Hello all:
The following code snippet runs on a Visor Edge with a Xircom SWE 1130
Wireless LAN module. I'm basically setting a server to listen to a socket.
Any port number I choose gets me the error "Busy socket" (Net 0x1209 =
4617).
Any ideas?
== Begin Code Snippet ==
static void ListenToTvrc(void)
{
NetIPAddr trtIpAddress;
NetSocketRef socketRef = NULL;
NetSocketRef tvrcSocketRef = NULL;
NetSocketAddrINType trtLocalAddress;
NetSocketAddrINType tvrcRemoteAddress;
Int16 tvrcRemoteAddressSize;
Char trtIpAddressB[20] = "192.168.0.3";
UInt16 trtPortNum = 8202; <== I've tried many other numbers based on the
list published by
IANA
(http://www.iana.org/assignments/port-numbers)
Err status;
Int32 timeout = 10 * sysTicksPerSecond;
if (!netLibOpen)
return;
if ((trtIpAddress =
NetLibAddrAToIN(
netLibRefNum,
trtIpAddressB)) == -1)
{
ErrDisplay("Failed to convert IP address");
return;
}
else
{
trtLocalAddress.family = netSocketAddrINET;
trtLocalAddress.port = NetHToNS(trtPortNum);
trtLocalAddress.addr = trtIpAddress;
// Open socket
socketRef =
NetLibSocketOpen(
netLibRefNum,
netSocketAddrINET,
netSocketTypeStream,
netSocketProtoIPTCP,
timeout,
&status
);
if (!status)
{
// Bind the socket
if (NetLibSocketBind(
netLibRefNum,
socketRef,
(NetSocketAddrType *) &trtLocalAddress,
sizeof(trtLocalAddress),
timeout,
&status
) == -1)
{
// Error
ErrAlert(status);
}
else
{
// Listen to the socket.
if (NetLibSocketListen(
netLibRefNum,
socketRef,
5, // queue lenght
timeout,
&status
) == -1)
{
// Error
ErrAlert(status); <== Here I get the 4617 (0x1209, which is
netErrSocketBusy).
}
else
{
tvrcRemoteAddressSize = sizeof(tvrcRemoteAddress);
// Block on accepting a connection from the TVRC.
if (NetLibSocketAccept(
netLibRefNum,
tvrcSocketRef,
(NetSocketAddrType *) &tvrcRemoteAddress,
&tvrcRemoteAddressSize,
timeout,
&status
) == -1)
{
// Error
ErrAlert(status);
}
else
{
// We can read the TVRC message now.
Char receivedMessage[100];
Int16 bytesReceived = 0;
bytesReceived =
NetLibReceive(
netLibRefNum,
tvrcSocketRef,
(void *) receivedMessage,
100,
0, // No I/O flags
NULL,
NULL,
timeout,
&status
);
if (bytesReceived == -1)
{
ErrAlert(status);
}
else if (bytesReceived == 0)
{
ErrDisplay("Socket closed by host!");
}
}
}
}
}
}
}
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