80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
|
/*
|
||
|
* QEMU Guest Agent command state interfaces
|
||
|
*
|
||
|
* Copyright IBM Corp. 2011
|
||
|
*
|
||
|
* Authors:
|
||
|
* Michael Roth <mdroth@linux.vnet.ibm.com>
|
||
|
*
|
||
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
||
|
* See the COPYING file in the top-level directory.
|
||
|
*/
|
||
|
#include "qemu/osdep.h"
|
||
|
#include "guest-agent-core.h"
|
||
|
|
||
|
struct GACommandState {
|
||
|
GSList *groups;
|
||
|
};
|
||
|
|
||
|
typedef struct GACommandGroup {
|
||
|
void (*init)(void);
|
||
|
void (*cleanup)(void);
|
||
|
} GACommandGroup;
|
||
|
|
||
|
/* handle init/cleanup for stateful guest commands */
|
||
|
|
||
|
void ga_command_state_add(GACommandState *cs,
|
||
|
void (*init)(void),
|
||
|
void (*cleanup)(void))
|
||
|
{
|
||
|
GACommandGroup *cg = g_new0(GACommandGroup, 1);
|
||
|
cg->init = init;
|
||
|
cg->cleanup = cleanup;
|
||
|
cs->groups = g_slist_append(cs->groups, cg);
|
||
|
}
|
||
|
|
||
|
static void ga_command_group_init(gpointer opaque, gpointer unused)
|
||
|
{
|
||
|
GACommandGroup *cg = opaque;
|
||
|
|
||
|
g_assert(cg);
|
||
|
if (cg->init) {
|
||
|
cg->init();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void ga_command_state_init_all(GACommandState *cs)
|
||
|
{
|
||
|
g_assert(cs);
|
||
|
g_slist_foreach(cs->groups, ga_command_group_init, NULL);
|
||
|
}
|
||
|
|
||
|
static void ga_command_group_cleanup(gpointer opaque, gpointer unused)
|
||
|
{
|
||
|
GACommandGroup *cg = opaque;
|
||
|
|
||
|
g_assert(cg);
|
||
|
if (cg->cleanup) {
|
||
|
cg->cleanup();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void ga_command_state_cleanup_all(GACommandState *cs)
|
||
|
{
|
||
|
g_assert(cs);
|
||
|
g_slist_foreach(cs->groups, ga_command_group_cleanup, NULL);
|
||
|
}
|
||
|
|
||
|
GACommandState *ga_command_state_new(void)
|
||
|
{
|
||
|
GACommandState *cs = g_new0(GACommandState, 1);
|
||
|
cs->groups = NULL;
|
||
|
return cs;
|
||
|
}
|
||
|
|
||
|
void ga_command_state_free(GACommandState *cs)
|
||
|
{
|
||
|
g_slist_free_full(cs->groups, g_free);
|
||
|
g_free(cs);
|
||
|
}
|