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/*
* Copyright (C) 2009 Citrix Ltd.
* Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
*
* This program 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; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* This program 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.
*/
#include "libxl_osdeps.h"
#include <string.h>
#include <stddef.h>
#include <stdio.h>
#include <stdarg.h>
#include <inttypes.h>
#include "libxl.h"
#include "libxl_internal.h"
char **libxl__xs_kvs_of_flexarray(libxl__gc *gc, flexarray_t *array, int length)
{
char **kvs;
int i;
if (!length)
return NULL;
kvs = libxl__calloc(gc, length + 2, sizeof(char *));
if (kvs) {
for (i = 0; i < length; i += 2) {
void *ptr;
flexarray_get(array, i, &ptr);
kvs[i] = (char *) ptr;
flexarray_get(array, i + 1, &ptr);
kvs[i + 1] = (char *) ptr;
}
kvs[i] = NULL;
kvs[i + 1] = NULL;
}
return kvs;
}
int libxl__xs_writev_perms(libxl__gc *gc, xs_transaction_t t,
char *dir, char *kvs[],
struct xs_permissions *perms,
unsigned int num_perms)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
char *path;
int i;
if (!kvs)
return 0;
for (i = 0; kvs[i] != NULL; i += 2) {
path = libxl__sprintf(gc, "%s/%s", dir, kvs[i]);
if (path && kvs[i + 1]) {
int length = strlen(kvs[i + 1]);
xs_write(ctx->xsh, t, path, kvs[i + 1], length);
if (perms)
xs_set_permissions(ctx->xsh, t, path, perms, num_perms);
}
}
return 0;
}
int libxl__xs_writev(libxl__gc *gc, xs_transaction_t t,
char *dir, char *kvs[])
{
return libxl__xs_writev_perms(gc, t, dir, kvs, NULL, 0);
}
int libxl__xs_write(libxl__gc *gc, xs_transaction_t t,
char *path, char *fmt, ...)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
char *s;
va_list ap;
int ret;
va_start(ap, fmt);
ret = vasprintf(&s, fmt, ap);
va_end(ap);
if (ret == -1) {
return -1;
}
xs_write(ctx->xsh, t, path, s, ret);
free(s);
return 0;
}
char * libxl__xs_read(libxl__gc *gc, xs_transaction_t t, char *path)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
char *ptr;
ptr = xs_read(ctx->xsh, t, path, NULL);
if (ptr != NULL) {
libxl__ptr_add(gc, ptr);
return ptr;
}
return 0;
}
char *libxl__xs_get_dompath(libxl__gc *gc, uint32_t domid)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
char *s = xs_get_domain_path(ctx->xsh, domid);
if (!s) {
LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR, "failed to get dompath for %" PRIu32,
domid);
return NULL;
}
libxl__ptr_add(gc, s);
return s;
}
char **libxl__xs_directory(libxl__gc *gc, xs_transaction_t t, char *path, unsigned int *nb)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
char **ret = NULL;
ret = xs_directory(ctx->xsh, XBT_NULL, path, nb);
libxl__ptr_add(gc, ret);
return ret;
}
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