f34d002601
WHY: connect_to_device and download_to_device against a password-protected runtime pop a modal "Device User Login" dialog in the IDE. IronPython can't marshal to the WPF UI thread to dismiss it, so headless / agent-driven sessions block forever -- and even for interactive use, the dialog pops on EVERY download, which is a constant friction point. API: ScriptOnline.set_default_credentials(username, password) was added in CODESYS scripting API 3.5.3.0. Effect lasts until end of the current script execution. Source: https://content.helpme-codesys.com/en/ScriptingEngine/ScriptOnline.html Implementation: - New helper script src/scripts/register_device_credentials.py defines a register_device_credentials_if_set() function that no-ops when DEVICE_USER or DEVICE_PASSWORD is empty, gracefully skips on older SPs that lack set_default_credentials, and never raises (always falls back to the current dialog-prompting behaviour). - connect_to_device.py and download_to_device.py call the helper as the FIRST action inside their try blocks, before ensure_project_open and any login() attempt, so credentials are registered before any code path that could trigger the dialog. - server.ts adds optional deviceUser / devicePassword args to both tools' input schemas. Resolution order: args.deviceUser (per-call override) -> process.env.CODESYS_DEVICE_USER -> '' (empty, dialog pops as before) Same for devicePassword. Env-var path is the recommended config: claude mcp add -s user codesys-sp22-patch1 \ -e CODESYS_DEVICE_USER=Karstein \ -e CODESYS_DEVICE_PASSWORD=codesys123 \ -- codesys-mcp-sp21-plus --codesys-path ... --codesys-profile ... \ --mode persistent --no-auto-launch Backward compat: when both creds are empty (default for existing users), the helper short-circuits and behaviour is byte-identical to 0.5.x. No regression. Verified by smoke-testing prepareScriptWithHelpers locally with both filled and empty inputs -- function definition + callsite are both wired in either case; only set_default_credentials() is suppressed when empty. README updated for connect_to_device and download_to_device tool rows. Version bumped 0.5.0 -> 0.6.0.
69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
// One-shot bridge: sends a command to an existing watcher's IPC dir,
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// matching the file format from src/ipc.ts so the watcher (which has no
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// idea this MCP server even exists) picks up and executes it.
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// Used to verify a script change without restarting CODESYS / VSCode.
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import * as fs from 'node:fs';
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import * as path from 'node:path';
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import * as crypto from 'node:crypto';
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const IPC_DIR = process.argv[2];
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const PROJECT_FILE_PATH = process.argv[3];
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const SCRIPT_NAME = process.argv[4] || 'list_project_libraries';
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const HELPERS = (process.argv[5] || 'ensure_project_open').split(',').filter(Boolean);
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const TIMEOUT_MS = Number(process.argv[6] || '120000');
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if (!IPC_DIR || !PROJECT_FILE_PATH) {
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console.error('usage: node inject-once.mjs <IPC_DIR> <PROJECT_FILE_PATH> [scriptName] [helpers,csv] [timeoutMs]');
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process.exit(2);
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}
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const SCRIPTS_DIR = path.resolve(path.dirname(new URL(import.meta.url).pathname).replace(/^\//, ''), 'dist/scripts');
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const helperBodies = HELPERS.map((h) =>
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fs.readFileSync(path.join(SCRIPTS_DIR, `${h}.py`), 'utf-8')
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);
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const mainBody = fs.readFileSync(path.join(SCRIPTS_DIR, `${SCRIPT_NAME}.py`), 'utf-8');
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const combined = [...helperBodies, mainBody].join('\n\n');
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const interpolated = combined.replace(/\{PROJECT_FILE_PATH\}/g, PROJECT_FILE_PATH);
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const reqId = crypto.randomUUID();
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const cmdsDir = path.join(IPC_DIR, 'commands');
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const resDir = path.join(IPC_DIR, 'results');
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const scriptPath = path.join(cmdsDir, `${reqId}.py`);
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const cmdPath = path.join(cmdsDir, `${reqId}.command.json`);
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const resPath = path.join(resDir, `${reqId}.result.json`);
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function atomicWrite(p, content) {
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const tmp = p + '.tmp';
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fs.writeFileSync(tmp, content, 'utf-8');
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fs.renameSync(tmp, p);
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}
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console.error(`[inject] reqId=${reqId} ipcDir=${IPC_DIR}`);
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atomicWrite(scriptPath, interpolated);
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atomicWrite(cmdPath, JSON.stringify({
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requestId: reqId,
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scriptPath: scriptPath,
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timestamp: Date.now(),
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}));
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const start = Date.now();
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let pollMs = 100;
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const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
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while (Date.now() - start < TIMEOUT_MS) {
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if (fs.existsSync(resPath)) {
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try {
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const result = JSON.parse(fs.readFileSync(resPath, 'utf-8'));
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console.log(JSON.stringify(result, null, 2));
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try { fs.unlinkSync(resPath); } catch { /* ignore */ }
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process.exit(result.success ? 0 : 1);
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} catch {
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// partial write, retry next tick
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}
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}
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await sleep(pollMs);
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pollMs = Math.min(pollMs * 2, 1000);
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}
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console.error(`[inject] timeout after ${TIMEOUT_MS}ms`);
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process.exit(3);
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