[SCM] Samba Shared Repository - branch v3-2-test updated -
initial-v3-2-unstable-1011-g1e006bc
Volker Lendecke
vl at samba.org
Thu Jan 3 09:26:04 GMT 2008
The branch, v3-2-test has been updated
via 1e006bcfb15d44ecb81b6994c588d30d87b48033 (commit)
via 6f22f7c13fd08ee772ac3aa593d2f4b37eb2cbee (commit)
from 9369d6e907a49da1fbf2a5690118412b8d1a0383 (commit)
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-2-test
- Log -----------------------------------------------------------------
commit 1e006bcfb15d44ecb81b6994c588d30d87b48033
Author: Volker Lendecke <vl at samba.org>
Date: Thu Jan 3 10:24:45 2008 +0100
Trivial simplification
... things you come across when you review code
commit 6f22f7c13fd08ee772ac3aa593d2f4b37eb2cbee
Author: Volker Lendecke <vl at samba.org>
Date: Thu Jan 3 10:24:11 2008 +0100
Add comments
Jeremy was able to use this correctly without comments, so the code can't be
*that* bad :-)
-----------------------------------------------------------------------
Summary of changes:
source/include/memcache.h | 55 ++++++++++++++++++++++++++++++++++++++++++++-
source/lib/util_sock.c | 5 +--
2 files changed, 56 insertions(+), 4 deletions(-)
Changeset truncated at 500 lines:
diff --git a/source/include/memcache.h b/source/include/memcache.h
index 5a0ce63..0a596b9 100644
--- a/source/include/memcache.h
+++ b/source/include/memcache.h
@@ -1,7 +1,7 @@
/*
Unix SMB/CIFS implementation.
In-memory cache
- Copyright (C) Volker Lendecke 2005-2007
+ Copyright (C) Volker Lendecke 2007-2008
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -24,6 +24,15 @@
struct memcache;
+/*
+ * A memcache can store different subkeys with overlapping keys, the
+ * memcache_number becomes part of the key. Feel free to add caches of your
+ * own here.
+ *
+ * If you add talloc type caches, also note this in the switch statement in
+ * memcache_is_talloc().
+ */
+
enum memcache_number {
STAT_CACHE,
UID_SID_CACHE,
@@ -38,25 +47,69 @@ enum memcache_number {
SINGLETON_CACHE
};
+/*
+ * Create a memcache structure. max_size is in bytes, if you set it 0 it will
+ * not forget anything.
+ */
+
struct memcache *memcache_init(TALLOC_CTX *mem_ctx, size_t max_size);
+/*
+ * If you set this global memcache, use it as the default cache when NULL is
+ * passed to the memcache functions below. This is a workaround for many
+ * situations where passing the cache everywhere would be a big hassle.
+ */
+
void memcache_set_global(struct memcache *cache);
+/*
+ * Add a data blob to the cache
+ */
+
void memcache_add(struct memcache *cache, enum memcache_number n,
DATA_BLOB key, DATA_BLOB value);
+/*
+ * Add a talloc object to the cache. The difference to memcache_add() is that
+ * when the objects is to be discared, talloc_free is called for it. Also
+ * talloc_move() ownership of the object to the cache.
+ *
+ * Please note that the current implementation has a fixed relationship
+ * between what cache subtypes store talloc objects and which ones store plain
+ * blobs. We can fix this, but for now we don't have a mixed use of blobs vs
+ * talloc objects in the cache types.
+ */
+
void memcache_add_talloc(struct memcache *cache, enum memcache_number n,
DATA_BLOB key, void *ptr);
+/*
+ * Delete an object from the cache
+ */
+
void memcache_delete(struct memcache *cache, enum memcache_number n,
DATA_BLOB key);
+/*
+ * Look up an object from the cache. Memory still belongs to the cache, so
+ * make a copy of it if needed.
+ */
+
bool memcache_lookup(struct memcache *cache, enum memcache_number n,
DATA_BLOB key, DATA_BLOB *value);
+/*
+ * Look up an object from the cache. Memory still belongs to the cache, so
+ * make a copy of it if needed.
+ */
+
void *memcache_lookup_talloc(struct memcache *cache, enum memcache_number n,
DATA_BLOB key);
+/*
+ * Flush a complete cache subset.
+ */
+
void memcache_flush(struct memcache *cache, enum memcache_number n);
#endif
diff --git a/source/lib/util_sock.c b/source/lib/util_sock.c
index 013a5fe..b92cd3d 100644
--- a/source/lib/util_sock.c
+++ b/source/lib/util_sock.c
@@ -1864,8 +1864,7 @@ static void store_nc(const struct name_addr_pair *nc)
DATA_BLOB tmp;
size_t namelen = strlen(nc->name);
- tmp.length = sizeof(nc->ss) + namelen + 1;
- tmp.data = (uint8_t *)SMB_MALLOC(tmp.length);
+ tmp = data_blob(NULL, sizeof(nc->ss) + namelen + 1);
if (!tmp.data) {
return;
}
@@ -1875,7 +1874,7 @@ static void store_nc(const struct name_addr_pair *nc)
memcache_add(NULL, SINGLETON_CACHE,
data_blob_string_const("get_peer_name"),
tmp);
- SAFE_FREE(tmp.data);
+ data_blob_free(&tmp);
}
/*******************************************************************
--
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