dendrite_lib 0.12.0

Event Sourcing and CQRS in Rust with AxonServer.
/// An instruction from Application Node to the AxonServer platform
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PlatformInboundInstruction {
    /// Instruction identifier. If this identifier is set, this instruction will be acknowledged via outbound stream
    #[prost(string, tag = "5")]
    pub instruction_id: ::prost::alloc::string::String,
    /// The actual instruction to send
    #[prost(oneof = "platform_inbound_instruction::Request", tags = "1, 2, 3, 4, 6")]
    pub request: ::core::option::Option<platform_inbound_instruction::Request>,
}
/// Nested message and enum types in `PlatformInboundInstruction`.
pub mod platform_inbound_instruction {
    /// The actual instruction to send
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Request {
        /// Information about the client being connected.
        /// This information is used by AxonServer to monitor the topology of connected applications.
        #[prost(message, tag = "1")]
        Register(super::ClientIdentification),
        /// Information about Tracking Processors defined in the application.
        /// This information is used by AxonServer to monitor the progress of Tracking Processors across instances.
        #[prost(message, tag = "2")]
        EventProcessorInfo(super::EventProcessorInfo),
        /// This heartbeat is used by AxonServer in order to check if the connection is still alive
        #[prost(message, tag = "3")]
        Heartbeat(super::Heartbeat),
        /// Acknowledgement of previously sent instruction via outbound stream
        #[prost(message, tag = "4")]
        Ack(super::super::common::InstructionAck),
        /// The result of the execution of an instruction
        #[prost(message, tag = "6")]
        Result(super::super::common::InstructionResult),
    }
}
/// An instruction or information from the AxonServer Platform to the Application Node
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PlatformOutboundInstruction {
    /// Instruction identifier. If this identifier is set, this instruction will be acknowledged via inbound stream
    #[prost(string, tag = "12")]
    pub instruction_id: ::prost::alloc::string::String,
    /// The actual instruction or information
    #[prost(
        oneof = "platform_outbound_instruction::Request",
        tags = "1, 3, 4, 5, 6, 7, 8, 9, 10, 11"
    )]
    pub request: ::core::option::Option<platform_outbound_instruction::Request>,
}
/// Nested message and enum types in `PlatformOutboundInstruction`.
pub mod platform_outbound_instruction {
    /// The actual instruction or information
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum Request {
        /// Information provided by AxonServer which provides information about the AxonServer node the application is connected with
        #[prost(message, tag = "1")]
        NodeNotification(super::NodeInfo),
        /// A request from AxonServer to the Application to migrate its connection to another node.
        /// Clients SHOULD honor this request by closing their current connection, and using the GetPlatformServer RPC
        /// to request a new destination.
        #[prost(message, tag = "3")]
        RequestReconnect(super::RequestReconnect),
        /// Instruction from AxonServer to Pause a Tracking Event Processor.
        #[prost(message, tag = "4")]
        PauseEventProcessor(super::EventProcessorReference),
        /// Instruction from AxonServer to Start a Tracking Event Processor.
        #[prost(message, tag = "5")]
        StartEventProcessor(super::EventProcessorReference),
        /// Instruction from AxonServer to Release a specific segment in a Tracking Event Processor
        #[prost(message, tag = "6")]
        ReleaseSegment(super::EventProcessorSegmentReference),
        /// A request from AxonServer for status information of a specific Tracking Event Processor
        #[prost(message, tag = "7")]
        RequestEventProcessorInfo(super::EventProcessorReference),
        /// Instruction to split a Segment in a Tracking Event Processor
        #[prost(message, tag = "8")]
        SplitEventProcessorSegment(super::EventProcessorSegmentReference),
        /// Instruction to merge two Segments in a Tracking Event Processor
        #[prost(message, tag = "9")]
        MergeEventProcessorSegment(super::EventProcessorSegmentReference),
        /// This heartbeat is used by AxonFramework in order to check if the connection is still alive
        #[prost(message, tag = "10")]
        Heartbeat(super::Heartbeat),
        /// Acknowledgement of previously sent instruction via inbound stream
        #[prost(message, tag = "11")]
        Ack(super::super::common::InstructionAck),
    }
}
/// Message send when AxonServer requests the client to re-establish its connection with the Platform
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RequestReconnect {}
/// Message containing connection information of the node to Connect with
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PlatformInfo {
    /// The connection details of the node the client should connect with
    #[prost(message, optional, tag = "1")]
    pub primary: ::core::option::Option<NodeInfo>,
    /// Flag indicating that the connection may be reused to connect. When true, the client _may_ reuse the connection
    /// established for the GetPlatformServer request for subsequent requests.
