Adding upstream version 2.13.6.upstream/2.13.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 117 insertions, 0 deletions

diff --git a/lib/base/scriptglobal.cpp b/lib/base/scriptglobal.cpp
new file mode 100644
index 0000000..545c097
--- /dev/null
+++ b/lib/base/scriptglobal.cpp
@@ -0,0 +1,117 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#include "base/scriptglobal.hpp"
+#include "base/singleton.hpp"
+#include "base/logger.hpp"
+#include "base/stdiostream.hpp"
+#include "base/netstring.hpp"
+#include "base/json.hpp"
+#include "base/convert.hpp"
+#include "base/objectlock.hpp"
+#include "base/exception.hpp"
+#include "base/namespace.hpp"
+#include "base/utility.hpp"
+#include <fstream>
+
+using namespace icinga;
+
+Namespace::Ptr ScriptGlobal::m_Globals = new Namespace();
+
+Value ScriptGlobal::Get(const String& name, const Value *defaultValue)
+{
+	Value result;
+
+	if (!m_Globals->Get(name, &result)) {
+		if (defaultValue)
+			return *defaultValue;
+
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Tried to access undefined script variable '" + name + "'"));
+	}
+
+	return result;
+}
+
+void ScriptGlobal::Set(const String& name, const Value& value, bool overrideFrozen)
+{
+	std::vector<String> tokens = name.Split(".");
+
+	if (tokens.empty())
+		BOOST_THROW_EXCEPTION(std::invalid_argument("Name must not be empty"));
+
+	{
+		ObjectLock olock(m_Globals);
+
+		Namespace::Ptr parent = m_Globals;
+
+		for (std::vector<String>::size_type i = 0; i < tokens.size(); i++) {
+			const String& token = tokens[i];
+
+			if (i + 1 != tokens.size()) {
+				Value vparent;
+
+				if (!parent->Get(token, &vparent)) {
+					Namespace::Ptr dict = new Namespace();
+					parent->Set(token, dict);
+					parent = dict;
+				} else {
+					parent = vparent;
+				}
+			}
+		}
+
+		parent->SetFieldByName(tokens[tokens.size() - 1], value, overrideFrozen, DebugInfo());
+	}
+}
+
+void ScriptGlobal::SetConst(const String& name, const Value& value)
+{
+	GetGlobals()->SetAttribute(name, new ConstEmbeddedNamespaceValue(value));
+}
+
+bool ScriptGlobal::Exists(const String& name)
+{
+	return m_Globals->Contains(name);
+}
+
+Namespace::Ptr ScriptGlobal::GetGlobals()
+{
+	return m_Globals;
+}
+
+void ScriptGlobal::WriteToFile(const String& filename)
+{
+	Log(LogInformation, "ScriptGlobal")
+		<< "Dumping variables to file '" << filename << "'";
+
+	std::fstream fp;
+	String tempFilename = Utility::CreateTempFile(filename + ".XXXXXX", 0600, fp);
+
+	if (!fp)
+		BOOST_THROW_EXCEPTION(std::runtime_error("Could not open '" + tempFilename + "' file"));
+
+	StdioStream::Ptr sfp = new StdioStream(&fp, false);
+
+	ObjectLock olock(m_Globals);
+	for (const Namespace::Pair& kv : m_Globals) {
+		Value value = kv.second->Get();
+
+		if (value.IsObject())
+			value = Convert::ToString(value);
+
+		Dictionary::Ptr persistentVariable = new Dictionary({
+			{ "name", kv.first },
+			{ "value", value }
+		});
+
+		String json = JsonEncode(persistentVariable);
+
+		NetString::WriteStringToStream(sfp, json);
+	}
+
+	sfp->Close();
+
+	fp.close();
+
+	Utility::RenameFile(tempFilename, filename);
+}
+