59 lines
1.2 KiB
TypeScript
59 lines
1.2 KiB
TypeScript
import { encode as encodeMP, decode as decodeMP } from "@msgpack/msgpack";
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export const CLIENT_PROTOCOL = "odynet-a1";
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interface ServerCmdHello {
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type: "Hello";
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server_name: string;
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protocol_ver: string;
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}
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interface ServerCmdError {
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type: "Error";
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error_msg: string;
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}
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type ServerMessage = ServerCmdHello | ServerCmdError;
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interface ClientCmdHello {
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type: "Hello";
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}
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type ClientMessage = ClientCmdHello;
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export enum ServerMessageCode {
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Hello = 0,
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Error = 1,
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}
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export enum ClientMessageCode {
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Hello = 0,
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}
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export function decode(data: ArrayBuffer): ServerMessage {
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const obj = decodeMP(data);
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const msgtype = parseInt(Object.keys(obj)[0], 10) as ServerMessageCode;
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const payload = obj[msgtype] as any[];
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switch (msgtype) {
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case ServerMessageCode.Hello:
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return {
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type: "Hello",
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server_name: payload[0],
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protocol_ver: payload[1],
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};
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case ServerMessageCode.Error:
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return { type: "Error", error_msg: payload[0] };
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}
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}
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export function encode(data: ClientMessage) {
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switch (data.type) {
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case "Hello":
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return encodeMP({ Hello: [] });
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}
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}
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export default {
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Hello: () => encode({ type: "Hello" }),
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};
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