922 lines
24 KiB
C#
922 lines
24 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.IO.Compression;
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using System.Net;
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using System.Net.Security;
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using System.Net.Sockets;
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using System.Security.Authentication;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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namespace OnlySocketHttp
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{
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public class RequestAsync
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{
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public OnlySocketHttpResponseInfo resp;
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public bool isDone;
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public bool bIsSuccess => resp != null ? resp.bTimeOut : false;
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}
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public class OnlySocketHttpResponseInfo
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{
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public string host = "";//host主机头
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public string url = "";//pathAndQuery
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public int port = 80;
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public string request = "";
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public string encoding = "";
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public string header = "";
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public string body = "";
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public string reuqestBody = "";
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public string reuqestHeader = "";
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public Dictionary<string, string> headers = new Dictionary<string, string>();
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public string response = "";
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public string gzip = "";
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public int length = 0;
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public int code = 0;
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public int location = 0;
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public int runTime = 0;//获取网页消耗时间，毫秒
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public int sleepTime = 0;//休息时间
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public string cookies = "";
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public bool bTimeOut = false;
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}
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public class OnlySocketHttp
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{
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public const char T = '\n';
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public const string CT = "\r\n";
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public const string CTRL = "\r\n\r\n";
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public const string Content_Length_Str = "content-length: ";
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public const string Content_Length_Str_M = "Content-Length: ";
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public const string Content_Length = "content-length";
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public const string Content_Encoding = "content-encoding";
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public const string Transfer_Encoding = "transfer-encoding";
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public const string Connection = "connection";
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public static long index = 0;
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public static RequestAsync HttpRequestAsync(string url)
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{
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RequestAsync requestAsync = new RequestAsync();
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string strURI = url;
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string strHost = "";
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string strIP = "";
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string strPort = "";
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string strRelativePath = "";
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bool bSSL = false;
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bool foward_302 = true;
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if (!ParseURI(strURI, ref bSSL, ref strHost, ref strIP, ref strPort, ref strRelativePath))
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{
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requestAsync.isDone = true;
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requestAsync.resp = null;
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//URL 不合法 也可以处理成404
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return requestAsync;
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}
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int port;
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int.TryParse(strPort, out port);
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UnityEngine.Debug.Log($"strURI->{strURI}");
