d-engine-proto 0.2.4

// This file is @generated by prost-build.
/// Write operation-specific command
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct WriteCommand {
    #[prost(oneof = "write_command::Operation", tags = "1, 2, 3")]
    pub operation: ::core::option::Option<write_command::Operation>,
}
/// Nested message and enum types in `WriteCommand`.
pub mod write_command {
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Insert {
        #[prost(bytes = "bytes", tag = "1")]
        pub key: ::prost::bytes::Bytes,
        #[prost(bytes = "bytes", tag = "2")]
        pub value: ::prost::bytes::Bytes,
        /// Time-to-live in seconds. 0 means no expiration (default).
        /// Non-zero values specify expiration time in seconds from insertion.
        #[prost(uint64, tag = "3")]
        pub ttl_secs: u64,
    }
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Delete {
        #[prost(bytes = "bytes", tag = "1")]
        pub key: ::prost::bytes::Bytes,
    }
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct CompareAndSwap {
        #[prost(bytes = "bytes", tag = "1")]
        pub key: ::prost::bytes::Bytes,
        /// None means key must not exist
        #[prost(bytes = "bytes", optional, tag = "2")]
        pub expected_value: ::core::option::Option<::prost::bytes::Bytes>,
        /// New value to set if comparison succeeds
        #[prost(bytes = "bytes", tag = "3")]
        pub new_value: ::prost::bytes::Bytes,
    }
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Operation {
        #[prost(message, tag = "1")]
        Insert(Insert),
        #[prost(message, tag = "2")]
        Delete(Delete),
        #[prost(message, tag = "3")]
        CompareAndSwap(CompareAndSwap),
    }
}
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ClientWriteRequest {
    #[prost(uint32, tag = "1")]
    pub client_id: u32,
    /// Changed from 'repeated commands' to singular 'command' (1 request = 1 command)
    #[prost(message, optional, tag = "2")]
    pub command: ::core::option::Option<WriteCommand>,
}
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ClientReadRequest {
    #[prost(uint32, tag = "1")]
    pub client_id: u32,
    /// Key list to be read
    #[prost(bytes = "bytes", repeated, tag = "2")]
    pub keys: ::prost::alloc::vec::Vec<::prost::bytes::Bytes>,
    /// Optional consistency policy for this request
    ///
    /// When present: Client explicitly specifies consistency requirements
    /// When absent: Use cluster's configured default policy
    #[prost(enumeration = "ReadConsistencyPolicy", optional, tag = "3")]
    pub consistency_policy: ::core::option::Option<i32>,
}
/// Write operation result
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct WriteResult {
    /// Future: uint64 version = 2;
    /// Future: bytes prev_value = 3;
    #[prost(bool, tag = "1")]
    pub succeeded: bool,
}
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ClientResponse {
    #[prost(enumeration = "super::error::ErrorCode", tag = "1")]
    pub error: i32,
    #[prost(message, optional, tag = "4")]
    pub metadata: ::core::option::Option<super::error::ErrorMetadata>,
    #[prost(oneof = "client_response::SuccessResult", tags = "2, 3")]
    pub success_result: ::core::option::Option<client_response::SuccessResult>,
}
/// Nested message and enum types in `ClientResponse`.
pub mod client_response {
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum SuccessResult {
        #[prost(message, tag = "2")]
        WriteResult(super::WriteResult),
        #[prost(message, tag = "3")]
        ReadData(super::ReadResults),
    }
}
/// Renamed from ClientGetResult
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ClientResult {
    #[prost(bytes = "bytes", tag = "1")]
    pub key: ::prost::bytes::Bytes,
    #[prost(bytes = "bytes", tag = "2")]
    pub value: ::prost::bytes::Bytes,
}
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ReadResults {
    #[prost(message, repeated, tag = "1")]
    pub results: ::prost::alloc::vec::Vec<ClientResult>,
}
/// A single key-value pair returned by a prefix scan.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct KvEntry {
    #[prost(bytes = "bytes", tag = "1")]
    pub key: ::prost::bytes::Bytes,
    #[prost(bytes = "bytes", tag = "2")]
    pub value: ::prost::bytes::Bytes,
}
/// Request to scan all keys under a namespace prefix.
/// Scan is served from the leader's state machine at last_applied.
/// consistency_policy is not supported; tracked in #381.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ScanRequest {
    #[prost(uint32, tag = "1")]
    pub client_id: u32,
    /// Prefix to scan. Must start with '/'. e.g. b"/services/".
