Detailed Description

A single Message published to a Channel.

Definition at line 182 of file types.hpp.

#include <types.hpp>

Public Attributes
ChannelId	channelId

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

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

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

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

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.

Member Data Documentation

◆ channelId

ChannelId mcap::Message::channelId

Definition at line 183 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 208 of file types.hpp.

◆ dataSize

uint64_t mcap::Message::dataSize

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

Definition at line 202 of file types.hpp.

◆ logTime

Timestamp mcap::Message::logTime

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

Definition at line 193 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 198 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 188 of file types.hpp.

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

types.hpp