/* Close thread quit pipes */
utils_close_pipe(thread_quit_pipe);
- /* Close relay cmd pipes */
- utils_close_pipe(relay_cmd_pipe);
+ uri_free(control_uri);
+ uri_free(data_uri);
}
/*
}
DBG("Relay deleting session %" PRIu64, cmd->session->id);
- free(cmd->session->sock);
+
+ lttcomm_destroy_sock(cmd->session->sock);
rcu_read_lock();
cds_lfht_for_each_entry(streams_ht->ht, &iter.iter, node, node) {
stream = caa_container_of(node,
struct relay_stream, stream_n);
if (stream->session == cmd->session) {
- close(stream->fd);
+ ret = close(stream->fd);
+ if (ret < 0) {
+ PERROR("close stream fd on delete session");
+ }
ret = lttng_ht_del(streams_ht, &iter);
assert(!ret);
call_rcu(&stream->rcu_node,
}
}
rcu_read_unlock();
+
+ free(cmd->session);
}
/*
if (close_stream_check(stream)) {
int delret;
- close(stream->fd);
+ delret = close(stream->fd);
+ if (delret < 0) {
+ PERROR("close stream");
+ }
delret = lttng_ht_del(streams_ht, &iter);
assert(!delret);
call_rcu(&stream->rcu_node,
PERROR("write padding to file");
}
+ free(zeros);
+
end:
return ret;
}
struct relay_command *cmd)
{
int ret;
- struct lttcomm_relayd_version reply;
+ struct lttcomm_relayd_version reply, msg;
struct relay_session *session;
if (cmd->session == NULL) {
}
session->version_check_done = 1;
+ /* Get version from the other side. */
+ ret = cmd->sock->ops->recvmsg(cmd->sock, &msg, sizeof(msg), MSG_WAITALL);
+ if (ret < 0 || ret != sizeof(msg)) {
+ ret = -1;
+ ERR("Relay failed to receive the version values.");
+ goto end;
+ }
+
+ /*
+ * For now, we just ignore the received version but after 2.1 stable
+ * release, a check must be done to see if we either adapt to the other
+ * side version (which MUST be lower than us) or keep the latest data
+ * structure considering that the other side will adapt.
+ */
+
ret = sscanf(VERSION, "%u.%u", &reply.major, &reply.minor);
if (ret < 2) {
ERR("Error in scanning version");
}
/*
- * Check for data availability for a given stream id from the session daemon.
+ * Check for data pending for a given stream id from the session daemon.
*/
static
-int relay_data_available(struct lttcomm_relayd_hdr *recv_hdr,
+int relay_data_pending(struct lttcomm_relayd_hdr *recv_hdr,
struct relay_command *cmd, struct lttng_ht *streams_ht)
{
struct relay_session *session = cmd->session;
- struct lttcomm_relayd_data_available msg;
+ struct lttcomm_relayd_data_pending msg;
struct lttcomm_relayd_generic_reply reply;
struct relay_stream *stream;
int ret;
struct lttng_ht_iter iter;
uint64_t last_net_seq_num, stream_id;
- DBG("Data available command received");
+ DBG("Data pending command received");
if (!session || session->version_check_done == 0) {
ERR("Trying to check for data before version check");
ret = cmd->sock->ops->recvmsg(cmd->sock, &msg, sizeof(msg), MSG_WAITALL);
if (ret < sizeof(msg)) {
- ERR("Relay didn't receive valid data_available struct size : %d", ret);
+ ERR("Relay didn't receive valid data_pending struct size : %d", ret);
ret = -1;
goto end_no_session;
}
stream = caa_container_of(node, struct relay_stream, stream_n);
assert(stream);
- DBG("Data available for stream id %" PRIu64 " prev_seq %" PRIu64
+ DBG("Data pending for stream id %" PRIu64 " prev_seq %" PRIu64
" and last_seq %" PRIu64, stream_id, stream->prev_seq,
last_net_seq_num);
/* Avoid wrapping issue */
if (((int64_t) (stream->prev_seq - last_net_seq_num)) <= 0) {
- /* Data has in fact been written and is available */
- ret = 1;
- } else {
- /* Data still being streamed. */
+ /* Data has in fact been written and is NOT pending */
ret = 0;
+ } else {
+ /* Data still being streamed thus pending */
+ ret = 1;
}
end_unlock:
reply.ret_code = htobe32(ret);
ret = cmd->sock->ops->sendmsg(cmd->sock, &reply, sizeof(reply), 0);
if (ret < 0) {
- ERR("Relay data available ret code failed");
+ ERR("Relay data pending ret code failed");
}
end_no_session:
reply.ret_code = htobe32(LTTNG_OK);
ret = cmd->sock->ops->sendmsg(cmd->sock, &reply, sizeof(reply), 0);
if (ret < 0) {
- ERR("Relay data available ret code failed");
+ ERR("Relay data quiescent control ret code failed");
}
return ret;
case RELAYD_CLOSE_STREAM:
ret = relay_close_stream(recv_hdr, cmd, streams_ht);
break;
- case RELAYD_DATA_AVAILABLE:
- ret = relay_data_available(recv_hdr, cmd, streams_ht);
+ case RELAYD_DATA_PENDING:
+ ret = relay_data_pending(recv_hdr, cmd, streams_ht);
break;
case RELAYD_QUIESCENT_CONTROL:
ret = relay_quiescent_control(recv_hdr, cmd);
/* Check if we need to close the FD */
if (close_stream_check(stream)) {
+ int cret;
struct lttng_ht_iter iter;
- close(stream->fd);
+ cret = close(stream->fd);
+ if (cret < 0) {
+ PERROR("close stream process data");
+ }
iter.iter.node = &stream->stream_n.node;
ret = lttng_ht_del(streams_ht, &iter);
assert(!ret);
{
struct relay_command *relay_connection =
caa_container_of(head, struct relay_command, rcu_node);
+
+ lttcomm_destroy_sock(relay_connection->sock);
free(relay_connection);
}
if (relay_connection->type == RELAY_CONTROL) {
relay_delete_session(relay_connection, streams_ht);
}
+
call_rcu(&relay_connection->rcu_node,
deferred_free_connection);
}
streams_ht_error:
lttng_ht_destroy(relay_connections_ht);
relay_connections_ht_error:
+ /* Close relay cmd pipes */
+ utils_close_pipe(relay_cmd_pipe);
if (err) {
DBG("Thread exited with error");
}
projects / lttng-tools.git / blobdiff