Hi all,
What is my requirement is i want to get the TCPIP data from TCP Port.I had
written the code in c#.Net.What i had written the code is pasted below.what
i written the code is correct or not according to my requirement.Usi ng this
code i didn't get any TCPIP pcakects data.Any one can modify my code or my
way of approach is wrong,please tell me.
Your suggestions ar kindly accepted.
Thanks in advance.
public class TcpData
{
private TcpListener tcpListener;
private int Port;
private string UrlStr;
// private StringCollectio n quotes;
// private Random random;
private Thread listenerThread;
private TcpClient tcpClient;
private NetworkStream netStream;
public TcpData()
{
//
// TODO: Add constructor logic here
//
}
public TcpData(String Url,int port)
{
this.UrlStr=Url ;
this.Port=port;
}
public void Start()
{
try
{
listenerThread= new Thread(new ThreadStart(thi s.Listener));
listenerThread. Start();
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
tcpListener.Sta rt();
while(true)
{
tcpClient=tcpLi stener.AcceptTc pClient();
netStream=tcpCl ient.GetStream( );
if(netStream.Ca nRead)
{
// Reads NetworkStream into a byte buffer.
byte[] bytes = new byte[tcpClient.Recei veBufferSize];
// Read can return anything from 0 to numBytesToRead.
// This method blocks until at least one byte is read.
netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
// Returns the data received from the host to the console.
string returndata = Encoding.UTF8.G etString (bytes);
Console.WriteLi ne ("This is what the host returned to you: " +
returndata);
swr.WriteLine(r eturndata);
}
else
{
Console.WriteLi ne ("You cannot read data from this stream.");
tcpClient.Close ();
// Closing the tcpClient instance does not close the network stream.
//return;
}
netStream.Close ();
swr.Flush();
swr.Close();
}
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
public void Stop()
{
tcpListener.Sto p();
}
public void Resume()
{
listenerThread. Resume();
}
public void Suspend()
{
listenerThread. Suspend();
}
Regards,
TulasiKumar
9  1496 
Are there any exceptions in this code?
what is url parameter, can it be that url will specify remote server?
--
Vadym Stetsyak aka Vadmyst http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:eZ******** ******@TK2MSFTN GP11.phx.gbl... Hi all,
What is my requirement is i want to get the TCPIP data from TCP Port.I had
written the code in c#.Net.What i had written the code is pasted
below.what
i written the code is correct or not according to my requirement.Usi ng
this
code i didn't get any TCPIP pcakects data.Any one can modify my code or my
way of approach is wrong,please tell me.
Your suggestions ar kindly accepted.
Thanks in advance.
public class TcpData
{
private TcpListener tcpListener;
private int Port;
private string UrlStr;
// private StringCollectio n quotes;
// private Random random;
private Thread listenerThread;
private TcpClient tcpClient;
private NetworkStream netStream;
public TcpData()
{
//
// TODO: Add constructor logic here
//
}
public TcpData(String Url,int port)
{
this.UrlStr=Url ;
this.Port=port;
}
public void Start()
{
try
{
listenerThread= new Thread(new ThreadStart(thi s.Listener));
listenerThread. Start();
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
tcpListener.Sta rt();
while(true)
{
tcpClient=tcpLi stener.AcceptTc pClient();
netStream=tcpCl ient.GetStream( );
if(netStream.Ca nRead)
{
// Reads NetworkStream into a byte buffer.
byte[] bytes = new byte[tcpClient.Recei veBufferSize];
// Read can return anything from 0 to numBytesToRead.
// This method blocks until at least one byte is read.
netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
// Returns the data received from the host to the console.
string returndata = Encoding.UTF8.G etString (bytes);
Console.WriteLi ne ("This is what the host returned to you: " +
returndata);
swr.WriteLine(r eturndata);
}
else
{
Console.WriteLi ne ("You cannot read data from this stream.");
tcpClient.Close ();
// Closing the tcpClient instance does not close the network stream.
//return;
}
netStream.Close ();
swr.Flush();
swr.Close();
}
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
public void Stop()
{
tcpListener.Sto p();
}
public void Resume()
{
listenerThread. Resume();
}
public void Suspend()
{
listenerThread. Suspend();
}
Regards,
TulasiKumar
Hi Vadyam Stetsyak,
Thank u for giving immediate response.
The above code raise one exception In listner method TcpListner.star t()
there raises one exception.The Exception name is "Only One usage of each
socket address(protoco l/network Address/Port)is normally permitted"This
exception raised.
Give me ur suggestion
thanks in advance,
Regards,
TulasiKumar
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:%2******** *******@TK2MSFT NGP09.phx.gbl.. . Are there any exceptions in this code?
what is url parameter, can it be that url will specify remote server?
--
Vadym Stetsyak aka Vadmyst
http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:eZ******** ******@TK2MSFTN GP11.phx.gbl... Hi all,
What is my requirement is i want to get the TCPIP data from TCP Port.I
had written the code in c#.Net.What i had written the code is pasted
below.what
i written the code is correct or not according to my requirement.Usi ng
this
code i didn't get any TCPIP pcakects data.Any one can modify my code
or my way of approach is wrong,please tell me.
Your suggestions ar kindly accepted.
Thanks in advance.
public class TcpData
{
private TcpListener tcpListener;
private int Port;
private string UrlStr;
// private StringCollectio n quotes;
// private Random random;
private Thread listenerThread;
private TcpClient tcpClient;
private NetworkStream netStream;
public TcpData()
{
//
// TODO: Add constructor logic here
//
}
public TcpData(String Url,int port)
{
this.UrlStr=Url ;
this.Port=port;
}
public void Start()
{
try
{
listenerThread= new Thread(new ThreadStart(thi s.Listener));
listenerThread. Start();
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
tcpListener.Sta rt();
while(true)
{
tcpClient=tcpLi stener.AcceptTc pClient();
netStream=tcpCl ient.GetStream( );
if(netStream.Ca nRead)
{
// Reads NetworkStream into a byte buffer.
byte[] bytes = new byte[tcpClient.Recei veBufferSize];
// Read can return anything from 0 to numBytesToRead.
// This method blocks until at least one byte is read.
netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
// Returns the data received from the host to the console.
string returndata = Encoding.UTF8.G etString (bytes);
Console.WriteLi ne ("This is what the host returned to you: " +
returndata);
swr.WriteLine(r eturndata);
}
else
{
Console.WriteLi ne ("You cannot read data from this stream.");
tcpClient.Close ();
// Closing the tcpClient instance does not close the network stream.
//return;
}
netStream.Close ();
swr.Flush();
swr.Close();
}
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
public void Stop()
{
tcpListener.Sto p();
}
public void Resume()
{
listenerThread. Resume();
}
public void Suspend()
{
listenerThread. Suspend();
}
Regards,
TulasiKumar
This exception occurs when you want to listen on the address:port that are
already used by other application.
use netstat -an -p tcp to determine what addresses:ports are occupied.
Normaly only one socket can listen on particular port.
In order to listen on the address already occupied by someone else - you can
set socket option
SocketOptionNam e.ReuseAddress
--
Vadym Stetsyak aka Vadmyst http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:Oa******** *****@TK2MSFTNG P14.phx.gbl...
Hi Vadyam Stetsyak,
Thank u for giving immediate response.
