154 lines
4.1 KiB
C++
154 lines
4.1 KiB
C++
/*! \file pibroadcast.h
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* \ingroup IO-Utils
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* \~\brief
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* \~english Broadcast for all interfaces, including loopback
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* \~russian Широкое вещание на все интерфейсы, включая loopback
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*/
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/*
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PIP - Platform Independent Primitives
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Broadcast for all interfaces, including loopback
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Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PIBROADCAST_H
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#define PIBROADCAST_H
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#include "piethernet.h"
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#include "piethutilbase.h"
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#include "pip_io_utils_export.h"
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class PIP_IO_UTILS_EXPORT PIBroadcast
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: public PIThread
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, public PIEthUtilBase {
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PIOBJECT_SUBCLASS(PIBroadcast, PIThread);
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public:
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//! %PIBroadcast channels, can be used independently
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enum Channel {
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Multicast /** Use multicast addresses */ = 0x01,
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Broadcast /** Use broadcast addresses */ = 0x02,
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Loopback /** Use loopback addresses */ = 0x04,
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All /** Use all channels */ = 0xFFFF,
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};
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typedef PIFlags<Channel> Channels;
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/** Contructs %PIBroadcast, if \"send_only\" not set
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* all PIEthernets will be binded to receive data
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* */
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PIBroadcast(bool send_only = false);
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~PIBroadcast();
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//! Set channels to \"ch\" and queue to reinit
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void setChannels(Channels ch);
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//! Returns channels
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Channels channels() const { return _channels; }
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//! Returns if is send_only
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bool isSendOnly() const { return _send_only; }
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//! Set multicast IP to \"mg\" and queue to reinit
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void setMulticastGroup(const PIString & mg);
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//! Returns multicast IP
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PIString multicastGroup() const { return mcast_address.ipString(); }
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//! Set multicast port to \"port\" and queue to reinit
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void setMulticastPort(ushort port);
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//! Returns multicast port
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ushort multicastPort() const { return mcast_address.port(); }
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//! Set multicast address to \"addr\" and queue to reinit
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void setMulticastAddress(const PINetworkAddress & addr);
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//! Returns multicast address
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PINetworkAddress multicastAddress() const { return mcast_address; }
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//! Set broadcast port to \"port\" and queue to reinit
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void setBroadcastPort(ushort port);
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//! Returns broadcast port
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ushort broadcastPort() { return bcast_port; }
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//! Set loopback start port to \"port\" and queue to reinit
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void setLoopbackPort(ushort port);
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//! Returns loopback start port
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ushort loopbackPort() { return lo_port; }
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//! Set loopback ports count to \"count\" and queue to reinit
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void setLoopbackPortsCount(int count);
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//! Returns loopback ports count
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int loopbackPortsCount() const { return lo_pcnt; }
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//! If not send_only starts all threaded reads
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void startRead();
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//! Stop all threaded reads
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void stopRead();
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//! Reinit all PIEthernets with current \a PIEthernet::allAddresses()
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void reinit();
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//! Send packet
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void send(const PIByteArray & data);
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EVENT1(receiveEvent, PIByteArray, data);
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//! \events
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//! \{
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//! \fn void receiveEvent(PIByteArray data)
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//! \brief Raise on packet received
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//! \}
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protected:
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//! Called when packet received
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virtual void received(PIByteArray data) {}
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//! Called when addresses are changed
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virtual void addressesChanged() {}
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private:
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EVENT_HANDLER2(void, mcastRead, const uchar *, data, ssize_t, size);
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void destroyAll();
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void initAll(PIVector<PINetworkAddress> al);
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void run() override;
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Channels _channels;
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PINetworkAddress mcast_address;
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PIMutex mcast_mutex;
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PIVector<PIEthernet *> eth_mcast;
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PIEthernet * eth_lo;
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PIVector<PINetworkAddress> prev_al;
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ushort lo_port, bcast_port;
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int lo_pcnt;
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bool _started, _send_only, _reinit;
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};
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#endif // PIBROADCAST_H
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