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Merge pull request #1512 from ey6es/retryagain

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After failing to download textures or geometry, retry again after increasing delays.
This commit is contained in:
Philip Rosedale 2014-01-13 17:44:18 -08:00
commit a8bbe41642
4 changed files with 61 additions and 18 deletions
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32
interface/src/renderer/GeometryCache.cpp
View file

@ -251,18 +251,16 @@ QSharedPointer<NetworkGeometry> GeometryCache::getGeometry(const QUrl& url) {
}
NetworkGeometry::NetworkGeometry(const QUrl& url) :
_modelRequest(url),
_modelReply(NULL),
_mappingReply(NULL)
_mappingReply(NULL),
_attempts(0)
{
if (!url.isValid()) {
return;
}
QNetworkRequest modelRequest(url);
modelRequest.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
_modelReply = Application::getInstance()->getNetworkAccessManager()->get(modelRequest);
connect(_modelReply, SIGNAL(downloadProgress(qint64,qint64)), SLOT(maybeReadModelWithMapping()));
connect(_modelReply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(handleModelReplyError()));
_modelRequest.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
makeModelRequest();
QUrl mappingURL = url;
QString path = url.path();
@ -312,12 +310,30 @@ glm::vec4 NetworkGeometry::computeAverageColor() const {
return (totalTriangles == 0) ? glm::vec4(1.0f, 1.0f, 1.0f, 1.0f) : totalColor / totalTriangles;
}
void NetworkGeometry::makeModelRequest() {
_modelReply = Application::getInstance()->getNetworkAccessManager()->get(_modelRequest);
connect(_modelReply, SIGNAL(downloadProgress(qint64,qint64)), SLOT(maybeReadModelWithMapping()));
connect(_modelReply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(handleModelReplyError()));
}
void NetworkGeometry::handleModelReplyError() {
qDebug() << _modelReply->errorString() << "\n";
QDebug debug = qDebug() << _modelReply->errorString();
_modelReply->disconnect(this);
_modelReply->deleteLater();
_modelReply = NULL;
// retry with increasing delays
const int MAX_ATTEMPTS = 8;
const int BASE_DELAY_MS = 1000;
if (++_attempts < MAX_ATTEMPTS) {
QTimer::singleShot(BASE_DELAY_MS * (int)pow(2.0, _attempts), this, SLOT(makeModelRequest()));
debug << " -- retrying...\n";
} else {
debug << "\n";
}
}
void NetworkGeometry::handleMappingReplyError() {

4
interface/src/renderer/GeometryCache.h
View file

@ -10,6 +10,7 @@
#define __interface__GeometryCache__
#include <QHash>
#include <QNetworkRequest>
#include <QObject>
#include <QSharedPointer>
#include <QWeakPointer>
@ -67,15 +68,18 @@ public:
private slots:
void makeModelRequest();
void handleModelReplyError();
void handleMappingReplyError();
void maybeReadModelWithMapping();
private:
QNetworkRequest _modelRequest;
QNetworkReply* _modelReply;
QNetworkReply* _mappingReply;
int _attempts;
FBXGeometry _geometry;
QVector<NetworkMesh> _meshes;
};

35
interface/src/renderer/TextureCache.cpp
View file

@ -252,16 +252,17 @@ Texture::~Texture() {
glDeleteTextures(1, &_id);
}
NetworkTexture::NetworkTexture(const QUrl& url, bool normalMap) : _reply(NULL), _averageColor(1.0f, 1.0f, 1.0f, 1.0f) {
NetworkTexture::NetworkTexture(const QUrl& url, bool normalMap) :
_request(url),
_reply(NULL),
_attempts(0),
_averageColor(1.0f, 1.0f, 1.0f, 1.0f) {
if (!url.isValid()) {
return;
}
QNetworkRequest request(url);
request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
_reply = Application::getInstance()->getNetworkAccessManager()->get(request);
connect(_reply, SIGNAL(downloadProgress(qint64,qint64)), SLOT(handleDownloadProgress(qint64,qint64)));
connect(_reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(handleReplyError()));
_request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
makeRequest();
// default to white/blue
glBindTexture(GL_TEXTURE_2D, getID());
@ -279,6 +280,13 @@ void NetworkTexture::imageLoaded(const QImage& image) {
// nothing by default
}
void NetworkTexture::makeRequest() {
_reply = Application::getInstance()->getNetworkAccessManager()->get(_request);
connect(_reply, SIGNAL(downloadProgress(qint64,qint64)), SLOT(handleDownloadProgress(qint64,qint64)));
connect(_reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(handleReplyError()));
}
void NetworkTexture::handleDownloadProgress(qint64 bytesReceived, qint64 bytesTotal) {
if (bytesReceived < bytesTotal && !_reply->isFinished()) {
return;
@ -314,11 +322,22 @@ void NetworkTexture::handleDownloadProgress(qint64 bytesReceived, qint64 bytesTo
}
void NetworkTexture::handleReplyError() {
qDebug() << _reply->errorString() << "\n";
QDebug debug = qDebug() << _reply->errorString();
_reply->disconnect(this);
_reply->deleteLater();
_reply = NULL;
// retry with increasing delays
const int MAX_ATTEMPTS = 8;
const int BASE_DELAY_MS = 1000;
if (++_attempts < MAX_ATTEMPTS) {
QTimer::singleShot(BASE_DELAY_MS * (int)pow(2.0, _attempts), this, SLOT(makeRequest()));
debug << " -- retrying...\n";
} else {
debug << "\n";
}
}
DilatableNetworkTexture::DilatableNetworkTexture(const QUrl& url, bool normalMap) :

8
interface/src/renderer/TextureCache.h
View file

@ -12,6 +12,7 @@
#include <QHash>
#include <QImage>
#include <QMap>
#include <QNetworkRequest>
#include <QObject>
#include <QSharedPointer>
#include <QWeakPointer>
@ -126,12 +127,15 @@ protected:
private slots:
void makeRequest();
void handleDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void handleReplyError();
private:
QNetworkRequest _request;
QNetworkReply* _reply;
int _attempts;
glm::vec4 _averageColor;
};