#include <common/common.h>
#include <common/compat/poll.h>
#include <common/compat/socket.h>
+#include <common/compat/endian.h>
#include <common/defaults.h>
#include <common/daemonize.h>
#include <common/futex.h>
break;
case 'g':
tracing_group_name = strdup(arg);
+ if (tracing_group_name == NULL) {
+ ret = -errno;
+ PERROR("strdup");
+ goto end;
+ }
tracing_group_name_override = 1;
break;
case 'h':
if (arg) {
lttng_opt_verbose = config_parse_value(arg);
} else {
- lttng_opt_verbose += 1;
+ /* Only 3 level of verbosity (-vvv). */
+ if (lttng_opt_verbose < 3) {
+ lttng_opt_verbose += 1;
+ }
}
break;
default:
/* assign default values */
if (control_uri == NULL) {
- ret = asprintf(&default_address, "tcp://0.0.0.0:%d",
- DEFAULT_NETWORK_CONTROL_PORT);
+ ret = asprintf(&default_address,
+ "tcp://" DEFAULT_NETWORK_CONTROL_BIND_ADDRESS ":%d",
+ DEFAULT_NETWORK_CONTROL_PORT);
if (ret < 0) {
PERROR("asprintf default data address");
goto exit;
}
}
if (data_uri == NULL) {
- ret = asprintf(&default_address, "tcp://0.0.0.0:%d",
- DEFAULT_NETWORK_DATA_PORT);
+ ret = asprintf(&default_address,
+ "tcp://" DEFAULT_NETWORK_DATA_BIND_ADDRESS ":%d",
+ DEFAULT_NETWORK_DATA_PORT);
if (ret < 0) {
PERROR("asprintf default data address");
goto exit;
}
}
if (live_uri == NULL) {
- ret = asprintf(&default_address, "tcp://0.0.0.0:%d",
- DEFAULT_NETWORK_VIEWER_PORT);
+ ret = asprintf(&default_address,
+ "tcp://" DEFAULT_NETWORK_VIEWER_BIND_ADDRESS ":%d",
+ DEFAULT_NETWORK_VIEWER_PORT);
if (ret < 0) {
PERROR("asprintf default viewer control address");
goto exit;
revents = LTTNG_POLL_GETEV(&events, i);
pollfd = LTTNG_POLL_GETFD(&events, i);
+ if (!revents) {
+ /* No activity for this FD (poll implementation). */
+ continue;
+ }
+
/* Thread quit pipe has been closed. Killing thread. */
ret = check_thread_quit_pipe(pollfd, revents);
if (ret) {
stream->session_id = session->id;
stream->index_fd = -1;
stream->read_index_fd = -1;
+ stream->ctf_stream_id = -1ULL;
lttng_ht_node_init_u64(&stream->node, stream->stream_handle);
pthread_mutex_init(&stream->lock, NULL);
ret = utils_mkdir_recursive(stream->path_name, S_IRWXU | S_IRWXG);
if (ret < 0) {
ERR("relay creating output directory");
- goto end;
+ goto err_free_stream;
}
/*
stream->stream_handle);
end:
+ memset(&reply, 0, sizeof(reply));
reply.handle = htobe64(stream->stream_handle);
/* send the session id to the client or a negative return code on error */
if (ret < 0) {
reply.ret_code = htobe32(LTTNG_ERR_UNK);
/* stream was not properly added to the ht, so free it */
- free(stream);
+ stream_destroy(stream);
} else {
reply.ret_code = htobe32(LTTNG_OK);
}
return ret;
err_free_stream:
- free(stream->path_name);
- free(stream->channel_name);
- free(stream);
+ stream_destroy(stream);
return ret;
}
end_unlock:
