| 1 | {"version":3,"file":"sender.js","names":["_dgram","_interopRequireDefault","require","_net","_nodeUrl","_abortError","obj","__esModule","default","sendInParallel","addresses","port","request","signal","aborted","AbortError","Promise","resolve","reject","sockets","errorCount","onError","err","length","removeEventListener","onAbort","clearSockets","onMessage","message","socket","removeListener","close","addEventListener","once","j","udpType","family","dgram","createSocket","push","on","send","address","sendMessage","host","lookup","net","isIP","isIPv6","domainInASCII","url","domainToASCII","all"],"sources":["../src/sender.ts"],"sourcesContent":["import dgram from 'dgram';\nimport dns from 'dns';\nimport net from 'net';\nimport url from 'node:url';\n\nimport AbortError from './errors/abort-error';\n\ntype LookupFunction = (hostname: string, options: dns.LookupAllOptions, callback: (err: NodeJS.ErrnoException | null, addresses: dns.LookupAddress[]) => void) => void;\n\nexport async function sendInParallel(addresses: dns.LookupAddress[], port: number, request: Buffer, signal: AbortSignal) {\n if (signal.aborted) {\n throw new AbortError();\n }\n\n return await new Promise<Buffer>((resolve, reject) => {\n const sockets: dgram.Socket[] = [];\n\n let errorCount = 0;\n\n const onError = (err: Error) => {\n errorCount++;\n\n if (errorCount === addresses.length) {\n signal.removeEventListener('abort', onAbort);\n clearSockets();\n\n reject(err);\n }\n };\n\n const onMessage = (message: Buffer) => {\n signal.removeEventListener('abort', onAbort);\n clearSockets();\n\n resolve(message);\n };\n\n const onAbort = () => {\n clearSockets();\n\n reject(new AbortError());\n };\n\n const clearSockets = () => {\n for (const socket of sockets) {\n socket.removeListener('error', onError);\n socket.removeListener('message', onMessage);\n socket.close();\n }\n };\n\n signal.addEventListener('abort', onAbort, { once: true });\n\n for (let j = 0; j < addresses.length; j++) {\n const udpType = addresses[j].family === 6 ? 'udp6' : 'udp4';\n\n const socket = dgram.createSocket(udpType);\n sockets.push(socket);\n socket.on('error', onError);\n socket.on('message', onMessage);\n socket.send(request, 0, request.length, port, addresses[j].address);\n }\n });\n}\n\nexport async function sendMessage(host: string, port: number, lookup: LookupFunction, signal: AbortSignal, request: Buffer) {\n if (signal.aborted) {\n throw new AbortError();\n }\n\n let addresses: dns.LookupAddress[];\n\n if (net.isIP(host)) {\n addresses = [\n { address: host, family: net.isIPv6(host) ? 