introduced yarn workspace

packages/api/src/proc/serverConnectionProcess.js

@@ -0,0 +1,37 @@
+const engines = require('@dbgate/engines');
+const driverConnect = require('../utility/driverConnect')
+
+let systemConnection;
+let storedConnection;
+
+async function handleRefreshDatabases() {
+  const driver = engines(storedConnection);
+  const databases = await driver.listDatabases(systemConnection);
+  process.send({ msgtype: 'databases', databases });
+}
+
+async function handleConnect(connection) {
+  storedConnection = connection;
+
+  const driver = engines(storedConnection);
+  systemConnection = await driverConnect(driver, storedConnection);
+  handleRefreshDatabases();
+  setInterval(handleRefreshDatabases, 30 * 1000);
+}
+
+const messageHandlers = {
+  connect: handleConnect,
+};
+
+async function handleMessage({ msgtype, ...other }) {
+  const handler = messageHandlers[msgtype];
+  await handler(other);
+}
+
+process.on('message', async message => {
+  try {
+    await handleMessage(message);
+  } catch (e) {
+    process.send({ msgtype: 'error', error: e.message });
+  }
+});