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UnityEngine.Debug.Log($"strHost->{strHost}");
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UnityEngine.Debug.Log($"strPort->{port}");
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UnityEngine.Debug.Log($"strRelativePath->{strRelativePath}");
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Thread thread = new Thread(
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() =>
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{
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// 构造HTTP请求报文
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string requestContent = $"GET {strRelativePath} HTTP/1.1\r\n" +
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$"Accept-Language: en-us\r\n" +
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$"Accept-Encoding: gzip,deflate\r\n" +
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$"Host: {strHost}\r\n" +
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"Connection: close\r\n" +
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"\r\n";
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try
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{
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OnlySocketHttpResponseInfo resp = OnlySocketHttp.sendRequestRetry(bSSL, 1, strHost, port, "",
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requestContent,
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5,
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"UTF-8",
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foward_302);
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requestAsync.resp = resp;
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requestAsync.isDone = true;
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}
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catch
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{
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requestAsync.resp = null;
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requestAsync.isDone = true;
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}
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});
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thread.Start();
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return requestAsync;
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}
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public static bool ParseURI(string strURI, ref bool bIsSSL, ref string strHost, ref string strIP, ref string strPort, ref string strRelativePath)
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{
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string strAddressRet;
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string strPortRet;
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string strRelativePathRet;
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string strIPRet;
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string strProtocol = strURI.Substring(0, 7);
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if (strProtocol != "http://")
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return false;
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bIsSSL = strURI.ToLower().StartsWith("https://");
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string strLeft = strURI.Substring(7, strURI.Length - 7);
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int nIndexPort = strLeft.IndexOf(':');
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if (nIndexPort == -1)
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{
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strPortRet = "80";
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int nIndexRelative = strLeft.IndexOf('/');
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if (nIndexRelative != -1)
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{
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strAddressRet = strLeft.Substring(0, nIndexRelative);
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strRelativePathRet = strLeft.Substring(nIndexRelative, strLeft.Length - nIndexRelative);
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}
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else
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return false;
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}
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else
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{
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strAddressRet = strLeft.Substring(0, nIndexPort);
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int nIndexRelative = strLeft.IndexOf('/');
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if (nIndexRelative != -1)
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{
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strPortRet = strLeft.Substring(nIndexPort + 1, nIndexRelative - (nIndexPort + 1));
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strRelativePathRet = strLeft.Substring(nIndexRelative, strLeft.Length - nIndexRelative);
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}
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else
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return false;
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}
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strHost = strAddressRet;
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try
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{
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IPHostEntry hostinfo = Dns.GetHostEntry(strAddressRet);
