static int
send_command_to_evmgr(cmd_uid_t uid, const AdmCommand *adm_cmd,
const exa_uuid_t *cluster_uuid,
const void *data, size_t data_size)
{
Examsg msg;
command_t *cmd = (command_t *)msg.payload;
size_t payload_size;
int s;
/* Message to trigger the command execution on thread thr_nb */
msg.any.type = EXAMSG_ADM_CLUSTER_CMD;
payload_size = data_size + sizeof(command_t);
if (payload_size >= EXAMSG_PAYLOAD_MAX)
{
exalog_error("Command %s parameter structure is too big to fit in "
"a message. %zu > %zu", adm_cmd->msg, payload_size, EXAMSG_PAYLOAD_MAX);
return -E2BIG;
}
cmd->code = adm_cmd->code;
cmd->uid = uid;
memcpy(cmd->data, data, data_size);
cmd->data_size = data_size;
uuid_copy(&cmd->cluster_uuid, cluster_uuid);
exalog_debug("Scheduling command '%s', uid=%d", adm_cmd->msg, cmd->uid);
s = examsgSend(cli_mh, EXAMSG_ADMIND_EVMGR_ID, EXAMSG_LOCALHOST,
&msg, sizeof(ExamsgAny) + payload_size);
if (s != sizeof(ExamsgAny) + payload_size)
return s;
return 0;
}
static void disk_checking_thread(void *dummy)
{
exalog_as(EXAMSG_RDEV_ID);
while (!quit)
{
int rdev_need_check = false;
struct adm_disk *disk;
adm_node_lock_disk_removal();
adm_node_for_each_disk(adm_myself(), disk)
{
if (disk->local->rdev_req != NULL)
{
int state, last_state;
last_state = disk->local->state;
state = exa_rdev_test(disk->local->rdev_req,
rdev_check_buffer, RDEV_SUPERBLOCK_SIZE);
/* if exa_rdev_test returns an error, the disk is considered in failure
* as we have no mean to know what really happened. */
if (state < 0)
{
exalog_error("testing rdev '%s' " UUID_FMT " failed: %s (%d)",
disk->path, UUID_VAL(&disk->uuid),
exa_error_msg(state), state);
state = EXA_RDEV_STATUS_FAIL;
}
if (state != last_state)
{
if (state == EXA_RDEV_STATUS_FAIL)
rdev_need_check = true;
disk->local->state = state;
}
}
}
adm_node_unlock_disk_removal();
if (quit)
break;
if (rdev_need_check)
{
instance_event_msg_t msg;
int ret;
msg.any.type = EXAMSG_EVMGR_INST_EVENT;
msg.event.id = EXAMSG_RDEV_ID;
msg.event.state = INSTANCE_CHECK_DOWN;
msg.event.node_id = adm_myself()->id;
exalog_info("... broadcasting action: rdev check down");
ret = examsgSend(mh, EXAMSG_ADMIND_EVMGR_ID,
EXAMSG_ALLHOSTS, &msg, sizeof(msg));
EXA_ASSERT(ret == sizeof(msg));
}
os_sleep(DISK_CHECK_INTERVAL);
}
}