    #[prost(bool, tag = "2")]
    pub same_connection: bool,
}
/// Message containing connection information for an AxonServer Node
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct NodeInfo {
    /// The host name to use when connecting to this node
    #[prost(string, tag = "1")]
    pub host_name: ::prost::alloc::string::String,
    /// The port number for gRPC connections
    #[prost(int32, tag = "2")]
    pub grpc_port: i32,
    /// The port number for HTTP connections
    #[prost(int32, tag = "3")]
    pub http_port: i32,
    /// The version identifier of the API
    #[prost(int32, tag = "4")]
    pub version: i32,
    /// The unique name of the node to connect with, for purpose of debugging
    #[prost(string, tag = "5")]
    pub node_name: ::prost::alloc::string::String,
}
/// Message containing details about the Client Application
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ClientIdentification {
    /// A unique identifier for this client instance. Is used to distinguish different instances of the same component
    #[prost(string, tag = "1")]
    pub client_id: ::prost::alloc::string::String,
    /// The name of the component. Several instances of the same component should share this name
    #[prost(string, tag = "2")]
    pub component_name: ::prost::alloc::string::String,
    /// Any tags associated with the client, which may provide hints and preferences for setting up connections
    #[prost(map = "string, string", tag = "3")]
    pub tags: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Axon framework version used by the client application instance
    #[prost(string, tag = "4")]
    pub version: ::prost::alloc::string::String,
}
/// Message containing information about the status of a Tracking Event Processor
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct EventProcessorInfo {
    /// The logical name of this processor.
    #[prost(string, tag = "1")]
    pub processor_name: ::prost::alloc::string::String,
    /// The mode in which this processor is reading Events, for example: 'Tracking' or 'Subscribing'
    #[prost(string, tag = "2")]
    pub mode: ::prost::alloc::string::String,
    /// The number of threads currently actively processing Events
    #[prost(int32, tag = "3")]
    pub active_threads: i32,
    /// Flag indicating whether the processor is running
    #[prost(bool, tag = "4")]
    pub running: bool,
    /// Flag indicating whether the processor, when stopped, did so because of an irrecoverable Error
    #[prost(bool, tag = "5")]
    pub error: bool,
    /// Status details of each of the Segments for which Events are being processed. This is only provided by Tracking
    /// Event Processors.
    #[prost(message, repeated, tag = "6")]
    pub segment_status: ::prost::alloc::vec::Vec<event_processor_info::SegmentStatus>,
    /// The number of threads the processor has available to assign to Segments.
    /// Will report 0 if all threads are assigned a Segment.
    #[prost(int32, tag = "7")]
    pub available_threads: i32,
    /// The Token Store Identifier if available. This is only provided by Tracking Event Processors.
    #[prost(string, tag = "8")]
    pub token_store_identifier: ::prost::alloc::string::String,
}
/// Nested message and enum types in `EventProcessorInfo`.
pub mod event_processor_info {
    /// Message containing information about the status of a Segment of a Tracking Event Processor
    #[derive(serde::Serialize, serde::Deserialize)]
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct SegmentStatus {
        /// The ID of the Segment for which the status is reported
        #[prost(int32, tag = "1")]
        pub segment_id: i32,
        /// Indicates whether the Segment has "Caught Up" with the Head of the Event Stream
        #[prost(bool, tag = "2")]
        pub caught_up: bool,
        /// Indicates whether the Segment is "Replaying" historic events after a Reset.
        #[prost(bool, tag = "3")]
        pub replaying: bool,
        /// The fraction this segment processes. A fraction of 2 means 1/2, 4 means 1/4, etc.
        #[prost(int32, tag = "4")]
        pub one_part_of: i32,
        /// The approximate position of the token in the stream.
