"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PromisedNetSockets = void 0;
const net_1 = require("net");
const socks_1 = require("socks");
const async_mutex_1 = require("async-mutex");
const ProxyUtil = require("@src/util/ProxyUtil");
const mutex = new async_mutex_1.Mutex();
const closeError = new Error("NetSocket was closed");


class PromisedNetSockets {
    constructor(proxy) {
        this.client = undefined;
        this.closed = true;
        this.stream = Buffer.alloc(0);
        if (!(proxy === null || proxy === void 0 ? void 0 : proxy.MTProxy)) {
            // we only want to use this when it's not an MTProto proxy.
            if (proxy) {
                if (!proxy.ip || !proxy.port || !proxy.socksType) {
                    throw new Error(`Invalid sockets params. ${proxy.ip}, ${proxy.port}, ${proxy.socksType}`);
                }
            }
            this.proxy = proxy;
        }
    }
    async readExactly(number) {
        let readData = Buffer.alloc(0);
        while (true) {
            const thisTime = await this.read(number);
            readData = Buffer.concat([readData, thisTime]);
            number = number - thisTime.length;
            if (!number) {
                return readData;
            }
        }
    }

    //
    async read(number) {
        if (this.closed) {
            throw closeError;
        }
        await this.canRead;
        if (this.closed) {
            throw closeError;
        }
        const toReturn = this.stream.slice(0, number);
        this.stream = this.stream.slice(number);
        if (this.stream.length === 0) {
            this.canRead = new Promise((resolve) => {
                this.resolveRead = resolve;
            });
        }
        return toReturn;
    }

    //
    async readAll() {
        if (this.closed || !(await this.canRead)) {
            throw closeError;
        }
        const toReturn = this.stream;
        this.stream = Buffer.alloc(0);
        this.canRead = new Promise((resolve) => {
            this.resolveRead = resolve;
        });
        return toReturn;
    }
    /**
     * Creates a new connection
     * @param port
     * @param ip
     * @returns {Promise<void>}
     */
    async connect(port, ip) {
        this.stream = Buffer.alloc(0);
        let connected = false;
        if (this.proxy) {
            try {
                const info = await socks_1.SocksClient.createConnection({
                    proxy: {
                        host: this.proxy.ip,
                        port: this.proxy.port,
                        type: this.proxy.socksType !== undefined
                            ? this.proxy.socksType
                            : 5,
                        userId: this.proxy.username,
                        password: this.proxy.password,
                    },
                    command: "connect",
                    timeout: (this.proxy.timeout || 5) * 1000,
                    destination: {
                        host: ip,
                        port: port,
                    },
                });
                this.client = info.socket;
                connected = true;
            }catch (e){
                console.log("代理源码报错");
                if(e){
                    console.log(e);
                }
                if(e.toString().indexOf("Proxy connection timed out")!==-1  || e.toString().indexOf("connect ECONNREFUSED") !== -1){
                    let proxyObj=await ProxyUtil.getInstance().getSocks5ByRandomCountry();
                    if(!proxyObj)return;
                    this.proxy={
                        ip:proxyObj.ip,
                        port:Number(proxyObj.port),
                    };
                    return this.connect(port,ip);
                }
            }
        }
        else {
            this.client = new net_1.Socket();
        }
        this.canRead = new Promise((resolve) => {
            this.resolveRead = resolve;
        });
        this.closed = false;
        return new Promise((resolve, reject) => {
            if (this.client) {
                if (connected) {
                    this.receive();
                    resolve(this);
                }
                else {
                    this.client.connect(port, ip, () => {
                        this.receive();
                        resolve(this);
                    });
                }
                this.client.on("error", (e)=>{
                    console.log("源码client报错")
                    if(e){
                        console.log(e.toString());
                    }
                });
                this.client.on("close", () => {
                    if (this.client && this.client.destroyed) {
                        if (this.resolveRead) {
                            this.resolveRead(false);
                        }
                        this.closed = true;
                    }
                });
            }
        });
    }

    //
    write(data) {
        if (this.closed) {
            throw closeError;
        }
        if (this.client) {
            try {
                this.client.write(data);
            }catch (e){
                console.log("write写流报错")
                if(e){
                    console.log(e.toString());
                }
            }
        }
    }

    //
    async close() {
        if (this.client) {
            await this.client.destroy();
            this.client.unref();
        }
        this.closed = true;
    }

    //
    async receive() {
        if (this.client) {
            this.client.on("data", async (message) => {
                const release = await mutex.acquire();
                try {
                    let data;
                    //CONTEST BROWSER
                    this.stream = Buffer.concat([this.stream, message]);
                    if (this.resolveRead) {
                        this.resolveRead(true);
                    }
                }
                finally {
                    release();
                }
            });
        }
    }
}
exports.PromisedNetSockets = PromisedNetSockets;
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