The above code raise one exception In listner method TcpListner.star t()
there raises one exception.The Exception name is "Only One usage of each
socket address(protoco l/network Address/Port)is normally permitted"This
exception raised.
Give me ur suggestion
thanks in advance,
Regards,
TulasiKumar
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:%2******** *******@TK2MSFT NGP09.phx.gbl.. . > Are there any exceptions in this code?
> what is url parameter, can it be that url will specify remote server?
>
> --
> Vadym Stetsyak aka Vadmyst
> http://vadmyst.blogspot.com
>
> "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> news:eZ******** ******@TK2MSFTN GP11.phx.gbl... > > Hi all,
> >
> > What is my requirement is i want to get the TCPIP data from TCP Port.I
had > > written the code in c#.Net.What i had written the code is pasted
> > below.what
> > i written the code is correct or not according to my requirement.Usi ng > > this
> > code i didn't get any TCPIP pcakects data.Any one can modify my code or my > > way of approach is wrong,please tell me.
> >
> > Your suggestions ar kindly accepted.
> >
> > Thanks in advance.
> >
> > public class TcpData
> >
> > {
> >
> > private TcpListener tcpListener;
> >
> > private int Port;
> >
> > private string UrlStr;
> >
> > // private StringCollectio n quotes;
> >
> > // private Random random;
> >
> > private Thread listenerThread;
> >
> > private TcpClient tcpClient;
> >
> > private NetworkStream netStream;
> >
> > public TcpData()
> >
> > {
> >
> > //
> >
> > // TODO: Add constructor logic here
> >
> > //
> >
> > }
> >
> > public TcpData(String Url,int port)
> >
> > {
> >
> > this.UrlStr=Url ;
> >
> > this.Port=port;
> >
> > }
> >
> > public void Start()
> >
> > {
> >
> > try
> >
> > {
> >
> > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> >
> > listenerThread. Start();
> >
> > }
> >
> > catch(Exception ex)
> >
> > {
> >
> > Console.WriteLi ne(ex.Message);
> >
> > }
> >
> >
> >
> > }
> >
> > protected void Listener()
> >
> > {
> >
> > try
> >
> > {
> >
> > FileInfo fs=new FileInfo("Strea mData.txt");
> >
> >
> > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> >
> > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> >
> > tcpListener=new TcpListener(ipA ddress,Port);
> >
> > tcpListener.Sta rt();
> >
> > while(true)
> >
> > {
> >
> > tcpClient=tcpLi stener.AcceptTc pClient();
> >
> > netStream=tcpCl ient.GetStream( );
> >
> > if(netStream.Ca nRead)
> >
> > {
> >
> > // Reads NetworkStream into a byte buffer.
> >
> > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> >
> > // Read can return anything from 0 to numBytesToRead.
> >
> > // This method blocks until at least one byte is read.
> >
> > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
> >
> > // Returns the data received from the host to the console.
> >
> > string returndata = Encoding.UTF8.G etString (bytes);
> >
> > Console.WriteLi ne ("This is what the host returned to you: " +
> >
> > returndata);
> >
> > swr.WriteLine(r eturndata);
> >
> >
> >
> >
> > }
> >
> > else
> >
> > {
> >
> > Console.WriteLi ne ("You cannot read data from this stream.");
> >
> > tcpClient.Close ();
> >
> > // Closing the tcpClient instance does not close the network stream.
> >
> >
> > //return;
> >
> > }
> >
> > netStream.Close ();
> >
> > swr.Flush();
> >
> > swr.Close();
> >
> > }
> >
> > }
> >
> > catch(Exception ex)
> >
> > {
> >
> > Console.WriteLi ne(ex.Message);
> >
> > }
> >
> >
> > }
> >
> >
> > public void Stop()
> >
> > {
> >
> > tcpListener.Sto p();
> >
> > }
> >
> > public void Resume()
> >
> > {
> >
> > listenerThread. Resume();
> >
> > }
> >
> > public void Suspend()
> >
> > {
> >
> > listenerThread. Suspend();
> >
> > }
> >
> > Regards,
> >
> > TulasiKumar
> >
> >
> >
> >
> >
>
>
Hi VadyamStetsyak,
Thank u very much for giving immediate response.
SocketOptionNam e.ReuseAddress
Where can i inclue the above statment in my program.i have tried but ,it
is given the error.Can u please modify the below code or can u tell me where
can i include the above statement.Pleas e tell me.This is very urgent.
Thanks in advance,
public class TcpData
{
private TcpListener tcpListener;
private int Port;
private string UrlStr;
private Thread listenerThread;
private TcpClient tcpClient;
private NetworkStream netStream;
public TcpData()
{
// TODO: Add constructor logic here
}
public TcpData(String Url,int port)
{
this.UrlStr=Url ;
this.Port=port;
}
public void Start()
{
try
{
listenerThread= new Thread(new ThreadStart(thi s.Listener));
listenerThread. Start();
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
tcpListener.Sta rt();
while(true)
{
tcpClient=tcpLi stener.AcceptTc pClient();
netStream=tcpCl ient.GetStream( );
if(netStream.Ca nRead)
{
// Reads NetworkStream into a byte buffer.
byte[] bytes = new byte[tcpClient.Recei veBufferSize];
// Read can return anything from 0 to numBytesToRead.
// This method blocks until at least one byte is read.
netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
// Returns the data received from the host to the console.
string returndata = Encoding.UTF8.G etString (bytes);
Console.WriteLi ne ("This is what the host returned to you: " +
returndata);
swr.WriteLine(r eturndata);
}
else
{
Console.WriteLi ne ("You cannot read data from this stream.");
tcpClient.Close ();
// Closing the tcpClient instance does not close the network stream.
//return;
}
netStream.Close ();
swr.Flush();
swr.Close();
}
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
public void Stop()
{
tcpListener.Sto p();
}
public void Resume()
{
listenerThread. Resume();
}
public void Suspend()
{
listenerThread. Suspend();
}
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:uE******** ******@TK2MSFTN GP11.phx.gbl... This exception occurs when you want to listen on the address:port that
are already used by other application.
use netstat -an -p tcp to determine what addresses:ports are occupied.
Normaly only one socket can listen on particular port.
In order to listen on the address already occupied by someone else - you
can set socket option
SocketOptionNam e.ReuseAddress
--
Vadym Stetsyak aka Vadmyst
http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:Oa******** *****@TK2MSFTNG P14.phx.gbl...
Hi Vadyam Stetsyak,
Thank u for giving immediate response.
The above code raise one exception In listner method
TcpListner.star t() there raises one exception.The Exception name is "Only One usage of
each socket address(protoco l/network Address/Port)is normally
permitted"This exception raised.
Give me ur suggestion
thanks in advance,
Regards,
TulasiKumar
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:%2******** *******@TK2MSFT NGP09.phx.gbl.. . > Are there any exceptions in this code?
> what is url parameter, can it be that url will specify remote
server? >
> --
> Vadym Stetsyak aka Vadmyst
> http://vadmyst.blogspot.com
>
> "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> news:eZ******** ******@TK2MSFTN GP11.phx.gbl...
