Hi,
It seems that libevent incorrectly handles case when HTTP server wants
to send HTTP response with empty content. The problem is that libevent
doesn't generate Content-Length header in this case what causes HTTP1.1
clients to hang until it timeouts. The problem seems to be in the code
in evhttp_make_header_response().
Basically it looks like:
static void
evhttp_make_header_response(struct evhttp_connection *evcon,
struct evhttp_request *req)
{
...
if (EVBUFFER_LENGTH(req->output_buffer)) {
...
code to generate headers Data, Content-Type and
Content-Length if they are not present already
...
}
...
}
This looks wrong maybe except for Content-Type header. Why doesn't it
generates these headers if buffer length is 0? Missing Date header is
not critical but missing Content-Length header definitely breaks HTTP
clients.
--
Ilya Martynov, [EMAIL PROTECTED]
CTO IPonWEB (UK) Ltd
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