add grpcsharp_batch_context_recv_status_on_client_error_string native method

src/csharp/Grpc.Core/Internal/NativeMethods.Generated.cs

@@ -43,6 +43,7 @@ namespace Grpc.Core.Internal
         public readonly Delegates.grpcsharp_batch_context_recv_message_next_slice_peek_delegate grpcsharp_batch_context_recv_message_next_slice_peek;
         public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_status_delegate grpcsharp_batch_context_recv_status_on_client_status;
         public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_details_delegate grpcsharp_batch_context_recv_status_on_client_details;
+        public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_error_string_delegate grpcsharp_batch_context_recv_status_on_client_error_string;
         public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_trailing_metadata_delegate grpcsharp_batch_context_recv_status_on_client_trailing_metadata;
         public readonly Delegates.grpcsharp_batch_context_recv_close_on_server_cancelled_delegate grpcsharp_batch_context_recv_close_on_server_cancelled;
         public readonly Delegates.grpcsharp_batch_context_reset_delegate grpcsharp_batch_context_reset;
@@ -151,6 +152,7 @@ namespace Grpc.Core.Internal
             this.grpcsharp_batch_context_recv_message_next_slice_peek = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_message_next_slice_peek_delegate>(library);
             this.grpcsharp_batch_context_recv_status_on_client_status = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_status_delegate>(library);
             this.grpcsharp_batch_context_recv_status_on_client_details = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_details_delegate>(library);
+            this.grpcsharp_batch_context_recv_status_on_client_error_string = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_error_string_delegate>(library);
             this.grpcsharp_batch_context_recv_status_on_client_trailing_metadata = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_trailing_metadata_delegate>(library);
             this.grpcsharp_batch_context_recv_close_on_server_cancelled = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_close_on_server_cancelled_delegate>(library);
             this.grpcsharp_batch_context_reset = GetMethodDelegate<Delegates.grpcsharp_batch_context_reset_delegate>(library);
@@ -258,6 +260,7 @@ namespace Grpc.Core.Internal
             this.grpcsharp_batch_context_recv_message_next_slice_peek = DllImportsFromStaticLib.grpcsharp_batch_context_recv_message_next_slice_peek;
             this.grpcsharp_batch_context_recv_status_on_client_status = DllImportsFromStaticLib.grpcsharp_batch_context_recv_status_on_client_status;
             this.grpcsharp_batch_context_recv_status_on_client_details = DllImportsFromStaticLib.grpcsharp_batch_context_recv_status_on_client_details;
+            this.grpcsharp_batch_context_recv_status_on_client_error_string = DllImportsFromStaticLib.grpcsharp_batch_context_recv_status_on_client_error_string;
             this.grpcsharp_batch_context_recv_status_on_client_trailing_metadata = DllImportsFromStaticLib.grpcsharp_batch_context_recv_status_on_client_trailing_metadata;
             this.grpcsharp_batch_context_recv_close_on_server_cancelled = DllImportsFromStaticLib.grpcsharp_batch_context_recv_close_on_server_cancelled;
             this.grpcsharp_batch_context_reset = DllImportsFromStaticLib.grpcsharp_batch_context_reset;
@@ -365,6 +368,7 @@ namespace Grpc.Core.Internal
             this.grpcsharp_batch_context_recv_message_next_slice_peek = DllImportsFromSharedLib.grpcsharp_batch_context_recv_message_next_slice_peek;
             this.grpcsharp_batch_context_recv_status_on_client_status = DllImportsFromSharedLib.grpcsharp_batch_context_recv_status_on_client_status;
             this.grpcsharp_batch_context_recv_status_on_client_details = DllImportsFromSharedLib.grpcsharp_batch_context_recv_status_on_client_details;
+            this.grpcsharp_batch_context_recv_status_on_client_error_string = DllImportsFromSharedLib.grpcsharp_batch_context_recv_status_on_client_error_string;
             this.grpcsharp_batch_context_recv_status_on_client_trailing_metadata = DllImportsFromSharedLib.grpcsharp_batch_context_recv_status_on_client_trailing_metadata;
             this.grpcsharp_batch_context_recv_close_on_server_cancelled = DllImportsFromSharedLib.grpcsharp_batch_context_recv_close_on_server_cancelled;
             this.grpcsharp_batch_context_reset = DllImportsFromSharedLib.grpcsharp_batch_context_reset;
@@ -475,6 +479,7 @@ namespace Grpc.Core.Internal
             public delegate int grpcsharp_batch_context_recv_message_next_slice_peek_delegate(BatchContextSafeHandle ctx, out UIntPtr sliceLen, out IntPtr sliceDataPtr);
             public delegate StatusCode grpcsharp_batch_context_recv_status_on_client_status_delegate(BatchContextSafeHandle ctx);
             public delegate IntPtr grpcsharp_batch_context_recv_status_on_client_details_delegate(BatchContextSafeHandle ctx, out UIntPtr detailsLength);
+            public delegate IntPtr grpcsharp_batch_context_recv_status_on_client_error_string_delegate(BatchContextSafeHandle ctx);
             public delegate IntPtr grpcsharp_batch_context_recv_status_on_client_trailing_metadata_delegate(BatchContextSafeHandle ctx);
             public delegate int grpcsharp_batch_context_recv_close_on_server_cancelled_delegate(BatchContextSafeHandle ctx);
             public delegate void grpcsharp_batch_context_reset_delegate(BatchContextSafeHandle ctx);
@@ -605,6 +610,9 @@ namespace Grpc.Core.Internal
             [DllImport(ImportName)]
             public static extern IntPtr grpcsharp_batch_context_recv_status_on_client_details(BatchContextSafeHandle ctx, out UIntPtr detailsLength);
             
