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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
#![allow(non_upper_case_globals)]
use core::fmt;
use core::mem::size_of;
/// *Advanced:* Indicates routing and decoding for an event.
///
/// This should almost always be set to [Channel::TraceLogging] (11) for TraceLogging
/// events.
///
/// This should almost always be set to [Channel::TraceClassic] (0) for non-TraceLogging
/// events.
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Channel(u8);
impl Channel {
/// Returns a channel with the specified value.
#[inline(always)]
pub const fn from_int(value: u8) -> Channel {
return Channel(value);
}
/// Returns the integer value of this channel.
#[inline(always)]
pub const fn as_int(self) -> u8 {
return self.0;
}
/// Channel for non-TraceLogging events.
pub const TraceClassic: Channel = Channel(0);
/// Channel for TraceLogging events.
///
/// TraceLogging events with channel set to a value other than
/// [TraceLogging](Channel::TraceLogging) (11) might not decode correctly if they are
/// collected on a system running Windows 8.1 or before.
pub const TraceLogging: Channel = Channel(11);
/// Channel for events from machine-generated manifests.
pub const ProviderMetadata: Channel = Channel(12);
}
impl fmt::Display for Channel {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
return self.0.fmt(f);
}
}
impl From<u8> for Channel {
fn from(val: u8) -> Self {
return Self(val);
}
}
impl From<Channel> for u8 {
fn from(val: Channel) -> Self {
return val.0;
}
}
/// Indicates the severity of an event. Use Verbose if unsure.
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Level(pub(crate) u8);
impl Level {
/// Returns a level with the specified value.
#[inline(always)]
pub const fn from_int(value: u8) -> Level {
return Level(value);
}
/// Returns the integer value of this level.
#[inline(always)]
pub const fn as_int(self) -> u8 {
return self.0;
}
/// Event ignores level-based filtering. This level should almost never be used.
pub const LogAlways: Level = Level(0);
/// Critical error event.
pub const Critical: Level = Level(1);
/// Error event.
pub const Error: Level = Level(2);
/// Warning event.
pub const Warning: Level = Level(3);
/// Informational event.
pub const Informational: Level = Level(4);
/// Verbose event.
pub const Verbose: Level = Level(5);
}
impl fmt::Display for Level {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
return self.0.fmt(f);
}
}
impl From<u8> for Level {
fn from(val: u8) -> Self {
return Self(val);
}
}
impl From<Level> for u8 {
fn from(val: Level) -> Self {
return val.0;
}
}
/// Indicates special semantics to be used by the event decoder for grouping and
/// organizing events, e.g. for activities.
///
/// For example, the [Opcode::Start] opcode indicates the beginning of an activity and
/// the [Opcode::Stop] indicates the end of an activity. Most events use [Opcode::Info]
/// (0).
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Opcode(u8);
impl Opcode {
/// Returns an opcode with the specified value.
#[inline(always)]
pub const fn from_int(value: u8) -> Opcode {
return Opcode(value);
}
/// Returns the integer value of this opcode.
#[inline(always)]
pub const fn as_int(self) -> u8 {
return self.0;
}
/// Normal event. The event may set activity_id if it is part of an activity.
pub const Info: Opcode = Opcode(0);
/// Event indicates the beginning of an activity. The event should set related_id to
/// the id of the parent activity and should set activity_id to the id of the
/// newly-started activity. All subsequent events that use the new activity_id will
/// be considered as part of this activity, up to the corresponding
/// [Stop](Opcode::Stop) event.
pub const Start: Opcode = Opcode(1);
/// Event indicates the end of an activity. The event should set activity_id
/// to the id of the activity that is ending and should use the same level
/// and keyword as were used for the corresponding [Start](Opcode::Start) event.
