int main(int argc, char **argv)
{
close_fds();
daemon(0, 0);
open_log_file();
get_lock();
create_pipe();
int serial_fd = open_serial_port();
write (serial_fd, "$$$ALL,OFF\r", 11);
usleep(200000);
write (serial_fd, "$$$SPEED80\r", 11);
//printf("STARTED - awaiting connections\n");
int listen_fd = listen_network();
char msg[256];
int msg_len;
while (1)
{
msg_len = get_msg(listen_fd, msg, sizeof(msg) - 1);
msg[msg_len] = '\0';
//printf("Msg:|%s|\n", msg);
int batch;
char *ptr = msg;
while(msg_len)
{
batch = (msg_len > MAX_BATCH_SIZE ? MAX_BATCH_SIZE : msg_len);
char c;
int i, led_width = 0;
for (i = 0; i < batch; i++)
{
c = *(ptr + i);
if (c == 10) {
led_width += 4;
*(ptr + i) = ' ';
}
else if (c < 32)
led_width += 0;
else if (c > 128)
led_width += 0;
else if (c == 128) // Big empty square.
led_width += 8;
else if (c == 176) // temp symbol.
led_width += 2;
else if (strchr("ABCDEFGHKLMNOPQRSTUVWXYZmvwxz", c))
led_width += 6;
else if (strchr("abcdefghknopqrsuyJ<>", c))
led_width += 5;
else if (strchr(" 1I\"()jt[]`", c))
led_width += 4;
else if (strchr(",.:;", c))
led_width += 3;
else if (strchr("!il'", c))
led_width += 2;
else {
led_width += 6;
}
}
write(serial_fd, ptr, batch);
msg_len -= batch;
ptr += batch;
assert(msg_len >= 0);
assert(ptr <= msg + sizeof(msg));
usleep(LED_HOLD_TIME * led_width);
}
}
// Pause the scroll.
//write(serial_fd, "$$$", 3);
//write(serial_fd, "\r\r", 2);
exit(0);
}
int main(int argc, char *argv[])
{
/* getopt */
int next_option;
int ret;
int will_block = 0;
/*! short options. See man getopt */
const char *const short_options = "hc:l:L:b:f:xp:s:";
/*! the array for the long options. */
const struct option long_options[] = {
{"help", 0, NULL, 'h'},
{"config", 1, NULL, 'c'},
{"logfile", 1, NULL, 'L'},
{"background", 1, NULL, 'b'},
{"foreground", 1, NULL, 'f'},
{"logo", 1, NULL, 'l'},
{"blocked", 0, NULL, 'x'},
{"port", 1, NULL, 'p'},
{"server", 1, NULL, 's'},
{NULL, 0, NULL, 0}
};
/* Initializing exit function */
if (atexit(f_atexit) != 0) {
fprintf(stderr, "failed to register f_atexit() exit function\n");
exit(EXIT_FAILURE);
}
if (signal(SIGINT, sig_ctrlc) == SIG_ERR) {
fprintf(stderr, "Warning - Could not set CTRL-C handler\n");
}
/* First, set defaults */
set_listen_port(PORT);
set_foreground(FOREGROUND_IMAGE);
set_logo(LOGO_IMAGE);
/* Second, read entries from default config file.
* They will eventually be replaced by command line settings. */
read_config_file(CONFIGFILE);
/* Then, overwrite with command line options... */
do {
next_option = getopt_long(argc, argv, short_options, long_options, NULL);
switch (next_option) {
case 'h': /* -h or --help */
print_usage();
exit(1);
case 'c':/* -c or --config */
/* Things like "mdclient -p 7000 -c /etc/mymedusa.conf"
* when port is set to a different value in /etc/mymedusa.conf
* may result in an unpredictable value for listen_port. Just don't do that. */
read_config_file(strdup(optarg));
break;
case 'p': /* -p or --port */
set_listen_port(strdup(optarg));
break;
case 'x': /* -x or --blocked */
will_block = 1;
break;
case 'b': /* -b or --background */
set_background(strdup(optarg));
break;
case 'l': /* -l or --logo */
set_logo(strdup(optarg));
break;
case 'f': /* -f or --foreground */
set_foreground(strdup(optarg));
break;
case 'L': /* -L or --logfile */
close_log();
open_log(strdup(optarg));
break;
case 's': /* -s or --server */
ret = set_server(strdup(optarg));
if (ret) {
/* error */
fflush(stderr);
fflush(stdout);
fprintf(stderr, "Server IP unknown.\n");
exit(1);
}
break;
case '?':/* The user specified an invalid option */
/* Write usage info on the screen */
print_usage();
exit(1);
case -1: /* No more options */
break;
default: /* Garbage */
abort();
}
} while (next_option != -1);
if (will_block) {
if (lockScreen() < 0) {
write_log_fmt("Could not open display.\n");
exit(EXIT_FAILURE);
}
}
write_log_fmt("Starting...\n");
listen_network();
close_log();
return 0;
}
