joiner.hpp

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/*
 *  Copyright (c) 2016, The OpenThread Authors.
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 *     notice, this list of conditions and the following disclaimer in the
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 *     derived from this software without specific prior written permission.
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#ifndef JOINER_HPP_
#define JOINER_HPP_

#include "openthread-core-config.h"

#include <openthread/joiner.h>

#include "coap/coap.hpp"
#include "coap/coap_header.hpp"
#include "coap/coap_secure.hpp"
#include "common/crc16.hpp"
#include "common/locator.hpp"
#include "common/message.hpp"
#include "meshcop/dtls.hpp"
#include "meshcop/meshcop_tlvs.hpp"
#include "net/udp6.hpp"

namespace ot {

class ThreadNetif;

namespace MeshCoP {

class Joiner: public InstanceLocator
{
public:
    Joiner(otInstance &aInstance);

    otError Start(const char *aPSKd, const char *aProvisioningUrl,
                  const char *aVendorName, const char *aVendorModel,
                  const char *aVendorSwVersion, const char *aVendorData,
                  otJoinerCallback aCallback, void *aContext);

    otError Stop(void);

    otJoinerState GetState(void) const;

    void GetJoinerId(Mac::ExtAddress &aJoinerId) const;

private:
    enum
    {
        kConfigExtAddressDelay = 100,  
        kTimeout               = 4000, 
        kSpecificPriorityBonus = (1 << 9),
    };

    struct JoinerRouter
    {
        Mac::ExtAddress mExtAddr;
        uint16_t mPriority;
        uint16_t mPanId;
        uint16_t mJoinerUdpPort;
        uint8_t mChannel;
    };

    static void HandleDiscoverResult(otActiveScanResult *aResult, void *aContext);
    void HandleDiscoverResult(otActiveScanResult *aResult);

    static void HandleTimer(Timer &aTimer);
    void HandleTimer(void);

    void Close(void);
    void Complete(otError aError);

    void AddJoinerRouter(JoinerRouter &aJoinerRouter);
    otError TryNextJoin();

    static void HandleSecureCoapClientConnect(bool aConnected, void *aContext);
    void HandleSecureCoapClientConnect(bool aConnected);

    void SendJoinerFinalize(void);
    static void HandleJoinerFinalizeResponse(void *aContext, otCoapHeader *aHeader, otMessage *aMessage,
                                             const otMessageInfo *aMessageInfo, otError aResult);
    void HandleJoinerFinalizeResponse(Coap::Header *aHeader, Message *aMessage,
                                      const Ip6::MessageInfo *aMessageInfo, otError aResult);

    static void HandleJoinerEntrust(void *aContext, otCoapHeader *aHeader, otMessage *aMessage,
                                    const otMessageInfo *aMessageInfo);
    void HandleJoinerEntrust(Coap::Header &aHeader, Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
    void SendJoinerEntrustResponse(const Coap::Header &aRequestHeader, const Ip6::MessageInfo &aRequestInfo);

    static Joiner &GetOwner(const Context &aContext);

    otJoinerState mState;

    otJoinerCallback mCallback;
    void *mContext;

    uint16_t mCcitt;
    uint16_t mAnsi;

    JoinerRouter mJoinerRouters[OPENTHREAD_CONFIG_MAX_JOINER_ROUTER_ENTRIES];

    const char *mVendorName;
    const char *mVendorModel;
    const char *mVendorSwVersion;
    const char *mVendorData;

    TimerMilli mTimer;
    Coap::Resource mJoinerEntrust;
};

}  // namespace MeshCoP
}  // namespace ot

#endif  // JOINER_HPP_