static void timer_check()
{
struct timespec now;
if (!started)
return;
gettime(&now);
for (unsigned int i = 0; i < num_flows; i++) {
struct _flow *flow = &flows[i];
DEBUG_MSG(LOG_DEBUG, "processing timer_check() for flow %d",
flow->id);
if (!flow->settings.reporting_interval)
continue;
if (!time_is_after(&now, &flow->next_report_time))
continue;
/* On Other OSes than Linux or FreeBSD, tcp_info will contain all zeroes */
if (flow->fd != -1)
flow->statistics[INTERVAL].has_tcp_info =
get_tcp_info(flow,
&flow->statistics[INTERVAL].tcp_info)
? 0 : 1;
report_flow(flow, INTERVAL);
do {
time_add(&flow->next_report_time,
flow->settings.reporting_interval);
} while (time_is_after(&now, &flow->next_report_time));
}
DEBUG_MSG(LOG_DEBUG, "finished timer_check()");
}
static void timer_check()
{
struct timespec now;
if (!started)
return;
gettime(&now);
const struct list_node *node = fg_list_front(&flows);
while (node) {
struct flow *flow = node->data;
node = node->next;
DEBUG_MSG(LOG_DEBUG, "processing timer_check() for flow %d",
flow->id);
if (!flow->settings.reporting_interval)
continue;
if (!time_is_after(&now, &flow->next_report_time))
continue;
/* On Other OSes than Linux or FreeBSD, tcp_info will contain all zeroes */
if (flow->fd != -1)
flow->statistics[INTERVAL].has_tcp_info =
get_tcp_info(flow,
&flow->statistics[INTERVAL].tcp_info)
? 0 : 1;
report_flow(flow, INTERVAL);
do {
time_add(&flow->next_report_time,
flow->settings.reporting_interval);
} while (time_is_after(&now, &flow->next_report_time));
}
DEBUG_MSG(LOG_DEBUG, "finished timer_check()");
}
/*
* game_loop
* DESCRIPTION: Main event loop for the adventure game.
* INPUTS: none
* OUTPUTS: none
* RETURN VALUE: GAME_QUIT if the player quits, or GAME_WON if they have won
* SIDE EFFECTS: drives the display, etc.
*/
static game_condition_t
game_loop ()
{
/*
* Variables used to carry information between event loop ticks; see
* initialization below for explanations of purpose.
*/
struct timeval start_time, tick_time;
struct timeval cur_time; /* current time (during tick) */
cmd_t cmd; /* command issued by input control */
int32_t enter_room; /* player has changed rooms */
/* Record the starting time--assume success. */
(void)gettimeofday (&start_time, NULL);
/* Calculate the time at which the first event loop tick should occur. */
tick_time = start_time;
if ((tick_time.tv_usec += TICK_USEC) > 1000000) {
tick_time.tv_sec++;
tick_time.tv_usec -= 1000000;
}
/* The player has just entered the first room. */
enter_room = 1;
/* The main event loop. */
while (1) {
/*
* Update the screen, preparing the VGA palette and photo-drawing
* routines and drawing a new room photo first if the player has
* entered a new room, then showing the screen (and status bar,
* once you have it working).
*/
if (enter_room) {
/* Reset the view window to (0,0). */
game_info.map_x = game_info.map_y = 0;
set_view_window (game_info.map_x, game_info.map_y);
/* Discard any partially-typed command. */
reset_typed_command ();
/* Adjust colors and photo drawing for the current room photo. */
prep_room (game_info.where);
/* Draw the room (calls show. */
redraw_room ();
/* Only draw once on entry. */
enter_room = 0;
}
show_screen ();
//lock status_msg to prevent changes
(void)pthread_mutex_lock (&msg_lock);
room_t* curr_room = game_info.where; // This is the current room pointer
// Now call fill_status_bar with all the possible strings as params
fill_status_bar(room_name(curr_room), get_typed_command(), status_msg);
(void)pthread_mutex_unlock (&msg_lock); //unlock
// Calculate game time
display_time_on_tux (cur_time.tv_sec - start_time.tv_sec);
/*
* Wait for tick. The tick defines the basic timing of our
* event loop, and is the minimum amount of time between events.
*/
do {
if (gettimeofday (&cur_time, NULL) != 0) {
/* Panic! (should never happen) */
clear_mode_X ();
shutdown_input ();
perror ("gettimeofday");
exit (3);
}
} while (!time_is_after (&cur_time, &tick_time));
/*
* Advance the tick time. If we missed one or more ticks completely,
* i.e., if the current time is already after the time for the next
* tick, just skip the extra ticks and advance the clock to the one
* that we haven't missed.
*/
do {
if ((tick_time.tv_usec += TICK_USEC) > 1000000) {
tick_time.tv_sec++;
tick_time.tv_usec -= 1000000;
}
} while (time_is_after (&cur_time, &tick_time));
/*
* Handle asynchronous events. These events use real time rather
* than tick counts for timing, although the real time is rounded
* off to the nearest tick by definition.
