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Attempt to recover from network failures

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QNetworkAccessManager which is  used for all network  traffic does not
automatically  recover  from  network  outages. This  patch  tries  to
reestablish network accessibility before any requests are attempted.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6471 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Bill Somerville 2016-02-20 12:55:18 +00:00
parent ad50294454
commit 2994a924e5
3 changed files with 22 additions and 7 deletions
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5
DisplayManual.cpp
View File

@ -49,6 +49,11 @@ public:
void display (QUrl const& url, QString const& name_we)
{
if (QNetworkAccessManager::Accessible != qnam_->networkAccessible ()) {
// try and recover network access for QNAM
qnam_->setNetworkAccessible (QNetworkAccessManager::Accessible);
}
// try and find a localized manual
auto lang = QLocale::system ().name ();
// try for language and country first

5
SampleDownloader/RemoteFile.cpp
View File

@ -109,6 +109,11 @@ bool RemoteFile::sync (QUrl const& url, bool local, bool force)
void RemoteFile::download (QUrl const& url)
{
if (QNetworkAccessManager::Accessible != network_manager_->networkAccessible ()) {
// try and recover network access for QNAM
network_manager_->setNetworkAccessible (QNetworkAccessManager::Accessible);
}
QNetworkRequest request {url};
request.setRawHeader ("User-Agent", "WSJT Sample Downloader");
request.setOriginatingObject (this);

19
wsprnet.cpp
View File

@ -207,14 +207,18 @@ QString WSPRNet::urlEncodeSpot(QHash<QString,QString> const& query)
void WSPRNet::work()
{
if (!urlQueue.isEmpty()) {
QUrl url(urlQueue.dequeue());
QNetworkRequest request(url);
m_outstandingRequests << networkManager->get(request);
emit uploadStatus(QString {"Uploading Spot %1/%2"}.arg (m_urlQueueSize - urlQueue.size()).arg (m_urlQueueSize));
} else {
uploadTimer->stop();
if (!urlQueue.isEmpty()) {
if (QNetworkAccessManager::Accessible != networkManager->networkAccessible ()) {
// try and recover network access for QNAM
networkManager->setNetworkAccessible (QNetworkAccessManager::Accessible);
}
QUrl url(urlQueue.dequeue());
QNetworkRequest request(url);
m_outstandingRequests << networkManager->get(request);
emit uploadStatus(QString {"Uploading Spot %1/%2"}.arg (m_urlQueueSize - urlQueue.size()).arg (m_urlQueueSize));
} else {
uploadTimer->stop();
}
}
void WSPRNet::abortOutstandingRequests () {
@ -222,4 +226,5 @@ void WSPRNet::abortOutstandingRequests () {
for (auto& request : m_outstandingRequests) {
request->abort ();
}
m_urlQueueSize = 0;
}