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/* |
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AddressXlation.h |
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MacTCP name to address translation routines. |
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|
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Copyright Apple Computer, Inc. 1988 |
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All rights reserved |
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|
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*/ |
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|
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#ifndef __ADDRESSXLATION__ |
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#define __ADDRESSXLATION__ |
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|
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#include "MacTCP.h" |
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|
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#define NUM_ALT_ADDRS 4 |
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|
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struct hostInfo { |
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int _pad; /* XXX: i don't know why this is needed, but without it, |
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* StrToAddrProcPtr() returns everything shifted 2 bytes */ |
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int rtnCode; |
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char cname[255]; |
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unsigned long addr[NUM_ALT_ADDRS]; |
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}; |
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|
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enum AddrClasses { |
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A = 1, |
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NS, |
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CNAME = 5, |
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lastClass = 65535 |
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}; |
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|
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struct cacheEntryRecord { |
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char *cname; |
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unsigned short type; |
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enum AddrClasses class; |
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unsigned long ttl; |
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union { |
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char *name; |
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ip_addr addr; |
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} rdata; |
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}; |
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|
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typedef pascal void (*EnumResultProcPtr)(struct cacheEntryRecord *cacheEntryRecordPtr, |
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char *userDataPtr); |
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typedef pascal void (*ResultProcPtr)(struct hostInfo *hostInfoPtr, |
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char *userDataPtr); |
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|
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extern OSErr OpenResolver(char *fileName); |
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extern OSErr StrToAddr(char *hostName, struct hostInfo *hostInfoPtr, |
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ResultProcPtr resultProc, char *userDataPtr); |
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extern OSErr AddrToStr(unsigned long addr, char *addrStr); |
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extern OSErr EnumCache(EnumResultProcPtr enumResultProc, char *userDataPtr); |
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extern OSErr AddrToName(ip_addr addr, struct hostInfo *hostInfoPtr, |
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ResultProcPtr resultProc, char *userDataPtr); |
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extern OSErr CloseResolver(void); |
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|
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/* |
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* The above functions call into the dnr resource and pass the function id |
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* and function-specific arguments, so the compiler needs to know the types |
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*/ |
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typedef OSErr (*OpenResolverProcPtr)(UInt32, char *); |
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typedef OSErr (*CloseResolverProcPtr)(UInt32); |
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typedef OSErr (*StrToAddrProcPtr)(UInt32, char *hostName, |
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struct hostInfo *hostInfoPtr, ResultProcPtr resultProc, |
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char *userDataPtr); |
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typedef OSErr (*AddrToStrProcPtr)(UInt32, unsigned long addr, |
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char *addrStr); |
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typedef OSErr (*EnumCacheProcPtr)(UInt32, EnumResultProcPtr enumResultProc, |
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char *userDataPtr); |
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typedef OSErr (*AddrToNameProcPtr)(UInt32, ip_addr addr, |
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struct hostInfo *hostInfoPtr, ResultProcPtr resultProc, |
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char *userDataPtr); |
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|
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#endif |