public void EchoサーバにlineSendで1行送信してlineRecvで1行受信する()
{
//setUp
const string addr = "127.0.0.1";
const int port = 9993;
var sv = new EchoServer(addr, port);
sv.Start();
var sut = new SockTcp(new Kernel(), new Ip(addr), port, 100, null);
sut.LineSend(Encoding.UTF8.GetBytes("本日は晴天なり"));
Thread.Sleep(10);
var expected = "本日は晴天なり\r\n";
//exercise
var bytes = sut.LineRecv(1, this);
var actual = Encoding.UTF8.GetString(bytes);
//verify
Assert.That(actual, Is.EqualTo(expected));
//tearDown
sut.Close();
sv.Stop();
}
protected override string ConnectJob(SockTcp client, SockTcp server, List <byte[]> clientBuf)
{
//最初のグリーティングメッセージ取得
var buf = server.LineRecv(Timeout, this);
if (buf == null)
{
return(null);//タイムアウト
}
//EHLO送信
server.LineSend(clientBuf[0]);
clientBuf.RemoveAt(0);
//「250 OK」が返るまで読み飛ばす
while (IsLife())
{
buf = server.LineRecv(Timeout, this);
if (buf == null)
{
return(null);//タイムアウト
}
var str = Inet.TrimCrlf(Encoding.ASCII.GetString(buf));
if (str.ToUpper().IndexOf("250 ") == 0)
{
return(str);
}
}
return(null);
}
//接続単位の処理
override protected void OnSubThread(SockObj sockObj)
{
var client = (SockTcp)sockObj;
SockTcp server = null;
string _targetServer;
int _targetPort;
var clientBuf = new List <byte[]>();
_targetServer = (string)Conf.Get("targetServer");
_targetPort = (int)Conf.Get("targetPort");
if (_targetServer == "")
{
Logger.Set(LogKind.Error, client, 1, "");
goto end;
}
if (_targetPort == 0)
{
Logger.Set(LogKind.Error, client, 2, "");
goto end;
}
//***************************************************************
//前処理（接続先・ユーザの取得と特別なユーザの置換)
//***************************************************************
{
var keyWord = BeforeJob(client, clientBuf);//接続前の処理
if (keyWord == null)
{
goto end;
}
//特別なユーザにヒットしているかどうかの確認
OneSpecialUser oneSpecialUser = _specialUser.Search(keyWord);
if (oneSpecialUser != null) //ヒットした場合
//置換
{
_targetServer = oneSpecialUser.Server; //サーバ
_targetPort = oneSpecialUser.Port; //ポート番号
for (var i = 0; i < clientBuf.Count; i++)
{
//string str = Inet.TrimCRLF(Encoding.ASCII.GetString(clientBuf[i]));
var str = Encoding.ASCII.GetString(clientBuf[i]);
if ((Protocol == MailProxyProtocolKind.Smtp && str.ToUpper().IndexOf("MAIL FROM:") == 0) ||
(Protocol == MailProxyProtocolKind.Pop3 && str.ToUpper().IndexOf("USER") == 0))
{
str = Util.SwapStr(oneSpecialUser.Before, oneSpecialUser.After, str);
clientBuf[i] = Encoding.ASCII.GetBytes(str);
break;
}
}
Logger.Set(LogKind.Normal, client, 3, string.Format("{0}->{1} {2}:{3}", oneSpecialUser.Before, oneSpecialUser.After, _targetServer, _targetPort));
}
}
//***************************************************************
// サーバとの接続
//***************************************************************
{
var port = _targetPort;
//var ipList = new List<Ip>{new Ip(_targetServer)};
//if(ipList[0].ToString() == "0.0.0.0") {
// ipList = Kernel.DnsCache.Get(_targetServer);
// if(ipList.Count == 0) {
// Logger.Set(LogKind.Normal,client,4,string.Format("{0}:{1}",_targetServer,_targetPort));
// goto end;
// }
//}
var ipList = Kernel.GetIpList(_targetServer);
if (ipList.Count == 0)
{
Logger.Set(LogKind.Normal, client, 4, string.Format("{0}:{1}", _targetServer, _targetPort));
goto end;
}
foreach (var ip in ipList)
{
server = Inet.Connect(Kernel, ip, port, Timeout, null);
if (server != null)
{
break;
}
}
if (server == null)
{
Logger.Set(LogKind.Normal, client, 5, string.Format("{0}:{1}", _targetServer, _targetPort));
goto end;
}
if (null == ConnectJob(client, server, clientBuf))//接続後の処理
{
goto end;
}
}
Logger.Set(LogKind.Normal, client, 4, string.Format("connect {0}:{1}", _targetServer, _targetPort));
//***************************************************************
//後処理（接続先・ユーザの取得と特別なユーザの置換)
//***************************************************************
foreach (byte[] buf in clientBuf)
{
//Ver5.2.5
//byte[] serverBuf = server.LineRecv(timeout,OPERATE_CRLF.NO,ref life);
//クライアントからの受信分を送信する
server.LineSend(buf);
}
//***************************************************************
// パイプ
//***************************************************************
var tunnel = new Tunnel(Logger, (int)Conf.Get("idleTime"), Timeout);
tunnel.Pipe(server, client, this);
end:
if (client != null)
{
client.Close();
}
if (server != null)
{
server.Close();
}
}
