arrow_flight/arrow.flight.protocol.rs
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// This file was automatically generated through the build.rs script, and should not be edited.
// This file is @generated by prost-build.
///
/// The request that a client provides to a server on handshake.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct HandshakeRequest {
///
/// A defined protocol version
#[prost(uint64, tag = "1")]
pub protocol_version: u64,
///
/// Arbitrary auth/handshake info.
#[prost(bytes = "bytes", tag = "2")]
pub payload: ::prost::bytes::Bytes,
}
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct HandshakeResponse {
///
/// A defined protocol version
#[prost(uint64, tag = "1")]
pub protocol_version: u64,
///
/// Arbitrary auth/handshake info.
#[prost(bytes = "bytes", tag = "2")]
pub payload: ::prost::bytes::Bytes,
}
///
/// A message for doing simple auth.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct BasicAuth {
#[prost(string, tag = "2")]
pub username: ::prost::alloc::string::String,
#[prost(string, tag = "3")]
pub password: ::prost::alloc::string::String,
}
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct Empty {}
///
/// Describes an available action, including both the name used for execution
/// along with a short description of the purpose of the action.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ActionType {
#[prost(string, tag = "1")]
pub r#type: ::prost::alloc::string::String,
#[prost(string, tag = "2")]
pub description: ::prost::alloc::string::String,
}
///
/// A service specific expression that can be used to return a limited set
/// of available Arrow Flight streams.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Criteria {
#[prost(bytes = "bytes", tag = "1")]
pub expression: ::prost::bytes::Bytes,
}
///
/// An opaque action specific for the service.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Action {
#[prost(string, tag = "1")]
pub r#type: ::prost::alloc::string::String,
#[prost(bytes = "bytes", tag = "2")]
pub body: ::prost::bytes::Bytes,
}
///
/// The request of the CancelFlightInfo action.
///
/// The request should be stored in Action.body.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct CancelFlightInfoRequest {
#[prost(message, optional, tag = "1")]
pub info: ::core::option::Option<FlightInfo>,
}
///
/// The request of the RenewFlightEndpoint action.
///
/// The request should be stored in Action.body.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct RenewFlightEndpointRequest {
#[prost(message, optional, tag = "1")]
pub endpoint: ::core::option::Option<FlightEndpoint>,
}
///
/// An opaque result returned after executing an action.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Result {
#[prost(bytes = "bytes", tag = "1")]
pub body: ::prost::bytes::Bytes,
}
///
/// The result of the CancelFlightInfo action.
///
/// The result should be stored in Result.body.
#[derive(Clone, Copy, PartialEq, ::prost::Message)]
pub struct CancelFlightInfoResult {
#[prost(enumeration = "CancelStatus", tag = "1")]
pub status: i32,
}
///
/// Wrap the result of a getSchema call
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct SchemaResult {
/// The schema of the dataset in its IPC form:
/// 4 bytes - an optional IPC_CONTINUATION_TOKEN prefix
/// 4 bytes - the byte length of the payload
/// a flatbuffer Message whose header is the Schema
#[prost(bytes = "bytes", tag = "1")]
pub schema: ::prost::bytes::Bytes,
}
///
/// The name or tag for a Flight. May be used as a way to retrieve or generate
/// a flight or be used to expose a set of previously defined flights.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct FlightDescriptor {
#[prost(enumeration = "flight_descriptor::DescriptorType", tag = "1")]
pub r#type: i32,
///
/// Opaque value used to express a command. Should only be defined when
/// type = CMD.
#[prost(bytes = "bytes", tag = "2")]
pub cmd: ::prost::bytes::Bytes,
///
/// List of strings identifying a particular dataset. Should only be defined
/// when type = PATH.
#[prost(string, repeated, tag = "3")]
pub path: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
}
/// Nested message and enum types in `FlightDescriptor`.
pub mod flight_descriptor {
///
/// Describes what type of descriptor is defined.
#[derive(
Clone,
Copy,
Debug,
PartialEq,
Eq,
Hash,
PartialOrd,
Ord,
::prost::Enumeration
)]
#[repr(i32)]
pub enum DescriptorType {
/// Protobuf pattern, not used.
