path: root/indra/newview/llavatarrenderinfoaccountant.cpp

/**
 * @file   llavatarrenderinfoaccountant.cpp
 * @author Dave Simmons
 * @date   2013-02-28
 * @brief  
 * 
 * $LicenseInfo:firstyear=2013&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 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
 * $/LicenseInfo$
 */

// Precompiled header
#include "llviewerprecompiledheaders.h"
// associated header
#include "llavatarrenderinfoaccountant.h"
#include "llavatarrendernotifier.h"
// STL headers
// std headers
// external library headers
// other Linden headers
#include "llcharacter.h"
#include "lltimer.h"
#include "llviewercontrol.h"
#include "llviewermenu.h"
#include "llviewerobjectlist.h"
#include "llviewerregion.h"
#include "llvoavatar.h"
#include "llworld.h"
#include "llhttpsdhandler.h"
#include "httpheaders.h"
#include "httpoptions.h"
#include "llcorehttputil.h"

static	const std::string KEY_AGENTS = "agents";			// map
static 	const std::string KEY_WEIGHT = "weight";			// integer
static 	const std::string KEY_TOO_COMPLEX  = "tooComplex";  // bool
static  const std::string KEY_OVER_COMPLEXITY_LIMIT = "overlimit";  // integer
static  const std::string KEY_REPORTING_COMPLEXITY_LIMIT = "reportinglimit";  // integer

static	const std::string KEY_IDENTIFIER = "identifier";
static	const std::string KEY_MESSAGE = "message";
static	const std::string KEY_ERROR = "error";

static const F32 SECS_BETWEEN_REGION_SCANS   =  5.f;		// Scan the region list every 5 seconds
static const F32 SECS_BETWEEN_REGION_REQUEST = 15.0;		// Look for new avs every 15 seconds
static const F32 SECS_BETWEEN_REGION_REPORTS = 60.0;		// Update each region every 60 seconds
	

//=========================================================================
LLAvatarRenderInfoAccountant::LLAvatarRenderInfoAccountant()
{
}

LLAvatarRenderInfoAccountant::~LLAvatarRenderInfoAccountant()
{
}


void LLAvatarRenderInfoAccountant::avatarRenderInfoGetCoro(std::string url, U64 regionHandle)
{
    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t 
        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("AvatarRenderInfoAccountant", httpPolicy));
    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);

    LLSD result = httpAdapter->getAndSuspend(httpRequest, url);

    LLViewerRegion * regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);
    if (!regionp)
    {
        LL_WARNS("AvatarRenderInfoAccountant") << "Avatar render weight info received but region not found for " 
                << regionHandle << LL_ENDL;
        return;
    }

    regionp->getRenderInfoRequestTimer().resetWithExpiry(SECS_BETWEEN_REGION_REQUEST);

    LLSD httpResults = result["http_result"];
    LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);

    if (!status)
    {
        LL_WARNS("AvatarRenderInfoAccountant") << "HTTP status, " << status.toTerseString() << LL_ENDL;
        return;
    }

    if (result.has(KEY_AGENTS))
    {
        const LLSD & avatar_render_info = result[KEY_AGENTS];
        if (avatar_render_info.isMap())
        {
            if (   avatar_render_info.has(KEY_REPORTING_COMPLEXITY_LIMIT)
                && avatar_render_info.has(KEY_OVER_COMPLEXITY_LIMIT))
            {
                U32 reporting = avatar_render_info[KEY_REPORTING_COMPLEXITY_LIMIT].asInteger();
                U32 overlimit = avatar_render_info[KEY_OVER_COMPLEXITY_LIMIT].asInteger();

                LL_DEBUGS("AvatarRenderInfo") << "complexity limit: "<<reporting<<" reporting, "<<overlimit<<" over limit"<<LL_ENDL;

                LLAvatarRenderNotifier::getInstance()->updateNotificationRegion(reporting, overlimit);
            }
                        
            if (avatar_render_info.has(KEY_AGENTS))
            {
                const LLSD & agents = avatar_render_info[KEY_AGENTS];
                if (agents.isMap())
                {
                    for (LLSD::map_const_iterator agent_iter = agents.beginMap();
                         agent_iter != agents.endMap();
                         agent_iter++
                         )
                    {
                        LLUUID target_agent_id = LLUUID(agent_iter->first);
                        LLViewerObject* avatarp = gObjectList.findObject(target_agent_id);
                        if (avatarp && avatarp->isAvatar())
                        {
                            const LLSD & agent_info_map = agent_iter->second;
                            if (agent_info_map.isMap())
                            {
                                LL_DEBUGS("AvatarRenderInfo") << " Agent " << target_agent_id 
                                                              << ": " << agent_info_map << LL_ENDL;

