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migration: Use FdMigrationState instead of MigrationState when possible 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2010-05-11 15:46:39 +02:00
parent 7be4363a28
commit dc7acc61b6
2 changed files with 24 additions and 26 deletions
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34
migration.c
View File

@ -34,7 +34,7 @@
/* Migration speed throttling */
static int64_t max_throttle = (32 << 20);
static MigrationState *current_migration;
static FdMigrationState *current_migration;
static NotifierList migration_state_notifiers =
NOTIFIER_LIST_INITIALIZER(migration_state_notifiers);
@ -87,7 +87,8 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
const char *uri = qdict_get_str(qdict, "uri");
if (current_migration &&
current_migration->get_status(current_migration) == MIG_STATE_ACTIVE) {
current_migration->mig_state.get_status(current_migration) ==
MIG_STATE_ACTIVE) {
monitor_printf(mon, "migration already in progress\n");
return -1;
}
@ -121,20 +122,20 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
}
if (current_migration) {
current_migration->release(current_migration);
current_migration->mig_state.release(current_migration);
}
current_migration = &s->mig_state;
current_migration = s;
notifier_list_notify(&migration_state_notifiers, NULL);
return 0;
}
int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
MigrationState *s = current_migration;
FdMigrationState *s = current_migration;
if (s && s->get_status(s) == MIG_STATE_ACTIVE) {
s->cancel(s);
if (s && s->mig_state.get_status(s) == MIG_STATE_ACTIVE) {
s->mig_state.cancel(s);
}
return 0;
}
@ -150,7 +151,7 @@ int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data)
}
max_throttle = d;
s = migrate_to_fms(current_migration);
s = current_migration;
if (s && s->file) {
qemu_file_set_rate_limit(s->file, max_throttle);
}
@ -228,10 +229,11 @@ static void migrate_put_status(QDict *qdict, const char *name,
void do_info_migrate(Monitor *mon, QObject **ret_data)
{
QDict *qdict;
MigrationState *s = current_migration;
if (s) {
switch (s->get_status(s)) {
if (current_migration) {
MigrationState *s = &current_migration->mig_state;
switch (s->get_status(current_migration)) {
case MIG_STATE_ACTIVE:
qdict = qdict_new();
qdict_put(qdict, "status", qstring_from_str("active"));
@ -404,16 +406,13 @@ void migrate_fd_put_ready(void *opaque)
}
}
int migrate_fd_get_status(MigrationState *mig_state)
int migrate_fd_get_status(FdMigrationState *s)
{
FdMigrationState *s = migrate_to_fms(mig_state);
return s->state;
}
void migrate_fd_cancel(MigrationState *mig_state)
void migrate_fd_cancel(FdMigrationState *s)
{
FdMigrationState *s = migrate_to_fms(mig_state);
if (s->state != MIG_STATE_ACTIVE)
return;
@ -426,9 +425,8 @@ void migrate_fd_cancel(MigrationState *mig_state)
migrate_fd_cleanup(s);
}
void migrate_fd_release(MigrationState *mig_state)
void migrate_fd_release(FdMigrationState *s)
{
FdMigrationState *s = migrate_to_fms(mig_state);
DPRINTF("releasing state\n");

16
migration.h
View File

@ -25,18 +25,18 @@
typedef struct MigrationState MigrationState;
typedef struct FdMigrationState FdMigrationState;
struct MigrationState
{
/* FIXME: add more accessors to print migration info */
void (*cancel)(MigrationState *s);
int (*get_status)(MigrationState *s);
void (*release)(MigrationState *s);
void (*cancel)(FdMigrationState *s);
int (*get_status)(FdMigrationState *s);
void (*release)(FdMigrationState *s);
int blk;
int shared;
};
typedef struct FdMigrationState FdMigrationState;
struct FdMigrationState
{
MigrationState mig_state;
@ -120,11 +120,11 @@ void migrate_fd_connect(FdMigrationState *s);
void migrate_fd_put_ready(void *opaque);
int migrate_fd_get_status(MigrationState *mig_state);
int migrate_fd_get_status(FdMigrationState *mig_state);
void migrate_fd_cancel(MigrationState *mig_state);
void migrate_fd_cancel(FdMigrationState *mig_state);
void migrate_fd_release(MigrationState *mig_state);
void migrate_fd_release(FdMigrationState *mig_state);
void migrate_fd_wait_for_unfreeze(void *opaque);