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- meta:
- id: netdata_datafile
- endian: le
- seq:
- - id: hdr
- type: header
- size: 4096
- - id: extents
- type: extent
- repeat: eos
- types:
- header:
- seq:
- - id: magic
- contents: "netdata-data-file"
- - id: reserved
- size: 15
- - id: version
- contents: "1.0"
- - id: reserved1
- size: 13
- - id: tier
- type: u1
- extent_page_descr:
- seq:
- - id: type
- type: u1
- enum: page_type
- - id: uuid
- size: 16
- - id: page_len
- type: u4
- - id: start_time_ut
- type: u8
- - id: end_time_ut
- type: u8
- enums:
- page_type:
- 0: metrics
- 1: tier
- extent_header:
- seq:
- - id: payload_length
- type: u4
- - id: compression_algorithm
- type: u1
- enum: compression_algos
- - id: number_of_pages
- type: u1
- - id: page_descriptors
- type: extent_page_descr
- repeat: expr
- repeat-expr: number_of_pages
- enums:
- compression_algos:
- 0: rrd_no_compression
- 1: rrd_lz4
- extent_trailer:
- seq:
- - id: crc32_checksum
- type: u4
- extent:
- seq:
- - id: header
- type: extent_header
- - id: payload
- size: header.payload_length
- - id: trailer
- type: extent_trailer
- - id: padding
- size: (((_io.pos + 4095) / 4096) * 4096) - _io.pos
- # the extent size is made to always be a multiple of 4096
|
