help scanning for network printers
help scanning for network printers
- Subject: help scanning for network printers
- From: Alan Dail <email@hidden>
- Date: Sat, 16 Jul 2005 11:59:26 -0400
The network printer I'm searching for doesn't use Bonjour, but I do
know what port it uses. What I'd like to do is be able to scan my
local subnet for the device instead of requiring the user to know
it's IP address and key it in. I tried opening a connection to the
device - the trouble is, if I try this on an address there is no
device, it takes about 60 seconds to time out. Clearly this won't
work if I need to scan 255 addresses to find the one or ones that
actually are the printers I'm looking for. How do I accomplish this
and what is the preferred network API for communicating with TCP/IP
devices? I've tried cocoa, but found the API to be too limiting
(unless I overlooked something). I've also tried OpenTransport as
well as the native unix sockets API. Open transport seems to work
the best but still has the long timeout for what I'm trying to do -
is that what people are using or is there perhaps something I'm
overlooking? And is open transport thread safe when using standard
Cocoa threads?
Alan
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