Unknown = 0,
///
/// A named path that identifies a dataset. A path is composed of a string
/// or list of strings describing a particular dataset. This is conceptually
/// similar to a path inside a filesystem.
Path = 1,
///
/// An opaque command to generate a dataset.
Cmd = 2,
}
impl DescriptorType {
/// 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::Unknown => "UNKNOWN",
Self::Path => "PATH",
Self::Cmd => "CMD",
}
}
/// Creates an enum from field names used in the ProtoBuf definition.
pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
match value {
"UNKNOWN" => Some(Self::Unknown),
"PATH" => Some(Self::Path),
"CMD" => Some(Self::Cmd),
_ => None,
}
}
}
}
///
/// The access coordinates for retrieval of a dataset. With a FlightInfo, a
/// consumer is able to determine how to retrieve a dataset.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct FlightInfo {
/// The schema of the dataset in its IPC form:
/// 4 bytes - an optional IPC_CONTINUATION_TOKEN prefix
/// 4 bytes - the byte length of the payload
/// a flatbuffer Message whose header is the Schema
#[prost(bytes = "bytes", tag = "1")]
pub schema: ::prost::bytes::Bytes,
///
/// The descriptor associated with this info.
#[prost(message, optional, tag = "2")]
pub flight_descriptor: ::core::option::Option<FlightDescriptor>,
///
/// A list of endpoints associated with the flight. To consume the
/// whole flight, all endpoints (and hence all Tickets) must be
/// consumed. Endpoints can be consumed in any order.
///
/// In other words, an application can use multiple endpoints to
/// represent partitioned data.
///
/// If the returned data has an ordering, an application can use
/// "FlightInfo.ordered = true" or should return the all data in a
/// single endpoint. Otherwise, there is no ordering defined on
/// endpoints or the data within.
///
/// A client can read ordered data by reading data from returned
/// endpoints, in order, from front to back.
///
/// Note that a client may ignore "FlightInfo.ordered = true". If an
/// ordering is important for an application, an application must
/// choose one of them:
///
/// * An application requires that all clients must read data in
/// returned endpoints order.
/// * An application must return the all data in a single endpoint.
#[prost(message, repeated, tag = "3")]
pub endpoint: ::prost::alloc::vec::Vec<FlightEndpoint>,
/// Set these to -1 if unknown.
#[prost(int64, tag = "4")]
pub total_records: i64,
#[prost(int64, tag = "5")]
pub total_bytes: i64,
///
/// FlightEndpoints are in the same order as the data.
#[prost(bool, tag = "6")]
pub ordered: bool,
///
/// Application-defined metadata.
///
/// There is no inherent or required relationship between this
/// and the app_metadata fields in the FlightEndpoints or resulting
/// FlightData messages. Since this metadata is application-defined,
/// a given application could define there to be a relationship,
/// but there is none required by the spec.
#[prost(bytes = "bytes", tag = "7")]
pub app_metadata: ::prost::bytes::Bytes,
}
///
/// The information to process a long-running query.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PollInfo {
///
/// The currently available results.
///
/// If "flight_descriptor" is not specified, the query is complete
/// and "info" specifies all results. Otherwise, "info" contains
/// partial query results.
///
/// Note that each PollInfo response contains a complete
/// FlightInfo (not just the delta between the previous and current
/// FlightInfo).
///
/// Subsequent PollInfo responses may only append new endpoints to
/// info.
///
/// Clients can begin fetching results via DoGet(Ticket) with the
/// ticket in the info before the query is
/// completed. FlightInfo.ordered is also valid.
#[prost(message, optional, tag = "1")]
pub info: ::core::option::Option<FlightInfo>,
///
/// The descriptor the client should use on the next try.
/// If unset, the query is complete.
#[prost(message, optional, tag = "2")]
pub flight_descriptor: ::core::option::Option<FlightDescriptor>,
///
/// Query progress. If known, must be in \[0.0, 1.0\] but need not be
/// monotonic or nondecreasing. If unknown, do not set.
#[prost(double, optional, tag = "3")]
pub progress: ::core::option::Option<f64>,
///
/// Expiration time for this request. After this passes, the server
/// might not accept the retry descriptor anymore (and the query may
/// be cancelled). This may be updated on a call to PollFlightInfo.
