improve crashlogs

Overlord-Server/src/db/repositories.ts

@@ -343,6 +343,16 @@ export function setOnlineState(id: string, online: boolean, disconnectReason?: s
   invalidateClientMetricsSummaryCache();
 }
 
+export function setClientDisconnectInfo(id: string, disconnectReason: string, disconnectDetail?: string) {
+  db.run(
+    `UPDATE clients SET disconnect_reason=?, disconnect_detail=? WHERE id=?`,
+    disconnectReason || null,
+    disconnectDetail || null,
+    id,
+  );
+  invalidateClientMetricsSummaryCache();
+}
+
 const setOfflineStateStmt = db.prepare(
   `UPDATE clients SET online=0, last_seen=?, disconnect_reason=?, disconnect_detail=? WHERE id=?`,
 );

Overlord-Server/src/protocol.ts

@@ -43,6 +43,8 @@ export type Hello = {
   publicKey?: string;
   signature?: string;
   publicIP?: string;
+  lastCrashReason?: string;
+  lastCrashDetail?: string;
 };
 
 export type EnrollmentChallenge = {

Overlord-Server/src/wsHandlers.ts

@@ -16,7 +16,8 @@ import {
   requestThumbnailRegen,
 } from "./thumbnails";
 import { metrics } from "./metrics";
-import { markClientDbSynced, queueClientDbUpdate, shouldSyncClientToDb } from "./client-db-sync";
+import { flushQueuedClientDbUpdates, markClientDbSynced, queueClientDbUpdate, shouldSyncClientToDb } from "./client-db-sync";
+import { setClientDisconnectInfo } from "./db";
 
 export { clearClientSyncState } from "./client-db-sync";
 
@@ -122,6 +123,8 @@ export async function handleHello(
   info.country = country;
   info.lastSeen = Date.now();
   info.online = true;
+  const lastCrashReason = sanitizeInfoString((payload as any).lastCrashReason, 64);
+  const lastCrashDetail = sanitizeInfoString((payload as any).lastCrashDetail, 1200);
 
   queueClientDbUpdate({
     id: info.id,
@@ -146,6 +149,10 @@ export async function handleHello(
     lastSeen: info.lastSeen,
     online: 1,
   });
+  if (lastCrashReason) {
+    flushQueuedClientDbUpdates();
+    setClientDisconnectInfo(info.id, lastCrashReason, lastCrashDetail);
+  }
 
   sendPingRequest(info, ws, "hello");