@jsprismarine/raknet
Version:
Basic RakNet implementation written in TypeScript
104 lines (103 loc) • 13.3 kB
JavaScript
"use strict";
Object.defineProperties(exports, {
__esModule: { value: true },
[Symbol.toStringTag]: { value: "Module" }
});
const require_runtime = require("../_virtual/_rolldown/runtime.cjs.cjs");
const require_protocol_BitFlags = require("./BitFlags.cjs.cjs");
const require_protocol_FrameReliability = require("./FrameReliability.cjs.cjs");
let _jsprismarine_jsbinaryutils = require("@jsprismarine/jsbinaryutils");
_jsprismarine_jsbinaryutils = require_runtime.__toESM(_jsprismarine_jsbinaryutils, 1);
let assert = require("assert");
assert = require_runtime.__toESM(assert, 1);
//#region src/protocol/Frame.ts
var MAX_FRAME_BYTE_LENGTH = 23;
var Frame = class {
reliability = require_protocol_FrameReliability.FrameReliability.UNRELIABLE;
reliableIndex = null;
sequenceIndex = null;
orderIndex = null;
orderChannel;
fragmentSize = 0;
fragmentId;
fragmentIndex;
content;
fromBinary(stream) {
const header = stream.readByte();
this.reliability = (header & 224) >> 5;
const length = Math.ceil(stream.readShort() / 8);
if (this.isReliable()) this.reliableIndex = stream.readTriadLE();
if (this.isSequenced()) this.sequenceIndex = stream.readTriadLE();
if (this.isOrdered()) {
this.orderIndex = stream.readTriadLE();
this.orderChannel = stream.readByte();
}
if ((header & require_protocol_BitFlags.BitFlags.SPLIT) > 0) {
this.fragmentSize = stream.readInt();
this.fragmentId = stream.readShort();
this.fragmentIndex = stream.readInt();
}
this.content = stream.read(length);
return this;
}
toBinary() {
const stream = new _jsprismarine_jsbinaryutils.default();
const fragmented = this.isFragmented();
stream.writeByte(this.reliability << 5 | (fragmented ? require_protocol_BitFlags.BitFlags.SPLIT : 0));
stream.writeUnsignedShort(this.content.byteLength << 3);
if (this.isReliable()) {
(0, assert.default)(typeof this.reliableIndex === "number", "Invalid ReliableIndex for reliable Frame");
stream.writeUnsignedTriadLE(this.reliableIndex);
}
if (this.isSequenced()) {
(0, assert.default)(typeof this.sequenceIndex === "number", "Invalid SequenceIndex for sequenced Frame");
stream.writeUnsignedTriadLE(this.sequenceIndex);
}
if (this.isOrdered()) {
(0, assert.default)(typeof this.orderIndex === "number", "Invalid OrderIndex for ordered Frame");
stream.writeUnsignedTriadLE(this.orderIndex);
(0, assert.default)(typeof this.orderChannel === "number", "Invalid OrderChannel for ordered FrameSet");
stream.writeByte(this.orderChannel);
}
if (fragmented) {
stream.writeUnsignedInt(this.fragmentSize);
stream.writeUnsignedShort(this.fragmentId);
stream.writeUnsignedInt(this.fragmentIndex);
}
stream.write(this.content);
return stream;
}
getByteLength() {
return 3 + this.content.byteLength + (this.isReliable() ? 3 : 0) + (this.isSequenced() ? 3 : 0) + (this.isOrdered() ? 4 : 0) + (this.isFragmented() ? 10 : 0);
}
isReliable() {
return [
require_protocol_FrameReliability.FrameReliability.RELIABLE,
require_protocol_FrameReliability.FrameReliability.RELIABLE_ORDERED,
require_protocol_FrameReliability.FrameReliability.RELIABLE_SEQUENCED,
