1 files changed, 0 insertions, 402 deletions

diff --git a/lib/tdb2/test/helprun-layout.c b/lib/tdb2/test/helprun-layout.c
deleted file mode 100644
index b9cd4a6432..0000000000
--- a/lib/tdb2/test/helprun-layout.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/* TDB tools to create various canned database layouts. */
-#include "layout.h"
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <ccan/err/err.h>
-#include "logging.h"
-
-struct tdb_layout *new_tdb_layout(void)
-{
-	struct tdb_layout *layout = malloc(sizeof(*layout));
-	layout->num_elems = 0;
-	layout->elem = NULL;
-	return layout;
-}
-
-static void add(struct tdb_layout *layout, union tdb_layout_elem elem)
-{
-	layout->elem = realloc(layout->elem,
-			       sizeof(layout->elem[0])
-			       * (layout->num_elems+1));
-	layout->elem[layout->num_elems++] = elem;
-}
-
-void tdb_layout_add_freetable(struct tdb_layout *layout)
-{
-	union tdb_layout_elem elem;
-	elem.base.type = FREETABLE;
-	add(layout, elem);
-}
-
-void tdb_layout_add_free(struct tdb_layout *layout, tdb_len_t len,
-			 unsigned ftable)
-{
-	union tdb_layout_elem elem;
-	elem.base.type = FREE;
-	elem.free.len = len;
-	elem.free.ftable_num = ftable;
-	add(layout, elem);
-}
-
-void tdb_layout_add_capability(struct tdb_layout *layout,
-			       uint64_t type,
-			       bool write_breaks,
-			       bool check_breaks,
-			       bool open_breaks,
-			       tdb_len_t extra)
-{
-	union tdb_layout_elem elem;
-	elem.base.type = CAPABILITY;
-	elem.capability.type = type;
-	if (write_breaks)
-		elem.capability.type |= TDB_CAP_NOWRITE;
-	if (open_breaks)
-		elem.capability.type |= TDB_CAP_NOOPEN;
-	if (check_breaks)
-		elem.capability.type |= TDB_CAP_NOCHECK;
-	elem.capability.extra = extra;
-	add(layout, elem);
-}
-
-static struct tdb_data dup_key(struct tdb_data key)
-{
-	struct tdb_data ret;
-	ret.dsize = key.dsize;
-	ret.dptr = malloc(ret.dsize);
-	memcpy(ret.dptr, key.dptr, ret.dsize);
-	return ret;
-}
-
-void tdb_layout_add_used(struct tdb_layout *layout,
-			 TDB_DATA key, TDB_DATA data,
-			 tdb_len_t extra)
-{
-	union tdb_layout_elem elem;
-	elem.base.type = DATA;
-	elem.used.key = dup_key(key);
-	elem.used.data = dup_key(data);
-	elem.used.extra = extra;
-	add(layout, elem);
-}
-
-static tdb_len_t free_record_len(tdb_len_t len)
-{
-	return sizeof(struct tdb_used_record) + len;
-}
-
-static tdb_len_t data_record_len(struct tle_used *used)
-{
-	tdb_len_t len;
-	len = sizeof(struct tdb_used_record)
-		+ used->key.dsize + used->data.dsize + used->extra;
-	assert(len >= sizeof(struct tdb_free_record));
-	return len;
-}
-
-static tdb_len_t hashtable_len(struct tle_hashtable *htable)
-{
-	return sizeof(struct tdb_used_record)
-		+ (sizeof(tdb_off_t) << TDB_SUBLEVEL_HASH_BITS)
-		+ htable->extra;
-}
-
-static tdb_len_t capability_len(struct tle_capability *cap)
-{
-	return sizeof(struct tdb_capability) + cap->extra;
-}
-
-static tdb_len_t freetable_len(struct tle_freetable *ftable)
-{
-	return sizeof(struct tdb_freetable);
-}
-
-static void set_free_record(void *mem, tdb_len_t len)
-{
-	/* We do all the work in add_to_freetable */
-}
-
-static void add_zero_pad(struct tdb_used_record *u, size_t len, size_t extra)
-{
-	if (extra)
-		((char *)(u + 1))[len] = '\0';
-}
-
-static void set_data_record(void *mem, struct tdb_context *tdb,
-			    struct tle_used *used)
-{
-	struct tdb_used_record *u = mem;
-
-	set_header(tdb, u, TDB_USED_MAGIC, used->key.dsize, used->data.dsize,
-		   used->key.dsize + used->data.dsize + used->extra,
-		   tdb_hash(tdb, used->key.dptr, used->key.dsize));
-	memcpy(u + 1, used->key.dptr, used->key.dsize);
-	memcpy((char *)(u + 1) + used->key.dsize,
