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Diffstat (limited to 'src/zentelemetry/otellogprotozero.h')
| -rw-r--r-- | src/zentelemetry/otellogprotozero.h | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/src/zentelemetry/otellogprotozero.h b/src/zentelemetry/otellogprotozero.h new file mode 100644 index 000000000..1e2e85d2d --- /dev/null +++ b/src/zentelemetry/otellogprotozero.h @@ -0,0 +1,287 @@ +// Copyright Epic Games, Inc. All Rights Reserved. + +#pragma once + +#include "otelprotozero.h" + +////////////////////////////////////////////////////////////////////////// +// +// OTEL .proto definitions, for reference +// + +#if 0 + +// clang-format off + +///////////////////////////////////////////////////////////////////////////////////// +// logs/v1 + +// LogsData represents the logs data that can be stored in a persistent storage, +// OR can be embedded by other protocols that transfer OTLP logs data but do not +// implement the OTLP protocol. +// +// The main difference between this message and collector protocol is that +// in this message there will not be any "control" or "metadata" specific to +// OTLP protocol. +// +// When new fields are added into this message, the OTLP request MUST be updated +// as well. +message LogsData { + // An array of ResourceLogs. + // For data coming from a single resource this array will typically contain + // one element. Intermediary nodes that receive data from multiple origins + // typically batch the data before forwarding further and in that case this + // array will contain multiple elements. + repeated ResourceLogs resource_logs = 1; +} + +// A collection of ScopeLogs from a Resource. +message ResourceLogs { + reserved 1000; + + // The resource for the logs in this message. + // If this field is not set then resource info is unknown. + opentelemetry.proto.resource.v1.Resource resource = 1; + + // A list of ScopeLogs that originate from a resource. + repeated ScopeLogs scope_logs = 2; + + // The Schema URL, if known. This is the identifier of the Schema that the resource data + // is recorded in. Notably, the last part of the URL path is the version number of the + // schema: http[s]://server[:port]/path/<version>. To learn more about Schema URL see + // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url + // This schema_url applies to the data in the "resource" field. It does not apply + // to the data in the "scope_logs" field which have their own schema_url field. + string schema_url = 3; +} + +// A collection of Logs produced by a Scope. +message ScopeLogs { + // The instrumentation scope information for the logs in this message. + // Semantically when InstrumentationScope isn't set, it is equivalent with + // an empty instrumentation scope name (unknown). + opentelemetry.proto.common.v1.InstrumentationScope scope = 1; + + // A list of log records. + repeated LogRecord log_records = 2; + + // The Schema URL, if known. This is the identifier of the Schema that the log data + // is recorded in. Notably, the last part of the URL path is the version number of the + // schema: http[s]://server[:port]/path/<version>. To learn more about Schema URL see + // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url + // This schema_url applies to all logs in the "logs" field. + string schema_url = 3; +} + +// Possible values for LogRecord.SeverityNumber. +enum SeverityNumber { + // UNSPECIFIED is the default SeverityNumber, it MUST NOT be used. + SEVERITY_NUMBER_UNSPECIFIED = 0; + SEVERITY_NUMBER_TRACE = 1; + SEVERITY_NUMBER_TRACE2 = 2; + SEVERITY_NUMBER_TRACE3 = 3; + SEVERITY_NUMBER_TRACE4 = 4; + SEVERITY_NUMBER_DEBUG = 5; + SEVERITY_NUMBER_DEBUG2 = 6; + SEVERITY_NUMBER_DEBUG3 = 