Package org.jivesoftware.smack.tcp.rce

Class RemoteXmppTcpConnectionEndpoints

java.lang.Object

org.jivesoftware.smack.tcp.rce.RemoteXmppTcpConnectionEndpoints

public class RemoteXmppTcpConnectionEndpoints
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	RemoteXmppTcpConnectionEndpoints.Result<RCE extends RemoteConnectionEndpoint>

Field Summary

Fields

Modifier and Type	Field	Description
static final String	XMPP_CLIENT_DNS_SRV_PREFIX
static final String	XMPP_SERVER_DNS_SRV_PREFIX

Constructor Summary

Constructors

Constructor	Description
RemoteXmppTcpConnectionEndpoints()

Method Summary

Modifier and Type	Method	Description
static RemoteXmppTcpConnectionEndpoints.Result<Rfc6120TcpRemoteConnectionEndpoint>	lookup(ConnectionConfiguration config)	Lookups remote connection endpoints on the server for XMPP connections over TCP taking A, AAAA and SRV resource records into account.
static List<Rfc6120TcpRemoteConnectionEndpoint>	resolveXmppServerDomain(DnsName domain, List<RemoteConnectionEndpointLookupFailure> lookupFailures, ConnectionConfiguration.DnssecMode dnssecMode)	Returns a list of HostAddresses under which the specified XMPP server can be reached at for server-to-server communication.
static List<Rfc6120TcpRemoteConnectionEndpoint>	resolveXmppServiceDomain(DnsName domain, List<RemoteConnectionEndpointLookupFailure> lookupFailures, ConnectionConfiguration.DnssecMode dnssecMode)	Returns a list of HostAddresses under which the specified XMPP server can be reached at for client-to-server communication.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

XMPP_CLIENT_DNS_SRV_PREFIX

public static final String XMPP_CLIENT_DNS_SRV_PREFIX

See Also:

• Constant Field Values

XMPP_SERVER_DNS_SRV_PREFIX

public static final String XMPP_SERVER_DNS_SRV_PREFIX

See Also:

• Constant Field Values

Constructor Details

RemoteXmppTcpConnectionEndpoints

public RemoteXmppTcpConnectionEndpoints()

Method Details

lookup

public static RemoteXmppTcpConnectionEndpoints.Result<Rfc6120TcpRemoteConnectionEndpoint> lookup(ConnectionConfiguration config)

Lookups remote connection endpoints on the server for XMPP connections over TCP taking A, AAAA and SRV resource records into account. If no host address was configured and all lookups failed, for example with NX_DOMAIN, then result will be populated with the empty list.

Parameters:

config - the connection configuration to lookup the endpoints for.

Returns:

a lookup result.

resolveXmppServiceDomain

public static List<Rfc6120TcpRemoteConnectionEndpoint> resolveXmppServiceDomain(DnsName domain,
 List<RemoteConnectionEndpointLookupFailure> lookupFailures,
 ConnectionConfiguration.DnssecMode dnssecMode)

Returns a list of HostAddresses under which the specified XMPP server can be reached at for client-to-server communication. A DNS lookup for a SRV record in the form "_xmpp-client._tcp.example.com" is attempted, according to section 3.2.1 of RFC 6120. If that lookup fails, it's assumed that the XMPP server lives at the host resolved by a DNS lookup at the specified domain on the default port of 5222.

As an example, a lookup for "example.com" may return "im.example.com:5269".

Parameters:

domain - the domain.

lookupFailures - on optional list that will be populated with host addresses that failed to resolve.

dnssecMode - DNSSec mode.

Returns:

List of HostAddress, which encompasses the hostname and port that the XMPP server can be reached at for the specified domain.

resolveXmppServerDomain

public static List<Rfc6120TcpRemoteConnectionEndpoint> resolveXmppServerDomain(DnsName domain,
 List<RemoteConnectionEndpointLookupFailure> lookupFailures,
 ConnectionConfiguration.DnssecMode dnssecMode)

Returns a list of HostAddresses under which the specified XMPP server can be reached at for server-to-server communication. A DNS lookup for a SRV record in the form "_xmpp-server._tcp.example.com" is attempted, according to section 3.2.1 of RFC 6120. If that lookup fails , it's assumed that the XMPP server lives at the host resolved by a DNS lookup at the specified domain on the default port of 5269.

As an example, a lookup for "example.com" may return "im.example.com:5269".

Parameters:

domain - the domain.

lookupFailures - a list that will be populated with host addresses that failed to resolve.

dnssecMode - DNSSec mode.

Returns:

List of HostAddress, which encompasses the hostname and port that the XMPP server can be reached at for the specified domain.