Files
OpenSpace/modules/base/rendering/suntexturemanager.cpp
2019-05-29 11:36:23 -04:00

243 lines
10 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2019 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/base/rendering/suntexturemanager.h>
#include <openspace/util/timemanager.h>
#include <openspace/engine/globals.h>
#include <modules/fitsfilereader/include/fitsfilereader.h>
#include <openspace/util/httprequest.h>
#include <modules/sync/syncs/httpsynchronization.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/logging/logmanager.h>
#include <modules/base/basemodule.h>
namespace {
constexpr const char* _loggerCat = "SunTextureManager";
} // namespace
namespace openspace {
SunTextureManager::SunTextureManager(){
}
void SunTextureManager::update(std::unique_ptr<ghoul::opengl::Texture>& texture){
std::string current = getOpenSpaceDateTime();
if(_counter == 200){ // first time
std::string next = checkNextTextureId(current, 1);
if(next != "Not found!"){
startDownloadTexture(next);
uploadTextureFromName(next);
}
}
// check if there's a texture for the current timestamp (minute)
else if((_activeTextureDate != current) && (_textureListGPU.find(current) != _textureListGPU.end()) ){
LERROR("switching to texture with id: " + current);
_textureListGPU[_activeTextureDate] = std::move(texture);
texture = std::move(_textureListGPU[current]);
_activeTextureDate = current;
float dir = global::timeManager.deltaTime();
std::string next = checkNextTextureId(current, dir);
LERROR("next is = " + next);
//do nothing if Not found is returned
if(next != "Not found!"){
startDownloadTexture(next);
uploadTextureFromName(next);
}
}
_counter++;
// if(_counter == 1000){
// LERROR(_texturePath);
// LERROR("just before thread starts");
// _dldthread = std::thread([this](){this->startDownloadTexture();});
//
// }
// //LERROR("just after thread starts");
//
// if(_counter == 1200){
// if(_dldthread.joinable()){
// LERROR("it's joinable. counter: " + std::to_string(_counter));
// _dldthread.join();
// startUploadTexture();
// }
// }
}
// not using this right now
void SunTextureManager::initialDownloadBatch(){
// check what files we have in the synd directory
checkFilesInDirectory();
std::string current = getOpenSpaceDateTime();
//fetch a list of the textures we need, based on openspace time, from our server
//this is a fake list of textures, which is a sub part of the file we have on disk. namely 500 of them
std::vector<std::string> texturesNeeded;
std::copy(_textureListDisk.begin() + 200, _textureListDisk.begin() + 600 + 1, std::back_inserter(texturesNeeded));
//compare this list to the list of files we have.
// we want to download the files that we don't have already
// aka we don't want to download the files we have
std::sort(_textureListDisk.begin(), _textureListDisk.end());
std::sort(texturesNeeded.begin(), texturesNeeded.end());
std::vector<std::string> texturesToDownload;
std::set_difference(texturesNeeded.begin(), texturesNeeded.end(), _textureListDisk.begin(), _textureListDisk.end(),
std::inserter(texturesToDownload, texturesToDownload.begin()));
for(auto textureId : texturesToDownload){
startDownloadTexture(textureId);
}
}
void SunTextureManager::startDownloadTexture(std::string textureId){
std::string url = "http://localhost:3000/get/" + textureId;
std::string destinationpath = absPath("../../../../../sync/magnetograms/" + textureId);
AsyncHttpFileDownload ashd = AsyncHttpFileDownload(url, destinationpath, HttpFileDownload::Overwrite::Yes);
HttpRequest::RequestOptions opt = {};
opt.requestTimeoutSeconds = 0;
ashd.start(opt);
ashd.wait();
LERROR("Texture " + textureId + " downloaded to disk" );
}
std::string SunTextureManager::checkNextTextureId(std::string current, float dir){
SyncHttpMemoryDownload mmryDld = SyncHttpMemoryDownload("http://localhost:3000/getmenextfitsimage/" + current + "/" + std::to_string(dir));
HttpRequest::RequestOptions opt = {};
opt.requestTimeoutSeconds = 0;
mmryDld.download(opt);
std::string s;
std::transform(mmryDld.downloadedData().begin(), mmryDld.downloadedData().end(), std::back_inserter(s),
[](char c) {
return c;
});
return s;
}
void SunTextureManager::startUploadTextures(){
checkFilesInDirectory();
uploadTexturesFromList(_textureListDisk);
}
void SunTextureManager::checkFilesInDirectory(){
const std::string fitsDir = "../../../../../sync/magnetograms/"; //Mac
//const std::string fitsDir = "../../sync/magnetograms/"; //PC
_textureListDisk = ghoul::filesystem::Directory(fitsDir).readFiles();
//remove annoying mac file. might want to use a different strategy here
_textureListDisk.erase(std::remove(_textureListDisk.begin(), _textureListDisk.end(), ".DS_STORE"), _textureListDisk.end());
}
void SunTextureManager::uploadTextureFromName(std::string filename){
FitsFileReader fitsFileReader(false);
const auto tempBild = fitsFileReader.readImageFloat("../../../../../sync/magnetograms/" + filename);
std::string dateID = parseMagnetogramDate(*fitsFileReader.readHeaderValueString("DATE"));
const float stdvalue = *fitsFileReader.readHeaderValueFloat("IMGRMS01");
std::vector<float> fitsImage;
for(float c : tempBild->contents){
fitsImage.push_back((c+stdvalue)/stdvalue);
}
LERROR("laddar upp texture till GPU med id: " + dateID);
auto textureFits = std::make_unique<ghoul::opengl::Texture>(fitsImage.data(), glm::vec3(360, 180, 1),ghoul::opengl::Texture::Format::Red, GL_R32F,GL_FLOAT);
textureFits->uploadTexture();
_textureQueueGPU.push(dateID);
_textureListGPU[dateID] = std::move(textureFits);
trimGPUList();
}
void SunTextureManager::uploadTexturesFromList(std::vector<std::string>& filelist){
LERROR("antal filer: " + std::to_string(filelist.size()));
for (const auto & entry : filelist) {
uploadTextureFromName(entry);
}
LERROR("Laddat upp texturerna till GPU:n");
}
std::string SunTextureManager::getOpenSpaceDateTime(){
std:: string datetime = global::timeManager.time().ISO8601();
datetime.erase(4, 1);
datetime.erase(6, 1);
datetime.erase(8, 1);
datetime.erase(10, 1);
datetime.erase(12);
return datetime;
}
std::string SunTextureManager::parseMagnetogramDate(std::string name){
std::string dateID;
int magicalCounter = 0;
for (char c : name) {
if (std::isdigit(c)) {
if (magicalCounter >= 0 && magicalCounter < 12) {
dateID += c;
}
magicalCounter++;
}
}
return dateID;
}
void SunTextureManager::trimGPUList(){
if(_textureQueueGPU.size() > _maxTexturesOnGPU){
std::string dateId = _textureQueueGPU.front();
_textureQueueGPU.pop();
LERROR("popped dateId : " + dateId);
_textureListGPU.at(dateId).release();
//BaseModule::TextureManager.release(_textureListGPU.at(dateId).get());
_textureListGPU.erase(dateId);
}
}
}