merge -r 112783:112799 linden/branches/kelly/lsl-http-in-merge to linden/trunk

1 files changed, 101 insertions, 0 deletions

diff --git a/indra/lscript/lscript_execute/llscriptresourceconsumer.cpp b/indra/lscript/lscript_execute/llscriptresourceconsumer.cpp
new file mode 100644
index 0000000000..6a5b28e257
--- /dev/null
+++ b/indra/lscript/lscript_execute/llscriptresourceconsumer.cpp
@@ -0,0 +1,101 @@
+/** 
+ * @file llscriptresourceconsumer.cpp
+ * @brief An interface for a script resource consumer.
+ *
+ * $LicenseInfo:firstyear=2008&license=internal$
+ * 
+ * Copyright (c) 2008, Linden Research, Inc.
+ * 
+ * The following source code is PROPRIETARY AND CONFIDENTIAL. Use of
+ * this source code is governed by the Linden Lab Source Code Disclosure
+ * Agreement ("Agreement") previously entered between you and Linden
+ * Lab. By accessing, using, copying, modifying or distributing this
+ * software, you acknowledge that you have been informed of your
+ * obligations under the Agreement 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 "llscriptresourceconsumer.h"
+
+#include "llscriptresourcepool.h"
+
+LLScriptResourceConsumer::LLScriptResourceConsumer()
+	: mScriptResourcePool(&LLScriptResourcePool::null)
+{ }
+
+// Get the resource pool this consumer is currently using.
+// virtual 
+LLScriptResourcePool& LLScriptResourceConsumer::getScriptResourcePool()
+{
+	return *mScriptResourcePool;
+}
+
+// Get the resource pool this consumer is currently using.
+// virtual 
+const LLScriptResourcePool& LLScriptResourceConsumer::getScriptResourcePool() const
+{
+	return *mScriptResourcePool;
+}
+
+// virtual
+void LLScriptResourceConsumer::setScriptResourcePool(LLScriptResourcePool& new_pool)
+{
+	mScriptResourcePool = &new_pool;
+}
+
+bool LLScriptResourceConsumer::switchScriptResourcePools(LLScriptResourcePool& new_pool)
+{
+	if (&new_pool == &LLScriptResourcePool::null)
+	{
+		llwarns << "New pool is null" << llendl;
+	}
+
+	if (isInPool(new_pool))
+	{
+		return true;
+	}
+
+	if (!canUseScriptResourcePool(new_pool))
+	{
+		return false;
+	}
+
+	S32 used_urls = getUsedPublicURLs();
+	
+	getScriptResourcePool().getPublicURLResource().release( used_urls );
+	setScriptResourcePool(new_pool);
+	getScriptResourcePool().getPublicURLResource().request( used_urls );
+	
+	return true;
+}
+
+bool LLScriptResourceConsumer::canUseScriptResourcePool(const LLScriptResourcePool& resource_pool)
+{
+	if (isInPool(resource_pool))
+	{
+		return true;
+	}
+
+	if (resource_pool.getPublicURLResource().getAvailable() < getUsedPublicURLs())
+	{
+		return false;
+	}
+	
+	return true;
+}
+
+bool LLScriptResourceConsumer::isInPool(const LLScriptResourcePool& resource_pool)
+{
+	const LLScriptResourcePool& current_pool = getScriptResourcePool();
+	if ( &resource_pool == &current_pool )
+	{
+		// This consumer is already in this pool
+		return true;
+	}
+	return false;
+}
+