/// <summary>
/// UDP 로 전달받은 메세지를 Client 로 알림
/// </summary>
/// <param name="userId">알림 받을 UserID</param>
/// <param name="message">알림 받을 메세지</param>
internal void SendMessageNotiftyToClient(byte[] messageBytes, string userId)
{
FACInfo facInfo = FACContainer.FindFACInfo(userId);
if (facInfo == null)
{
return;
}
SocketAsyncEventArgs sendEventArgs = facInfo.sendEventArgs;
if (sendEventArgs == null)
{
return;
}
/// 전문 By Pass
/// 버퍼로 복사
DataHoldingUserToken sendToken = (DataHoldingUserToken)sendEventArgs.UserToken;
sendToken.dataToSend = new byte[messageBytes.Length];
Buffer.BlockCopy(messageBytes, 0, sendToken.dataToSend, 0, messageBytes.Length);
this.SendMessage(sendEventArgs);
}
/// <summary>
/// Login 된 client 정보로 수정
/// </summary>
/// <param name="client">client socket (검색용)</param>
/// <param name="userId">등록할 UserID</param>
/// <param name="userName">등록할 User 이름</param>
public static bool Update(Socket client, string userId, string userName)
{
lock (FACContainer.LockThis)
{
/// 유효성 검사
EndPoint endPoint = client.RemoteEndPoint;
FACInfo facInfo = FACContainer.FindFACInfo(endPoint);
if (facInfo == null)
{
return(false);
}
/// 정보 수정
facInfo.USER_ID = userId;
facInfo.USER_NAME = userName;
// Dictionary Map 추가 (검색용)
if (FACContainer.Instance.FacMapList.ContainsKey(userId) == false)
{
List <EndPoint> mapEndPoint = new List <EndPoint>();
mapEndPoint.Add(endPoint);
FACContainer.Instance.FacMapList.Add(userId, mapEndPoint);
}
else
{
FACContainer.Instance.FacMapList[userId].Add(client.RemoteEndPoint);
}
return(true);
}
}
/// <summary>
/// 로그인
/// </summary>
private MessageStream MessageLogin(MessageReader reader, SocketAsyncEventArgs receiveSendEventArgs)
{
MessageStream response = null;
string user_id = reader.GetParam(0);
string user_pw = reader.GetParam(1);
string user_name = "";
string recv_faxbox_id = "";
string send_faxbox_id = "";
/// ipep.ToString() : 100.100.106.230:2038
/// ipep.Address.ToString() : 100.100.106.230
IPEndPoint ipep = (IPEndPoint)receiveSendEventArgs.AcceptSocket.RemoteEndPoint;
RESULT result = DbModule.Instance.FAS_LoginAgentClient(user_id, user_pw, ipep.ToString(), ref user_name, ref recv_faxbox_id, ref send_faxbox_id);
if (result == RESULT.F_DB_NOTEXIST_USER_ID ||
result == RESULT.F_DB_PASSWORD_MISMATCH)
{
response = MessageStream.Response(MessagePacketNameEnum.LOGIN, reader.Header, false, "사용자 ID가 없거나 암호가 잘못되었습니다.");
}
else if (result == RESULT.SUCCESS ||
result == RESULT.F_DB_LOGIN_DUPLICATED)
{
/// /CLOSE 전문 발송 (중복 로그인)
if (result == RESULT.F_DB_LOGIN_DUPLICATED)
{
FACInfo oldFacInfo = FACContainer.FindFACInfo(user_id);
if (oldFacInfo != null)
{
if (this.OnLoginDuplicated != null)
{
this.OnLoginDuplicated(oldFacInfo);
}
}
}
DataHoldingUserToken receiveSendToken = (receiveSendEventArgs.UserToken as DataHoldingUserToken);
/// Login 된 Client 로 추가
FACContainer.Update(receiveSendEventArgs.AcceptSocket, user_id, user_name);
response = MessageStream.Response(MessagePacketNameEnum.LOGIN, reader.Header, "성공");
response.AddPrameters(reader.GetParam(0));
response.AddPrameters(user_name);
response.AddPrameters(recv_faxbox_id);
response.AddPrameters(send_faxbox_id);