7; + SEVERITY_NUMBER_DEBUG4 = 8; + SEVERITY_NUMBER_INFO = 9; + SEVERITY_NUMBER_INFO2 = 10; + SEVERITY_NUMBER_INFO3 = 11; + SEVERITY_NUMBER_INFO4 = 12; + SEVERITY_NUMBER_WARN = 13; + SEVERITY_NUMBER_WARN2 = 14; + SEVERITY_NUMBER_WARN3 = 15; + SEVERITY_NUMBER_WARN4 = 16; + SEVERITY_NUMBER_ERROR = 17; + SEVERITY_NUMBER_ERROR2 = 18; + SEVERITY_NUMBER_ERROR3 = 19; + SEVERITY_NUMBER_ERROR4 = 20; + SEVERITY_NUMBER_FATAL = 21; + SEVERITY_NUMBER_FATAL2 = 22; + SEVERITY_NUMBER_FATAL3 = 23; + SEVERITY_NUMBER_FATAL4 = 24; +} + +// LogRecordFlags represents constants used to interpret the +// LogRecord.flags field, which is protobuf 'fixed32' type and is to +// be used as bit-fields. Each non-zero value defined in this enum is +// a bit-mask. To extract the bit-field, for example, use an +// expression like: +// +// (logRecord.flags & LOG_RECORD_FLAGS_TRACE_FLAGS_MASK) +// +enum LogRecordFlags { + // The zero value for the enum. Should not be used for comparisons. + // Instead use bitwise "and" with the appropriate mask as shown above. + LOG_RECORD_FLAGS_DO_NOT_USE = 0; + + // Bits 0-7 are used for trace flags. + LOG_RECORD_FLAGS_TRACE_FLAGS_MASK = 0x000000FF; + + // Bits 8-31 are reserved for future use. +} + +// A log record according to OpenTelemetry Log Data Model: +// https://github.com/open-telemetry/oteps/blob/main/text/logs/0097-log-data-model.md +message LogRecord { + reserved 4; + + // time_unix_nano is the time when the event occurred. + // Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970. + // Value of 0 indicates unknown or missing timestamp. + fixed64 time_unix_nano = 1; + + // Time when the event was observed by the collection system. + // For events that originate in OpenTelemetry (e.g. using OpenTelemetry Logging SDK) + // this timestamp is typically set at the generation time and is equal to Timestamp. + // For events originating externally and collected by OpenTelemetry (e.g. using + // Collector) this is the time when OpenTelemetry's code observed the event measured + // by the clock of the OpenTelemetry code. This field MUST be set once the event is + // observed by OpenTelemetry. + // + // For converting OpenTelemetry log data to formats that support only one timestamp or + // when receiving OpenTelemetry log data by recipients that support only one timestamp + // internally the following logic is recommended: + // - Use time_unix_nano if it is present, otherwise use observed_time_unix_nano. + // + // Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970. + // Value of 0 indicates unknown or missing timestamp. + fixed64 observed_time_unix_nano = 11; + + // Numerical value of the severity, normalized to values described in Log Data Model. + // [Optional]. + SeverityNumber severity_number = 2; + + // The severity text (also known as log level). The original string representation as + // it is known at the source. [Optional]. + string severity_text = 3; + + // A value containing the body of the log record. Can be for example a human-readable + // string message (including multi-line) describing the event in a free form or it can + // be a structured data composed of arrays and maps of other values. [Optional]. + opentelemetry.proto.common.v1.AnyValue body = 5; + + // Additional attributes that describe the specific event occurrence. [Optional]. + // Attribute keys MUST be unique (it is not allowed to have more than one + // attribute with the same key). + repeated opentelemetry.proto.common.v1.KeyValue attributes = 6; + uint32 dropped_attributes_count = 7; + + // Flags, a bit field. 8 least significant bits are the trace flags as + // defined in W3C Trace Context specification. 