> > Hi all,
> >
> > What is my requirement is i want to get the TCPIP data from TCP
Port.I
had > > written the code in c#.Net.What i had written the code is pasted
> > below.what
> > i written the code is correct or not according to my
requirement.Usi ng > > this
> > code i didn't get any TCPIP pcakects data.Any one can modify my
code or my > > way of approach is wrong,please tell me.
> >
> > Your suggestions ar kindly accepted.
> >
> > Thanks in advance.
> >
> > public class TcpData
> >
> > {
> >
> > private TcpListener tcpListener;
> >
> > private int Port;
> >
> > private string UrlStr;
> >
> > // private StringCollectio n quotes;
> >
> > // private Random random;
> >
> > private Thread listenerThread;
> >
> > private TcpClient tcpClient;
> >
> > private NetworkStream netStream;
> >
> > public TcpData()
> >
> > {
> >
> > //
> >
> > // TODO: Add constructor logic here
> >
> > //
> >
> > }
> >
> > public TcpData(String Url,int port)
> >
> > {
> >
> > this.UrlStr=Url ;
> >
> > this.Port=port;
> >
> > }
> >
> > public void Start()
> >
> > {
> >
> > try
> >
> > {
> >
> > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> >
> > listenerThread. Start();
> >
> > }
> >
> > catch(Exception ex)
> >
> > {
> >
> > Console.WriteLi ne(ex.Message);
> >
> > }
> >
> >
> >
> > }
> >
> > protected void Listener()
> >
> > {
> >
> > try
> >
> > {
> >
> > FileInfo fs=new FileInfo("Strea mData.txt");
> >
> >
> > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> >
> > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> >
> > tcpListener=new TcpListener(ipA ddress,Port);
> >
> > tcpListener.Sta rt();
> >
> > while(true)
> >
> > {
> >
> > tcpClient=tcpLi stener.AcceptTc pClient();
> >
> > netStream=tcpCl ient.GetStream( );
> >
> > if(netStream.Ca nRead)
> >
> > {
> >
> > // Reads NetworkStream into a byte buffer.
> >
> > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> >
> > // Read can return anything from 0 to numBytesToRead.
> >
> > // This method blocks until at least one byte is read.
> >
> > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
> >
> > // Returns the data received from the host to the console.
> >
> > string returndata = Encoding.UTF8.G etString (bytes);
> >
> > Console.WriteLi ne ("This is what the host returned to you: " +
> >
> > returndata);
> >
> > swr.WriteLine(r eturndata);
> >
> >
> >
> >
> > }
> >
> > else
> >
> > {
> >
> > Console.WriteLi ne ("You cannot read data from this stream.");
> >
> > tcpClient.Close ();
> >
> > // Closing the tcpClient instance does not close the network
stream. > >
> >
> > //return;
> >
> > }
> >
> > netStream.Close ();
> >
> > swr.Flush();
> >
> > swr.Close();
> >
> > }
> >
> > }
> >
> > catch(Exception ex)
> >
> > {
> >
> > Console.WriteLi ne(ex.Message);
> >
> > }
> >
> >
> > }
> >
> >
> > public void Stop()
> >
> > {
> >
> > tcpListener.Sto p();
> >
> > }
> >
> > public void Resume()
> >
> > {
> >
> > listenerThread. Resume();
> >
> > }
> >
> > public void Suspend()
> >
> > {
> >
> > listenerThread. Suspend();
> >
> > }
> >
> > Regards,
> >
> > TulasiKumar
> >
> >
> >
> >
> >
>
>
to set the option you have to use
Socket.SetSocke tOption(SocketO ptionLevel.Sock et,
SocketOptionNam e.ReuseAddress, 1);
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
//------------
tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
SocketOptionNam e.ReuseAddress, 1);
//------------
tcpListener.Sta rt();
--
Vadym Stetsyak aka Vadmyst http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:u6******** ******@TK2MSFTN GP10.phx.gbl...
Hi VadyamStetsyak,
Thank u very much for giving immediate response.
SocketOptionNam e.ReuseAddress
Where can i inclue the above statment in my program.i have tried but ,it
is given the error.Can u please modify the below code or can u tell me
where
can i include the above statement.Pleas e tell me.This is very urgent.
Thanks in advance,
public class TcpData
{
private TcpListener tcpListener;
private int Port;
private string UrlStr;
private Thread listenerThread;
private TcpClient tcpClient;
private NetworkStream netStream;
public TcpData()
{
// TODO: Add constructor logic here
}
public TcpData(String Url,int port)
{
this.UrlStr=Url ;
this.Port=port;
}
public void Start()
{
try
{
listenerThread= new Thread(new ThreadStart(thi s.Listener));
listenerThread. Start();
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
tcpListener.Sta rt();
while(true)
{
tcpClient=tcpLi stener.AcceptTc pClient();
netStream=tcpCl ient.GetStream( );
if(netStream.Ca nRead)
{
// Reads NetworkStream into a byte buffer.
byte[] bytes = new byte[tcpClient.Recei veBufferSize];
// Read can return anything from 0 to numBytesToRead.
// This method blocks until at least one byte is read.
netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
// Returns the data received from the host to the console.
string returndata = Encoding.UTF8.G etString (bytes);
Console.WriteLi ne ("This is what the host returned to you: " +
returndata);
swr.WriteLine(r eturndata);
}
else
{
Console.WriteLi ne ("You cannot read data from this stream.");
tcpClient.Close ();
// Closing the tcpClient instance does not close the network stream.
//return;
}
netStream.Close ();
swr.Flush();
swr.Close();
}
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
public void Stop()
{
tcpListener.Sto p();
}
public void Resume()
{
listenerThread. Resume();
}
public void Suspend()
{
listenerThread. Suspend();
}
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:uE******** ******@TK2MSFTN GP11.phx.gbl... > This exception occurs when you want to listen on the address:port that
are > already used by other application.
>
> use netstat -an -p tcp to determine what addresses:ports are occupied.
> Normaly only one socket can listen on particular port.
>
> In order to listen on the address already occupied by someone else -
you
can > set socket option
> SocketOptionNam e.ReuseAddress
>
> --
> Vadym Stetsyak aka Vadmyst
> http://vadmyst.blogspot.com
>
> "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> news:Oa******** *****@TK2MSFTNG P14.phx.gbl... > >
> > Hi Vadyam Stetsyak,
> > Thank u for giving immediate response.
> > The above code raise one exception In listner method TcpListner.star t() > > there raises one exception.The Exception name is "Only One usage of each > > socket address(protoco l/network Address/Port)is normally permitted"This > > exception raised.
> > Give me ur suggestion
> > thanks in advance,
> > Regards,
> > TulasiKumar
> > "Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
> > news:%2******** *******@TK2MSFT NGP09.phx.gbl.. .
> > > Are there any exceptions in this code?
> > > what is url parameter, can it be that url will specify remote server? > > >
> > > --
> > > Vadym Stetsyak aka Vadmyst
> > > http://vadmyst.blogspot.com
> > >
> > > "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> > > news:eZ******** ******@TK2MSFTN GP11.phx.gbl...
> > > > Hi all,
> > > >
> > > > What is my requirement is i want to get the TCPIP data from TCP
> > Port.I
> > had
> > > > written the code in c#.Net.What i had written the code is pasted
> > > > below.what
> > > > i written the code is correct or not according to my
> > requirement.Usi ng
> > > > this
> > > > code i didn't get any TCPIP pcakects data.Any one can modify my code > > or my
> > > > way of approach is wrong,please tell me.
