dhserver.h 1.9 KB

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  1. /*
  2. * The MIT License (MIT)
  3. *
  4. * Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com>
  5. *
  6. * Permission is hereby granted, free of charge, to any person obtaining a copy
  7. * of this software and associated documentation files (the "Software"), to deal
  8. * in the Software without restriction, including without limitation the rights
  9. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10. * copies of the Software, and to permit persons to whom the Software is
  11. * furnished to do so, subject to the following conditions:
  12. *
  13. * The above copyright notice and this permission notice shall be included in all
  14. * copies or substantial portions of the Software.
  15. *
  16. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22. * SOFTWARE.
  23. */
  24. /*
  25. * version: 1.0 demo (7.02.2015)
  26. * brief: tiny dhcp ipv4 server using lwip (pcb)
  27. * ref: https://lists.gnu.org/archive/html/lwip-users/2012-12/msg00016.html
  28. */
  29. #ifndef DHSERVER_H
  30. #define DHSERVER_H
  31. #include <stdint.h>
  32. #include <stdbool.h>
  33. #include <stdio.h>
  34. #include <string.h>
  35. #include "lwip/err.h"
  36. #include "lwip/udp.h"
  37. #include "netif/etharp.h"
  38. typedef struct dhcp_entry
  39. {
  40. uint8_t mac[6];
  41. uint8_t addr[4];
  42. uint8_t subnet[4];
  43. uint32_t lease;
  44. } dhcp_entry_t;
  45. typedef struct dhcp_config
  46. {
  47. uint8_t addr[4];
  48. uint16_t port;
  49. uint8_t dns[4];
  50. const char *domain;
  51. int num_entry;
  52. dhcp_entry_t *entries;
  53. } dhcp_config_t;
  54. err_t dhserv_init(const dhcp_config_t *config);
  55. void dhserv_free(void);
  56. #endif /* DHSERVER_H */