GNU Radio 3.6.3.1 C++ API
gr_tuntap_pdu.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2012 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_GR_TUNTAP_PDU_H
24 #define INCLUDED_GR_TUNTAP_PDU_H
25 
26 #include <gr_core_api.h>
27 #include <gr_sync_block.h>
28 #include <gr_message.h>
29 #include <gr_msg_queue.h>
30 #include <gr_stream_pdu_base.h>
31 
32 #if (defined(linux) || defined(__linux) || defined(__linux__))
33 
34 #include <linux/if_tun.h>
35 
36 class gr_tuntap_pdu;
37 typedef boost::shared_ptr<gr_tuntap_pdu> gr_tuntap_pdu_sptr;
38 
39 GR_CORE_API gr_tuntap_pdu_sptr gr_make_tuntap_pdu (std::string dev, int MTU=10000);
40 
41 /*!
42  * \brief Gather received items into messages and insert into msgq
43  * \ingroup sink_blk
44  */
46 {
47  private:
48  friend GR_CORE_API gr_tuntap_pdu_sptr
49  gr_make_tuntap_pdu(std::string dev, int MTU);
50  int tun_alloc(char* dev, int flags = IFF_TAP | IFF_NO_PI);
51  std::string d_dev;
52  protected:
53  gr_tuntap_pdu (std::string dev, int MTU=10000);
54 
55  public:
56  ~gr_tuntap_pdu () {}
57 
58 };
59 
60 #else // if not linux
61 
63 {
64 private:
65  gr_tuntap_pdu() {};
66 public:
68 };
69 
70 GR_CORE_API gr_block_sptr gr_make_tuntap_pdu (std::string dev, int MTU=0);
71 
72 #endif
73 
74 #endif /* INCLUDED_GR_TUNTAP_PDU_H */