+++ /dev/null
-/*
- * Copyright (c) 1998-2000, Index Data.
- * See the file LICENSE for details.
- *
- * $Id: yaz-pdu-observer.h,v 1.8 2000-09-08 10:23:42 adam Exp $
- */
-
-#ifndef YAZ_PDU_OBSERVER_H
-#define YAZ_PDU_OBSERVER_H
-
-class IYaz_PDU_Observer;
-
-/** Protocol Data Unit Observable.
- This interface implements a Protocol Data Unit (PDU) network driver.
- The PDU's is not encoded/decoded by this interface. They are simply
- transmitted/received over the network. To use this interface the
- IYaz_PDU_Observer interface must be implemented.
- */
-class YAZ_EXPORT IYaz_PDU_Observable {
- public:
- /// Send encoded PDU buffer of specified length
- virtual int send_PDU(const char *buf, int len) = 0;
- /// Connect with server specified by addr.
- virtual void connect(IYaz_PDU_Observer *observer, const char *addr) = 0;
- /// Listen on address addr.
- virtual void listen(IYaz_PDU_Observer *observer, const char *addr) = 0;
- /// Close connection
- virtual void close() = 0;
- /// Make clone of this object using this interface
- virtual IYaz_PDU_Observable *clone() = 0;
- /// Destroy completely
- virtual void destroy() = 0;
- /// Set Idle Time
- virtual void idleTime (int timeout) = 0;
- /// open with existing socket
- virtual void socket(IYaz_PDU_Observer *observer, int fd) = 0;
-};
-
-/** Protocol Data Unit Observer.
- This interface is used together with the IYaz_PDU_Observable interface
- and acts as a callback interface for it.
- */
-class YAZ_EXPORT IYaz_PDU_Observer {
- public:
- /// A PDU has been received
- virtual void recv_PDU(const char *buf, int len) = 0;
- /// Called when Iyaz_PDU_Observable::connect was successful.
- virtual void connectNotify() = 0;
- /// Called whenever the connection was closed
- virtual void failNotify() = 0;
- /// Called whenever there is a timeout
- virtual void timeoutNotify() = 0;
- /// Make clone of observer using IYaz_PDU_Observable interface
- virtual IYaz_PDU_Observer *clone(IYaz_PDU_Observable *the_PDU_Observable) = 0;
-};
-
-#endif