Function ap_read_request

server/protocol.c:1423–1606

}

request_rec *ap_read_request(conn_rec *conn)
{
    int access_status;
    apr_bucket_brigade *tmp_bb;

    request_rec *r = ap_create_request(conn);

    tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
    conn->keepalive = AP_CONN_UNKNOWN;

    ap_run_pre_read_request(r, conn);

    /* Get the request... */
    if (!read_request_line(r, tmp_bb) || !ap_parse_request_line(r)) {
        apr_brigade_cleanup(tmp_bb);
        switch (r->status) {
        case HTTP_REQUEST_URI_TOO_LARGE:
        case HTTP_BAD_REQUEST:
        case HTTP_VERSION_NOT_SUPPORTED:
        case HTTP_NOT_IMPLEMENTED:
            if (r->status == HTTP_REQUEST_URI_TOO_LARGE) {
                ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00565)
                              "request failed: client's request-line exceeds LimitRequestLine (longer than %d)",
                              r->server->limit_req_line);
            }
            else if (r->method == NULL) {
                ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00566)
                              "request failed: malformed request line");
            }
            access_status = r->status;
            goto die_unusable_input;

        case HTTP_REQUEST_TIME_OUT:
            /* Just log, no further action on this connection. */
            ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, NULL);
            if (!r->connection->keepalives)
                ap_run_log_transaction(r);
            break;
        }
        /* Not worth dying with. */
        conn->keepalive = AP_CONN_CLOSE;
        apr_pool_destroy(r->pool);
        goto ignore;
    }
    apr_brigade_cleanup(tmp_bb);

    /* We may have been in keep_alive_timeout mode, so toggle back
     * to the normal timeout mode as we fetch the header lines,
     * as necessary.
     */
    apply_server_config(r);

    if (!r->assbackwards) {
        const char *tenc, *clen;

        ap_get_mime_headers_core(r, tmp_bb);
        apr_brigade_cleanup(tmp_bb);
        if (r->status != HTTP_OK) {