Merge pull request #28 from Clarilab/middleware/add-grpc-middleware

feat: add gRPC middleware

.vscode/launch.json

@@ -24,6 +24,13 @@
             "request": "launch",
             "mode": "auto",
             "program": "${workspaceFolder}/examples/http",       
+        },
+        {
+            "name": "GRPC Example",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceFolder}/examples/grpc",       
         }
     ]
 }

examples/grpc/filetransfer/filetransfer.proto

@@ -0,0 +1,23 @@
+syntax = "proto3";
+
+package filetransfer;
+
+option go_package = "./filetransfer";
+
+// The service definition
+service FileService {
+    // RPC to upload a file
+    rpc UploadFile(UploadFileRequest) returns (UploadFileResponse);
+}
+
+// The request message containing the file bytes
+message UploadFileRequest {
+    string file_name = 1;  // Name of the file being uploaded
+    bytes file_content = 2;  // Contents of the file as bytes
+}
+
+// The response message confirming the upload
+message UploadFileResponse {
+    bool success = 1;  // Indicates if the upload was successful
+    string message = 2;  // Additional message (e.g., error message)
+}