mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (C) 2014 Google, Inc.
|
||
|
|
*
|
||
|
|
* 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 _PACKET_FRAGMENTER_H_
|
||
|
|
#define _PACKET_FRAGMENTER_H_
|
||
|
|
|
||
|
|
#include "allocator.h"
|
||
|
|
#include "bt_types.h"
|
||
|
|
#include "hci_layer.h"
|
||
|
|
|
||
|
|
typedef void (*transmit_finished_cb)(BT_HDR *packet, bool all_fragments_sent);
|
||
|
|
typedef void (*packet_reassembled_cb)(BT_HDR *packet);
|
||
|
|
typedef void (*packet_fragmented_cb)(BT_HDR *packet, bool send_transmit_finished);
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
// Called for every packet fragment.
|
||
|
|
packet_fragmented_cb fragmented;
|
||
|
|
|
||
|
|
// Called for every completely reassembled packet.
|
||
|
|
packet_reassembled_cb reassembled;
|
||
|
|
|
||
|
|
// Called when the fragmenter finishes sending all requested fragments,
|
||
|
|
// but the packet has not been entirely sent.
|
||
|
|
transmit_finished_cb transmit_finished;
|
||
|
|
} packet_fragmenter_callbacks_t;
|
||
|
|
|
||
|
|
typedef struct packet_fragmenter_t {
|
||
|
|
// Initialize the fragmenter, specifying the |result_callbacks|.
|
||
|
|
void (*init)(const packet_fragmenter_callbacks_t *result_callbacks);
|
||
|
|
|
||
|
|
// Release all resources associated with the fragmenter.
|
||
|
|
void (*cleanup)(void);
|
||
|
|
|
||
|
|
// CHeck if Current fragmenter is ongoing
|
||
|
|
BT_HDR *(*fragment_current_packet)(void);
|
||
|
|
|
||
|
|
// Fragments |packet| if necessary and hands off everything to the fragmented callback.
|
||
|
|
void (*fragment_and_dispatch)(BT_HDR *packet);
|
||
|
|
// If |packet| is a complete packet, forwards to the reassembled callback. Otherwise
|
||
|
|
// holds onto it until all fragments arrive, at which point the reassembled callback is called
|
||
|
|
// with the reassembled data.
|
||
|
|
void (*reassemble_and_dispatch)(BT_HDR *packet);
|
||
|
|
} packet_fragmenter_t;
|
||
|
|
|
||
|
|
const packet_fragmenter_t *packet_fragmenter_get_interface();
|
||
|
|
|
||
|
|
#endif /* _PACKET_FRAGMENTER_H_ */
|