Пример #1
0
Code_t
ZReceiveNotice(ZNotice_t *notice,
	       struct sockaddr_in *from)
{
    char *buffer;
    struct _Z_InputQ *nextq;
    int len, auth;
    Code_t retval;

    if ((retval = Z_WaitForComplete()) != ZERR_NONE)
	return (retval);

    nextq = Z_GetFirstComplete();
    if (!nextq)
      return (ENOMEM);

    len = nextq->packet_len;
    
    if (!(buffer = (char *) malloc((unsigned) len)))
	return (ENOMEM);

    if (from)
	*from = nextq->from;
    
    (void) memcpy(buffer, nextq->packet, len);

    auth = nextq->auth;
    Z_RemQueue(nextq);
    
    if ((retval = ZParseNotice(buffer, len, notice)) != ZERR_NONE)
	return (retval);
    notice->z_checked_auth = auth;
    return ZERR_NONE;
}
Пример #2
0
Code_t
ZIfNotice(ZNotice_t *notice,
	  struct sockaddr_in *from,
	  int (*predicate)(ZNotice_t *, void *),
	  void *args)
{
    ZNotice_t tmpnotice;
    Code_t retval;
    char *buffer;
    struct _Z_InputQ *qptr;

    if ((retval = Z_WaitForComplete()) != ZERR_NONE)
	return (retval);
	
    qptr = Z_GetFirstComplete();
    
    for (;;) {
	while (qptr) {
	    if ((retval = ZParseNotice(qptr->packet, qptr->packet_len, 
				       &tmpnotice)) != ZERR_NONE)
		return (retval);
	    if ((*predicate)(&tmpnotice, args)) {
		if (!(buffer = (char *) malloc((unsigned) qptr->packet_len)))
		    return (ENOMEM);
		(void) memcpy(buffer, qptr->packet, qptr->packet_len);
		if (from)
		    *from = qptr->from;
		if ((retval = ZParseNotice(buffer, qptr->packet_len, 
					   notice)) != ZERR_NONE) {
		    free(buffer);
		    return (retval);
		}
		Z_RemQueue(qptr);
		return (ZERR_NONE);
	    }
	    qptr = Z_GetNextComplete(qptr);
	}
	if ((retval = Z_ReadWait()) != ZERR_NONE)
	    return (retval);
	qptr = Z_GetFirstComplete();	/* need to look over all of
					   the queued messages, in case
					   a fragment has been reassembled */
    }
}
Пример #3
0
Code_t
ZCheckIfNotice(ZNotice_t *notice,
	       struct sockaddr_in *from,
	       register int (*predicate)(ZNotice_t *, void *),
	       void *args)
{
    ZNotice_t tmpnotice;
    Code_t retval;
    register char *buffer;
    register struct _Z_InputQ *qptr;

    if ((retval = Z_ReadEnqueue()) != ZERR_NONE)
	return (retval);
	
    qptr = Z_GetFirstComplete();
    
    while (qptr) {
	if ((retval = ZParseNotice(qptr->packet, qptr->packet_len, 
				   &tmpnotice)) != ZERR_NONE)
	    return (retval);
	if ((*predicate)(&tmpnotice, args)) {
	    if (!(buffer = (char *) malloc((unsigned) qptr->packet_len)))
		return (ENOMEM);
	    (void) memcpy(buffer, qptr->packet, qptr->packet_len);
	    if (from)
		*from = qptr->from;
	    if ((retval = ZParseNotice(buffer, qptr->packet_len, 
				       notice)) != ZERR_NONE) {
		free(buffer);
		return (retval);
	    }
	    Z_RemQueue(qptr);
	    return (ZERR_NONE);
	} 
	qptr = Z_GetNextComplete(qptr);
    }

    return (ZERR_NONOTICE);
}