X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Frelayd.h;h=f86dde3d1243d70f26769e9efaa893fed1a89a66;hp=bc27b0ed4e0ef764d0bf0e1af92bb30ec93ccdc2;hb=1b0bebcb6f1a5230aedfcbab78623bb5eac633d5;hpb=d3e2ba59faddb31870e2ce29b6a881f7ad5ad883 diff --git a/src/common/sessiond-comm/relayd.h b/src/common/sessiond-comm/relayd.h index bc27b0ed4..f86dde3d1 100644 --- a/src/common/sessiond-comm/relayd.h +++ b/src/common/sessiond-comm/relayd.h @@ -19,19 +19,24 @@ #ifndef _RELAYD_COMM #define _RELAYD_COMM -#define _GNU_SOURCE - #include #include #include #include -#include -#include +#include +#include +#include +#include #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. */ @@ -67,8 +72,8 @@ struct lttcomm_relayd_status_session { * Used to add a stream on the relay daemon. */ struct lttcomm_relayd_add_stream { - char channel_name[DEFAULT_STREAM_NAME_LEN]; - char pathname[PATH_MAX]; + char channel_name[RELAYD_COMM_DEFAULT_STREAM_NAME_LEN]; + char pathname[RELAYD_COMM_LTTNG_PATH_MAX]; } LTTNG_PACKED; /* @@ -76,10 +81,19 @@ struct lttcomm_relayd_add_stream { * Protocol version 2.2 */ struct lttcomm_relayd_add_stream_2_2 { - char channel_name[DEFAULT_STREAM_NAME_LEN]; - char pathname[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_archive_id; + char names[]; } LTTNG_PACKED; /* @@ -97,13 +111,6 @@ struct lttcomm_relayd_generic_reply { uint32_t ret_code; } LTTNG_PACKED; -/* - * Used to update synchronization information. - */ -struct lttcomm_relayd_update_sync_info { - /* TODO: fill the structure. Feature not implemented yet */ -} LTTNG_PACKED; - /* * Version command. */ @@ -162,15 +169,81 @@ struct lttcomm_relayd_index { uint64_t timestamp_end; uint64_t events_discarded; uint64_t stream_id; -} LTTNG_PACKED; + /* 2.8+ */ + uint64_t stream_instance_id; + uint64_t packet_seq_num; +} LTTNG_PACKED; + +static inline size_t lttcomm_relayd_index_len(uint32_t major, uint32_t minor) +{ + if (major == 1) { + switch (minor) { + case 0: + return offsetof(struct lttcomm_relayd_index, stream_id) + + member_sizeof(struct lttcomm_relayd_index, + stream_id); + case 1: + return offsetof(struct lttcomm_relayd_index, packet_seq_num) + + member_sizeof(struct lttcomm_relayd_index, + packet_seq_num); + default: + abort(); + } + } + abort(); +} /* * Create session in 2.4 adds additionnal parameters for live reading. */ struct lttcomm_relayd_create_session_2_4 { - char session_name[NAME_MAX]; - char hostname[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; + uint32_t live_timer; + uint8_t snapshot; + /* Sessiond instance UUID */ + lttng_uuid sessiond_uuid; + /* Sessiond session id */ + uint64_t session_id; + LTTNG_OPTIONAL_COMM(uint64_t) current_chunk_id; + /* Contains the session_name and hostname */ + char names[]; +} LTTNG_PACKED; + +/* + * Used to ask the relay to reset the metadata trace file (regeneration). + * Send the new version of the metadata (starts at 0). + */ +struct lttcomm_relayd_reset_metadata { + uint64_t stream_id; + uint64_t version; +} LTTNG_PACKED; + +struct lttcomm_relayd_rotate_stream { + uint64_t stream_id; + /* Ignored for metadata streams. */ + uint64_t rotate_at_seq_num; + uint64_t new_chunk_id; + /* Includes trailing NULL. */ + uint32_t pathname_length; + /* Must be the last member of this structure. */ + char new_pathname[]; +} 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; #endif /* _RELAYD_COMM */