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Diffstat (limited to 'hicn-light/src/core/wldr.h')
-rwxr-xr-x | hicn-light/src/core/wldr.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/hicn-light/src/core/wldr.h b/hicn-light/src/core/wldr.h new file mode 100755 index 000000000..1666b4d3f --- /dev/null +++ b/hicn-light/src/core/wldr.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef wldr_h +#define wldr_h + +#include <src/config.h> +#include <src/core/connection.h> +#include <src/core/message.h> + +#define BUFFER_SIZE 8192 +#define MAX_RTX 3 +#define WLDR_LBL 13 +#define WLDR_NOTIFICATION 14 +#define WLDR_UNKNOWN 15 + +// NORMAL PACKET or RETRASMISSION +// WLDR_LBL: label = window size in the TCP header +// NOTIFICATION +// WLDR_NOTIFICATION: expected_label = window size in the TCP header, +// last_received_label = urgent pointer in the TCP header +// ATTENTION!!! in order to detect a notificaiton the +// source and destination ports must be set to 0 + +struct wldr_state; +typedef struct wldr_state Wldr; + +Wldr *wldr_Init(); + +void wldr_Destroy(Wldr **wldrPtr); + +void wldr_ResetState(Wldr *wldr); + +void wldr_SetLabel(Wldr *wldr, Message *message); + +void wldr_DetectLosses(Wldr *wldr, const Connection *conn, Message *message); + +void wldr_HandleWldrNotification(Wldr *wldr, const Connection *conn, + Message *message); +#endif // wldr_h |