185 lines
4.8 KiB
C
185 lines
4.8 KiB
C
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/*++
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Copyright (c) 1995-1998 Microsoft Corporation
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Module Name:
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lkuptst.h
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Abstract:
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Contains routines for testing an implementation
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for the generalized best matching prefix lookup
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interface.
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Author:
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Chaitanya Kodeboyina (chaitk) 30-Jun-1998
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Revision History:
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--*/
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#ifndef __LKUPTST_H
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#define __LKUPTST_H
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#include "lookup.h"
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// Constants
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#define MAX_FNAME_LEN 255
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#define MAX_LINE_LEN 255
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#define BITSINBYTE 8
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#define ADDRSIZE 32
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#define NUMBYTES 4
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#define MAXLEVEL 32
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#define MAXROUTES 64000
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#define ERROR_IPLMISC_BASE -100
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#define ERROR_WRONG_CMDUSAGE ERROR_IPLMISC_BASE - 1
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#define ERROR_OPENING_DATABASE ERROR_IPLMISC_BASE - 2
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#define ERROR_MAX_NUM_ROUTES ERROR_IPLMISC_BASE - 3
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// Macros
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#define FHalf(B) (B) >> 4
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#define BHalf(B) (B) & 0xF
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#define Print printf
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#define Assert(S) assert(S)
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#define SUCCESS(S) (S == NO_ERROR)
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#define Error(S, E) { \
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fprintf(stderr, S, E); \
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}
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#define Fatal(S, E) { \
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fprintf(stderr, S, E); \
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exit(E); \
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}
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#define ClearMemory(pm, nb) memset((pm), 0, (nb))
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#if PROF
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#define PROFVARS LARGE_INTEGER PCStart; /* PerformanceCountStart */ \
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LARGE_INTEGER PCStop; /* PerformanceCountStop */ \
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LARGE_INTEGER PCFreq; /* PerformanceCountFreq */ \
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double timer; \
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double duration; \
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\
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QueryPerformanceFrequency(&PCFreq); \
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// Print("Perf Counter Resolution = %.3f ns\n\n", \
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// (double) 1000 * 1000 * 1000 / PCFreq.QuadPart);
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#define STARTPROF QueryPerformanceCounter(&PCStart);
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#define STOPPROF QueryPerformanceCounter(&PCStop);
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#define INITPROF duration = 0;
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#define ADDPROF timer = (double)(PCStop.QuadPart - PCStart.QuadPart) \
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* 1000 * 1000 * 1000 / PCFreq.QuadPart; \
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duration += timer; \
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// Print("Add : %.3f ns\n\n", timer);
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#define SUBPROF timer = (double)(PCStop.QuadPart - PCStart.QuadPart) \
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* 1000 * 1000 * 1000 / PCFreq.QuadPart; \
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duration -= timer; \
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// Print("Sub : %.3f ns\n\n", timer);
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#define PRINTPROF // Print("Total Time Taken To Finish : %.3f ns\n", \
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// duration);
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#endif // if PROF
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// Route Structures
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typedef ULONG IPAddr;
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typedef ULONG IPMask;
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// A Route Corr. to a Prefix
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typedef struct _Route Route;
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struct _Route
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{
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IPAddr addr; // ULONG (32 bits) representing addr
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IPMask mask; // ULONG (32 bits) representing mask
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IPAddr nexthop; // ULONG (32 bits) for next hop addr
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USHORT len; // Num of bits in the address route
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UINT metric; // A measure to compare routes with
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PVOID interface; // Interface on which packet is sent
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LOOKUP_LINKAGE backptr; // Points back to the lookup structure
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};
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// Route Macros
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#define DEST(_pRoute_) ((_pRoute_)->addr)
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#define MASK(_pRoute_) ((_pRoute_)->mask)
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#define NHOP(_pRoute_) ((_pRoute_)->nexthop)
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#define LEN(_pRoute_) ((_pRoute_)->len)
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#define METRIC(_pRoute_) ((_pRoute_)->metric)
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#define IF(_pRoute_) ((_pRoute_)->interface)
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#define NULL_ROUTE(_pRoute_) (_pRoute_ == NULL)
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// Prototypes
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DWORD
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WorkOnLookup (
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IN Route *InputRoutes,
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IN UINT NumRoutes
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);
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VOID
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ReadAddrAndGetRoute (
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IN PVOID Table
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);
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VOID
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EnumerateAllRoutes (
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IN PVOID Table
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);
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UINT ReadRoutesFromFile(
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IN FILE *FilePtr,
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IN UINT NumRoutes,
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OUT Route *RouteTable
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);
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INT
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ReadRoute (
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IN FILE *FilePtr,
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OUT Route *route
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);
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VOID
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PrintRoute (
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IN Route *route
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);
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INT
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ReadIPAddr (
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IN FILE *FilePtr,
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OUT ULONG *addr
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);
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VOID
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PrintIPAddr (
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IN ULONG *addr
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);
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VOID
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Usage (
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VOID
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);
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#endif // __LKUPTST_H
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