    #[prost(bytes = "bytes", tag = "2")]
    pub prefix: ::prost::bytes::Bytes,
}
/// Response from a prefix scan.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ScanResponse {
    /// All (key, value) pairs whose key starts with the requested prefix.
    #[prost(message, repeated, tag = "1")]
    pub entries: ::prost::alloc::vec::Vec<KvEntry>,
    /// Raft applied index at the moment of the scan.
    /// Use as the watch-event filter anchor: skip events where event.revision <= revision.
    #[prost(uint64, tag = "2")]
    pub revision: u64,
}
/// Request to start a server-side membership watch stream.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct WatchMembershipRequest {
    #[prost(uint32, tag = "1")]
    pub client_id: u32,
}
/// Point-in-time snapshot of committed cluster membership.
///
/// Delivered on every committed ConfChange entry.
/// `committed_index` is strictly monotonically increasing and serves as an
/// idempotency key for schedulers.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct MembershipSnapshot {
    /// Current voting members (Follower / Leader role).
    #[prost(uint32, repeated, tag = "1")]
    pub members: ::prost::alloc::vec::Vec<u32>,
    /// Current non-voting learners.
    #[prost(uint32, repeated, tag = "2")]
    pub learners: ::prost::alloc::vec::Vec<u32>,
    /// Raft log index of the ConfChange entry that produced this snapshot.
    #[prost(uint64, tag = "3")]
    pub committed_index: u64,
}
/// Request to watch for changes on a key or key prefix.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct WatchRequest {
    #[prost(uint32, tag = "1")]
    pub client_id: u32,
    /// Key to watch.
    /// prefix=false: exact key match.
    /// prefix=true:  prefix match — key must start with "/" and end with "/".
    ///                e.g. "/config/" watches all keys under /config/.
    #[prost(bytes = "bytes", tag = "2")]
    pub key: ::prost::bytes::Bytes,
    /// When true, key is treated as a path prefix (must end with "/").
    /// Default false preserves backwards-compatible exact-match behaviour.
    #[prost(bool, tag = "3")]
    pub prefix: bool,
    /// When true, each WatchResponse includes the value that existed before
    /// the mutation (prev_value). Default false; server skips the extra read
    /// when no watcher requests it.
    #[prost(bool, tag = "4")]
    pub prev_kv: bool,
}
/// Response containing a watch event notification
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct WatchResponse {
    /// The key that changed
    #[prost(bytes = "bytes", tag = "1")]
    pub key: ::prost::bytes::Bytes,
    /// The new value (empty for DELETE events)
    #[prost(bytes = "bytes", tag = "2")]
    pub value: ::prost::bytes::Bytes,
    /// Type of change that occurred
    #[prost(enumeration = "WatchEventType", tag = "3")]
    pub event_type: i32,
    /// Error information if watch failed
    #[prost(enumeration = "super::error::ErrorCode", tag = "4")]
    pub error: i32,
    /// Raft applied index at the time this event was produced.
    /// Monotonically increasing. Clients use this as an anchor after receiving
    /// CANCELED: re-read state, then re-register watching from revision+1.
    #[prost(uint64, tag = "5")]
    pub revision: u64,
    /// Value before this mutation. Empty when:
    ///    - key did not exist before the write
    ///    - event_type is PROGRESS or CANCELED
    ///    - watcher was registered with prev_kv = false
    #[prost(bytes = "bytes", tag = "6")]
    pub prev_value: ::prost::bytes::Bytes,
}
/// Read consistency policy for controlling read operation guarantees
///
/// Allows clients to choose between performance and consistency trade-offs
/// on a per-request basis when supported by the cluster configuration.
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum ReadConsistencyPolicy {
    /// Lease-based reads for better performance with weaker consistency
    ///
    /// Leader serves reads locally without contacting followers during lease period.
    /// Provides lower latency but slightly weaker consistency guarantees.
    LeaseRead = 0,
    /// Fully linearizable reads for strongest consistency
    ///
    /// Leader verifies its leadership with a quorum before serving the read,
    /// ensuring strict linearizability. Guarantees that all reads reflect
    /// the most recent committed value in the cluster.
