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+/*
+ * Copyright (c) 2021 Cisco and/or its affiliates.
+ * 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.
+ */
+
+#pragma once
+
+#include <core/portal.h>
+#include <hicn/transport/errors/runtime_exception.h>
+#include <hicn/transport/utils/noncopyable.h>
+
+#include <random>
+
+namespace transport {
+
+namespace protocol {
+
+class Protocol : public core::Portal::TransportCallback, utils::NonCopyable {
+ public:
+ virtual void stop() {
+ portal_->getThread().addAndWaitForExecution([this]() {
+ unSetRunning();
+ portal_->unregisterTransportCallback();
+ portal_->clear();
+ });
+ }
+
+ virtual void onInterest(core::Interest &i) {
+ throw errors::RuntimeException("Not implemented");
+ }
+
+ virtual void onContentObject(core::Interest &i, core::ContentObject &c) {
+ throw errors::RuntimeException("Not implemented");
+ }
+
+ virtual void onTimeout(core::Interest::Ptr &i, const core::Name &n) {
+ throw errors::RuntimeException("Not implemented");
+ }
+
+ virtual void onError(const std::error_code &ec) {
+ throw errors::RuntimeException("Not implemented");
+ }
+
+ bool isRunning() { return is_running_; }
+ void setRunning() { is_running_ = true; }
+ void unSetRunning() { is_running_ = false; }
+
+ protected:
+ Protocol() : portal_(nullptr), is_running_(false), gen_(rd_()) {}
+ virtual ~Protocol() {}
+
+ protected:
+ std::shared_ptr<core::Portal> portal_;
+ std::atomic_bool is_running_;
+
+ // Random engine
+ std::random_device rd_;
+ std::mt19937 gen_;
+};
+
+} // namespace protocol
+
+} // namespace transport \ No newline at end of file