-	       used->data.dptr, used->data.dsize);
-	add_zero_pad(u, used->key.dsize + used->data.dsize, used->extra);
-}
-
-static void set_hashtable(void *mem, struct tdb_context *tdb,
-			  struct tle_hashtable *htable)
-{
-	struct tdb_used_record *u = mem;
-	tdb_len_t len = sizeof(tdb_off_t) << TDB_SUBLEVEL_HASH_BITS;
-
-	set_header(tdb, u, TDB_HTABLE_MAGIC, 0, len, len + htable->extra, 0);
-	memset(u + 1, 0, len);
-	add_zero_pad(u, len, htable->extra);
-}
-
-static void set_capability(void *mem, struct tdb_context *tdb,
-			   struct tle_capability *cap, struct tdb_header *hdr,
-			   tdb_off_t last_cap)
-{
-	struct tdb_capability *c = mem;
-	tdb_len_t len = sizeof(*c) - sizeof(struct tdb_used_record) + cap->extra;
-
-	c->type = cap->type;
-	c->next = 0;
-	set_header(tdb, &c->hdr, TDB_CAP_MAGIC, 0, len, len, 0);
-
-	/* Append to capability list. */
-	if (!last_cap) {
-		hdr->capabilities = cap->base.off;
-	} else {
-		c = (struct tdb_capability *)((char *)hdr + last_cap);
-		c->next = cap->base.off;
-	}
-}
-
-static void set_freetable(void *mem, struct tdb_context *tdb,
-			 struct tle_freetable *freetable, struct tdb_header *hdr,
-			 tdb_off_t last_ftable)
-{
-	struct tdb_freetable *ftable = mem;
-	memset(ftable, 0, sizeof(*ftable));
-	set_header(tdb, &ftable->hdr, TDB_FTABLE_MAGIC, 0,
-			sizeof(*ftable) - sizeof(ftable->hdr),
-			sizeof(*ftable) - sizeof(ftable->hdr), 0);
-
-	if (last_ftable) {
-		ftable = (struct tdb_freetable *)((char *)hdr + last_ftable);
-		ftable->next = freetable->base.off;
-	} else {
-		hdr->free_table = freetable->base.off;
-	}
-}
-
-static void add_to_freetable(struct tdb_context *tdb,
-			     tdb_off_t eoff,
-			     tdb_off_t elen,
-			     unsigned ftable,
-			     struct tle_freetable *freetable)
-{
-	tdb->ftable_off = freetable->base.off;
-	tdb->ftable = ftable;
-	add_free_record(tdb, eoff, sizeof(struct tdb_used_record) + elen,
-			TDB_LOCK_WAIT, false);
-}
-
-static tdb_off_t hbucket_off(tdb_off_t group_start, unsigned ingroup)
-{
-	return group_start
-		+ (ingroup % (1 << TDB_HASH_GROUP_BITS)) * sizeof(tdb_off_t);
-}
-
-/* Get bits from a value. */
-static uint32_t bits(uint64_t val, unsigned start, unsigned num)
-{
-	assert(num <= 32);
-	return (val >> start) & ((1U << num) - 1);
-}
-
-/* We take bits from the top: that way we can lock whole sections of the hash
- * by using lock ranges. */
-static uint32_t use_bits(uint64_t h, unsigned num, unsigned *used)
-{
-	*used += num;
-	return bits(h, 64 - *used, num);
-}
-
-static tdb_off_t encode_offset(tdb_off_t new_off, unsigned bucket,
-			       uint64_t h)
-{
-	return bucket
-		| new_off
-		| ((uint64_t)bits(h, 64 - TDB_OFF_UPPER_STEAL_EXTRA,
-				  TDB_OFF_UPPER_STEAL_EXTRA)
-		   << TDB_OFF_HASH_EXTRA_BIT);
-}
-
-/* FIXME: Our hash table handling here is primitive: we don't expand! */
-static void add_to_hashtable(struct tdb_context *tdb,
-			     tdb_off_t eoff,
-			     struct tdb_data key)
-{
-	uint64_t h = tdb_hash(tdb, key.dptr, key.dsize);
-	tdb_off_t b_off, group_start;
-	unsigned i, group, in_group;
-	unsigned used = 0;
-
-	group = use_bits(h, TDB_TOPLEVEL_HASH_BITS-TDB_HASH_GROUP_BITS, &used);
-	in_group = use_bits(h, TDB_HASH_GROUP_BITS, &used);
-
-	group_start = offsetof(struct tdb_header, hashtable)
-		+ group * (sizeof(tdb_off_t) << TDB_HASH_GROUP_BITS);
-
-	for (i = 0; i < (1 << TDB_HASH_GROUP_BITS); i++) {
-		unsigned bucket = (in_group + i) % (1 << TDB_HASH_GROUP_BITS);
-
-		b_off = hbucket_off(group_start, bucket);
-		if (tdb_read_off(tdb, b_off) == 0) {
-			tdb_write_off(tdb, b_off,
-				      encode_offset(eoff, in_group, h));
-			return;
-		}
-	}
-	abort();
-}
-