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IPAddress[] aryIP = hostinfo.AddressList;
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strIPRet = aryIP[0].ToString();
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}
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catch
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{
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return false;
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}
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strIP = strIPRet;
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strPort = strPortRet;
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strRelativePath = UrlEncode(strRelativePathRet);
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return true;
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}
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public static string UrlEncode(string str)
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{
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string sb = "";
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List<char> filter = new List<char>() { '!', '#', '$', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/', ':', ';', '=', '?', '@', '_', '~' };
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byte[] byStr = System.Text.Encoding.UTF8.GetBytes(str); //System.Text.Encoding.Default.GetBytes(str)
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for (int i = 0; i < byStr.Length; i++)
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{
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if (filter.Contains((char)byStr[i]))
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sb += (char)byStr[i];
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else if ((char)byStr[i] >= 'a' && (char)byStr[i] <= 'z')
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sb += (char)byStr[i];
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else if ((char)byStr[i] >= 'A' && (char)byStr[i] <= 'Z')
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sb += (char)byStr[i];
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else if ((char)byStr[i] >= '0' && (char)byStr[i] <= '9')
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sb += (char)byStr[i];
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else
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sb += (@"%" + Convert.ToString(byStr[i], 16));
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}
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return sb;
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}
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/**
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*
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发生异常尝试重连
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*
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*/
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public static OnlySocketHttpResponseInfo sendRequestRetry(Boolean isSSL, int tryCount, String host, int port, String payload, String request, int timeout, String encoding, Boolean foward_302)
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{
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int count = 0;
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Interlocked.Increment(ref index);
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OnlySocketHttpResponseInfo server = new OnlySocketHttpResponseInfo();
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timeout = timeout * 1000;
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while (true)
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{
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if (count >= tryCount) break;
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try
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{
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if (!isSSL)
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{
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server = sendHTTPRequest(count, host, port, payload, request, timeout, encoding, foward_302);
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return server;
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}
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else
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{
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server = sendHTTPSRequest(count, host, port, payload, request, timeout, encoding, foward_302);
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return server;
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}
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}
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catch (Exception e)
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{
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UnityEngine.Debug.Log("发包发生异常，正在重试----" + e.Message);
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server.bTimeOut = true;
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continue;
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}
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finally
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{
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count++;
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}
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}
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return server;
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}
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private static void checkContentLength(ref OnlySocketHttpResponseInfo server, ref String request)
