Initial sshsm project structure

Issue-ID: AAF-94
Change-Id: I5e82fff418e7567b161acf9b98013a9b85ffc5b4
Signed-off-by: NingSun <ning.sun@intel.com>

1 files changed, 176 insertions, 0 deletions

diff --git a/SoftHSMv2/src/lib/common/Configuration.cpp b/SoftHSMv2/src/lib/common/Configuration.cpp
new file mode 100644
index 0000000..a7f6cc6
--- /dev/null
+++ b/SoftHSMv2/src/lib/common/Configuration.cpp
@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2010 SURFnet bv
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*****************************************************************************
+ Configuration.cpp
+
+ Loads the configuration and supports retrieval of configuration information
+ *****************************************************************************/
+
+#include <string>
+#include <map>
+#include "Configuration.h"
+#include "log.h"
+
+// Initialise the one-and-only instance
+#ifdef HAVE_CXX11
+std::unique_ptr<Configuration> Configuration::instance(nullptr);
+#else
+std::auto_ptr<Configuration> Configuration::instance(NULL);
+#endif
+
+// Add all valid configurations
+const struct config Configuration::valid_config[] = {
+	{ "directories.tokendir",	CONFIG_TYPE_STRING },
+	{ "objectstore.backend",	CONFIG_TYPE_STRING },
+	{ "log.level",			CONFIG_TYPE_STRING },
+	{ "slots.removable",		CONFIG_TYPE_BOOL },
+	{ "",				CONFIG_TYPE_UNSUPPORTED }
+};
+
+// Return the one-and-only instance
+Configuration* Configuration::i()
+{
+	if (instance.get() == NULL)
+	{
+		instance.reset(new Configuration());
+	}
+
+	return instance.get();
+}
+
+// Constructor
+Configuration::Configuration()
+{
+	configLoader = NULL;
+}
+
+// Get the type of the configuration value
+int Configuration::getType(std::string key)
+{
+	for (int i = 0; valid_config[i].key.compare("") != 0; i++)
+	{
+		if (valid_config[i].key.compare(key) == 0)
+		{
+			return valid_config[i].type;
+		}
+	}
+
+	return CONFIG_TYPE_UNSUPPORTED;
+}
+
+// Retrieve a string based configuration value
+std::string Configuration::getString(std::string key, std::string ifEmpty /* = "" */)
+{
+	if (stringConfiguration.find(key) != stringConfiguration.end())
+	{
+		return stringConfiguration[key];
+	}
+	else
+	{
+		WARNING_MSG("Missing %s in configuration. Using default value: %s", key.c_str(), ifEmpty.c_str());
+		return ifEmpty;
+	}
+}
+
+// Retrieve an integer configuration value
+int Configuration::getInt(std::string key, int ifEmpty /* = 0 */)
+{
+	if (integerConfiguration.find(key) != integerConfiguration.end())
+	{
+		return integerConfiguration[key];
+	}
+	else
+	{
+		WARNING_MSG("Missing %s in configuration. Using default value: %i", key.c_str(), ifEmpty);
+		return ifEmpty;
+	}
+}
+
+// Retrieve a boolean configuration value
+bool Configuration::getBool(std::string key, bool ifEmpty /* = false */)
+{
+	if (booleanConfiguration.find(key) != booleanConfiguration.end())
+	{
+		return booleanConfiguration[key];
+	}
+	else
+	{
+		WARNING_MSG("Missing %s in configuration. Using default value: %s", key.c_str(), ifEmpty ? "true" : "false");
+		return ifEmpty;
+	}
+}
+
+// Set a string based configuration value
+void Configuration::setString(std::string key, std::string value)
+{
+	stringConfiguration[key] = value;
+}
+
+// Set an integer based configuration value
+void Configuration::setInt(std::string key, int value)
+{
+	integerConfiguration[key] = value;
+}
+
+// Set a boolean configuration value
+void Configuration::setBool(std::string key, bool value)
+{
+	booleanConfiguration[key] = value;
+}
+
+// Reload the configuration
+bool Configuration::reload()
+{
+	if (configLoader == NULL)
+	{
+		return false;
+	}
+
+	// Discard the current configuration
+	stringConfiguration.clear();
+	integerConfiguration.clear();
+	booleanConfiguration.clear();
+
+	// Reload the configuration
+	if (!configLoader->loadConfiguration())
+	{
+		ERROR_MSG("Failed to load the SoftHSM configuration");
+
+		return false;
+	}
+
+	return true;
+}
+
+// Reload the configuration using the specified configuration loader
+bool Configuration::reload(ConfigLoader* inConfigLoader)
+{
+	configLoader = inConfigLoader;
+
+	return reload();
+}
+