>
> Is there an example available how this can or should be done?
>
It's not officially supported anymore. Didn't even make it into the 1.0
release, since the code was too complicated and literally nobody used it.
https://github.com/kraih/mojo/blob/v0.999920/t/mojo/app.t#L12
There used to be a continue_handler in the app class, which you could
define to send other response codes than 100.
https://github.com/kraih/mojo/blob/v0.999920/lib/Mojo/Server.pm#L49
Which would get called by the server if it exists.
https://github.com/kraih/mojo/blob/v0.999920/lib/Mojo/Server/Daemon.pm#L229
And i don't think there's an elegant way to make it work today, you'd have
to hook into request parser events (possibly "body" in Mojo::Content) and
write your 100 response directly to the stream with Mojo::IOLoop.
# Completely untested
use Scalar::Util;
hook after_build_tx => sub {
my ($tx, $app) = @_;
Scalar::Util::weaken $tx;
$tx->req->content->on(body => sub {
return unless my $expect = $tx->req->headers->expect;
...
if (...) {
Mojo::IOLoop->stream($tx->connection)->write("100
Continue\r\n\r\n");
}
else {
$tx->req->error({message => 'We do not like this request'});
}
});
};
--
sebastian
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