dgram: migrate bufferSize to use internal/errors

PR-URL: #16567
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

Author: jasnell

lib/dgram.js

@@ -173,11 +173,13 @@ function bufferSize(self, size, buffer) {
   if (size >>> 0 !== size)
     throw new errors.TypeError('ERR_SOCKET_BAD_BUFFER_SIZE');
 
-  try {
-    return self._handle.bufferSize(size, buffer);
-  } catch (e) {
-    throw new errors.Error('ERR_SOCKET_BUFFER_SIZE', e);
+  const ctx = {};
+  const ret = self._handle.bufferSize(size, buffer, ctx);
+  if (ret === undefined) {
+    throw new errors.Error('ERR_SOCKET_BUFFER_SIZE',
+                           new errors.SystemError(ctx));
   }
+  return ret;
 }
 
 Socket.prototype.bind = function(port_, address_ /*, callback*/) {

src/udp_wrap.cc

@@ -234,8 +234,10 @@ void UDPWrap::BufferSize(const FunctionCallbackInfo<Value>& args) {
   const char* uv_func_name = is_recv ? "uv_recv_buffer_size" :
                                        "uv_send_buffer_size";
 
-  if (!args[0]->IsInt32())
-    return env->ThrowUVException(UV_EINVAL, uv_func_name);
+  if (!args[0]->IsInt32()) {
+    env->CollectUVExceptionInfo(args[2], UV_EINVAL, uv_func_name);
+    return args.GetReturnValue().SetUndefined();
+  }
 
   uv_handle_t* handle = reinterpret_cast<uv_handle_t*>(&wrap->handle_);
   int size = static_cast<int>(args[0].As<Uint32>()->Value());
@@ -246,8 +248,10 @@ void UDPWrap::BufferSize(const FunctionCallbackInfo<Value>& args) {
   else
     err = uv_send_buffer_size(handle, &size);
 
-  if (err != 0)
-    return env->ThrowUVException(err, uv_func_name);
+  if (err != 0) {
+    env->CollectUVExceptionInfo(args[2], err, uv_func_name);
+    return args.GetReturnValue().SetUndefined();
+  }
 
   args.GetReturnValue().Set(size);
 }

test/parallel/test-dgram-socket-buffer-size.js

@@ -77,8 +77,7 @@ function checkBufferSizeError(type, size) {
   const errorObj = {
     code: 'ERR_SOCKET_BUFFER_SIZE',
     type: Error,
-    message: 'Could not get or set buffer size: Error: EINVAL: ' +
-      `invalid argument, uv_${type}_buffer_size`
+    message: /^Could not get or set buffer size:.*$/
   };
   const functionName = `set${type.charAt(0).toUpperCase()}${type.slice(1)}` +
     'BufferSize';