> > > >
> > > > Your suggestions ar kindly accepted.
> > > >
> > > > Thanks in advance.
> > > >
> > > > public class TcpData
> > > >
> > > > {
> > > >
> > > > private TcpListener tcpListener;
> > > >
> > > > private int Port;
> > > >
> > > > private string UrlStr;
> > > >
> > > > // private StringCollectio n quotes;
> > > >
> > > > // private Random random;
> > > >
> > > > private Thread listenerThread;
> > > >
> > > > private TcpClient tcpClient;
> > > >
> > > > private NetworkStream netStream;
> > > >
> > > > public TcpData()
> > > >
> > > > {
> > > >
> > > > //
> > > >
> > > > // TODO: Add constructor logic here
> > > >
> > > > //
> > > >
> > > > }
> > > >
> > > > public TcpData(String Url,int port)
> > > >
> > > > {
> > > >
> > > > this.UrlStr=Url ;
> > > >
> > > > this.Port=port;
> > > >
> > > > }
> > > >
> > > > public void Start()
> > > >
> > > > {
> > > >
> > > > try
> > > >
> > > > {
> > > >
> > > > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> > > >
> > > > listenerThread. Start();
> > > >
> > > > }
> > > >
> > > > catch(Exception ex)
> > > >
> > > > {
> > > >
> > > > Console.WriteLi ne(ex.Message);
> > > >
> > > > }
> > > >
> > > >
> > > >
> > > > }
> > > >
> > > > protected void Listener()
> > > >
> > > > {
> > > >
> > > > try
> > > >
> > > > {
> > > >
> > > > FileInfo fs=new FileInfo("Strea mData.txt");
> > > >
> > > >
> > > > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> > > >
> > > > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> > > >
> > > > tcpListener=new TcpListener(ipA ddress,Port);
> > > >
> > > > tcpListener.Sta rt();
> > > >
> > > > while(true)
> > > >
> > > > {
> > > >
> > > > tcpClient=tcpLi stener.AcceptTc pClient();
> > > >
> > > > netStream=tcpCl ient.GetStream( );
> > > >
> > > > if(netStream.Ca nRead)
> > > >
> > > > {
> > > >
> > > > // Reads NetworkStream into a byte buffer.
> > > >
> > > > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> > > >
> > > > // Read can return anything from 0 to numBytesToRead.
> > > >
> > > > // This method blocks until at least one byte is read.
> > > >
> > > > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
> > > >
> > > > // Returns the data received from the host to the console.
> > > >
> > > > string returndata = Encoding.UTF8.G etString (bytes);
> > > >
> > > > Console.WriteLi ne ("This is what the host returned to you: " +
> > > >
> > > > returndata);
> > > >
> > > > swr.WriteLine(r eturndata);
> > > >
> > > >
> > > >
> > > >
> > > > }
> > > >
> > > > else
> > > >
> > > > {
> > > >
> > > > Console.WriteLi ne ("You cannot read data from this stream.");
> > > >
> > > > tcpClient.Close ();
> > > >
> > > > // Closing the tcpClient instance does not close the network stream. > > > >
> > > >
> > > > //return;
> > > >
> > > > }
> > > >
> > > > netStream.Close ();
> > > >
> > > > swr.Flush();
> > > >
> > > > swr.Close();
> > > >
> > > > }
> > > >
> > > > }
> > > >
> > > > catch(Exception ex)
> > > >
> > > > {
> > > >
> > > > Console.WriteLi ne(ex.Message);
> > > >
> > > > }
> > > >
> > > >
> > > > }
> > > >
> > > >
> > > > public void Stop()
> > > >
> > > > {
> > > >
> > > > tcpListener.Sto p();
> > > >
> > > > }
> > > >
> > > > public void Resume()
> > > >
> > > > {
> > > >
> > > > listenerThread. Resume();
> > > >
> > > > }
> > > >
> > > > public void Suspend()
> > > >
> > > > {
> > > >
> > > > listenerThread. Suspend();
> > > >
> > > > }
> > > >
> > > > Regards,
> > > >
> > > > TulasiKumar
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
> >
> >
>
>
Hi Vadym Stetsyak,
Thanks for giving immediate response.
Whenever i have pasted u have given code as follows
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
//------------
tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
SocketOptionNam e.ReuseAddress, 1);
//------------
tcpListener.Sta rt();
it is getting the below error.This is given some protection level
errorr.Please tell me will i import any name space?. or i am doing any
think worng.
I have imported two main name sapces
using System.Net;
using System.Net.Sock ets;
this is the error:'System.N et.Sockets.TcpL istener.Server' is inaccessible
due to its protection level
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:%2******** ********@TK2MSF TNGP12.phx.gbl. .. to set the option you have to use
Socket.SetSocke tOption(SocketO ptionLevel.Sock et,
SocketOptionNam e.ReuseAddress, 1);
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
//------------
tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
SocketOptionNam e.ReuseAddress, 1);
//------------
tcpListener.Sta rt();
--
Vadym Stetsyak aka Vadmyst
http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:u6******** ******@TK2MSFTN GP10.phx.gbl...
Hi VadyamStetsyak,
Thank u very much for giving immediate response.
SocketOptionNam e.ReuseAddress
Where can i inclue the above statment in my program.i have tried but
,it is given the error.Can u please modify the below code or can u tell me
where
can i include the above statement.Pleas e tell me.This is very urgent.
Thanks in advance,
public class TcpData
{
private TcpListener tcpListener;
private int Port;
private string UrlStr;
private Thread listenerThread;
private TcpClient tcpClient;
private NetworkStream netStream;
public TcpData()
{
// TODO: Add constructor logic here
}
public TcpData(String Url,int port)
{
this.UrlStr=Url ;
this.Port=port;
}
public void Start()
{
try
{
listenerThread= new Thread(new ThreadStart(thi s.Listener));
listenerThread. Start();
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
tcpListener.Sta rt();
while(true)
{
tcpClient=tcpLi stener.AcceptTc pClient();
netStream=tcpCl ient.GetStream( );
if(netStream.Ca nRead)
{
// Reads NetworkStream into a byte buffer.
byte[] bytes = new byte[tcpClient.Recei veBufferSize];
// Read can return anything from 0 to numBytesToRead.
// This method blocks until at least one byte is read.
netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
// Returns the data received from the host to the console.
string returndata = Encoding.UTF8.G etString (bytes);
Console.WriteLi ne ("This is what the host returned to you: " +
returndata);
swr.WriteLine(r eturndata);
}
else
{
Console.WriteLi ne ("You cannot read data from this stream.");
tcpClient.Close ();
// Closing the tcpClient instance does not close the network stream.
//return;
}
netStream.Close ();
swr.Flush();
swr.Close();
}
}
catch(Exception ex)
{
Console.WriteLi ne(ex.Message);
}
}
public void Stop()
{
tcpListener.Sto p();
}
public void Resume()
{
listenerThread. Resume();
}
public void Suspend()
{
listenerThread. Suspend();
}
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:uE******** ******@TK2MSFTN GP11.phx.gbl... > This exception occurs when you want to listen on the address:port
that are > already used by other application.