                                if (agent_info_map.has(KEY_WEIGHT))
                                {
                                    ((LLVOAvatar *) avatarp)->setReportedVisualComplexity(agent_info_map[KEY_WEIGHT].asInteger());
                                }
                            }
                            else
                            {
                                LL_WARNS("AvatarRenderInfo") << "agent entry invalid"
                                                             << " agent " << target_agent_id
                                                             << " map " << agent_info_map
                                                             << LL_ENDL;
                            }
                        }
                        else
                        {
                            LL_DEBUGS("AvatarRenderInfo") << "Unknown agent " << target_agent_id << LL_ENDL;
                        }
                    } // for agent_iter
                }
                else
                {
                    LL_WARNS("AvatarRenderInfo") << "malformed get response agents avatar_render_info is not map" << LL_ENDL;
                }
            }	// has "agents"
            else if (avatar_render_info.has(KEY_ERROR))
            {
                const LLSD & error = avatar_render_info[KEY_ERROR];
                LL_WARNS("AvatarRenderInfo") << "Avatar render info GET error: "
                                             << error[KEY_IDENTIFIER]
                                             << ": " << error[KEY_MESSAGE] 
                                             << LL_ENDL;
            }
            else
            {
                LL_WARNS("AvatarRenderInfo") << "no agent key in get response" << LL_ENDL;
            }
        }
        else
        {
            LL_WARNS("AvatarRenderInfo") << "malformed get response is not map" << LL_ENDL;
        }
    }	// has "agents"
    else if (result.has(KEY_ERROR))
    {
        const LLSD & error = result[KEY_ERROR];
        LL_WARNS() << "Avatar render info GET error: "
            << error[KEY_IDENTIFIER]
            << ": " << error[KEY_MESSAGE] 
            << " from region " << regionp->getName()
            << LL_ENDL;
    }

}

//-------------------------------------------------------------------------
void LLAvatarRenderInfoAccountant::avatarRenderInfoReportCoro(std::string url, U64 regionHandle)
{
    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("AvatarRenderInfoAccountant", httpPolicy));
    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);

    LLViewerRegion * regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);
    if (!regionp)
    {
        LL_WARNS("AvatarRenderInfoAccountant") << "Avatar render weight calculation but region not found for "
            << regionHandle << LL_ENDL;
        return;
    }

    LL_DEBUGS("AvatarRenderInfoAccountant")
        << "Sending avatar render info for region " << regionp->getName()
        << " to " << url << LL_ENDL;

    U32 num_avs = 0;
    // Build the render info to POST to the region
    LLSD agents = LLSD::emptyMap();
				
    std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
    while( iter != LLCharacter::sInstances.end() )
    {
        LLVOAvatar* avatar = dynamic_cast<LLVOAvatar*>(*iter);
        if (avatar &&
            avatar->getRezzedStatus() >= 2 &&					// Mostly rezzed (maybe without baked textures downloaded)
            !avatar->isDead() &&								// Not dead yet
            avatar->getObjectHost() == regionp->getHost())		// Ensure it's on the same region
        {
            avatar->calculateUpdateRenderComplexity();			// Make sure the numbers are up-to-date

            LLSD info = LLSD::emptyMap();
            U32 avatar_complexity = avatar->getVisualComplexity();
            if (avatar_complexity > 0)
            {
                // the weight/complexity is unsigned, but LLSD only stores signed integers,
                // so if it's over that (which would be ridiculously high), just store the maximum signed int value
                info[KEY_WEIGHT] = (S32)(avatar_complexity < S32_MAX ? avatar_complexity : S32_MAX);
                info[KEY_TOO_COMPLEX]  = LLSD::Boolean(avatar->isTooComplex());
                agents[avatar->getID().asString()] = info;

                LL_DEBUGS("AvatarRenderInfo") << "Sending avatar render info for " << avatar->getID()
                                              << ": " << info << LL_ENDL;
                num_avs++;
            }
        }
        iter++;
    }

    // Reset this regions timer, moving to longer intervals if there are lots of avatars around
    regionp->getRenderInfoReportTimer().resetWithExpiry(SECS_BETWEEN_REGION_REPORTS + (2.f * num_avs));

    if (num_avs == 0)
        return; // nothing to report
    
    LLSD report = LLSD::emptyMap();
    report[KEY_AGENTS] = agents;

    regionp = NULL;
    LLSD result = httpAdapter->postAndSuspend(httpRequest, url, report);

    regionp = LLWorld::getInstance()->getRegionFromHandle(regionHandle);
    if (!regionp)
    {
        LL_INFOS("AvatarRenderInfoAccountant") << "Avatar render weight POST result received but region not found for "
                << regionHandle << LL_ENDL;
        return;
    }

