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#ifndef NETWORK_UDP_HH

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#define NETWORK_UDP_HH

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#include "Socket.hh"

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#include "Address.hh"

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#include "Packet.hh"

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/**

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 * A UDP socket that can send and receive NetworkPackets

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 */

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class NetworkUDP {

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    private:

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        /**

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         * The socket itself

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         */

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        NetworkSocket socket;

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        CL_SlotContainer slots;

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    public:

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        /**

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         * Allocate an UDP socket on an ephemeral port (random port chosen by OS)

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         */

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        NetworkUDP (void);

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        /**

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         * Allocate an UDP socket on a specific local port/interface

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         *

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         * @param bind_addr the local address to bind to

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         */

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        NetworkUDP (const NetworkEndpoint &bind_addr);

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    private:

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        /**

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         * Socket is ready for recv, read as many packets as available, calling sig_packet on each

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         */

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        void on_recv (void);

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        /**

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         * The signal called by on_recv

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         */

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        CL_Signal_v2<NetworkPacketInput&, const NetworkAddress&> _sig_packet;

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    public:

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        /**

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         * Send the given packet on this UDP socket to the given destination address

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         */

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        bool sendto (const NetworkPacketBuffer &packet, const NetworkAddress &dst);

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        /**

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         * Triggered whenever a packet has been received, giving the NetworkPacketInput and the source address

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         */

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        CL_Signal_v2<NetworkPacketInput&, const NetworkAddress&>& sig_packet (void) { return _sig_packet; }

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};

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#endif /* NETWORK_UDP_HH */