faastjs
Version:
Serverless batch computing made simple.
139 lines • 14.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.clearLeakDetector = exports.onAsyncHook = exports.stopAsyncTracing = exports.printHooks = exports.detectAsyncLeaks = exports.printAsyncStack = exports.trace = exports.startAsyncTracing = void 0;
const tslib_1 = require("tslib");
const async_hooks_1 = tslib_1.__importDefault(require("async_hooks"));
const util_1 = require("util");
let hook;
const asyncObjects = new Map();
const objectMapping = new Map();
function startAsyncTracing(stackTraces = false) {
hook = onAsyncHook(stackTraces);
}
exports.startAsyncTracing = startAsyncTracing;
function trace(obj) {
let res = objectMapping.get(obj);
if (!res) {
// console.log(`trace: object not found: ${util.inspect(obj)}`);
return;
}
let asyncTrace = `== Tracing leaked object ${res.asyncId} ==`;
while (res) {
const { stack, ...rest } = res;
asyncTrace += `${(0, util_1.inspect)(rest)}\n${stack}`;
res = asyncObjects.get(res.triggerId);
}
console.log(asyncTrace);
return { obj, trace: asyncTrace };
}
exports.trace = trace;
function printAsyncStack() {
console.log(`Async stack:`);
let res = asyncObjects.get(async_hooks_1.default.executionAsyncId());
while (res) {
const { stack, ...rest } = res;
console.log(`%O\n${stack}`, rest);
res = asyncObjects.get(res.triggerId);
}
}
exports.printAsyncStack = printAsyncStack;
function detectAsyncLeaks() {
const leaks = [];
process._getActiveHandles().forEach((h) => {
if (h !== process.stdout && h !== process.stderr) {
const leak = trace(h);
leak && leaks.push(leak);
}
});
process._getActiveRequests().forEach((h) => {
const leak = trace(h);
leak && leaks.push(leak);
});
return leaks;
}
exports.detectAsyncLeaks = detectAsyncLeaks;
function printHooks() {
for (const obj of asyncObjects) {
console.log(`%O`, obj);
}
}
exports.printHooks = printHooks;
function stopAsyncTracing() {
hook?.();
}
exports.stopAsyncTracing = stopAsyncTracing;
function onAsyncHook(stackTraces) {
const hooks = {
init,
before,
after,
destroy,
promiseResolve
};
const asyncHook = async_hooks_1.default.createHook(hooks);
asyncHook.enable();
return () => {
asyncHook.disable();
};
function init(asyncId, type, triggerId, resource) {
const obj = {
asyncId,
type,
triggerId,
resource,
state: "init",
startedCount: 0,
finishedCount: 0,
stack: stackTraces
? new Error("stack:").stack.replace(/Error:/, "")
: undefined
};
asyncObjects.set(asyncId, obj);
objectMapping.set(resource, obj);
}
function destroy(asyncId) {
const obj = asyncObjects.get(asyncId);
if (obj) {
obj.state = "destroyed";
}
else {
// console.log(`destroyed: No obj ${asyncId}`);
}
}
function before(asyncId) {
const obj = asyncObjects.get(asyncId);
if (obj) {
obj.state = "before";
obj.startedCount++;
}
else {
// console.log(`before: No obj ${asyncId}`);
}
}
function after(asyncId) {
const obj = asyncObjects.get(asyncId);