pub const Stop: Opcode = Opcode(2);
/// Data Collection Start event
pub const DC_Start: Opcode = Opcode(3);
/// Data Collection Stop event
pub const DC_Stop: Opcode = Opcode(4);
/// Extension event
pub const Extension: Opcode = Opcode(5);
/// Reply event
pub const Reply: Opcode = Opcode(6);
/// Resume event
pub const Resume: Opcode = Opcode(7);
/// Suspend event
pub const Suspend: Opcode = Opcode(8);
/// Message Send event
pub const Send: Opcode = Opcode(9);
/// Message Receive event
pub const Receive: Opcode = Opcode(240);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode241: Opcode = Opcode(241);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode242: Opcode = Opcode(242);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode243: Opcode = Opcode(243);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode244: Opcode = Opcode(244);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode245: Opcode = Opcode(245);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode246: Opcode = Opcode(246);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode247: Opcode = Opcode(247);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode248: Opcode = Opcode(248);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode249: Opcode = Opcode(249);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode250: Opcode = Opcode(250);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode251: Opcode = Opcode(251);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode252: Opcode = Opcode(252);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode253: Opcode = Opcode(253);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode254: Opcode = Opcode(254);
/// Reserved for future definition by Microsoft
pub const ReservedOpcode255: Opcode = Opcode(255);
}
impl fmt::Display for Opcode {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
return self.0.fmt(f);
}
}
impl From<u8> for Opcode {
fn from(val: u8) -> Self {
return Self(val);
}
}
impl From<Opcode> for u8 {
fn from(val: Opcode) -> Self {
return val.0;
}
}
/// *Advanced:* Used to indicate the field's type for raw metadata operations.
///
/// An InType indicates the binary encoding of the field, i.e. how to determine the
/// field's size. For example, [InType::I32] indicates the field is always 4 bytes,
/// while [InType::Str8] indicates the field begins with a U16 byte-count to specify the
/// field's size. The InType also provides a default format to be used if a field's
/// [OutType] is [OutType::Default], e.g. [InType::I32] defaults to [OutType::Signed],
/// and [InType::Hex32] defaults to [OutType::Hex].
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct InType(u8);
impl InType {
/// Returns an intype with the specified value.
/// Requires: `value <= 127`.
pub const fn from_int(value: u8) -> InType {
assert!(value <= 127, "InType requires value <= 127");
return InType(value);
}
/// Returns the numeric value corresponding to this intype.
#[inline(always)]
pub const fn as_int(self) -> u8 {
return self.0;
}
/// TlgInNULL = Invalid type.
pub const Invalid: InType = InType(0);
/// TlgInUNICODESTRING = NUL-terminated UTF-16LE string.
///
/// Default format: [OutType::String]
///
/// Other usable formats: [OutType::Xml], [OutType::Json].
pub const CStr16: InType = InType(1);
/// TlgInANSISTRING = NUL-terminated 8-bit string, assumed to be encoded as CP1252.
///
/// Default format: [OutType::String]
///
/// Other usable formats: [OutType::Xml], [OutType::Json], [OutType::Utf8].
pub const CStr8: InType = InType(2);
/// TlgInINT8 = 8-bit signed integer.
///
/// Default format: [OutType::Signed]
///
/// Other usable formats: [OutType::String] (formats as CP1252 char).
pub const I8: InType = InType(3);
/// TlgInUINT8 = 8-bit unsigned integer.
///
/// Default format: [OutType::Unsigned]
///
/// Other usable formats: [OutType::Hex], [OutType::String] (formats as CP1252 char),
/// [OutType::Boolean].
pub const U8: InType = InType(4);
/// TlgInINT16 = 16-bit signed integer.
///
/// Default format: [OutType::Signed]
pub const I16: InType = InType(5);
/// TlgInUINT16 = 16-bit unsigned integer.
///
/// Default format: [OutType::Unsigned]
///
/// Other usable formats: [OutType::Hex], [OutType::String] (formats as UCS-2 char),
/// [OutType::Port] (formats as big-endian `u16`).
pub const U16: InType = InType(6);
/// TlgInINT32 = 32-bit signed integer.
///
/// Default format: [OutType::Signed]
///
/// Other usable formats: [OutType::HResult].
pub const I32: InType = InType(7);
/// TlgInUINT32 = 32-bit unsigned integer.
///
/// Default format: [OutType::Unsigned]
///
/// Other usable formats: [OutType::Pid], [OutType::Tid], [OutType::IPv4],
/// [OutType::Win32Error], [OutType::NtStatus], [OutType::CodePointer].
pub const U32: InType = InType(8);
/// TlgInINT64 = 64-bit signed integer.
