Data Formats

Record Container

record_container = [
    ; magic is a byte string designed to mark this file as binary for unassuming
    ; text editors. It also contains the ISO-8859-1 sequence «~{dlog}~»
    magic: h'0d0aab7e7b646c6f677d7ebb0a1a',
    resource,
    records: #6.256([* entry]) / [* entry]
]

resource = resource_v00

resource_v00 = {
    0: 0, ; version property
    4: epoch_info,
    23: attributes,
}

epoch_info = [
    system: uint,
    steady: uint,
]

entry = record / span_start / span_end

record = [
    severity,
    ctx: [
        ? name: dupe_tstr,
        ? ( trace_id, span_id ),
    ],
    timestamp,
    message: dupe_tstr,
    fmtArgs: [* any],
    attributes,
]

span_start = [
    id: span_context,
    kind: span_kind,
    parent: span_context / null,
    timestamp,
    name: dupe_tstr,
    [ * span_link ]
    attributes,
]
span_end = [
    id: span_context,
    timestamp,
]

span_context = [
    trace_id,
    span_id,
]

span_link = [ span_context, attributes ]

attributes = {
    dlog_attr_line_id ^ => uint,
    dlog_attr_file_id ^ => dupe_tstr
    * dlog_attribute,
    * otlp_attribute,
}

dlog_attr_line_id = 2
dlog_attr_file_id = 3

dlog_attribute = (dlog_attribute_id => dlog_attribute_value)
dlog_attribute_value = any
dlog_attribute_id = uint

otlp_attributes = { * otlp_attribute }
otlp_attribute = (otlp_attribute_id => otlp_attribute_value)
otlp_attribute_value = bool / int / float64 / dupe_tstr / [((+ bool) // (+ int) // (+ float64) // (+ dupe_tstr))]
otlp_attribute_id = dupe_tstr

timestamp = uint
trace_id = bstr .size 16
span_id = bstr .size 8
severity = #0.0 .. #0.23
span_kind = #0.0 .. #0.4

dupe_tstr = tstr / #6.25(uint)