if (obj) {
obj.state = "after";
obj.finishedCount++;
}
else {
// console.log(`after: No obj ${asyncId}`);
}
}
function promiseResolve(asyncId) {
const obj = asyncObjects.get(asyncId);
if (obj) {
obj.state = "resolved";
}
else {
// console.log(`resolved: No obj ${asyncId}`);
}
}
}
exports.onAsyncHook = onAsyncHook;
function clearLeakDetector() {
asyncObjects.clear();
objectMapping.clear();
}
exports.clearLeakDetector = clearLeakDetector;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"trace.js","sourceRoot":"","sources":["../../src/trace.ts"],"names":[],"mappings":";;;;AAAA,sEAAqC;AACrC,+BAA+B;AAE/B,IAAI,IAA4B,CAAC;AAejC,MAAM,YAAY,GAA6B,IAAI,GAAG,EAAE,CAAC;AACzD,MAAM,aAAa,GAA6B,IAAI,GAAG,EAAE,CAAC;AAE1D,SAAgB,iBAAiB,CAAC,cAAuB,KAAK;IAC1D,IAAI,GAAG,WAAW,CAAC,WAAW,CAAC,CAAC;AACpC,CAAC;AAFD,8CAEC;AAOD,SAAgB,KAAK,CAAC,GAAW;IAC7B,IAAI,GAAG,GAAG,aAAa,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC;IACjC,IAAI,CAAC,GAAG,EAAE,CAAC;QACP,gEAAgE;QAChE,OAAO;IACX,CAAC;IACD,IAAI,UAAU,GAAG,4BAA4B,GAAG,CAAC,OAAO,KAAK,CAAC;IAC9D,OAAO,GAAG,EAAE,CAAC;QACT,MAAM,EAAE,KAAK,EAAE,GAAG,IAAI,EAAE,GAAG,GAAG,CAAC;QAC/B,UAAU,IAAI,GAAG,IAAA,cAAO,EAAC,IAAI,CAAC,KAAK,KAAK,EAAE,CAAC;QAC3C,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC;IAC1C,CAAC;IACD,OAAO,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC;IACxB,OAAO,EAAE,GAAG,EAAE,KAAK,EAAE,UAAU,EAAE,CAAC;AACtC,CAAC;AAdD,sBAcC;AAED,SAAgB,eAAe;IAC3B,OAAO,CAAC,GAAG,CAAC,cAAc,CAAC,CAAC;IAC5B,IAAI,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,qBAAU,CAAC,gBAAgB,EAAE,CAAC,CAAC;IAC1D,OAAO,GAAG,EAAE,CAAC;QACT,MAAM,EAAE,KAAK,EAAE,GAAG,IAAI,EAAE,GAAG,GAAG,CAAC;QAC/B,OAAO,CAAC,GAAG,CAAC,OAAO,KAAK,EAAE,EAAE,IAAI,CAAC,CAAC;QAClC,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC;IAC1C,CAAC;AACL,CAAC;AARD,0CAQC;AAED,SAAgB,gBAAgB;IAC5B,MAAM,KAAK,GAAY,EAAE,CAAC;IACzB,OAAe,CAAC,iBAAiB,EAAE,CAAC,OAAO,CAAC,CAAC,CAAS,EAAE,EAAE;QACvD,IAAI,CAAC,KAAK,OAAO,CAAC,MAAM,IAAI,CAAC,KAAK,OAAO,CAAC,MAAM,EAAE,CAAC;YAC/C,MAAM,IAAI,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;YACtB,IAAI,IAAI,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QAC7B,CAAC;IACL,CAAC,CAAC,CAAC;IACF,OAAe,CAAC,kBAAkB,EAAE,CAAC,OAAO,CAAC,CAAC,CAAS,EAAE,EAAE;QACxD,MAAM,IAAI,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;QACtB,IAAI,IAAI,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;IAC7B,CAAC,CAAC,CAAC;IACH,OAAO,KAAK,CAAC;AACjB,CAAC;AAbD,4CAaC;AAED,SAAgB,UAAU;IACtB,KAAK,MAAM,GAAG,IAAI,YAAY,EAAE,CAAC;QAC7B,OAAO,CAAC,GAAG,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;IAC3B,CAAC;AACL,CAAC;AAJD,gCAIC;AAED,SAAgB,gBAAgB;IAC5B,IAAI,EAAE,EAAE,CAAC;AACb,CAAC;AAFD,4CAEC;AAED,SAAgB,WAAW,CAAC,WAAoB;IAC5C,MAAM,KAAK,GAA6B;QACpC,IAAI;QACJ,MAAM;QACN,KAAK;QACL,OAAO;QACP,cAAc;KACjB,CAAC;IAEF,MAAM,SAAS,GAAG,qBAAU,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;IAC/C,SAAS,CAAC,MAAM,EAAE,CAAC;IAEnB,OAAO,