response.AddPrameters(((int)Config.CLIENT_ALIVE_INTERVAL).ToString());
response.AddPrameters(((int)Config.CLIENT_LIMIT_RESPONSE_TIME).ToString());
response.AddPrameters(Config.HOME_PATH_HTTP);
}
else
{
response = MessageStream.Response(MessagePacketNameEnum.LOGIN, reader.Header, false, result.ToString());
}
return(response);
}
/// <summary>
/// 지정시간동안 Client 요청이 없으면 강제 종료 처리
/// </summary>
private void AliveCheckSockets_ThreadEntry()
{
Dictionary <EndPoint, FACInfo> acceptedList;
//bool isalive = true;
while (true)
{
Thread.Sleep(1000 * 10);
lock (FACContainer.LockThis)
{
acceptedList = new Dictionary <EndPoint, FACInfo>(FACContainer.AcceptedList);
}
foreach (KeyValuePair <EndPoint, FACInfo> kvPair in acceptedList)
{
try
{
FACInfo info = FACContainer.FindFACInfo(kvPair.Key);
if (info == null)
{
continue;
}
if (Config.SERVER_LIMIT_RESPONSE_TIME > 0 &&
DateTime.Now.Subtract(info.LastRequestTime).TotalSeconds > Config.SERVER_LIMIT_RESPONSE_TIME)
{
// 종료 처리
SocketListener.Log.WRN(string.Format("AliveCheckSockets_ThreadEntry() : Arrive timeout. {0}/{1}"
, DateTime.Now.Subtract(info.LastRequestTime).TotalSeconds
, Config.SERVER_LIMIT_RESPONSE_TIME));
// 이미 삭제 되었을때 Exception 발생
if (info.Socket != null)
{
SocketListener.Log.WRN(string.Format("{0}|Socket Disconnect.", kvPair.Key.ToString()));
try { info.Socket.Disconnect(false); }
catch { }
}
FACContainer.Remove(info.recvEventArgs);
FACContainer.AcceptedList.Remove(kvPair.Key);
}
}
catch (Exception ex)
{
SocketListener.Log.ERR(string.Format("{0}|AliveCheckSockets_ThreadEntry() {1}\r\n{2}", kvPair.Key.ToString(), ex.Message, ex.StackTrace));
continue;
}
}
}
}
/// <summary>
/// UserID 로 접속한 client 찾기
/// </summary>
/// <param name="e">UserID</param>
/// <returns>FACInfo</returns>
public static FACInfo FindFACInfo(string userId)
{
lock (FACContainer.LockThis)
{
if (FACContainer.Instance.FacMapList.ContainsKey(userId) == false)
{
return(null);
}
// 첫번째 항목을 가져온다
return(FACContainer.FindFACInfo(FACContainer.Instance.FacMapList[userId][0]));
}
}
/// <summary>
/// SAEA 객체로 접속한 client 찾기
/// </summary>
/// <param name="e">Receive, Send SAEA 객체</param>
/// <returns>FACInfo</returns>
public static FACInfo FindFACInfo(SocketAsyncEventArgs e)
{
try
{
DataHoldingUserToken dToken = e.UserToken as DataHoldingUserToken;
if (dToken == null)
{
return(null);
}
EndPoint endPoint = dToken.IpEndPt;
return(FACContainer.FindFACInfo(endPoint));
}
catch
{
return(null);
}
////EndPoint endPoint = e.AcceptSocket.RemoteEndPoint;
////return FACContainer.FindFACInfo(endPoint);
////FACInfo fInfo = null;
////IPEndPoint ep = null;
//try
//{
// DataHoldingUserToken dToken = e.UserToken as DataHoldingUserToken;
// if (dToken != null)
// {
// ep = dToken.IpEndPt;
// }
// else
// {
// AcceptOpUserToken aToken = e.UserToken as AcceptOpUserToken;
// ep = aToken.IpEndPt;
// }
// EndPoint endPoint = ep;//e.AcceptSocket.RemoteEndPoint;
// fInfo = FACContainer.FindFACInfo(endPoint);
//}
//catch
//{
// fInfo = null;
//}
//return fInfo;
}
/// <summary>
/// 로그아웃
/// </summary>
private MessageStream MessageLogout(MessageReader reader, SocketAsyncEventArgs receiveSendEventArgs)
{
RESULT result = RESULT.EMPTY;
/// 등록된 user_id 와 IP endpoint 가 같은지 확인한다.
