void do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
MigrationState *s = NULL;
const char *p;
int detach = qdict_get_int(qdict, "detach");
const char *uri = qdict_get_str(qdict, "uri");
if (strstart(uri, "tcp:", &p))
s = tcp_start_outgoing_migration(p, max_throttle, detach);
#if !defined(WIN32)
else if (strstart(uri, "exec:", &p))
s = exec_start_outgoing_migration(p, max_throttle, detach);
else if (strstart(uri, "unix:", &p))
s = unix_start_outgoing_migration(p, max_throttle, detach);
else if (strstart(uri, "fd:", &p))
s = fd_start_outgoing_migration(mon, p, max_throttle, detach);
#endif
else
monitor_printf(mon, "unknown migration protocol: %s\n", uri);
if (s == NULL)
monitor_printf(mon, "migration failed\n");
else {
if (current_migration)
current_migration->release(current_migration);
current_migration = s;
}
}
void qmp_migrate(const char *uri, bool has_blk, bool blk,
bool has_inc, bool inc, bool has_detach, bool detach,
Error **errp)
{
Error *local_err = NULL;
MigrationState *s = migrate_get_current();
MigrationParams params;
const char *p;
params.blk = has_blk && blk;
params.shared = has_inc && inc;
if (s->state == MIG_STATE_ACTIVE || s->state == MIG_STATE_SETUP ||
s->state == MIG_STATE_CANCELLING) {
error_set(errp, QERR_MIGRATION_ACTIVE);
return;
}
if (runstate_check(RUN_STATE_INMIGRATE)) {
error_setg(errp, "Guest is waiting for an incoming migration");
return;
}
if (qemu_savevm_state_blocked(errp)) {
return;
}
if (migration_blockers) {
*errp = error_copy(migration_blockers->data);
return;
}
s = migrate_init(¶ms);
if (strstart(uri, "tcp:", &p)) {
tcp_start_outgoing_migration(s, p, &local_err);
#ifdef CONFIG_RDMA
} else if (strstart(uri, "rdma:", &p)) {
rdma_start_outgoing_migration(s, p, &local_err);
#endif
#if !defined(WIN32)
} else if (strstart(uri, "exec:", &p)) {
exec_start_outgoing_migration(s, p, &local_err);
} else if (strstart(uri, "unix:", &p)) {
unix_start_outgoing_migration(s, p, &local_err);
} else if (strstart(uri, "fd:", &p)) {
fd_start_outgoing_migration(s, p, &local_err);
#endif
} else {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid migration protocol");
s->state = MIG_STATE_ERROR;
return;
}
if (local_err) {
migrate_fd_error(s);
error_propagate(errp, local_err);
return;
}
}
int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
MigrationState *s = NULL;
const char *p;
int detach = qdict_get_try_bool(qdict, "detach", 0);
int blk = qdict_get_try_bool(qdict, "blk", 0);
int inc = qdict_get_try_bool(qdict, "inc", 0);
const char *uri = qdict_get_str(qdict, "uri");
if (current_migration &&
current_migration->get_status(current_migration) == MIG_STATE_ACTIVE) {
monitor_printf(mon, "migration already in progress\n");
return -1;
}
if (qemu_savevm_state_blocked(mon)) {
return -1;
}
/* check ft_mode (Kemari protocol) */
if (strstart(uri, "kemari:", &p)) {
ft_mode = FT_INIT;
uri = p;
}
if (strstart(uri, "tcp:", &p)) {
s = tcp_start_outgoing_migration(mon, p, max_throttle, detach,
blk, inc);
#if !defined(WIN32)
} else if (strstart(uri, "exec:", &p)) {
s = exec_start_outgoing_migration(mon, p, max_throttle, detach,
blk, inc);
} else if (strstart(uri, "unix:", &p)) {
s = unix_start_outgoing_migration(mon, p, max_throttle, detach,
blk, inc);
} else if (strstart(uri, "fd:", &p)) {
s = fd_start_outgoing_migration(mon, p, max_throttle, detach,
blk, inc);
#endif
} else {
monitor_printf(mon, "unknown migration protocol: %s\n", uri);
return -1;
}
if (s == NULL) {