rcu_read_unlock();
+ memset(&reply, 0, sizeof(reply));
if (ret < 0) {
reply.ret_code = htobe32(LTTNG_ERR_UNK);
} else {
struct lttcomm_relayd_generic_reply reply;
int ret;
+ memset(&reply, 0, sizeof(reply));
reply.ret_code = htobe32(LTTNG_ERR_UNK);
ret = conn->sock->ops->sendmsg(conn->sock, &reply,
sizeof(struct lttcomm_relayd_generic_reply), 0);
ret = htobe32(LTTNG_ERR_UNK);
}
+ memset(&reply, 0, sizeof(reply));
reply.ret_code = ret;
ret = conn->sock->ops->sendmsg(conn->sock, &reply,
sizeof(struct lttcomm_relayd_generic_reply), 0);
goto end;
}
+ memset(&reply, 0, sizeof(reply));
reply.major = RELAYD_VERSION_COMM_MAJOR;
reply.minor = RELAYD_VERSION_COMM_MINOR;
end_unlock:
rcu_read_unlock();
+ memset(&reply, 0, sizeof(reply));
reply.ret_code = htobe32(ret);
ret = conn->sock->ops->sendmsg(conn->sock, &reply, sizeof(reply), 0);
if (ret < 0) {
}
rcu_read_unlock();
+ memset(&reply, 0, sizeof(reply));
reply.ret_code = htobe32(LTTNG_OK);
ret = conn->sock->ops->sendmsg(conn->sock, &reply, sizeof(reply), 0);
if (ret < 0) {
}
rcu_read_unlock();
+ memset(&reply, 0, sizeof(reply));
/* All good, send back reply. */
reply.ret_code = htobe32(LTTNG_OK);
}
rcu_read_unlock();
+ memset(&reply, 0, sizeof(reply));
/* All good, send back reply. */
reply.ret_code = htobe32(is_data_inflight);
DBG("Received live beacon for stream %" PRIu64, stream->stream_handle);
/*
- * Only flag a stream inactive when it has already received data.
+ * Only flag a stream inactive when it has already received data
+ * and no indexes are in flight.
*/
- if (stream->total_index_received > 0) {
+ if (stream->total_index_received > 0 && stream->indexes_in_flight == 0) {
stream->beacon_ts_end = be64toh(index_info.timestamp_end);
}
ret = 0;
goto end_rcu_unlock;
}
index_created = 1;
+ stream->indexes_in_flight++;
}
copy_index_control_data(index, &index_info);
+ if (stream->ctf_stream_id == -1ULL) {
+ stream->ctf_stream_id = be64toh(index_info.stream_id);
+ }
if (index_created) {
/*
/* Do we have a writable ready index to write on disk. */
if (wr_index) {
- /* Starting at 2.4, create the index file if none available. */
- if (conn->minor >= 4 && stream->index_fd < 0) {
- ret = index_create_file(stream->path_name, stream->channel_name,
- relayd_uid, relayd_gid, stream->tracefile_size,
- stream->tracefile_count_current);
- if (ret < 0) {
- goto end_rcu_unlock;
- }
- stream->index_fd = ret;
- }
-
ret = relay_index_write(wr_index->fd, wr_index);
if (ret < 0) {
goto end_rcu_unlock;
}
stream->total_index_received++;
+ stream->indexes_in_flight--;
+ assert(stream->indexes_in_flight >= 0);
}
end_rcu_unlock:
rcu_read_unlock();
+ memset(&reply, 0, sizeof(reply));
if (ret < 0) {
reply.ret_code = htobe32(LTTNG_ERR_UNK);
} else {
/*
* Inform the viewer that there are new streams in the session.
