1 files changed, 104 insertions, 0 deletions
diff --git a/ui/daemon/ui.c b/ui/daemon/ui.c
new file mode 100644
index 0000000..3a4f5c2
--- /dev/null
+++ b/ui/daemon/ui.c
@@ -0,0 +1,104 @@
+volatile bool g_running;
+uint64_t g_step_block;
+
+void info_impl(const char *restrict fmt, ...) {
+    assert(fmt);
+
+    time_t t = time(NULL);
+    struct tm tm = *localtime(&t);
+    printf(
+        "\r%d-%02d-%02d %02d:%02d:%02d -- \033[1;34mINFO\033[0m ",
+        tm.tm_year + 1900,
+        tm.tm_mon + 1,
+        tm.tm_mday,
+        tm.tm_hour,
+        tm.tm_min,
+        tm.tm_sec
+    );
+
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+    va_end(args);
+
+    printf("\n");
+}
+
+void warn_impl(const char *restrict fmt, ...) {
+    assert(fmt);
+
+    time_t t = time(NULL);
+    struct tm tm = *localtime(&t);
+    printf(
+        "\r%d-%02d-%02d %02d:%02d:%02d -- \033[1;33mWARN\033[0m ",
+        tm.tm_year + 1900,
+        tm.tm_mon + 1,
+        tm.tm_mday,
+        tm.tm_hour,
+        tm.tm_min,
+        tm.tm_sec
+    );
+
+    va_list args;
+    va_start(args, fmt);
+    vprintf(fmt, args);
+    va_end(args);
+
+    printf("\n");
+}
+
+void sig_handler(int signo) {
+    (void)signo;
+
+    if (g_running) {
+        g_warn("Signal received, will stop simulator soon...");
+        g_running = false;
+    }
+}
+
+void step_block(void) {
+    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;
+    }
+
+    float secs = (float)(end - beg) / (float)CLOCKS_PER_SEC;
+    float steps_per_sec = (float)g_step_block / secs;
+
+    g_info("Simulator running on step %#lx @%.1f steps/s", g_steps, steps_per_sec);
+}
+
+int main(void) {
+    g_info = info_impl;
+    g_warn = warn_impl;
+
+#if defined(COMMAND_NEW)
+    salis_init();
+#elif defined(COMMAND_LOAD)
+    salis_load();
+#endif
+
+    g_running = true;
+    g_step_block = 1;
+
+    signal(SIGINT, sig_handler);
+    signal(SIGTERM, sig_handler);
+
+    while (g_running) {
+        step_block();
+    }
+
+    g_info("Saving simulation...");
+    salis_save(SIM_PATH);
+    salis_free();
+
+    g_info("Exiting salis...");
+    return 0;
+}