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lliohttpserver_tut.cpp：源码内容
							/** 
 * @file lliohttpserver_tut.cpp
 * @date   May 2006
 * @brief HTTP server unit tests
 *
 * $LicenseInfo:firstyear=2006&license=viewergpl$
 * 
 * Copyright (c) 2006-2010, 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 "lltut.h"
#include "llbufferstream.h"
#include "lliohttpserver.h"
#include "llsdhttpserver.h"
#include "llsdserialize.h"
#include "llpipeutil.h"
namespace tut
{
	class HTTPServiceTestData
	{
	public:
		class DelayedEcho : public LLHTTPNode
		{
			HTTPServiceTestData* mTester;
		public:
			DelayedEcho(HTTPServiceTestData* tester) : mTester(tester) { }
			void post(ResponsePtr response, const LLSD& context, const LLSD& input) const
			{
				ensure("response already set", mTester->mResponse == ResponsePtr(NULL));
				mTester->mResponse = response;
				mTester->mResult = input;
			}
		};
		class WireHello : public LLIOPipe
		{
		protected:
			virtual EStatus process_impl(
				const LLChannelDescriptors& channels,
				buffer_ptr_t& buffer,
				bool& eos,
				LLSD& context,
				LLPumpIO* pump)
			{
				if(!eos) return STATUS_BREAK;
				LLSD sd = "yo!";
				LLBufferStream ostr(channels, buffer.get());
				ostr << LLSDXMLStreamer(sd);
				return STATUS_DONE;
			}
		};
		HTTPServiceTestData()
			: mResponse(NULL)
		{
			LLHTTPStandardServices::useServices();
			LLHTTPRegistrar::buildAllServices(mRoot);
			mRoot.addNode("/delayed/echo", new DelayedEcho(this));
			mRoot.addNode("/wire/hello", new LLHTTPNodeForPipe<WireHello>);
		}
		
		LLHTTPNode mRoot;
		LLHTTPNode::ResponsePtr mResponse;
		LLSD mResult;
		void pumpPipe(LLPumpIO* pump, S32 iterations)
		{
			while(iterations > 0)
			{
				pump->pump();
				pump->callback();
				--iterations;
			}
		}
		std::string makeRequest(
			const std::string& name,
			const std::string& httpRequest,
			bool timeout = false)
		{
			LLPipeStringInjector* injector = new LLPipeStringInjector(httpRequest);
			LLPipeStringExtractor* extractor = new LLPipeStringExtractor();
			
			apr_pool_t* pool;
			apr_pool_create(&pool, NULL);
			LLPumpIO* pump;
			pump = new LLPumpIO(pool);
			LLPumpIO::chain_t chain;
			LLSD context;
			chain.push_back(LLIOPipe::ptr_t(injector));
			LLIOHTTPServer::createPipe(chain, mRoot, LLSD());
			chain.push_back(LLIOPipe::ptr_t(extractor));
			pump->addChain(chain, DEFAULT_CHAIN_EXPIRY_SECS);
			pumpPipe(pump, 10);
			if(mResponse.notNull() && (! timeout)) 
			{
				mResponse->result(mResult);
				mResponse = NULL;
			}
			pumpPipe(pump, 10);
			
			std::string httpResult = extractor->string();
			chain.clear();
			delete pump;
			apr_pool_destroy(pool);
			if(mResponse.notNull() && timeout)
			{
				mResponse->result(mResult);
				mResponse = NULL;
			}
			
			return httpResult;
		}
		
		std::string httpGET(const std::string& uri, 
							bool timeout = false)
		{
			std::string httpRequest = "GET " + uri + " HTTP/1.0rnrn";
			return makeRequest(uri, httpRequest, timeout);
		}
		
		std::string httpPOST(const std::string& uri,
			const std::string& body,
			bool timeout,
			const std::string& evilExtra = "")
		{
			std::ostringstream httpRequest;
			httpRequest << "POST " + uri + " HTTP/1.0rn";
			httpRequest << "Content-Length: " << body.size() << "rn";
			httpRequest << "rn";
			httpRequest << body;
			httpRequest << evilExtra;
				
			return makeRequest(uri, httpRequest.str(), timeout);
		}
		std::string httpPOST(const std::string& uri,
			const std::string& body,
			const std::string& evilExtra = "")
		{
			bool timeout = false;
			return httpPOST(uri, body, timeout, evilExtra);
		}
	};
	typedef test_group<HTTPServiceTestData>		HTTPServiceTestGroup;
	typedef HTTPServiceTestGroup::object		HTTPServiceTestObject;
	HTTPServiceTestGroup httpServiceTestGroup("http service");
	template<> template<>
	void HTTPServiceTestObject::test<1>()
	{
		std::string result = httpGET("web/hello");
		