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{
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//重新计算并设置Content-length
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int sindex = request.IndexOf(CTRL);
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server.reuqestHeader = request;
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if (sindex != -1)
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{
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server.reuqestHeader = request.Substring(0, sindex);
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server.reuqestBody = request.Substring(sindex + 4, request.Length - sindex - 4);
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int contentLength = Encoding.UTF8.GetBytes(server.reuqestBody).Length;
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String newContentLength = Content_Length_Str_M + contentLength;
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if (request.IndexOf(Content_Length_Str_M) != -1)
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{
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request = Regex.Replace(request, Content_Length_Str_M + "\\d+", newContentLength);
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}
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else
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{
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request = request.Insert(sindex, "\r\n" + newContentLength);
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}
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}
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else
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{
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request = Regex.Replace(request, Content_Length_Str + "\\d+", Content_Length_Str_M + "0");
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request += CTRL;
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}
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}
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private static void doHeader(ref OnlySocketHttpResponseInfo server, ref String[] headers)
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{
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for (int i = 0; i < headers.Length; i++)
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{
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if (i == 0)
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{
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server.code = Tools.convertToInt(headers[i].Split(' ')[1]);
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}
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else
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{
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String[] kv = Regex.Split(headers[i], ": ");
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String key = kv[0].ToLower();
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if (!server.headers.ContainsKey(key))
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{
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//自动识别编码
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if ("content-type".Equals(key))
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{
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String hecnode = getHTMLEncoding(kv[1], "");
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if (!String.IsNullOrEmpty(hecnode))
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{
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server.encoding = hecnode;
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}
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}
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if (kv.Length > 1)
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{
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server.headers.Add(key, kv[1]);
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}
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else
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{
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server.headers.Add(key, "");
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}
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}
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}
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}
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}
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private static OnlySocketHttpResponseInfo sendHTTPRequest(int count, String host, int port, String payload, String request, int timeout, String encoding, Boolean foward_302)
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{
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String index = Thread.CurrentThread.Name + OnlySocketHttp.index;
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Stopwatch sw = new Stopwatch();
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sw.Start();
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OnlySocketHttpResponseInfo server = new OnlySocketHttpResponseInfo();
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TcpClient clientSocket = null;
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int sum = 0;
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try
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{
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if (port > 0 && port <= 65556)
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{
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//编码处理
