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This commit is contained in:
Jack
2025-09-03 19:18:44 +01:00
parent eb620087c9
commit 695964a636
29 changed files with 631 additions and 571 deletions
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50
src/messages/packet.ts
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@@ -1,16 +1,16 @@
import { MAX_DATA_LENGTH } from '../common'
import { numberToUint16BE } from '../utilities/number'
import { SmartBuffer } from '../utilities/smart-buffer'
import { MAX_DATA_LENGTH } from "../common";
import { numberToUint16BE } from "../utilities/number";
import { SmartBuffer } from "../utilities/smart-buffer";
export interface IncomingPacket {
messageType: number
senderId: number
data: Uint8Array
messageType: number;
senderId: number;
data: Uint8Array;
}
export interface OutgoingPacket {
messageType: Uint8Array
data: Uint8Array
messageType: Uint8Array;
data: Uint8Array;
}
/**
@@ -18,19 +18,21 @@ export interface OutgoingPacket {
* @param outgoingPacket The message type and data to send.
* @returns A buffer containing the ready-to-send packet.
*/
export function packOutgoingPacket (outgoingPacket: OutgoingPacket): Uint8Array {
export function packOutgoingPacket(outgoingPacket: OutgoingPacket): Uint8Array {
// Verify that the data does not exceed the maximum data length.
if (outgoingPacket.data.length > MAX_DATA_LENGTH) {
throw RangeError(`Specified data of length ${outgoingPacket.data.length} exceeds max data length ${MAX_DATA_LENGTH}.`)
throw RangeError(
`Specified data of length ${outgoingPacket.data.length} exceeds max data length ${MAX_DATA_LENGTH}.`,
);
}
// Prepare the outgoing packet.
const buffer = new SmartBuffer()
buffer.writeBytes(outgoingPacket.messageType)
buffer.writeBytes(numberToUint16BE(outgoingPacket.data.length))
buffer.writeBytes(outgoingPacket.data)
const buffer = new SmartBuffer();
buffer.writeBytes(outgoingPacket.messageType);
buffer.writeBytes(numberToUint16BE(outgoingPacket.data.length));
buffer.writeBytes(outgoingPacket.data);
return buffer.data
return buffer.data;
}
/**
@@ -38,17 +40,19 @@ export function packOutgoingPacket (outgoingPacket: OutgoingPacket): Uint8Array
* @param incomingPacket The incoming buffer from a WebSocket to unpack.
* @returns The unpacked data.
*/
export function unpackIncomingPacket (incomingPacket: ArrayBuffer): IncomingPacket {
const buffer = SmartBuffer.from(incomingPacket)
export function unpackIncomingPacket(
incomingPacket: ArrayBuffer,
): IncomingPacket {
const buffer = SmartBuffer.from(incomingPacket);
const messageType = buffer.readUInt16()
const senderId = buffer.readUInt32()
const length = buffer.readUInt16()
const data = buffer.readBytes(length)
const messageType = buffer.readUInt16();
const senderId = buffer.readUInt32();
const length = buffer.readUInt16();
const data = buffer.readBytes(length);
return {
messageType: messageType,
senderId: senderId,
data: data
}
data: data,
};
}