--- /dev/null
+/*
+ * Copyright © 2012 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authored by: Alan Griffiths <alan@octopull.co.uk>
+ */
+
+#ifndef ANBOX_RPC_PENDING_CALL_CACHE_
+#define ANBOX_RPC_PENDING_CALL_CACHE_
+
+#include <functional>
+#include <map>
+#include <mutex>
+
+namespace google {
+namespace protobuf {
+class Closure;
+class MessageLite;
+} // namespace protobuf
+} // namespace google
+
+namespace anbox {
+namespace protobuf {
+namespace rpc {
+class Invocation;
+class Result;
+} // namespace rpc
+} // namespace protobuf
+namespace rpc {
+class PendingCallCache {
+ public:
+ PendingCallCache();
+
+ void save_completion_details(
+ anbox::protobuf::rpc::Invocation const &invocation,
+ google::protobuf::MessageLite *response,
+ google::protobuf::Closure *complete);
+ void populate_message_for_result(
+ anbox::protobuf::rpc::Result &result,
+ std::function<void(google::protobuf::MessageLite *)> const &populator);
+ void complete_response(anbox::protobuf::rpc::Result &result);
+ void force_completion();
+ bool empty() const;
+
+ private:
+ struct PendingCall {
+ PendingCall(google::protobuf::MessageLite *response,
+ google::protobuf::Closure *target)
+ : response(response), complete(target) {}
+
+ PendingCall() : response(0), complete() {}
+
+ google::protobuf::MessageLite *response;
+ google::protobuf::Closure *complete;
+ };
+
+ std::mutex mutable mutex_;
+ std::map<int, PendingCall> pending_calls_;
+};
+} // namespace rpc
+} // namespace anbox
+
+#endif