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Indy Socket data transfer

Posted on 2008-10-20
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Last Modified: 2013-11-17
I have a IdTcpServer and an IdTcpCLient correttly connected.. Now.. How do I send data from client to server and back to client? How do I trasfer a BYTE array, or a string? Thank you
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Question by:ziggie301
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Accepted Solution

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George Tokas earned 500 total points
ID: 22756397
You have to use Readxxx and Writexxx methods of the components...
Check out online help...

I'm not using Indy because they are using blocking socket configuration...
Instead I'm using the standard TServer/TClient sockets for the job...

In that case in example to send a string:
Server Side:
ServerSocket->Socket->Connections[x]->SendText("123");
For server socket we have to define the connection to send that identify the communication to the other end...

Client Side:
ClientSocket->Socket->SendText("123");

In this case there is only one socket connected and we don't have the Connected array...

To read what is sended:
Create a OnRead event handler (Double click OnRead on object manager) and inside add:

AnsiString S;
S = Socket->ReceiveText();

That is almost all...

George Tokas.
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Author Comment

by:ziggie301
ID: 22811143
Sorry for my delay. I did'nt find any online help explaining how to transfer data after socket connection with indy sockets. that's why I was looking for some info about it. Does anyone know how to send data with Indy Sockets?
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LVL 16

Expert Comment

by:George Tokas
ID: 22811693
BCB6 instal dir \Examples\Indy
17 subdirectories with examples...

George Tokas.
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Author Comment

by:ziggie301
ID: 22856446
Sorry but I cannot find any subdirectory with indy examples.. I'm usingi Borland c++ Builder with Rad Studio 2007
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Author Closing Comment

by:ziggie301
ID: 31507760
I'm sorry. I was in a hurry, very nervous and mostly unprepared. This answer is excellent. Thank you
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