/// <summary>
/// Replaces all placeholders (e.g. {$ip_address}, {$session_id} in the specified text for the specified obj.
/// Since ip_address can take several values over different Networks, this method returns a list of Uri for
/// each of the different IP addresses.
/// </summary>
/// <param name="text">The text that contains the placeholders to be replaced.</param>
/// <param name="obj">The object that the placeholder replacements are for.</param>
/// <returns>A List of Uris.</returns>
public static List <Uri> SubstituteUri(string uri, IXenObject obj)
{
Util.ThrowIfParameterNull(uri, "uri");
string ipAddressName = Enum.GetName(typeof(PropertyNames), PropertyNames.ip_address);
try
{
if (!uri.Contains(string.Format(PlaceholderFormat, ipAddressName)))
{
return(new List <Uri> {
new Uri(Substitute(uri, obj))
});
}
string u = Substitute(uri, obj, s => s != ipAddressName);
var ips = (List <ComparableAddress>)PropertyAccessors.Get(PropertyNames.ip_address)(obj);
if (ips == null || ips.Count == 0)
{
return(new List <Uri> {
new Uri(u)
});
}
return(ips.ConvertAll(ip => new Uri(u.Replace(string.Format(PlaceholderFormat, ipAddressName), ip.ToString()))));
}
catch (UriFormatException)
{
log.Warn(string.Format("Failed to parse url {0}", uri));
return(new List <Uri> {
new Uri("about:blank")
});
}
}
/// <summary>
/// Gets the replacement for the specified placeholder for the specified object.
/// </summary>
/// <param name="placeholder">The placeholder to be replaced.</param>
/// <param name="objs">The objects that the placeholder replacements are for.</param>
/// <param name="match">A predicate indicating whether the specified placeholder should be replaced.</param>
/// <returns>The replacement for the specified placeholder.</returns>
private static string GetPlaceholderReplacement(string placeholder, IList <IXenObject> objs, Predicate <string> match)
{
if (match(placeholder))
{
if (objs == null || objs.Count == 0)
{
return(NULL_PLACEHOLDER_KEY);
}
if (objs.Count > 1)
{
return(MULTI_TARGET_PLACEHOLDER_KEY);
}
if (placeholder == "session_id")
{
if (objs[0].Connection == null || objs[0].Connection.Session == null)
{
return(NULL_PLACEHOLDER_KEY);
}
return(objs[0].Connection.Session.uuid);
}
else
{
// otherwise update url with the latest info
PropertyNames property = (PropertyNames)Enum.Parse(typeof(PropertyNames), placeholder);
object val = PropertyAccessors.Get(property)(objs[0]);
return(val != null?val.ToString() : NULL_PLACEHOLDER_KEY);
}
}
return(null);
}
/// <summary>
/// Replaces all placeholders (e.g. {$ip_address}, {$session_id} in the specified text for the specified obj.
/// Since ip_address can take several values over different Networks, this method returns a list of Uri for
/// each of the different IP addresses.
/// </summary>
/// <param name="uri">The text that contains the placeholders to be replaced.</param>
/// <param name="obj">The object that the placeholder replacements are for.</param>
/// <returns>A List of Uris.</returns>
public static List <Uri> SubstituteUri(string uri, IXenObject obj)
{
Util.ThrowIfParameterNull(uri, "uri");
string ipAddressName = Enum.GetName(typeof(PropertyNames), PropertyNames.ip_address);
try
{
if (!uri.Contains(string.Format(PlaceholderFormat, ipAddressName)))
{
return new List <Uri> {
new Uri(Substitute(uri, obj))
}
}
;
var ips = (List <ComparableAddress>)PropertyAccessors.Get(PropertyNames.ip_address)(obj);
if (ips == null || ips.Count == 0)
{
log.DebugFormat("Object {0} (opaque_ref {1}) has no IPs.", obj.Name(), obj.opaque_ref);
return(new List <Uri> {
new Uri("about:blank")
});
}
string u = Substitute(uri, obj, s => s != ipAddressName);
return(ips.ConvertAll(ip =>
{
var ipstring = ip.AddressIP != null && ip.AddressIP.AddressFamily == AddressFamily.InterNetworkV6
? string.Format("[{0}]", ip)
: ip.ToString();
return new Uri(u.Replace(string.Format(PlaceholderFormat, ipAddressName), ipstring));
}));
}
catch (UriFormatException ex)
{
log.Warn("Failed to parse url.", ex);
return(new List <Uri> {
new Uri("about:blank")
});
}
}
public void Run()
{
IPHostEntry thisMachine = null;
// Network on the GUI thread!!!
try
{
thisMachine = Dns.GetHostEntry("");
}
catch
{
Assert.Fail("Couldn't resolve this machine's IP address");
}
PropertyAccessor ipAddress = PropertyAccessors.Get(PropertyNames.ip_address);
foreach (IXenConnection connection in ConnectionsManager.XenConnectionsCopy)
{
foreach (IXenObject o in connection.Cache.XenSearchableObjects)
{
// We want this to error if the cast fails
ComparableList <ComparableAddress> addresses = (ComparableList <ComparableAddress>)ipAddress(o);
if (addresses == null)
{
continue;
}
foreach (ComparableAddress address in addresses)
{
foreach (IPAddress hostAddress in thisMachine.AddressList)
{
Assert.False(address.Equals(hostAddress),
String.Format("XenCenter address ({0}) appears on object '{1}'!", address, Helpers.GetName(o)));
}
}
}
}
}