>
> use netstat -an -p tcp to determine what addresses:ports are
occupied. > Normaly only one socket can listen on particular port.
>
> In order to listen on the address already occupied by someone
else - you
can > set socket option
> SocketOptionNam e.ReuseAddress
>
> --
> Vadym Stetsyak aka Vadmyst
> http://vadmyst.blogspot.com
>
> "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> news:Oa******** *****@TK2MSFTNG P14.phx.gbl...
> >
> > Hi Vadyam Stetsyak,
> > Thank u for giving immediate response.
> > The above code raise one exception In listner method
TcpListner.star t() > > there raises one exception.The Exception name is "Only One usage
of each > > socket address(protoco l/network Address/Port)is normally
permitted"This > > exception raised.
> > Give me ur suggestion
> > thanks in advance,
> > Regards,
> > TulasiKumar
> > "Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
> > news:%2******** *******@TK2MSFT NGP09.phx.gbl.. .
> > > Are there any exceptions in this code?
> > > what is url parameter, can it be that url will specify remote
server? > > >
> > > --
> > > Vadym Stetsyak aka Vadmyst
> > > http://vadmyst.blogspot.com
> > >
> > > "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in
message > > > news:eZ******** ******@TK2MSFTN GP11.phx.gbl...
> > > > Hi all,
> > > >
> > > > What is my requirement is i want to get the TCPIP data from
TCP > > Port.I
> > had
> > > > written the code in c#.Net.What i had written the code is
pasted > > > > below.what
> > > > i written the code is correct or not according to my
> > requirement.Usi ng
> > > > this
> > > > code i didn't get any TCPIP pcakects data.Any one can modify
my code > > or my
> > > > way of approach is wrong,please tell me.
> > > >
> > > > Your suggestions ar kindly accepted.
> > > >
> > > > Thanks in advance.
> > > >
> > > > public class TcpData
> > > >
> > > > {
> > > >
> > > > private TcpListener tcpListener;
> > > >
> > > > private int Port;
> > > >
> > > > private string UrlStr;
> > > >
> > > > // private StringCollectio n quotes;
> > > >
> > > > // private Random random;
> > > >
> > > > private Thread listenerThread;
> > > >
> > > > private TcpClient tcpClient;
> > > >
> > > > private NetworkStream netStream;
> > > >
> > > > public TcpData()
> > > >
> > > > {
> > > >
> > > > //
> > > >
> > > > // TODO: Add constructor logic here
> > > >
> > > > //
> > > >
> > > > }
> > > >
> > > > public TcpData(String Url,int port)
> > > >
> > > > {
> > > >
> > > > this.UrlStr=Url ;
> > > >
> > > > this.Port=port;
> > > >
> > > > }
> > > >
> > > > public void Start()
> > > >
> > > > {
> > > >
> > > > try
> > > >
> > > > {
> > > >
> > > > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> > > >
> > > > listenerThread. Start();
> > > >
> > > > }
> > > >
> > > > catch(Exception ex)
> > > >
> > > > {
> > > >
> > > > Console.WriteLi ne(ex.Message);
> > > >
> > > > }
> > > >
> > > >
> > > >
> > > > }
> > > >
> > > > protected void Listener()
> > > >
> > > > {
> > > >
> > > > try
> > > >
> > > > {
> > > >
> > > > FileInfo fs=new FileInfo("Strea mData.txt");
> > > >
> > > >
> > > > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> > > >
> > > > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> > > >
> > > > tcpListener=new TcpListener(ipA ddress,Port);
> > > >
> > > > tcpListener.Sta rt();
> > > >
> > > > while(true)
> > > >
> > > > {
> > > >
> > > > tcpClient=tcpLi stener.AcceptTc pClient();
> > > >
> > > > netStream=tcpCl ient.GetStream( );
> > > >
> > > > if(netStream.Ca nRead)
> > > >
> > > > {
> > > >
> > > > // Reads NetworkStream into a byte buffer.
> > > >
> > > > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> > > >
> > > > // Read can return anything from 0 to numBytesToRead.
> > > >
> > > > // This method blocks until at least one byte is read.
> > > >
> > > > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
> > > >
> > > > // Returns the data received from the host to the console.
> > > >
> > > > string returndata = Encoding.UTF8.G etString (bytes);
> > > >
> > > > Console.WriteLi ne ("This is what the host returned to you: "
+ > > > >
> > > > returndata);
> > > >
> > > > swr.WriteLine(r eturndata);
> > > >
> > > >
> > > >
> > > >
> > > > }
> > > >
> > > > else
> > > >
> > > > {
> > > >
> > > > Console.WriteLi ne ("You cannot read data from this
stream."); > > > >
> > > > tcpClient.Close ();
> > > >
> > > > // Closing the tcpClient instance does not close the network
stream. > > > >
> > > >
> > > > //return;
> > > >
> > > > }
> > > >
> > > > netStream.Close ();
> > > >
> > > > swr.Flush();
> > > >
> > > > swr.Close();
> > > >
> > > > }
> > > >
> > > > }
> > > >
> > > > catch(Exception ex)
> > > >
> > > > {
> > > >
> > > > Console.WriteLi ne(ex.Message);
> > > >
> > > > }
> > > >
> > > >
> > > > }
> > > >
> > > >
> > > > public void Stop()
> > > >
> > > > {
> > > >
> > > > tcpListener.Sto p();
> > > >
> > > > }
> > > >
> > > > public void Resume()
> > > >
> > > > {
> > > >
> > > > listenerThread. Resume();
> > > >
> > > > }
> > > >
> > > > public void Suspend()
> > > >
> > > > {
> > > >
> > > > listenerThread. Suspend();
> > > >
> > > > }
> > > >
> > > > Regards,
> > > >
> > > > TulasiKumar
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
> >
> >
>
>
what version of .NET framework do you use? I have 2.0 and TclListener.Ser ver
property is public there.
AFAIR in .NET 1.1. it is protected that is you have to inherit from
TcpListener, and then you will get the access you need
--
Vadym Stetsyak aka Vadmyst http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:es******** ******@TK2MSFTN GP15.phx.gbl... Hi Vadym Stetsyak,
Thanks for giving immediate response.
Whenever i have pasted u have given code as follows
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
//------------
tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
SocketOptionNam e.ReuseAddress, 1);
//------------
tcpListener.Sta rt();
it is getting the below error.This is given some protection level
errorr.Please tell me will i import any name space?. or i am doing any
think worng.
I have imported two main name sapces
using System.Net;
using System.Net.Sock ets;
this is the error:'System.N et.Sockets.TcpL istener.Server' is inaccessible
due to its protection level
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:%2******** ********@TK2MSF TNGP12.phx.gbl. .. > to set the option you have to use
>
> Socket.SetSocke tOption(SocketO ptionLevel.Sock et,
> SocketOptionNam e.ReuseAddress, 1);
>
> protected void Listener()
> {
> try
> {
> FileInfo fs=new FileInfo("Strea mData.txt");
> StreamWriter swr=new StreamWriter("S treamData.txt", true);
> IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> tcpListener=new TcpListener(ipA ddress,Port);
>
> //------------
> tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
> SocketOptionNam e.ReuseAddress, 1);
> //------------
>
> tcpListener.Sta rt();
>
>
> --
> Vadym Stetsyak aka Vadmyst
> http://vadmyst.blogspot.com
>
> "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> news:u6******** ******@TK2MSFTN GP10.phx.gbl... > >
> > Hi VadyamStetsyak,
> > Thank u very much for giving immediate response.
