From adbb83845c5d3cb02343d7613cfb8385aa909909 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 18 Jan 2005 05:25:09 +0000
Subject: remove venti for now

---
 src/cmd/venti/buildindex.c | 139 ---------------------------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 src/cmd/venti/buildindex.c

(limited to 'src/cmd/venti/buildindex.c')

diff --git a/src/cmd/venti/buildindex.c b/src/cmd/venti/buildindex.c
deleted file mode 100644
index 8058ba09..00000000
--- a/src/cmd/venti/buildindex.c
+++ /dev/null
@@ -1,139 +0,0 @@
-#include "stdinc.h"
-#include "dat.h"
-#include "fns.h"
-
-static int
-writebucket(Index *ix, u32int buck, IBucket *ib, ZBlock *b)
-{
-	ISect *is;
-
-	is = findibucket(ix, buck, &buck);
-	if(is == nil)
-		return -1;
-	qlock(&stats.lock);
-	stats.indexwrites++;
-	qunlock(&stats.lock);
-	packibucket(ib, b->data);
-	return writepart(is->part, is->blockbase + ((u64int)buck << is->blocklog), b->data, is->blocksize);
-}
-
-static int
-buildindex(Index *ix, Part *part, u64int off, u64int clumps, int zero)
-{
-	IEStream *ies;
-	IBucket ib, zib;
-	ZBlock *z, *b;
-	u32int next, buck;
-	int ok;
-	u64int found = 0;
-
-//ZZZ make buffer size configurable
-	b = alloczblock(ix->blocksize, 0);
-	z = alloczblock(ix->blocksize, 1);
-	ies = initiestream(part, off, clumps, 64*1024);
-	if(b == nil || z == nil || ies == nil){
-		ok = 0;
-		goto breakout;
-		return -1;
-	}
-	ok = 0;
-	next = 0;
-	ib.data = b->data + IBucketSize;
-	zib.data = z->data + IBucketSize;
-	zib.n = 0;
-	zib.depth = 0;
-	for(;;){
-		buck = buildbucket(ix, ies, &ib);
-		found += ib.n;
-		if(zero){
-			for(; next != buck; next++){
-				if(next == ix->buckets){
-					if(buck != TWID32){
-						fprint(2, "bucket out of range\n");
-						ok = -1;
-					}
-					goto breakout;
-				}
-				if(writebucket(ix, next, &zib, z) < 0){
-					fprint(2, "can't write zero bucket to buck=%d: %r", next);
-					ok = -1;
-				}
-			}
-		}
-		if(buck >= ix->buckets){
-			if(buck == TWID32)
-				break;
-			fprint(2, "bucket out of range\n");
-			ok = -1;
-			goto breakout;
-		}
-		if(writebucket(ix, buck, &ib, b) < 0){
-			fprint(2, "bad bucket found=%lld: %r\n", found);
-			ok = -1;
-		}
-		next = buck + 1;
-	}
-breakout:;
-	fprint(2, "constructed index with %lld entries\n", found);
-	freeiestream(ies);
-	freezblock(z);
-	freezblock(b);
-	return ok;
-}
-
-void
-usage(void)
-{
-	fprint(2, "usage: buildindex [-Z] [-B blockcachesize] config tmppart\n");
-	threadexitsall(0);
-}
-
-void
-threadmain(int argc, char *argv[])
-{
-	Part *part;
-	u64int clumps, base;
-	u32int bcmem;
-	int zero;
-
-	zero = 1;
-	bcmem = 0;
-	ARGBEGIN{
-	case 'B':
-		bcmem = unittoull(ARGF());
-		break;
-	case 'Z':
-		zero = 0;
-		break;
-	default:
-		usage();
-		break;
-	}ARGEND
-
-	if(argc != 2)
-		usage();
-
-	if(initventi(argv[0]) < 0)
-		sysfatal("can't init venti: %r");
-
-	if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
-		bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
-	fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
-	initdcache(bcmem);
-
-	fprint(2, "building a new index %s using %s for temporary storage\n", mainindex->name, argv[1]);
-
-	part = initpart(argv[1], 1);
-	if(part == nil)
-		sysfatal("can't initialize temporary partition: %r");
-
-	clumps = sortrawientries(mainindex, part, &base);
-	if(clumps == TWID64)
-		sysfatal("can't build sorted index: %r");
-	fprint(2, "found and sorted index entries for clumps=%lld at %lld\n", clumps, base);
-
-	if(buildindex(mainindex, part, base, clumps, zero) < 0)
-		sysfatal("can't build new index: %r");
-	
-	threadexitsall(0);
-}
-- 
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