private string m_UserName = ""; // Holds loggedIn UserName.
#endregion Fields
#region Constructors
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="clientSocket">Referance to socket.</param>
/// <param name="server">Referance to FTP server.</param>
/// <param name="sessionID">Session ID which is assigned to this session.</param>
/// <param name="logWriter">Log writer.</param>
public FTP_Session(Socket clientSocket,FTP_Server server,string sessionID,_LogWriter logWriter)
{
m_pSocket = new BufferedSocket(clientSocket);
m_pServer = server;
m_SessionID = sessionID;
m_pLogWriter = logWriter;
m_SessionStartTime = DateTime.Now;
m_LastDataTime = DateTime.Now;
m_pSocket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.NoDelay,1);
// Start session proccessing
StartSession();
}
/// <summary>
/// Reads specified count of data from Socket.
/// </summary>
/// <param name="socket"></param>
/// <param name="count">Number of bytes to read.</param>
/// <param name="storeStrm"></param>
/// <param name="storeToStream">If true stores readed data to stream, otherwise just junks specified amount of data.</param>
/// <param name="cmdIdleTimeOut"></param>
/// <returns></returns>
public static ReadReplyCode ReadData(BufferedSocket socket, long count, Stream storeStrm, bool storeToStream, int cmdIdleTimeOut)
{
ReadReplyCode replyCode = ReadReplyCode.Ok;
try{
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, cmdIdleTimeOut);
long readedCount = 0;
while (readedCount < count)
{
byte[] b = new byte[4000];
// Ensure that we don't get more data than needed
if ((count - readedCount) < 4000)
{
b = new byte[count - readedCount];
}
int countRecieved = socket.Receive(b);
if (countRecieved > 0)
{
readedCount += countRecieved;
if (storeToStream)
{
storeStrm.Write(b, 0, countRecieved);
}
}
// Client disconnected
else
{
throw new Exception("Client disconnected");
}
}
}
catch (Exception x) {
replyCode = ReadReplyCode.UnKnownError;
if (x is SocketException)
{
SocketException xS = (SocketException)x;
if (xS.ErrorCode == 10060)
{
replyCode = ReadReplyCode.TimeOut;
}
}
}
return(replyCode);
}
private string m_UserName = ""; // Holds loggedIn UserName.
#endregion Fields
#region Constructors
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="clientSocket">Referance to socket.</param>
/// <param name="server">Referance to IMAP server.</param>
/// <param name="logWriter">Log writer.</param>
internal IMAP_Session(Socket clientSocket,IMAP_Server server,_LogWriter logWriter)
{
m_pSocket = new BufferedSocket(clientSocket);
m_pServer = server;
m_pLogWriter = logWriter;
m_SessionID = Guid.NewGuid().ToString();
m_SessionStartTime = DateTime.Now;
m_LastDataTime = DateTime.Now;
m_pSocket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.NoDelay,1);
// Start session proccessing
StartSession();
}
private string m_UserName = ""; // Holds loggedIn UserName.
#endregion Fields
#region Constructors
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="clientSocket">Referance to socket.</param>
/// <param name="server">Referance to SMTP server.</param>
/// <param name="logWriter">Log writer.</param>
internal SMTP_Session(Socket clientSocket,SMTP_Server server,_LogWriter logWriter)
{
m_pSocket = new BufferedSocket(clientSocket);
m_pServer = server;
m_pLogWriter = logWriter;
m_pMsgStream = new MemoryStream();
m_SessionID = Guid.NewGuid().ToString();
m_BodyType = BodyType.x7_bit;
m_Forward_path = new Hashtable();
m_CmdValidator = new SMTP_Cmd_Validator();
m_SessionStart = DateTime.Now;
m_LastDataTime = DateTime.Now;
m_pSocket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.NoDelay,1);
// Start session proccessing
StartSession();
}
private string m_UserName = ""; // Holds loggedIn UserName.
