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/**
* @file lliohttpserver.h
* @brief Declaration of function for creating an HTTP wire server
* @see LLIOServerSocket, LLPumpIO
*
* Copyright (c) 2005-2007, Linden Research, Inc.
*
* 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#ifndef LL_LLIOHTTPSERVER_H
#define LL_LLIOHTTPSERVER_H
#include "llapr.h"
#include "llchainio.h"
#include "llhttpnode.h"
class LLPumpIO;
LLHTTPNode& LLCreateHTTPServer(apr_pool_t* pool, LLPumpIO& pump, U16 port);
/**< Creates an HTTP wire server on the pump for the given TCP port.
*
* Returns the root node of the new server. Add LLHTTPNode instances
* to this root.
*
* Nodes that return NULL for getProtocolHandler(), will use the
* default handler that interprets HTTP on the wire and converts
* it into calls to get(), put(), post(), del() with appropriate
* LLSD arguments and results.
*
* To have nodes that implement some other wire protocol (XML-RPC
* for example), use the helper templates below.
*/
void LLCreateHTTPPipe(LLPumpIO::chain_t& chain, const LLHTTPNode& root);
/**< Create a pipe on the chain that handles HTTP requests.
* The requests are served by the node tree given at root.
*
* This is primarily useful for unit testing.
*/
/* @name Helper Templates
*
* These templates make it easy to create nodes that use thier own protocol
* handlers rather than the default. Typically, you subclass LLIOPipe to
* implement the protocol, and then add a node using the templates:
*
* rootNode->addNode("thing", new LLHTTPNodeForPipe<LLThingPipe>);
*
* The templates are:
*
* LLChainIOFactoryForPipe
* - a simple factory that builds instances of a pipe
*
* LLHTTPNodeForFacotry
* - a HTTP node that uses a factory as the protocol handler
*
* LLHTTPNodeForPipe
* - a HTTP node that uses a simple factory based on a pipe
*/
//@{
template<class Pipe>
class LLChainIOFactoryForPipe : public LLChainIOFactory
{
public:
virtual bool build(LLPumpIO::chain_t& chain, LLSD context) const
{
chain.push_back(LLIOPipe::ptr_t(new Pipe));
return true;
}
};
template<class Factory>
class LLHTTPNodeForFactory : public LLHTTPNode
{
public:
const LLChainIOFactory* getProtocolHandler() const
{ return &mProtocolHandler; }
private:
Factory mProtocolHandler;
};
//@}
template<class Pipe>
class LLHTTPNodeForPipe : public LLHTTPNodeForFactory<
LLChainIOFactoryForPipe<Pipe> >
{
};
#endif // LL_LLIOHTTPSERVER_H
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