pub struct BrokerHandle<'a> { /* private fields */ }Expand description
A handle to a specific broker within a Client’s pool.
Client::broker returns this handle.
Implementations§
Source§impl BrokerHandle<'_>
impl BrokerHandle<'_>
Sourcepub async fn send<R: ProtocolRequest>(
&self,
req: R,
) -> Result<R::Response, ClientError>
pub async fn send<R: ProtocolRequest>( &self, req: R, ) -> Result<R::Response, ClientError>
Send a request to this specific broker.
When the pool has no dialable address for broker_id, this method
falls back to the bootstrap connection. That happens when the broker
advertises port 0, which occurs on a single-broker cluster whose
OS-assigned port never got rewritten in metadata, so
BrokerPool::refresh_brokers deliberately skipped it. On such a
cluster the bootstrap broker is this broker, for example the group
coordinator a consumer routes to. The request therefore still reaches
its intended target instead of failing with Disconnected.
This fallback does not mask a known broker whose connect fails. It only triggers when the id was never in the registry.
§Errors
Returns an error when configuration is invalid, protocol encoding fails, the broker rejects the request, or transport I/O fails.
Sourcepub async fn send_no_response<R: ProtocolRequest>(
&self,
req: R,
) -> Result<(), ClientError>
pub async fn send_no_response<R: ProtocolRequest>( &self, req: R, ) -> Result<(), ClientError>
Send a request to this specific broker without waiting for a response.
§Errors
Returns an error if routing, connection setup, encoding, or writer enqueue fails.
Auto Trait Implementations§
impl<'a> !RefUnwindSafe for BrokerHandle<'a>
impl<'a> !UnwindSafe for BrokerHandle<'a>
impl<'a> Freeze for BrokerHandle<'a>
impl<'a> Send for BrokerHandle<'a>
impl<'a> Sync for BrokerHandle<'a>
impl<'a> Unpin for BrokerHandle<'a>
impl<'a> UnsafeUnpin for BrokerHandle<'a>
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