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multi-simadmin/apps/web/src/instances/device-network-module.tsx
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TypeScript

import { useEffect, useRef, useState, type ReactNode } from 'react';
import type { InstanceContext } from '../app-shell.js';
/** Only these bounded primitives may cross the injected read boundary into the UI. */
export type DeviceNetworkValue = string | number | boolean | null;
export interface WlanStatus {
readonly enabled?: boolean | null;
readonly radioState?: string | null;
readonly connectionState?: string | null;
readonly activeProfile?: string | null;
readonly ssid?: string | null;
}
export interface WlanProfile {
readonly name?: string | null;
readonly ssid?: string | null;
readonly security?: string | null;
readonly enabled?: boolean | null;
readonly priority?: number | null;
}
export interface NetworkAddress {
readonly family?: string | null;
readonly address?: string | null;
readonly prefixLength?: number | null;
readonly scope?: string | null;
}
export interface NetworkInterface {
readonly name?: string | null;
readonly kind?: string | null;
readonly state?: string | null;
readonly macAddress?: string | null;
readonly mtu?: number | null;
readonly addresses: readonly NetworkAddress[];
}
export interface DdnsStatus {
readonly enabled?: boolean | null;
readonly state?: string | null;
readonly lastUpdateAt?: string | null;
}
/** Credentials are intentionally absent. Do not add password, token, secret, or username fields. */
export interface DdnsConfig {
readonly provider?: string | null;
readonly hostname?: string | null;
readonly updateIntervalSeconds?: number | null;
}
/** This is aggregate metadata only; raw DDNS log messages are intentionally unsupported. */
export interface DdnsLogSummary {
readonly totalEntries?: number | null;
readonly successfulUpdates?: number | null;
readonly failedUpdates?: number | null;
readonly lastEventAt?: string | null;
}
export interface DeviceNetworkSnapshot {
readonly observedAt?: string;
readonly wlan: {
readonly status: WlanStatus;
readonly profiles: readonly WlanProfile[];
};
readonly interfaces: readonly NetworkInterface[];
readonly ddns: {
readonly status: DdnsStatus;
readonly config: DdnsConfig;
readonly logSummary: DdnsLogSummary;
};
}
export interface DeviceNetworkDataSource {
/** Implementations are injected by the owner; this module defines no production endpoint. */
load(instanceId: string, signal: AbortSignal): Promise<DeviceNetworkSnapshot>;
}
export interface DeviceNetworkModuleProps {
readonly instance: InstanceContext;
readonly dataSource?: DeviceNetworkDataSource;
/** Change this owner-provided value to request another read. */
readonly refreshSignal?: unknown;
}
type ReadState =
| { kind: 'idle'; ownerId: string }
| { kind: 'loading'; ownerId: string; snapshot?: DeviceNetworkSnapshot }
| { kind: 'ready'; ownerId: string; snapshot: DeviceNetworkSnapshot }
| { kind: 'error'; ownerId: string; snapshot?: DeviceNetworkSnapshot };
const SAFE_LOAD_ERROR = 'Device Network data could not be loaded.';
function display(value: DeviceNetworkValue | undefined): string {
return value == null ? 'Unavailable' : String(value);
}
function Fields({
values,
}: {
values: readonly (readonly [label: string, value: DeviceNetworkValue | undefined])[];
}) {
return (
<dl>
{values.map(([label, value]) => (
<div key={label}>
<dt>{label}</dt>
<dd>{display(value)}</dd>
</div>
))}
</dl>
);
}
function Section({ label, children }: { label: string; children: ReactNode }) {
return (
<section className="device-network-card" aria-label={label}>
<h2>{label}</h2>
{children}
</section>
);
}
function SnapshotView({ snapshot }: { snapshot: DeviceNetworkSnapshot }) {
const status = snapshot.wlan.status;
const ddnsStatus = snapshot.ddns.status;
const config = snapshot.ddns.config;
const logs = snapshot.ddns.logSummary;
return (
<>
{snapshot.observedAt ? <p>Observed {snapshot.observedAt}</p> : null}
<div className="device-network-grid">
<Section label="WLAN status">
<Fields
values={[
['Enabled', status.enabled],
['Radio state', status.radioState],
['Connection state', status.connectionState],
['Active profile', status.activeProfile],
['SSID', status.ssid],
]}
/>
</Section>
<Section label="WLAN profiles">
{snapshot.wlan.profiles.length ? (
snapshot.wlan.profiles.map((profile, index) => (
<article key={`${profile.name ?? 'profile'}-${index}`}>
<Fields
values={[
['Name', profile.name],
['SSID', profile.ssid],
['Security', profile.security],
['Enabled', profile.enabled],
['Priority', profile.priority],
]}
/>
</article>
))
) : (
<p>No WLAN profiles were supplied.</p>
)}
</Section>
<Section label="Interfaces and addresses">
{snapshot.interfaces.length ? (
snapshot.interfaces.map((networkInterface, index) => (
<article key={`${networkInterface.name ?? 'interface'}-${index}`}>
<Fields
