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// Project: Salis
// Author: Paul Oliver
// Email: contact@pauloliver.dev
/*
* Implements a minimal UI for the Salis simulator with minimal output and
* interruptible via OS signals. Ideal for running Salis in the background.
*/
#include <signal.h>
#include <unistd.h>
volatile bool g_running;
u64 g_step_block;
void sig_handler(int signo) {
switch (signo) {
case SIGINT:
case SIGTERM:
printf("signal received, stopping simulator...\n");
g_running = false;
break;
}
}
void step_block() {
clock_t beg = clock();
salis_step(g_step_block - (g_steps % g_step_block));
clock_t end = clock();
if ((end - beg) < (CLOCKS_PER_SEC * 4)) {
g_step_block <<= 1;
}
if ((end - beg) >= (CLOCKS_PER_SEC * 2) && g_step_block != 1) {
g_step_block >>= 1;
}
printf("simulator running on step '%#lx'\n", g_steps);
}
int main() {
#if ACTION == ACT_NEW
salis_init();
#elif ACTION == ACT_LOAD
salis_load();
#endif
g_running = true;
g_step_block = 1;
signal(SIGINT, sig_handler);
signal(SIGTERM, sig_handler);
while (g_running) {
step_block();
}
salis_save(SIM_PATH);
salis_free();
return 0;
}
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