[wiki:WikiStart Orbit] > [wiki:Documentation/OTG OTG] > [wiki:Documentation/OTG/FuncSpec Function Specifications] > Class Port


= Port =

[source:otg/trunk/src/cpp/port.h#latest Port] is an abstract class for the interface to send (send only) a packet, whether UDP, TCP Socket, or IP raw socket. 
The common funcitons for a port are defiend here:
 * sendPacket
Port is limited for sender-only purpose. Port is also associated with a pair of addresses (source and destination). One Port send to one [source:otg/trunk/src/cpp/address.h#latest Address] only, no matter the address is unicast or broadcast. 

[[Image(classPort.png)]]