    LinearizableRead = 1,
    /// Eventually consistent reads from any node
    ///
    /// Allows reading from any node (leader, follower, or candidate) without
    /// additional consistency checks. May return stale data but provides
    /// best read performance and availability. Suitable for scenarios where
    /// eventual consistency is acceptable.
    EventualConsistency = 2,
}
impl ReadConsistencyPolicy {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            Self::LeaseRead => "READ_CONSISTENCY_POLICY_LEASE_READ",
            Self::LinearizableRead => "READ_CONSISTENCY_POLICY_LINEARIZABLE_READ",
            Self::EventualConsistency => "READ_CONSISTENCY_POLICY_EVENTUAL_CONSISTENCY",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "READ_CONSISTENCY_POLICY_LEASE_READ" => Some(Self::LeaseRead),
            "READ_CONSISTENCY_POLICY_LINEARIZABLE_READ" => Some(Self::LinearizableRead),
            "READ_CONSISTENCY_POLICY_EVENTUAL_CONSISTENCY" => {
                Some(Self::EventualConsistency)
            }
            _ => None,
        }
    }
}
/// Watch event type indicating the type of change that occurred
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum WatchEventType {
    /// A key was inserted or updated
    Put = 0,
    /// A key was explicitly deleted
    Delete = 1,
    /// Watcher forcibly canceled by the server (e.g. buffer overflow).
    /// Client should re-sync via Read API and re-register the watch.
    Canceled = 2,
    /// Periodic heartbeat with no data change.
    /// Carries current revision so clients can confirm the stream is alive.
    Progress = 3,
}
impl WatchEventType {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            Self::Put => "WATCH_EVENT_TYPE_PUT",
            Self::Delete => "WATCH_EVENT_TYPE_DELETE",
            Self::Canceled => "WATCH_EVENT_TYPE_CANCELED",
            Self::Progress => "WATCH_EVENT_TYPE_PROGRESS",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "WATCH_EVENT_TYPE_PUT" => Some(Self::Put),
            "WATCH_EVENT_TYPE_DELETE" => Some(Self::Delete),
            "WATCH_EVENT_TYPE_CANCELED" => Some(Self::Canceled),
            "WATCH_EVENT_TYPE_PROGRESS" => Some(Self::Progress),
            _ => None,
        }
    }
}
/// Generated client implementations.
pub mod raft_client_service_client {
    #![allow(
        unused_variables,
        dead_code,
        missing_docs,
        clippy::wildcard_imports,
        clippy::let_unit_value,
    )]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    #[derive(Debug, Clone)]
    pub struct RaftClientServiceClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl RaftClientServiceClient<tonic::transport::Channel> {
        /// Attempt to create a new client by connecting to a given endpoint.
        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
        where
            D: TryInto<tonic::transport::Endpoint>,
            D::Error: Into<StdError>,
        {
            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
            Ok(Self::new(conn))
        }
    }
    impl<T> RaftClientServiceClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::Body>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
            Self { inner }
        }
        pub fn with_origin(inner: T, origin: Uri) -> Self {
            let inner = tonic::client::Grpc::with_origin(inner, origin);
            Self { inner }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> RaftClientServiceClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::Body>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::Body>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::Body>,
            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
        {
            RaftClientServiceClient::new(InterceptedService::new(inner, interceptor))
        }
        /// Compress requests with the given encoding.
        ///
        /// This requires the server to support it otherwise it might respond with an
        /// error.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.send_compressed(encoding);
            self
        }
        /// Enable decompressing responses.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.accept_compressed(encoding);
            self
        }
        /// Limits the maximum size of a decoded message.
        ///
        /// Default: `4MB`
        #[must_use]
        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_decoding_message_size(limit);
            self
        }
        /// Limits the maximum size of an encoded message.
        ///
        /// Default: `usize::MAX`
        #[must_use]
        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_encoding_message_size(limit);
            self
        }
        pub async fn handle_client_write(
            &mut self,
            request: impl tonic::IntoRequest<super::ClientWriteRequest>,
        ) -> std::result::Result<tonic::Response<super::ClientResponse>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::unknown(
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/d_engine.client.RaftClientService/HandleClientWrite",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "d_engine.client.RaftClientService",
                        "HandleClientWrite",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        pub async fn handle_client_read(
            &mut self,
            request: impl tonic::IntoRequest<super::ClientReadRequest>,
        ) -> std::result::Result<tonic::Response<super::ClientResponse>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::unknown(
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/d_engine.client.RaftClientService/HandleClientRead",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "d_engine.client.RaftClientService",
                        "HandleClientRead",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        pub async fn handle_client_scan(
            &mut self,
            request: impl tonic::IntoRequest<super::ScanRequest>,
        ) -> std::result::Result<tonic::Response<super::ScanResponse>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::unknown(
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/d_engine.client.RaftClientService/HandleClientScan",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "d_engine.client.RaftClientService",
                        "HandleClientScan",
                    ),
                );
            self.inner.unary(req, path, codec).await
        }
        /// Watch for changes to a specific key.
