diff options
Diffstat (limited to 'migration.c')
| -rw-r--r-- | migration.c | 187 |
1 files changed, 91 insertions, 96 deletions
diff --git a/migration.c b/migration.c index 31b6741c7d..c852f2e9dd 100644 --- a/migration.c +++ b/migration.c @@ -77,90 +77,6 @@ void process_incoming_migration(QEMUFile *f) } } -static MigrationState *migrate_new(Monitor *mon, int64_t bandwidth_limit, - int detach, int blk, int inc); - -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"); - int ret; - - if (current_migration && - current_migration->state == MIG_STATE_ACTIVE) { - monitor_printf(mon, "migration already in progress\n"); - return -1; - } - - if (qemu_savevm_state_blocked(mon)) { - return -1; - } - - s = migrate_new(mon, max_throttle, 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; - goto free_migrate_state; - } - - if (ret < 0) { - monitor_printf(mon, "migration failed\n"); - goto free_migrate_state; - } - - g_free(current_migration); - current_migration = s; - notifier_list_notify(&migration_state_notifiers, NULL); - return 0; -free_migrate_state: - g_free(s); - return -1; -} - -static void migrate_fd_cancel(MigrationState *s); - -int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data) -{ - if (current_migration) { - migrate_fd_cancel(current_migration); - } - return 0; -} - -int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data) -{ - int64_t d; - MigrationState *s; - - d = qdict_get_int(qdict, "value"); - if (d < 0) { - d = 0; - } - max_throttle = d; - - s = current_migration; - if (s && s->file) { - qemu_file_set_rate_limit(s->file, max_throttle); - } - - return 0; -} - /* amount of nanoseconds we are willing to wait for migration to be down. * the choice of nanoseconds is because it is the maximum resolution that * get_clock() can achieve. It is an internal measure. All user-visible @@ -172,18 +88,6 @@ uint64_t migrate_max_downtime(void) return max_downtime; } -int do_migrate_set_downtime(Monitor *mon, const QDict *qdict, - QObject **ret_data) -{ - double d; - - d = qdict_get_double(qdict, "value") * 1e9; - d = MAX(0, MIN(UINT64_MAX, d)); - max_downtime = (uint64_t)d; - - return 0; -} - static void migrate_print_status(Monitor *mon, const char *name, const QDict *status_dict) { @@ -500,3 +404,94 @@ static MigrationState *migrate_new(Monitor *mon, int64_t bandwidth_limit, return s; } + +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"); + int ret; + + if (current_migration && + current_migration->state == MIG_STATE_ACTIVE) { + monitor_printf(mon, "migration already in progress\n"); + return -1; + } + + if (qemu_savevm_state_blocked(mon)) { + return -1; + } + + s = migrate_new(mon, max_throttle, 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; + goto free_migrate_state; + } + + if (ret < 0) { + monitor_printf(mon, "migration failed\n"); + goto free_migrate_state; + } + + g_free(current_migration); + current_migration = s; + notifier_list_notify(&migration_state_notifiers, NULL); + return 0; +free_migrate_state: + g_free(s); + return -1; +} + +int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data) +{ + if (current_migration) { + migrate_fd_cancel(current_migration); + } + return 0; +} + +int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data) +{ + int64_t d; + MigrationState *s; + + d = qdict_get_int(qdict, "value"); + if (d < 0) { + d = 0; + } + max_throttle = d; + + s = current_migration; + if (s && s->file) { + qemu_file_set_rate_limit(s->file, max_throttle); + } + + return 0; +} + +int do_migrate_set_downtime(Monitor *mon, const QDict *qdict, + QObject **ret_data) +{ + double d; + + d = qdict_get_double(qdict, "value") * 1e9; + d = MAX(0, MIN(UINT64_MAX, d)); + max_downtime = (uint64_t)d; + + return 0; +} |