        #[prost(int64, tag = "5")]
        pub token_position: i64,
        /// Information about the error state of the Segment, if applicable.
        #[prost(string, tag = "6")]
        pub error_state: ::prost::alloc::string::String,
    }
}
/// Message providing reference to an Event Processor
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct EventProcessorReference {
    /// The name of the Event Processor
    #[prost(string, tag = "1")]
    pub processor_name: ::prost::alloc::string::String,
}
/// Message providing reference to a Segment of an Event Processor
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct EventProcessorSegmentReference {
    /// The name of the Event Processor
    #[prost(string, tag = "1")]
    pub processor_name: ::prost::alloc::string::String,
    /// The identifier of the Segment
    #[prost(int32, tag = "2")]
    pub segment_identifier: i32,
}
#[derive(serde::Serialize, serde::Deserialize)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Heartbeat {}
/// Generated client implementations.
pub mod platform_service_client {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    /// Service describing operations for connecting to the AxonServer platform.
    ///
    ///Clients are expected to use this service on any of the Platform's Admin nodes to obtain connection information of the
    ///node that it should set up the actual connection with. On that second node, the clients should open an instruction
    ///stream (see OpenStream), so that AxonServer and the client application can exchange information and instructions.
    #[derive(Debug, Clone)]
    pub struct PlatformServiceClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl PlatformServiceClient<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: std::convert::TryInto<tonic::transport::Endpoint>,
            D::Error: Into<StdError>,
        {
            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
            Ok(Self::new(conn))
        }
    }
    impl<T> PlatformServiceClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::BoxBody>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + 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,
        ) -> PlatformServiceClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
            >>::Error: Into<StdError> + Send + Sync,
        {
            PlatformServiceClient::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
        }
        /// Obtains connection information for the Server that a Client should use for its connections.
        pub async fn get_platform_server(
            &mut self,
            request: impl tonic::IntoRequest<super::ClientIdentification>,
        ) -> Result<tonic::Response<super::PlatformInfo>, tonic::Status> {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/io.axoniq.axonserver.grpc.control.PlatformService/GetPlatformServer",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// Opens an instruction stream to the Platform, allowing AxonServer to provide management instructions to the application
        pub async fn open_stream(
            &mut self,
            request: impl tonic::IntoStreamingRequest<
                Message = super::PlatformInboundInstruction,
            >,
        ) -> Result<
                tonic::Response<
                    tonic::codec::Streaming<super::PlatformOutboundInstruction>,
                >,
                tonic::Status,
            > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/io.axoniq.axonserver.grpc.control.PlatformService/OpenStream",
            );
            self.inner.streaming(request.into_streaming_request(), path, codec).await
        }
    }
}
/// Generated server implementations.
pub mod platform_service_server {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    ///Generated trait containing gRPC methods that should be implemented for use with PlatformServiceServer.
    #[async_trait]
    pub trait PlatformService: Send + Sync + 'static {
        /// Obtains connection information for the Server that a Client should use for its connections.
        async fn get_platform_server(
            &self,
            request: tonic::Request<super::ClientIdentification>,
        ) -> Result<tonic::Response<super::PlatformInfo>, tonic::Status>;
        ///Server streaming response type for the OpenStream method.
        type OpenStreamStream: futures_core::Stream<
                Item = Result<super::PlatformOutboundInstruction, tonic::Status>,
            >
            + Send
            + 'static;
        /// Opens an instruction stream to the Platform, allowing AxonServer to provide management instructions to the application
        async fn open_stream(
            &self,
            request: tonic::Request<tonic::Streaming<super::PlatformInboundInstruction>>,
        ) -> Result<tonic::Response<Self::OpenStreamStream>, tonic::Status>;
    }
    /// Service describing operations for connecting to the AxonServer platform.
    ///
    ///Clients are expected to use this service on any of the Platform's Admin nodes to obtain connection information of the
    ///node that it should set up the actual connection with. On that second node, the clients should open an instruction
    ///stream (see OpenStream), so that AxonServer and the client application can exchange information and instructions.
