m2mconnectionsecurity.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_CONNECTION_SECURITY_H__
#define __M2M_CONNECTION_SECURITY_H__

#include "mbed-client/m2mconfig.h"

#include <stdint.h>

class M2MConnectionHandler;
class M2MSecurity;
class M2MConnectionSecurityPimpl;
class M2MConnectionHandler;

class M2MConnectionSecurity {
public:
    typedef enum {
        NO_SECURITY = 0,
        TLS,
        DTLS
    } SecurityMode;

private:
    // Prevents the use of assignment operator by accident.
    M2MConnectionSecurity& operator=( const M2MConnectionSecurity& /*other*/ );
    // Prevents the use of copy constructor by accident.
    M2MConnectionSecurity( const M2MConnectionSecurity& /*other*/ );

public:
    M2MConnectionSecurity(SecurityMode mode);

    ~M2MConnectionSecurity();

    void reset();

    int init(const M2MSecurity *security, uint16_t security_instance_id, bool is_server_ping);

    int start_connecting_non_blocking(M2MConnectionHandler* connHandler);

    int continue_connecting();

    int connect(M2MConnectionHandler* connHandler, bool is_server_ping = false);

    int send_message(unsigned char *message, int len);

    int read(unsigned char* buffer, uint16_t len);

    void set_random_number_callback(random_number_cb callback);

    void set_entropy_callback(entropy_cb callback);

    void set_socket(void *socket, void *address);

    int set_dtls_socket_callback(void(*foo)(void*), void *argument);

    void update_network_rtt_estimate(uint8_t rtt_estimate);

    void store_cid();

    void remove_cid();

    bool is_cid_available();

    void set_cid_value(const uint8_t *data_ptr, const size_t data_len);
private:

    M2MConnectionSecurityPimpl* _private_impl;

    friend class Test_M2MConnectionSecurity;
    //friend class Test_M2MConnectionSecurityImpl;
};

#endif //__M2M_CONNECTION_SECURITY_H__