/*ARGSUSED*/
void
player_login(void *ud)
{
time_t deadline;
char buf[128];
char space[128];
int res, ac, cmd, prev_state;
player->proc = empth_self();
pr_id(player, C_INIT, "Empire server ready\n");
for (;;) {
deadline = player_io_deadline(player, 0);
if (io_outputwaiting(player->iop)) {
if (io_output(player->iop, deadline) <= 0)
break;
continue;
}
if (io_gets(player->iop, buf, sizeof(buf)) < 0) {
res = io_input(player->iop, deadline);
if (res <= 0)
break;
continue;
}
journal_input(buf);
ac = parse(buf, space, player->argp, NULL, NULL, NULL);
if (ac <= 0) {
pr_id(player, C_BADCMD, "Can't parse command\n");
continue;
}
cmd = comtch(player->argp[0], login_coms, 0);
if (cmd < 0) {
pr_id(player, C_BADCMD, "Command %s not found\n", player->argp[0]);
continue;
}
switch (login_coms[cmd].c_addr()) {
case RET_OK:
break;
case RET_FAIL:
break;
case RET_SYN:
pr_id(player, C_BADCMD, "Usage %s\n", login_coms[cmd].c_form);
break;
default:
break;
}
}
prev_state = player->state;
player->state = PS_SHUTDOWN;
if (prev_state == PS_PLAYING)
empth_rwlock_unlock(shutdown_lock);
pr_id(player, C_EXIT, "so long...\n");
player_delete(player);
empth_exit();
/*NOTREACHED*/
}
int io (
struct chip8 *chip8
) {
io_input (chip8);
io_output(chip8);
//Pause
SDL_Delay(1000/FREQ);
return 0;
}
/** \brief Check connection between chips
*
* \return true if the connection between chips is OK
*/
bool ksz8051_nandtree_check(void)
{
/* reset the controller and switch to nand tree mode */
io_output_low(MII_PIN_RST);
io_output_low(MII_PIN_INTRP);
// short delay
io_high(MII_PIN_RST);
// delay
/* prepare all pins to NAND tree test */
for (uint32_t i = 0; i < N; i++) {
io_output_high(nand_pins[i]);
}
io_input(MII_PIN_CRS);
// delay
/* process the NAND tree test on CRS (PA0) */
uint32_t nandtree = io_is_set(MII_PIN_CRS) ? 1 : 0;
for (uint32_t i = 0; i < N; i++, nandtree <<= 1) {
io_low(nand_pins[i]);
nandtree |= io_is_set(MII_PIN_CRS) ? 1 : 0;
// short delay
}
/* reset the controller and switch back to the normal mode */
io_low(MII_PIN_RST);
io_high(MII_PIN_INTRP);
io_af(MII_PIN_CRS, MII_AF);
for (uint32_t i = 0; i < N; i++) {
io_af(nand_pins[i], MII_AF);
}
// delay
io_high(MII_PIN_RST);
return (nandtree == 0b10101010101010101);
}
static int tcp_server_client_input(object_t parent, char *buffer, int size, int clear)
{
return io_input(parent, buffer, size, clear);
}
/*
* Receive a line of input from the current player.
* If the player's aborted flag is set, return -1 without receiving
* input.
* Else receive one line and store it in CMD[SIZE].
* This may block for input, yielding the processor. Flush buffered
* output when blocking, to make sure player sees the prompt.
* If the player's connection has the I/O error or EOF indicator set,
* or the line is "aborted", set the player's aborted flag and return
* -1.
* If we block and time out, set the EOF indicator on the player's
* connection, set the player's aborted flag, and return -1.
* If the line is "ctld", set the player's eof and aborted flag and
* return -1.
* Else return the length of the line.
* Design bug: there is no way to indicate truncation of a long line.
*/
int
recvclient(char *cmd, int size)
{
int count, res;
time_t deadline;
count = -1;
while (!player->aborted) {
/* Try to get a line of input */
count = io_gets(player->iop, cmd, size);
if (count >= 0) {
/* got it */
if (strcmp(cmd, "ctld") == 0)
player->aborted = player->got_ctld = 1;
if (strcmp(cmd, "aborted") == 0)
player->aborted = 1;
journal_input(cmd);
break;
}
/*
* Flush all queued output before potentially sleeping in
* io_input(), to make sure player sees the prompt.
*/
deadline = player_io_deadline(player, 0);
while (io_output(player->iop, deadline) > 0)
;
/*
* Try to receive some input. Need to recompute deadline;
* command abortion during io_output() might have changed it.
*/
deadline = player_io_deadline(player, 0);
res = io_input(player->iop, deadline);
if (res > 0)
;
else if (res < 0)
player->aborted = 1;
else if (io_eof(player->iop))
player->aborted = 1;
else if (!player->aborted) {
pr_flash(player, "idle connection terminated\n");
io_set_eof(player->iop);
player->aborted = 1;
}
}
if (player->aborted) {
player->recvfail++;
if (player->recvfail > 255) {
/*
* Looks like the thread is stuck in a loop that fails to
* check errors; oops once, then slow it down drastically.
*/
CANT_HAPPEN(player->recvfail == 256);
empth_sleep(time(NULL) + 60);
}
return -1;
}
player->recvfail = 0;
return count;
}
