Add trivial malloc backed storage backend.

git-svn-id: http://www.varnish-cache.org/svn/trunk@140 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/Makefile.am

@@ -17,6 +17,7 @@ varnishd_SOURCES = \
 	cli_event.c \
 	hash_simple_list.c \
 	mgt_child.c \
+	storage_malloc.c \
 	tcp.c \
 	varnishd.c
 

bin/varnishd/cache.h

@@ -30,6 +30,28 @@ struct hash_slinger {
 
 extern struct hash_slinger hsl_slinger;
 
+/* Storage -----------------------------------------------------------*/
+
+struct storage {
+	TAILQ_ENTRY(storage)	list;
+	void			*ptr;
+	unsigned		len;
+	void			*priv;
+};
+
+typedef void storage_init_f(void);
+typedef struct storage *storage_alloc_f(unsigned size);
+typedef void storage_free_f(struct storage *);
+
+struct stevedore {
+	const char		*name;
+	storage_init_f		*init;
+	storage_alloc_f		*alloc;
+	storage_free_f		*free;
+};
+
+extern struct stevedore sma_stevedore;
+
 /* Prototypes etc ----------------------------------------------------*/
 
 

bin/varnishd/storage_malloc.c

+/*
+ * $Id$
+ *
+ * Storage method based on malloc(3)
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <sys/queue.h>
+#include <pthread.h>
+
+#include "vcl_lang.h"
+#include "cache.h"
+
+struct sma {
+	struct storage		s;
+};
+
+static void
+sma_init(void)
+{
+}
+
+static struct storage *
+sma_alloc(unsigned size)
+{
+	struct sma *sma;
+
+	sma = calloc(sizeof *sma, 1);
+	assert(sma != NULL);
+	sma->s.priv = sma;
+	sma->s.ptr = malloc(size);
+	assert(sma->s.ptr != NULL);
+	sma->s.len = size;
+	return (&sma->s);
+}
+
+static void
+sma_free(struct storage *s)
+{
+	struct sma *sma;
+
+	sma = s->priv;
+	free(sma->s.ptr);
+	free(sma);
+}
+
+struct stevedore sma_stevedore = {
+	"Malloc",
+	sma_init,
+	sma_alloc,
+	sma_free
+};