Re: [Quickfix-developers] Another Logon Question

[Oren M. <ore...@ya...>]

Whoops. Made a mistake.  Everywhere that I refer to toAdmin, I meant to type fromAdmin.

Oren Miller <ore...@ya...> wrote:Jon,
 
You can do this in either the toAdmin method or the onMessage(), if you are using a MessageCracker in toAdmin.  When someone sends you a logon, this will go to your toAdmin call.  You will notice that one of the throw specifiers on onAdmin is RejectLogon.  So when you get a logon message, you need to validate the password they send with the one associated with their sessionid (or just the TargetCompID, depending on how you do it).  If the passwords don't match, throw a RejectLogon and they will be disconnected.
 
onLogon will only get called after a succesful logon, so you don't have to worry about false poisitives there.  You can do whatever logon processing is required.  
 
The onCreate method only gets called once for each session.  This just lets you know that the session class has been created and you can begin sending messages to it (you don't need to wait for someone to logon before sending them stuff).  If they arn't logged on, they will get it during a resend request whenever they do logon.
 
Jon Dahl <jd...@Li...> wrote:
Hello All,

I have somewhat of a long winded set of questions here, so bear with me please.

I have been working with the quickfix library for a few weeks now and have to say I love it.
The folks at thoughtworks have done a great job.

I have most of the functionality I need in a service but one thing - Logon's. It escapes me where I need
to authenticate a user against a db, flat file, etc. I have searched the mail lists for logons
(sourceforge really needs to improve their searches -- can you say google) and haven't really found anything
definitive.

So let's say I have a service started that is waiting for connection X to connect, what actually happens when
the client X connects to the service?

Where should the logon be handled and verified against a security identifier?
1. OnCreate
2. OnLogon
3. onMessage( FIX43::Logon&, FIX::SessionID&)
4. toAmdin

Thanks,

JD



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