}
}
+static inline
+void viewer_connection_close_socket(
+ struct live_viewer_connection *viewer_connection)
+{
+ bt_self_component_class *self_comp_class =
+ viewer_connection->self_comp_class;
+ bt_self_component *self_comp =
+ viewer_connection->self_comp;
+ int ret = bt_socket_close(viewer_connection->control_sock);
+ if (ret == -1) {
+ BT_COMP_OR_COMP_CLASS_LOGW_ERRNO(
+ self_comp, self_comp_class,
+ "Error closing viewer connection socket: ", ".");
+ }
+
+ viewer_connection->control_sock = BT_INVALID_SOCKET;
+}
+
/*
* This function receives a message from the Relay daemon.
* If it received the entire message, it returns _OK,
}
} else {
/*
- * For any other types of socket error, returng
- * an error.
+ * For any other types of socket error, close
+ * the socket and return an error.
*/
LTTNG_LIVE_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE_ERRNO(
self_comp, self_comp_class,
"Error receiving from Relay", ".");
+
+ viewer_connection_close_socket(viewer_connection);
status = LTTNG_LIVE_VIEWER_STATUS_ERROR;
goto end;
}
* connection was orderly shutdown from the other peer.
* If that happens when we are trying to receive
* a message from it, it means something when wrong.
+ * Close the socket and return an error.
*/
- status = LTTNG_LIVE_VIEWER_STATUS_ERROR;
BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp,
self_comp_class, "Remote side has closed connection");
+ viewer_connection_close_socket(viewer_connection);
+ status = LTTNG_LIVE_VIEWER_STATUS_ERROR;
goto end;
}
}
} else {
/*
- * The send() call returned an error.
+ * For any other types of socket error, close
+ * the socket and return an error.
*/
LTTNG_LIVE_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE_ERRNO(
self_comp, self_comp_class,
"Error sending to Relay", ".");
+
+ viewer_connection_close_socket(viewer_connection);
status = LTTNG_LIVE_VIEWER_STATUS_ERROR;
goto end;
}
error_buf);
goto end;
}
+ viewer_connection->proto = lttng_live_url_parts.proto;
+ lttng_live_url_parts.proto = NULL;
viewer_connection->relay_hostname = lttng_live_url_parts.hostname;
lttng_live_url_parts.hostname = NULL;
lttng_live_url_parts.session_name = NULL;
}
- BT_COMP_LOGI("Connecting to hostname : %s, port : %d, "
- "target hostname : %s, session name : %s, proto : %s",
- viewer_connection->relay_hostname->str,
- viewer_connection->port,
- !viewer_connection->target_hostname ?
- "<none>" : viewer_connection->target_hostname->str,
- !viewer_connection->session_name ?
- "<none>" : viewer_connection->session_name->str,
- lttng_live_url_parts.proto->str);
ret = 0;
end:
const size_t cmd_buf_len = sizeof(cmd) + sizeof(connect);
char cmd_buf[cmd_buf_len];
+ BT_COMP_OR_COMP_CLASS_LOGD(self_comp, self_comp_class,
+ "Handshaking with the Relay: "
+ "major-version=%u, minor-version=%u",
+ LTTNG_LIVE_MAJOR, LTTNG_LIVE_MINOR);
+
cmd.cmd = htobe32(LTTNG_VIEWER_CONNECT);
cmd.data_size = htobe64((uint64_t) sizeof(connect));
cmd.cmd_version = htobe32(0);
goto end;
}
- BT_COMP_LOGI("Received viewer session ID : %" PRIu64,
- (uint64_t) be64toh(connect.viewer_session_id));
- BT_COMP_LOGI("Relayd version : %u.%u", be32toh(connect.major),
- be32toh(connect.minor));
+ BT_COMP_OR_COMP_CLASS_LOGI(self_comp, self_comp_class,
+ "Received viewer session ID : %" PRIu64,
+ (uint64_t) be64toh(connect.viewer_session_id));
+ BT_COMP_OR_COMP_CLASS_LOGI(self_comp, self_comp_class,
+ "Relayd version : %u.%u", be32toh(connect.major),
+ be32toh(connect.minor));
if (LTTNG_LIVE_MAJOR != be32toh(connect.major)) {
BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp,
goto error;
}
+ BT_COMP_OR_COMP_CLASS_LOGD(self_comp, self_comp_class,
+ "Connecting to hostname : %s, port : %d, "
+ "target hostname : %s, session name : %s, proto : %s",
+ viewer_connection->relay_hostname->str,
+ viewer_connection->port,
+ !viewer_connection->target_hostname ?
