Update to sdk for changes in proto for bidirectional binding in runtime (#320)

* Update proto for bidirectional binding in runtime

* move arg check

Co-authored-by: LM <lemai>

src/Dapr.Client/DaprClient.cs

@@ -36,15 +36,35 @@ namespace Dapr.Client
         /// <summary>
         /// Invokes an output binding.
         /// </summary>
-        /// <typeparam name="TContent"></typeparam>
+        /// <typeparam name="TRequest"></typeparam>
         /// <param name="name">The name of the binding to sent the event to.</param>
-        /// <param name="content">The content of the event to send.</param>
+        /// <param name="operation">The type of operation to perform on the binding.</param>
+        /// <param name="data">The data of the event to send.</param>
         /// <param name="metadata">An open key/value pair that may be consumed by the binding component.</param>
         /// <param name="cancellationToken">A <see cref="CancellationToken" /> that can be used to cancel the operation.</param>
         /// <returns>A <see cref="Task" /> that will complete when the operation has completed.</returns>
-        public abstract Task InvokeBindingAsync<TContent>(
+        public abstract Task InvokeBindingAsync<TRequest>(
             string name,
-            TContent content,
+            string operation,
+            TRequest data,
+            Dictionary<string, string> metadata = default,
+            CancellationToken cancellationToken = default);
+
+        /// <summary>
+        /// Invokes an output binding.
+        /// </summary>
+        /// <typeparam name="TRequest">The type of the object for the data to send.</typeparam>
+        /// <typeparam name="TResponse">The type of the object for the return value.</typeparam>
+        /// <param name="name">The name of the binding to sent the event to.</param>
+        /// <param name="operation">The type of operation to perform on the binding.</param>
+        /// <param name="data">The data of the event to send.</param>
+        /// <param name="metadata">An open key/value pair that may be consumed by the binding component.</param>
+        /// <param name="cancellationToken">A <see cref="CancellationToken" /> that can be used to cancel the operation.</param>
+        /// <returns>A <see cref="ValueTask{T}" /> that will complete when the operation has completed.</returns>
+        public abstract ValueTask<TResponse> InvokeBindingAsync<TRequest, TResponse>(
+            string name,
+            string operation,
+            TRequest data,
             Dictionary<string, string> metadata = default,
             CancellationToken cancellationToken = default);
 

src/Dapr.Client/DaprClientGrpc.cs

@@ -77,22 +77,58 @@ namespace Dapr.Client
         #endregion
 
         #region InvokeBinding Apis
-        public override async Task InvokeBindingAsync<TContent>(
+
+        /// <inheritdoc/>
+        public override async Task InvokeBindingAsync<TRequest>(
             string name,
-           TContent content,
+            string operation,
+            TRequest data,
             Dictionary<string, string> metadata = default,
             CancellationToken cancellationToken = default)
         {
             ArgumentVerifier.ThrowIfNullOrEmpty(name, nameof(name));
+            ArgumentVerifier.ThrowIfNullOrEmpty(operation, nameof(operation));
 
+            _ = await MakeInvokeBindingRequestAsync(name, operation, data, metadata, cancellationToken);
+        }
+
+        /// <inheritdoc/>
+        public override async ValueTask<TResponse> InvokeBindingAsync<TRequest, TResponse>(
+            string name,
+            string operation,
+            TRequest data,
+            Dictionary<string, string> metadata = default,
+            CancellationToken cancellationToken = default)
+        {
+            ArgumentVerifier.ThrowIfNullOrEmpty(name, nameof(name));
+            ArgumentVerifier.ThrowIfNullOrEmpty(operation, nameof(operation));
+
+            InvokeBindingResponse response = await MakeInvokeBindingRequestAsync(name, operation, data, metadata, cancellationToken);
+            return ConvertFromInvokeBindingResponse<TResponse>(response, this.jsonSerializerOptions);
+        }
+
+        private static T ConvertFromInvokeBindingResponse<T>(InvokeBindingResponse response, JsonSerializerOptions options = null)
+        {
+            var responseData = response.Data.ToStringUtf8();
+            return JsonSerializer.Deserialize<T>(responseData, options);
+        }
+
+        private async Task<InvokeBindingResponse> MakeInvokeBindingRequestAsync<TContent>(
+           string name,
+           string operation,
+           TContent data,
+           Dictionary<string, string> metadata = default,
+           CancellationToken cancellationToken = default)
+        {          
             var envelope = new Autogenerated.InvokeBindingRequest()
             {
                 Name = name,
+                Operation = operation
             };
             
-            if (content != null)
+            if (data != null)
             {
-                envelope.Data = ConvertToByteStringAsync(content, this.jsonSerializerOptions);
+                envelope.Data = ConvertToByteStringAsync(data, this.jsonSerializerOptions);
             }
 
             if (metadata != null)
@@ -100,7 +136,7 @@ namespace Dapr.Client
                 envelope.Metadata.Add(metadata);
             }
 
-            await this.MakeGrpcCallHandleError(
+            return await this.MakeGrpcCallHandleError(
                 (options) =>
                 {
                     return client.InvokeBindingAsync(envelope, options);

src/Dapr.Client/Protos/dapr/proto/dapr/v1/dapr.proto

@@ -33,7 +33,7 @@ service Dapr {
   rpc PublishEvent(PublishEventRequest) returns (google.protobuf.Empty) {}
 
   // Invokes binding data to specific output bindings
-  rpc InvokeBinding(InvokeBindingRequest) returns (google.protobuf.Empty) {}
+  rpc InvokeBinding(InvokeBindingRequest) returns (InvokeBindingResponse) {}
 
   // Gets secrets from secret stores.
   rpc GetSecret(GetSecretRequest) returns (GetSecretResponse) {}
@@ -121,6 +121,18 @@ message InvokeBindingRequest {
   // have a default time to live. The message ttl overrides any value
   // in the binding definition.
   map<string,string> metadata = 3;
+
+  // The name of the operation type for the binding to invoke
+  string operation = 4;
+}
+
+// InvokeBindingResponse is the message returned from an output binding invocation
+message InvokeBindingResponse {
+  // The data which will be sent to output binding.
+  bytes data = 1;
+
+  // The metadata returned from an external system
+  map<string,string> metadata = 2;
 }
 
 // GetSecretRequest is the message to get secret from secret store.

test/Dapr.Client.Test/InvokeBindingApiTest.cs

@@ -28,7 +28,7 @@ namespace Dapr.Client.Test
             metadata.Add("key1", "value1");
             metadata.Add("key2", "value2");
             var invokeRequest = new InvokeRequest() { RequestParameter = "Hello " };
-            var task = daprClient.InvokeBindingAsync<InvokeRequest>("test", invokeRequest, metadata);
+            var task = daprClient.InvokeBindingAsync<InvokeRequest>("test", "create", invokeRequest, metadata);
 
             // Get Request and validate                     
             httpClient.Requests.TryDequeue(out var entry).Should().BeTrue();