/// <summary>
/// Queries the client's server for a list of SOCKS5 proxies.
/// </summary>
/// <returns>An enumerable collection of SOCKS5 proxies available to
/// the client.</returns>
/// <exception cref="NotSupportedException">The client's XMPP server
/// does not support querying for proxy information.</exception>
/// <exception cref="XmppErrorException">The server returned an XMPP error code.
/// Use the Error property of the XmppErrorException to obtain the specific
/// error condition.</exception>
/// <exception cref="XmppException">The server returned invalid data or another
/// unspecified XMPP error occurred.</exception>
private IEnumerable <Streamhost> GetProxyList()
{
ISet <Streamhost> set = new HashSet <Streamhost>();
foreach (var item in sdisco.GetItems(im.Jid.Domain))
{
// Query each item for its identities and look for a 'proxy' identity.
foreach (var ident in sdisco.GetIdentities(item.Jid))
{
// It's a SOCKS5 proxy.
if (ident.Category == "proxy" && ident.Type == "bytestreams")
{
// Get the full network address.
var address = GetNetworkAddress(item.Jid);
set.Add(address);
}
}
}
return(set);
}
/// <summary>
/// Queries the XMPP entity with the specified JID for identity information.
/// </summary>
/// <param name="jid">The JID of the XMPP entity to query.</param>
/// <returns>An enumerable collection of identities of the XMPP entity
/// with the specified JID.</returns>
/// <exception cref="ArgumentNullException">The jid parameter
/// is null.</exception>
/// <exception cref="NotSupportedException">The query could not be
/// performed or the response was invalid.</exception>
public IEnumerable <Identity> GetIdentities(Jid jid)
{
return(sdisco.GetIdentities(jid));
}