Re: [Quickfix-developers] Adding fields to the message

[Dale W. <wi...@oc...>]

Hi Amit,
You do not want to get involved in generating your own logon message.  
QuickFIX handles that for you and changing it can be tricky.
What you want to do is modify the logon message to add your password 
after QuickFIX has generated it, but before it is sent.

The correct way to do this  is to override the toAdmin() message of your 
FIX::Applicaition object
  In your override
    1) get the header from the message to be sent
    2) get the message type from the header
    3) check for message type logon
    4) add your password to the message

Dale

amit khandelwal wrote:
> QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
> QuickFIX Support: http://www.quickfixengine.org/services.html
>
>   
>
> ------------------------------------------------------------------------
>
> I am new to quickfix and I am currently exploring it to see if I can 
> use it in my project. My use case is as follows.
>
> 1. Create a session
> 2. Send a logon request
> 3. Send a market data request
> 4. Receive market data and log it to a file
>
> I have modified the tradeClient examples to send the market data 
> request. In the current version of the Logon.h it doesn't allow me to 
> set the password. I have modified the code of Logon.h to have an extra 
> method to set the password. Now, generateLogon method of session is 
> creates a Logon message. It doesn't set the password field. I can 
> modify that code also and make it set the password. However, I am 
> wondering if there is a mechanism by which I don't have to modify the 
> code but just give it some sort of a dictionary to say here the fields 
> that should be populated for a given message.
>
> TIA.
>
> Please advise.
>
> Cheers,
> Amit Khandelwal
>
>
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