/// 다르다면 중복 로그인으로 로그아웃을 요청한 것이므로
/// 디비 처리를 하지 않는다.
string user_id = reader.GetParam(0);
EndPoint endPoint = receiveSendEventArgs.AcceptSocket.RemoteEndPoint;
EndPoint endPointComp = FACContainer.FindFACInfo(user_id).RemoteEndPoint;
if (endPointComp == null)
{
result = DbModule.Instance.FAS_LogoutAgentClient(reader.GetParam(0));
}
else
{
if (endPoint.ToString() == endPointComp.ToString())
{
result = DbModule.Instance.FAS_LogoutAgentClient(reader.GetParam(0));
}
else
{
result = RESULT.SUCCESS;
}
}
/// 성공 실패 처리
if (result == RESULT.SUCCESS)
{
return(MessageStream.Response(MessagePacketNameEnum.LOGOT, reader.Header, "성공", reader.GetParam(0)));
}
else
{
return(MessageStream.Response(MessagePacketNameEnum.LOGOT, reader.Header, false, "로그아웃 중 오류가 발생하였습니다."));
}
}
/// <summary>
/// Shutdown -> Close
/// </summary>
private bool CloseClientSocket(SocketAsyncEventArgs e)
{
try
{
SocketListener.Log.MSG(e, "Start Close FaxAgent.");
DataHoldingUserToken receiveSendToken = e.UserToken as DataHoldingUserToken;
if (receiveSendToken.dataToReceive != null)
{
receiveSendToken.CreateNewDataHolder();
}
// 로그아웃 처리
FACInfo facInfo = FACContainer.FindFACInfo(e);
if (facInfo != null)
{
// DB Logout 처리
if (FACContainer.LoginedList.Count > 0 && facInfo.USER_ID != "")
{
if (DbModule.Instance.FAS_LogoutAgentClient(facInfo.USER_ID) != Btfax.CommonLib.RESULT.SUCCESS)
{
SocketListener.Log.WRN(e, "Database Logout process failure");
}
else
{
SocketListener.Log.MSG(e, "Database Logout process success");
}
}
}
// socket close
try { e.AcceptSocket.Shutdown(SocketShutdown.Both); }
catch { }
if (e.AcceptSocket != null)
{
try {
e.AcceptSocket.Close();
e.AcceptSocket = null;
}
catch { };
}
if (facInfo != null)
{
this.poolOfRecvEventArgs.Push(facInfo.recvEventArgs);
this.poolOfSendEventArgs.Push(facInfo.sendEventArgs);
}
else
{
this.CreateNewSaeaForRecvSendOne();
SocketListener.Log.MSG(string.Format("CreateNewSaeaForRecvSendOne this.poolOfRecvEventArgs:{0}, this.poolOfSendEventArgs.Push{1}"
, this.poolOfRecvEventArgs.Count
, this.poolOfSendEventArgs.Count));
}
FACContainer.Remove(e);
// Accept count 감소
Interlocked.Decrement(ref this.numberOfAcceptedSockets);
this.theMaxConnectionsEnforcer.Release();
SocketListener.Log.MSG(e, string.Format("Close FaxAgent success."));
this.DisplayConnectionInfo();
return(true);
}
catch (Exception ex)
{
// Accept count 감소
Interlocked.Decrement(ref this.numberOfAcceptedSockets);
this.theMaxConnectionsEnforcer.Release();
SocketListener.Log.ERR(string.Format("CloseClientSocket : {0}\r\n{1}", ex.Message, ex.StackTrace));
return(false);
}
}
private void ProcessSend(SocketAsyncEventArgs sendEventArgs)
{
int nRemainingCnt = 0;
// 이벤트 검사
if (!ValidationCheckSocketAsyncEventArgs("ProcessSend", sendEventArgs))
