1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
/// Generated client implementations.
pub mod topic_service_client {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    #[derive(Debug, Clone)]
    pub struct TopicServiceClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl TopicServiceClient<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> TopicServiceClient<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,
        ) -> TopicServiceClient<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,
        {
            TopicServiceClient::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
        }
        /// Create Write Session
        /// Pipeline example:
        /// client                  server
        ///         InitRequest(Topic, MessageGroupID, ...)
        ///        ---------------->
        ///         InitResponse(Partition, MaxSeqNo, ...)
        ///        <----------------
        ///         WriteRequest(data1, seqNo1)
        ///        ---------------->
        ///         WriteRequest(data2, seqNo2)
        ///        ---------------->
        ///         WriteResponse(seqNo1, offset1, ...)
        ///        <----------------
        ///         WriteRequest(data3, seqNo3)
        ///        ---------------->
        ///         WriteResponse(seqNo2, offset2, ...)
        ///        <----------------
        ///         [something went wrong] (status != SUCCESS, issues not empty)
        ///        <----------------
        pub async fn stream_write(
            &mut self,
            request: impl tonic::IntoStreamingRequest<
                Message = super::super::stream_write_message::FromClient,
            >,
        ) -> Result<
                tonic::Response<
                    tonic::codec::Streaming<
                        super::super::stream_write_message::FromServer,
                    >,
                >,
                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(
                "/Ydb.Topic.V1.TopicService/StreamWrite",
            );
            self.inner.streaming(request.into_streaming_request(), path, codec).await
        }
        /// Create Read Session
        /// Pipeline:
        /// client                  server
        ///         InitRequest(Topics, ClientId, ...)
        ///        ---------------->
        ///         InitResponse(SessionId)
        ///        <----------------
        ///         ReadRequest
        ///        ---------------->
        ///         ReadRequest
        ///        ---------------->
        ///         StartPartitionSessionRequest(Topic1, Partition1, PartitionSessionID1, ...)
        ///        <----------------
        ///         StartPartitionSessionRequest(Topic2, Partition2, PartitionSessionID2, ...)
        ///        <----------------
        ///         StartPartitionSessionResponse(PartitionSessionID1, ...)
        ///             client must respond with this message to actually start recieving data messages from this partition
        ///        ---------------->
        ///         StopPartitionSessionRequest(PartitionSessionID1, ...)
        ///        <----------------
        ///         StopPartitionSessionResponse(PartitionSessionID1, ...)
        ///             only after this response server will give this parittion to other session.
        ///        ---------------->
        ///         StartPartitionSessionResponse(PartitionSession2, ...)
        ///        ---------------->
        ///         ReadResponse(data, ...)
        ///        <----------------
        ///         CommitRequest(PartitionCommit1, ...)
        ///        ---------------->
        ///         CommitResponse(PartitionCommitAck1, ...)
        ///        <----------------
        ///         [something went wrong] (status != SUCCESS, issues not empty)
        ///        <----------------
        pub async fn stream_read(
            &mut self,
            request: impl tonic::IntoStreamingRequest<
                Message = super::super::stream_read_message::FromClient,
            >,
        ) -> Result<
                tonic::Response<
                    tonic::codec::Streaming<
                        super::super::stream_read_message::FromServer,
                    >,
                >,
                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(
                "/Ydb.Topic.V1.TopicService/StreamRead",
            );
            self.inner.streaming(request.into_streaming_request(), path, codec).await
        }
        /// Create topic command.
        pub async fn create_topic(
            &mut self,
            request: impl tonic::IntoRequest<super::super::CreateTopicRequest>,
        ) -> Result<tonic::Response<super::super::CreateTopicResponse>, 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(
                "/Ydb.Topic.V1.TopicService/CreateTopic",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// Describe topic command.
        pub async fn describe_topic(
            &mut self,
            request: impl tonic::IntoRequest<super::super::DescribeTopicRequest>,
        ) -> Result<
                tonic::Response<super::super::DescribeTopicResponse>,
                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(
                "/Ydb.Topic.V1.TopicService/DescribeTopic",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// Alter topic command.
        pub async fn alter_topic(
            &mut self,
            request: impl tonic::IntoRequest<super::super::AlterTopicRequest>,
        ) -> Result<tonic::Response<super::super::AlterTopicResponse>, 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(
                "/Ydb.Topic.V1.TopicService/AlterTopic",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
        /// Drop topic command.
        pub async fn drop_topic(
            &mut self,
            request: impl tonic::IntoRequest<super::super::DropTopicRequest>,
        ) -> Result<tonic::Response<super::super::DropTopicResponse>, 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(
                "/Ydb.Topic.V1.TopicService/DropTopic",
            );
            self.inner.unary(request.into_request(), path, codec).await
        }
    }
}