src/platform/ESP32/nimble/blecent.h

/*
 *
 *    Copyright (c) 2022 Project CHIP Authors
 *
 *    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.
 */

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
#pragma once
#include <host/ble_gatt.h>

#ifdef __cplusplus
extern "C" {
#endif

/** Misc. */
void print_bytes(const uint8_t * bytes, int len);
void print_mbuf(const struct os_mbuf * om);
char * addr_str(const void * addr);
void print_uuid(const ble_uuid_t * uuid);

/** Peer. */
struct peer_dsc
{
    SLIST_ENTRY(peer_dsc) next;
    struct ble_gatt_dsc dsc;
};
SLIST_HEAD(peer_dsc_list, peer_dsc);

struct peer_chr
{
    SLIST_ENTRY(peer_chr) next;
    struct ble_gatt_chr chr;

    struct peer_dsc_list dscs;
};
SLIST_HEAD(peer_chr_list, peer_chr);

struct peer_svc
{
    SLIST_ENTRY(peer_svc) next;
    struct ble_gatt_svc svc;

    struct peer_chr_list chrs;
};
SLIST_HEAD(peer_svc_list, peer_svc);

struct peer;
typedef void peer_disc_fn(const struct peer * peer, int status, void * arg);

struct peer
{
    SLIST_ENTRY(peer) next;

    uint16_t conn_handle;

    /** List of discovered GATT services. */
    struct peer_svc_list svcs;

    /** Keeps track of where we are in the service discovery process. */
    uint16_t disc_prev_chr_val;
    struct peer_svc * cur_svc;

    /** Callback that gets executed when service discovery completes. */
    peer_disc_fn * disc_cb;
    void * disc_cb_arg;
};

int peer_disc_all(uint16_t conn_handle, peer_disc_fn * disc_cb, void * disc_cb_arg);
const struct peer_dsc * peer_dsc_find_uuid(const struct peer * peer, const ble_uuid_t * svc_uuid, const ble_uuid_t * chr_uuid,
                                           const ble_uuid_t * dsc_uuid);
const struct peer_chr * peer_chr_find_uuid(const struct peer * peer, const ble_uuid_t * svc_uuid, const ble_uuid_t * chr_uuid);
const struct peer_svc * peer_svc_find_uuid(const struct peer * peer, const ble_uuid_t * uuid);
int peer_delete(uint16_t conn_handle);
int peer_add(uint16_t conn_handle);
int peer_init(int max_peers, int max_svcs, int max_chrs, int max_dscs);
struct peer * peer_find(uint16_t conn_handle);

#ifdef __cplusplus
}
#endif