net_socket_android.h 3.4 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879
  1. /*************************************************************************/
  2. /* net_socket_android.h */
  3. /*************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* https://godotengine.org */
  7. /*************************************************************************/
  8. /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
  9. /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
  10. /* */
  11. /* Permission is hereby granted, free of charge, to any person obtaining */
  12. /* a copy of this software and associated documentation files (the */
  13. /* "Software"), to deal in the Software without restriction, including */
  14. /* without limitation the rights to use, copy, modify, merge, publish, */
  15. /* distribute, sublicense, and/or sell copies of the Software, and to */
  16. /* permit persons to whom the Software is furnished to do so, subject to */
  17. /* the following conditions: */
  18. /* */
  19. /* The above copyright notice and this permission notice shall be */
  20. /* included in all copies or substantial portions of the Software. */
  21. /* */
  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  29. /*************************************************************************/
  30. #ifndef NET_SOCKET_ANDROID_H
  31. #define NET_SOCKET_ANDROID_H
  32. #include "drivers/unix/net_socket_posix.h"
  33. #include <jni.h>
  34. /**
  35. * Specialized NetSocket implementation for Android.
  36. *
  37. * Some devices requires Android-specific code to acquire a MulticastLock
  38. * before sockets are allowed to receive broadcast and multicast packets.
  39. * This implementation calls into Java code and automatically acquire/release
  40. * the lock when broadcasting is enabled/disabled on a socket, or that socket
  41. * joins/leaves a multicast group.
  42. */
  43. class NetSocketAndroid : public NetSocketPosix {
  44. private:
  45. static jobject net_utils;
  46. static jclass cls;
  47. static jmethodID _multicast_lock_acquire;
  48. static jmethodID _multicast_lock_release;
  49. bool wants_broadcast;
  50. int multicast_groups;
  51. static void multicast_lock_acquire();
  52. static void multicast_lock_release();
  53. protected:
  54. static NetSocket *_create_func();
  55. public:
  56. static void make_default();
  57. static void setup(jobject p_net_utils);
  58. virtual void close();
  59. virtual Error set_broadcasting_enabled(bool p_enabled);
  60. virtual Error join_multicast_group(const IP_Address &p_multi_address, String p_if_name);
  61. virtual Error leave_multicast_group(const IP_Address &p_multi_address, String p_if_name);
  62. NetSocketAndroid();
  63. ~NetSocketAndroid();
  64. };
  65. #endif