    #[derive(Debug)]
    pub struct PlatformServiceServer<T: PlatformService> {
        inner: _Inner<T>,
        accept_compression_encodings: EnabledCompressionEncodings,
        send_compression_encodings: EnabledCompressionEncodings,
    }
    struct _Inner<T>(Arc<T>);
    impl<T: PlatformService> PlatformServiceServer<T> {
        pub fn new(inner: T) -> Self {
            Self::from_arc(Arc::new(inner))
        }
        pub fn from_arc(inner: Arc<T>) -> Self {
            let inner = _Inner(inner);
            Self {
                inner,
                accept_compression_encodings: Default::default(),
                send_compression_encodings: Default::default(),
            }
        }
        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
        }
    }
    impl<T, B> tonic::codegen::Service<http::Request<B>> for PlatformServiceServer<T>
    where
        T: PlatformService,
        B: Body + Send + 'static,
        B::Error: Into<StdError> + Send + 'static,
    {
        type Response = http::Response<tonic::body::BoxBody>;
        type Error = std::convert::Infallible;
        type Future = BoxFuture<Self::Response, Self::Error>;
        fn poll_ready(
            &mut self,
            _cx: &mut Context<'_>,
        ) -> Poll<Result<(), Self::Error>> {
            Poll::Ready(Ok(()))
        }
        fn call(&mut self, req: http::Request<B>) -> Self::Future {
            let inner = self.inner.clone();
            match req.uri().path() {
                "/io.axoniq.axonserver.grpc.control.PlatformService/GetPlatformServer" => {
                    #[allow(non_camel_case_types)]
                    struct GetPlatformServerSvc<T: PlatformService>(pub Arc<T>);
                    impl<
                        T: PlatformService,
                    > tonic::server::UnaryService<super::ClientIdentification>
                    for GetPlatformServerSvc<T> {
                        type Response = super::PlatformInfo;
                        type Future = BoxFuture<
                            tonic::Response<Self::Response>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<super::ClientIdentification>,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move {
                                (*inner).get_platform_server(request).await
                            };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = GetPlatformServerSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.unary(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                "/io.axoniq.axonserver.grpc.control.PlatformService/OpenStream" => {
                    #[allow(non_camel_case_types)]
                    struct OpenStreamSvc<T: PlatformService>(pub Arc<T>);
                    impl<
                        T: PlatformService,
                    > tonic::server::StreamingService<super::PlatformInboundInstruction>
                    for OpenStreamSvc<T> {
                        type Response = super::PlatformOutboundInstruction;
                        type ResponseStream = T::OpenStreamStream;
                        type Future = BoxFuture<
                            tonic::Response<Self::ResponseStream>,
                            tonic::Status,
                        >;
                        fn call(
                            &mut self,
                            request: tonic::Request<
                                tonic::Streaming<super::PlatformInboundInstruction>,
                            >,
                        ) -> Self::Future {
                            let inner = self.0.clone();
                            let fut = async move { (*inner).open_stream(request).await };
                            Box::pin(fut)
                        }
                    }
                    let accept_compression_encodings = self.accept_compression_encodings;
                    let send_compression_encodings = self.send_compression_encodings;
                    let inner = self.inner.clone();
                    let fut = async move {
                        let inner = inner.0;
                        let method = OpenStreamSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
                            .apply_compression_config(
                                accept_compression_encodings,
                                send_compression_encodings,
                            );
                        let res = grpc.streaming(method, req).await;
                        Ok(res)
                    };
                    Box::pin(fut)
                }
                _ => {
                    Box::pin(async move {
                        Ok(
                            http::Response::builder()
                                .status(200)
                                .header("grpc-status", "12")
                                .header("content-type", "application/grpc")
                                .body(empty_body())
                                .unwrap(),
                        )
                    })
                }
            }
        }
    }
    impl<T: PlatformService> Clone for PlatformServiceServer<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,
            }
        }
    }
    impl<T: PlatformService> Clone for _Inner<T> {
        fn clone(&self) -> Self {
            Self(self.0.clone())
        }
    }
    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
            write!(f, "{:?}", self.0)
        }
    }
    impl<T: PlatformService> tonic::server::NamedService for PlatformServiceServer<T> {
        const NAME: &'static str = "io.axoniq.axonserver.grpc.control.PlatformService";
    }
}