        ///
        /// Returns a stream of WatchResponse events whenever the watched key changes.
        /// The stream remains open until the client cancels or disconnects.
        ///
        /// Performance characteristics:
        /// - Event notification latency: typically < 100μs
        /// - Minimal overhead on write path (< 0.01% with 100+ watchers)
        ///
        /// Error handling:
        /// - If the internal event buffer is full, events may be dropped
        /// - Clients should use Read API to re-sync if they detect gaps
        pub async fn watch(
            &mut self,
            request: impl tonic::IntoRequest<super::WatchRequest>,
        ) -> std::result::Result<
            tonic::Response<tonic::codec::Streaming<super::WatchResponse>>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::unknown(
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/d_engine.client.RaftClientService/Watch",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(GrpcMethod::new("d_engine.client.RaftClientService", "Watch"));
            self.inner.server_streaming(req, path, codec).await
        }
        /// Watch for committed cluster membership changes.
        ///
        /// Immediately pushes the current MembershipSnapshot on connect, then pushes
        /// a new snapshot on every committed ConfChange (AddNode, BatchPromote, BatchRemove).
        /// All nodes (leader, follower, learner) emit the event after the entry commits.
        ///
        /// Stream lifecycle:
        /// - Stays open until the client cancels or the server shuts down.
        /// - On server shutdown the stream closes with Status::UNAVAILABLE.
        ///   Clients should reconnect and re-subscribe.
        ///
        /// Idempotency:
        /// - Use `committed_index` as an idempotency key in the receiver.
        pub async fn watch_membership(
            &mut self,
            request: impl tonic::IntoRequest<super::WatchMembershipRequest>,
        ) -> std::result::Result<
            tonic::Response<tonic::codec::Streaming<super::MembershipSnapshot>>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::unknown(
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/d_engine.client.RaftClientService/WatchMembership",
            );
            let mut req = request.into_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "d_engine.client.RaftClientService",
                        "WatchMembership",
                    ),
                );
            self.inner.server_streaming(req, path, codec).await
        }
    }
}
/// Generated server implementations.
pub mod raft_client_service_server {
    #![allow(
        unused_variables,
        dead_code,
        missing_docs,
        clippy::wildcard_imports,
        clippy::let_unit_value,
    )]
    use tonic::codegen::*;
    /// Generated trait containing gRPC methods that should be implemented for use with RaftClientServiceServer.
    #[async_trait]
    pub trait RaftClientService: std::marker::Send + std::marker::Sync + 'static {
        async fn handle_client_write(
            &self,
            request: tonic::Request<super::ClientWriteRequest>,
        ) -> std::result::Result<tonic::Response<super::ClientResponse>, tonic::Status>;
        async fn handle_client_read(
            &self,
            request: tonic::Request<super::ClientReadRequest>,
        ) -> std::result::Result<tonic::Response<super::ClientResponse>, tonic::Status>;
        async fn handle_client_scan(
            &self,
            request: tonic::Request<super::ScanRequest>,
        ) -> std::result::Result<tonic::Response<super::ScanResponse>, tonic::Status>;
        /// Server streaming response type for the Watch method.
        type WatchStream: tonic::codegen::tokio_stream::Stream<
                Item = std::result::Result<super::WatchResponse, tonic::Status>,
            >
            + std::marker::Send
            + 'static;
        /// Watch for changes to a specific key.
        ///
        /// Returns a stream of WatchResponse events whenever the watched key changes.
        /// The stream remains open until the client cancels or disconnects.
