@etm-professional-control/winccoa-mcp-server/build/utils/managerInfo.js

MCP Server for WinCC OA with field-specific configurations

/**
 * Manager Information Utilities
 *
 * Utilities for retrieving information about the current JavaScript manager instance.
 * Uses process PID and PMON status to identify the own manager.
 */
import { PmonClient } from '../helpers/pmon/PmonClient.js';
/**
 * Get the manager number by matching process PID with PMON status.
 *
 * This function retrieves the current process PID and matches it against
 * the running managers in PMON to find the manager number.
 *
 * @returns Promise with the manager number if found, null otherwise
 */
export async function getOwnManagerNumber() {
    try {
        // Get current process PID
        const currentPid = process.pid;
        // Get manager status from PMON
        const pmonClient = new PmonClient();
        const managerStatus = await pmonClient.getManagerStatus();
        // Find manager with matching PID
        for (const manager of managerStatus.managers) {
            if (manager.pid === currentPid) {
                return manager.manNum;
            }
        }
        return null;
    }
    catch (error) {
        console.error('Failed to get own manager number:', error);
        return null;
    }
}
/**
 * Cached manager number to avoid repeated PMON calls
 */
let cachedManagerNumber = undefined;
/**
 * Get the manager number with caching.
 * First call matches PID with PMON, subsequent calls return cached value.
 *
 * @returns Promise with the manager number if found, null otherwise
 */
export async function getOwnManagerNumberCached() {
    if (cachedManagerNumber === undefined) {
        cachedManagerNumber = await getOwnManagerNumber();
    }
    return cachedManagerNumber;
}
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