> > SocketOptionNam e.ReuseAddress
> > Where can i inclue the above statment in my program.i have tried but ,it > > is given the error.Can u please modify the below code or can u tell me > > where
> > can i include the above statement.Pleas e tell me.This is very urgent.
> >
> > Thanks in advance,
> >
> >
> > public class TcpData
> > {
> >
> > private TcpListener tcpListener;
> >
> > private int Port;
> > private string UrlStr;
> > private Thread listenerThread;
> > private TcpClient tcpClient;
> > private NetworkStream netStream;
> > public TcpData()
> > {
> > // TODO: Add constructor logic here
> > }
> > public TcpData(String Url,int port)
> > {
> > this.UrlStr=Url ;
> > this.Port=port;
> > }
> > public void Start()
> > {
> > try
> > {
> > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> > listenerThread. Start();
> > }
> > catch(Exception ex)
> > {
> > Console.WriteLi ne(ex.Message);
> > }
> > }
> > protected void Listener()
> > {
> > try
> > {
> > FileInfo fs=new FileInfo("Strea mData.txt");
> > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> > tcpListener=new TcpListener(ipA ddress,Port);
> >
> > tcpListener.Sta rt();
> > while(true)
> > {
> > tcpClient=tcpLi stener.AcceptTc pClient();
> > netStream=tcpCl ient.GetStream( );
> > if(netStream.Ca nRead)
> > {
> > // Reads NetworkStream into a byte buffer.
> > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> > // Read can return anything from 0 to numBytesToRead.
> > // This method blocks until at least one byte is read.
> > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
> > // Returns the data received from the host to the console.
> > string returndata = Encoding.UTF8.G etString (bytes);
> > Console.WriteLi ne ("This is what the host returned to you: " +
> > returndata);
> > swr.WriteLine(r eturndata);
> > }
> > else
> > {
> > Console.WriteLi ne ("You cannot read data from this stream.");
> > tcpClient.Close ();
> > // Closing the tcpClient instance does not close the network stream. > > //return;
> > }
> > netStream.Close ();
> > swr.Flush();
> > swr.Close();
> > }
> >
> > }
> > catch(Exception ex)
> > {
> > Console.WriteLi ne(ex.Message);
> > }
> > }
> > public void Stop()
> > {
> > tcpListener.Sto p();
> > }
> > public void Resume()
> > {
> > listenerThread. Resume();
> > }
> > public void Suspend()
> > {
> > listenerThread. Suspend();
> > }
> >
> >
> > "Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
> > news:uE******** ******@TK2MSFTN GP11.phx.gbl...
> > > This exception occurs when you want to listen on the address:port that > > are
> > > already used by other application.
> > >
> > > use netstat -an -p tcp to determine what addresses:ports are occupied. > > > Normaly only one socket can listen on particular port.
> > >
> > > In order to listen on the address already occupied by someone else - > > you
> > can
> > > set socket option
> > > SocketOptionNam e.ReuseAddress
> > >
> > > --
> > > Vadym Stetsyak aka Vadmyst
> > > http://vadmyst.blogspot.com
> > >
> > > "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> > > news:Oa******** *****@TK2MSFTNG P14.phx.gbl...
> > > >
> > > > Hi Vadyam Stetsyak,
> > > > Thank u for giving immediate response.
> > > > The above code raise one exception In listner method
> > TcpListner.star t()
> > > > there raises one exception.The Exception name is "Only One usage of > > each
> > > > socket address(protoco l/network Address/Port)is normally
> > permitted"This
> > > > exception raised.
> > > > Give me ur suggestion
> > > > thanks in advance,
> > > > Regards,
> > > > TulasiKumar
> > > > "Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
> > > > news:%2******** *******@TK2MSFT NGP09.phx.gbl.. .
> > > > > Are there any exceptions in this code?
> > > > > what is url parameter, can it be that url will specify remote
> > server?
> > > > >
> > > > > --
> > > > > Vadym Stetsyak aka Vadmyst
> > > > > http://vadmyst.blogspot.com
> > > > >
> > > > > "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message > > > > > news:eZ******** ******@TK2MSFTN GP11.phx.gbl...
> > > > > > Hi all,
> > > > > >
> > > > > > What is my requirement is i want to get the TCPIP data from TCP > > > > Port.I
> > > > had
> > > > > > written the code in c#.Net.What i had written the code is pasted > > > > > > below.what
> > > > > > i written the code is correct or not according to my
> > > > requirement.Usi ng
> > > > > > this
> > > > > > code i didn't get any TCPIP pcakects data.Any one can modify
my > > code
> > > > or my
> > > > > > way of approach is wrong,please tell me.
> > > > > >
> > > > > > Your suggestions ar kindly accepted.
> > > > > >
> > > > > > Thanks in advance.
> > > > > >
> > > > > > public class TcpData
> > > > > >
> > > > > > {
> > > > > >
> > > > > > private TcpListener tcpListener;
> > > > > >
> > > > > > private int Port;
> > > > > >
> > > > > > private string UrlStr;
> > > > > >
> > > > > > // private StringCollectio n quotes;
> > > > > >
> > > > > > // private Random random;
> > > > > >
> > > > > > private Thread listenerThread;
> > > > > >
> > > > > > private TcpClient tcpClient;
> > > > > >
> > > > > > private NetworkStream netStream;
> > > > > >
> > > > > > public TcpData()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > //
> > > > > >
> > > > > > // TODO: Add constructor logic here
> > > > > >
> > > > > > //
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public TcpData(String Url,int port)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > this.UrlStr=Url ;
> > > > > >
> > > > > > this.Port=port;
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public void Start()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > try
> > > > > >
> > > > > > {
> > > > > >
> > > > > > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> > > > > >
> > > > > > listenerThread. Start();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > catch(Exception ex)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > Console.WriteLi ne(ex.Message);
> > > > > >
> > > > > > }
> > > > > >
> > > > > >
> > > > > >
> > > > > > }
> > > > > >
> > > > > > protected void Listener()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > try
> > > > > >
> > > > > > {
> > > > > >
> > > > > > FileInfo fs=new FileInfo("Strea mData.txt");
> > > > > >
> > > > > >
> > > > > > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> > > > > >
> > > > > > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> > > > > >
> > > > > > tcpListener=new TcpListener(ipA ddress,Port);
> > > > > >
> > > > > > tcpListener.Sta rt();
> > > > > >
> > > > > > while(true)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > tcpClient=tcpLi stener.AcceptTc pClient();
> > > > > >
> > > > > > netStream=tcpCl ient.GetStream( );
> > > > > >
> > > > > > if(netStream.Ca nRead)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > // Reads NetworkStream into a byte buffer.
> > > > > >
> > > > > > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> > > > > >
> > > > > > // Read can return anything from 0 to numBytesToRead.
> > > > > >
> > > > > > // This method blocks until at least one byte is read.
> > > > > >
> > > > > > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze); > > > > > >
> > > > > > // Returns the data received from the host to the console.