6 : 4 }\n ];\n } else {\n addresses = await new Promise<dns.LookupAddress[]>((resolve, reject) => {\n const onAbort = () => {\n reject(new AbortError());\n };\n\n const domainInASCII = url.domainToASCII(host);\n lookup(domainInASCII === '' ? host : domainInASCII, { all: true }, (err, addresses) => {\n signal.removeEventListener('abort', onAbort);\n\n err ? reject(err) : resolve(addresses);\n });\n });\n }\n\n return await sendInParallel(addresses, port, request, signal);\n}\n"],"mappings":";;;;;;;AAAA,IAAAA,MAAA,GAAAC,sBAAA,CAAAC,OAAA;AAEA,IAAAC,IAAA,GAAAF,sBAAA,CAAAC,OAAA;AACA,IAAAE,QAAA,GAAAH,sBAAA,CAAAC,OAAA;AAEA,IAAAG,WAAA,GAAAJ,sBAAA,CAAAC,OAAA;AAA8C,SAAAD,uBAAAK,GAAA,WAAAA,GAAA,IAAAA,GAAA,CAAAC,UAAA,GAAAD,GAAA,KAAAE,OAAA,EAAAF,GAAA;AAIvC,eAAeG,cAAcA,CAACC,SAA8B,EAAEC,IAAY,EAAEC,OAAe,EAAEC,MAAmB,EAAE;EACvH,IAAIA,MAAM,CAACC,OAAO,EAAE;IAClB,MAAM,IAAIC,mBAAU,CAAC,CAAC;EACxB;EAEA,OAAO,MAAM,IAAIC,OAAO,CAAS,CAACC,OAAO,EAAEC,MAAM,KAAK;IACpD,MAAMC,OAAuB,GAAG,EAAE;IAElC,IAAIC,UAAU,GAAG,CAAC;IAElB,MAAMC,OAAO,GAAIC,GAAU,IAAK;MAC9BF,UAAU,EAAE;MAEZ,IAAIA,UAAU,KAAKV,SAAS,CAACa,MAAM,EAAE;QACnCV,MAAM,CAACW,mBAAmB,CAAC,OAAO,EAAEC,OAAO,CAAC;QAC5CC,YAAY,CAAC,CAAC;QAEdR,MAAM,CAACI,GAAG,CAAC;MACb;IACF,CAAC;IAED,MAAMK,SAAS,GAAIC,OAAe,IAAK;MACrCf,MAAM,CAACW,mBAAmB,CAAC,OAAO,EAAEC,OAAO,CAAC;MAC5CC,YAAY,CAAC,CAAC;MAEdT,OAAO,CAACW,OAAO,CAAC;IAClB,CAAC;IAED,MAAMH,OAAO,GAAGA,CAAA,KAAM;MACpBC,YAAY,CAAC,CAAC;MAEdR,MAAM,CAAC,IAAIH,mBAAU,CAAC,CAAC,CAAC;IAC1B,CAAC;IAED,MAAMW,YAAY,GAAGA,CAAA,KAAM;MACzB,KAAK,MAAMG,MAAM,IAAIV,OAAO,EAAE;QAC5BU,MAAM,CAACC,cAAc,CAAC,OAAO,EAAET,OAAO,CAAC;QACvCQ,MAAM,CAACC,cAAc,CAAC,SAAS,EAAEH,SAAS,CAAC;QAC3CE,MAAM,CAACE,KAAK,CAAC,CAAC;MAChB;IACF,CAAC;IAEDlB,MAAM,CAACmB,gBAAgB,CAAC,OAAO,EAAEP,OAAO,EAAE;MAAEQ,IAAI,EAAE;IAAK,CAAC,CAAC;IAEzD,KAAK,IAAIC,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGxB,SAAS,CAACa,MAAM,EAAEW,CAAC,EAAE,EAAE;MACzC,MAAMC,OAAO,GAAGzB,SAAS,CAACwB,CAAC,CAAC,CAACE,MAAM,KAAK,CAAC,GAAG,MAAM,GAAG,MAAM;MAE3D,MAAMP,MAAM,GAAGQ,cAAK,CAACC,YAAY,CAACH,OAAO,CAAC;MAC1ChB,OAAO,CAACoB,IAAI,CAACV,MAAM,CAAC;MACpBA,MAAM,CAACW,EAAE,CAAC,OAAO,EAAEnB,OAAO,CAAC;MAC3BQ,MAAM,CAACW,EAAE,CAAC,SAAS,EAAEb,SAAS,CAAC;MAC/BE,MAAM,CAACY,IAAI,CAAC7B,OAAO,EAAE,CAAC,EAAEA,OAAO,CAACW,MAAM,EAAEZ,IAAI,EAAED,SAAS,CAACwB,CAAC,CAAC,CAACQ,OAAO,CAAC;IACrE;EACF,CAAC,CAAC;AACJ;AAEO,eAAeC,WAAWA,CAACC,IAAY,EAAEjC,IAAY,EAAEkC,MAAsB,EAAEhC,MAAmB,EAAED,OAAe,EAAE;EAC1H,IAAIC,MAAM,CAACC,OAAO,EAAE;IAClB,MAAM,IAAIC,mBAAU,CAAC,CAAC;EACxB;EAEA,IAAIL,SAA8B;EAElC,IAAIoC,YAAG,CAACC,IAAI,CAACH,IAAI,CAAC,EAAE;IAClBlC,SAAS,GAAG,CACV;MAAEgC,OAAO,EAAEE,IAAI;MAAER,MAAM,EAAEU,YAAG,CAACE,MAAM,CAACJ,IAAI,CAAC,GAAG,CAAC,GAAG;IAAE,CAAC,CACpD;EACH,CAAC,MAAM;IACLlC,SAAS,GAAG,MAAM,IAAIM,OAAO,CAAsB,CAACC,OAAO,EAAEC,MAAM,KAAK;MACtE,MAAMO,OAAO,GAAGA,CAAA,KAAM;QACpBP,MAAM,CAAC,IAAIH,mBAAU,CAAC,CAAC,CAAC;MAC1B,CAAC;MAED,MAAMkC,aAAa,GAAGC,gBAAG,CAACC,aAAa,CAACP,IAAI,CAAC;MAC7CC,MAAM,CAACI,aAAa,KAAK,EAAE,GAAGL,IAAI,GAAGK,aAAa,EAAE;QAAEG,GAAG,EAAE;MAAK,CAAC,EAAE,CAAC9B,GAAG,EAAEZ,SAAS,KAAK;QACrFG,MAAM,CAACW,mBAAmB,CAAC,OAAO,EAAEC,OAAO,CAAC;QAE5CH,GAAG,GAAGJ,MAAM,CAACI,GAAG,CAAC,GAAGL,OAAO,CAACP,SAAS,CAAC;MACxC,CAAC,CAAC;IACJ,CAAC,CAAC;EACJ;EAEA,OAAO,MAAMD,cAAc,CAACC,SAAS,EAAEC,IAAI,EAAEC,OAAO,EAAEC,MAAM,CAAC;AAC/D"} |