GAAG,EAAE;QACR,SAAS,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC,CAAC;IAEF,SAAS,IAAI,CAAC,OAAe,EAAE,IAAY,EAAE,SAAiB,EAAE,QAAgB;QAC5E,MAAM,GAAG,GAAgB;YACrB,OAAO;YACP,IAAI;YACJ,SAAS;YACT,QAAQ;YACR,KAAK,EAAE,MAAM;YACb,YAAY,EAAE,CAAC;YACf,aAAa,EAAE,CAAC;YAChB,KAAK,EAAE,WAAW;gBACd,CAAC,CAAC,IAAI,KAAK,CAAC,QAAQ,CAAC,CAAC,KAAM,CAAC,OAAO,CAAC,QAAQ,EAAE,EAAE,CAAC;gBAClD,CAAC,CAAC,SAAS;SAClB,CAAC;QACF,YAAY,CAAC,GAAG,CAAC,OAAO,EAAE,GAAG,CAAC,CAAC;QAC/B,aAAa,CAAC,GAAG,CAAC,QAAQ,EAAE,GAAG,CAAC,CAAC;IACrC,CAAC;IACD,SAAS,OAAO,CAAC,OAAe;QAC5B,MAAM,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;QACtC,IAAI,GAAG,EAAE,CAAC;YACN,GAAG,CAAC,KAAK,GAAG,WAAW,CAAC;QAC5B,CAAC;aAAM,CAAC;YACJ,+CAA+C;QACnD,CAAC;IACL,CAAC;IACD,SAAS,MAAM,CAAC,OAAe;QAC3B,MAAM,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;QACtC,IAAI,GAAG,EAAE,CAAC;YACN,GAAG,CAAC,KAAK,GAAG,QAAQ,CAAC;YACrB,GAAG,CAAC,YAAY,EAAE,CAAC;QACvB,CAAC;aAAM,CAAC;YACJ,4CAA4C;QAChD,CAAC;IACL,CAAC;IACD,SAAS,KAAK,CAAC,OAAe;QAC1B,MAAM,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;QACtC,IAAI,GAAG,EAAE,CAAC;YACN,GAAG,CAAC,KAAK,GAAG,OAAO,CAAC;YACpB,GAAG,CAAC,aAAa,EAAE,CAAC;QACxB,CAAC;aAAM,CAAC;YACJ,2CAA2C;QAC/C,CAAC;IACL,CAAC;IACD,SAAS,cAAc,CAAC,OAAe;QACnC,MAAM,GAAG,GAAG,YAAY,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;QACtC,IAAI,GAAG,EAAE,CAAC;YACN,GAAG,CAAC,KAAK,GAAG,UAAU,CAAC;QAC3B,CAAC;aAAM,CAAC;YACJ,8CAA8C;QAClD,CAAC;IACL,CAAC;AACL,CAAC;AAlED,kCAkEC;AAED,SAAgB,iBAAiB;IAC7B,YAAY,CAAC,KAAK,EAAE,CAAC;IACrB,aAAa,CAAC,KAAK,EAAE,CAAC;AAC1B,CAAC;AAHD,8CAGC","sourcesContent":["import asyncHooks from \"async_hooks\";\nimport { inspect } from \"util\";\n\nlet hook: () => void | undefined;\n\ntype AsyncState = \"init\" | \"before\" | \"after\" | \"destroyed\" | \"resolved\";\n\ninterface AsyncObject {\n    asyncId: number;\n    type: string;\n    triggerId: number;\n    resource: any;\n    state: AsyncState;\n    startedCount: number;\n    finishedCount: number;\n    stack?: string;\n}\n\nconst asyncObjects: Map<number, AsyncObject> = new Map();\nconst objectMapping: Map<object, AsyncObject> = new Map();\n\nexport function startAsyncTracing(stackTraces: boolean = false) {\n    hook = onAsyncHook(stackTraces);\n}\n\ninterface Trace {\n    obj: object;\n    trace: string;\n}\n\nexport function trace(obj: object): Trace | void {\n    let res = objectMapping.get(obj);\n    if (!res) {\n        // console.log(`trace: object not found: ${util.inspect(obj)}`);\n        return;\n    }\n    let asyncTrace = `== Tracing leaked object ${res.asyncId} ==`;\n    while (res) {\n        const { stack, ...rest } = res;\n        asyncTrace += `${inspect(rest)}\\n${stack}`;\n        res = asyncObjects.get(res.triggerId);\n    }\n    console.log(asyncTrace);\n    return { obj, trace: asyncTrace };\n}\n\nexport function printAsyncStack() {\n    console.log(`Async stack:`);\n    let res = asyncObjects.get(asyncHooks.executionAsyncId());\n    while (res) {\n        const { stack, ...rest } = res;\n        console.log(`%O\\n${stack}`, rest);\n        res = asyncObjects.get(res.triggerId);\n    }\n}\n\nexport function detectAsyncLeaks(): object[] {\n    const leaks: Trace[] = [];\n    (process as any)._getActiveHandles().forEach((h: object) => {\n        if (h !