values={[
['Name', networkInterface.name],
['Kind', networkInterface.kind],
['State', networkInterface.state],
['MAC address', networkInterface.macAddress],
['MTU', networkInterface.mtu],
]}
/>
<h3>Addresses</h3>
{networkInterface.addresses.length ? (
<ul>
{networkInterface.addresses.map((address, addressIndex) => (
<li key={`${address.address ?? 'address'}-${addressIndex}`}>
<Fields
values={[
['Family', address.family],
[
'Address',
address.address == null
? null
: address.prefixLength == null
? address.address
: `${address.address}/${address.prefixLength}`,
],
['Scope', address.scope],
]}
/>
</li>
))}
</ul>
) : (
<p>No addresses were supplied.</p>
)}
</article>
))
) : (
<p>No network interfaces were supplied.</p>
)}
</Section>
<Section label="DDNS status">
<Fields
values={[
['Enabled', ddnsStatus.enabled],
['State', ddnsStatus.state],
['Last update', ddnsStatus.lastUpdateAt],
]}
/>
</Section>
<Section label="DDNS configuration">
<Fields
values={[
['Provider', config.provider],
['Hostname', config.hostname],
['Update interval (seconds)', config.updateIntervalSeconds],
]}
/>
</Section>
<Section label="DDNS log summary">
<Fields
values={[
['Total entries', logs.totalEntries],
['Successful updates', logs.successfulUpdates],
['Failed updates', logs.failedUpdates],
['Last event', logs.lastEventAt],
]}
/>
</Section>
</div>
<section className="state-panel" aria-label="Device Network actions">
<h2>Device Network actions</h2>
<p>R1 configuration actions are unavailable until executable backend support exists.</p>
<p>R2 operational actions are unavailable until executable backend support exists.</p>
</section>
</>
);
}
export function DeviceNetworkModule({
instance,
dataSource,
refreshSignal,
}: DeviceNetworkModuleProps) {
const requestOwner = useRef(0);
const [retry, setRetry] = useState(0);
const [state, setState] = useState<ReadState>({ kind: 'idle', ownerId: instance.id });
useEffect(() => {
const request = ++requestOwner.current;
const ownerId = instance.id;
const controller = new AbortController();
if (instance.authentication !== 'authenticated' || !dataSource) {
setState({ kind: 'idle', ownerId });
return () => controller.abort();
}
setState((current) => ({
kind: 'loading',
ownerId,
...(current.ownerId === ownerId &&
(current.kind === 'ready' || current.kind === 'error') &&
current.snapshot
? { snapshot: current.snapshot }
: {}),
}));
void dataSource.load(ownerId, controller.signal).then(
(snapshot) => {
if (request === requestOwner.current && !controller.signal.aborted)
setState({ kind: 'ready', ownerId, snapshot });
},
(_reason: unknown) => {
void _reason;
if (request === requestOwner.current && !controller.signal.aborted)
setState((current) => ({
kind: 'error',
ownerId,
...(current.ownerId === ownerId && current.kind === 'loading' && current.snapshot
? { snapshot: current.snapshot }
: {}),
}));
},
);
return () => controller.abort();
}, [dataSource, instance.authentication, instance.id, refreshSignal, retry]);
if (instance.authentication !== 'authenticated') {
return (
<div className="state-panel state-error" role="alert">
Authentication is required before Device Network data can be read for this instance.
</div>
);
}
if (!dataSource)
return (
<div className="state-panel" role="status" aria-label="Device Network unavailable">
No safe Device Network read data source is available. This console will not invent or call
an uncontracted production endpoint.
</div>
);
const retainedSnapshot =
state.ownerId === instance.id && (state.kind === 'loading' || state.kind === 'error')
? state.snapshot
: undefined;
if ((state.kind === 'idle' || state.kind === 'loading') && !retainedSnapshot)
return (
<p role="status" aria-label="Device Network loading status">
Loading Device Network
</p>
);
if (state.kind === 'error' && !retainedSnapshot)
return (
<div className="state-panel state-error" role="alert">
<p>Unable to load Device Network: {SAFE_LOAD_ERROR}</p>
<button type="button" onClick={() => setRetry((value) => value + 1)}>
Retry loading Device Network
</button>
</div>
);
const currentSnapshot =
state.kind === 'ready' && state.ownerId === instance.id ? state.snapshot : retainedSnapshot;
if (!currentSnapshot) return null;
return (
<div className="device-network-module">
{state.kind === 'loading' ? <p role="status">Refreshing Device Network</p> : null}
{state.kind === 'error' ? (
<div className="state-panel state-error" role="alert">
<p>Refresh failed; showing the last known Device Network data.</p>
<button type="button" onClick={() => setRetry((value) => value + 1)}>
Retry loading Device Network
</button>
</div>
) : null}
{instance.freshness !== 'fresh' ? (
<p className="state-panel" role="status" aria-label="Device Network freshness">
Device Network data is {instance.freshness}; verify freshness before relying on these
values.
</p>
) : null}
<SnapshotView snapshot={currentSnapshot} />
</div>
);
}