Diff: DHCPClient.h

Revision:

0:61831b843b44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHCPClient.h	Sat Apr 14 17:21:11 2012 +0000
@@ -0,0 +1,34 @@
+// 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