		ensure_starts_with("web/hello status", result,
			"HTTP/1.0 200 OKrn");
						
		ensure_contains("web/hello content type", result,
			"Content-Type: application/llsd+xmlrn");
		ensure_contains("web/hello content length", result,
			"Content-Length: 36rn");
		ensure_contains("web/hello content", result,
			"rn"
			"<llsd><string>hello</string></llsd>"
			);
	}
	
	template<> template<>
	void HTTPServiceTestObject::test<2>()
	{
		// test various HTTP errors
		
		std::string actual;
		actual = httpGET("web/missing");
		ensure_starts_with("web/missing 404", actual,
			"HTTP/1.0 404 Not Foundrn");
		actual = httpGET("web/echo");			
		ensure_starts_with("web/echo 405", actual,
			"HTTP/1.0 405 Method Not Allowedrn");
	}
	
	template<> template<>
	void HTTPServiceTestObject::test<3>()
	{
		// test POST & content-length handling
		
		std::string result;
		
		result = httpPOST("web/echo",
			"<llsd><integer>42</integer></llsd>");
			
		ensure_starts_with("web/echo status", result,
			"HTTP/1.0 200 OKrn");
						
		ensure_contains("web/echo content type", result,
			"Content-Type: application/llsd+xmlrn");
		ensure_contains("web/echo content length", result,
			"Content-Length: 35rn");
		ensure_contains("web/hello content", result,
			"rn"
			"<llsd><integer>42</integer></llsd>"
			);
/* TO DO: this test doesn't pass!!
		
		result = httpPOST("web/echo",
			"<llsd><string>evil</string></llsd>",
			"really!  evil!!!");
			
		ensure_equals("web/echo evil result", result,
			"HTTP/1.0 200 OKrn"
			"Content-Length: 34rn"
			"rn"
			"<llsd><string>evil</string></llsd>"
			);
*/
	}
	template<> template<>
	void HTTPServiceTestObject::test<4>()
	{
		// test calling things based on pipes
		std::string result;
		result = httpGET("wire/hello");
		ensure_contains("wire/hello", result, "yo!");
	}
    template<> template<>
	void HTTPServiceTestObject::test<5>()
    {
		// test timeout before async response
		std::string result;
		bool timeout = true;
		result = httpPOST("delayed/echo",
			"<llsd><string>agent99</string></llsd>", timeout);
		ensure_equals("timeout delayed/echo status", result, std::string(""));
	}
	template<> template<>
	void HTTPServiceTestObject::test<6>()
	{
		// test delayed service		
		std::string result;
		
		result = httpPOST("delayed/echo",
			"<llsd><string>agent99</string></llsd>");
			
		ensure_starts_with("delayed/echo status", result,
			"HTTP/1.0 200 OKrn");
						
		ensure_contains("delayed/echo content", result,
			"rn"
			"<llsd><string>agent99</string></llsd>"
			);
	}
	template<> template<>
	void HTTPServiceTestObject::test<7>()
	{
		// test large request
		std::stringstream stream;
		//U32 size = 36 * 1024 * 1024;
		//U32 size = 36 * 1024;
		//std::vector<char> data(size);
		//memset(&(data[0]), '1', size);
		//data[size - 1] = '';
		
		//std::string result = httpPOST("web/echo", &(data[0]));
		stream << "<llsd><array>";
		for(U32 i = 0; i < 1000000; ++i)
		{
			stream << "<integer>42</integer>";
		}
		stream << "</array></llsd>";
		llinfos << "HTTPServiceTestObject::test<7>"
				<< stream.str().length() << llendl;
		std::string result = httpPOST("web/echo", stream.str());
		ensure_starts_with("large echo status", result, "HTTP/1.0 200 OKrn");
	}
	template<> template<>
	void HTTPServiceTestObject::test<8>()
	{
		// test the OPTIONS http method -- the default implementation
		// should return the X-Documentation-URL
		std::ostringstream http_request;
		http_request << "OPTIONS /  HTTP/1.0rnHost: localhostrnrn";
		bool timeout = false;
		std::string result = makeRequest("/", http_request.str(), timeout);
		ensure_starts_with("OPTIONS verb ok", result, "HTTP/1.0 200 OKrn");
		ensure_contains(
			"Doc url header exists",
			result,
			"X-Documentation-URL: http://localhost");
	}
	/* TO DO:
		test generation of not found and method not allowed errors
	*/
}

						