24 most significant bits are reserved + // and must be set to 0. Readers must not assume that 24 most significant bits + // will be zero and must correctly mask the bits when reading 8-bit trace flag (use + // flags & LOG_RECORD_FLAGS_TRACE_FLAGS_MASK). [Optional]. + fixed32 flags = 8; + + // A unique identifier for a trace. All logs from the same trace share + // the same `trace_id`. The ID is a 16-byte array. An ID with all zeroes OR + // of length other than 16 bytes is considered invalid (empty string in OTLP/JSON + // is zero-length and thus is also invalid). + // + // This field is optional. + // + // The receivers SHOULD assume that the log record is not associated with a + // trace if any of the following is true: + // - the field is not present, + // - the field contains an invalid value. + bytes trace_id = 9; + + // A unique identifier for a span within a trace, assigned when the span + // is created. The ID is an 8-byte array. An ID with all zeroes OR of length + // other than 8 bytes is considered invalid (empty string in OTLP/JSON + // is zero-length and thus is also invalid). + // + // This field is optional. If the sender specifies a valid span_id then it SHOULD also + // specify a valid trace_id. + // + // The receivers SHOULD assume that the log record is not associated with a + // span if any of the following is true: + // - the field is not present, + // - the field contains an invalid value. + bytes span_id = 10; + + // A unique identifier of event category/type. + // All events with the same event_name are expected to conform to the same + // schema for both their attributes and their body. + // + // Recommended to be fully qualified and short (no longer than 256 characters). + // + // Presence of event_name on the log record identifies this record + // as an event. + // + // [Optional]. + string event_name = 12; +} +// clang-format on +#endif + +namespace zen::otel { + +// Possible values for LogRecord.SeverityNumber. +enum SeverityNumber +{ + // UNSPECIFIED is the default SeverityNumber, it MUST NOT be used. + SEVERITY_NUMBER_UNSPECIFIED = 0, + SEVERITY_NUMBER_TRACE = 1, + SEVERITY_NUMBER_TRACE2 = 2, + SEVERITY_NUMBER_TRACE3 = 3, + SEVERITY_NUMBER_TRACE4 = 4, + SEVERITY_NUMBER_DEBUG = 5, + SEVERITY_NUMBER_DEBUG2 = 6, + SEVERITY_NUMBER_DEBUG3 = 7, + SEVERITY_NUMBER_DEBUG4 = 8, + SEVERITY_NUMBER_INFO = 9, + SEVERITY_NUMBER_INFO2 = 10, + SEVERITY_NUMBER_INFO3 = 11, + SEVERITY_NUMBER_INFO4 = 12, + SEVERITY_NUMBER_WARN = 13, + SEVERITY_NUMBER_WARN2 = 14, + SEVERITY_NUMBER_WARN3 = 15, + SEVERITY_NUMBER_WARN4 = 16, + SEVERITY_NUMBER_ERROR = 17, + SEVERITY_NUMBER_ERROR2 = 18, + SEVERITY_NUMBER_ERROR3 = 19, + SEVERITY_NUMBER_ERROR4 = 20, + SEVERITY_NUMBER_FATAL = 21, + SEVERITY_NUMBER_FATAL2 = 22, + SEVERITY_NUMBER_FATAL3 = 23, + SEVERITY_NUMBER_FATAL4 = 24 +}; + +enum class LogRecord : protozero::pbf_tag_type +{ + required_fixed64_time_unix_nano = 1, + optional_SeverityNumber_severity_number = 2, + optional_string_severity_text = 3, + optional_anyvalue_body = 5, + optional_repeated_kv_attributes = 6, + optional_uint32_dropped_attributes_count = 7, + optional_fixed32_flags = 8, + optional_bytes_trace_id = 9, + optional_bytes_span_id = 10, + optional_fixed64_observed_time_unix_nano = 11, + optional_event_name = 12, +}; + +enum class ScopeLogs : protozero::pbf_tag_type +{ + required_InstrumentationScope_scope = 1, + required_repeated_LogRecord_log_records = 2, + optional_string_schema_url = 3 +}; + +enum class ResourceLogs : protozero::pbf_tag_type +{ + optional_Resource_resource = 1, + required_repeated_ScopeLogs_scope_logs = 2, + optional_string_schema_url = 3 +}; + +enum class LogsData : protozero::pbf_tag_type +{ + required_repeated_ResourceLogs_resource_logs = 1 +}; + +} // namespace zen::otel |