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/*
* Copyright (c) 2006 XenSource, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef XEN_INTERNAL_H
#define XEN_INTERNAL_H
#include <inttypes.h>
#include <stdbool.h>
#include <stdlib.h>
#include "xen_common.h"
enum abstract_typename
{
VOID,
STRING,
INT,
FLOAT,
BOOL,
DATETIME,
SET,
MAP,
STRUCT,
REF,
ENUM,
ENUMSET
};
typedef struct
{
size_t size;
void *contents[];
} arbitrary_set;
typedef struct struct_member struct_member;
typedef struct abstract_type
{
enum abstract_typename typename;
const struct abstract_type *child;
const char * (*enum_marshaller)(int);
int (*enum_demarshaller)(xen_session *, const char *);
size_t struct_size;
size_t member_count;
const struct_member *members;
} abstract_type;
struct struct_member
{
const char *key;
const struct abstract_type *type;
int offset;
};
extern const abstract_type abstract_type_string;
extern const abstract_type abstract_type_int;
extern const abstract_type abstract_type_float;
extern const abstract_type abstract_type_bool;
extern const abstract_type abstract_type_datetime;
extern const abstract_type abstract_type_ref;
extern const abstract_type abstract_type_string_set;
extern const abstract_type abstract_type_ref_set;
extern const abstract_type abstract_type_string_string_map;
extern const abstract_type abstract_type_int_float_map;
extern const abstract_type abstract_type_int_int_map;
typedef struct abstract_value
{
const abstract_type *type;
union
{
const char *string_val;
int64_t int_val;
int enum_val;
double float_val;
bool bool_val;
arbitrary_set *set_val;
void *struct_val;
time_t datetime_val;
} u;
} abstract_value;
extern void
xen_call_(xen_session *s, const char *method_name, abstract_value params[],
int param_count, const abstract_type *result_type, void *value);
#define XEN_CALL_(method_name__) \
xen_call_(session, method_name__, param_values, \
sizeof(param_values) / sizeof(param_values[0]), \
&result_type, result) \
extern char *
xen_strdup_(const char *in);
extern int
xen_enum_lookup_(xen_session *session, const char *str,
const char **lookup_table, int n);
#define ENUM_LOOKUP(session__, str__, lookup_table__) \
xen_enum_lookup_(session__, str__, lookup_table__, \
sizeof(lookup_table__) / \
sizeof(lookup_table__[0])) \
#define XEN_ALLOC(type__) \
type__ * \
type__ ## _alloc() \
{ \
return calloc(1, sizeof(type__)); \
} \
#define XEN_FREE(type__) \
void \
type__ ## _free(type__ handle) \
{ \
free(handle); \
} \
#define XEN_SET_ALLOC_FREE(type__) \
type__ ## _set * \
type__ ## _set_alloc(size_t size) \
{ \
type__ ## _set *result = calloc(1, sizeof(type__ ## _set) + \
size * sizeof(type__)); \
result->size = size; \
return result; \
} \
\
void \
type__ ## _set_free(type__ ## _set *set) \
{ \
if (set == NULL) \
{ \
return; \
} \
size_t n = set->size; \
for (size_t i = 0; i < n; i++) \
{ \
type__ ## _free(set->contents[i]); \
} \
\
free(set); \
} \
#define XEN_RECORD_OPT_FREE(type__) \
void \
type__ ## _record_opt_free(type__ ## _record_opt *opt) \
{ \
if (opt == NULL) \
{ \
return; \
} \
if (opt->is_record) \
{ \
type__ ## _record_free(opt->u.record); \
} \
else \
{ \
type__ ## _free(opt->u.handle); \
} \
free(opt); \
} \
#endif
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