memcpy(buf + sizeof(header), data, size);
}
+ DBG3("Relayd sending command %d of size %" PRIu64, (int) cmd, buf_size);
ret = rsock->sock.ops->sendmsg(&rsock->sock, buf, buf_size, flags);
if (ret < 0) {
+ PERROR("Failed to send command %d of size %" PRIu64,
+ (int) cmd, buf_size);
ret = -errno;
goto error;
}
-
- DBG3("Relayd sending command %d of size %" PRIu64, cmd, buf_size);
-
error:
free(buf);
alloc_error:
* If major versions are compatible, we assign minor_to_use to the
* minor version of the procotol we are going to use for this session.
*
- * Return 0 if compatible else negative value.
+ * Return 0 if the two daemons are compatible, LTTNG_ERR_RELAYD_VERSION_FAIL
+ * otherwise, or a negative value on network errors.
*/
int relayd_version_check(struct lttcomm_relayd_sock *rsock)
{
*/
if (msg.major != rsock->major) {
/* Not compatible */
- ret = -1;
+ ret = LTTNG_ERR_RELAYD_VERSION_FAIL;
DBG2("Relayd version is NOT compatible. Relayd version %u != %u (us)",
msg.major, rsock->major);
goto error;
}
/* Send command */
- ret = send_command(rsock, RELAYD_SEND_INDEX, &msg, sizeof(msg), 0);
+ ret = send_command(rsock, RELAYD_SEND_INDEX, &msg,
+ lttcomm_relayd_index_len(lttng_to_index_major(rsock->major,
+ rsock->minor),
+ lttng_to_index_minor(rsock->major, rsock->minor)),
+ 0);
if (ret < 0) {
goto error;
}