mirror of https://github.com/EdgeVPNio/evio.git
93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/*
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* EdgeVPNio
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* Copyright 2020, University of Florida
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef TINCAN_TAPDEV_LNX_H_
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#define TINCAN_TAPDEV_LNX_H_
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#if defined (_TNC_LINUX)
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#include "async_io.h"
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#include "tapdev_inf.h"
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#include "tincan_base.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/thread.h"
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#include "rtc_base/third_party/sigslot/sigslot.h"
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <linux/if_tun.h>
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#include <net/route.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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namespace tincan
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{
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namespace linux
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{
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using rtc::Message;
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using rtc::MessageData;
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using rtc::MessageHandler;
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using rtc::SocketServer;
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class TapDevLnx :
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public TapDevInf,
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public MessageHandler
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{
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public:
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TapDevLnx();
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~TapDevLnx() override;
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sigslot::signal1<AsyncIo *> read_completion_;
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sigslot::signal1<AsyncIo *> write_completion_;
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void Open(
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const TapDescriptor & tap_desc) override;
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void Close() override;
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uint32_t Read(AsyncIo& aio_rd) override;
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uint32_t Write(unique_ptr<AsyncIo> aio_wr) override;
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uint16_t Mtu() override;
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void Up() override;
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void Down() override;
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MacAddressType MacAddress() override;
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IP4AddressType Ip4() override;
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protected:
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void OnMessage(Message * msg) override;
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private:
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unique_ptr<rtc::Thread> reader_;
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unique_ptr<rtc::Thread> writer_;
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struct ifreq ifr_;
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int fd_;
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IP4AddressType ip4_;
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MacAddressType mac_;
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//uint16_t mtu4_;
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bool is_good_;
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void SetFlags(short a, short b);
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void PlenToIpv4Mask(unsigned int a, struct sockaddr *b);
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int FileDesc();
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};
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}
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}
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#endif //_TNC_LINUX
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#endif
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