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website/functions/node_modules/grpc/ext/call_credentials.h

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+/*
+ *
+ * Copyright 2015 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.
+ *
+ */
+
+#ifndef GRPC_NODE_CALL_CREDENTIALS_H_
+#define GRPC_NODE_CALL_CREDENTIALS_H_
+
+#include <queue>
+
+#include <nan.h>
+#include <node.h>
+#include <uv.h>
+#include "grpc/grpc_security.h"
+
+namespace grpc {
+namespace node {
+
+class CallCredentials : public Nan::ObjectWrap {
+ public:
+  static void Init(v8::Local<v8::Object> exports);
+  static bool HasInstance(v8::Local<v8::Value> val);
+  /* Wrap a grpc_call_credentials struct in a javascript object */
+  static v8::Local<v8::Value> WrapStruct(grpc_call_credentials *credentials);
+
+  /* Returns the grpc_call_credentials struct that this object wraps */
+  grpc_call_credentials *GetWrappedCredentials();
+
+ private:
+  explicit CallCredentials(grpc_call_credentials *credentials);
+  ~CallCredentials();
+
+  // Prevent copying
+  CallCredentials(const CallCredentials &);
+  CallCredentials &operator=(const CallCredentials &);
+
+  static NAN_METHOD(New);
+  static NAN_METHOD(CreateSsl);
+  static NAN_METHOD(CreateFromPlugin);
+
+  static NAN_METHOD(Compose);
+  static Nan::Callback *constructor;
+  // Used for typechecking instances of this javascript class
+  static Nan::Persistent<v8::FunctionTemplate> fun_tpl;
+
+  grpc_call_credentials *wrapped_credentials;
+};
+
+/* Auth metadata plugin functionality */
+
+typedef struct plugin_callback_data {
+  plugin_callback_data(const char *service_url_,
+                       grpc_credentials_plugin_metadata_cb cb_,
+                       void *user_data_)
+      : service_url(service_url_),
+        cb(cb_),
+        user_data(user_data_),
+        async_resource(NULL) {
+    Nan::HandleScope scope;
+    async_resource = new Nan::AsyncResource("grpc:plugin_callback_data");
+  }
+  ~plugin_callback_data() {
+    delete async_resource;
+  }
+
+  const char *service_url;
+  grpc_credentials_plugin_metadata_cb cb;
+  void *user_data;
+  Nan::AsyncResource *async_resource;
+} plugin_callback_data;
+
+typedef struct plugin_state {
+  Nan::Callback *callback;
+  std::queue<plugin_callback_data *> *pending_callbacks;
+  uv_mutex_t plugin_mutex;
+  // async.data == this
+  uv_async_t plugin_async;
+} plugin_state;
+
+int plugin_get_metadata(
+    void *state, grpc_auth_metadata_context context,
+    grpc_credentials_plugin_metadata_cb cb,
+    void *user_data,
+    grpc_metadata creds_md[GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX],
+    size_t *num_creds_md, grpc_status_code *status,
+    const char **error_details);
+
+void plugin_destroy_state(void *state);
+
+NAN_METHOD(PluginCallback);
+
+NAUV_WORK_CB(SendPluginCallback);
+
+}  // namespace node
+}  // namepsace grpc
+
+#endif  // GRPC_NODE_CALL_CREDENTIALS_H_