///
/// Default format: [OutType::Signed]
pub const I64: InType = InType(9);
/// TlgInUINT64 = 64-bit signed integer.
///
/// Default format: [OutType::Unsigned]
///
/// Other usable formats: [OutType::CodePointer].
pub const U64: InType = InType(10);
/// TlgInFLOAT = 32-bit float.
pub const F32: InType = InType(11);
/// TlgInDOUBLE = 64-bit float.
pub const F64: InType = InType(12);
/// TlgInBOOL32 = 32-bit Boolean.
///
/// Default format: [OutType::Boolean]
pub const Bool32: InType = InType(13);
/// TlgInBINARY = UINT16 byte-count followed by binary data.
///
/// Default format: [OutType::Hex]
///
/// Other usable formats: [OutType::IPv6], [OutType::SocketAddress],
/// [OutType::Pkcs7WithTypeInfo].
///
/// Note: Array of Binary is not supported. For arrays, use [InType::BinaryC].
pub const Binary: InType = InType(14);
/// TlgInGUID = 128-bit GUID in Windows (little-endian) byte order.
pub const Guid: InType = InType(15);
/// _TlgInPOINTER_unsupported = Not supported. Use [InType::HexSize] instead.
pub const _HexSize_PlatformSpecific: InType = InType(16);
/// TlgInFILETIME = 64-bit timestamp in Windows
/// [FILETIME](https://docs.microsoft.com/windows/win32/api/minwinbase/ns-minwinbase-filetime)
/// format.
///
/// Default format: [OutType::DateTime]
///
/// Other usable formats: [OutType::DateTimeCultureInsensitive],
/// [OutType::DateTimeUtc].
pub const FileTime: InType = InType(17);
/// TlgInSYSTEMTIME = 128-bit date/time in Windows
/// [SYSTEMTIME](https://docs.microsoft.com/windows/win32/api/minwinbase/ns-minwinbase-systemtime)
/// format.
///
/// Default format: [OutType::DateTime]
///
/// Other usable formats: [OutType::DateTimeCultureInsensitive],
/// [OutType::DateTimeUtc].
pub const SystemTime: InType = InType(18);
/// TlgInSID = Security ID in Windows
/// [SID](https://docs.microsoft.com/windows/win32/api/winnt/ns-winnt-sid)
/// format.
///
/// Note: Expected size of value is
/// [`GetSidLength(sid_bytes)`](https://docs.microsoft.com/windows/win32/api/securitybaseapi/nf-securitybaseapi-getlengthsid)
/// = `sid_bytes[1] * 4 + 8`.
pub const Sid: InType = InType(19);
/// TlgInHEXINT32 = 32-bit integer formatted as hex.
///
/// Default format: [OutType::Hex]
///
/// Other usable formats: [OutType::Win32Error], [OutType::NtStatus],
/// [OutType::CodePointer].
pub const Hex32: InType = InType(20);
/// TlgInHEXINT64 = 64-bit integer formatted as hex.
///
/// Default format: [OutType::Hex]
///
/// Other usable formats: [OutType::CodePointer].
pub const Hex64: InType = InType(21);
/// TlgInCOUNTEDSTRING = 16-bit byte count followed by UTF-16LE string.
///
/// Default format: [OutType::String]
///
/// Other usable formats: [OutType::Xml], [OutType::Json].
pub const Str16: InType = InType(22);
/// TlgInCOUNTEDANSISTRING = 16-bit byte count followed by 8-bit string, assumed
/// to be encoded as CP1252.
///
/// Default format: [OutType::String]
///
/// Other usable formats: [OutType::Xml], [OutType::Json], [OutType::Utf8].
pub const Str8: InType = InType(23);
/// _TlgInSTRUCT = The struct field contains no data, but the following N fields
/// will be considered as logically part of the struct field, where
/// N is a value from 1 to 127 encoded into the OutType slot.
pub const Struct: InType = InType(24);
/// TlgInCOUNTEDBINARY = UINT16 byte-count followed by binary data.
///
/// Default format: [OutType::Hex]
///
/// Other usable formats: [OutType::IPv6], [OutType::SocketAddress],
/// [OutType::Pkcs7WithTypeInfo].
///
/// This is the same as [InType::Binary] except:
/// - New type code. Decoders might not support it yet.