#[prost(message, optional, tag = "4")]
pub expiration_time: ::core::option::Option<::prost_types::Timestamp>,
}
///
/// A particular stream or split associated with a flight.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct FlightEndpoint {
///
/// Token used to retrieve this stream.
#[prost(message, optional, tag = "1")]
pub ticket: ::core::option::Option<Ticket>,
///
/// A list of URIs where this ticket can be redeemed via DoGet().
///
/// If the list is empty, the expectation is that the ticket can only
/// be redeemed on the current service where the ticket was
/// generated.
///
/// If the list is not empty, the expectation is that the ticket can
/// be redeemed at any of the locations, and that the data returned
/// will be equivalent. In this case, the ticket may only be redeemed
/// at one of the given locations, and not (necessarily) on the
/// current service.
///
/// In other words, an application can use multiple locations to
/// represent redundant and/or load balanced services.
#[prost(message, repeated, tag = "2")]
pub location: ::prost::alloc::vec::Vec<Location>,
///
/// Expiration time of this stream. If present, clients may assume
/// they can retry DoGet requests. Otherwise, it is
/// application-defined whether DoGet requests may be retried.
#[prost(message, optional, tag = "3")]
pub expiration_time: ::core::option::Option<::prost_types::Timestamp>,
///
/// Application-defined metadata.
///
/// There is no inherent or required relationship between this
/// and the app_metadata fields in the FlightInfo or resulting
/// FlightData messages. Since this metadata is application-defined,
/// a given application could define there to be a relationship,
/// but there is none required by the spec.
#[prost(bytes = "bytes", tag = "4")]
pub app_metadata: ::prost::bytes::Bytes,
}
///
/// A location where a Flight service will accept retrieval of a particular
/// stream given a ticket.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Location {
#[prost(string, tag = "1")]
pub uri: ::prost::alloc::string::String,
}
///
/// An opaque identifier that the service can use to retrieve a particular
/// portion of a stream.
///
/// Tickets are meant to be single use. It is an error/application-defined
/// behavior to reuse a ticket.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Ticket {
#[prost(bytes = "bytes", tag = "1")]
pub ticket: ::prost::bytes::Bytes,
}
///
/// A batch of Arrow data as part of a stream of batches.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct FlightData {
///
/// The descriptor of the data. This is only relevant when a client is
/// starting a new DoPut stream.
#[prost(message, optional, tag = "1")]
pub flight_descriptor: ::core::option::Option<FlightDescriptor>,
///
/// Header for message data as described in Message.fbs::Message.
#[prost(bytes = "bytes", tag = "2")]
pub data_header: ::prost::bytes::Bytes,
///
/// Application-defined metadata.
#[prost(bytes = "bytes", tag = "3")]
pub app_metadata: ::prost::bytes::Bytes,
///
/// The actual batch of Arrow data. Preferably handled with minimal-copies
/// coming last in the definition to help with sidecar patterns (it is
/// expected that some implementations will fetch this field off the wire
/// with specialized code to avoid extra memory copies).
#[prost(bytes = "bytes", tag = "1000")]
pub data_body: ::prost::bytes::Bytes,
}
/// *
/// The response message associated with the submission of a DoPut.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct PutResult {
#[prost(bytes = "bytes", tag = "1")]
pub app_metadata: ::prost::bytes::Bytes,
}
///
/// The result of a cancel operation.
///
/// This is used by CancelFlightInfoResult.status.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum CancelStatus {
/// The cancellation status is unknown. Servers should avoid using
/// this value (send a NOT_FOUND error if the requested query is
/// not known). Clients can retry the request.
Unspecified = 0,
/// The cancellation request is complete. Subsequent requests with
/// the same payload may return CANCELLED or a NOT_FOUND error.
Cancelled = 1,
/// The cancellation request is in progress. The client may retry
/// the cancellation request.
Cancelling = 2,
/// The query is not cancellable. The client should not retry the
/// cancellation request.
