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static int BioFree _ANSI_ARGS_((BIO *h));
BIO *BIO_new_tcl(State *statePtr, int flags) {
BIO *bio;
Tcl_Channel parentChannel;
const Tcl_ChannelType *parentChannelType;
static BIO_METHOD *BioMethods = NULL;
int parentChannelFdIn, parentChannelFdOut, parentChannelFd;
int validParentChannelFd;
int tclGetChannelHandleRet;
dprintf("BIO_new_tcl() called");
if (BioMethods == NULL) {
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static int BioFree _ANSI_ARGS_((BIO *h));
BIO *BIO_new_tcl(State *statePtr, int flags) {
BIO *bio;
Tcl_Channel parentChannel;
const Tcl_ChannelType *parentChannelType;
static BIO_METHOD *BioMethods = NULL;
void *parentChannelFdIn_p, *parentChannelFdOut_p;
int parentChannelFdIn, parentChannelFdOut, parentChannelFd;
int validParentChannelFd;
int tclGetChannelHandleRet;
dprintf("BIO_new_tcl() called");
if (BioMethods == NULL) {
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/*
* If the channel can be mapped back to a file descriptor, just use the file descriptor
* with the SSL library since it will likely be optimized for this.
*/
parentChannel = Tls_GetParent(statePtr);
parentChannelType = Tcl_GetChannelType(parentChannel);
/* If we do not get the channel name here, we segfault later :-( */
dprintf("Channel Name is valid: %s", Tcl_GetChannelName(statePtr->self));
dprintf("Parent Channel Name is valid: %s", Tcl_GetChannelName(parentChannel));
tclGetChannelHandleRet = Tcl_GetChannelHandle(parentChannel, TCL_READABLE, (ClientData) &parentChannelFdIn);
if (tclGetChannelHandleRet == TCL_OK) {
tclGetChannelHandleRet = Tcl_GetChannelHandle(parentChannel, TCL_WRITABLE, (ClientData) &parentChannelFdOut);
if (tclGetChannelHandleRet == TCL_OK) {
if (parentChannelFdIn == parentChannelFdOut) {
parentChannelFd = parentChannelFdIn;
validParentChannelFd = 1;
}
}
}
}
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/*
* If the channel can be mapped back to a file descriptor, just use the file descriptor
* with the SSL library since it will likely be optimized for this.
*/
parentChannel = Tls_GetParent(statePtr);
parentChannelType = Tcl_GetChannelType(parentChannel);
validParentChannelFd = 0;
if (strcmp(parentChannelType->typeName, "tcp") == 0) {
tclGetChannelHandleRet = Tcl_GetChannelHandle(parentChannel, TCL_READABLE, (ClientData) &parentChannelFdIn_p);
if (tclGetChannelHandleRet == TCL_OK) {
tclGetChannelHandleRet = Tcl_GetChannelHandle(parentChannel, TCL_WRITABLE, (ClientData) &parentChannelFdOut_p);
if (tclGetChannelHandleRet == TCL_OK) {
parentChannelFdIn = PTR2INT(parentChannelFdIn_p);
parentChannelFdOut = PTR2INT(parentChannelFdOut_p);
if (parentChannelFdIn == parentChannelFdOut) {
parentChannelFd = parentChannelFdIn;
validParentChannelFd = 1;
}
}
}
}
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