PackedNodeInfo.h

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#pragma once
#include "NodeInfo.h"
#include "catapult/model/TrailingVariableDataLayout.h"
 
namespace catapult { namespace ionet {
 
#pragma pack(push, 1)
 
    struct PackedConnectionState {
    public:
        ServiceIdentifier ServiceId;
 
        uint32_t Age;
 
        uint32_t NumConsecutiveFailures;
 
        uint32_t BanAge;
 
    public:
        void Update(const ConnectionState& connectionState) {
            Age = connectionState.Age;
            NumConsecutiveFailures = connectionState.NumConsecutiveFailures;
            BanAge = connectionState.BanAge;
        }
    };
 
    struct PackedNodeInteractions {
    public:
        uint32_t NumSuccesses;
 
        uint32_t NumFailures;
 
    public:
        void Update(const NodeInteractions& interactions) {
            NumSuccesses = interactions.NumSuccesses;
            NumFailures = interactions.NumFailures;
        }
    };
 
    struct PackedNodeInfo : public model::TrailingVariableDataLayout<PackedNodeInfo, PackedConnectionState> {
    public:
        Key IdentityKey;
 
        NodeSource Source;
 
        PackedNodeInteractions Interactions;
 
        uint8_t ConnectionStatesCount;
 
        // followed by connection states if ConnectionStatesCount != 0
 
    public:
        const PackedConnectionState* ConnectionStatesPtr() const {
            return ConnectionStatesCount ? ToTypedPointer(PayloadStart(*this)) : nullptr;
        }
 
        PackedConnectionState* ConnectionStatesPtr() {
            return ConnectionStatesCount ? ToTypedPointer(PayloadStart(*this)) : nullptr;
        }
 
    public:
        static constexpr uint64_t CalculateRealSize(const PackedNodeInfo& nodeInfo) noexcept {
            return sizeof(PackedNodeInfo) + nodeInfo.ConnectionStatesCount * sizeof(PackedConnectionState);
        }
    };
 
#pragma pack(pop)
}}