public void Process(UnicornSyncBeginPipelineArgs args)
{
var serializationProvider = args.Configuration.Resolve <ISerializationProvider>();
var logger = args.Configuration.Resolve <ILogger>();
var remotingSerializationProvider = serializationProvider as IRemotingSerializationProvider;
if (remotingSerializationProvider == null)
{
return;
}
// get package
if (string.IsNullOrWhiteSpace(remotingSerializationProvider.RemoteUrl))
{
logger.Error("Remoting URL was not set on " + remotingSerializationProvider.GetType().Name + "; cannot update remote.");
args.AbortPipeline();
return;
}
if (HttpContext.Current != null && HttpContext.Current.Request.Url.Host.Equals(new Uri(remotingSerializationProvider.RemoteUrl).Host, StringComparison.OrdinalIgnoreCase))
{
logger.Warn("Remoting: Remote URL was local instance - skipping this configuration as it is by definition already synced.");
args.SyncIsHandled = true;
return;
}
var lastLoaded = GetLastLoadedTime(args.Configuration.Name);
// if you pass the force parameter, we do not use the history engine differential sync
if (remotingSerializationProvider.DisableDifferentialSync || (HttpContext.Current != null && HttpContext.Current.Request.QueryString["force"] != null))
{
lastLoaded = _unsyncedDateTimeValue;
}
var url = string.Format("{0}?c={1}&ts={2}", remotingSerializationProvider.RemoteUrl, args.Configuration.Name, lastLoaded);
var webClient = new SuperWebClient();
// TODO; add signature to request
RemotingPackage package = null;
try
{
logger.Info("Remoting: Downloading updated items from {0} newer than {1}".FormatWith(remotingSerializationProvider.RemoteUrl, lastLoaded.ToLocalTime()));
var tempFileName = HostingEnvironment.MapPath("~/temp/" + Guid.NewGuid() + ".zip");
try
{
webClient.DownloadFile(url, tempFileName);
using (var stream = File.OpenRead(tempFileName))
{
package = RemotingPackage.FromStream(stream);
}
}
finally
{
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
}
WritePackageToProvider(package, args.Configuration);
if (package.Manifest.Strategy == RemotingStrategy.Differential)
{
logger.Info("Remoting: received differential package with {0} changes. Replaying instead of sync.".FormatWith(package.Manifest.HistoryEntries.Length));
var replayer = new DifferentialPackageReplayer(package);
if (!replayer.Replay(logger))
{
logger.Error("Remoting package replay signalled an error. Aborting.");
args.AbortPipeline();
return;
}
else
{
args.SyncIsHandled = true;
}
}
else
{
logger.Info("Remoting: received full package from remote. Deployed and executing sync.");
}
SetLastLoadedTime(args.Configuration.Name, package.Manifest.LastSynchronized);
}
finally
{
// clean up temp files
if (package != null)
{
package.Dispose();
}
}
}
public void Process(UnicornSyncBeginPipelineArgs args)
{
var serializationProvider = args.Configuration.Resolve<ISerializationProvider>();
var logger = args.Configuration.Resolve<ILogger>();
var remotingSerializationProvider = serializationProvider as IRemotingSerializationProvider;
if (remotingSerializationProvider == null) return;
// get package
if (string.IsNullOrWhiteSpace(remotingSerializationProvider.RemoteUrl))
{
logger.Error("Remoting URL was not set on " + remotingSerializationProvider.GetType().Name + "; cannot update remote.");
args.AbortPipeline();
return;
}
if (HttpContext.Current != null && HttpContext.Current.Request.Url.Host.Equals(new Uri(remotingSerializationProvider.RemoteUrl).Host, StringComparison.OrdinalIgnoreCase))
{
logger.Warn("Remoting: Remote URL was local instance - skipping this configuration as it is by definition already synced.");
args.SyncIsHandled = true;
return;
}
var lastLoaded = GetLastLoadedTime(args.Configuration.Name);
// if you pass the force parameter, we do not use the history engine differential sync
if (remotingSerializationProvider.DisableDifferentialSync || (HttpContext.Current != null && HttpContext.Current.Request.QueryString["force"] != null))
{
lastLoaded = _unsyncedDateTimeValue;
}
var url = string.Format("{0}?c={1}&ts={2}", remotingSerializationProvider.RemoteUrl, args.Configuration.Name, lastLoaded);
var webClient = new SuperWebClient();
// TODO; add signature to request
RemotingPackage package = null;
try
{
logger.Info("Remoting: Downloading updated items from {0} newer than {1}".FormatWith(remotingSerializationProvider.RemoteUrl, lastLoaded.ToLocalTime()));
var tempFileName = HostingEnvironment.MapPath("~/temp/" + Guid.NewGuid() + ".zip");
try
{
webClient.DownloadFile(url, tempFileName);
using (var stream = File.OpenRead(tempFileName))
{
package = RemotingPackage.FromStream(stream);
}
}
finally
{
if (File.Exists(tempFileName)) File.Delete(tempFileName);
}
WritePackageToProvider(package, args.Configuration);
if (package.Manifest.Strategy == RemotingStrategy.Differential)
{
logger.Info("Remoting: received differential package with {0} changes. Replaying instead of sync.".FormatWith(package.Manifest.HistoryEntries.Length));
var replayer = new DifferentialPackageReplayer(package);
if (!replayer.Replay(logger))
{
logger.Error("Remoting package replay signalled an error. Aborting.");
args.AbortPipeline();
return;
}
else args.SyncIsHandled = true;
}
else
{
logger.Info("Remoting: received full package from remote. Deployed and executing sync.");
}
SetLastLoadedTime(args.Configuration.Name, package.Manifest.LastSynchronized);
}
finally
{
// clean up temp files
if(package != null) package.Dispose();
}
}
