Hello, On Tue, Feb 14, 2017 at 07:25:49AM -0800, Pillai, Saju wrote: > > Hello, > > I am new to nginx and will appreciate some insight on handling the resetting > of > module ctx during internal redirects. > > Specifically, I have a module that runs in the HTTP_POST_READ_PHASE to build > some objects in memory, which it hangs off the request object via > ngx_http_set_ctx(r,..). These memory objects back new variables created by > this > module. > > After an internal redirect, when a filter tries to access the variables, my > handler is unable to find the ctx object via a ngx_http_get_module_ctx(). I > see > that ngx_http_core_module.c:ngx_http_internal_redirect() zeros out all module > contexts during an internal redirect, and that makes sense. The (appropriate) > contexts will have to be rebuilt by modules that run for that internal > redirect. > > Since HTTP_POST_READ_PHASE handlers dont run on a redirect, how should I setup > my ctx so I can still access it after a redirect? I could create a r->pool > cleanup function and hang my ctx in the ngx_pool_cleanup_t->data slot; but > that > seems like a workaround.
Take a look at the standard nginx realip module. It falls back to pool cleanup when ngx_http_get_module_ctx() returns nothing. While this solution does look like a workaround, it's ok for this particular case. -- Roman Arutyunyan _______________________________________________ nginx-devel mailing list nginx-devel@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx-devel