{
return;
}
DataHoldingUserToken sendToken = sendEventArgs.UserToken as DataHoldingUserToken;
nRemainingCnt = sendToken.sendBytesRemainingCount;
if (nRemainingCnt <= 0)
{
SocketListener.Log.TRC(sendEventArgs, string.Format("ProcessSend : Invalid DataHoldingUserToken sendBytesRemainingCount count({0}).", sendToken.sendBytesRemainingCount));
return;
}
FACInfo facInfo = FACContainer.FindFACInfo(sendEventArgs);
if (facInfo == null)
{
SocketListener.Log.WRN(sendEventArgs, "ProcessSend : Not found FaxAgentInfo.");
return;
}
facInfo.LastResponseTime = DateTime.Now;
LOG_LEVEL logLv = LOG_LEVEL.MSG;
string packetName = m_Encoding.GetString(sendToken.dataToSend, 34, 5);
if (packetName == MessagePacketNameEnum.ALIVE.ToString())
{
logLv = LOG_LEVEL.TRC;
}
else
{
logLv = LOG_LEVEL.MSG;
}
// 패킷 로그
SocketListener.Log.LogWrite(logLv,
"SEND ",
sendEventArgs.AcceptSocket.RemoteEndPoint.ToString(),
sendEventArgs.AcceptSocket.Handle.ToInt32(),
sendToken.TokenId,
sendToken.dataToSend.Length,
m_Encoding.GetString(sendToken.dataToSend));
sendToken.sendBytesRemainingCount = sendToken.sendBytesRemainingCount - sendEventArgs.BytesTransferred;
sendToken.bytesSentAlreadyCount += sendEventArgs.BytesTransferred;
// send async
StartSend(sendEventArgs);
if (packetName == MessagePacketNameEnum.LOGIN.ToString())
{
this.DisplayConnectionInfo();
}
}
private void ProcessReceive(SocketAsyncEventArgs recvEventArgs)
{
DataHoldingUserToken recvToken = recvEventArgs.UserToken as DataHoldingUserToken;
// 이벤트 검사
if (!ValidationCheckSocketAsyncEventArgs("ProcessReceive", recvEventArgs))
{
recvToken.Reset();
this.CloseClientSocket(recvEventArgs);
return;
}
try
{
if (recvEventArgs.BytesTransferred == 0)
{
SocketListener.Log.WRN(recvEventArgs, "RecvEventArgs.BytesTransferred is zero. !!");
recvToken.Reset();
this.CloseClientSocket(recvEventArgs);
return;
}
FACInfo facInfo = FACContainer.FindFACInfo(recvEventArgs);
if (facInfo == null)
{
SocketListener.Log.ERR(recvEventArgs, "Not found facinfo.");
recvToken.Reset();
return;
}
facInfo.LastRequestTime = DateTime.Now;
Int32 remainingBytesToProcess = recvEventArgs.BytesTransferred;
if (recvToken.receivedPrefixBytesDoneCount < this.socketListenerSettings.ReceivePrefixLength)
{
/// 공통 전문 첫 컬럼 (전문길이) 읽기
remainingBytesToProcess = prefixHandler.HandlePrefix(recvEventArgs, recvToken, remainingBytesToProcess);
if (remainingBytesToProcess == 0)
{
SocketListener.Log.WRN(recvEventArgs, "RemainingBytesToProcess is zero. !!");
StartReceive(recvEventArgs);
return;
}
}
// 전문길이만큼 전문 읽기
bool incomingTcpMessageIsReady = messageHandler.HandleMessage(recvEventArgs, recvToken, remainingBytesToProcess);
if (incomingTcpMessageIsReady == true)
{
SocketAsyncEventArgs sendEventArgs = facInfo.sendEventArgs;