NotCancellable = 3,
}
impl CancelStatus {
/// 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::Unspecified => "CANCEL_STATUS_UNSPECIFIED",
Self::Cancelled => "CANCEL_STATUS_CANCELLED",
Self::Cancelling => "CANCEL_STATUS_CANCELLING",
Self::NotCancellable => "CANCEL_STATUS_NOT_CANCELLABLE",
}
}
/// Creates an enum from field names used in the ProtoBuf definition.
pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
match value {
"CANCEL_STATUS_UNSPECIFIED" => Some(Self::Unspecified),
"CANCEL_STATUS_CANCELLED" => Some(Self::Cancelled),
"CANCEL_STATUS_CANCELLING" => Some(Self::Cancelling),
"CANCEL_STATUS_NOT_CANCELLABLE" => Some(Self::NotCancellable),
_ => None,
}
}
}
/// Generated client implementations.
pub mod flight_service_client {
#![allow(
unused_variables,
dead_code,
missing_docs,
clippy::wildcard_imports,
clippy::let_unit_value,
)]
use tonic::codegen::*;
use tonic::codegen::http::Uri;
///
/// A flight service is an endpoint for retrieving or storing Arrow data. A
/// flight service can expose one or more predefined endpoints that can be
/// accessed using the Arrow Flight Protocol. Additionally, a flight service
/// can expose a set of actions that are available.
#[derive(Debug, Clone)]
pub struct FlightServiceClient<T> {
inner: tonic::client::Grpc<T>,
}
impl FlightServiceClient<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> FlightServiceClient<T>
where
T: tonic::client::GrpcService<tonic::body::BoxBody>,
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,
) -> FlightServiceClient<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> + std::marker::Send + std::marker::Sync,
{
FlightServiceClient::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
}
///
/// Handshake between client and server. Depending on the server, the
/// handshake may be required to determine the token that should be used for
/// future operations. Both request and response are streams to allow multiple
/// round-trips depending on auth mechanism.
pub async fn handshake(
&mut self,
request: impl tonic::IntoStreamingRequest<Message = super::HandshakeRequest>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::HandshakeResponse>>,
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(
"/arrow.flight.protocol.FlightService/Handshake",
);
let mut req = request.into_streaming_request();
req.extensions_mut()
.insert(
GrpcMethod::new("arrow.flight.protocol.FlightService", "Handshake"),
);
self.inner.streaming(req, path, codec).await
}
///
/// Get a list of available streams given a particular criteria. Most flight
/// services will expose one or more streams that are readily available for
/// retrieval. This api allows listing the streams available for
/// consumption. A user can also provide a criteria. The criteria can limit
/// the subset of streams that can be listed via this interface. Each flight
/// service allows its own definition of how to consume criteria.
pub async fn list_flights(
&mut self,
request: impl tonic::IntoRequest<super::Criteria>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::FlightInfo>>,
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(
"/arrow.flight.protocol.FlightService/ListFlights",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(
GrpcMethod::new("arrow.flight.protocol.FlightService", "ListFlights"),
);
self.inner.server_streaming(req, path, codec).await
}
///
/// For a given FlightDescriptor, get information about how the flight can be
/// consumed. This is a useful interface if the consumer of the interface
/// already can identify the specific flight to consume. This interface can
/// also allow a consumer to generate a flight stream through a specified
/// descriptor. For example, a flight descriptor might be something that
/// includes a SQL statement or a Pickled Python operation that will be
/// executed. In those cases, the descriptor will not be previously available
/// within the list of available streams provided by ListFlights but will be
/// available for consumption for the duration defined by the specific flight
/// service.
pub async fn get_flight_info(
&mut self,
request: impl tonic::IntoRequest<super::FlightDescriptor>,
) -> std::result::Result<tonic::Response<super::FlightInfo>, 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(
"/arrow.flight.protocol.FlightService/GetFlightInfo",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(
GrpcMethod::new(
"arrow.flight.protocol.FlightService",
"GetFlightInfo",
),
);
self.inner.unary(req, path, codec).await
}
///
/// For a given FlightDescriptor, start a query and get information
/// to poll its execution status. This is a useful interface if the
/// query may be a long-running query. The first PollFlightInfo call
/// should return as quickly as possible. (GetFlightInfo doesn't
/// return until the query is complete.)
///
/// A client can consume any available results before
/// the query is completed. See PollInfo.info for details.
