1 files changed, 61 insertions, 0 deletions
diff --git a/app/gdp-hmi-panel/gdp-hmi-panel.cpp b/app/gdp-hmi-panel/gdp-hmi-panel.cpp
new file mode 100644
index 0000000..70557bb
--- /dev/null
+++ b/app/gdp-hmi-panel/gdp-hmi-panel.cpp
@@ -0,0 +1,61 @@
+/**
+ * SPDX license identifier: MPL-2.0
+ *
+ * Copyright (C) 2015, GENIVI Alliance
+ *
+ * This file is part of GENIVI Demo Platform HMI.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License (MPL), v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * For further information see http://www.genivi.org/.
+ *
+ * List of changes:
+ * 06.Feb.2014, Holger Behrens, written, inspired by Qt5 documentation
+ *          http://doc.qt.io/qt-5/qtqml-cppintegration-interactqmlfromcpp.html
+ */
+
+/*! \file gdp-hmi-panel.cpp
+ *  \brief HMI panel class for the GENIVI Demo Platform
+ *   
+ *  This component implements the HMI panel class of the GENIVI Demo Platform.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <systemd/sd-journal.h>
+
+#include "gdp-hmi-panel.h"
+
+#define GDP_HMI_PID_FILENAME "/var/run/gdp-hmi-controller.pid"
+
+GDPPanelClass::GDPPanelClass()
+: m_hmiControllerPid(-1)
+{
+	int fd;
+	char stringBuffer[256];
+
+	fd = open(GDP_HMI_PID_FILENAME, O_RDONLY | O_CLOEXEC, 0);
+	if (-1 == fd) {
+		strerror_r(errno, stringBuffer, 256);
+        sd_journal_print(LOG_ERR,
+        	"Error: pid_file (open) - %s. Exiting.\n", stringBuffer);
+		exit(EXIT_FAILURE);
+	}
+
+	if (-1 == read(fd, stringBuffer, 256)) {
+        sd_journal_print(LOG_ERR,
+        	"Error: Reading from PID file failed. Exiting.\n");
+		exit(EXIT_FAILURE);
+	}
+
+	m_hmiControllerPid = std::stoi(stringBuffer);
+    sd_journal_print(LOG_DEBUG, "Debug: GDPPanelClass() - pid read = %d\n",
+    	m_hmiControllerPid);
+}
+
+GDPPanelClass::~GDPPanelClass()
+{
+}