通过tonic支持节点间通信（初步

e2e_test/src/lib.rs

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+mod reliant;

e2e_test/src/reliant/README.md

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+The test cases in this dir need to run the cluster

e2e_test/src/reliant/mod.rs

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+mod node_interact_test;

e2e_test/src/reliant/node_interact_test.rs

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+#![cfg(test)]
+
+use protos::{
+    models::{PingBody, PingBodyBuilder},
+    proto_gen::node_service::{node_service_client::NodeServiceClient, PingRequest, PingResponse},
+};
+use std::error::Error;
+use tonic::Request;
+
+#[tokio::test]
+async fn main() -> Result<(), Box<dyn Error>> {
+    let mut fbb = flatbuffers::FlatBufferBuilder::new();
+    let payload = fbb.create_vector(b"hello world");
+
+    let mut builder = PingBodyBuilder::new(&mut fbb);
+    builder.add_payload(payload);
+    let root = builder.finish();
+    fbb.finish(root, None);
+
+    let finished_data = fbb.finished_data();
+
+    let decoded_payload = flatbuffers::root::<PingBody>(finished_data);
+    assert!(decoded_payload.is_ok());
+
+    // 创建客户端
+    let mut client = NodeServiceClient::connect("http://localhost:9000").await?;
+
+    // 构造 PingRequest
+    let request = Request::new(PingRequest {
+        version: 1,
+        body: finished_data.to_vec(),
+    });
+
+    // 发送请求并获取响应
+    let response: PingResponse = client.ping(request).await?.into_inner();
+
+    // 打印响应
+    let ping_response_body = flatbuffers::root::<PingBody>(&response.body);
+    if let Err(e) = ping_response_body {
+        eprintln!("{}", e);
+    } else {
+        println!("ping_resp:body(flatbuffer): {:?}", ping_response_body);
+    }
+
+    Ok(())
+}