Finish two easy impls

Signed-off-by: Caleb Schoepp <[email protected]>

Author: calebschoepp

crates/factor-observe/src/host.rs

@@ -9,7 +9,6 @@ use opentelemetry::trace::Tracer;
 use opentelemetry::Context;
 use spin_core::async_trait;
 use spin_core::wasmtime::component::Resource;
-use spin_world::wasi::clocks0_2_0::wall_clock;
 use spin_world::wasi::observe::traces::Datetime;
 use spin_world::wasi::observe::traces::{self, KeyValue, Span as WitSpan};
 use tracing_opentelemetry::OpenTelemetrySpanExt;
@@ -75,8 +74,13 @@ impl traces::HostSpan for InstanceState {
         todo!()
     }
 
-    async fn is_recording(&mut self, _resource: Resource<WitSpan>) -> Result<bool> {
-        todo!()
+    async fn is_recording(&mut self, resource: Resource<WitSpan>) -> Result<bool> {
+        if let Some(guest_span) = self.state.read().unwrap().guest_spans.get(resource.rep()) {
+            Ok(guest_span.inner.is_recording())
+        } else {
+            tracing::debug!("can't find guest span to read");
+            Err(anyhow::anyhow!("can't find guest span to read"))
+        }
     }
 
     async fn set_attributes(
@@ -130,7 +134,7 @@ impl traces::HostSpan for InstanceState {
 
             guest_span
                 .inner
-                .add_event_with_timestamp(name.into(), timestamp, attributes)
+                .add_event_with_timestamp(name.into(), timestamp, attributes);
         } else {
             tracing::debug!("can't find guest span to add events too")
         }
@@ -149,8 +153,19 @@ impl traces::HostSpan for InstanceState {
         todo!()
     }
 
-    async fn update_name(&mut self, _resource: Resource<WitSpan>, _name: String) -> Result<()> {
-        todo!()
+    async fn update_name(&mut self, resource: Resource<WitSpan>, name: String) -> Result<()> {
+        if let Some(guest_span) = self
+            .state
+            .write()
+            .unwrap()
+            .guest_spans
+            .get_mut(resource.rep())
+        {
+            guest_span.inner.update_name(name.into());
+        } else {
+            tracing::debug!("can't find guest span to set name on")
+        }
+        Ok(())
     }
 
     async fn end(