Re: Calling another URL from output filter
Hi Sorin Can you share your code for this cae so that I can take a look to get an understanding. Can I call a uri on a different server before the proxy to the requested server ? Rgds Bhaskar On 03/05/2012 04:26 AM, Sorin Manolache wrote: On 2012-03-04 19:19, Swaminathan Bhaskar wrote: Hello, How can I call another url from an output filter - here is the scenario: when a client accesses abc.mydomain.com/signon, this url autheticates the user and we dont want the response going back to the client rather call another url xyz.mydomain.com/fetchdata which will return some data ... we want to send the data from the second url and response headers from first url merged back to the client. So my thought is to intercept the response from the first url in an output ffilter and make a call from the output filter to the second url. What function call would allow me to make th call to the second url Any help appreciated Hello, We did something similar but we didn't issue the 2nd request from the output filter of the first. The first request was made by the apache subrequest API (the ap_sub_req_lookup_uri and ap_run_sub_req functions). The output filter ran until it encountered an end-of-stream. It did not make any other request. The output filter of the subrequest did not pass any brigade to downstream filters. It simply parsed the response, stored relevant data in some structure and returned APR_SUCCESS to its upstream filters. Next, after ap_run_sub_req returned, we invoked the 2nd URL via the proxy module. The useful data returned by the 1st URL was taken from the structure in which the subrequest stored it. Calling a 2nd URL from output filters is a bit tricky, as you have filter-chains invoked from within a filter-chain, so we preferred to call the 2nd URL only after the request to the first completed. Regards, Sorin
Re: Calling another URL from output filter
On 2012-03-04 19:19, Swaminathan Bhaskar wrote: Hello, How can I call another url from an output filter - here is the scenario: when a client accesses abc.mydomain.com/signon, this url autheticates the user and we dont want the response going back to the client rather call another url xyz.mydomain.com/fetchdata which will return some data ... we want to send the data from the second url and response headers from first url merged back to the client. So my thought is to intercept the response from the first url in an output ffilter and make a call from the output filter to the second url. What function call would allow me to make th call to the second url Any help appreciated Hello, We did something similar but we didn't issue the 2nd request from the output filter of the first. The first request was made by the apache subrequest API (the ap_sub_req_lookup_uri and ap_run_sub_req functions). The output filter ran until it encountered an end-of-stream. It did not make any other request. The output filter of the subrequest did not pass any brigade to downstream filters. It simply parsed the response, stored relevant data in some structure and returned APR_SUCCESS to its upstream filters. Next, after ap_run_sub_req returned, we invoked the 2nd URL via the proxy module. The useful data returned by the 1st URL was taken from the structure in which the subrequest stored it. Calling a 2nd URL from output filters is a bit tricky, as you have filter-chains invoked from within a filter-chain, so we preferred to call the 2nd URL only after the request to the first completed. Regards, Sorin
Calling another URL from output filter
Hello, How can I call another url from an output filter - here is the scenario: when a client accesses abc.mydomain.com/signon, this url autheticates the user and we dont want the response going back to the client rather call another url xyz.mydomain.com/fetchdata which will return some data ... we want to send the data from the second url and response headers from first url merged back to the client. So my thought is to intercept the response from the first url in an output ffilter and make a call from the output filter to the second url. What function call would allow me to make th call to the second url Any help appreciated Rgds Bhaskar -- View this message in context: http://old.nabble.com/Calling-another-URL-from-output-filter-tp33439259p33439259.html Sent from the Apache HTTP Server - Module Writers mailing list archive at Nabble.com.
