m2mobservationhandler.h

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/*
 * Copyright (c) 2015 ARM Limited. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 * 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 M2M_OBSERVATION_HANDLER_H
#define M2M_OBSERVATION_HANDLER_H

// Needed for M2MBase::Operation
#include "m2mbase.h"
#include "mbed-client/coap_response.h"
//FORWARD DECLARATION
class M2MResourceInstance;

class M2MObservationHandler
{
  public:

    virtual bool observation_to_be_sent(M2MBase *object,
                                        uint16_t obs_number,
                                        const m2m::Vector<uint16_t> &changed_instance_ids,
                                        bool send_object = false) = 0;

    virtual void resource_to_be_deleted(M2MBase *base) = 0;

    virtual void value_updated(M2MBase *base) = 0;

    virtual void remove_object(M2MBase *object) = 0;

#ifndef DISABLE_DELAYED_RESPONSE

    virtual void send_delayed_response(M2MBase *base, sn_coap_msg_code_e code = COAP_MSG_CODE_RESPONSE_CHANGED) = 0;
#endif

#ifdef ENABLE_ASYNC_REST_RESPONSE

    virtual void send_asynchronous_response(M2MBase *base,
                                            const uint8_t *payload,
                                            size_t payload_len,
                                            const uint8_t* token,
                                            const uint8_t token_len,
                                            coap_response_code_e code) = 0;
#endif
};


#endif // M2M_OBSERVATION_HANDLER_H