private void downloadVolumeToStorage(
VolumeVO volume, HostVO sserver, String url, String checkSum, ImageFormat format) {
boolean downloadJobExists = false;
VolumeHostVO volumeHost = null;
volumeHost = _volumeHostDao.findByHostVolume(sserver.getId(), volume.getId());
if (volumeHost == null) {
volumeHost =
new VolumeHostVO(
sserver.getId(),
volume.getId(),
sserver.getDataCenterId(),
new Date(),
0,
VMTemplateStorageResourceAssoc.Status.NOT_DOWNLOADED,
null,
null,
"jobid0000",
null,
url,
checkSum,
format);
_volumeHostDao.persist(volumeHost);
} else if ((volumeHost.getJobId() != null) && (volumeHost.getJobId().length() > 2)) {
downloadJobExists = true;
}
Long maxVolumeSizeInBytes = getMaxVolumeSizeInBytes();
String secUrl = sserver.getStorageUrl();
if (volumeHost != null) {
start();
DownloadCommand dcmd =
new DownloadCommand(secUrl, volume, maxVolumeSizeInBytes, checkSum, url, format);
if (downloadJobExists) {
dcmd = new DownloadProgressCommand(dcmd, volumeHost.getJobId(), RequestType.GET_OR_RESTART);
dcmd.setResourceType(ResourceType.VOLUME);
}
dcmd.setProxy(getHttpProxy());
HostVO ssvm = _ssvmMgr.pickSsvmHost(sserver);
if (ssvm == null) {
s_logger.warn(
"There is no secondary storage VM for secondary storage host " + sserver.getName());
return;
}
DownloadListener dl =
new DownloadListener(
ssvm,
sserver,
volume,
_timer,
_volumeHostDao,
volumeHost.getId(),
this,
dcmd,
_volumeDao,
_storageMgr,
_resourceLimitMgr,
_alertMgr,
_accountMgr);
if (downloadJobExists) {
dl.setCurrState(volumeHost.getDownloadState());
}
DownloadListener old = null;
synchronized (_listenerVolumeMap) {
old = _listenerVolumeMap.put(volumeHost, dl);
}
if (old != null) {
old.abandon();
}
try {
send(ssvm.getId(), dcmd, dl);
} catch (AgentUnavailableException e) {
s_logger.warn(
"Unable to start /resume download of volume "
+ volume.getName()
+ " to "
+ sserver.getName(),
e);
dl.setDisconnected();
dl.scheduleStatusCheck(RequestType.GET_OR_RESTART);
}
}
}
