Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / src / grpc_extension.js

diff --git a/legacy-libs/grpc/src/grpc_extension.js b/legacy-libs/grpc/src/grpc_extension.js
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+/**
+ * @license
+ * Copyright 2016 gRPC authors.
+ *
+ * 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.
+ *
+ */
+
+/**
+ * @module
+ * @private
+ */
+
+'use strict';
+
+var binary = require('node-pre-gyp/lib/pre-binding');
+var path = require('path');
+var binding_path =
+    binary.find(path.resolve(path.join(__dirname, '../package.json')));
+var binding;
+try {
+  binding = require(binding_path);
+} catch (e) {
+  let fs = require('fs');
+  let searchPath = path.dirname(path.dirname(binding_path));
+  let searchName = path.basename(path.dirname(binding_path));
+  let foundNames;
+  try {
+    foundNames = fs.readdirSync(searchPath);
+  } catch (readDirError) {
+    let message = `The gRPC binary module was not installed. This may be fixed by running "npm rebuild"
+Original error: ${e.message}`;
+    let error = new Error(message);
+    error.code = e.code;
+    throw error;
+  }
+  if (foundNames.indexOf(searchName) === -1) {
+    let message = `Failed to load gRPC binary module because it was not installed for the current system
+Expected directory: ${searchName}
+Found: [${foundNames.join(', ')}]
+This problem can often be fixed by running "npm rebuild" on the current system
+Original error: ${e.message}`;
+    let error = new Error(message);
+    error.code = e.code;
+    throw error;
+  } else {
+    e.message = `Failed to load ${binding_path}. ${e.message}`;
+    throw e;
+  }
+}
+
+module.exports = binding;