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/*
* Copyright (C) 1997-2000 Matt Newman <[email protected]>
*
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.2 2000/01/20 01:52:18 aborr Exp $
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.3 2000/05/31 21:24:24 welch Exp $
*
* TLS (aka SSL) Channel - can be layered on any bi-directional
* Tcl_Channel (Note: Requires Trf Core Patch)
*
* This was built from scratch based upon observation of OpenSSL 0.9.2B
*
* Addition credit is due for Andreas Kupries ([email protected]), for
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*/
static int
CloseProc(ClientData instanceData, /* The socket to close. */
Tcl_Interp *interp) /* For error reporting - unused. */
{
State *statePtr = (State *) instanceData;
#if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION < 2
Tcl_Channel parent = Tls_GetParent(statePtr);
Tcl_Channel chanPtr = Tls_GetParent(statePtr);
#else
Tcl_Channel parent = statePtr->self; /* 'self' already refers to our parent */
Tcl_Channel chanPtr = statePtr->self; /* 'self' already refers to our parent */
#endif
dprintf(stderr,"\nCloseProc(0x%x)", statePtr);
/*
* Remove event handler to underlying channel, this could
* Remove event handler to the channel, this could
* be because we are closing for real, or being "unstacked".
*/
Tcl_DeleteChannelHandler( parent,
Tcl_DeleteChannelHandler( chanPtr,
ChannelHandler, (ClientData) statePtr);
if (statePtr->timer != (Tcl_TimerToken)NULL) {
Tcl_DeleteTimerHandler (statePtr->timer);
statePtr->timer = (Tcl_TimerToken)NULL;
}
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static void
WatchProc(ClientData instanceData, /* The socket state. */
int mask) /* Events of interest; an OR-ed
* combination of TCL_READABLE,
* TCL_WRITABLE and TCL_EXCEPTION. */
{
State *statePtr = (State *) instanceData;
#if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION < 2
Tcl_Channel chanPtr = Tls_GetParent(statePtr);
#else
/*
* We set up the channel handler on the main channel, not the
* hidden channel. The main channel gets notified by the underlying
* drivers, so we don't need to put the handler anywhere else.
* Also, because our state refers to the main channel, it is only
* safe to have our handler registered on that same channel.
*/
Tcl_Channel chanPtr = statePtr->self;
#endif
if (mask == statePtr->watchMask)
return;
if (statePtr->watchMask) {
/*
* Remove event handler to underlying channel, this could
* Remove event handler to the channel, this could
* be because we are closing for real, or being "unstacked".
*/
Tcl_DeleteChannelHandler( Tls_GetParent(statePtr), ChannelHandler, (ClientData) statePtr);
Tcl_DeleteChannelHandler( chanPtr, ChannelHandler, (ClientData) statePtr);
}
statePtr->watchMask = mask;
if (statePtr->watchMask) {
/* Setup active monitor for events on underlying Channel */
Tcl_CreateChannelHandler( Tls_GetParent(statePtr), statePtr->watchMask,
Tcl_CreateChannelHandler( chanPtr, statePtr->watchMask,
ChannelHandler, (ClientData) statePtr);
}
}
/*
*-------------------------------------------------------------------
*
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mask = 0;
if (BIO_wpending(statePtr->bio)) {
mask |= TCL_WRITABLE;
}
if (BIO_pending(statePtr->bio)) {
mask |= TCL_READABLE;
}
#ifdef notdef
/*
* Tcl_NotifyChannel already runs through the list of stacked
* channels doing chained notifications. No need to do this.
*/
Tcl_NotifyChannel(statePtr->self, mask);
#endif
if (statePtr->timer != (Tcl_TimerToken)NULL) {
Tcl_DeleteTimerHandler(statePtr->timer);
statePtr->timer = (Tcl_TimerToken)NULL;
}
if ((mask & TCL_READABLE) && Tcl_InputBuffered (statePtr->self) > 0) {
/*
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