feat: add NTP; fix networking bugs/regressions

2026-07-29 16:32:18 +01:00
parent a288dee7df
commit d99dab45e5
26 changed files with 809 additions and 47 deletions
@@ -0,0 +1,81 @@
+/*
+ * main.cpp
+ * MontaukOS Network Time Protocol service
+ * Copyright (c) 2026 Daniel Hammer
+ */
+
+#include <montauk/config.h>
+#include <montauk/ntp.h>
+#include <montauk/string.h>
+#include <montauk/syscall.h>
+
+static constexpr uint64_t RETRY_INTERVAL_MS =
+    montauk::ntp::MIN_QUERY_INTERVAL_MS;
+static constexpr uint64_t SYNC_INTERVAL_MS = 60ULL * 60ULL * 1000ULL;
+static constexpr uint64_t CONFIG_POLL_MS = 5000;
+
+static void log(const char* message) {
+    montauk::print("ntp: ");
+    montauk::print(message);
+    montauk::print("\n");
+}
+
+static bool load_settings(char* server, int server_cap) {
+    auto cfg = montauk::config::load("ntp");
+    bool enabled = cfg.get_bool("ntp.enabled", true);
+    montauk::strncpy(server, cfg.get_string("ntp.server", "pool.ntp.org"),
+                     server_cap);
+    cfg.destroy();
+    if (!server[0])
+        montauk::strncpy(server, "pool.ntp.org", server_cap);
+    return enabled;
+}
+
+extern "C" void _start() {
+    log("service started");
+
+    char active_server[128] = {};
+    bool was_enabled = false;
+    uint64_t next_attempt = 0;
+
+    for (;;) {
+        char server[128];
+        bool enabled = load_settings(server, sizeof(server));
+        bool server_changed = !montauk::streq(server, active_server);
+        if (server_changed) {
+            montauk::strncpy(active_server, server, sizeof(active_server));
+            next_attempt = 0;
+        }
+
+        if (!enabled) {
+            was_enabled = false;
+            next_attempt = 0;
+            montauk::sleep_ms(CONFIG_POLL_MS);
+            continue;
+        }
+        if (!was_enabled) {
+            was_enabled = true;
+            next_attempt = 0;
+        }
+
+        uint64_t now = montauk::get_milliseconds();
+        if (next_attempt != 0 && now < next_attempt) {
+            montauk::sleep_ms(CONFIG_POLL_MS);
+            continue;
+        }
+
+        montauk::abi::NetCfg net = {};
+        montauk::get_netcfg(&net);
+        if (net.ipAddress == 0 || net.dnsServer == 0) {
+            next_attempt = now + RETRY_INTERVAL_MS;
+            montauk::sleep_ms(CONFIG_POLL_MS);
+            continue;
+        }
+
+        int result = montauk::ntp::synchronize(server);
+        log(montauk::ntp::result_string(result));
+        next_attempt = montauk::get_milliseconds() +
+            (result == montauk::ntp::OK ? SYNC_INTERVAL_MS : RETRY_INTERVAL_MS);
+        montauk::sleep_ms(CONFIG_POLL_MS);
+    }
+}