+ "<none>" : viewer_connection->target_hostname->str,
+ !viewer_connection->session_name ?
+ "<none>" : viewer_connection->session_name->str,
+ viewer_connection->proto->str);
+
host = gethostbyname(viewer_connection->relay_hostname->str);
if (!host) {
BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp,
error:
if (viewer_connection->control_sock != BT_INVALID_SOCKET) {
if (bt_socket_close(viewer_connection->control_sock) == BT_SOCKET_ERROR) {
- BT_COMP_OR_COMP_CLASS_LOGE(self_comp, self_comp_class,
- "Error closing socket: %s", bt_socket_errormsg());
+ BT_COMP_OR_COMP_CLASS_LOGW(self_comp, self_comp_class,
+ "Error closing socket: %s.", bt_socket_errormsg());
}
}
viewer_connection->control_sock = BT_INVALID_SOCKET;
void lttng_live_disconnect_viewer(
struct live_viewer_connection *viewer_connection)
{
+ bt_self_component_class *self_comp_class = viewer_connection->self_comp_class;
+ bt_self_component *self_comp = viewer_connection->self_comp;
+
if (viewer_connection->control_sock == BT_INVALID_SOCKET) {
return;
}
if (bt_socket_close(viewer_connection->control_sock) == BT_SOCKET_ERROR) {
- BT_COMP_LOGE("Error closing socket: %s",
- bt_socket_errormsg());
+ BT_COMP_OR_COMP_CLASS_LOGW(self_comp, self_comp_class,
+ "Error closing socket: %s", bt_socket_errormsg());
viewer_connection->control_sock = BT_INVALID_SOCKET;
}
}
bt_self_component_class *self_comp_class =
viewer_connection->self_comp_class;
+ BT_COMP_LOGD("Asking the Relay for the list of sessions");
+
cmd.cmd = htobe32(LTTNG_VIEWER_LIST_SESSIONS);
cmd.data_size = htobe64((uint64_t) 0);
cmd.cmd_version = htobe32(0);
lsession.session_name[LTTNG_VIEWER_NAME_MAX - 1] = '\0';
session_id = be64toh(lsession.id);
- BT_COMP_LOGI("Adding session %" PRIu64 " hostname: %s session_name: %s",
+ BT_COMP_LOGI("Adding session to internal list: "
+ "session-id=%" PRIu64 ", hostname=\"%s\", session-name=\"%s\"",
session_id, lsession.hostname, lsession.session_name);
if ((strncmp(lsession.session_name,
LTTNG_VIEWER_NAME_MAX) == 0) && (strncmp(lsession.hostname,
viewer_connection->target_hostname->str,
LTTNG_VIEWER_HOST_NAME_MAX) == 0)) {
+
if (lttng_live_add_session(lttng_live_msg_iter, session_id,
lsession.hostname,
lsession.session_name)) {
bt_self_component_class *self_comp_class =
viewer_connection->self_comp_class;
+ BT_COMP_OR_COMP_CLASS_LOGD(self_comp, self_comp_class,
+ "Creating a viewer session");
+
cmd.cmd = htobe32(LTTNG_VIEWER_CREATE_SESSION);
cmd.data_size = htobe64((uint64_t) 0);
cmd.cmd_version = htobe32(0);
const size_t cmd_buf_len = sizeof(cmd) + sizeof(rq);
char cmd_buf[cmd_buf_len];
+ BT_COMP_LOGD("Attaching to session: session-id=%"PRIu64, session_id);
+
cmd.cmd = htobe32(LTTNG_VIEWER_ATTACH_SESSION);
cmd.data_size = htobe64((uint64_t) sizeof(rq));
cmd.cmd_version = htobe32(0);
const size_t cmd_buf_len = sizeof(cmd) + sizeof(rq);
char cmd_buf[cmd_buf_len];
- if (!session->attached) {
+ /*
+ * The session might already be detached and the viewer socket might
+ * already been closed. This happens when calling this function when
+ * tearing down the graph after an error.