#endregion Fields
#region Constructors
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="clientSocket">Referance to socket.</param>
/// <param name="server">Referance to IMAP server.</param>
/// <param name="logWriter">Log writer.</param>
internal IMAP_Session(Socket clientSocket,IMAP_Server server,SocketLogger logWriter)
{
m_pSocket = new BufferedSocket(clientSocket);
m_pServer = server;
m_SessionID = Guid.NewGuid().ToString();
m_SessionStartTime = DateTime.Now;
m_LastDataTime = DateTime.Now;
if(m_pServer.LogCommands){
m_pSocket.Logger = logWriter;
m_pSocket.Logger.SessionID = m_SessionID;
}
m_pSocket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.NoDelay,1);
m_pSocket.Activity += new EventHandler(OnSocketActivity);
// Start session proccessing
StartSession();
}
/// <summary>
/// Reads reply from socket.
/// </summary>
/// <param name="socket"></param>
/// <param name="replyData">Data that has been readen from socket.</param>
/// <param name="maxLength">Maximum Length of data which may read.</param>
/// <param name="cmdIdleTimeOut">Command idle time out in milliseconds.</param>
/// <param name="terminator">Terminator string which terminates reading. eg '\r\n'.</param>
/// <param name="removeFromEnd">Removes following string from reply.NOTE: removes only if ReadReplyCode is Ok.</param>
/// <returns>Return reply code.</returns>
public static ReadReplyCode ReadData(BufferedSocket socket,out MemoryStream replyData,int maxLength,int cmdIdleTimeOut,string terminator,string removeFromEnd)
{
ReadReplyCode replyCode = ReadReplyCode.Ok;
replyData = null;
try{
socket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.ReceiveTimeout,cmdIdleTimeOut);
replyData = new MemoryStream();
_FixedStack stack = new _FixedStack(terminator);
int nextReadWriteLen = 1;
while(nextReadWriteLen > 0){
//Read byte(s)
byte[] b = new byte[nextReadWriteLen];
int countRecieved = socket.Receive(b);
if(countRecieved > 0){
// Write byte(s) to buffer, if length isn't exceeded.
if(replyCode != ReadReplyCode.LengthExceeded){
replyData.Write(b,0,countRecieved);
}
// Write to stack(terminator checker)
nextReadWriteLen = stack.Push(b,countRecieved);
//---- Check if maximum length is exceeded ---------------------------------//
if(replyCode != ReadReplyCode.LengthExceeded && replyData.Length > maxLength){
replyCode = ReadReplyCode.LengthExceeded;
}
//--------------------------------------------------------------------------//
}
// Client disconnected
else{
throw new Exception("Client disconnected");
}
}
// If reply is ok then remove chars if any specified by 'removeFromEnd'.
if(replyCode == ReadReplyCode.Ok && removeFromEnd.Length > 0){
replyData.SetLength(replyData.Length - removeFromEnd.Length);
}
}
catch(Exception x){
replyCode = ReadReplyCode.UnKnownError;
if(x is SocketException){
SocketException xS = (SocketException)x;
if(xS.ErrorCode == 10060){
replyCode = ReadReplyCode.TimeOut;
}
}
}
return replyCode;
}
/// <summary>
/// Reads specified count of data from Socket.
/// </summary>
/// <param name="socket"></param>
/// <param name="count">Number of bytes to read.</param>
/// <param name="storeStrm"></param>
/// <param name="storeToStream">If true stores readed data to stream, otherwise just junks specified amount of data.</param>
/// <param name="cmdIdleTimeOut"></param>
/// <returns></returns>
public static ReadReplyCode ReadData(BufferedSocket socket,long count,Stream storeStrm,bool storeToStream,int cmdIdleTimeOut)
{
ReadReplyCode replyCode = ReadReplyCode.Ok;
try{
socket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.ReceiveTimeout,cmdIdleTimeOut);
long readedCount = 0;
while(readedCount < count){
byte[] b = new byte[4000];
// Ensure that we don't get more data than needed
if((count - readedCount) < 4000){
b = new byte[count - readedCount];
}
int countRecieved = socket.Receive(b);
if(countRecieved > 0){
readedCount += countRecieved;
if(storeToStream){
storeStrm.Write(b,0,countRecieved);
}
}
// Client disconnected
else{
throw new Exception("Client disconnected");
}
}
}
catch(Exception x){
replyCode = ReadReplyCode.UnKnownError;
if(x is SocketException){
SocketException xS = (SocketException)x;
if(xS.ErrorCode == 10060){
replyCode = ReadReplyCode.TimeOut;
}
}
}
return replyCode;
}
/*
* /// <summary>
* /// Reads specified count of data from Socket.