///
/// A client can poll the updated query status by calling
/// PollFlightInfo() with PollInfo.flight_descriptor. A server
/// should not respond until the result would be different from last
/// time. That way, the client can "long poll" for updates
/// without constantly making requests. Clients can set a short timeout
/// to avoid blocking calls if desired.
///
/// A client can't use PollInfo.flight_descriptor after
/// PollInfo.expiration_time passes. A server might not accept the
/// retry descriptor anymore and the query may be cancelled.
///
/// A client may use the CancelFlightInfo action with
/// PollInfo.info to cancel the running query.
pub async fn poll_flight_info(
&mut self,
request: impl tonic::IntoRequest<super::FlightDescriptor>,
) -> std::result::Result<tonic::Response<super::PollInfo>, 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(
"/arrow.flight.protocol.FlightService/PollFlightInfo",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(
GrpcMethod::new(
"arrow.flight.protocol.FlightService",
"PollFlightInfo",
),
);
self.inner.unary(req, path, codec).await
}
///
/// For a given FlightDescriptor, get the Schema as described in Schema.fbs::Schema
/// This is used when a consumer needs the Schema of flight stream. Similar to
/// GetFlightInfo this interface may generate a new flight that was not previously
/// available in ListFlights.
pub async fn get_schema(
&mut self,
request: impl tonic::IntoRequest<super::FlightDescriptor>,
) -> std::result::Result<tonic::Response<super::SchemaResult>, 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(
"/arrow.flight.protocol.FlightService/GetSchema",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(
GrpcMethod::new("arrow.flight.protocol.FlightService", "GetSchema"),
);
self.inner.unary(req, path, codec).await
}
///
/// Retrieve a single stream associated with a particular descriptor
/// associated with the referenced ticket. A Flight can be composed of one or
/// more streams where each stream can be retrieved using a separate opaque
/// ticket that the flight service uses for managing a collection of streams.
pub async fn do_get(
&mut self,
request: impl tonic::IntoRequest<super::Ticket>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::FlightData>>,
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(
"/arrow.flight.protocol.FlightService/DoGet",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(GrpcMethod::new("arrow.flight.protocol.FlightService", "DoGet"));
self.inner.server_streaming(req, path, codec).await
}
///
/// Push a stream to the flight service associated with a particular
/// flight stream. This allows a client of a flight service to upload a stream
/// of data. Depending on the particular flight service, a client consumer
/// could be allowed to upload a single stream per descriptor or an unlimited
/// number. In the latter, the service might implement a 'seal' action that
/// can be applied to a descriptor once all streams are uploaded.
pub async fn do_put(
&mut self,
request: impl tonic::IntoStreamingRequest<Message = super::FlightData>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::PutResult>>,
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(
"/arrow.flight.protocol.FlightService/DoPut",
);
let mut req = request.into_streaming_request();
req.extensions_mut()
.insert(GrpcMethod::new("arrow.flight.protocol.FlightService", "DoPut"));
self.inner.streaming(req, path, codec).await
}
///
/// Open a bidirectional data channel for a given descriptor. This
/// allows clients to send and receive arbitrary Arrow data and
/// application-specific metadata in a single logical stream. In
/// contrast to DoGet/DoPut, this is more suited for clients
/// offloading computation (rather than storage) to a Flight service.
pub async fn do_exchange(
&mut self,
request: impl tonic::IntoStreamingRequest<Message = super::FlightData>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::FlightData>>,
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(
"/arrow.flight.protocol.FlightService/DoExchange",
);
let mut req = request.into_streaming_request();
req.extensions_mut()
.insert(
GrpcMethod::new("arrow.flight.protocol.FlightService", "DoExchange"),
);
self.inner.streaming(req, path, codec).await
}
///
/// Flight services can support an arbitrary number of simple actions in
/// addition to the possible ListFlights, GetFlightInfo, DoGet, DoPut
/// operations that are potentially available. DoAction allows a flight client
/// to do a specific action against a flight service. An action includes
/// opaque request and response objects that are specific to the type action
/// being undertaken.
