include/sibs/BootstrapConnection.hpp


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#pragma once

#include "../utils.hpp"
#include "DirectConnection.hpp"
#include "PubsubKey.hpp"

namespace sibs
{
    class PubsubKeyAlreadyListeningException : public std::runtime_error
    {
    public:
        PubsubKeyAlreadyListeningException(const std::string &errMsg) : std::runtime_error(errMsg) {}
    };
    
    using BoostrapConnectionListenCallbackFunc = std::function<void(const void *data, const usize size)>;
    
    class BootstrapConnection
    {
        DISABLE_COPY(BootstrapConnection)
    public:
        BootstrapConnection(const Ipv4 &bootstrapAddress);
        
        // Throws PubsubKeyAlreadyListeningException if we are already listening on the key @pubsubKey
        void listen(const PubsubKey &pubsubKey, BoostrapConnectionListenCallbackFunc callbackFunc);
    private:
        void receiveDataFromServer(std::shared_ptr<DirectConnectionPeer> peer, const void *data, const usize size);
        void receiveDataFromPeer(BoostrapConnectionListenCallbackFunc listenCallbackFunc, std::shared_ptr<DirectConnectionPeer> peer, const void *data, const usize size);
    private:
        DirectConnections connections;
        std::shared_ptr<DirectConnectionPeer> serverPeer;
        PubsubKeyMap<BoostrapConnectionListenCallbackFunc> listenCallbackFuncs;
    };
}