Enum mcap::records::Record

pub enum Record<'a> {
    Header(Header),
    Footer(Footer),
    Schema {
        header: SchemaHeader,
        data: Cow<'a, [u8]>,
    },
    Channel(Channel),
    Message {
        header: MessageHeader,
        data: Cow<'a, [u8]>,
    },
    Chunk {
        header: ChunkHeader,
        data: Cow<'a, [u8]>,
    },
    MessageIndex(MessageIndex),
    ChunkIndex(ChunkIndex),
    Attachment {
        header: AttachmentHeader,
        data: Cow<'a, [u8]>,
    },
    AttachmentIndex(AttachmentIndex),
    Statistics(Statistics),
    Metadata(Metadata),
    MetadataIndex(MetadataIndex),
    SummaryOffset(SummaryOffset),
    DataEnd(DataEnd),
    Unknown {
        opcode: u8,
        data: Cow<'a, [u8]>,
    },
}

A raw record from an MCAP file.

For records with large slices of binary data (schemas, messages, chunks…), we use a CoW that can either borrow directly from the mapped file, or hold its own buffer if it was decompressed from a chunk.

Variants

Header(Header)

Footer(Footer)

Schema

Fields

header: SchemaHeader

data: Cow<'a, [u8]>

Channel(Channel)

Message

Fields

header: MessageHeader

data: Cow<'a, [u8]>

Chunk

Fields

header: ChunkHeader

data: Cow<'a, [u8]>

MessageIndex(MessageIndex)

ChunkIndex(ChunkIndex)

Attachment

Fields

header: AttachmentHeader

data: Cow<'a, [u8]>

AttachmentIndex(AttachmentIndex)

Statistics(Statistics)

Metadata(Metadata)

MetadataIndex(MetadataIndex)

SummaryOffset(SummaryOffset)

DataEnd(DataEnd)

Unknown

Fields

opcode: u8

data: Cow<'a, [u8]>

A record of unknown type

Implementations

impl Record<'_>

pub fn opcode(&self) -> u8

Trait Implementations

impl<'a> Debug for Record<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.