-static struct tle_freetable *find_ftable(struct tdb_layout *layout, unsigned num)
-{
-	unsigned i;
-
-	for (i = 0; i < layout->num_elems; i++) {
-		if (layout->elem[i].base.type != FREETABLE)
-			continue;
-		if (num == 0)
-			return &layout->elem[i].ftable;
-		num--;
-	}
-	abort();
-}
-
-/* FIXME: Support TDB_CONVERT */
-struct tdb_context *tdb_layout_get(struct tdb_layout *layout,
-				   void (*freefn)(void *),
-				   union tdb_attribute *attr)
-{
-	unsigned int i;
-	tdb_off_t off, len, last_ftable, last_cap;
-	char *mem;
-	struct tdb_context *tdb;
-
-	off = sizeof(struct tdb_header);
-
-	/* First pass of layout: calc lengths */
-	for (i = 0; i < layout->num_elems; i++) {
-		union tdb_layout_elem *e = &layout->elem[i];
-		e->base.off = off;
-		switch (e->base.type) {
-		case FREETABLE:
-			len = freetable_len(&e->ftable);
-			break;
-		case FREE:
-			len = free_record_len(e->free.len);
-			break;
-		case DATA:
-			len = data_record_len(&e->used);
-			break;
-		case HASHTABLE:
-			len = hashtable_len(&e->hashtable);
-			break;
-		case CAPABILITY:
-			len = capability_len(&e->capability);
-			break;
-		default:
-			abort();
-		}
-		off += len;
-	}
-
-	mem = malloc(off);
-	/* Fill with some weird pattern. */
-	memset(mem, 0x99, off);
-	/* Now populate our header, cribbing from a real TDB header. */
-	tdb = tdb_open(NULL, TDB_INTERNAL, O_RDWR, 0, attr);
-	memcpy(mem, tdb->file->map_ptr, sizeof(struct tdb_header));
-
-	/* Mug the tdb we have to make it use this. */
-	freefn(tdb->file->map_ptr);
-	tdb->file->map_ptr = mem;
-	tdb->file->map_size = off;
-
-	last_ftable = 0;
-	last_cap = 0;
-	for (i = 0; i < layout->num_elems; i++) {
-		union tdb_layout_elem *e = &layout->elem[i];
-		switch (e->base.type) {
-		case FREETABLE:
-			set_freetable(mem + e->base.off, tdb, &e->ftable,
-				     (struct tdb_header *)mem, last_ftable);
-			last_ftable = e->base.off;
-			break;
-		case FREE:
-			set_free_record(mem + e->base.off, e->free.len);
-			break;
-		case DATA:
-			set_data_record(mem + e->base.off, tdb, &e->used);
-			break;
-		case HASHTABLE:
-			set_hashtable(mem + e->base.off, tdb, &e->hashtable);
-			break;
-		case CAPABILITY:
-			set_capability(mem + e->base.off, tdb, &e->capability,
-				       (struct tdb_header *)mem, last_cap);
-			last_cap = e->base.off;
-			break;
-		}
-	}
-	/* Must have a free table! */
-	assert(last_ftable);
-
-	/* Now fill the free and hash tables. */
-	for (i = 0; i < layout->num_elems; i++) {
-		union tdb_layout_elem *e = &layout->elem[i];
-		switch (e->base.type) {
-		case FREE:
-			add_to_freetable(tdb, e->base.off, e->free.len,
-					 e->free.ftable_num,
-					 find_ftable(layout, e->free.ftable_num));
-			break;
-		case DATA:
-			add_to_hashtable(tdb, e->base.off, e->used.key);
-			break;
-		default:
-			break;
-		}
-	}
-
-	tdb->ftable_off = find_ftable(layout, 0)->base.off;
-	return tdb;
-}
-
-void tdb_layout_write(struct tdb_layout *layout, void (*freefn)(void *),
-		       union tdb_attribute *attr, const char *filename)
-{
-	struct tdb_context *tdb = tdb_layout_get(layout, freefn, attr);
-	int fd;
-
-	fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT,  0600);
-	if (fd < 0)
-		err(1, "opening %s for writing", filename);
-	if (write(fd, tdb->file->map_ptr, tdb->file->map_size)
-	    != tdb->file->map_size)
-		err(1, "writing %s", filename);
-	close(fd);
-	tdb_close(tdb);
-}
-
-void tdb_layout_free(struct tdb_layout *layout)
-{
-	unsigned int i;
-
-	for (i = 0; i < layout->num_elems; i++) {
-		if (layout->elem[i].base.type == DATA) {
-			free(layout->elem[i].used.key.dptr);
-			free(layout->elem[i].used.data.dptr);
-		}
-	}
-	free(layout->elem);
-	free(layout);
-}