        ///
        /// Performance characteristics:
        /// - Event notification latency: typically < 100μs
        /// - Minimal overhead on write path (< 0.01% with 100+ watchers)
        ///
        /// Error handling:
        /// - If the internal event buffer is full, events may be dropped
        /// - Clients should use Read API to re-sync if they detect gaps
        async fn watch(
            &self,
            request: tonic::Request<super::WatchRequest>,
        ) -> std::result::Result<tonic::Response<Self::WatchStream>, tonic::Status>;
        /// Server streaming response type for the WatchMembership method.
        type WatchMembershipStream: tonic::codegen::tokio_stream::Stream<
                Item = std::result::Result<super::MembershipSnapshot, tonic::Status>,
            >
            + std::marker::Send
            + 'static;
        /// Watch for committed cluster membership changes.
        ///
        /// Immediately pushes the current MembershipSnapshot on connect, then pushes
        /// a new snapshot on every committed ConfChange (AddNode, BatchPromote, BatchRemove).
        /// All nodes (leader, follower, learner) emit the event after the entry commits.
        ///
        /// Stream lifecycle:
        /// - Stays open until the client cancels or the server shuts down.
        /// - On server shutdown the stream closes with Status::UNAVAILABLE.
        ///   Clients should reconnect and re-subscribe.
        ///
        /// Idempotency:
        /// - Use `committed_index` as an idempotency key in the receiver.
        async fn watch_membership(
            &self,
            request: tonic::Request<super::WatchMembershipRequest>,
        ) -> std::result::Result<
            tonic::Response<Self::WatchMembershipStream>,
            tonic::Status,
        >;
    }
    #[derive(Debug)]
    pub struct RaftClientServiceServer<T> {
        inner: Arc<T>,
        accept_compression_encodings: EnabledCompressionEncodings,
        send_compression_encodings: EnabledCompressionEncodings,
        max_decoding_message_size: Option<usize>,
        max_encoding_message_size: Option<usize>,
    }
    impl<T> RaftClientServiceServer<T> {
        pub fn new(inner: T) -> Self {
            Self::from_arc(Arc::new(inner))
        }
        pub fn from_arc(inner: Arc<T>) -> Self {
            Self {
                inner,
                accept_compression_encodings: Default::default(),
                send_compression_encodings: Default::default(),
                max_decoding_message_size: None,
                max_encoding_message_size: None,
            }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> InterceptedService<Self, F>
        where
            F: tonic::service::Interceptor,
        {
            InterceptedService::new(Self::new(inner), interceptor)
        }
        /// Enable decompressing requests with the given encoding.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.accept_compression_encodings.enable(encoding);
            self
        }
        /// Compress responses with the given encoding, if the client supports it.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.send_compression_encodings.enable(encoding);
            self
        }
        /// Limits the maximum size of a decoded message.
        ///
        /// Default: `4MB`
        #[must_use]
        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
            self.max_decoding_message_size = Some(limit);
            self
        }
        /// Limits the maximum size of an encoded message.
        ///
        /// Default: `usize::MAX`
        #[must_use]
        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
            self.max_encoding_message_size = Some(limit);
            self
        }
    }
    impl<T, B> tonic::codegen::Service<http::Request<B>> for RaftClientServiceServer<T>
    where
        T: RaftClientService,
        B: Body + std::marker::Send + 'static,
        B::Error: Into<StdError> + std::marker::Send + 'static,
    {
        type Response = http::Response<tonic::body::Body>;
        type Error = std::convert::Infallible;
        type Future = BoxFuture<Self::Response, Self::Error>;
        fn poll_ready(
            &mut self,
            _cx: &mut Context<'_>,
        ) -> Poll<std::result::Result<(), Self::Error>> {
            Poll::Ready(Ok(()))
        }
        fn call(&mut self, req: http::Request<B>) -> Self::Future {
            match req.uri().path() {
                "/d_engine.client.RaftClientService/HandleClientWrite" => {
                    #[allow(non_camel_case_types)]
                    struct HandleClientWriteSvc<T: RaftClientService>(pub Arc<T>);
                    impl<
                        T: RaftClientService,
                    > tonic::server::UnaryService<super::ClientWriteRequest>
                    for HandleClientWriteSvc<T> {
                        type Response = super::ClientResponse;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::ClientWriteRequest>,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
                                <T as RaftClientService>::handle_client_write(
                                        &inner,
                                        request,
                                    )
                                    .await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let max_decoding_message_size = self.max_decoding_message_size;
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let method = HandleClientWriteSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            )
                            .apply_max_message_size_config(
                                max_decoding_message_size,
                                max_encoding_message_size,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/d_engine.client.RaftClientService/HandleClientRead" => {
                    #[allow(non_camel_case_types)]
                    struct HandleClientReadSvc<T: RaftClientService>(pub Arc<T>);
                    impl<
                        T: RaftClientService,
                    > tonic::server::UnaryService<super::ClientReadRequest>
                    for HandleClientReadSvc<T> {
                        type Response = super::ClientResponse;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::ClientReadRequest>,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
                                <T as RaftClientService>::handle_client_read(
