconf.threadid != 0)
pthread_cancel(iconf.id);
}
if ((fd = fifo_open(iconf.path, S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH, 1, &(iconf.id))) == -1)
{
error("[infoInit]:: unable to create socket .. %s", iconf.path);
return;
}
iconf.qtargets = list_create(NULL);
status = pthread_create(&(iconf.threadid), NULL, (void *)infoHandler, (void *)NULL);
if (status != 0)
error("Unable to create the info handler thread... ");
return;
}