/// - Decodes without the synthesized "FieldName.Length" fields that are common
/// with Binary.
/// - Arrays are supported.
pub const BinaryC: InType = InType(25);
/// TlgInINTPTR = an alias for either [InType::I64] or [InType::I32], depending on
/// the running process's pointer size.
///
/// Default format: [OutType::Signed]
pub const ISize: InType = if size_of::<usize>() == 8 {
InType::I64
} else {
InType::I32
};
/// TlgInUINTPTR = an alias for either [InType::U64] or [InType::U32], depending on
/// the running process's pointer size.
///
/// Default format: [OutType::Unsigned]
///
/// Other usable formats: [OutType::CodePointer].
pub const USize: InType = if size_of::<usize>() == 8 {
InType::U64
} else {
InType::U32
};
/// TlgInPOINTER = an alias for either [InType::Hex64] or [InType::Hex32], depending
/// on the running process's pointer size.
///
/// Default format: [OutType::Hex]
///
/// Other usable formats: [OutType::CodePointer].
pub const HexSize: InType = if size_of::<usize>() == 8 {
InType::Hex64
} else {
InType::Hex32
};
/// Raw encoding flag: _TlgInCcount indicates that field metadata contains a
/// const-array-count slot.
pub const ConstantCountFlag: u8 = 0x20;
/// Raw encoding flag: TlgInVcount indicates that field data contains a
/// variable-array-count slot.
pub const VariableCountFlag: u8 = 0x40;
/// Raw encoding flag: _TlgInCustom indicates that the field uses a custom
/// serializer.
pub const CustomFlag: u8 = 0x60;
/// Raw encoding flag: _TlgInTypeMask is a mask for the intype portion of the encoded
/// byte.
pub const TypeMask: u8 = 0x1F;
/// Raw encoding flag: _TlgInFlagMask is a mask for the flags portion of the encoded
/// byte.
pub const FlagMask: u8 = 0x60;
}
impl fmt::Display for InType {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
return self.0.fmt(f);
}
}
impl From<u8> for InType {
fn from(val: u8) -> Self {
return Self(val);
}
}
impl From<InType> for u8 {
fn from(val: InType) -> Self {
return val.0;
}
}
/// Data formatting hint that may be used or ignored by decoders.
///
/// Each field of an event has an [InType] (specifies the field's binary
/// encoding) and an [OutType] (formatting hint for the decoder).
///
/// If a field has an OutType set and the decoder supports the field's
/// combination of InType + OutType then the decoder will use the OutType as a
/// formatting hint when decoding the field.
///
/// For example, a field with [InType::U8] and [OutType::Default] is formatted as
/// decimal. If the field sets [OutType::Hex] and the decoder supports U8+Hex then the
/// field would be formatted as hexadecimal. If the field sets [OutType::String] and the
/// decoder supports U8+String then it would be formatted as a CP1252 CHAR.
///
/// If the OutType is [OutType::Default] or is not supported by the decoder then the
/// field receives a default formatting based on the field's InType.
///
/// Note: Setting the OutType to a value other than Default will add 1 byte per
/// field per event in the resulting ETL file. Add a non-Default OutType only if
/// [OutType::Default] does not produce the desired format.
#[repr(C)]
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct OutType(u8);
impl OutType {
/// Returns an OutType with the specified value.
/// Requires: `value <= 127`.
pub const fn from_int(value: u8) -> OutType {
assert!(value <= 127, "OutType requires value <= 127");
return OutType(value);
}
/// Returns the numeric value corresponding to this OutType.
#[inline(always)]
pub const fn as_int(self) -> u8 {
return self.0;
}
/// TlgOutNULL = default formatting will be applied based on the field's InType.
pub const Default: OutType = OutType(0);
/// TlgOutNOPRINT = field should be hidden. (Most decoders show it anyway.)
pub const NoPrint: OutType = OutType(1);
/// TlgOutSTRING = field should be formatted as a string. Use with [InType::I8],
/// [InType::U8], or [InType::U16] to log a char.
pub const String: OutType = OutType(2);
/// TlgOutBOOLEAN = field should be formatted as a Boolean. Use with [InType::U8].
