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Capture individual requests

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FiddlerCore
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Erdogan
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Erdogan asked on 09 Oct 2020, 09:09 PM

Hello,

There is an old library which I do not have the source.It is a client library for an API endpoint. 

I need to log which requests are made from which function. Since library is used in a multithreaded environment, and I cannot alter the requests and responses, I'm stuck.

One way would be creating a series of proxies and assigning them to client before each function call, but it seems very inefficient.

 

Any thoughts?

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Nick Iliev
Telerik team
answered on 13 Oct 2020, 11:26 AM

Hello Erdogan,

 

 

As far as I understand, you would like to differentiate HTTP calls from the same API but from within different codebase methods. If that is correct, then there is not much you could do within Fiddler. As you have noticed, having access to the codebase is the best solution as you would be able to provide a custom payload for each different request so that you could later differentiate them in Fiddler.

 

However, if your calls provide a specific payload, you could use that to filter the request based on a particular filter rule.

 

Another possibility will be available if the requests are made from different processes. Then you could use Filter > Show only traffic from and filter the captured traffic based on the process ID.

 

 

Regards,
Nick Iliev
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