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/**
* @file llappcorehttp.h
* @brief Singleton initialization/shutdown class for llcorehttp library
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012-2013, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef _LL_APP_COREHTTP_H_
#define _LL_APP_COREHTTP_H_
#include "httprequest.h"
#include "httphandler.h"
#include "httpresponse.h"
// This class manages the lifecyle of the core http library.
// Slightly different style than traditional code but reflects
// the use of handler classes and light-weight interface
// object instances of the new libraries. To be used
// as a singleton and static construction is fine.
class LLAppCoreHttp : public LLCore::HttpHandler
{
public:
typedef LLCore::HttpRequest::policy_t policy_t;
enum EAppPolicy
{
AP_DEFAULT,
AP_TEXTURE,
AP_MESH1,
AP_MESH2,
AP_LARGE_MESH,
AP_UPLOADS,
AP_COUNT // Must be last
};
public:
LLAppCoreHttp();
~LLAppCoreHttp();
// Initialize the LLCore::HTTP library creating service classes
// and starting the servicing thread. Caller is expected to do
// other initializations (SSL mutex, thread hash function) appropriate
// for the application.
void init();
// Request that the servicing thread stop servicing requests,
// release resource references and stop. Request is asynchronous
// and @see cleanup() will perform a limited wait loop for this
// request to stop the thread.
void requestStop();
// Terminate LLCore::HTTP library services. Caller is expected
// to have made a best-effort to shutdown the servicing thread
// by issuing a requestThreadStop() and waiting for completion
// notification that the stop has completed.
void cleanup();
// Notification when the stop request is complete.
virtual void onCompleted(LLCore::HttpHandle handle, LLCore::HttpResponse * response);
// Retrieve a policy class identifier for desired
// application function.
policy_t getPolicy(EAppPolicy policy) const
{
return mPolicies[policy];
}
// Apply initial or new settings from the environment.
void refreshSettings(bool initial);
private:
static const F64 MAX_THREAD_WAIT_TIME;
private:
LLCore::HttpRequest * mRequest; // Request queue to issue shutdowns
LLCore::HttpHandle mStopHandle;
F64 mStopRequested;
bool mStopped;
policy_t mPolicies[AP_COUNT]; // Policy class id for each connection set
U32 mSettings[AP_COUNT];
boost::signals2::connection mSettingsSignal[AP_COUNT]; // Signals to global settings that affect us
};
#endif // _LL_APP_COREHTTP_H_
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