monitor_printf(mon, "migration failed\n");
return -1;
}
if (current_migration) {
current_migration->release(current_migration);
}
current_migration = s;
notifier_list_notify(&migration_state_notifiers);
return 0;
}
int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
MigrationState *s = migrate_get_current();
const char *p;
int detach = qdict_get_try_bool(qdict, "detach", 0);
int blk = qdict_get_try_bool(qdict, "blk", 0);
int inc = qdict_get_try_bool(qdict, "inc", 0);
const char *uri = qdict_get_str(qdict, "uri");
int ret;
if (s->state == MIG_STATE_ACTIVE) {
monitor_printf(mon, "migration already in progress\n");
return -1;
}
if (qemu_savevm_state_blocked(mon)) {
return -1;
}
if (migration_blockers) {
Error *err = migration_blockers->data;
qerror_report_err(err);
return -1;
}
s = migrate_init(mon, detach, blk, inc);
if (strstart(uri, "tcp:", &p)) {
ret = tcp_start_outgoing_migration(s, p);
#if !defined(WIN32)
} else if (strstart(uri, "exec:", &p)) {
ret = exec_start_outgoing_migration(s, p);
} else if (strstart(uri, "unix:", &p)) {
ret = unix_start_outgoing_migration(s, p);
} else if (strstart(uri, "fd:", &p)) {
ret = fd_start_outgoing_migration(s, p);
#endif
} else {
monitor_printf(mon, "unknown migration protocol: %s\n", uri);
ret = -EINVAL;
}
if (ret < 0) {
monitor_printf(mon, "migration failed: %s\n", strerror(-ret));
return ret;
}
if (detach) {
s->mon = NULL;
}
notifier_list_notify(&migration_state_notifiers, s);
return 0;
}
void qmp_migrate(const char *uri, bool has_blk, bool blk,
bool has_inc, bool inc, bool has_detach, bool detach,
Error **errp)
{
Error *local_err = NULL;
MigrationState *s = migrate_get_current();
MigrationParams params;
const char *p;
params.blk = blk;
params.shared = inc;
if (s->state == MIG_STATE_ACTIVE) {
error_set(errp, QERR_MIGRATION_ACTIVE);
return;
}
if (qemu_savevm_state_blocked(errp)) {
return;
}
if (migration_blockers) {
*errp = error_copy(migration_blockers->data);
return;
}
s = migrate_init(¶ms);
if (strstart(uri, "tcp:", &p)) {
tcp_start_outgoing_migration(s, p, &local_err);
#if !defined(WIN32)
} else if (strstart(uri, "exec:", &p)) {
exec_start_outgoing_migration(s, p, &local_err);
} else if (strstart(uri, "unix:", &p)) {
unix_start_outgoing_migration(s, p, &local_err);
} else if (strstart(uri, "fd:", &p)) {
fd_start_outgoing_migration(s, p, &local_err);
#endif
} else {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "uri", "a valid migration protocol");
return;
}
if (local_err) {
migrate_fd_error(s);
error_propagate(errp, local_err);
return;
}
notifier_list_notify(&migration_state_notifiers, s);
}
int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
MigrationState *s = NULL;
const char *p;
int detach = qdict_get_int(qdict, "detach");
const char *uri = qdict_get_str(qdict, "uri");
if (current_migration &&
current_migration->get_status(current_migration) == MIG_STATE_ACTIVE) {
monitor_printf(mon, "migration already in progress\n");
return -1;
}
if (strstart(uri, "tcp:", &p)) {
s = tcp_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"));
#if !defined(WIN32)
} else if (strstart(uri, "exec:", &p)) {
s = exec_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"));
} else if (strstart(uri, "unix:", &p)) {
s = unix_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"));
} else if (strstart(uri, "fd:", &p)) {
s = fd_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"));
#endif
} else {
monitor_printf(mon, "unknown migration protocol: %s\n", uri);
