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ot::Dhcp6::Server class
This module includes definitions for DHCPv6 Server.
Syntax
class Server : public InstanceLocator,
private NonCopyable
{
public:
explicit Server(Instance &aInstance);
Error UpdateService(void);
private:
class PrefixAgent
{
public:
bool IsPrefixMatch(const Ip6::Address &aAddress) const { return aAddress.MatchesPrefix(GetPrefix()); }
bool IsValid(void) const { return mAloc.mValid; }
void Clear(void) { mAloc.mValid = false; }
uint8_t GetContextId(void) const { return mAloc.mAddress.mFields.m8[15]; }
Ip6::Netif::UnicastAddress &GetAloc(void) { return mAloc; }
const Ip6::Prefix &GetPrefix(void) const { return mPrefix; }
Ip6::Prefix &GetPrefix(void) { return mPrefix; }
const Ip6::Address &GetPrefixAsAddress(void) const
{
return static_cast<const Ip6::Address &>(mPrefix.mPrefix);
}
void Set(const Ip6::Prefix &aPrefix, const Ip6::NetworkPrefix &aMeshLocalPrefix, uint8_t aContextId)
{
mPrefix = aPrefix;
mAloc.InitAsThreadOrigin();
mAloc.GetAddress().SetToAnycastLocator(aMeshLocalPrefix, (Ip6::Address::kAloc16Mask << 8) + aContextId);
mAloc.mMeshLocal = true;
}
private:
Ip6::Netif::UnicastAddress mAloc;
Ip6::Prefix mPrefix;
};
static constexpr uint16_t kNumPrefixes = OPENTHREAD_CONFIG_DHCP6_SERVER_NUM_PREFIXES;
void Start(void);
void Stop(void);
void AddPrefixAgent(const Ip6::Prefix &aIp6Prefix, const Lowpan::Context &aContext);
Error AppendHeader(Message &aMessage, const TransactionId &aTransactionId);
Error AppendClientIdentifier(Message &aMessage, ClientIdentifier &aClientId);
Error AppendServerIdentifier(Message &aMessage);
Error AppendIaNa(Message &aMessage, IaNa &aIaNa);
Error AppendStatusCode(Message &aMessage, Status aStatusCode);
Error AppendIaAddress(Message &aMessage, ClientIdentifier &aClientId);
Error AppendRapidCommit(Message &aMessage);
Error AppendVendorSpecificInformation(Message &aMessage);
Error AddIaAddress(Message &aMessage, const Ip6::Address &aPrefix, ClientIdentifier &aClientId);
void HandleUdpReceive(Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
void ProcessSolicit(Message &aMessage, const Ip6::Address &aDst, const TransactionId &aTransactionId);
uint16_t FindOption(Message &aMessage, uint16_t aOffset, uint16_t aLength, Code aCode);
Error ProcessClientIdentifier(Message &aMessage, uint16_t aOffset, ClientIdentifier &aClientId);
Error ProcessIaNa(Message &aMessage, uint16_t aOffset, IaNa &aIaNa);
Error ProcessIaAddress(Message &aMessage, uint16_t aOffset);
Error ProcessElapsedTime(Message &aMessage, uint16_t aOffset);
Error SendReply(const Ip6::Address &aDst,
const TransactionId &aTransactionId,
ClientIdentifier &aClientId,
IaNa &aIaNa);
using ServerSocket = Ip6::Udp::SocketIn<Server, &Server::HandleUdpReceive>;
ServerSocket mSocket;
PrefixAgent mPrefixAgents[kNumPrefixes];
uint8_t mPrefixAgentsCount;
uint8_t mPrefixAgentsMask;
};
Fields
References
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ot::Dhcp6::Server is inherited by 2 classess:
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Instance
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