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server.request = request;
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TimeOutSocket tos = new TimeOutSocket();
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clientSocket = tos.Connect(host, port, timeout);
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if (sw.ElapsedMilliseconds >= timeout)
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{
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return server;
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}
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clientSocket.SendTimeout = timeout - tos.useTime;
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if (clientSocket.Connected)
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{
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checkContentLength(ref server, ref request);
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server.request = request;
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byte[] requestByte = Encoding.UTF8.GetBytes(request);
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clientSocket.Client.Send(requestByte);
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byte[] responseBody = new byte[1024 * 1000];
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int len = 0;
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//获取header头
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String tmp = "";
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StringBuilder sb = new StringBuilder();
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clientSocket.ReceiveTimeout = timeout - (int)sw.ElapsedMilliseconds;
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do
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{
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byte[] responseHeader = new byte[1];
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len = clientSocket.Client.Receive(responseHeader, 1, SocketFlags.None);
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if (len == 1)
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{
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char c = (char)responseHeader[0];
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sb.Append(c);
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if (c.Equals(T))
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{
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tmp = String.Concat(sb[sb.Length - 4], sb[sb.Length - 3], sb[sb.Length - 2], c);
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}
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}
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} while (!tmp.Equals(CTRL) && sw.ElapsedMilliseconds < timeout);
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server.header = sb.ToString().Replace(CTRL, "");
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String[] headers = Regex.Split(server.header, CT);
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if (headers != null && headers.Length > 0)
|
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{
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//处理header
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doHeader(ref server, ref headers);
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//自动修正编码
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if (!String.IsNullOrEmpty(server.encoding))
|
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{
|
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encoding = server.encoding;
|
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}
|
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Encoding encod = Encoding.GetEncoding(encoding);
|
||
|
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//302 301跳转
|
||
if ((server.code == 302 || server.code == 301) && foward_302)
|
||
{
|
||
StringBuilder rsb = new StringBuilder(server.request);
|
||
int urlStart = server.request.IndexOf(" ") + 1;
|
||
int urlEnd = server.request.IndexOf(" HTTP");
|
||
if (urlStart != -1 && urlEnd != -1)
|
||
{
|
||
String url = server.request.Substring(urlStart, urlEnd - urlStart);
|
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rsb.Remove(urlStart, url.Length);
|
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String location = server.headers["location"];
|
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if (!server.headers["location"].StartsWith("/") && !server.headers["location"].StartsWith("http"))
|
||
{
|
||
location = Tools.getCurrentPath(url) + location;
|
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}
|
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rsb.Insert(urlStart, location);
|
||
|
||
return sendHTTPRequest(count, host, port, payload, rsb.ToString(), timeout, encoding, false);
|
||
}
|
||
|
||
}
|
||
|
||
|
||
//根据请求头解析
|
||
if (server.headers.ContainsKey(Content_Length))
|
||
{
|
||
int length = int.Parse(server.headers[Content_Length]);
|
||
|
||
while (sum < length && sw.ElapsedMilliseconds < timeout)
|
||
{
|
||
int readsize = length - sum;
|
||
len = clientSocket.Client.Receive(responseBody, sum, readsize, SocketFlags.None);
|
||
if (len > 0)
|
||
{
|
||
sum += len;
|
||
}
|
||
}
|
||
}
|
||
//解析chunked传输
|
||
else if (server.headers.ContainsKey(Transfer_Encoding))
|
||
{
|
||
//读取长度
|
||
int chunkedSize = 0;
|
||
byte[] chunkedByte = new byte[1];
|
||
//读取总长度
|
||
sum = 0;
|
||
do
|
||
{
|
||
String ctmp = "";
|
||
do
|
||
{
|
||
len = clientSocket.Client.Receive(chunkedByte, 1, SocketFlags.None);
|
||
ctmp += Encoding.UTF8.GetString(chunkedByte);
|
||
|
||