                                        &inner,
                                        request,
                                    )
                                    .await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let max_decoding_message_size = self.max_decoding_message_size;
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let method = HandleClientReadSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            )
                            .apply_max_message_size_config(
                                max_decoding_message_size,
                                max_encoding_message_size,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/d_engine.client.RaftClientService/HandleClientScan" => {
                    #[allow(non_camel_case_types)]
                    struct HandleClientScanSvc<T: RaftClientService>(pub Arc<T>);
                    impl<
                        T: RaftClientService,
                    > tonic::server::UnaryService<super::ScanRequest>
                    for HandleClientScanSvc<T> {
                        type Response = super::ScanResponse;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::ScanRequest>,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
                                <T as RaftClientService>::handle_client_scan(
                                        &inner,
                                        request,
                                    )
                                    .await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let max_decoding_message_size = self.max_decoding_message_size;
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let method = HandleClientScanSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            )
                            .apply_max_message_size_config(
                                max_decoding_message_size,
                                max_encoding_message_size,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/d_engine.client.RaftClientService/Watch" => {
                    #[allow(non_camel_case_types)]
                    struct WatchSvc<T: RaftClientService>(pub Arc<T>);
                    impl<
                        T: RaftClientService,
                    > tonic::server::ServerStreamingService<super::WatchRequest>
                    for WatchSvc<T> {
                        type Response = super::WatchResponse;
                        type ResponseStream = T::WatchStream;
                        type Future = BoxFuture<
                            tonic::Response<Self::ResponseStream>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::WatchRequest>,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
                                <T as RaftClientService>::watch(&inner, request).await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let max_decoding_message_size = self.max_decoding_message_size;
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let method = WatchSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            )
                            .apply_max_message_size_config(
                                max_decoding_message_size,
                                max_encoding_message_size,
                            );
                        let res = grpc.server_streaming(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/d_engine.client.RaftClientService/WatchMembership" => {
                    #[allow(non_camel_case_types)]
                    struct WatchMembershipSvc<T: RaftClientService>(pub Arc<T>);
                    impl<
                        T: RaftClientService,
                    > tonic::server::ServerStreamingService<
                        super::WatchMembershipRequest,
                    > for WatchMembershipSvc<T> {
                        type Response = super::MembershipSnapshot;
                        type ResponseStream = T::WatchMembershipStream;
                        type Future = BoxFuture<
                            tonic::Response<Self::ResponseStream>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::WatchMembershipRequest>,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
                                <T as RaftClientService>::watch_membership(&inner, request)
                                    .await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let max_decoding_message_size = self.max_decoding_message_size;
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let method = WatchMembershipSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            )
                            .apply_max_message_size_config(
                                max_decoding_message_size,
                                max_encoding_message_size,
                            );
                        let res = grpc.server_streaming(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                _ => {
                    Box::pin(async move {
                        let mut response = http::Response::new(
                            tonic::body::Body::default(),
                        );
                        let headers = response.headers_mut();
                        headers
                            .insert(
                                tonic::Status::GRPC_STATUS,
                                (tonic::Code::Unimplemented as i32).into(),
                            );
                        headers
                            .insert(
                                http::header::CONTENT_TYPE,
                                tonic::metadata::GRPC_CONTENT_TYPE,
                            );
                        Ok(response)
                    })
                }
            }
        }
    }
    impl<T> Clone for RaftClientServiceServer<T> {
        fn clone(&self) -> Self {
            let inner = self.inner.clone();
            Self {
                inner,
                accept_compression_encodings: self.accept_compression_encodings,
                send_compression_encodings: self.send_compression_encodings,
                max_decoding_message_size: self.max_decoding_message_size,
                max_encoding_message_size: self.max_encoding_message_size,
            }
        }
    }
    /// Generated gRPC service name
    pub const SERVICE_NAME: &str = "d_engine.client.RaftClientService";
    impl<T> tonic::server::NamedService for RaftClientServiceServer<T> {
        const NAME: &'static str = SERVICE_NAME;
    }
}