void display_tick(uint8_t force)
{
static uint16_t count = 0;
static uint8_t state = 0;
if(count-- == 0){
count = 50;
lcd_gotoxy(19,3);
if(state)
lcd_putc('.');
else
lcd_putc(' ');
state = !state;
}
if(temperature.updated || force){
display_updatetemp();
}
if(cooler.updated || force){
display_putcoolerstate();
}
if(uptime.updated || force){
display_uptime();
}
if(priceline.updated || force){
display_priceline();
}
}
/**
* void run(int argc, char **argv)
*
* Starts the server, processes command line arguments, initiates all necessary
* functions and threads and enters infinite loop accepting user input.
*/
void run(int argc, char **argv) {
char user_input_buffer[250];
char addr_buffer[INET_ADDRSTRLEN] = {0};
char *buff;
struct in_addr tmp_addr;
int port;
int tmp_num;
/* Get start timestamp */
gettimeofday(&ts_start, NULL);
/* Init logger first */
if(argc >= 4) {
init_logger(argv[3]);
}
else {
init_logger(STRINGIFY(DEFAULT_LOGFILE));
}
/* Validate input */
if(argc >= 3) {
/* Validate ip address */
if(inet_pton(AF_INET, argv[1], (void *) &tmp_addr) <= 0 &&
!hostname_to_ip(argv[1], addr_buffer)) {
help();
raise_error("Error validating server adress.\n");
}
if(!addr_buffer[0]) {
strcpy(addr_buffer, argv[1]);
}
/* Validate port */
port = (int) strtoul(argv[2], NULL, 10);
if(port <= 0 || port >= 65536) {
help();
raise_error("Port number is out of range.\n");
}
if(port <= 1024 && port != 0) {
log_line("Trying to bind to a port number lower than 1024, this "
"might required administrator privileges.", LOG_ALWAYS);
}
/* Got log severity */
if(argc >= 5) {
log_level = (int) strtol(argv[4], NULL, 10);
}
sprintf(log_buffer,
"Setting logging level to %d",
log_level
);
log_line(log_buffer, LOG_ALWAYS);
/* Got verbose */
if(argc == 6) {
verbose_level = (int) strtol(argv[5], NULL, 10);
}
sprintf(log_buffer,
"Setting verbose level to %d",
verbose_level
);
log_line(log_buffer, LOG_ALWAYS);
}
else {
help();
raise_error("Invalid arguments.\n");
}
/* Initiate server */
init_server(addr_buffer, port);
/* Start watchdog */
pthread_mutex_init(&mtx_thr_watchdog, NULL);
pthread_mutex_lock(&mtx_thr_watchdog);
if(pthread_create(&thr_watchdog, NULL, start_watchdog, (void *) &mtx_thr_watchdog) != 0) {
raise_error("Error starting watchdog thread.");
}
/* Start receiver */
pthread_mutex_init(&mtx_thr_receiver, NULL);
pthread_mutex_lock(&mtx_thr_receiver);
if(pthread_create(&thr_receiver, NULL, start_receiving, (void *) &mtx_thr_receiver) != 0) {
raise_error("Error starting receiving thread.");
}
/* Start sender */
pthread_mutex_init(&mtx_thr_sender, NULL);
pthread_mutex_lock(&mtx_thr_sender);
if(pthread_create(&thr_sender, NULL, start_sending, (void *) &mtx_thr_sender) != 0) {
raise_error("Error starting sender thread.");
}
/* Initiate server command line loop */
while(1) {
printf("CMD: ");
if(fgets(user_input_buffer, 250, stdin) != NULL) {
/* Exit server with exit, shutdown, halt or close commands */
if( (strncmp(user_input_buffer, "exit", 4) == 0) ||
(strncmp(user_input_buffer, "shutdown", 8) == 0) ||
(strncmp(user_input_buffer, "halt", 4) == 0) ||
(strncmp(user_input_buffer, "close", 5) == 0)) {
_shutdown();
break;
}
/* Set number that will be rolled */
else if (strncmp(user_input_buffer, "force_roll", 10) == 0) {
/* Strip header */
if(strtok(user_input_buffer, " ") != NULL) {
buff = strtok(NULL, " ");
if(buff != NULL) {
/* Get number */
force_roll = (int) strtoul(buff, NULL, 10);