require_protocol_FrameReliability.FrameReliability.RELIABLE_WITH_ACK_RECEIPT,
require_protocol_FrameReliability.FrameReliability.RELIABLE_ORDERED_WITH_ACK_RECEIPT
].includes(this.reliability);
}
isSequenced() {
return [require_protocol_FrameReliability.FrameReliability.RELIABLE_SEQUENCED, require_protocol_FrameReliability.FrameReliability.UNRELIABLE_SEQUENCED].includes(this.reliability);
}
isOrdered() {
return [
require_protocol_FrameReliability.FrameReliability.UNRELIABLE_SEQUENCED,
require_protocol_FrameReliability.FrameReliability.RELIABLE_ORDERED,
require_protocol_FrameReliability.FrameReliability.RELIABLE_SEQUENCED,
require_protocol_FrameReliability.FrameReliability.RELIABLE_ORDERED_WITH_ACK_RECEIPT
].includes(this.reliability);
}
isOrderedExclusive() {
return [require_protocol_FrameReliability.FrameReliability.RELIABLE_ORDERED, require_protocol_FrameReliability.FrameReliability.RELIABLE_ORDERED_WITH_ACK_RECEIPT].includes(this.reliability);
}
isFragmented() {
return this.fragmentSize > 0;
}
};
//#endregion
exports.MAX_FRAME_BYTE_LENGTH = MAX_FRAME_BYTE_LENGTH;
exports.default = Frame;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"Frame.cjs.cjs","names":[],"sources":["../../src/protocol/Frame.ts"],"sourcesContent":["import BinaryStream from '@jsprismarine/jsbinaryutils';\nimport BitFlags from './BitFlags';\nimport FrameReliability from './FrameReliability';\nimport assert from 'assert';\n\n// https://github.com/facebookarchive/RakNet/blob/1a169895a900c9fc4841c556e16514182b75faf8/Source/ReliabilityLayer.cpp#L133\n// It's the maximum number of bytes a frameset can take. 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BitFlags.SPLIT : 0));\n        stream.writeUnsignedShort(this.content.byteLength << 3);\n\n        if (this.isReliable()) {\n            assert(typeof this.reliableIndex === 'number', 'Invalid ReliableIndex for reliable Frame');\n            stream.writeUnsignedTriadLE(this.reliableIndex);\n        }\n\n        if (this.isSequenced()) {\n            assert(typeof this.sequenceIndex === 'number', 'Invalid SequenceIndex for sequenced Frame');\n            stream.writeUnsignedTriadLE(this.sequenceIndex);\n        }\n\n        if (this.isOrdered()) {\n            assert(typeof this.orderIndex === 'number', 'Invalid OrderIndex for ordered Frame');\n            stream.writeUnsignedTriadLE(this.orderIndex);\n            assert(typeof this.orderChannel === 'number', 'Invalid OrderChannel for ordered FrameSet');\n            stream.writeByte(this.orderChannel);\n        }\n\n        if (fragmented) {\n            stream.writeUnsignedInt(this.fragmentSize);\n            stream.writeUnsignedShort(this.fragmentId);\n            stream.writeUnsignedInt(this.fragmentIndex);\n        }\n\n        stream.write(this.content);\n        return stream;\n    }\n\n    public getByteLength(): number {\n        return (\n            3 +\n            this.content.byteLength +\n            (this.isReliable() ? 3 : 0) +\n            (this.isSequenced() ? 3 : 0) +\n            (this.isOrdered() ? 4 : 0) +\n            (this.isFragmented() ? 