1 files changed, 86 insertions, 0 deletions
diff --git a/low-can-binding/utils/signals.hpp b/low-can-binding/utils/signals.hpp
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+++ b/low-can-binding/utils/signals.hpp
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+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ *
+ * 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 <vector>
+#include <string>
+#include <fnmatch.h>
+
+#include "openxc.pb.h"
+#include "../binding/application.hpp"
+#include "../can/can-signals.hpp"
+#include "../diagnostic/diagnostic-message.hpp"
+
+#include "../binding/low-can-hat.hpp"
+#include "../binding/low-can-subscription.hpp"
+
+namespace utils
+{
+	struct signals_found
+	{
+		std::vector<std::shared_ptr<can_signal_t> > can_signals;
+		std::vector<std::shared_ptr<diagnostic_message_t> > diagnostic_messages;
+	};
+
+	/// @brief Signal manager singleton hold subscription object with attached afb_event and its mutex 
+	/// to read and write it safely.
+	/// It can be used to browse CAN signals and Diagnostic messages vectors and find a particular signal to
+	/// subscribe to.
+	class signals_manager_t
+	{
+	private:
+		std::mutex subscribed_signals_mutex_;
+		std::map<int, std::shared_ptr<low_can_subscription_t> > subscribed_signals_; ///< Map containing all subscribed signals, key is the socket int value.
+
+		signals_manager_t(); ///< Private constructor to make singleton class.
+
+	public:
+		static signals_manager_t& instance();
+
+		std::mutex& get_subscribed_signals_mutex();
+		std::map<int, std::shared_ptr<low_can_subscription_t> >& get_subscribed_signals();
+
+		struct signals_found find_signals(const openxc_DynamicField &key);
+		void find_diagnostic_messages(const openxc_DynamicField &key, std::vector<std::shared_ptr<diagnostic_message_t> >& found_signals);
+		void find_can_signals(const openxc_DynamicField &key, std::vector<std::shared_ptr<can_signal_t> >& found_signals);
+
+		template <typename T>
+		void lookup_signals_by_name(const std::string& key, std::vector<std::shared_ptr<T> > signals, std::vector<std::shared_ptr<T> >& found_signals)
+		{
+			for(std::shared_ptr<T> s : signals)
+			{
+				if(::fnmatch(key.c_str(), s->get_generic_name().c_str(), FNM_CASEFOLD) == 0)
+					found_signals.push_back(s);
+				else if(::fnmatch(key.c_str(), s->get_name().c_str(), FNM_CASEFOLD) == 0)
+					found_signals.push_back(s);
+			}
+		}
+
+		template <typename T>
+		void lookup_signals_by_id(const double key, std::vector<std::shared_ptr<T> > signals, std::vector<std::shared_ptr<T> >& found_signals)
+		{
+			for(std::shared_ptr<T> s : signals)
+			{
+				if(application_t::instance().get_signal_id(*s) == key)
+				{
+					found_signals.push_back(s);
+				}
+			}
+		}
+	};
+}
+\ No newline at end of file