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migration: Refactor MigrationState creation

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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 16:28:39 +02:00
parent 22f00a4445
commit 0edda1c42a
6 changed files with 32 additions and 70 deletions
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16
migration-exec.c
View File

@ -71,7 +71,7 @@ MigrationState *exec_start_outgoing_migration(Monitor *mon,
MigrationState *s;
FILE *f;
s = g_malloc0(sizeof(*s));
s = migrate_new(mon, bandwidth_limit, detach, blk, inc);
f = popen(command, "w");
if (f == NULL) {
@ -92,20 +92,6 @@ MigrationState *exec_start_outgoing_migration(Monitor *mon,
s->close = exec_close;
s->get_error = file_errno;
s->write = file_write;
s->cancel = migrate_fd_cancel;
s->get_status = migrate_fd_get_status;
s->release = migrate_fd_release;
s->blk = blk;
s->shared = inc;
s->state = MIG_STATE_ACTIVE;
s->mon = NULL;
s->bandwidth_limit = bandwidth_limit;
if (!detach) {
migrate_fd_monitor_suspend(s, mon);
}
migrate_fd_connect(s);
return s;

16
migration-fd.c
View File

@ -59,7 +59,7 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon,
{
MigrationState *s;
s = g_malloc0(sizeof(*s));
s = migrate_new(mon, bandwidth_limit, detach, blk, inc);
s->fd = monitor_get_fd(mon, fdname);
if (s->fd == -1) {
@ -75,20 +75,6 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon,
s->get_error = fd_errno;
s->write = fd_write;
s->close = fd_close;
s->cancel = migrate_fd_cancel;
s->get_status = migrate_fd_get_status;
s->release = migrate_fd_release;
s->blk = blk;
s->shared = inc;
s->state = MIG_STATE_ACTIVE;
s->mon = NULL;
s->bandwidth_limit = bandwidth_limit;
if (!detach) {
migrate_fd_monitor_suspend(s, mon);
}
migrate_fd_connect(s);
return s;

15
migration-tcp.c
View File

@ -89,21 +89,12 @@ MigrationState *tcp_start_outgoing_migration(Monitor *mon,
if (parse_host_port(&addr, host_port) < 0)
return NULL;
s = g_malloc0(sizeof(*s));
s = migrate_new(mon, bandwidth_limit, detach, blk, inc);
s->get_error = socket_errno;
s->write = socket_write;
s->close = tcp_close;
s->cancel = migrate_fd_cancel;
s->get_status = migrate_fd_get_status;
s->release = migrate_fd_release;
s->blk = blk;
s->shared = inc;
s->state = MIG_STATE_ACTIVE;
s->mon = NULL;
s->bandwidth_limit = bandwidth_limit;
s->fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
if (s->fd == -1) {
g_free(s);
@ -112,10 +103,6 @@ MigrationState *tcp_start_outgoing_migration(Monitor *mon,
socket_set_nonblock(s->fd);
if (!detach) {
migrate_fd_monitor_suspend(s, mon);
}
do {
ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr));
if (ret == -1)

15
migration-unix.c
View File

@ -88,21 +88,12 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon,
addr.sun_family = AF_UNIX;
snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", path);
s = g_malloc0(sizeof(*s));
s = migrate_new(mon, bandwidth_limit, detach, blk, inc);
s->get_error = unix_errno;
s->write = unix_write;
s->close = unix_close;
s->cancel = migrate_fd_cancel;
s->get_status = migrate_fd_get_status;
s->release = migrate_fd_release;
s->blk = blk;
s->shared = inc;
s->state = MIG_STATE_ACTIVE;
s->mon = NULL;
s->bandwidth_limit = bandwidth_limit;
s->fd = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (s->fd < 0) {
DPRINTF("Unable to open socket");
@ -125,10 +116,6 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon,
goto err_after_open;
}
if (!detach) {
migrate_fd_monitor_suspend(s, mon);
}
if (ret >= 0)
migrate_fd_connect(s);

29
migration.c
View File

@ -263,7 +263,7 @@ void do_info_migrate(Monitor *mon, QObject **ret_data)
/* shared migration helpers */
void migrate_fd_monitor_suspend(MigrationState *s, Monitor *mon)
static void migrate_fd_monitor_suspend(MigrationState *s, Monitor *mon)
{
s->mon = mon;
if (monitor_suspend(mon) == 0) {
@ -404,12 +404,12 @@ void migrate_fd_put_ready(void *opaque)
}
}
int migrate_fd_get_status(MigrationState *s)
static int migrate_fd_get_status(MigrationState *s)
{
return s->state;
}
void migrate_fd_cancel(MigrationState *s)
static void migrate_fd_cancel(MigrationState *s)
{
if (s->state != MIG_STATE_ACTIVE)
return;
@ -423,7 +423,7 @@ void migrate_fd_cancel(MigrationState *s)
migrate_fd_cleanup(s);
}
void migrate_fd_release(MigrationState *s)
static void migrate_fd_release(MigrationState *s)
{
DPRINTF("releasing state\n");
@ -488,3 +488,24 @@ int get_migration_state(void)
return MIG_STATE_ERROR;
}
}
MigrationState *migrate_new(Monitor *mon, int64_t bandwidth_limit,
int detach, int blk, int inc)
{
MigrationState *s = g_malloc0(sizeof(*s));
s->cancel = migrate_fd_cancel;
s->get_status = migrate_fd_get_status;
s->release = migrate_fd_release;
s->blk = blk;
s->shared = inc;
s->mon = NULL;
s->bandwidth_limit = bandwidth_limit;
s->state = MIG_STATE_ACTIVE;
if (!detach) {
migrate_fd_monitor_suspend(s, mon);
}
return s;
}

11
migration.h
View File

@ -98,8 +98,6 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon,
int blk,
int inc);
void migrate_fd_monitor_suspend(MigrationState *s, Monitor *mon);
void migrate_fd_error(MigrationState *s);
int migrate_fd_cleanup(MigrationState *s);
@ -112,16 +110,13 @@ void migrate_fd_connect(MigrationState *s);
void migrate_fd_put_ready(void *opaque);
int migrate_fd_get_status(MigrationState *mig_state);
void migrate_fd_cancel(MigrationState *mig_state);
void migrate_fd_release(MigrationState *mig_state);
void migrate_fd_wait_for_unfreeze(void *opaque);
int migrate_fd_close(void *opaque);
MigrationState *migrate_new(Monitor *mon, int64_t bandwidth_limit,
int detach, int blk, int inc);
void add_migration_state_change_notifier(Notifier *notify);
void remove_migration_state_change_notifier(Notifier *notify);
int get_migration_state(void);