fix(connection): release stuck connection attempts

apps/desktop/src/lib/connectionAttemptTimeout.ts

@@ -0,0 +1,25 @@
+import type { ConnectionConfig } from "@/types/database";
+
+export const CONNECTION_ATTEMPT_TIMEOUT_BUFFER_MS = 2_000;
+const DEFAULT_CONNECT_TIMEOUT_SECS = 5;
+
+function positiveSeconds(value: unknown, fallback: number): number {
+  return typeof value === "number" && Number.isFinite(value) && value > 0 ? value : fallback;
+}
+
+export function connectionAttemptTimeoutMs(
+  config: Pick<ConnectionConfig, "connect_timeout_secs" | "ssh_enabled" | "ssh_connect_timeout_secs" | "ssh_tunnels">,
+): number {
+  const timeouts = [positiveSeconds(config.connect_timeout_secs, DEFAULT_CONNECT_TIMEOUT_SECS)];
+  if (config.ssh_enabled) {
+    timeouts.push(positiveSeconds(config.ssh_connect_timeout_secs, DEFAULT_CONNECT_TIMEOUT_SECS));
+    for (const tunnel of config.ssh_tunnels ?? []) {
+      timeouts.push(positiveSeconds(tunnel.connect_timeout_secs, DEFAULT_CONNECT_TIMEOUT_SECS));
+    }
+  }
+  return Math.ceil(Math.max(...timeouts) * 1000 + CONNECTION_ATTEMPT_TIMEOUT_BUFFER_MS);
+}
+
+export function connectionAttemptTimeoutMessage(timeoutMs: number): string {
+  return `Connection attempt timed out after ${Math.ceil(timeoutMs / 1000)}s. Please check the network or VPN and try again.`;
+}