Imported existing code

indra/llcommon/llindraconfigfile.cpp

@@ -0,0 +1,118 @@
+/** 
+ * @file llindraconfigfile.cpp
+ *
+ *
+ * This class is an LLLiveFile that has config info for indra
+ * Currently only whether it's blacklisted
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llindraconfigfile.h"
+
+#include "llfile.h"
+#include "llsd.h"
+#include "llsdserialize.h"
+#include "llframetimer.h"
+
+static std::string sConfigDir = "";
+static const char indraConfigFileName[] = "indra.xml";
+
+
+LLIndraConfigFile::LLIndraConfigFile()
+        : LLLiveFile(filename(), configFileRefreshRate),
+          mConfig(LLSD())
+{
+}
+
+//static
+void LLIndraConfigFile::initClass(const std::string& config_dir)
+{
+	sConfigDir = config_dir;
+	llinfos << "LLIndraConfigFile::initClass config dir "
+			<< config_dir << "/" << indraConfigFileName << llendl;
+}
+
+LLSD LLIndraConfigFile::getConfig(const std::string& config_name)
+{
+	if (sConfigDir.empty())
+	{
+		llerrs << "LLIndraConfigFile::initClass() not called" << llendl;
+	}
+
+	LLFrameTimer::updateFrameTime();
+	
+	static LLIndraConfigFile the_file;
+	the_file.checkAndReload();
+
+    return the_file.mConfig[config_name];
+}
+
+std::string LLIndraConfigFile::filename()
+{
+    std::ostringstream ostr;
+
+	ostr << sConfigDir
+		 << "/" << indraConfigFileName;
+
+	return ostr.str();
+}
+
+/* virtual */
+void LLIndraConfigFile::loadFile()
+{
+	llinfos << "LLIndraConfigFile::loadFile: reading from "
+		<< filename() << llendl;
+        
+    LLSD config;
+
+    {
+        llifstream file(filename());
+        if (file.is_open())
+        {
+            LLSDSerialize::fromXML(config, file);
+        }
+
+        if (config.isUndefined())
+        {
+            llinfos << "LLIndraConfigFile::loadFile: file missing, ill-formed,"
+                " or simply undefined; not changing the blacklist" << llendl;
+            return;
+        }
+    }
+
+	if (config.isMap())
+	{
+		mConfig = config;
+	}
+	else
+    {
+        llwarns << "LLIndraConfigFile: " << indraConfigFileName << "  expects a map; wrong format" << llendl;
+        return;
+    }
+}