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Re: Socket problem: read & write to same socket

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Date	Tue, 13 Mar 2012 17:48:18 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
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Subject	Re: Socket problem: read & write to same socket
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On 3/13/2012 5:33 PM, Martin Gregorie wrote:
> On Tue, 13 Mar 2012 09:01:44 -0700, liyaohua.bupt wrote:
>
>> I want to establish connection to a server(written by myself in Go
>> language), read from socket, and then write into socket.
>>
>> The connection can be established, and it reads correctly. But after
>> that and when I want to write to socket, it closes the connection. I
>> used wireshark to listen to the packets. I saw my program sent a FIN to
>> the server side. So the server receives nothing.
>>
>> Note that the server side only sends one line into socket.
>>
>> I later wrote a server in Java and a client in Go. They work fine in
>> both read and write.
>>
> Your code may accept one connection, read from and write to it, and close
> it, but its not a server because:
>
> (a) it doesn't listen for connections
>
> (b) it hasn't the right logical structure for accepting more than
>      one connection either serially or in parallel with an existing
>      connection
>
> (c) it stops itself without receiving a 'stop' command
>
> If your GO server uses similar logic, frankly I'm not surprised it isn't
> doing anything useful.

I believe the code shown was for a client.

Arne

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Thread

Socket problem: read & write to same socket liyaohua.bupt@gmail.com - 2012-03-13 09:01 -0700
  Re: Socket problem: read & write to same socket Arne Vajhøj <arne@vajhoej.dk> - 2012-03-13 12:14 -0400
    Re: Socket problem: read & write to same socket liyaohua.bupt@gmail.com - 2012-03-13 09:30 -0700
      Re: Socket problem: read & write to same socket Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-03-13 10:30 -0700
  Re: Socket problem: read & write to same socket Martin Gregorie <martin@address-in-sig.invalid> - 2012-03-13 21:33 +0000
    Re: Socket problem: read & write to same socket Arne Vajhøj <arne@vajhoej.dk> - 2012-03-13 17:48 -0400
      Re: Socket problem: read & write to same socket Martin Gregorie <martin@address-in-sig.invalid> - 2012-03-13 22:03 +0000
        Re: Socket problem: read & write to same socket Arne Vajhøj <arne@vajhoej.dk> - 2012-03-13 18:25 -0400
          Re: Socket problem: read & write to same socket Lew <lewbloch@gmail.com> - 2012-03-13 15:38 -0700
            Re: Socket problem: read & write to same socket Arne Vajhøj <arne@vajhoej.dk> - 2012-03-13 18:47 -0400
              Re: Socket problem: read & write to same socket Martin Gregorie <martin@address-in-sig.invalid> - 2012-03-13 23:33 +0000
                Re: Socket problem: read & write to same socket Arne Vajhøj <arne@vajhoej.dk> - 2012-03-13 19:35 -0400
                Re: Socket problem: read & write to same socket Paul Cager <paul.cager@googlemail.com> - 2012-03-14 02:51 -0700
                Re: Socket problem: read & write to same socket Martin Gregorie <martin@address-in-sig.invalid> - 2012-03-15 00:45 +0000
                Re: Socket problem: read & write to same socket Paul Cager <paul.cager@googlemail.com> - 2012-03-15 03:18 -0700
                Re: Socket problem: read & write to same socket RedGrittyBrick <RedGrittyBrick@spamweary.invalid> - 2012-03-14 16:22 +0000
                Re: Socket problem: read & write to same socket glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-03-15 01:33 +0000
                Re: Socket problem: read & write to same socket Nigel Wade <nmw@le.ac.uk> - 2012-03-15 12:30 +0000
          Re: Socket problem: read & write to same socket Martin Gregorie <martin@address-in-sig.invalid> - 2012-03-13 23:00 +0000
            Re: Socket problem: read & write to same socket Arne Vajhøj <arne@vajhoej.dk> - 2012-03-13 19:36 -0400

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