AFAIK you do not control the order of filters, and when you are building a filter, you deal with data on-the-fly, which means your filter might be invoked with a partial response coming from other filters. Moreover, the module needs to 'win' its selection on a specific event.
I suggest you read some available literature (ex: http://www.evanmiller.org/nginx-modules-guide.html, specifically http://www.evanmiller.org/nginx-modules-guide.html#filters-body which seems to implement something close to what you wish). There is most probably more competent people to that matter who would give you better docs, but this is a head start I guess. --- *B. R.* On Tue, Jul 5, 2016 at 6:06 AM, Raghavan, Gopal <[email protected]> wrote: > Hi, > > > > I have the following three directives: > > > > location = /hello { > > hello_world; > > hola_mundo on; > > bonjour_monde on; > > } > > > > hello_world is an nginx handler module that provides content “hello world” > > hola_mundo and bonjour_monde are filters that add to the chain strings > “hola mundo” and “bonjour monde” respectively. > > > > > > Here is the output: > > curl "http://localhost:8090/hello"; > > hello worldhola mundobonjour monde > > > > > > Switching the filter directives in location block has no impact on output > string. > > > > For eg: > > > > location = /hello { > > hello_world; > > bonjour_monde on; > > hola_mundo on; > > } > > > > Here is the output: > > curl "http://localhost:8090/hello"; > > hello worldhola mundobonjour monde > > > > > > How do I control the order of execution of filters? > > I already looked at objs/ngx_modules.c and auto/modules. My custom > handlers and filters are not listed there. > > > > One thing that I observed is that the order of listing the load_module > modules/*.so in conf/nginx.conf does impact the order of execution of the > filters. > > > > Is there any other trick to adjust the execution order within the location > block? > > > > Thanks, > > -- > > Gopal > > > > > > > > > > > > > > _______________________________________________ > nginx mailing list > [email protected] > http://mailman.nginx.org/mailman/listinfo/nginx >
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