if (recvEventArgs == null)
{
recvToken.Reset();
//CloseClientSocket(recvEventArgs);
return;
}
LOG_LEVEL logLv = LOG_LEVEL.MSG;
string packetName = m_Encoding.GetString(recvToken.dataToReceive, 34, 5);
if (packetName == MessagePacketNameEnum.ALIVE.ToString())
{
logLv = LOG_LEVEL.TRC;
}
else
{
logLv = LOG_LEVEL.MSG;
}
// 패킷 로그
SocketListener.Log.LogWrite(logLv,
"RECEIVE ",
recvEventArgs.AcceptSocket.RemoteEndPoint.ToString(),
recvEventArgs.AcceptSocket.Handle.ToInt32(),
recvToken.TokenId,
recvToken.dataToReceive.Length,
m_Encoding.GetString(recvToken.dataToReceive));
// 응답 전문 보내기
this.SendMessageToClient(sendEventArgs);
}
else
{
recvToken.receiveMessageOffset = recvToken.bufferOffsetReceive;
recvToken.recPrefixBytesDoneThisOp = 0;
}
StartReceive(recvEventArgs);
}
catch (Exception ex)
{
SocketListener.Log.ERR(recvEventArgs, string.Format("ProcessReceive : {0}", ex.Message));
recvToken.Reset();
}
}
private void ProcessAccept(SocketAsyncEventArgs acceptEventArgs)
{
// 이벤트 검사
if (!ValidationCheckSocketAsyncEventArgs("ProcessAccept", acceptEventArgs))
{
this.StartAccept();
this.HandleBadAccept(acceptEventArgs);
return;
}
// 최대 접속자 수 설정
Int32 max = this.maxSimultaneousClientsThatWereConnected;
Int32 numberOfConnectedSockets = Interlocked.Increment(ref this.numberOfAcceptedSockets);
if (numberOfConnectedSockets > max)
{
Interlocked.Increment(ref this.maxSimultaneousClientsThatWereConnected);
}
// 다음 소켓 이벤트 대기 처리 : acceptEventArgs -> recvEventArgs, sendEventArgs
StartAccept();
SocketListener.Log.MSG(acceptEventArgs, string.Format("Start accept processing !! poolOfAcceptEventArgs:{0}, poolOfRecvEventArgs:{1}, poolOfSendEventArgs:{2}"
, this.poolOfAcceptEventArgs.Count
, this.poolOfRecvEventArgs.Count
, this.poolOfSendEventArgs.Count));
try
{
// Accept 된 Client 로 추가 : acceptEventArgs -> recvEventArgs, sendEventArgs
if (this.poolOfRecvEventArgs.Count <= 1 || this.poolOfSendEventArgs.Count <= 1)
{
this.CreateNewSaeaForRecvSendOne();
}
AcceptOpUserToken aToken = acceptEventArgs.UserToken as AcceptOpUserToken;
SocketAsyncEventArgs recvEventArgs = null;
SocketAsyncEventArgs sendEventArgs = null;
while (true)
{
recvEventArgs = this.poolOfRecvEventArgs.Pop();
sendEventArgs = this.poolOfSendEventArgs.Pop();
if (recvEventArgs.Buffer == null || sendEventArgs.Buffer == null)
{
DataHoldingUserToken dToken = recvEventArgs.UserToken as DataHoldingUserToken;
if (dToken != null)
{
this.theBufferManager.SetBuffer(dToken.BufferOffsetRecv, recvEventArgs);
SocketListener.Log.WRN(string.Format("Receive SocketAsyncEventArgs buffer is null. reset buffer. Reuse later!! token:{0}, token_offset:{1}, recv_offset:{2}", dToken.TokenId, dToken.BufferOffsetRecv, recvEventArgs.Offset));
}