    LLSD httpResults = result["http_result"];
    LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);
    if (!status)
    {
        LL_WARNS("AvatarRenderInfoAccountant") << "HTTP status, " << status.toTerseString() << LL_ENDL;
        return;
    }

    if (result.isMap())
    {
        if (result.has(KEY_ERROR))
        {
            const LLSD & error = result[KEY_ERROR];
            LL_WARNS("AvatarRenderInfoAccountant") << "POST error: "
                << error[KEY_IDENTIFIER]
                << ": " << error[KEY_MESSAGE] 
                << " from region " << regionp->getName()
                << LL_ENDL;
        }
        else
        {
            LL_DEBUGS("AvatarRenderInfoAccountant")
                << "POST result for region " << regionp->getName()
                << ": " << result
                << LL_ENDL;
        }
    }
    else
    {
        LL_WARNS("AvatarRenderInfoAccountant") << "Malformed POST response from region '" << regionp->getName()
                                               << LL_ENDL;
    }
}

// Send request for avatar weights in one region
// called when the mRenderInfoScanTimer expires (forced when entering a new region)
void LLAvatarRenderInfoAccountant::sendRenderInfoToRegion(LLViewerRegion * regionp)
{
	std::string url = regionp->getCapability("AvatarRenderInfo");
	if (   !url.empty() // we have the capability
        && regionp->getRenderInfoReportTimer().hasExpired() // Time to make request)
        )
	{
        std::string coroname =
            LLCoros::instance().launch("LLAvatarRenderInfoAccountant::avatarRenderInfoReportCoro",
            boost::bind(&LLAvatarRenderInfoAccountant::avatarRenderInfoReportCoro, url, regionp->getHandle()));
	}
}

// Send request for avatar weights in one region
// called when the mRenderInfoScanTimer expires (forced when entering a new region)
void LLAvatarRenderInfoAccountant::getRenderInfoFromRegion(LLViewerRegion * regionp)
{
	std::string url = regionp->getCapability("AvatarRenderInfo");
	if (   !url.empty()
        && regionp->getRenderInfoRequestTimer().hasExpired()
        )
	{
        LL_DEBUGS("AvatarRenderInfo")
            << "Requesting avatar render info for region " << regionp->getName() 
            << " from " << url
            << LL_ENDL;

		// First send a request to get the latest data
        std::string coroname =
            LLCoros::instance().launch("LLAvatarRenderInfoAccountant::avatarRenderInfoGetCoro",
            boost::bind(&LLAvatarRenderInfoAccountant::avatarRenderInfoGetCoro, url, regionp->getHandle()));
	}
}

// static
// Called every frame - send render weight requests to every region
void LLAvatarRenderInfoAccountant::idle()
{
	if (mRenderInfoScanTimer.hasExpired())
	{
		LL_DEBUGS("AvatarRenderInfo") << "Scanning regions for render info updates"
									  << LL_ENDL;

		// Check all regions
		for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
			 iter != LLWorld::getInstance()->getRegionList().end();
			 ++iter)
		{
			LLViewerRegion* regionp = *iter;
			if (   regionp
				&& regionp->isAlive()
				&& regionp->capabilitiesReceived())
			{
				// each of these is further governed by and resets its own timer
				sendRenderInfoToRegion(regionp);
				getRenderInfoFromRegion(regionp);
			}
		}

		// We scanned all the regions, reset the request timer.
		mRenderInfoScanTimer.resetWithExpiry(SECS_BETWEEN_REGION_SCANS);
	}
}

void LLAvatarRenderInfoAccountant::resetRenderInfoScanTimer()
{
	// this will force the next frame to rescan
	mRenderInfoScanTimer.reset();
}

// static
// Called via LLViewerRegion::setCapabilitiesReceived() boost signals when the capabilities
// are returned for a new LLViewerRegion, and is the earliest time to get render info
void LLAvatarRenderInfoAccountant::scanNewRegion(const LLUUID& region_id)
{
	LL_INFOS("AvatarRenderInfo") << region_id << LL_ENDL;

	// Reset the global timer so it will scan regions on the next call to ::idle
	LLAvatarRenderInfoAccountant::getInstance()->resetRenderInfoScanTimer();
	
	LLViewerRegion* regionp = LLWorld::instance().getRegionFromID(region_id);
	if (regionp)
	{	// Reset the region's timers so we will:
		//  * request render info from it immediately
		//  * report on the following scan
		regionp->getRenderInfoRequestTimer().reset();
		regionp->getRenderInfoReportTimer().resetWithExpiry(SECS_BETWEEN_REGION_SCANS);
	}
	else
	{
		LL_WARNS("AvatarRenderInfo") << "unable to resolve region "<<region_id<<LL_ENDL;
	}
}