> > > > > >
> > > > > > string returndata = Encoding.UTF8.G etString (bytes);
> > > > > >
> > > > > > Console.WriteLi ne ("This is what the host returned to you: "
+ > > > > > >
> > > > > > returndata);
> > > > > >
> > > > > > swr.WriteLine(r eturndata);
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > }
> > > > > >
> > > > > > else
> > > > > >
> > > > > > {
> > > > > >
> > > > > > Console.WriteLi ne ("You cannot read data from this stream."); > > > > > >
> > > > > > tcpClient.Close ();
> > > > > >
> > > > > > // Closing the tcpClient instance does not close the network > > stream.
> > > > > >
> > > > > >
> > > > > > //return;
> > > > > >
> > > > > > }
> > > > > >
> > > > > > netStream.Close ();
> > > > > >
> > > > > > swr.Flush();
> > > > > >
> > > > > > swr.Close();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > }
> > > > > >
> > > > > > catch(Exception ex)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > Console.WriteLi ne(ex.Message);
> > > > > >
> > > > > > }
> > > > > >
> > > > > >
> > > > > > }
> > > > > >
> > > > > >
> > > > > > public void Stop()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > tcpListener.Sto p();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public void Resume()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > listenerThread. Resume();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public void Suspend()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > listenerThread. Suspend();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > > TulasiKumar
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
> >
> >
>
>
hi,
thank u very much for giving information
i am using .net framwork1.1.In framwork 1.1 TcpListner.Serv er property is
protected.So,i have inherited the The TcpListner class in to my class it is
getting one error.
class Tcp1:TcpListene r
{
public Tcp1(int x)
{
Server.SetSocke tOption(SocketO ptionLevel.Sock et,SocketOption Name.ReuseAddre s
s, 1);
}
}
Error:No overload for method 'TcpListener' takes '0' arguments
Thanks in advance
Regrads,
TulasiKumar
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:uI******** ******@TK2MSFTN GP14.phx.gbl... what version of .NET framework do you use? I have 2.0 and
TclListener.Ser ver property is public there.
AFAIR in .NET 1.1. it is protected that is you have to inherit from
TcpListener, and then you will get the access you need
--
Vadym Stetsyak aka Vadmyst
http://vadmyst.blogspot.com
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:es******** ******@TK2MSFTN GP15.phx.gbl... Hi Vadym Stetsyak,
Thanks for giving immediate response.
Whenever i have pasted u have given code as follows
protected void Listener()
{
try
{
FileInfo fs=new FileInfo("Strea mData.txt");
StreamWriter swr=new StreamWriter("S treamData.txt", true);
IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
tcpListener=new TcpListener(ipA ddress,Port);
//------------
tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
SocketOptionNam e.ReuseAddress, 1);
//------------
tcpListener.Sta rt();
it is getting the below error.This is given some protection level
errorr.Please tell me will i import any name space?. or i am doing
any think worng.
I have imported two main name sapces
using System.Net;
using System.Net.Sock ets;
this is the error:'System.N et.Sockets.TcpL istener.Server' is
inaccessible due to its protection level
"Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
news:%2******** ********@TK2MSF TNGP12.phx.gbl. .. > to set the option you have to use
>
> Socket.SetSocke tOption(SocketO ptionLevel.Sock et,
> SocketOptionNam e.ReuseAddress, 1);
>
> protected void Listener()
> {
> try
> {
> FileInfo fs=new FileInfo("Strea mData.txt");
> StreamWriter swr=new StreamWriter("S treamData.txt", true);
> IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> tcpListener=new TcpListener(ipA ddress,Port);
>
> //------------
> tcpListener.Ser ver.SetSocketOp tion(SocketOpti onLevel.Socket,
> SocketOptionNam e.ReuseAddress, 1);
> //------------
>
> tcpListener.Sta rt();
>
>
> --
> Vadym Stetsyak aka Vadmyst
> http://vadmyst.blogspot.com
>
> "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
> news:u6******** ******@TK2MSFTN GP10.phx.gbl...
> >
> > Hi VadyamStetsyak,
> > Thank u very much for giving immediate response.
> > SocketOptionNam e.ReuseAddress
> > Where can i inclue the above statment in my program.i have tried
but ,it > > is given the error.Can u please modify the below code or can u
tell me > > where
> > can i include the above statement.Pleas e tell me.This is very
urgent. > >
> > Thanks in advance,
> >
> >
> > public class TcpData
> > {
> >
> > private TcpListener tcpListener;
> >
> > private int Port;
> > private string UrlStr;
> > private Thread listenerThread;
> > private TcpClient tcpClient;
> > private NetworkStream netStream;
> > public TcpData()
> > {
> > // TODO: Add constructor logic here
> > }
> > public TcpData(String Url,int port)
> > {
> > this.UrlStr=Url ;
> > this.Port=port;
> > }
> > public void Start()
> > {
> > try
> > {
> > listenerThread= new Thread(new ThreadStart(thi s.Listener));
> > listenerThread. Start();
> > }
> > catch(Exception ex)
> > {
> > Console.WriteLi ne(ex.Message);
> > }
> > }
> > protected void Listener()
> > {
> > try
> > {
> > FileInfo fs=new FileInfo("Strea mData.txt");
> > StreamWriter swr=new StreamWriter("S treamData.txt", true);
> > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> > tcpListener=new TcpListener(ipA ddress,Port);
> >
> > tcpListener.Sta rt();
> > while(true)
> > {
> > tcpClient=tcpLi stener.AcceptTc pClient();
> > netStream=tcpCl ient.GetStream( );
> > if(netStream.Ca nRead)
> > {
> > // Reads NetworkStream into a byte buffer.
> > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> > // Read can return anything from 0 to numBytesToRead.
> > // This method blocks until at least one byte is read.
> > netStream.Read (bytes, 0, (int)tcpClient. ReceiveBufferSi ze);
> > // Returns the data received from the host to the console.
> > string returndata = Encoding.UTF8.G etString (bytes);
> > Console.WriteLi ne ("This is what the host returned to you: " +
> > returndata);
> > swr.WriteLine(r eturndata);
> > }
> > else
> > {
> > Console.WriteLi ne ("You cannot read data from this stream.");
> > tcpClient.Close ();
> > // Closing the tcpClient instance does not close the network
stream. > > //return;
> > }
> > netStream.Close ();
> > swr.Flush();
> > swr.Close();
> > }
> >
> > }
> > catch(Exception ex)
> > {
> > Console.WriteLi ne(ex.Message);
> > }
> > }
> > public void Stop()
> > {
> > tcpListener.Sto p();
> > }
> > public void Resume()
> > {
> > listenerThread. Resume();
> > }
> > public void Suspend()
> > {
> > listenerThread. Suspend();
> > }
> >
> >
> > "Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
> > news:uE******** ******@TK2MSFTN GP11.phx.gbl...
> > > This exception occurs when you want to listen on the
address:port that > > are
> > > already used by other application.
> > >
> > > use netstat -an -p tcp to determine what addresses:ports are
occupied. > > > Normaly only one socket can listen on particular port.
> > >
> > > In order to listen on the address already occupied by someone
else - > > you
> > can
> > > set socket option
> > > SocketOptionNam e.ReuseAddress
> > >
> > > --
> > > Vadym Stetsyak aka Vadmyst
> > > http://vadmyst.blogspot.com
> > >
> > > "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in
message > > > news:Oa******** *****@TK2MSFTNG P14.phx.gbl...