} while ((ctmp.IndexOf(CT) == -1) && (sw.ElapsedMilliseconds < timeout));
|
||
|
||
chunkedSize = Tools.convertToIntBy16(ctmp.Replace(CT, ""));
|
||
|
||
//chunked的结束0\r\n\r\n是结束标志，单个chunked块\r\n结束
|
||
if (ctmp.Equals(CT))
|
||
{
|
||
continue;
|
||
}
|
||
if (chunkedSize == 0)
|
||
{
|
||
//结束了
|
||
break;
|
||
}
|
||
int onechunkLen = 0;
|
||
while (onechunkLen < chunkedSize && sw.ElapsedMilliseconds < timeout)
|
||
{
|
||
len = clientSocket.Client.Receive(responseBody, sum, chunkedSize - onechunkLen, SocketFlags.None);
|
||
if (len > 0)
|
||
{
|
||
onechunkLen += len;
|
||
sum += len;
|
||
}
|
||
}
|
||
|
||
//判断
|
||
} while (sw.ElapsedMilliseconds < timeout);
|
||
}
|
||
//connection close方式或未知body长度
|
||
else
|
||
{
|
||
while (sw.ElapsedMilliseconds < timeout)
|
||
{
|
||
if (clientSocket.Client.Poll(timeout, SelectMode.SelectRead))
|
||
{
|
||
if (clientSocket.Available > 0)
|
||
{
|
||
len = clientSocket.Client.Receive(responseBody, sum, (1024 * 200) - sum, SocketFlags.None);
|
||
if (len > 0)
|
||
{
|
||
sum += len;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
//判断是否gzip
|
||
if (server.headers.ContainsKey(Content_Encoding))
|
||
{
|
||
server.body = unGzip(responseBody, sum, encod);
|
||
}
|
||
else
|
||
{
|
||
server.body = encod.GetString(responseBody, 0, sum);
|
||
}
|
||
|
||
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
Exception ee = new Exception("HTTP发包错误！错误消息：" + e.Message + e.TargetSite.Name + "----发包编号：" + index);
|
||
throw ee;
|
||
}
|
||
finally
|
||
{
|
||
sw.Stop();
|
||
server.length = sum;
|
||
server.runTime = (int)sw.ElapsedMilliseconds;
|
||
if (clientSocket != null)
|
||
{
|
||
clientSocket.Close();
|
||
}
|
||
}
|
||
return server;
|
||
|
||
}
|
||
|
||
private static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
|
||
{
|
||
return true;
|
||
}
|
||
private static OnlySocketHttpResponseInfo sendHTTPSRequest(int count, String host, int port, String payload, String request, int timeout, String encoding, Boolean foward_302)
|
||
{
|
||
String index = Thread.CurrentThread.Name + OnlySocketHttp.index;
|
||
Stopwatch sw = new Stopwatch();
|
||
sw.Start();
|
||
OnlySocketHttpResponseInfo server = new OnlySocketHttpResponseInfo();
|
||
|
||
int sum = 0;
|
||
|
||
TcpClient clientSocket = null; ;
|
||
|
||
try
|
||
{
|
||
|
||
if (port > 0 && port <= 65556)
|
||
{
|
||
|
||
TimeOutSocket tos = new TimeOutSocket();
|
||
clientSocket = tos.Connect(host, port, timeout);
|
||
if (sw.ElapsedMilliseconds >= timeout)
|
||
{
|
||
return server;
|
||
}
|
||
clientSocket.SendTimeout = timeout - tos.useTime;
|
||
|
||
SslStream ssl = null;
|
||
if (clientSocket.Connected)
|
||
{
|
||
ssl = new SslStream(clientSocket.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate));
|
||
SslProtocols protocol = SslProtocols.Ssl3 | SslProtocols.Ssl2 | SslProtocols.Tls;
|
||
ssl.AuthenticateAsClient(host, null, protocol, false);
|
||
if (ssl.IsAuthenticated)
|
||
{
|
||
checkContentLength(ref server, ref request);
|
||
server.request = request;
|
||
byte[] requestByte = Encoding.UTF8.GetBytes(request);
|
||
ssl.Write(requestByte);
|
||
ssl.Flush();
|
||
}
|
||
}
|
||
server.request = request;
|
||
byte[] responseBody = new byte[1024 * 1000];
|
||
int len = 0;
|
||
//获取header头
|
||
String tmp = "";
|
||
|
||
StringBuilder sb = new StringBuilder();
|
||
StringBuilder bulider = new StringBuilder();
|
||
clientSocket.ReceiveTimeout = timeout - (int)sw.ElapsedMilliseconds;
|
||
do
|
||
{
|
||
byte[] responseHeader = new byte[1];
|
||
int read = ssl.ReadByte();
|
||
|
||
char c = (char)read;
|
||
sb.Append(c);
|
||
if (c.Equals(T))
|
||
{
|
||
tmp = String.Concat(sb[sb.Length - 4], sb[sb.Length - 3], sb[sb.Length - 2], c);
|
||
}
|
||
|
||
} while (!tmp.Equals(CTRL) && sw.ElapsedMilliseconds < timeout);
|
||
|
||
server.header = sb.ToString().Replace(CTRL, "");
|
||
String[] headers = Regex.Split(server.header, CT);
|
||
//处理header
|
||
doHeader(ref server, ref headers);
|
||
//自动修正编码
|
||
if (!String.IsNullOrEmpty(server.encoding))
|
||
{
|
||
encoding = server.encoding;
|
||
}
|
||
Encoding encod = Encoding.GetEncoding(encoding);
|
||
//302 301跳转
|
||
if ((server.code == 302 || server.code == 301) && foward_302)
|
||
{
|
||
|
||
int urlStart = server.request.IndexOf(" ");
|
||
int urlEnd = server.request.IndexOf(" HTTP");
|
||
if (urlStart != -1 && urlEnd != -1)
|
||
{
|
||
String url = server.request.Substring(urlStart + 1, urlEnd - urlStart - 1);
|
||
if (!server.headers["location"].StartsWith("/") && !server.headers["location"].StartsWith("https"))
|
||
{
|
||
server.request = server.request.Replace(url, Tools.getCurrentPath(url) + server.headers["location"]);
|
||
}
|
||
else
|
||
{
|
||
server.request = server.request.Replace(url, server.headers["location"]);
|
||
}
|
||
|
||
return sendHTTPSRequest(count, host, port, payload, server.request, timeout, encoding, false);
|
||
}
|
||
|
||
}
|
||
|
||
|
||
//根据请求头解析
|
||
if (server.headers.ContainsKey(Content_Length))
|
||
{
|
||
int length = int.Parse(server.headers[Content_Length]);
|
||
while (sum < length && sw.ElapsedMilliseconds < timeout)
|
||
{
|
||
len = ssl.Read(responseBody, sum, length - sum);
|
||
if (len > 0)
|
||
{
|
||
sum += len;
|
||
}
|
||
}
|
||
}
|
||
//解析chunked传输
|
||
else if (server.headers.ContainsKey(Transfer_Encoding))
|
||
{
|
||
//读取长度
|
||
int chunkedSize = 0;
|
||
byte[] chunkedByte = new byte[1];
|
||
//读取总长度
|
||
sum = 0;
|
||
do
|
||
{
|
||
String ctmp = "";
|
||
do
|
||
{
|
||
len = ssl.Read(chunkedByte, 0, 1);
|
||
ctmp += Encoding.UTF8.GetString(chunkedByte);
|
||
|
||
} while (ctmp.IndexOf(CT) == -1 && sw.ElapsedMilliseconds < timeout);
|
||
