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/**
* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other *materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**/
#ifndef HTTP_GETZIP_FACTORY_H_
#define HTTP_GETZIP_FACTORY_H_
#include "net/socket/client_socket.h"
#include <sys/types.h>
#include "base/basictypes.h"
namespace net
{
//forward declarations
class HttpRequestHeaders;
class HttpResponseHeaders;
typedef enum
{
GETZIP_OK = 1,
REQUEST_RETRY_NEEDED = 2, //GETzip failure that requires last request retry
NULL_ARGUMENT = 3, //One of the passed argument was NULL
NO_GETZIP_CONNECTION = 4 //No GETzip connection was found
} GETZipDecompressionStatus;
//Main GetZip interface
class IGetZipManager
{
public:
IGetZipManager();
virtual void CompressRequestHeaders(HttpRequestHeaders&, ClientSocket*) = 0;
virtual GETZipDecompressionStatus
DecompressResponseHeaders(HttpResponseHeaders*, ClientSocket*) = 0;
virtual void StopGetZipConnection(ClientSocket*) = 0;
virtual void OpenGetZipConnection(ClientSocket*) = 0;
virtual ~IGetZipManager() = 0;
private:
DISALLOW_COPY_AND_ASSIGN(IGetZipManager);
};
//Simple, non private GetZip manager implementation
class GetZipManager: public IGetZipManager
{
public:
GetZipManager();
virtual ~GetZipManager()
{
}
;
virtual void CompressRequestHeaders(HttpRequestHeaders&, ClientSocket*)
{
}
;
virtual GETZipDecompressionStatus DecompressResponseHeaders(HttpResponseHeaders*, ClientSocket*)
{
return NO_GETZIP_CONNECTION;
}
;
virtual void StopGetZipConnection(ClientSocket*)
{
}
;
virtual void OpenGetZipConnection(ClientSocket*)
{
}
;
private:
DISALLOW_COPY_AND_ASSIGN(GetZipManager);
};
//This class is used to initialize GetZip manager
//First tries to initialize GetZipManager from proprietary library,
//if the library does not exist, creates GetZipManager
//Note: In the current implementation of network stack all the actions
//related to GetZipManager and GetZipFactory are carried out via IOThread
//hence, the implementation is not synchronized (this might change in the future).
class HttpGetZipFactory
{
public:
//GetZipManager is kept within HttpGetZipFactory,
//which is singleton.
//This method is used to access the GetZipManager
//Don't use it before initializing HttpGetZipFactory object.
static IGetZipManager* GetGETZipManager();
//Initialization must be called before accessing
//GetZipManager for the first time.
static void InitGETZipManager();
void StopGETZipManager();
private:
IGetZipManager* m_pMngr;
static HttpGetZipFactory* s_pFactory;
void* libHandle;
HttpGetZipFactory();
~HttpGetZipFactory();
DISALLOW_COPY_AND_ASSIGN(HttpGetZipFactory);
};
}; //end network
#endif /* HTTP_GETZIP_FACTORY_H_ */
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