AbstractTCPStream

Abort CanConnect ClearAbort Connect Disconnect Init Listen ResolveHostname TCPInit

Attributes

Aborted Connected LocalIPAddress LocalPort RemoteIPAddress RemotePort

Fields

Define Class AbstractTCPStream;
    abstract;
    inherits from Object;
    inherits from Stream;
    inherits from Connectable;

    field connectState:         Unsigned;
    field localPort:            Unsigned, getter, setter;
        // local TCP port
    field remoteIPAddress:      Unsigned, getter, setter;
        // remote IP address
    field remotePort:           Unsigned, getter, setter;
        // remote TCP port

    attribute RemoteIPAddress:  Unsigned;
    attribute RemotePort:       Unsigned;
    attribute LocalIPAddress:   Unsigned, readOnly;
    attribute LocalPort:        Unsigned;

    operation Listen();

    // methods for Connectable

    overrides CanConnect;
        // returns true if state is other than kConnected

    overrides Connect;
        // at this level just sets the state of the stream to kConnected
    overrides Connected;
        // return whether state is kConnected

    overrides Disconnect;
        // at this level just sets the state of the stream to kDisconnected

    overrides Abort;
        // at this level, sets the state of the stream to kAborted
    overrides Aborted;
        // returns whether state is kAborted.
    overrides ClearAbort;
        // at this level, sets the state of the stream back to kDisconnected.

    // miscellany

    overrides Init;
        // sets up fields from NewTCPStreamParamters

    class operation ResolveHostname(hostName: Text): Unsigned, noMethod;
        // returns the IP address for a 'hostName' of the form
        // "host.acme.net", invoking DNS if necessary

    // upcalls from IP

    class operation TCPInit(logLevel: Unsigned);
        // called when IP is initialized
end class;