*/
/* (none right now...) */
/*
* Handle synchronous events--in this case, only player commands.
* Note that typed commands that move objects may cause the room
* to be redrawn.
*/
cmd = get_command ();
switch (cmd) {
case CMD_UP: move_photo_down (); break;
case CMD_RIGHT: move_photo_left (); break;
case CMD_DOWN: move_photo_up (); break;
case CMD_LEFT: move_photo_right (); break;
case CMD_MOVE_LEFT:
enter_room = (TC_CHANGE_ROOM ==
try_to_move_left (&game_info.where));
break;
case CMD_ENTER:
enter_room = (TC_CHANGE_ROOM ==
try_to_enter (&game_info.where));
break;
case CMD_MOVE_RIGHT:
enter_room = (TC_CHANGE_ROOM ==
try_to_move_right (&game_info.where));
break;
case CMD_TYPED:
if (handle_typing ()) {
enter_room = 1;
}
break;
case CMD_QUIT: return GAME_QUIT;
default: break;
}
// Repeat the same thing for the tux
cmd = get_tux_command();
switch (cmd) {
case CMD_UP: move_photo_down (); break;
case CMD_RIGHT: move_photo_left (); break;
case CMD_DOWN: move_photo_up (); break;
case CMD_LEFT: move_photo_right (); break;
case CMD_MOVE_LEFT:
enter_room = (TC_CHANGE_ROOM ==
try_to_move_left (&game_info.where));
break;
case CMD_ENTER:
enter_room = (TC_CHANGE_ROOM ==
try_to_enter (&game_info.where));
break;
case CMD_MOVE_RIGHT:
enter_room = (TC_CHANGE_ROOM ==
try_to_move_right (&game_info.where));
break;
case CMD_QUIT: return GAME_QUIT;
default: break;
}
/* If player wins the game, their room becomes NULL. */
if (NULL == game_info.where) {
return GAME_WON;
}
} /* end of the main event loop */
}
static inline int flow_block_scheduled(struct timespec *now, struct _flow *flow)
{
return time_is_after(now, &flow->next_write_block_timestamp);
}
static inline int flow_in_delay(struct timespec *now, struct _flow *flow,
int direction)
{
return time_is_after(&flow->start_timestamp[direction], now);
}
/*
*tux_thread
* DESCRIPTION: Function executed by tux helper thread.
*
* INPUTS: none (ignored)
* OUTPUTS: none
* RETURN VALUE: NULL
* SIDE EFFECTS: get the command from the tux and do the corrosponding operations.
*/
static void*
tux_thread (void* ignore)
{
cmd_t cmd;
struct timeval start_time, tick_time;
struct timeval cur_time; /* current time (during tick) */
/* Record the starting time--assume success. */
(void)gettimeofday (&start_time, NULL);
/* Calculate the time at which the first event loop tick should occur. */
tick_time = start_time;
if ((tick_time.tv_usec += TICK_USEC) > 1000000) {
tick_time.tv_sec++;
tick_time.tv_usec -= 1000000;
}
while(1)
{
(void)pthread_mutex_lock (&cmd_lock);
cmd = get_tux_command ();
switch (cmd)
{
case CMD_UP: move_photo_down (); break;
case CMD_RIGHT: move_photo_left (); break;
case CMD_DOWN: move_photo_up (); break;
case CMD_LEFT: move_photo_right (); break;
case CMD_MOVE_LEFT:
enter_room = (TC_CHANGE_ROOM ==
try_to_move_left (&game_info.where));
break;
case CMD_ENTER:
enter_room = (TC_CHANGE_ROOM ==
try_to_enter (&game_info.where));
break;
case CMD_MOVE_RIGHT:
enter_room = (TC_CHANGE_ROOM ==
try_to_move_right (&game_info.where));
break;
case CMD_QUIT:
game = GAME_QUIT; break;
default: break;
}
(void)pthread_mutex_unlock (&cmd_lock);
/* If player wins the game, their room becomes NULL. */
if (NULL == game_info.where) {
game = GAME_WON;
}
/*
* Wait for tick. The tick defines the basic timing of our
* event loop, and is the minimum amount of time between events.
*/
do {
if (gettimeofday (&cur_time, NULL) != 0)
{
/* Panic! (should never happen) */
clear_mode_X ();
shutdown_input ();
perror ("gettimeofday");
exit (3);
}
} while (!time_is_after (&cur_time, &tick_time));
/*
* Advance the tick time. If we missed one or more ticks completely,
* i.e., if the current time is already after the time for the next
* tick, just skip the extra ticks and advance the clock to the one
* that we haven't missed.
*/
do {
if ((tick_time.tv_usec += TICK_USEC) > 1000000)
{
tick_time.tv_sec++;
tick_time.tv_usec -= 1000000;
}
} while (time_is_after (&cur_time, &tick_time));
}
return NULL;
}
