Imported existing code

indra/llmessage/llchainio.cpp

@@ -0,0 +1,94 @@
+/** 
+ * @file llchainio.cpp
+ * @author Phoenix
+ * @date 2005-08-04
+ * @brief Implementaiton of the chain factory.
+ *
+ * $LicenseInfo:firstyear=2005&license=viewergpl$
+ * 
+ * Copyright (c) 2005-2009, 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 "linden_common.h"
+#include "llchainio.h"
+
+#include "lliopipe.h"
+#include "llioutil.h"
+
+
+/**
+ * LLDeferredChain
+ */
+// static
+bool LLDeferredChain::addToPump(
+	LLPumpIO* pump,
+	F32 in_seconds,
+	const LLPumpIO::chain_t& deferred_chain,
+	F32 chain_timeout)
+{
+	if(!pump) return false;
+	LLPumpIO::chain_t sleep_chain;
+	sleep_chain.push_back(LLIOPipe::ptr_t(new LLIOSleep(in_seconds)));
+	sleep_chain.push_back(
+		LLIOPipe::ptr_t(new LLIOAddChain(deferred_chain, chain_timeout)));
+
+	// give it a litle bit of padding.
+	pump->addChain(sleep_chain, in_seconds + 10.0f);
+	return true;
+}
+
+/**
+ * LLChainIOFactory
+ */
+LLChainIOFactory::LLChainIOFactory()
+{
+}
+
+// virtual
+LLChainIOFactory::~LLChainIOFactory()
+{
+}
+
+#if 0
+bool LLChainIOFactory::build(LLIOPipe* in, LLIOPipe* out) const
+{
+	if(!in || !out)
+	{
+		return false;
+	}
+	LLIOPipe* first = NULL;
+	LLIOPipe* last = NULL;
+	if(build_impl(first, last) && first && last)
+	{
+		in->connect(first);
+		last->connect(out);
+		return true;
+	}
+	LLIOPipe::ptr_t foo(first);
+	LLIOPipe::ptr_t bar(last);
+	return false;
+}
+#endif