I've made some progress in ruling out some false alarms that revelaed themselves initially. Specifically, the 103 I thought I was sending was just my addition of 103 to http_protocol.c working improperly (apparently even after httpd.h was updated, but nevermind that for now). In any case, my current filter simply execuites the following code, apparently to no avail:
char *tmp; tmp = apr_pstrcat(f->r->pool, AP_SERVER_PROTOCOL, " ", "103 Checkpoint", CRLF CRLF, NULL); apr_brigade_cleanup(bb); e = apr_bucket_pool_create(tmp, strlen(tmp), f->r->pool, f->c->bucket_alloc); APR_BRIGADE_INSERT_HEAD(bb, e); e = apr_bucket_flush_create(f->c->bucket_alloc); APR_BRIGADE_INSERT_TAIL(bb, e); ap_pass_brigade(f->c->output_filters, bb); Does something else need to be done/happening to allow me to send a provisional response? This doesn't seem to work using ap_get_status_line(100) instead of "103 Checkpoint" either. Any thoughts or pointers would be appreciated. thanks, Charles On Feb 7, 2008 1:54 PM, Charles Fry <[EMAIL PROTECTED]> wrote: > Hi, > > We are working to prototype a protocol that requires multiple > provisional response codes (103 in this case) to be sent to the > client, serving as checkpoints for large client to server transfers. > Being new to Apache module development, we are trying to determine the > correct way to do this. So far I have an input filter which attempts > to send a 103 by duplicating the code ti send 100s in > modules/http/http_filters.c, and so far I've observed two types of > unexpected behavior. First of all, the 103 turned into a 200 unless I > added a new line for 103 to modules/http/http_protocol.c. So my first > question is: is there a way to send 1xx response codes > 102 without > modifying this? > > Second, even after adding 103s to http_protocol, and duplicating the > 100 code from http_filters, the result was that rather than generating > a 103 followed by the final response (200 in my tests), the the status > code of the final response simply became 103. > > I'll continue reading through the code in my efforts to understand > what is really going on, but I wanted to ping this list in case > someone with deeper Apache understanding could help short-circuit my > search. > > thanks, > Charles >