> > > >
> > > > Hi Vadyam Stetsyak,
> > > > Thank u for giving immediate response.
> > > > The above code raise one exception In listner method
> > TcpListner.star t()
> > > > there raises one exception.The Exception name is "Only One
usage of > > each
> > > > socket address(protoco l/network Address/Port)is normally
> > permitted"This
> > > > exception raised.
> > > > Give me ur suggestion
> > > > thanks in advance,
> > > > Regards,
> > > > TulasiKumar
> > > > "Vadym Stetsyak" <va*****@ukr.ne t> wrote in message
> > > > news:%2******** *******@TK2MSFT NGP09.phx.gbl.. .
> > > > > Are there any exceptions in this code?
> > > > > what is url parameter, can it be that url will specify
remote > > server?
> > > > >
> > > > > --
> > > > > Vadym Stetsyak aka Vadmyst
> > > > > http://vadmyst.blogspot.com
> > > > >
> > > > > "TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in
message > > > > > news:eZ******** ******@TK2MSFTN GP11.phx.gbl...
> > > > > > Hi all,
> > > > > >
> > > > > > What is my requirement is i want to get the TCPIP data
from TCP > > > > Port.I
> > > > had
> > > > > > written the code in c#.Net.What i had written the code
is pasted > > > > > > below.what
> > > > > > i written the code is correct or not according to my
> > > > requirement.Usi ng
> > > > > > this
> > > > > > code i didn't get any TCPIP pcakects data.Any one can
modify
my > > code
> > > > or my
> > > > > > way of approach is wrong,please tell me.
> > > > > >
> > > > > > Your suggestions ar kindly accepted.
> > > > > >
> > > > > > Thanks in advance.
> > > > > >
> > > > > > public class TcpData
> > > > > >
> > > > > > {
> > > > > >
> > > > > > private TcpListener tcpListener;
> > > > > >
> > > > > > private int Port;
> > > > > >
> > > > > > private string UrlStr;
> > > > > >
> > > > > > // private StringCollectio n quotes;
> > > > > >
> > > > > > // private Random random;
> > > > > >
> > > > > > private Thread listenerThread;
> > > > > >
> > > > > > private TcpClient tcpClient;
> > > > > >
> > > > > > private NetworkStream netStream;
> > > > > >
> > > > > > public TcpData()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > //
> > > > > >
> > > > > > // TODO: Add constructor logic here
> > > > > >
> > > > > > //
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public TcpData(String Url,int port)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > this.UrlStr=Url ;
> > > > > >
> > > > > > this.Port=port;
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public void Start()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > try
> > > > > >
> > > > > > {
> > > > > >
> > > > > > listenerThread= new Thread(new
ThreadStart(thi s.Listener)); > > > > > >
> > > > > > listenerThread. Start();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > catch(Exception ex)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > Console.WriteLi ne(ex.Message);
> > > > > >
> > > > > > }
> > > > > >
> > > > > >
> > > > > >
> > > > > > }
> > > > > >
> > > > > > protected void Listener()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > try
> > > > > >
> > > > > > {
> > > > > >
> > > > > > FileInfo fs=new FileInfo("Strea mData.txt");
> > > > > >
> > > > > >
> > > > > > StreamWriter swr=new
StreamWriter("S treamData.txt", true); > > > > > >
> > > > > > IPAddress ipAddress=Dns.R esolve(UrlStr). AddressList[0];
> > > > > >
> > > > > > tcpListener=new TcpListener(ipA ddress,Port);
> > > > > >
> > > > > > tcpListener.Sta rt();
> > > > > >
> > > > > > while(true)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > tcpClient=tcpLi stener.AcceptTc pClient();
> > > > > >
> > > > > > netStream=tcpCl ient.GetStream( );
> > > > > >
> > > > > > if(netStream.Ca nRead)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > // Reads NetworkStream into a byte buffer.
> > > > > >
> > > > > > byte[] bytes = new byte[tcpClient.Recei veBufferSize];
> > > > > >
> > > > > > // Read can return anything from 0 to numBytesToRead.
> > > > > >
> > > > > > // This method blocks until at least one byte is read.
> > > > > >
> > > > > > netStream.Read (bytes, 0,
(int)tcpClient. ReceiveBufferSi ze); > > > > > >
> > > > > > // Returns the data received from the host to the
console. > > > > > >
> > > > > > string returndata = Encoding.UTF8.G etString (bytes);
> > > > > >
> > > > > > Console.WriteLi ne ("This is what the host returned to
you: "
+ > > > > > >
> > > > > > returndata);
> > > > > >
> > > > > > swr.WriteLine(r eturndata);
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > }
> > > > > >
> > > > > > else
> > > > > >
> > > > > > {
> > > > > >
> > > > > > Console.WriteLi ne ("You cannot read data from this
stream."); > > > > > >
> > > > > > tcpClient.Close ();
> > > > > >
> > > > > > // Closing the tcpClient instance does not close the
network > > stream.
> > > > > >
> > > > > >
> > > > > > //return;
> > > > > >
> > > > > > }
> > > > > >
> > > > > > netStream.Close ();
> > > > > >
> > > > > > swr.Flush();
> > > > > >
> > > > > > swr.Close();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > }
> > > > > >
> > > > > > catch(Exception ex)
> > > > > >
> > > > > > {
> > > > > >
> > > > > > Console.WriteLi ne(ex.Message);
> > > > > >
> > > > > > }
> > > > > >
> > > > > >
> > > > > > }
> > > > > >
> > > > > >
> > > > > > public void Stop()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > tcpListener.Sto p();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public void Resume()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > listenerThread. Resume();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > public void Suspend()
> > > > > >
> > > > > > {
> > > > > >
> > > > > > listenerThread. Suspend();
> > > > > >
> > > > > > }
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > > TulasiKumar
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
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Hi,
"TulasiKuma r" <tu*********@na nnacomputers.co m> wrote in message
news:eZ******** ******@TK2MSFTN GP11.phx.gbl... Hi all,
What is my requirement is i want to get the TCPIP data from TCP Port.I had
written the code in c#.Net.What i had written the code is pasted
below.what
i written the code is correct or not according to my requirement.Usi ng
this
code i didn't get any TCPIP pcakects data.Any one can modify my code or my
way of approach is wrong,please tell me.
Find below a piece of code that does what you want, it's multi thread , so
you can handle more than one incoming connection
Queue connectionQueue = null;
protected override void OnStart(string[] args)
{
listenerThread = new Thread( new ThreadStart( ListenerMethod) );
listenerThread. Start();
}
protected void ListenerMethod( )
{
Thread workingthread;
Queue unsyncq = new Queue();
connectionQueue = Queue.Synchroni zed( unsyncq);
TcpClient socket;
TcpListener listener = new TcpListener( Config.Port);
listener.Start( );
while( true)
{
socket = listener.Accept TcpClient();
connectionQueue .Enqueue( socket);
workingthread = new Thread( new ThreadStart( TheConnectionHa ndler));
workingthread.S tart();
}
}
public void TheConnectionHa ndler()
{
TcpClient socket= (TcpClient)conn ectionQueue.Deq ueue();
NetAccess netaccess = null;
--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
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