mirror of https://github.com/noisymime/Arduino.git
160 lines
3.6 KiB
C++
Executable File
160 lines
3.6 KiB
C++
Executable File
// DHCP Library v0.3 - April 25, 2009
|
|
// Author: Jordan Terrell - blog.jordanterrell.com
|
|
|
|
#ifndef Dhcp_h
|
|
#define Dhcp_h
|
|
|
|
#include "EthernetUdp.h"
|
|
|
|
/* DHCP state machine. */
|
|
#define STATE_DHCP_START 0
|
|
#define STATE_DHCP_DISCOVER 1
|
|
#define STATE_DHCP_REQUEST 2
|
|
#define STATE_DHCP_LEASED 3
|
|
#define STATE_DHCP_REREQUEST 4
|
|
#define STATE_DHCP_RELEASE 5
|
|
|
|
#define DHCP_FLAGSBROADCAST 0x8000
|
|
|
|
/* UDP port numbers for DHCP */
|
|
#define DHCP_SERVER_PORT 67 /* from server to client */
|
|
#define DHCP_CLIENT_PORT 68 /* from client to server */
|
|
|
|
/* DHCP message OP code */
|
|
#define DHCP_BOOTREQUEST 1
|
|
#define DHCP_BOOTREPLY 2
|
|
|
|
/* DHCP message type */
|
|
#define DHCP_DISCOVER 1
|
|
#define DHCP_OFFER 2
|
|
#define DHCP_REQUEST 3
|
|
#define DHCP_DECLINE 4
|
|
#define DHCP_ACK 5
|
|
#define DHCP_NAK 6
|
|
#define DHCP_RELEASE 7
|
|
#define DHCP_INFORM 8
|
|
|
|
#define DHCP_HTYPE10MB 1
|
|
#define DHCP_HTYPE100MB 2
|
|
|
|
#define DHCP_HLENETHERNET 6
|
|
#define DHCP_HOPS 0
|
|
#define DHCP_SECS 0
|
|
|
|
#define MAGIC_COOKIE 0x63825363
|
|
#define MAX_DHCP_OPT 16
|
|
|
|
#define HOST_NAME "WIZnet"
|
|
|
|
enum
|
|
{
|
|
padOption = 0,
|
|
subnetMask = 1,
|
|
timerOffset = 2,
|
|
routersOnSubnet = 3,
|
|
/* timeServer = 4,
|
|
nameServer = 5,*/
|
|
dns = 6,
|
|
/*logServer = 7,
|
|
cookieServer = 8,
|
|
lprServer = 9,
|
|
impressServer = 10,
|
|
resourceLocationServer = 11,*/
|
|
hostName = 12,
|
|
/*bootFileSize = 13,
|
|
meritDumpFile = 14,*/
|
|
domainName = 15,
|
|
/*swapServer = 16,
|
|
rootPath = 17,
|
|
extentionsPath = 18,
|
|
IPforwarding = 19,
|
|
nonLocalSourceRouting = 20,
|
|
policyFilter = 21,
|
|
maxDgramReasmSize = 22,
|
|
defaultIPTTL = 23,
|
|
pathMTUagingTimeout = 24,
|
|
pathMTUplateauTable = 25,
|
|
ifMTU = 26,
|
|
allSubnetsLocal = 27,
|
|
broadcastAddr = 28,
|
|
performMaskDiscovery = 29,
|
|
maskSupplier = 30,
|
|
performRouterDiscovery = 31,
|
|
routerSolicitationAddr = 32,
|
|
staticRoute = 33,
|
|
trailerEncapsulation = 34,
|
|
arpCacheTimeout = 35,
|
|
ethernetEncapsulation = 36,
|
|
tcpDefaultTTL = 37,
|
|
tcpKeepaliveInterval = 38,
|
|
tcpKeepaliveGarbage = 39,
|
|
nisDomainName = 40,
|
|
nisServers = 41,
|
|
ntpServers = 42,
|
|
vendorSpecificInfo = 43,
|
|
netBIOSnameServer = 44,
|
|
netBIOSdgramDistServer = 45,
|
|
netBIOSnodeType = 46,
|
|
netBIOSscope = 47,
|
|
xFontServer = 48,
|
|
xDisplayManager = 49,*/
|
|
dhcpRequestedIPaddr = 50,
|
|
dhcpIPaddrLeaseTime = 51,
|
|
/*dhcpOptionOverload = 52,*/
|
|
dhcpMessageType = 53,
|
|
dhcpServerIdentifier = 54,
|
|
dhcpParamRequest = 55,
|
|
/*dhcpMsg = 56,
|
|
dhcpMaxMsgSize = 57,*/
|
|
dhcpT1value = 58,
|
|
dhcpT2value = 59,
|
|
/*dhcpClassIdentifier = 60,*/
|
|
dhcpClientIdentifier = 61,
|
|
endOption = 255
|
|
};
|
|
|
|
typedef struct _RIP_MSG_FIXED
|
|
{
|
|
uint8_t op;
|
|
uint8_t htype;
|
|
uint8_t hlen;
|
|
uint8_t hops;
|
|
uint32_t xid;
|
|
uint16_t secs;
|
|
uint16_t flags;
|
|
uint8_t ciaddr[4];
|
|
uint8_t yiaddr[4];
|
|
uint8_t siaddr[4];
|
|
uint8_t giaddr[4];
|
|
uint8_t chaddr[6];
|
|
}RIP_MSG_FIXED;
|
|
|
|
class DhcpClass {
|
|
private:
|
|
uint32_t _dhcpInitialTransactionId;
|
|
uint32_t _dhcpTransactionId;
|
|
uint8_t _dhcpMacAddr[6];
|
|
uint8_t _dhcpLocalIp[4];
|
|
uint8_t _dhcpSubnetMask[4];
|
|
uint8_t _dhcpGatewayIp[4];
|
|
uint8_t _dhcpDhcpServerIp[4];
|
|
uint8_t _dhcpDnsServerIp[4];
|
|
EthernetUDP _dhcpUdpSocket;
|
|
|
|
void presend_DHCP();
|
|
void send_DHCP_MESSAGE(uint8_t, uint16_t);
|
|
void printByte(char *, uint8_t);
|
|
|
|
uint8_t parseDHCPResponse(unsigned long responseTimeout, uint32_t& transactionId);
|
|
public:
|
|
IPAddress getLocalIp();
|
|
IPAddress getSubnetMask();
|
|
IPAddress getGatewayIp();
|
|
IPAddress getDhcpServerIp();
|
|
IPAddress getDnsServerIp();
|
|
|
|
int beginWithDHCP(uint8_t *, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
|
|
};
|
|
|
|
#endif
|