ref: 19b480838af1721b833f6cd7575e994a5d55071d
dir: /sys/src/cmd/ip/dhcpd/dat.h/
#include "../dhcp.h"
enum
{
Maxstr= 256,
};
typedef struct Binding Binding;
struct Binding
{
Binding *next;
uchar ip[IPaddrlen];
char *boundto; /* id last bound to */
char *offeredto; /* id we've offered this to */
long lease; /* absolute time at which binding expires */
long expoffer; /* absolute time at which offer times out */
long offer; /* lease offered */
long lasttouched; /* time this entry last assigned/unassigned */
long lastcomplained; /* last time we complained about a used but not leased */
long tried; /* last time we tried this entry */
Qid q; /* qid at the last syncbinding */
};
typedef struct Info Info;
struct Info
{
int indb; /* true when found in ndb */
Ipifc *ifc; /* ifc when directly connected */
uchar ipaddr[NDB_IPlen]; /* ip address of system */
uchar ipmask[NDB_IPlen]; /* ip network mask */
uchar ipnet[NDB_IPlen]; /* ip network address (ipaddr & ipmask) */
char domain[Maxstr]; /* system domain name */
char bootf[Maxstr]; /* boot file */
char bootf2[Maxstr]; /* alternative boot file */
uchar tftp[NDB_IPlen]; /* ip addr of tftp server */
uchar tftp2[NDB_IPlen]; /* ip addr of alternate server */
uchar gwip[NDB_IPlen]; /* gateway ip address */
uchar fsip[NDB_IPlen]; /* file system ip address */
uchar auip[NDB_IPlen]; /* authentication server ip address */
uchar rootserverip[NDB_IPlen]; /* ip addr of root nfs server */
char rootpath[Maxstr]; /* rootfs for diskless nfs clients */
char vendor[Maxstr]; /* vendor info */
};
/* from dhcp.c */
extern int validip(uchar*);
extern void fatal(char*, ...);
extern void warning(char*, ...);
#pragma varargck argpos fatal 1
#pragma varargck argpos warning 1
extern int minlease;
/* from db.c */
extern char* toid(uchar*, int);
extern void initbinding(uchar*, int);
extern Binding* iptobinding(uchar*, int);
extern Binding* idtobinding(char*, Info*, int);
extern Binding* idtooffer(char*, Info*);
extern int commitbinding(Binding*);
extern int releasebinding(Binding*, char*);
extern int samenet(uchar *ip, Info *iip);
extern void mkoffer(Binding*, char*, long);
extern int syncbinding(Binding*, int);
/* from ndb.c */
extern int lookup(Bootp*, Info*, Info*);
extern int lookupip(uchar*, char*, char*, Info*, int);
extern void lookupname(char*, int, Ndbtuple*);
extern Ipifc* findifc(uchar*);
extern Iplifc* localonifc(uchar*, Ipifc*);
extern void localip(uchar*, uchar*, Ipifc*);
extern int lookupserver(char*, uchar**, int, Ndbtuple *t);
extern Ndbtuple* lookupinfo(uchar *ipaddr, char **attr, int n);
/* from icmp.c */
extern int icmpecho(uchar*);
extern char *binddir;
extern int debug;
extern char *blog;
extern Ipifc *ipifcs;
extern long now;
extern char *ndbfile;
extern uchar zeros[];