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perf: use cache in NapProto

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pk5ls20 2024-11-04 14:42:16 +08:00
parent c4e1a3ab04
commit 81dbb9d980
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GPG Key ID: 6370ED7A169F493A
1 changed files with 29 additions and 7 deletions
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36
src/core/packet/proto/NapProto.ts
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@ -91,15 +91,12 @@ export type NapProtoEncodeStructType<T> = NapProtoStructType<T, true>;
export type NapProtoDecodeStructType<T> = NapProtoStructType<T, false>;
const NapProtoMsgCache = new Map<ProtoMessageType, MessageType<NapProtoStructType<ProtoMessageType, boolean>>>();
export class NapProtoMsg<T extends ProtoMessageType> {
private readonly _msg: T;
class NapProtoRealMsg<T extends ProtoMessageType> {
private readonly _field: PartialFieldInfo[];
private readonly _proto_msg: MessageType<NapProtoStructType<T, boolean>>;
private static cache = new WeakMap<ProtoMessageType, NapProtoRealMsg<any>>();
constructor(fields: T) {
this._msg = fields;
private constructor(fields: T) {
this._field = Object.keys(fields).map(key => {
const field = fields[key];
if (field.kind === 'scalar') {
@ -122,13 +119,22 @@ export class NapProtoMsg<T extends ProtoMessageType> {
name: key,
kind: 'message',
repeat: field.repeat ? RepeatType.PACKED : RepeatType.NO,
T: () => new NapProtoMsg(field.type())._proto_msg,
T: () => NapProtoRealMsg.getInstance(field.type())._proto_msg,
};
}
}) as PartialFieldInfo[];
this._proto_msg = new MessageType<NapProtoStructType<T, boolean>>('nya', this._field);
}
static getInstance<T extends ProtoMessageType>(fields: T): NapProtoRealMsg<T> {
let instance = this.cache.get(fields);
if (!instance) {
instance = new NapProtoRealMsg(fields);
this.cache.set(fields, instance);
}
return instance;
}
encode(data: NapProtoEncodeStructType<T>): Uint8Array {
return this._proto_msg.toBinary(this._proto_msg.create(data as PartialMessage<NapProtoEncodeStructType<T>>));
}
@ -137,3 +143,19 @@ export class NapProtoMsg<T extends ProtoMessageType> {
return this._proto_msg.fromBinary(data) as NapProtoDecodeStructType<T>;
}
}
export class NapProtoMsg<T extends ProtoMessageType> {
private realMsg: NapProtoRealMsg<T>;
constructor(fields: T) {
this.realMsg = NapProtoRealMsg.getInstance(fields);
}
encode(data: NapProtoEncodeStructType<T>): Uint8Array {
return this.realMsg.encode(data);
}
decode(data: Uint8Array): NapProtoDecodeStructType<T> {
return this.realMsg.decode(data);
}
}