Function on_header_cb

modules/http2/h2_session.c:304–339

}

static int on_header_cb(nghttp2_session *ngh2, const nghttp2_frame *frame,
                        const uint8_t *name, size_t namelen,
                        const uint8_t *value, size_t valuelen,
                        uint8_t flags,
                        void *userp)
{
    h2_session *session = (h2_session *)userp;
    h2_stream * stream;
    apr_status_t status;
    
    (void)flags;
    stream = get_stream(session, frame->hd.stream_id);
    if (!stream) {
        ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, session->c1, APLOGNO(02920)
                      H2_SSSN_STRM_MSG(session, frame->hd.stream_id,
                      "on_header unknown stream"));
        return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
    }
    
    status = h2_stream_add_header(stream, (const char *)name, namelen,
                                  (const char *)value, valuelen);
    if (status != APR_SUCCESS &&
        (!stream->rtmp ||
         stream->rtmp->http_status == H2_HTTP_STATUS_UNSET ||
         /* We accept a certain amount of failures in order to reply
          * with an informative HTTP error response like 413. But of the
          * client is too wrong, we RESET the stream */
         stream->request_headers_failed > 100)) {
        ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, session->c1,
                      H2_SSSN_STRM_MSG(session, frame->hd.stream_id,
                      "RST stream, header failures: %d"),
                      (int)stream->request_headers_failed);
        return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
    }
    return 0;
}

/**
 * nghttp2 session has received a complete frame. Most are used by nghttp2