* /// </summary>
* /// <param name="socket"></param>
* /// <param name="count">Number of bytes to read.</param>
* /// <param name="storeStrm"></param>
* /// <param name="storeToStream">If true stores readed data to stream, otherwise just junks data.</param>
* /// <param name="cmdIdleTimeOut"></param>
* /// <returns></returns>
* public static ReadReplyCode ReadData(Socket socket,long count,Stream storeStrm,bool storeToStream,int cmdIdleTimeOut)
* {
* ReadReplyCode replyCode = ReadReplyCode.Ok;
*
* try{
* socket.SetSocketOption(SocketOptionLevel.Socket,SocketOptionName.ReceiveTimeout,cmdIdleTimeOut);
*
* long readedCount = 0;
* while(readedCount < count){
* byte[] b = new byte[4000];
* // Ensure that we don't get more data than needed !!!
* if((count - readedCount) < 4000){
* b = new byte[count - readedCount];
* }
*
* int countRecieved = socket.Receive(b);
* if(countRecieved > 0){
* readedCount += countRecieved;
*
* if(storeToStream){
* storeStrm.Write(b,0,countRecieved);
* }
* }
* // Client disconnected
* else{
* throw new Exception("Client disconnected");
* }
* }
* }
* catch(Exception x){Console.WriteLine(x.Message);
* replyCode = ReadReplyCode.UnKnownError;
* }
*
* return replyCode;
* }
*/
#endregion
#region method ReadData
/// <summary>
/// Reads reply from socket.
/// </summary>
/// <param name="socket"></param>
/// <param name="replyData">Data that has been readen from socket.</param>
/// <param name="maxLength">Maximum Length of data which may read.</param>
/// <param name="cmdIdleTimeOut">Command idle time out in milliseconds.</param>
/// <param name="terminator">Terminator string which terminates reading. eg '\r\n'.</param>
/// <param name="removeFromEnd">Removes following string from reply.NOTE: removes only if ReadReplyCode is Ok.</param>
/// <returns>Return reply code.</returns>
public static ReadReplyCode ReadData(BufferedSocket socket, out MemoryStream replyData, int maxLength, int cmdIdleTimeOut, string terminator, string removeFromEnd)
{
ReadReplyCode replyCode = ReadReplyCode.Ok;
replyData = null;
try{
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, cmdIdleTimeOut);
replyData = new MemoryStream();
_FixedStack stack = new _FixedStack(terminator);
int nextReadWriteLen = 1;
while (nextReadWriteLen > 0)
{
//Read byte(s)
byte[] b = new byte[nextReadWriteLen];
int countRecieved = socket.Receive(b);
if (countRecieved > 0)
{
// Write byte(s) to buffer, if length isn't exceeded.
if (replyCode != ReadReplyCode.LengthExceeded)
{
replyData.Write(b, 0, countRecieved);
}
// Write to stack(terminator checker)
nextReadWriteLen = stack.Push(b, countRecieved);
//---- Check if maximum length is exceeded ---------------------------------//
if (replyCode != ReadReplyCode.LengthExceeded && replyData.Length > maxLength)
{
replyCode = ReadReplyCode.LengthExceeded;
}
//--------------------------------------------------------------------------//
}
// Client disconnected
else
{
throw new Exception("Client disconnected");
}
}
// If reply is ok then remove chars if any specified by 'removeFromEnd'.
if (replyCode == ReadReplyCode.Ok && removeFromEnd.Length > 0)
{
replyData.SetLength(replyData.Length - removeFromEnd.Length);
}
}
catch (Exception x) {
replyCode = ReadReplyCode.UnKnownError;
if (x is SocketException)
{
SocketException xS = (SocketException)x;
if (xS.ErrorCode == 10060)
{
replyCode = ReadReplyCode.TimeOut;
}
}
}
return(replyCode);
}