TUNInterface.h 2.2 KB

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  1. /* vim: set expandtab ts=4 sw=4: */
  2. /*
  3. * You may redistribute this program and/or modify it under the terms of
  4. * the GNU General Public License as published by the Free Software Foundation,
  5. * either version 3 of the License, or (at your option) any later version.
  6. *
  7. * This program is distributed in the hope that it will be useful,
  8. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. * GNU General Public License for more details.
  11. *
  12. * You should have received a copy of the GNU General Public License
  13. * along with this program. If not, see <https://www.gnu.org/licenses/>.
  14. */
  15. #ifndef TUNInterface_H
  16. #define TUNInterface_H
  17. #include "exception/Er.h"
  18. #include "interface/Iface.h"
  19. #include "memory/Allocator.h"
  20. #include "util/events/EventBase.h"
  21. #include "util/log/Log.h"
  22. #include "util/Linker.h"
  23. Linker_require("interface/tuntap/TUNInterface_" + builder.config.systemName + ".c")
  24. /**
  25. * This is the maximum size that will be accepted as an interface name.
  26. * If this runs on a system where IFNAMSIZ is less then this, names larger
  27. * than that will also be rejected.
  28. */
  29. #ifdef win32
  30. #define TUNInterface_IFNAMSIZ 256
  31. #else
  32. #define TUNInterface_IFNAMSIZ 16
  33. #endif
  34. /**
  35. * Create a new TUNInterface.
  36. *
  37. * @param interfaceName the interface name you *want* to use or NULL to let the kernel decide.
  38. * @param assignedInterfaceName an empty buffer which will be filled in with the interface
  39. * name that is assigned.
  40. * @param isTapMode if true, the TUN device will be initialized in TAP mode if supported.
  41. * @param base the libevent event base to use for listening for incoming packet events.
  42. * @param logger for logging messages about the tun device.
  43. * @param allocator a means of getting memory.
  44. * @return a Interface.
  45. */
  46. Er_DEFUN(struct Iface* TUNInterface_new(const char* interfaceName,
  47. char assignedInterfaceName[TUNInterface_IFNAMSIZ],
  48. int isTapMode,
  49. struct EventBase* base,
  50. struct Log* logger,
  51. struct Allocator* alloc));
  52. #endif