quickfix-developers

[Quickfix-developers] What thread or threads are involved when FIX::Session::sendToTarget is called?

[K. F. <kfr...@gm...>]

Hello List!

When the static member function FIX::Session::sendToTarget is called,
does the calling thread execute the entire send procedure synchronously,
all the way down to a socket write?  Or does the processing get handed
off to some other thread (such as the SocketAcceptor thread) to do most
of the work.

On a related note, I was trying to trace though the code, but I got confused:
It looks to me like Session::send calls Session::sendRaw, but that
Session::sendRaw calls Session::send.  I must have missed a code
branch somewhere, but I couldn't figure out where send drills down to
actually pumping stuff over the wire.  Could someone explain what is
going on here?

Thanks.


K. Frank

Re: [Quickfix-developers] What thread or threads are involved when FIX::Session::sendToTarget is called?

[Hei C. <str...@ya...>]

If you use ThreadSocketInitiator, the caller's thread will be used all the way till send() returns.
Otherwise, your message will be handed off to another thread.


________________________________
 From: K. Frank <kfr...@gm...>
To: Quickfix Developers List <qui...@li...> 
Sent: Tuesday, February 5, 2013 5:52 PM
Subject: [Quickfix-developers] What thread or threads are involved when FIX::Session::sendToTarget is called?
 
QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
QuickFIX Support: http://www.quickfixengine.org/services.html

Hello List!

When the static member function FIX::Session::sendToTarget is called,
does the calling thread execute the entire send procedure synchronously,
all the way down to a socket write?  Or does the processing get handed
off to some other thread (such as the SocketAcceptor thread) to do most
of the work.

On a related note, I was trying to trace though the code, but I got confused:
It looks to me like Session::send calls Session::sendRaw, but that
Session::sendRaw calls Session::send.  I must have missed a code
branch somewhere, but I couldn't figure out where send drills down to
actually pumping stuff over the wire.  Could someone explain what is
going on here?

Thanks.


K. Frank

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Re: [Quickfix-developers] What thread or threads are involved when FIX::Session::sendToTarget is called?

[K. F. <kfr...@gm...>]

Hi Hei!

Thank you for the answer.

On Tue, Feb 5, 2013 at 10:53 PM, Hei Chan <str...@ya...> wrote:
> If you use ThreadSocketInitiator, the caller's thread will be used all the
> way till send() returns.
> Otherwise, your message will be handed off to another thread.

Would you happen to know if the same is true on the acceptor side?
(I.e., SocketAcceptor --> caller's thread, ThreadedSocketAcceptor
--> handed off to another thread?)

> ...
> From: K. Frank <kfr...@gm...>
> To: Quickfix Developers List <qui...@li...>
> ...
> Hello List!
>
> When the static member function FIX::Session::sendToTarget is called,
> does the calling thread execute the entire send procedure synchronously,
> all the way down to a socket write?  Or does the processing get handed
> off to some other thread (such as the SocketAcceptor thread) to do most
> of the work.
>
> On a related note, I was trying to trace though the code, but I got
> confused:
> It looks to me like Session::send calls Session::sendRaw, but that
> Session::sendRaw calls Session::send.  I must have missed a code
> branch somewhere, but I couldn't figure out where send drills down to
> actually pumping stuff over the wire.  Could someone explain what is
> going on here?
>
> Thanks.
>
> K. Frank