pub const Boolean: OutType = OutType(3);
/// TlgOutHEX = field should be formatted as hexadecimal. Use with [InType::U8],
/// [InType::U16].
pub const Hex: OutType = OutType(4);
/// TlgOutPID = field should be formatted as a process id. Use with [InType::U32].
pub const Pid: OutType = OutType(5);
/// TlgOutTID = field should be formatted as a thread id. Use with [InType::U32].
pub const Tid: OutType = OutType(6);
/// TlgOutPORT = field should be formatted as a big-endian IP port. Use with
/// [InType::U16].
pub const Port: OutType = OutType(7);
/// TlgOutIPV4 = field should be formatted as an IPv4 address. Use with
/// [InType::U32].
pub const IPv4: OutType = OutType(8);
/// TlgOutIPV6 = field should be formatted as an IPv6 address. Use with
/// [InType::Binary] or [InType::BinaryC].
pub const IPv6: OutType = OutType(9);
/// TlgOutSOCKETADDRESS = field should be formatted as a sockaddr. Use with
/// [InType::Binary] or [InType::BinaryC].
pub const SocketAddress: OutType = OutType(10);
/// TlgOutXML = field should be formatted as XML. Use with [InType::Str16],
/// [InType::Str8], [InType::CStr16], and [InType::CStr8] types. Implies UTF-8 when
/// used with [InType::Str8] or [InType::CStr8].
pub const Xml: OutType = OutType(11);
/// TlgOutJSON = field should be formatted as JSON. Use with [InType::Str16],
/// [InType::Str8], [InType::CStr16], and [InType::CStr8] types. Implies UTF-8 when
/// used with [InType::Str8] or [InType::CStr8].
pub const Json: OutType = OutType(12);
/// TlgOutWIN32ERROR = field should be formatted as a Win32 result code. Use with
/// [InType::U32].
pub const Win32Error: OutType = OutType(13);
/// TlgOutNTSTATUS = field should be formatted as a Win32 NTSTATUS. Use with
/// [InType::U32].
pub const NtStatus: OutType = OutType(14);
/// TlgOutHRESULT = field should be formatted as a Win32 HRESULT. Use with
/// [InType::I32].
pub const HResult: OutType = OutType(15);
/// TlgOutFILETIME = not generally used. Appropriate InTypes already imply DateTime.
pub const DateTime: OutType = OutType(16);
/// TlgOutSIGNED = not generally used. Appropriate InTypes already imply Signed.
pub const Signed: OutType = OutType(17);
/// TlgOutUNSIGNED = not generally used. Appropriate InTypes already imply Unsigned.
pub const Unsigned: OutType = OutType(18);
/// TlgOutDATETIME_CULTURE_INSENSITIVE = Invariant-culture date-time. Use with
/// [InType::FileTime] or [InType::SystemTime].
pub const DateTimeCultureInsensitive: OutType = OutType(33);
/// TlgOutUTF8 = field should be decoded as UTF-8. Use with [InType::Str8] or
/// [InType::CStr8].
pub const Utf8: OutType = OutType(35);
/// TlgOutPKCS7_WITH_TYPE_INFO = field should be decoded as a PKCS7 packet followed
/// by TLG type info. Use with [InType::Binary] or [InType::BinaryC].
pub const Pkcs7WithTypeInfo: OutType = OutType(36);
/// TlgOutCODE_POINTER = field should be formatted as a code pointer. Use with
/// [InType::U32], [InType::U64], [InType::USize], [InType::Hex32], [InType::Hex64],
/// [InType::HexSize].
pub const CodePointer: OutType = OutType(37);
/// TlgOutDATETIME_UTC = field should be decoded assuming UTC timezone. Use with
/// [InType::FileTime] or [InType::SystemTime].
pub const DateTimeUtc: OutType = OutType(38);
/// _TlgOutTypeMask = raw encoding flag: mask for the outtype portion of the encoded
/// byte.
pub const TypeMask: u8 = 0x7F;
}
impl fmt::Display for OutType {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
return self.0.fmt(f);
}
}
impl From<u8> for OutType {
fn from(val: u8) -> Self {
return Self(val);
}
}
impl From<OutType> for u8 {
fn from(val: OutType) -> Self {
return val.0;
}
}