C++ (Cpp) rdma_start_incoming_migration Beispiele

Beispiel #1

Datei: migration.c Projekt: Annovae/qemu

MigrationState *migrate_get_current(void)
{
    static MigrationState current_migration = {
        .state = MIG_STATE_NONE,
        .bandwidth_limit = MAX_THROTTLE,
        .xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE,
        .mbps = -1,
    };

    return &current_migration;
}

void qemu_start_incoming_migration(const char *uri, Error **errp)
{
    const char *p;

    if (strstart(uri, "tcp:", &p))
        tcp_start_incoming_migration(p, errp);
#ifdef CONFIG_RDMA
    else if (strstart(uri, "rdma:", &p))
        rdma_start_incoming_migration(p, errp);
#endif
#if !defined(WIN32)
    else if (strstart(uri, "exec:", &p))
        exec_start_incoming_migration(p, errp);
    else if (strstart(uri, "unix:", &p))
        unix_start_incoming_migration(p, errp);
    else if (strstart(uri, "fd:", &p))
        fd_start_incoming_migration(p, errp);
#endif
    else {
        error_setg(errp, "unknown migration protocol: %s", uri);
    }
}

static void process_incoming_migration_co(void *opaque)
{
    QEMUFile *f = opaque;
    int ret;

    ret = qemu_loadvm_state(f);
    qemu_fclose(f);
    free_xbzrle_decoded_buf();
    if (ret < 0) {
        fprintf(stderr, "load of migration failed\n");
        exit(EXIT_FAILURE);
    }
    qemu_announce_self();
    DPRINTF("successfully loaded vm state\n");

    bdrv_clear_incoming_migration_all();
    /* Make sure all file formats flush their mutable metadata */
    bdrv_invalidate_cache_all();

    if (autostart) {
        vm_start();
    } else {
        runstate_set(RUN_STATE_PAUSED);
    }
}

Beispiel #2

Datei: migration.c Projekt: Bletchley13/MBA

MigrationState *migrate_get_current(void)
{
    static MigrationState current_migration = {
        .state = MIGRATION_STATUS_NONE,
        .bandwidth_limit = MAX_THROTTLE,
        .xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE,
        .mbps = -1,
        .parameters[MIGRATION_PARAMETER_COMPRESS_LEVEL] =
                DEFAULT_MIGRATE_COMPRESS_LEVEL,
        .parameters[MIGRATION_PARAMETER_COMPRESS_THREADS] =
                DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT,
        .parameters[MIGRATION_PARAMETER_DECOMPRESS_THREADS] =
                DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT,
    };

    return &current_migration;
}

/*
 * Called on -incoming with a defer: uri.
 * The migration can be started later after any parameters have been
 * changed.
 */
static void deferred_incoming_migration(Error **errp)
{
    if (deferred_incoming) {
        error_setg(errp, "Incoming migration already deferred");
    }
    deferred_incoming = true;
}

void qemu_start_incoming_migration(const char *uri, Error **errp)
{
    const char *p;

    if (!strcmp(uri, "defer")) {
        deferred_incoming_migration(errp);
    } else if (strstart(uri, "tcp:", &p)) {
        tcp_start_incoming_migration(p, errp);
#ifdef CONFIG_RDMA
    } else if (strstart(uri, "rdma:", &p)) {
        rdma_start_incoming_migration(p, errp);
#endif
#if !defined(WIN32)
    } else if (strstart(uri, "exec:", &p)) {
        exec_start_incoming_migration(p, errp);
    } else if (strstart(uri, "unix:", &p)) {
        unix_start_incoming_migration(p, errp);
    } else if (strstart(uri, "fd:", &p)) {
        fd_start_incoming_migration(p, errp);
#endif
    } else {
        error_setg(errp, "unknown migration protocol: %s", uri);
    }
}

static void process_incoming_migration_co(void *opaque)
{
    QEMUFile *f = opaque;
    Error *local_err = NULL;
    int ret;

    ret = qemu_loadvm_state(f);
    qemu_fclose(f);
    free_xbzrle_decoded_buf();
    if (ret < 0) {
        error_report("load of migration failed: %s", strerror(-ret));
        migrate_decompress_threads_join();
        exit(EXIT_FAILURE);
    }
    qemu_announce_self();

    /* Make sure all file formats flush their mutable metadata */
    bdrv_invalidate_cache_all(&local_err);
    if (local_err) {
        error_report_err(local_err);
        migrate_decompress_threads_join();
        exit(EXIT_FAILURE);
    }

    if (autostart) {
        vm_start();
    } else {
        runstate_set(RUN_STATE_PAUSED);
    }
    migrate_decompress_threads_join();
}