if(force_roll >= 1 && force_roll <= 6) {
sprintf(log_buffer,
"CMD: Forcing roll on all consequent rolls to %d",
force_roll
);
log_line(log_buffer, LOG_ALWAYS);
}
else {
log_line("CMD: Rolling will be random now.", LOG_ALWAYS);
}
}
}
}
/* Set log level */
else if(strncmp(user_input_buffer, "set_log", 7) == 0) {
if(strtok(user_input_buffer, " ") != NULL) {
buff = strtok(NULL, " ");
if(buff) {
tmp_num = (int) strtoul(buff, NULL, 10);
if(tmp_num >= LOG_NONE || tmp_num <= LOG_ALWAYS) {
log_level = tmp_num;
sprintf(log_buffer,
"CMD: Setting log level to %d",
log_level
);
log_line(log_buffer, LOG_ALWAYS);
}
}
}
}
/* Set log level */
else if(strncmp(user_input_buffer, "set_verbose", 11) == 0) {
if(strtok(user_input_buffer, " ") != NULL) {
buff = strtok(NULL, " ");
if(buff) {
tmp_num = (int) strtoul(buff, NULL, 10);
if(tmp_num >= LOG_NONE || tmp_num <= LOG_ALWAYS) {
verbose_level = tmp_num;
sprintf(log_buffer,
"CMD: Setting verbose level to %d",
verbose_level
);
log_line(log_buffer, LOG_ALWAYS);
}
}
}
}
/* Get server uptime */
else if(strncmp(user_input_buffer, "uptime", 6) == 0) {
display_uptime();
}
/* Get current number of clients (event timeouted) */
else if(strncmp(user_input_buffer, "playercount", 11) == 0) {
sprintf(log_buffer,
"Current number of clients (including timeouted) is %d",
client_num
);
log_line(log_buffer, LOG_ALWAYS);
}
/* Force sound on to all clients */
else if(strncmp(user_input_buffer, "sound_on", 8) == 0) {
broadcast_clients("FORCE_SOUND;1", 1);
strcpy(log_buffer, "Forcing sound ON to all clients!");
log_line(log_buffer, LOG_ALWAYS);
}
/* Force sound off to all clients */
else if(strncmp(user_input_buffer, "sound_off", 9) == 0) {
broadcast_clients("FORCE_SOUND;0", 1);
strcpy(log_buffer, "Forcing sound ON to all clients!");
log_line(log_buffer, LOG_ALWAYS);
}
}
}
}
/**
* void _shutdown()
*
* Shuts down server. Inform all clients with SERVER_SHUTDOWN (without waiting for ACK),
* frees all allocated memory, asks running threads to terminate and waits
* for them to finish.
*/
void _shutdown() {
char *msg = "CONN_CLOSE";
log_line("SERV: Caught shutdown command.", LOG_ALWAYS);
log_line("SERV: Informing clients server is going down.", LOG_ALWAYS);
/* Inform clients about shutdown */
broadcast_clients(msg, 0);
log_line("#### START Stats ####", LOG_ALWAYS);
/* Elapsed time */
display_uptime();
/* Sent bytes*/
sprintf(log_buffer,
"Sent bytes (raw): %u",
sent_bytes
);
log_line(log_buffer, LOG_ALWAYS);
/* Sent messages */
sprintf(log_buffer,
"Sent datagrams: %u",
sent_dgrams
);
log_line(log_buffer, LOG_ALWAYS);
/* Received bytes */
sprintf(log_buffer,
"Received bytes (raw): %u",
recv_bytes
);
log_line(log_buffer, LOG_ALWAYS);
/* Received messages */
sprintf(log_buffer,
"Received datagrams: %u",
recv_dgrams
);
log_line(log_buffer, LOG_ALWAYS);
/* Total number of connections */
sprintf(log_buffer,
"Total # of connections: %u",
num_connections
);
log_line(log_buffer, LOG_ALWAYS);
log_line("#### END Stats ####", LOG_ALWAYS);
/* Clear clients */
clear_all_clients();
/* Clear games */
clear_all_games();
log_line("SERV: Asking threads to terminate.", LOG_ALWAYS);
pthread_mutex_unlock(&mtx_thr_watchdog);
pthread_mutex_unlock(&mtx_thr_receiver);
pthread_mutex_unlock(&mtx_thr_sender);
/* Join threads */
pthread_join(thr_watchdog, NULL);
pthread_join(thr_receiver, NULL);
pthread_join(thr_sender, NULL);
stop_logger();
}
