/// <summary>
/// Must be called from the Cloud Master. Syncs Cloud master with all cloud servers
/// </summary>
public static string ServerSync()
{
// Get the current data version
string toVersionString = string.Empty;
AndroAdminDataAccessFactory.GetSettingsDAO().GetByName("DataVersion", out toVersionString);
int toVersion = 0;
if (!int.TryParse(toVersionString, out toVersion))
{
return("Internal error");
}
// Get all the hosts
IList <AndroAdminDataAccess.Domain.Host> hosts = AndroAdminDataAccessFactory
.GetHostDAO()
.GetAll();
string errorMessage = string.Empty;
foreach (AndroAdminDataAccess.Domain.Host host in hosts)
{
// 1) Ask the server for it's current data version
int fromVersion = 0;
errorMessage = AcsSyncHelper.GetAcsServerDataVersion(host, out fromVersion);
//todo make the response enumerable
//yield errorMessage
if (errorMessage.Length == 0)
{
// 2) Generate a block of XML that contains Add, Delete, Update objects that have changed on Cloud Master after the Cloud Servers version for:
string syncXml = string.Empty;
errorMessage = AndroAdminSyncHelper.TryGetExportSyncXml(fromVersion, toVersion, out syncXml);
if (errorMessage.Length != 0)
{
return(errorMessage);
}
// 3) Send sync XML to Cloud Server. Cloud server returns a list of logs and audit data which have occurred since the last update.
errorMessage = AcsSyncHelper.SyncAcsServer(host, syncXml);
if (errorMessage.Length != 0)
{
return(errorMessage);
}
// 4) Insert logs/audit data into Cloud Master.
// Run out of time - future task
}
}
return(errorMessage);
}
