Documentation Index
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Subscribe to live interface updates via the Loft SignalR hub.
ws://localhost:5100/hubs/loft (the Loft desktop app’s local Bridge; no hosted hub exists)
| Method | Parameters | Description |
|---|---|---|
SubscribeToInterface | interfaceId: string | Subscribe to updates for a specific interface |
UnsubscribeFromInterface | interfaceId: string | Unsubscribe from interface updates |
SubscribeToAll | none | Subscribe to all interface updates |
UnsubscribeFromAll | none | Unsubscribe from all updates |
| Event | Description |
|---|---|
AlertReceived | New alert triggered on a monitored interface |
MetricUpdate | Interface metrics changed (throughput, error rate) |
InterfaceStatusChanged | Interface status changed (healthy, degraded, down) |
import { HubConnectionBuilder } from "@microsoft/signalr";
const connection = new HubConnectionBuilder()
.withUrl("http://localhost:5100/hubs/loft", {
accessTokenFactory: () => "YOUR_JWT_TOKEN"
})
.withAutomaticReconnect()
.build();
// Listen for alerts
connection.on("AlertReceived", (alert) => {
console.log("Alert:", alert.severity, alert.message);
});
// Listen for metric updates
connection.on("MetricUpdate", (metric) => {
console.log("Metrics:", metric.interfaceId, metric.messagesTotal);
});
// Listen for status changes
connection.on("InterfaceStatusChanged", (status) => {
console.log("Status:", status.interfaceId, status.newStatus);
});
// Connect and subscribe
await connection.start();
await connection.invoke("SubscribeToInterface", "intf-001");
// Or subscribe to all interfaces
await connection.invoke("SubscribeToAll");
var connection = new HubConnectionBuilder()
.WithUrl("http://localhost:5100/hubs/loft", options =>
{
options.AccessTokenProvider = () => Task.FromResult("YOUR_JWT_TOKEN");
})
.WithAutomaticReconnect()
.Build();
connection.On<AlertResponse>("AlertReceived", alert =>
{
Console.WriteLine($"Alert: {alert.Severity} - {alert.Message}");
});
await connection.StartAsync();
await connection.InvokeAsync("SubscribeToAll");