+            [DllImport(ImportName)]
+            public static extern IntPtr grpcsharp_batch_context_recv_status_on_client_error_string(BatchContextSafeHandle ctx);
+            
             [DllImport(ImportName)]
             public static extern IntPtr grpcsharp_batch_context_recv_status_on_client_trailing_metadata(BatchContextSafeHandle ctx);
             
@@ -922,6 +930,9 @@ namespace Grpc.Core.Internal
             [DllImport(ImportName)]
             public static extern IntPtr grpcsharp_batch_context_recv_status_on_client_details(BatchContextSafeHandle ctx, out UIntPtr detailsLength);
             
+            [DllImport(ImportName)]
+            public static extern IntPtr grpcsharp_batch_context_recv_status_on_client_error_string(BatchContextSafeHandle ctx);
+            
             [DllImport(ImportName)]
             public static extern IntPtr grpcsharp_batch_context_recv_status_on_client_trailing_metadata(BatchContextSafeHandle ctx);
             

src/csharp/ext/grpc_csharp_ext.c

@@ -69,6 +69,7 @@ typedef struct grpcsharp_batch_context {
     grpc_metadata_array trailing_metadata;
     grpc_status_code status;
     grpc_slice status_details;
+    const char* error_string;
   } recv_status_on_client;
   int recv_close_on_server_cancelled;
 
@@ -223,6 +224,7 @@ grpcsharp_batch_context_reset(grpcsharp_batch_context* ctx) {
   grpcsharp_metadata_array_destroy_metadata_only(
       &(ctx->recv_status_on_client.trailing_metadata));
   grpc_slice_unref(ctx->recv_status_on_client.status_details);
+  gpr_free(ctx->recv_status_on_client.error_string);
   memset(ctx, 0, sizeof(grpcsharp_batch_context));
 }
 
@@ -328,6 +330,12 @@ grpcsharp_batch_context_recv_status_on_client_details(
   return (char*)GRPC_SLICE_START_PTR(ctx->recv_status_on_client.status_details);
 }
 
