X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Frelayd.h;h=0a8f53b4ac7d40c46215637403edda5daa5c1551;hp=c025fcdd926a21eef1032a72c4f5cd9a8461e99a;hb=ad7051c0f2e1eb584c623794bf4b83548e3ccadc;hpb=173af62f4804133d4a7f45e34b6f72126f3eca5f diff --git a/src/common/sessiond-comm/relayd.h b/src/common/sessiond-comm/relayd.h index c025fcdd9..0a8f53b4a 100644 --- a/src/common/sessiond-comm/relayd.h +++ b/src/common/sessiond-comm/relayd.h @@ -25,6 +25,10 @@ #include #include +#include + +#define RELAYD_VERSION_COMM_MAJOR 2 +#define RELAYD_VERSION_COMM_MINOR 1 /* * lttng-relayd communication header. @@ -33,9 +37,9 @@ struct lttcomm_relayd_hdr { /* Circuit ID not used for now so always ignored */ uint64_t circuit_id; uint64_t data_size; /* data size following this header */ - uint32_t cmd; /* enum lttcomm_sessiond_command */ + uint32_t cmd; /* enum lttcomm_relayd_command */ uint32_t cmd_version; /* command version */ -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * lttng-relayd data header. @@ -46,15 +50,24 @@ struct lttcomm_relayd_data_hdr { uint64_t stream_id; /* Stream ID known by the relayd */ uint64_t net_seq_num; /* Network sequence number, per stream. */ uint32_t data_size; /* data size following this header */ -} __attribute__ ((__packed__)); + uint32_t padding_size; /* Size of 0 padding the data */ +} LTTNG_PACKED; + +/* + * Reply from a create session command. + */ +struct lttcomm_relayd_status_session { + uint64_t session_id; + uint32_t ret_code; +} LTTNG_PACKED; /* * Used to add a stream on the relay daemon. */ struct lttcomm_relayd_add_stream { - char channel_name[LTTNG_SYMBOL_NAME_LEN]; + char channel_name[DEFAULT_STREAM_NAME_LEN]; char pathname[PATH_MAX]; -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * Answer from an add stream command. @@ -62,21 +75,21 @@ struct lttcomm_relayd_add_stream { struct lttcomm_relayd_status_stream { uint64_t handle; uint32_t ret_code; -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * Used to return command code for command not needing special data. */ struct lttcomm_relayd_generic_reply { uint32_t ret_code; -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * Used to update synchronization information. */ struct lttcomm_relayd_update_sync_info { /* TODO: fill the structure. Feature not implemented yet */ -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * Version command. @@ -84,15 +97,16 @@ struct lttcomm_relayd_update_sync_info { struct lttcomm_relayd_version { uint32_t major; uint32_t minor; -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * Metadata payload used when metadata command is sent. */ struct lttcomm_relayd_metadata_payload { uint64_t stream_id; + uint32_t padding_size; char payload[]; -} __attribute__ ((__packed__)); +} LTTNG_PACKED; /* * Used to indicate that a specific stream id can now be closed. @@ -100,6 +114,27 @@ struct lttcomm_relayd_metadata_payload { struct lttcomm_relayd_close_stream { uint64_t stream_id; uint64_t last_net_seq_num; /* sequence number of last packet */ -} __attribute__ ((__packed__)); +} LTTNG_PACKED; + +/* + * Used to test if for a given stream id the data is pending on the relayd side + * for reading. + */ +struct lttcomm_relayd_data_pending { + uint64_t stream_id; + uint64_t last_net_seq_num; /* Sequence number of the last packet */ +} LTTNG_PACKED; + +struct lttcomm_relayd_begin_data_pending { + uint64_t session_id; +} LTTNG_PACKED; + +struct lttcomm_relayd_end_data_pending { + uint64_t session_id; +} LTTNG_PACKED; + +struct lttcomm_relayd_quiescent_control { + uint64_t stream_id; +} LTTNG_PACKED; #endif /* _RELAYD_COMM */