/*
- * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
- * Julien Desfossez <julien.desfossez@efficios.com>
+ * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2012 Julien Desfossez <julien.desfossez@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _RELAYD_COMM
#include <lttng/lttng.h>
#include <common/defaults.h>
#include <common/index/ctf-index.h>
+#include <common/macros.h>
+#include <common/uuid.h>
+#include <common/optional.h>
#define RELAYD_VERSION_COMM_MAJOR VERSION_MAJOR
#define RELAYD_VERSION_COMM_MINOR VERSION_MINOR
+#define RELAYD_COMM_LTTNG_HOST_NAME_MAX_2_4 64
+#define RELAYD_COMM_LTTNG_NAME_MAX_2_4 255
+#define RELAYD_COMM_LTTNG_PATH_MAX 4096
+#define RELAYD_COMM_DEFAULT_STREAM_NAME_LEN 264 /* 256 + 8 */
+
/*
* lttng-relayd communication header.
*/
* Used to add a stream on the relay daemon.
*/
struct lttcomm_relayd_add_stream {
- char channel_name[DEFAULT_STREAM_NAME_LEN];
- char pathname[LTTNG_PATH_MAX];
+ char channel_name[RELAYD_COMM_DEFAULT_STREAM_NAME_LEN];
+ char pathname[RELAYD_COMM_LTTNG_PATH_MAX];
} LTTNG_PACKED;
/*
* Protocol version 2.2
*/
struct lttcomm_relayd_add_stream_2_2 {
- char channel_name[DEFAULT_STREAM_NAME_LEN];
- char pathname[LTTNG_PATH_MAX];
+ char channel_name[RELAYD_COMM_DEFAULT_STREAM_NAME_LEN];
+ char pathname[RELAYD_COMM_LTTNG_PATH_MAX];
uint64_t tracefile_size;
uint64_t tracefile_count;
} LTTNG_PACKED;
+struct lttcomm_relayd_add_stream_2_11 {
+ uint32_t channel_name_len;
+ uint32_t pathname_len;
+ uint64_t tracefile_size;
+ uint64_t tracefile_count;
+ uint64_t trace_chunk_id;
+ char names[];
+} LTTNG_PACKED;
+
/*
* Answer from an add stream command.
*/
* Create session in 2.4 adds additionnal parameters for live reading.
*/
struct lttcomm_relayd_create_session_2_4 {
- char session_name[LTTNG_NAME_MAX];
- char hostname[LTTNG_HOST_NAME_MAX];
+ char session_name[RELAYD_COMM_LTTNG_NAME_MAX_2_4];
+ char hostname[RELAYD_COMM_LTTNG_HOST_NAME_MAX_2_4];
uint32_t live_timer;
uint32_t snapshot;
} LTTNG_PACKED;
+struct lttcomm_relayd_create_session_2_11 {
+ uint32_t session_name_len;
+ uint32_t hostname_len;
+ /* Optional, set to 0 to indicate it is not user-specified. */
+ uint32_t base_path_len;
+ uint32_t live_timer;
+ uint8_t snapshot;
+ uint8_t session_name_contains_creation_time;
+ /* Sessiond instance UUID */
+ lttng_uuid sessiond_uuid;
+ /* Sessiond session id */
+ uint64_t session_id;
+ /* Session creation time, in seconds since UNIX Epoch. */
+ uint64_t creation_time;
+ LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED current_chunk_id;
+ /* Contains the session_name, hostname, base_path. */
+ char names[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_create_session_reply_2_11 {
+ struct lttcomm_relayd_status_session generic;
+ /* Includes the '\0' terminator. */
+ uint32_t output_path_length;
+ char output_path[];
+} LTTNG_PACKED;
+
/*
* Used to ask the relay to reset the metadata trace file (regeneration).
* Send the new version of the metadata (starts at 0).
uint64_t version;
} LTTNG_PACKED;
+struct lttcomm_relayd_stream_rotation_position {
+ uint64_t stream_id;
+ /*
+ * Sequence number of the first packet belonging to the new
+ * "destination" trace chunk to which the stream is rotating.
+ *
+ * Ignored for metadata streams.
+ */
+ uint64_t rotate_at_seq_num;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_rotate_streams {
+ uint32_t stream_count;
+ /*
+ * Streams can be rotated outside of a chunk but not be parented to
+ * a new chunk.
+ */
+ LTTNG_OPTIONAL_COMM(uint64_t) new_chunk_id;
+ /* `stream_count` positions follow. */
+ struct lttcomm_relayd_stream_rotation_position rotation_positions[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_create_trace_chunk {
+ uint64_t chunk_id;
+ /* Seconds since EPOCH. */
+ uint64_t creation_timestamp;
+ /* Includes trailing NULL. */
+ uint32_t override_name_length;
+ char override_name[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_close_trace_chunk {
+ uint64_t chunk_id;
+ /* Seconds since EPOCH. */
+ uint64_t close_timestamp;
+ /* enum lttng_trace_chunk_command_type */
+ LTTNG_OPTIONAL_COMM(uint32_t) LTTNG_PACKED close_command;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_close_trace_chunk_reply {
+ struct lttcomm_relayd_generic_reply generic;
+ /* Includes trailing NULL. */
+ uint32_t path_length;
+ char path[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_trace_chunk_exists {
+ uint64_t chunk_id;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_trace_chunk_exists_reply {
+ struct lttcomm_relayd_generic_reply generic;
+ uint8_t trace_chunk_exists;
+} LTTNG_PACKED;
+
+enum lttcomm_relayd_configuration_flag {
+ /* The relay daemon (2.12) is configured to allow clear operations. */
+ LTTCOMM_RELAYD_CONFIGURATION_FLAG_CLEAR_ALLOWED = (1 << 0),
+};
+
+struct lttcomm_relayd_get_configuration {
+ uint64_t query_flags;
+} LTTNG_PACKED;
+
+/*
+ * Used to return a relay daemon's configuration in reply to the
+ * RELAYD_GET_CONFIGURATION command.
+ */
+struct lttcomm_relayd_get_configuration_reply {
+ struct lttcomm_relayd_generic_reply generic;
+ /* Set of lttcomm_relayd_configuration_flag. */
+ uint64_t relayd_configuration_flags;
+ /* Optional variable-length payload. */
+ char payload[];
+} LTTNG_PACKED;
+
#endif /* _RELAYD_COMM */
projects / lttng-tools.git / blobdiff