+GPR_EXPORT const char* GPR_CALLTYPE
+grpcsharp_batch_context_recv_status_on_client_error_string(
+    const grpcsharp_batch_context* ctx) {
+  return ctx->recv_status_on_client.error_string;
+}
+
 GPR_EXPORT const grpc_metadata_array* GPR_CALLTYPE
 grpcsharp_batch_context_recv_status_on_client_trailing_metadata(
     const grpcsharp_batch_context* ctx) {
@@ -631,6 +639,8 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_unary(
       &(ctx->recv_status_on_client.status);
   ops[5].data.recv_status_on_client.status_details =
       &(ctx->recv_status_on_client.status_details);
+  ops[5].data.recv_status_on_client.error_string =
+      &(ctx->recv_status_on_client.error_string);
   ops[5].flags = 0;
   ops[5].reserved = NULL;
 
@@ -652,6 +662,7 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_test_call_start_unary_echo(
                                      // received from server.
   ctx->recv_status_on_client.status = GRPC_STATUS_OK;
   ctx->recv_status_on_client.status_details = grpc_empty_slice();
+  ctx->recv_status_on_client.error_string = NULL;
   // echo initial metadata as if received from server (as trailing metadata)
   grpcsharp_metadata_array_move(&(ctx->recv_status_on_client.trailing_metadata),
                                 initial_metadata);
@@ -691,6 +702,8 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_client_streaming(
       &(ctx->recv_status_on_client.status);
   ops[3].data.recv_status_on_client.status_details =
       &(ctx->recv_status_on_client.status_details);
+  ops[3].data.recv_status_on_client.error_string =
+      &(ctx->recv_status_on_client.error_string);
   ops[3].flags = 0;
   ops[3].reserved = NULL;
 
@@ -732,6 +745,8 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_server_streaming(
       &(ctx->recv_status_on_client.status);
   ops[3].data.recv_status_on_client.status_details =
       &(ctx->recv_status_on_client.status_details);
+  ops[3].data.recv_status_on_client.error_string =
+      &(ctx->recv_status_on_client.error_string);
   ops[3].flags = 0;
   ops[3].reserved = NULL;
 
@@ -761,6 +776,8 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_duplex_streaming(
       &(ctx->recv_status_on_client.status);
   ops[1].data.recv_status_on_client.status_details =
       &(ctx->recv_status_on_client.status_details);
+  ops[1].data.recv_status_on_client.error_string =
+      &(ctx->recv_status_on_client.error_string);
   ops[1].flags = 0;
   ops[1].reserved = NULL;
 

src/csharp/unitypackage/unitypackage_skeleton/Plugins/Grpc.Core/runtimes/grpc_csharp_ext_dummy_stubs.c

@@ -58,6 +58,10 @@ void grpcsharp_batch_context_recv_status_on_client_details() {
   fprintf(stderr, "Should never reach here");
   abort();
 }
+void grpcsharp_batch_context_recv_status_on_client_error_string() {
+  fprintf(stderr, "Should never reach here");
+  abort();
+}
 void grpcsharp_batch_context_recv_status_on_client_trailing_metadata() {
   fprintf(stderr, "Should never reach here");
   abort();

templates/src/csharp/Grpc.Core/Internal/native_methods.include

@@ -9,6 +9,7 @@ native_method_signatures = [
     'int grpcsharp_batch_context_recv_message_next_slice_peek(BatchContextSafeHandle ctx, out UIntPtr sliceLen, out IntPtr sliceDataPtr)',
     'StatusCode grpcsharp_batch_context_recv_status_on_client_status(BatchContextSafeHandle ctx)',
     'IntPtr grpcsharp_batch_context_recv_status_on_client_details(BatchContextSafeHandle ctx, out UIntPtr detailsLength)',
+    'IntPtr grpcsharp_batch_context_recv_status_on_client_error_string(BatchContextSafeHandle ctx)',
     'IntPtr grpcsharp_batch_context_recv_status_on_client_trailing_metadata(BatchContextSafeHandle ctx)',
     'int grpcsharp_batch_context_recv_close_on_server_cancelled(BatchContextSafeHandle ctx)',
     'void grpcsharp_batch_context_reset(BatchContextSafeHandle ctx)',