Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | 24x 5x 5x 31x 31x 31x 21x 4x 4x 31x 6x 2x 4x 4x 4x 4x 31x 1x 1x 1x 31x 1x 1x 1x 1x 1x 1x 31x 1x 2x 2x 31x 18x 16x 31x | import { useCallback, useEffect, useRef, useState } from "react";
import type { OutputTab } from "@/types/compilation.types";
import type { ServerStatusEventData } from "@/types/external-api";
import type { IncomingArduinoMessage } from "@/types/websocket";
import type { SimulationStatus } from "@shared/types/arduino.types";
import {
emitServerStatusEvent,
emitSimulationStateEvent,
useExternalApi,
} from "./use-external-api";
type StateSetter<T> = (value: T | ((previous: T) => T)) => void;
type InternalServerStatus = Pick<ServerStatusEventData, "sandboxRunners" | "compileSlots">;
interface UseSimulatorExternalControlParams {
allowedOrigin: string;
backendReachable: boolean;
isConnected: boolean;
compileAndStartAction: () => void;
handleStop: () => void;
handlePause: () => void;
handleResume: () => void;
setCode: (code: string) => void;
setSimulationStatus: StateSetter<SimulationStatus>;
sendMessage: (message: IncomingArduinoMessage) => void;
pinStates: Array<{ pin: number; value?: number }>;
handleSerialSend: (data: string) => void;
setSimulationTimeout: (timeout: number) => void;
setActiveOutputTab: (tab: OutputTab) => void;
simulationStatus: SimulationStatus;
compilationStatus: string;
serverStatus: InternalServerStatus | null;
}
/** Atomically claims a queued external start once its prerequisites are ready. */
export function claimPendingExternalStart(
pendingRef: { current: boolean },
prerequisitesReady: boolean,
): boolean {
if (!prerequisitesReady || !pendingRef.current) return false;
pendingRef.current = false;
return true;
}
export function useSimulatorExternalControl(
params: UseSimulatorExternalControlParams,
): { pendingExternalStart: boolean } {
// React state drives the externally visible status, while the ref is the
// synchronous one-shot claim used to prevent duplicate compiles when this
// effect is re-run during rapid readiness/status updates.
const pendingExternalStartRef = useRef(false);
const [pendingExternalStart, setPendingExternalStart] = useState(false);
useEffect(() => {
if (
claimPendingExternalStart(
pendingExternalStartRef,
params.isConnected && params.backendReachable,
)
) {
setPendingExternalStart(false);
params.compileAndStartAction();
}
}, [
params.isConnected,
params.backendReachable,
params.compileAndStartAction,
]);
const handleExternalStartSimulation = useCallback(() => {
if (params.isConnected && params.backendReachable) {
params.compileAndStartAction();
} else {
pendingExternalStartRef.current = true;
setPendingExternalStart(true);
params.setSimulationStatus("queued");
emitSimulationStateEvent("QUEUED_FOR_COMPILING");
}
}, [params]);
const handleExternalStopSimulation = useCallback(() => {
pendingExternalStartRef.current = false;
setPendingExternalStart(false);
params.handleStop();
}, [params]);
const deriveClientState = useCallback((): string => {
Iif (pendingExternalStart) return "QUEUED_FOR_COMPILING";
Iif (params.compilationStatus === "compiling") return "COMPILING";
Iif (params.simulationStatus === "queued") return "QUEUED_FOR_SIMULATION";
Iif (params.simulationStatus === "running") return "RUNNING";
Iif (params.simulationStatus === "paused") return "PAUSED";
return "IDLE";
}, [pendingExternalStart, params.compilationStatus, params.simulationStatus]);
useExternalApi({
allowedOrigin: params.allowedOrigin,
onLoadCode: params.setCode,
onStartSimulation: handleExternalStartSimulation,
onStopSimulation: handleExternalStopSimulation,
onPauseSimulation: params.handlePause,
onResumeSimulation: params.handleResume,
onSetPinState: (pin, value) => {
params.sendMessage({ type: "set_pin_value", pin, value });
},
getPinState: (pin) => {
const found = params.pinStates.find((pinState) => pinState.pin === pin);
return found?.value ?? 0;
},
onSerialInput: params.handleSerialSend,
onSetSimulationTimeout: params.setSimulationTimeout,
onSetOutputTab: params.setActiveOutputTab,
getSimulationState: deriveClientState,
getServerStatus: () => params.serverStatus && {
serverReachable: params.backendReachable,
sandboxRunners: params.serverStatus.sandboxRunners,
compileSlots: params.serverStatus.compileSlots,
},
});
useEffect(() => {
if (!params.serverStatus) return;
emitServerStatusEvent({
serverReachable: params.backendReachable,
sandboxRunners: params.serverStatus.sandboxRunners,
compileSlots: params.serverStatus.compileSlots,
});
}, [params.serverStatus, params.backendReachable, emitServerStatusEvent]);
return { pendingExternalStart };
}
|