//#define DEBUG_MIGRATION
#ifdef DEBUG_MIGRATION
-#define dprintf(fmt, ...) \
+#define DPRINTF(fmt, ...) \
do { printf("migration: " fmt, ## __VA_ARGS__); } while (0)
#else
-#define dprintf(fmt, ...) \
+#define DPRINTF(fmt, ...) \
do { } while (0)
#endif
return max_downtime;
}
-void do_migrate_set_downtime(Monitor *mon, const QDict *qdict)
+void do_migrate_set_downtime(Monitor *mon, const QDict *qdict,
+ QObject **ret_data)
{
- char *ptr;
double d;
- const char *value = qdict_get_str(qdict, "value");
-
- d = strtod(value, &ptr);
- if (!strcmp(ptr,"ms")) {
- d *= 1000000;
- } else if (!strcmp(ptr,"us")) {
- d *= 1000;
- } else if (!strcmp(ptr,"ns")) {
- } else {
- /* all else considered to be seconds */
- d *= 1000000000;
- }
+ d = qdict_get_double(qdict, "value") * 1e9;
+ d = MAX(0, MIN(UINT64_MAX, d));
max_downtime = (uint64_t)d;
}
{
s->mon = mon;
if (monitor_suspend(mon) == 0) {
- dprintf("suspending monitor\n");
+ DPRINTF("suspending monitor\n");
} else {
monitor_printf(mon, "terminal does not allow synchronous "
"migration, continuing detached\n");
void migrate_fd_error(FdMigrationState *s)
{
- dprintf("setting error state\n");
+ DPRINTF("setting error state\n");
s->state = MIG_STATE_ERROR;
migrate_fd_cleanup(s);
}
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
if (s->file) {
- dprintf("closing file\n");
+ DPRINTF("closing file\n");
qemu_fclose(s->file);
s->file = NULL;
}
migrate_fd_wait_for_unfreeze,
migrate_fd_close);
- dprintf("beginning savevm\n");
+ DPRINTF("beginning savevm\n");
ret = qemu_savevm_state_begin(s->mon, s->file, s->mig_state.blk,
s->mig_state.shared);
if (ret < 0) {
- dprintf("failed, %d\n", ret);
+ DPRINTF("failed, %d\n", ret);
migrate_fd_error(s);
return;
}
FdMigrationState *s = opaque;
if (s->state != MIG_STATE_ACTIVE) {
- dprintf("put_ready returning because of non-active state\n");
+ DPRINTF("put_ready returning because of non-active state\n");
return;
}
- dprintf("iterate\n");
+ DPRINTF("iterate\n");
if (qemu_savevm_state_iterate(s->mon, s->file) == 1) {
int state;
int old_vm_running = vm_running;
- dprintf("done iterating\n");
+ DPRINTF("done iterating\n");
vm_stop(0);
qemu_aio_flush();
if (s->state != MIG_STATE_ACTIVE)
return;
- dprintf("cancelling migration\n");
+ DPRINTF("cancelling migration\n");
s->state = MIG_STATE_CANCELLED;
qemu_savevm_state_cancel(s->mon, s->file);
{
FdMigrationState *s = migrate_to_fms(mig_state);
- dprintf("releasing state\n");
+ DPRINTF("releasing state\n");
if (s->state == MIG_STATE_ACTIVE) {
s->state = MIG_STATE_CANCELLED;
FdMigrationState *s = opaque;
int ret;
- dprintf("wait for unfreeze\n");
+ DPRINTF("wait for unfreeze\n");
if (s->state != MIG_STATE_ACTIVE)
return;