pub async fn do_action(
&mut self,
request: impl tonic::IntoRequest<super::Action>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::Result>>,
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(
"/arrow.flight.protocol.FlightService/DoAction",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(
GrpcMethod::new("arrow.flight.protocol.FlightService", "DoAction"),
);
self.inner.server_streaming(req, path, codec).await
}
///
/// A flight service exposes all of the available action types that it has
/// along with descriptions. This allows different flight consumers to
/// understand the capabilities of the flight service.
pub async fn list_actions(
&mut self,
request: impl tonic::IntoRequest<super::Empty>,
) -> std::result::Result<
tonic::Response<tonic::codec::Streaming<super::ActionType>>,
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(
"/arrow.flight.protocol.FlightService/ListActions",
);
let mut req = request.into_request();
req.extensions_mut()
.insert(
GrpcMethod::new("arrow.flight.protocol.FlightService", "ListActions"),
);
self.inner.server_streaming(req, path, codec).await
}
}
}
/// Generated server implementations.
pub mod flight_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 FlightServiceServer.
#[async_trait]
pub trait FlightService: std::marker::Send + std::marker::Sync + 'static {
/// Server streaming response type for the Handshake method.
type HandshakeStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::HandshakeResponse, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// Handshake between client and server. Depending on the server, the
/// handshake may be required to determine the token that should be used for
/// future operations. Both request and response are streams to allow multiple
/// round-trips depending on auth mechanism.
async fn handshake(
&self,
request: tonic::Request<tonic::Streaming<super::HandshakeRequest>>,
) -> std::result::Result<tonic::Response<Self::HandshakeStream>, tonic::Status>;
/// Server streaming response type for the ListFlights method.
type ListFlightsStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::FlightInfo, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// Get a list of available streams given a particular criteria. Most flight
/// services will expose one or more streams that are readily available for
/// retrieval. This api allows listing the streams available for
/// consumption. A user can also provide a criteria. The criteria can limit
/// the subset of streams that can be listed via this interface. Each flight
/// service allows its own definition of how to consume criteria.
async fn list_flights(
&self,
request: tonic::Request<super::Criteria>,
) -> std::result::Result<
tonic::Response<Self::ListFlightsStream>,
tonic::Status,
>;
///
/// For a given FlightDescriptor, get information about how the flight can be
/// consumed. This is a useful interface if the consumer of the interface
/// already can identify the specific flight to consume. This interface can
/// also allow a consumer to generate a flight stream through a specified
/// descriptor. For example, a flight descriptor might be something that
/// includes a SQL statement or a Pickled Python operation that will be
/// executed. In those cases, the descriptor will not be previously available
/// within the list of available streams provided by ListFlights but will be
/// available for consumption for the duration defined by the specific flight
/// service.
async fn get_flight_info(
&self,
request: tonic::Request<super::FlightDescriptor>,
) -> std::result::Result<tonic::Response<super::FlightInfo>, tonic::Status>;
///
/// For a given FlightDescriptor, start a query and get information
/// to poll its execution status. This is a useful interface if the
/// query may be a long-running query. The first PollFlightInfo call
/// should return as quickly as possible. (GetFlightInfo doesn't
/// return until the query is complete.)
///
/// A client can consume any available results before
/// the query is completed. See PollInfo.info for details.
///
/// A client can poll the updated query status by calling
/// PollFlightInfo() with PollInfo.flight_descriptor. A server
/// should not respond until the result would be different from last
/// time. That way, the client can "long poll" for updates
/// without constantly making requests. Clients can set a short timeout
/// to avoid blocking calls if desired.
///
/// A client can't use PollInfo.flight_descriptor after
/// PollInfo.expiration_time passes. A server might not accept the
/// retry descriptor anymore and the query may be cancelled.