+ */
+ if (!session->attached || viewer_connection->control_sock == BT_INVALID_SOCKET) {
return 0;
}
const size_t cmd_buf_len = sizeof(cmd) + sizeof(rq);
char cmd_buf[cmd_buf_len];
+ BT_COMP_LOGD("Requesting new metadata for trace: "
+ "trace-id=%"PRIu64", metadata-stream-id=%"PRIu64,
+ trace->id, metadata->stream_id);
+
rq.stream_id = htobe64(metadata->stream_id);
cmd.cmd = htobe32(LTTNG_VIEWER_GET_METADATA);
cmd.data_size = htobe64((uint64_t) sizeof(rq));
char cmd_buf[cmd_buf_len];
uint32_t flags, rp_status;
+ BT_COMP_LOGD("Requesting next index for stream: "
+ "stream-id=%"PRIu64, stream->viewer_stream_id);
+
cmd.cmd = htobe32(LTTNG_VIEWER_GET_NEXT_INDEX);
cmd.data_size = htobe64((uint64_t) sizeof(rq));
cmd.cmd_version = htobe32(0);
if (flags & LTTNG_VIEWER_FLAG_NEW_METADATA) {
BT_COMP_LOGD("Received get_next_index response: new metadata needed");
- trace->new_metadata_needed = true;
+ trace->metadata_stream_state = LTTNG_LIVE_METADATA_STREAM_STATE_NEEDED;
}
if (flags & LTTNG_VIEWER_FLAG_NEW_STREAM) {
BT_COMP_LOGD("Received get_next_index response: new streams needed");
case LTTNG_VIEWER_GET_PACKET_ERR:
if (flags & LTTNG_VIEWER_FLAG_NEW_METADATA) {
BT_COMP_LOGD("get_data_packet: new metadata needed, try again later");
- trace->new_metadata_needed = true;
+ trace->metadata_stream_state = LTTNG_LIVE_METADATA_STREAM_STATE_NEEDED;
}
if (flags & LTTNG_VIEWER_FLAG_NEW_STREAM) {
BT_COMP_LOGD("get_data_packet: new streams needed, try again later");
goto end;
}
+ BT_COMP_LOGD("Requesting new streams for session: "
+ "session-id=%"PRIu64, session->id);
+
cmd.cmd = htobe32(LTTNG_VIEWER_GET_NEW_STREAMS);
cmd.data_size = htobe64((uint64_t) sizeof(rq));
cmd.cmd_version = htobe32(0);
goto error;
}
- BT_COMP_LOGI("Establishing connection to url \"%s\"...", url);
+ BT_COMP_OR_COMP_CLASS_LOGD(self_comp, self_comp_class,
+ "Establishing connection to url \"%s\"...", url);
status = lttng_live_connect_viewer(viewer_connection);
/*
* Only print error and append cause in case of error. not in case of
} else if (status == LTTNG_LIVE_VIEWER_STATUS_INTERRUPTED) {
goto error;
}
- BT_COMP_LOGI("Connection to url \"%s\" is established", url);
+ BT_COMP_OR_COMP_CLASS_LOGD(self_comp, self_comp_class,
+ "Connection to url \"%s\" is established", url);
*viewer = viewer_connection;
status = LTTNG_LIVE_VIEWER_STATUS_OK;
void live_viewer_connection_destroy(
struct live_viewer_connection *viewer_connection)
{
- BT_COMP_LOGI("Closing connection to url \"%s\"", viewer_connection->url->str);
+ bt_self_component *self_comp = viewer_connection->self_comp;
+ bt_self_component_class *self_comp_class = viewer_connection->self_comp_class;
if (!viewer_connection) {
goto end;
}
+ BT_COMP_OR_COMP_CLASS_LOGD(self_comp, self_comp_class,
+ "Closing connection to relay:"
+ "relay-url=\"%s\"", viewer_connection->url->str);
+
lttng_live_disconnect_viewer(viewer_connection);
if (viewer_connection->url) {
g_string_free(viewer_connection->session_name, true);
}
+ if (viewer_connection->proto) {
+ g_string_free(viewer_connection->proto, true);
+ }
+
g_free(viewer_connection);
bt_socket_fini();
projects / babeltrace.git / blobdiff