feat: frontend server (#242)

* feat/frontend-server ### Add Frontend Service Protocol Buffers - Introduced a new Protocol Buffers file `server.proto` in `proto/greptime/v1/frontend/`. - Defined the `Frontend` service with an RPC method `ListProcess`. - Added message definitions for `ListProcessRequest`, `ListProcessResponse`, and `ProcessInfo`. - Included fields for process ID, catalog, schema, query, start timestamp, and client information in `ProcessInfo`. Signed-off-by: Lei, HUANG <lhuang@greptime.com> * feat/frontend-server: ### Update `server.proto` in `greptime/v1/frontend` - Added a newline at the end of the `ProcessInfo` message definition in `server.proto`. Signed-off-by: Lei, HUANG <lhuang@greptime.com> * feat/frontend-server: Add new proto file to build script - Updated `build.rs` to include `proto/greptime/v1/frontend/server.proto` in the build process. Signed-off-by: Lei, HUANG <lhuang@greptime.com> * add frontend mod Signed-off-by: Lei, HUANG <lhuang@greptime.com> * feat/frontend-server: **Add Frontend Info to ProcessInfo** - Updated `server.proto` to include a new field `frontend` in the `ProcessInfo` message, providing additional frontend information for processes. Signed-off-by: Lei, HUANG <lhuang@greptime.com> * feat/frontend-server: Update `server.proto` to modify data types and field names - Changed the data type of `id` from `uint64` to `string` in `ProcessInfo`. - Renamed field `schema` to `schemas` in `ProcessInfo`. Signed-off-by: Lei, HUANG <lhuang@greptime.com> * - Signed-off-by: Lei, HUANG <lhuang@greptime.com> * add catalog to ListProcessRequest --------- Signed-off-by: Lei, HUANG <lhuang@greptime.com>
2025-06-12 10:45:14 +08:00
parent 454c52634c
commit 5f6119ac79
9 changed files with 5585 additions and 0 deletions
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+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package greptime.v1.frontend;
+
+option java_package = "io.greptime.v1.frontend";
+option java_outer_classname = "Server";
+option go_package = "github.com/GreptimeTeam/greptime-proto/go/greptime/v1/frontend";
+
+service Frontend {
+  // List all running processes on frontend.
+  rpc ListProcess(ListProcessRequest) returns (ListProcessResponse);
+}
+
+message ListProcessRequest {
+  string catalog = 1;
+}
+
+message ListProcessResponse {
+  repeated ProcessInfo processes = 1;
+}
+
+message ProcessInfo {
+  // ID.
+  uint64 id = 1;
+  // Catalog of process.
+  string catalog = 2;
+  // Involved schemas.
+  repeated string schemas = 3;
+  // Query string.
+  string query = 4;
+  // Start time.
+  int64 start_timestamp = 5;
+  // Client info.
+  string client = 6;
+  // Frontend info of process.
+  string frontend = 7;
+}