///
/// A client may use the CancelFlightInfo action with
/// PollInfo.info to cancel the running query.
async fn poll_flight_info(
&self,
request: tonic::Request<super::FlightDescriptor>,
) -> std::result::Result<tonic::Response<super::PollInfo>, tonic::Status>;
///
/// For a given FlightDescriptor, get the Schema as described in Schema.fbs::Schema
/// This is used when a consumer needs the Schema of flight stream. Similar to
/// GetFlightInfo this interface may generate a new flight that was not previously
/// available in ListFlights.
async fn get_schema(
&self,
request: tonic::Request<super::FlightDescriptor>,
) -> std::result::Result<tonic::Response<super::SchemaResult>, tonic::Status>;
/// Server streaming response type for the DoGet method.
type DoGetStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::FlightData, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// Retrieve a single stream associated with a particular descriptor
/// associated with the referenced ticket. A Flight can be composed of one or
/// more streams where each stream can be retrieved using a separate opaque
/// ticket that the flight service uses for managing a collection of streams.
async fn do_get(
&self,
request: tonic::Request<super::Ticket>,
) -> std::result::Result<tonic::Response<Self::DoGetStream>, tonic::Status>;
/// Server streaming response type for the DoPut method.
type DoPutStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::PutResult, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// Push a stream to the flight service associated with a particular
/// flight stream. This allows a client of a flight service to upload a stream
/// of data. Depending on the particular flight service, a client consumer
/// could be allowed to upload a single stream per descriptor or an unlimited
/// number. In the latter, the service might implement a 'seal' action that
/// can be applied to a descriptor once all streams are uploaded.
async fn do_put(
&self,
request: tonic::Request<tonic::Streaming<super::FlightData>>,
) -> std::result::Result<tonic::Response<Self::DoPutStream>, tonic::Status>;
/// Server streaming response type for the DoExchange method.
type DoExchangeStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::FlightData, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// Open a bidirectional data channel for a given descriptor. This
/// allows clients to send and receive arbitrary Arrow data and
/// application-specific metadata in a single logical stream. In
/// contrast to DoGet/DoPut, this is more suited for clients
/// offloading computation (rather than storage) to a Flight service.
async fn do_exchange(
&self,
request: tonic::Request<tonic::Streaming<super::FlightData>>,
) -> std::result::Result<tonic::Response<Self::DoExchangeStream>, tonic::Status>;
/// Server streaming response type for the DoAction method.
type DoActionStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::Result, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// Flight services can support an arbitrary number of simple actions in
/// addition to the possible ListFlights, GetFlightInfo, DoGet, DoPut
/// operations that are potentially available. DoAction allows a flight client
/// to do a specific action against a flight service. An action includes
/// opaque request and response objects that are specific to the type action
/// being undertaken.
async fn do_action(
&self,
request: tonic::Request<super::Action>,
) -> std::result::Result<tonic::Response<Self::DoActionStream>, tonic::Status>;
/// Server streaming response type for the ListActions method.
type ListActionsStream: tonic::codegen::tokio_stream::Stream<
Item = std::result::Result<super::ActionType, tonic::Status>,
>
+ std::marker::Send
+ 'static;
///
/// A flight service exposes all of the available action types that it has
/// along with descriptions. This allows different flight consumers to
/// understand the capabilities of the flight service.
async fn list_actions(
&self,
request: tonic::Request<super::Empty>,
) -> std::result::Result<
tonic::Response<Self::ListActionsStream>,
tonic::Status,
>;
}
///
/// A flight service is an endpoint for retrieving or storing Arrow data. A
/// flight service can expose one or more predefined endpoints that can be
/// accessed using the Arrow Flight Protocol. Additionally, a flight service
/// can expose a set of actions that are available.