dToken = sendEventArgs.UserToken as DataHoldingUserToken;
if (dToken != null)
{
this.theBufferManager.SetBuffer(dToken.BufferOffsetSend, sendEventArgs);
SocketListener.Log.WRN(string.Format("Send SocketAsyncEventArgs buffer is null. reset buffer. Reuse later!! token:{0}, token_offset:{1}, send_offset:{2}", dToken.TokenId, dToken.BufferOffsetSend, sendEventArgs.Offset));
}
this.poolOfRecvEventArgs.Push(recvEventArgs);
this.poolOfSendEventArgs.Push(sendEventArgs);
continue;
}
break;
}
InitSocketAsyncEventArgs(ref recvEventArgs);
InitSocketAsyncEventArgs(ref sendEventArgs);
SocketListener.Log.MSG(string.Format("Start accept processing !! SocketAsyncEventArgs buffer offset. recv_offset:{0}, send_offset:{1}", recvEventArgs.Offset, sendEventArgs.Offset));
(recvEventArgs.UserToken as DataHoldingUserToken).CreateSessionId();
(recvEventArgs.UserToken as DataHoldingUserToken).RemoteIp = aToken.RemoteIp;
(recvEventArgs.UserToken as DataHoldingUserToken).RemotePort = aToken.RemotePort;
(recvEventArgs.UserToken as DataHoldingUserToken).IpEndPt = aToken.IpEndPt;
(sendEventArgs.UserToken as DataHoldingUserToken).CreateSessionId();
(sendEventArgs.UserToken as DataHoldingUserToken).RemoteIp = aToken.RemoteIp;
(sendEventArgs.UserToken as DataHoldingUserToken).RemotePort = aToken.RemotePort;
(sendEventArgs.UserToken as DataHoldingUserToken).IpEndPt = aToken.IpEndPt;
recvEventArgs.AcceptSocket = acceptEventArgs.AcceptSocket;
//recvEventArgs.SocketError = acceptEventArgs.SocketError;
sendEventArgs.AcceptSocket = acceptEventArgs.AcceptSocket;
//sendEventArgs.SocketError = sendEventArgs.SocketError;
(recvEventArgs.UserToken as DataHoldingUserToken).socketHandleNumber = (Int32)recvEventArgs.AcceptSocket.Handle;
(sendEventArgs.UserToken as DataHoldingUserToken).socketHandleNumber = (Int32)sendEventArgs.AcceptSocket.Handle;
// 이벤트 반납
aToken.RemoteIp = "";
aToken.RemotePort = 0;
aToken.IpEndPt = null;
acceptEventArgs.AcceptSocket = null;
this.poolOfAcceptEventArgs.Push(acceptEventArgs);
string strMsg;
FACContainer.AddEx(recvEventArgs.AcceptSocket, recvEventArgs, sendEventArgs, out strMsg);
if (!string.IsNullOrEmpty(strMsg))
{
SocketListener.Log.WRN(recvEventArgs, string.Format("FACContainer AddEx - {0}!!", strMsg));
}
this.DisplayConnectionInfo();
/// Accept 알림 보내기
SendMessageToClient(sendEventArgs, MessagePacketNameEnum.ACCPT);
/// 수신 대기
StartReceive(recvEventArgs);
}
catch (Exception ex)
{
// REMOVE - KIMCG : 20140827
// Exception 발생시 재귀 호출로인해 Accept pool 에서 이벤트가 빠진다. -> 추후 이벤트 부족으로 작업불가함.
// StartAccept();
// HandleBadAccept(acceptEventArgs);
// REMOVE - END
SocketListener.Log.ERR(string.Format("ProcessAccept - message:{0}\r\nstac_trace:{1}\r\nsource:{2}", ex.Message, ex.StackTrace, ex.Source));
}
}