Re: Finding the end of a stream from a socket

[Andrew Shvets <andrew.shvets@gmail.com>]

On Sunday, October 22, 2017 at 8:26:54 AM UTC-4, Andrew Shvets wrote:
> On Saturday, October 21, 2017 at 3:19:36 PM UTC-4, Dmitry A. Kazakov wrote:
> > On 2017-10-21 20:11, Dennis Lee Bieber wrote:
> > > On Sat, 21 Oct 2017 06:45:22 -0700 (PDT), Andrew Shvets
> > > <andr.....@gmail.com> declaimed the following:
> > > 
> > >>   GNAT.Sockets.Bind_Socket(Receiver, (GNAT.Sockets.Family_Inet, GNAT.Sockets.Inet_Addr("127.0.0.1"), 50000));
> > >>   GNAT.Sockets.Listen_Socket(Receiver);
> > >>
> > > 	From those statements I'm guessing you are trying to set this program
> > > up as a server, and have some other program which will connect to send data
> > > to this one.
> > > 
> > >>   Ada.Text_IO.Put_Line(" !! TCP Server started !!");
> > >>
> > >>   loop
> > >>     Ada.Text_IO.Put_Line(" FOO 1");
> > >>     GNAT.Sockets.Connect_Socket(Receiver,  Client_Addr);
> > > 
> > > 	But here you are saying /this/ program is going to connect to a server
> > > at (undefined) Client_Addr.
> > > 
> > > 	I suspect you really need to be using g.s.Accept_Socket() instead.
> > 
> > Also note that Accept_Socket will return another socket. This one you 
> > should use for communication.
> > 
> > A typical scenario for blocking sockets:
> > 
> >     loop -- Connection listening
> >        Accept_Socket -- Get communication socket
> >        Start a new session task with the communication socket
> >     end loop;
> > 
> > The session task deals with the connection using the socket returned by 
> > Accept_Socket. Once the session is complete it closes that socket and 
> > terminates.
> > 
> > -- 
> > Regards,
> > Dmitry A. Kazakov
> > http://www.dmitry-kazakov.de
> 
> One more question.  How do I convert a string to a Stream_Element?
> 
> 
> This is what I have:
> 
>   Out_String : constant String := "I like cake!";
>   Out_Data : Ada.Streams.Stream_Element_Array(1 .. 12);
> begin
> ...
>   for elem in 1 .. Out_Data'Length loop
>     Out_Data(Ada.Streams.Stream_Element_Offset(elem)) :=
>       Ada.Streams.Stream_Element(Character'Val(Out_String(elem)));
>   end loop;

I want to write this out to a receiver?