Struct ferrisetw::schema_locator::SchemaLocator

pub struct SchemaLocator { /* private fields */ }

Represents a cache of Schemas already located

This cache is implemented as a HashMap where the key is a combination of the following elements of an Event Record

• EventHeader.ProviderId
• EventHeader.EventDescriptor.Id
• EventHeader.EventDescriptor.Opcode
• EventHeader.EventDescriptor.Version
• EventHeader.EventDescriptor.Level

Credits: KrabsETW::schema_locator. See also the code of SchemaKey for more info

Implementations

impl SchemaLocator

pub fn event_schema( &self, event: &EventRecord ) -> Result<Arc<Schema>, SchemaError>

Retrieve the Schema of an ETW Event

Arguments

• event - The EventRecord that’s passed to the callback

Example

let my_callback = |record: &EventRecord, schema_locator: &SchemaLocator| {
    let schema = schema_locator.event_schema(record).unwrap();
};

Trait Implementations

impl Debug for SchemaLocator

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

Formats the value using the given formatter.

impl Default for SchemaLocator

fn default() -> SchemaLocator

Returns the “default value” for a type.