Summary

This structure is used by the IOPort class to manage I/O resource connections.

To use IOPort, you will need a hook in your .mreg file to route internal I/O responses to IOPort:

#msgvalid IOPort::isIOPortMessage(const string & request)

#code

IOPort::handleMessage(request, param);

Public Properties

string name	Name of the resource
string channel	Name of channel to communicate with resource
long id	Resource id provided by iogw
bool portEof	Flag: True when EOF detected; true EOF when inbuffer is empty
string inbuffer	Inbound buffer to read for all ports (per resource)
long filepos	Number of bytes read/written from/to port (file pos) (per resource)
bool readable	Flag: content is readable
bool writable	Flag: content is writable
long filelength	Flag: content length (-1 if not known)
static long blockingId	If a blocking operation is in progress, this is the mbuf id
static string blockingOp	If a blocking operation is in progress, we're waiting on this response
int errorNo	errno of last operation (from iogw)
string errmsg	text error message of last operation (from iogw)
char cbtype	Input received callback type (C=character, L=Line, F=file)
void* cbdata	Input received callback data
IOPortDataCB cbfn	Input received callback function

Check if we have reached end-of-file for this resource

Return value: true if EOF, false otherwise

Check if this structure refers to a valid IOPort.

Return value: true if the resource is valid, false otherwise

Clear the data