#[derive(Debug)]
pub struct FlightServiceServer<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> FlightServiceServer<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 FlightServiceServer<T>
where
T: FlightService,
B: Body + std::marker::Send + 'static,
B::Error: Into<StdError> + std::marker::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<std::result::Result<(), Self::Error>> {
Poll::Ready(Ok(()))
}
fn call(&mut self, req: http::Request<B>) -> Self::Future {
match req.uri().path() {
"/arrow.flight.protocol.FlightService/Handshake" => {
#[allow(non_camel_case_types)]
struct HandshakeSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::StreamingService<super::HandshakeRequest>
for HandshakeSvc<T> {
type Response = super::HandshakeResponse;
type ResponseStream = T::HandshakeStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<
tonic::Streaming<super::HandshakeRequest>,
>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::handshake(&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 = HandshakeSvc(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.streaming(method, req).await;
Ok(res)
};
Box::pin(fut)
}
"/arrow.flight.protocol.FlightService/ListFlights" => {
#[allow(non_camel_case_types)]
struct ListFlightsSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::ServerStreamingService<super::Criteria>
for ListFlightsSvc<T> {
type Response = super::FlightInfo;
type ResponseStream = T::ListFlightsStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::Criteria>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::list_flights(&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 = ListFlightsSvc(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)
}
"/arrow.flight.protocol.FlightService/GetFlightInfo" => {
#[allow(non_camel_case_types)]
struct GetFlightInfoSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::UnaryService<super::FlightDescriptor>
for GetFlightInfoSvc<T> {
type Response = super::FlightInfo;
type Future = BoxFuture<
tonic::Response<Self::Response>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::FlightDescriptor>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::get_flight_info(&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 = GetFlightInfoSvc(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)
}
"/arrow.flight.protocol.FlightService/PollFlightInfo" => {
#[allow(non_camel_case_types)]
struct PollFlightInfoSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::UnaryService<super::FlightDescriptor>
for PollFlightInfoSvc<T> {
type Response = super::PollInfo;
type Future = BoxFuture<
tonic::Response<Self::Response>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::FlightDescriptor>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::poll_flight_info(&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 = PollFlightInfoSvc(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)
}
"/arrow.flight.protocol.FlightService/GetSchema" => {
#[allow(non_camel_case_types)]
struct GetSchemaSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::UnaryService<super::FlightDescriptor>
for GetSchemaSvc<T> {
type Response = super::SchemaResult;
type Future = BoxFuture<
tonic::Response<Self::Response>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::FlightDescriptor>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::get_schema(&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 = GetSchemaSvc(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)
}
"/arrow.flight.protocol.FlightService/DoGet" => {
#[allow(non_camel_case_types)]
struct DoGetSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::ServerStreamingService<super::Ticket>
for DoGetSvc<T> {
type Response = super::FlightData;
type ResponseStream = T::DoGetStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::Ticket>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::do_get(&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 = DoGetSvc(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)
}
"/arrow.flight.protocol.FlightService/DoPut" => {
#[allow(non_camel_case_types)]
struct DoPutSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::StreamingService<super::FlightData>
for DoPutSvc<T> {
type Response = super::PutResult;
type ResponseStream = T::DoPutStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<tonic::Streaming<super::FlightData>>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::do_put(&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 = DoPutSvc(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.streaming(method, req).await;
Ok(res)
};
Box::pin(fut)
}
"/arrow.flight.protocol.FlightService/DoExchange" => {
#[allow(non_camel_case_types)]
struct DoExchangeSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::StreamingService<super::FlightData>
for DoExchangeSvc<T> {
type Response = super::FlightData;
type ResponseStream = T::DoExchangeStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<tonic::Streaming<super::FlightData>>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::do_exchange(&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 = DoExchangeSvc(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.streaming(method, req).await;
Ok(res)
};
Box::pin(fut)
}
"/arrow.flight.protocol.FlightService/DoAction" => {
#[allow(non_camel_case_types)]
struct DoActionSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::ServerStreamingService<super::Action>
for DoActionSvc<T> {
type Response = super::Result;
type ResponseStream = T::DoActionStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::Action>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::do_action(&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 = DoActionSvc(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)
}
"/arrow.flight.protocol.FlightService/ListActions" => {
#[allow(non_camel_case_types)]
struct ListActionsSvc<T: FlightService>(pub Arc<T>);
impl<
T: FlightService,
> tonic::server::ServerStreamingService<super::Empty>
for ListActionsSvc<T> {
type Response = super::ActionType;
type ResponseStream = T::ListActionsStream;
type Future = BoxFuture<
tonic::Response<Self::ResponseStream>,
tonic::Status,
>;
fn call(
&mut self,
request: tonic::Request<super::Empty>,
) -> Self::Future {
let inner = Arc::clone(&self.0);
let fut = async move {
<T as FlightService>::list_actions(&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 = ListActionsSvc(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(empty_body());
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 FlightServiceServer<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 = "arrow.flight.protocol.FlightService";
impl<T> tonic::server::NamedService for FlightServiceServer<T> {
const NAME: &'static str = SERVICE_NAME;
}
}