return -1;
}
if (s == NULL) {
monitor_printf(mon, "migration failed\n");
return -1;
}
if (current_migration) {
current_migration->release(current_migration);
}
current_migration = s;
return 0;
}
int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
// printf("migrate thread %lu\n",(unsigned long int)pthread_self());
MigrationState *s = NULL;
const char *p;
int detach = qdict_get_int(qdict, "detach");
const char *uri = qdict_get_str(qdict, "uri");
if (current_migration &&
current_migration->get_status(current_migration) == MIG_STATE_ACTIVE) {
monitor_printf(mon, "migration already in progress\n");
return -1;
}
/* Pacer modification: computing estimate migration speed */
int has_mig_time = qdict_haskey(qdict, "mig_time");
int mig_time=500;
if(has_mig_time)
mig_time=qdict_get_int(qdict,"mig_time");
printf("migration requried time %d\n",mig_time);
int metricopt=(int)qdict_get_int(qdict,"throughputrequired");
int metricvalue=0;
if(metricopt==1) {
int has_throughput = qdict_haskey(qdict,"required");
if(has_throughput)
metricvalue=qdict_get_int(qdict,"required");
if(metricvalue!=0)
printf("throughput required %d\n",metricvalue);
}else{
int has_latency = qdict_haskey(qdict,"required");
if(has_latency)
metricvalue=qdict_get_int(qdict,"required");
if(metricvalue!=0)
printf("latency required %d\n",metricvalue);
}
if(metricvalue==0){
printf("no requirement\n");
metricopt=2;
}
uint64_t memsize=ram_bytes_remaining();
uint64_t disksize=bdrv_get_totallength();
uint64_t speed;
printf("ram size %"PRId64"\n",ram_bytes_remaining());
printf("disk size %"PRId64"\n",bdrv_get_totallength());
if(mig_time!=0){
speed=(disksize+memsize)/mig_time;
max_throttle=speed;
printf("migration speed0 %"PRId64"\n",speed);
}
//end
if (strstart(uri, "tcp:", &p)) {
s = tcp_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"),
(int)qdict_get_int(qdict, "sparse"),
mig_time,
metricopt,
metricvalue,
(int)qdict_get_int(qdict,"compression"),
(int)qdict_get_int(qdict,"scheduling"),
(int)qdict_get_int(qdict,"dscheduling"),
(int)qdict_get_int(qdict,"throttling"));
#if !defined(WIN32)
} else if (strstart(uri, "exec:", &p)) {
s = exec_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"),
(int)qdict_get_int(qdict, "sparse"),
mig_time,
metricopt,
metricvalue,
(int)qdict_get_int(qdict,"compression"),
(int)qdict_get_int(qdict, "scheduling"),
(int)qdict_get_int(qdict,"dscheduling"),
(int)qdict_get_int(qdict,"throttling"));
} else if (strstart(uri, "unix:", &p)) {
s = unix_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"),
(int)qdict_get_int(qdict, "sparse"),
mig_time,
metricopt,
metricvalue,
(int)qdict_get_int(qdict,"compression"),
(int)qdict_get_int(qdict, "scheduling"),
(int)qdict_get_int(qdict, "dscheduling"),
(int)qdict_get_int(qdict, "throttling"));
} else if (strstart(uri, "fd:", &p)) {
s = fd_start_outgoing_migration(mon, p, max_throttle, detach,
(int)qdict_get_int(qdict, "blk"),
(int)qdict_get_int(qdict, "inc"),
(int)qdict_get_int(qdict, "sparse"),
mig_time,
metricopt,
metricvalue,
(int)qdict_get_int(qdict,"compression"),
(int)qdict_get_int(qdict, "scheduling"),
(int)qdict_get_int(qdict, "dscheduling"),
(int)qdict_get_int(qdict, "throttling"));
#endif
} else {
monitor_printf(mon, "unknown migration protocol: %s\n", uri);
return -1;
}
if (s == NULL) {
monitor_printf(mon, "migration failed\n");
return -1;
}
if (current_migration) {
current_migration->release(current_migration);
}
current_migration = s;
return 0;
}