10 : 0)\n        );\n    }\n\n    public isReliable(): boolean {\n        return [\n            FrameReliability.RELIABLE,\n            FrameReliability.RELIABLE_ORDERED,\n            FrameReliability.RELIABLE_SEQUENCED,\n            FrameReliability.RELIABLE_WITH_ACK_RECEIPT,\n            FrameReliability.RELIABLE_ORDERED_WITH_ACK_RECEIPT\n        ].includes(this.reliability);\n    }\n\n    public isSequenced(): boolean {\n        return [FrameReliability.RELIABLE_SEQUENCED, FrameReliability.UNRELIABLE_SEQUENCED].includes(this.reliability);\n    }\n\n    public isOrdered(): boolean {\n        return [\n            FrameReliability.UNRELIABLE_SEQUENCED,\n            FrameReliability.RELIABLE_ORDERED,\n            FrameReliability.RELIABLE_SEQUENCED,\n            FrameReliability.RELIABLE_ORDERED_WITH_ACK_RECEIPT\n        ].includes(this.reliability);\n    }\n\n    public isOrderedExclusive(): boolean {\n        return [FrameReliability.RELIABLE_ORDERED, FrameReliability.RELIABLE_ORDERED_WITH_ACK_RECEIPT].includes(\n            this.reliability\n        );\n    }\n\n    public isFragmented(): boolean {\n        return this.fragmentSize > 0;\n    }\n}\n"],"mappings":";;;;;;;;;;;;;AAOA,IAAa,wBAAwB;AAErC,IAAqB,QAArB,MAA2B;CACvB,cAAqB,kCAAA,iBAAiB;CAEtC,gBAAsC;CAEtC,gBAAsC;CAEtC,aAAmC;CACnC;CAEA,eAAsB;CACtB;CACA;CAEA;CAEA,WAAkB,QAA6B;EAC3C,MAAM,SAAS,OAAO,SAAS;EAC/B,KAAK,eAAe,SAAS,QAAS;EAGtC,MAAM,SAAS,KAAK,KAAK,OAAO,UAAU,IAAI,CAAC;EAE/C,IAAI,KAAK,WAAW,GAChB,KAAK,gBAAgB,OAAO,YAAY;EAG5C,IAAI,KAAK,YAAY,GACjB,KAAK,gBAAgB,OAAO,YAAY;EAG5C,IAAI,KAAK,UAAU,GAAG;GAClB,KAAK,aAAa,OAAO,YAAY;GACrC,KAAK,eAAe,OAAO,SAAS;EACxC;EAEA,KAAK,SAAS,0BAAA,SAAS,SAAS,GAAG;GAC/B,KAAK,eAAe,OAAO,QAAQ;GACnC,KAAK,aAAa,OAAO,UAAU;GACnC,KAAK,gBAAgB,OAAO,QAAQ;EACxC;EAEA,KAAK,UAAU,OAAO,KAAK,MAAM;EACjC,OAAO;CACX;CAEA,WAAgC;EAC5B,MAAM,SAAS,IAAI,4BAAA,QAAa;EAChC,MAAM,aAAa,KAAK,aAAa;EAErC,OAAO,UAAW,KAAK,eAAe,KAAM,aAAa,0BAAA,SAAS,QAAQ,EAAE;EAC5E,OAAO,mBAAmB,KAAK,QAAQ,cAAc,CAAC;EAEtD,IAAI,KAAK,WAAW,GAAG;GACnB,CAAA,GAAA,OAAA,SAAO,OAAO,KAAK,kBAAkB,UAAU,0CAA0C;GACzF,OAAO,qBAAqB,KAAK,aAAa;EAClD;EAEA,IAAI,KAAK,YAAY,GAAG;GACpB,CAAA,GAAA,OAAA,SAAO,OAAO,KAAK,kBAAkB,UAAU,2CAA2C;GAC1F,OAAO,qBAAqB,KAAK,aAAa;EAClD;EAEA,IAAI,KAAK,UAAU,GAAG;GAClB,CAAA,GAAA,OAAA,SAAO,OAAO,KAAK,eAAe,UAAU,sCAAsC;GAClF,OAAO,qBAAqB,KAAK,UAAU;GAC3C,CAAA,GAAA,OAAA,SAAO,OAAO,KAAK,iBAAiB,UAAU,2CAA2C;GACzF,OAAO,UAAU,KAAK,YAAY;EACtC;EAEA,IAAI,YAAY;GACZ,OAAO,iBAAiB,KAAK,YAAY;GACzC,OAAO,mBAAmB,KAAK,UAAU;GACzC,OAAO,iBAAiB,KAAK,aAAa;EAC9C;EAEA,OAAO,MAAM,KAAK,OAAO;EACzB,OAAO;CACX;CAEA,gBAA+B;EAC3B,OACI,IACA,KAAK,QAAQ,cACZ,KAAK,WAAW,IAAI,IAAI,MACxB,KAAK,YAAY,IAAI,IAAI,MACzB,KAAK,UAAU,IAAI,IAAI,MACvB,KAAK,aAAa,IAAI,KAAK;CAEpC;CAEA,aAA6B;EACzB,OAAO;GACH,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;EACrB,EAAE,SAAS,KAAK,WAAW;CAC/B;CAEA,cAA8B;EAC1B,OAAO,CAAC,kCAAA,iBAAiB,oBAAoB,kCAAA,iBAAiB,oBAAoB,EAAE,SAAS,KAAK,WAAW;CACjH;CAEA,YAA4B;EACxB,OAAO;GACH,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;GACjB,kCAAA,iBAAiB;EACrB,EAAE,SAAS,KAAK,WAAW;CAC/B;CAEA,qBAAqC;EACjC,OAAO,CAAC,kCAAA,iBAAiB,kBAAkB,kCAAA,iBAAiB,iCAAiC,EAAE,SAC3F,KAAK,WACT;CACJ;CAEA,eAA+B;EAC3B,OAAO,KAAK,eAAe;CAC/B;AACJ"}