Just checking that this did not get lost on the way. Anyone care to give me a hint?
On Thu, Jul 31, 2003 at 10:17:06PM +0200, Martin Wickman wrote: > Hello > > According to docs[1], $r->rflush() should create a new brigade with > data. It does not. > > It seems the docs and/or my understanding of this is in error. > > > This is with: > Apache/2.0.47 (Debian GNU/Linux) mod_perl/1.99_07-dev Perl/v5.8.0 > > And I am using the streaming filter api. > > [1] > http://perl.apache.org/docs/2.0/user/handlers/filters.html#Multiple_Invocations_of_Filter_Handlers > > > Long version below: > ------------------ > > I have tried to make my outputfilter clever enough so it can handle > being called several times, with tags potentially split between > several brigades. > > Now I would like to test this somehow (ie, force mod_perl to call my > filter several times). I tried using $r->rflush(), but cannot get it > to work as I and the docs would expect. > > I tried creating a ResponseHandler which explicitly breaks some silly > html data into brigades: > > sub handler { > my $r = shift; > $r->content_type('text/html'); > $r->log_error ("Cutting"); > $r->print ("<html><head> title </head>"); $r->rflush(); > $r->print ("<bo"); $r->rflush(); > $r->print ("dy> body "); $r->rflush(); > $r->print ("</html>"); > $r->log_error ("Cutting: end"); > return Apache::OK; > } > > And then a simple 'DebugFilter' output filter which just prints each chunk: > > sub handler : FilterRequestHandler { > my $f = shift; > $f->r->log_error ("DebugFilter called"); > $f->print ("DebugFilter called\n"); > while ($f->read(my $buffer, 1024)) { > $f->print("CHUNK:$buffer:CHUNK\n"); > } > return Apache::OK; > } > > And httpd.conf > > <Location /test/> > PerlResponseHandler MyApache::Cutter > PerlOutputFilterHandler MyApache::DebugFilter > </Location> > > When I run this, I see that DebugFilter gets called 4 times (3 > rflush's + 1 eos or something). But the strange thing is that only the > _last_ call contains data. That data is _everything_ nicely > concatenated and not splitted as I would guess. > > Here is actual output: > > $ wget --quiet -O - http://localhost/test/ > DebugFilter called > DebugFilter called > DebugFilter called > DebugFilter called > CHUNK:<html><head> title </head><body> body </html>:CHUNK > > And the error_log: > > [Thu Jul 31 21:52:42 2003] [error] Cutting: start > [Thu Jul 31 21:52:42 2003] [error] DebugFilter called > [Thu Jul 31 21:52:42 2003] [error] DebugFilter called > [Thu Jul 31 21:52:42 2003] [error] DebugFilter called > [Thu Jul 31 21:52:42 2003] [error] Cutting: end > [Thu Jul 31 21:52:42 2003] [error] DebugFilter called
