W5200(WIZ820io) network interface
DHCPClient.h
- Committer:
- va009039
- Date:
- 2012-04-14
- Revision:
- 0:61831b843b44
File content as of revision 0:61831b843b44:
// DHCPClient.h 2012/4/13 #ifndef DHCPCLIENT_H #define DHCPCLIENT_H #include "UDPSocket.h" #define DHCP_OFFSET_OP 0 #define DHCP_OFFSET_XID 4 #define DHCP_OFFSET_YIADDR 16 #define DHCP_OFFSET_CHADDR 28 #define DHCP_OFFSET_MAGIC_COOKIE 236 #define DHCP_OFFSET_OPTIONS 240 #define DHCP_MAX_PACKET_SIZE 600 class DHCPClient { int discover(uint8_t buf[], int size); int request(uint8_t buf[], int size); int offer_ack(uint8_t buf[], int size); bool verify(uint8_t buf[], int len); public: void callback(UDPSocketEvent e); int setup(int timeout_ms = 15000); DHCPClient(); uint8_t chaddr[6]; // MAC uint8_t yiaddr[4]; // IP uint8_t dnsaddr[4]; // DNS uint8_t gateway[4]; uint8_t netmask[4]; private: UDPSocket* m_udp; uint8_t xid[4]; bool exit_flag; }; #endif //DHCPCLIENT_H