*/
- uatomic_set(&conn->session->new_streams, 1);
+ if (conn->session->viewer_refcount) {
+ uatomic_set(&conn->session->new_streams, 1);
+ }
+ memset(&reply, 0, sizeof(reply));
reply.ret_code = htobe32(LTTNG_OK);
send_ret = conn->sock->ops->sendmsg(conn->sock, &reply, sizeof(reply), 0);
if (send_ret < 0) {
goto error;
}
index_created = 1;
+ stream->indexes_in_flight++;
}
if (rotate_index || stream->index_fd < 0) {
goto error;
}
stream->total_index_received++;
+ stream->indexes_in_flight--;
+ assert(stream->indexes_in_flight >= 0);
}
error:
pthread_mutex_lock(&vstream->overwrite_lock);
vstream->abort_flag = 1;
pthread_mutex_unlock(&vstream->overwrite_lock);
- DBG("Streaming side setting abort_flag on stream %s_%lu\n",
+ DBG("Streaming side setting abort_flag on stream %s_%" PRIu64 "\n",
stream->channel_name, new_id);
} else if (vstream->tracefile_count_current ==
stream->tracefile_count_current) {
stream->tracefile_size, stream->tracefile_count,
relayd_uid, relayd_gid, stream->fd,
&(stream->tracefile_count_current), &stream->fd);
- stream->total_index_received = 0;
pthread_mutex_unlock(&stream->viewer_stream_rotation_lock);
if (ret < 0) {
ERR("Rotating stream output file");
connection_delete(relay_connections_ht, conn);
/* For the control socket, we try to destroy the session. */
- if (conn->type == RELAY_CONTROL) {
+ if (conn->type == RELAY_CONTROL && conn->session) {
destroy_session(conn->session, conn->sessions_ht);
}
struct lttcomm_relayd_hdr recv_hdr;
struct relay_local_data *relay_ctx = (struct relay_local_data *) data;
struct lttng_ht *sessions_ht = relay_ctx->sessions_ht;
+ struct relay_index *index;
DBG("[thread] Relay worker started");
health_code_update();
+ if (!revents) {
+ /* No activity for this FD (poll implementation). */
+ continue;
+ }
+
/* Thread quit pipe has been closed. Killing thread. */
ret = check_thread_quit_pipe(pollfd, revents);
if (ret) {
health_code_update();
+ if (!revents) {
+ /* No activity for this FD (poll implementation). */
+ continue;
+ }
+
/* Skip the command pipe. It's handled in the first loop. */
if (pollfd == relay_conn_pipe[0]) {
continue;
}
- if (revents) {
- rcu_read_lock();
- conn = connection_find_by_sock(relay_connections_ht, pollfd);
- if (!conn) {
- /* Skip it. Might be removed before. */
+ rcu_read_lock();
+ conn = connection_find_by_sock(relay_connections_ht, pollfd);
+ if (!conn) {
+ /* Skip it. Might be removed before. */
+ rcu_read_unlock();
+ continue;
+ }
+
+ if (revents & LPOLLIN) {
+ if (conn->type != RELAY_DATA) {
rcu_read_unlock();
continue;
}
- if (revents & LPOLLIN) {
- if (conn->type != RELAY_DATA) {
- continue;
- }
-
- ret = relay_process_data(conn);
- /* Connection closed */
- if (ret < 0) {
- cleanup_connection_pollfd(&events, pollfd);
- destroy_connection(relay_connections_ht, conn);
- DBG("Data connection closed with %d", pollfd);
- /*
- * Every goto restart call sets the last seen fd where
- * here we don't really care since we gracefully
- * continue the loop after the connection is deleted.
- */
- } else {
- /* Keep last seen port. */
- last_seen_data_fd = pollfd;
- rcu_read_unlock();
- goto restart;
- }
+ ret = relay_process_data(conn);
+ /* Connection closed */
+ if (ret < 0) {
+ cleanup_connection_pollfd(&events, pollfd);
+ destroy_connection(relay_connections_ht, conn);
+ DBG("Data connection closed with %d", pollfd);
+ /*
+ * Every goto restart call sets the last seen fd where
+ * here we don't really care since we gracefully
+ * continue the loop after the connection is deleted.
+ */
+ } else {
+ /* Keep last seen port. */
+ last_seen_data_fd = pollfd;
+ rcu_read_unlock();
+ goto restart;
}
- rcu_read_unlock();
}
+ rcu_read_unlock();
}
last_seen_data_fd = -1;
}
}
rcu_read_unlock();
error_poll_create:
+ rcu_read_lock();
+ cds_lfht_for_each_entry(indexes_ht->ht, &iter.iter, index,
+ index_n.node) {
+ health_code_update();
+ relay_index_delete(index);
+ relay_index_free_safe(index);
+ }
+ rcu_read_unlock();
lttng_ht_destroy(indexes_ht);
indexes_ht_error:
lttng_ht_destroy(relay_connections_ht);