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Annotation of libwww/Library/src/HTEvent.c, revision 2.3

2.1       eric        1: /*                                                                  HTEvntrg.c
                      2: **     EVENT DISPATCHER
                      3: **
                      4: **     (c) COPYRIGHT MIT 1996.
                      5: **     Please first read the full copyright statement in the file COPYRIGH.
2.3     ! frystyk     6: **      @(#) $Id: HTEvent.c,v 2.2 1996/05/16 19:02:55 frystyk Exp $
2.1       eric        7: **
                      8: **     The event dispatcher allows applications to register their own event
                      9: **     models. They may register the standard HTEventrg methods from 
                     10: **     HTEventrg.c, of implement their functionality with their on methods.
                     11: **
                     12: ** Authors:
                     13: **     EGP     Eric Gordon Prud'hommeuax
                     14: ** Bugs
                     15: **
                     16: */
                     17: 
                     18: /* Implementation dependent include files */
                     19: #include "sysdep.h"
2.2       frystyk    20: #include "WWWUtil.h"
2.1       eric       21: #include "HTEvent.h"                                    /* Implemented here */
                     22: 
2.2       frystyk    23: PRIVATE HTEvent_registerCallback * RegisterCBF = NULL;
                     24: PRIVATE HTEvent_unregisterCallback * UnregisterCBF = NULL;
2.1       eric       25: 
                     26: PUBLIC void HTEvent_setRegisterCallback(HTEvent_registerCallback * registerCBF)
                     27: {
2.2       frystyk    28:     if (CORE_TRACE) HTTrace("Event....... registering %p\n", registerCBF);
2.1       eric       29:     RegisterCBF = registerCBF;
                     30: }
                     31: 
                     32: PUBLIC void HTEvent_setUnregisterCallback(HTEvent_unregisterCallback * unregisterCBF)
                     33: {
2.2       frystyk    34:     if (CORE_TRACE) HTTrace("Event....... registering %p\n", unregisterCBF);
2.1       eric       35:     UnregisterCBF = unregisterCBF;
                     36: }
                     37: 
                     38: 
                     39: PUBLIC int HTEvent_register (SOCKET s, HTRequest * rq, SockOps ops,
                     40:                             HTEventCallback *cbf, HTPriority p) 
                     41: {
2.2       frystyk    42:     if (!RegisterCBF) {
                     43:        if (CORE_TRACE) HTTrace("Event....... No handler registered\n");
2.1       eric       44:         return -1;
2.2       frystyk    45:     }
2.1       eric       46:     return (*RegisterCBF)(s, rq, ops, cbf, p);
                     47: }
                     48: 
                     49: PUBLIC int HTEvent_unregister (SOCKET s, SockOps ops)
                     50: {
2.2       frystyk    51:     if (!UnregisterCBF) {
                     52:        if (CORE_TRACE) HTTrace("Event....... No handler registered\n");
2.1       eric       53:         return -1;
2.2       frystyk    54:     }
2.1       eric       55:     return (*UnregisterCBF)(s, ops);
                     56: }
                     57: