/// <summary>
/// Takes a hashmap of string -> hashmap (ie XenAPI ref -> record)
///
/// Internally convert record to an S (ie a Proxy_VM etc) then uses
/// that to create a new T (ie a VM) via UpdateFrom
///
/// returns ie a dict ((ref VM) -> VM)
/// </summary>
/// <typeparam name="S"></typeparam>
/// <param name="o">May not be null.</param>
/// <returns></returns>
public static Dictionary <XenRef <T>, T> Create <S>(Object o)
{
if (o == null)
{
throw new ArgumentNullException("o");
}
Hashtable dict = (Hashtable)o;
Dictionary <XenRef <T>, T> result = new Dictionary <XenRef <T>, T>();
foreach (Object key in dict.Keys)
{
XenRef <T> t_ref = new XenRef <T>((String)key);
Hashtable t_record = (Hashtable)dict[key];
result[t_ref] = (T)Marshalling.convertStruct(typeof(T), t_record);
}
return(result);
}
/// <summary>
/// Given a Hashtable with field-value pairs, it updates the fields of this Probe_result
/// with the values listed in the Hashtable. Note that only the fields contained
/// in the Hashtable will be updated and the rest will remain the same.
/// </summary>
/// <param name="table"></param>
public void UpdateFrom(Hashtable table)
{
if (table.ContainsKey("configuration"))
{
configuration = Maps.convert_from_proxy_string_string(Marshalling.ParseHashTable(table, "configuration"));
}
if (table.ContainsKey("complete"))
{
complete = Marshalling.ParseBool(table, "complete");
}
if (table.ContainsKey("sr"))
{
sr = (Sr_stat)Marshalling.convertStruct(typeof(Sr_stat), Marshalling.ParseHashTable(table, "sr"));
}
;
if (table.ContainsKey("extra_info"))
{
extra_info = Maps.convert_from_proxy_string_string(Marshalling.ParseHashTable(table, "extra_info"));
}
}
/// <summary>
/// Returns null if we get an event we're not interested in, or an unparseable event (e.g. for an object type we don't know about).
/// </summary>
/// <param name="proxyEvent"></param>
/// <returns></returns>
private static ObjectChange ProcessEvent(Proxy_Event proxyEvent)
{
switch (proxyEvent.class_.ToLowerInvariant())
{
case "session":
case "event":
case "vtpm":
case "user":
case "secret":
// We don't track events on these objects
return(null);
default:
Type typ = Marshalling.GetXenAPIType(proxyEvent.class_);
if (typ == null)
{
log.DebugFormat("Unknown {0} event for class {1}.", proxyEvent.operation, proxyEvent.class_);
return(null);
}
switch (proxyEvent.operation)
{
case "add":
case "mod":
return(new ObjectChange(typ, proxyEvent.opaqueRef, Marshalling.convertStruct(typ, (Hashtable)proxyEvent.snapshot)));
case "del":
return(new ObjectChange(typ, proxyEvent.opaqueRef, null));
default:
log.DebugFormat("Unknown event operation {0} for opaque ref {1}", proxyEvent.operation, proxyEvent.opaqueRef);
return(null);
}
}
}
