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BUG#: 9162
TITLE:  WSMAN subscription support (pep358)
DESCRIPTION: Added support for WSMAN subscriptions

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// this work for additional information regarding copyright ownership.
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#ifndef Pegasus_WsmRequestDecoder_h
#define Pegasus_WsmRequestDecoder_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/MessageQueue.h>
#include <Pegasus/Common/HTTPMessage.h>
#include <Pegasus/Common/AcceptLanguageList.h>
#include <Pegasus/Common/ContentLanguageList.h>
#include <Pegasus/WsmServer/WsmRequest.h>

PEGASUS_NAMESPACE_BEGIN

class WsmReader;
class WsmProcessor;

/** This class decodes WS-Man operation requests and passes them down-stream.
 */
class WsmRequestDecoder : public MessageQueue
{
public:

    WsmRequestDecoder(WsmProcessor* wsmProcessor);

    ~WsmRequestDecoder();

    void sendResponse(
        Uint32 queueId,
        Buffer& message,
        Boolean httpCloseConnect = false);

    void sendHttpError(
        Uint32 queueId,
        const String& status,
        const String& cimError = String::EMPTY,
        const String& messageBody = String::EMPTY,
        Boolean httpCloseConnect = false);

    virtual void handleEnqueue(Message *);

    virtual void handleEnqueue();

    void handleHTTPMessage(HTTPMessage* httpMessage);

    void handleWsmMessage(
        Uint32 queueId,
        HttpMethod httpMethod,
        char* content,
        Uint32 contentLength,
        String& soapAction,
        const String& authType,
        const String& userName,
        const String& ipAddress,
        const AcceptLanguageList& httpAcceptLanguages,
        const ContentLanguageList& httpContentLanguages,
        Boolean httpCloseConnect,
        Boolean omitXMLProcessingInstruction);

    // Sets the flag to indicate whether or not the CIMServer is shutting down.
    void setServerTerminating(Boolean flag) { _serverTerminating = flag; }

    WsmRequest* _decodeWSInvoke(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr,
        const String& className,
        const String& methodName);

    void getFilterOrHandlerEPR(
        WsmEndpointReference& instanceEPR,
        const String address,
        const String instanceName,
        const String className);
    
private:

    void _checkRequiredHeader(
        const char* headerName,
        Boolean headerSpecified);

    void _checkNoSelectorsEPR(const WsmEndpointReference& epr);

    WxfGetRequest* _decodeWSTransferGet(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr);

    WxfPutRequest* _decodeWSTransferPut(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr);

    WxfCreateRequest* _decodeWSTransferCreate(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr);

    WxfDeleteRequest* _decodeWSTransferDelete(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr);

    WsenEnumerateRequest* _decodeWSEnumerationEnumerate(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr,
        Boolean requestItemCount);

    WsenPullRequest* _decodeWSEnumerationPull(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr,
        Boolean requestItemCount);

    WsenReleaseRequest* _decodeWSEnumerationRelease(
        WsmReader& wsmReader,
        const String& messageId,
        const WsmEndpointReference& epr);

    WsmRequest* _decodeWSSubscriptionRequest(
        WsmReader& wsmReader,
        const String& messageId,
        WsmEndpointReference& epr,
        AutoPtr<WsmRequest> &createHandlerRequest,
        AutoPtr<WsmRequest> &createSubRequest,
        Boolean &createFilter);

    WsmRequest* _decodeWSUnsubscribeRequest(
        WsmReader& wsmReader,
        const String& messageId,
        WsmEndpointReference& epr,
        const String& identifier,
        Boolean & deleteFilter,
        AutoPtr<WsmRequest> &deleteFilterRequest,
        AutoPtr<WsmRequest> &deleteHandlerRequest);

    bool _isIdentifyRequest(WsmReader& wsmReader);

    void _sendIdentifyResponse(Uint32 queueId);

    void _copyRequestProperties(
        WsmRequest *request,
        const WsmRequest *originalRequest);
    // The queue to which to forward the decoded WsmRequests.
    WsmProcessor* _wsmProcessor;

    // Flag to indicate whether or not the CIMServer is shutting down.
    Boolean _serverTerminating;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_WsmRequestDecoder_h */