== process.stdout && h !== process.stderr) {\n            const leak = trace(h);\n            leak && leaks.push(leak);\n        }\n    });\n    (process as any)._getActiveRequests().forEach((h: object) => {\n        const leak = trace(h);\n        leak && leaks.push(leak);\n    });\n    return leaks;\n}\n\nexport function printHooks() {\n    for (const obj of asyncObjects) {\n        console.log(`%O`, obj);\n    }\n}\n\nexport function stopAsyncTracing() {\n    hook?.();\n}\n\nexport function onAsyncHook(stackTraces: boolean) {\n    const hooks: asyncHooks.HookCallbacks = {\n        init,\n        before,\n        after,\n        destroy,\n        promiseResolve\n    };\n\n    const asyncHook = asyncHooks.createHook(hooks);\n    asyncHook.enable();\n\n    return () => {\n        asyncHook.disable();\n    };\n\n    function init(asyncId: number, type: string, triggerId: number, resource: object) {\n        const obj: AsyncObject = {\n            asyncId,\n            type,\n            triggerId,\n            resource,\n            state: \"init\",\n            startedCount: 0,\n            finishedCount: 0,\n            stack: stackTraces\n                ? new Error(\"stack:\").stack!.replace(/Error:/, \"\")\n                : undefined\n        };\n        asyncObjects.set(asyncId, obj);\n        objectMapping.set(resource, obj);\n    }\n    function destroy(asyncId: number) {\n        const obj = asyncObjects.get(asyncId);\n        if (obj) {\n            obj.state = \"destroyed\";\n        } else {\n            // console.log(`destroyed: No obj ${asyncId}`);\n        }\n    }\n    function before(asyncId: number) {\n        const obj = asyncObjects.get(asyncId);\n        if (obj) {\n            obj.state = \"before\";\n            obj.startedCount++;\n        } else {\n            // console.log(`before: No obj ${asyncId}`);\n        }\n    }\n    function after(asyncId: number) {\n        const obj = asyncObjects.get(asyncId);\n        if (obj) {\n            obj.state = \"after\";\n            obj.finishedCount++;\n        } else {\n            // console.log(`after: No obj ${asyncId}`);\n        }\n    }\n    function promiseResolve(asyncId: number) {\n        const obj = asyncObjects.get(asyncId);\n        if (obj) {\n            obj.state = \"resolved\";\n        } else {\n            // console.log(`resolved: No obj ${asyncId}`);\n        }\n    }\n}\n\nexport function clearLeakDetector() {\n    asyncObjects.clear();\n    objectMapping.clear();\n}\n"]}