A single Message published to a Channel. More...

#include <types.hpp>

Public Attributes
ChannelId	channelId

const std::byte *	data = nullptr
	A pointer to the message payload. For readers, this pointer is only valid for the lifetime of an onMessage callback or before the message iterator is advanced. More...

uint64_t	dataSize
	Size of the message payload in bytes, pointed to via `data`. More...

Timestamp	logTime
	Nanosecond timestamp when this message was recorded or received for recording. More...

Timestamp	publishTime
	Nanosecond timestamp when this message was initially published. If not available, this should be set to `logTime`. More...

uint32_t	sequence
	An optional sequence number. If non-zero, sequence numbers should be unique per channel and increasing over time. More...

Detailed Description

A single Message published to a Channel.

Definition at line 178 of file types.hpp.

Member Data Documentation

◆ channelId

ChannelId mcap::Message::channelId

Definition at line 179 of file types.hpp.

◆ data

const std::byte* mcap::Message::data = nullptr

A pointer to the message payload. For readers, this pointer is only valid for the lifetime of an onMessage callback or before the message iterator is advanced.

Definition at line 204 of file types.hpp.

◆ dataSize

uint64_t mcap::Message::dataSize

Size of the message payload in bytes, pointed to via data.

Definition at line 198 of file types.hpp.

◆ logTime

Timestamp mcap::Message::logTime

Nanosecond timestamp when this message was recorded or received for recording.

Definition at line 189 of file types.hpp.

◆ publishTime

Timestamp mcap::Message::publishTime

Nanosecond timestamp when this message was initially published. If not available, this should be set to logTime.

Definition at line 194 of file types.hpp.

◆ sequence

uint32_t mcap::Message::sequence

An optional sequence number. If non-zero, sequence numbers should be unique per channel and increasing over time.

Definition at line 184 of file types.hpp.

The documentation for this struct was generated from the following file:

types.hpp

Public Attributes