|
||
chunkedSize = Tools.convertToIntBy16(ctmp.Replace(CT, ""));
|
||
|
||
//chunked的结束0\r\n\r\n是结束标志，单个chunked块\r\n结束
|
||
if (ctmp.Equals(CT))
|
||
{
|
||
continue;
|
||
}
|
||
if (chunkedSize == 0)
|
||
{
|
||
//结束了
|
||
break;
|
||
}
|
||
int onechunkLen = 0;
|
||
|
||
while (onechunkLen < chunkedSize && sw.ElapsedMilliseconds < timeout)
|
||
{
|
||
len = ssl.Read(responseBody, sum, chunkedSize - onechunkLen);
|
||
if (len > 0)
|
||
{
|
||
onechunkLen += len;
|
||
sum += len;
|
||
}
|
||
}
|
||
|
||
//判断
|
||
} while (sw.ElapsedMilliseconds < timeout);
|
||
}
|
||
//connection close方式或未知body长度
|
||
else
|
||
{
|
||
while (sw.ElapsedMilliseconds < timeout)
|
||
{
|
||
if (clientSocket.Client.Poll(timeout, SelectMode.SelectRead))
|
||
{
|
||
if (clientSocket.Available > 0)
|
||
{
|
||
len = ssl.Read(responseBody, sum, (1024 * 200) - sum);
|
||
if (len > 0)
|
||
{
|
||
sum += len;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
//判断是否gzip
|
||
if (server.headers.ContainsKey(Content_Encoding))
|
||
{
|
||
server.body = unGzip(responseBody, sum, encod);
|
||
}
|
||
else
|
||
{
|
||
server.body = encod.GetString(responseBody, 0, sum);
|
||
}
|
||
}
|
||
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
Exception ee = new Exception("HTTPS发包错误！错误消息：" + e.Message + "----发包编号：" + index);
|
||
throw ee;
|
||
}
|
||
finally
|
||
{
|
||
sw.Stop();
|
||
server.length = sum;
|
||
server.runTime = (int)sw.ElapsedMilliseconds;
|
||
|
||
if (clientSocket != null)
|
||
{
|
||
clientSocket.Close();
|
||
}
|
||
}
|
||
return server;
|
||
|
||
}
|
||
|
||
public static String unGzip(byte[] data, int len, Encoding encoding)
|
||
{
|
||
|
||
String str = "";
|
||
MemoryStream ms = new MemoryStream(data, 0, len);
|
||
GZipStream gs = new GZipStream(ms, CompressionMode.Decompress);
|
||
MemoryStream outbuf = new MemoryStream();
|
||
byte[] block = new byte[1024];
|
||
|
||
try
|
||
{
|
||
|
||
while (true)
|
||
{
|
||
int bytesRead = gs.Read(block, 0, block.Length);
|
||
if (bytesRead <= 0)
|
||
{
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
outbuf.Write(block, 0, bytesRead);
|
||
}
|
||
}
|
||
str = encoding.GetString(outbuf.ToArray());
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
UnityEngine.Debug.Log("解压Gzip发生异常----" + e.Message);
|
||
}
|
||
finally
|
||
{
|
||
outbuf.Close();
|
||
gs.Close();
|
||
ms.Close();
|
||
|
||
}
|
||
return str;
|
||
|
||
}
|
||
public static String getHTMLEncoding(String header, String body)
|
||
{
|
||
if (String.IsNullOrEmpty(header) && String.IsNullOrEmpty(body))
|
||
{
|
||
return "";
|
||
}
|
||
body = body.ToUpper();
|
||
Match m = Regex.Match(header, @"charset\b\s*=\s*""?(?<charset>[^""]*)", RegexOptions.IgnoreCase);
|
||
if (m.Success)
|
||
{
|
||
return m.Groups["charset"].Value.ToUpper();
|
||
}
|
||
else
|
||
{
|
||
if (String.IsNullOrEmpty(body))
|
||
{
|
||
return "";
|
||
}
|
||
m = Regex.Match(body, @"charset\b\s*=\s*""?(?<charset>[^""]*)", RegexOptions.IgnoreCase);
|
||
if (m.Success)
|
||
{
|
||
return m.Groups["charset"].Value.ToUpper();
|
||
}
|
||
}
|
||
return "";
|
||
}
|
||
}
|
||
|
||
|
||
class TimeOutSocket
|
||
{
|
||
private bool IsConnectionSuccessful = false;
|
||
private Exception socketexception = null;
|
||
private ManualResetEvent TimeoutObject = new ManualResetEvent(false);
|
||
public int useTime = 0;
|
||
public TcpClient Connect(String host, int port, int timeoutMSec)
|
||
{
|
||
Stopwatch sw = new Stopwatch();
|
||
sw.Start();
|
||
TimeoutObject.Reset();
|
||
socketexception = null;
|
||
|
||
TcpClient tcpclient = new TcpClient();
|
||
|
||
tcpclient.BeginConnect(host, port, new AsyncCallback(CallBackMethod), tcpclient);
|
||
|
||
|
||
if (TimeoutObject.WaitOne(timeoutMSec, false))
|
||
{
|
||
if (IsConnectionSuccessful)
|
||
{
|
||
sw.Stop();
|
||
useTime = (int)sw.ElapsedMilliseconds;
|
||
return tcpclient;
|
||
}
|
||
else
|
||
{
|
||
throw socketexception;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
tcpclient.Close();
|
||
throw new TimeoutException("TimeOut Exception");
|
||
}
|
||
}
|
||
private void CallBackMethod(IAsyncResult asyncresult)
|
||
{
|
||
try
|
||
{
|
||
IsConnectionSuccessful = false;
|
||
TcpClient tcpclient = asyncresult.AsyncState as TcpClient;
|
||
|
||
if (tcpclient.Client != null)
|
||
{
|
||
tcpclient.EndConnect(asyncresult);
|
||
IsConnectionSuccessful = true;
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
IsConnectionSuccessful = false;
|
||
socketexception = ex;
|
||
}
|
||
finally
|
||
{
|
||
TimeoutObject.Set();
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
class Tools
|
||
{
|
||
public static long currentMillis()
|
||
{
|
||
return (long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 将16进制转换成10进制
|
||
/// </summary>
|
||
/// <param name="str">16进制字符串</param>
|
||
/// <returns></returns>
|
||
public static int convertToIntBy16(String str)
|
||
{
|
||
try
|
||
{
|
||
return Convert.ToInt32(str, 16);
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
|
||
}
|
||
return 0;
|
||
|
||
}
|
||
public static String getCurrentPath(String url)
|
||
{
|
||
int index = url.LastIndexOf("/");
|
||
|
||
if (index != -1)
|
||
{
|
||
return url.Substring(0, index) + "/";
|
||
}
|
||
else
|
||
{
|
||
return "";
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 将字符串转换成数字，错误返回0
|
||
/// </summary>
|
||
/// <param name="strs">字符串</param>
|
||
/// <returns></returns>
|
||
public static int convertToInt(String str)
|
||
{
|
||
|
||
try
|
||
{
|
||
return int.Parse(str);
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
UnityEngine.Debug.Log("info:-" + e.Message);
|
||
}
|
||
return 0;
|
||
|
||
}
|
||
|
||
}
|
||
} |