/**
* record the capabilites passed in from the peer
*
* @param packet
*/
void recordPeerCapabilities(OpenPacket packet) {
remoteCapabilities.clear();
if (packet.getCapabilities() != null) {
remoteCapabilities.addAll(packet.getCapabilities());
}
}
/**
* Insert the currently negotiated capabilities into the OPEN packet.
*
* <p>If the capabilities contain an AS number larger than 65536 then the AS number in the OPEN
* packet is changed to AS_TRANS (23456)
*
* @param packet
* @param capabilities
* @see BGPv4Constants#BGP_AS_TRANS
*/
private void insertLocalCapabilities(OpenPacket packet, Collection<Capability> capabilities) {
for (Capability cap : capabilities) {
if (cap instanceof AutonomousSystem4Capability) {
AutonomousSystem4Capability as4cap = (AutonomousSystem4Capability) cap;
if (as4cap.getAutonomousSystem() > 65536) {
packet.setAutonomousSystem(BGPv4Constants.BGP_AS_TRANS);
}
}
packet.getCapabilities().add(cap);
}
}
/**
* Insert the currently negotiated capabilities into the OPEN packet.
*
* <p>If the capabilities contain an AS number larger than 65536 then the AS number in the OPEN
* packet is changed to AS_TRANS (23456)
*
* @param packet
* @see BGPv4Constants#BGP_AS_TRANS
*/
void insertLocalCapabilities(OpenPacket packet) {
packet.getCapabilities().clear();
insertLocalCapabilities(packet, peerConfiguration.getCapabilities().getRequiredCapabilities());
insertLocalCapabilities(packet, peerConfiguration.getCapabilities().getOptionalCapabilities());
}