Simple question that may or may not be programming related. I'm a
mechanical engineering student so I'm trying to be as clear as I can
here. This list entry may be a duplicate as the first attempt
exceeded 25k in size.
It seems NSConnection will return a proxy object but only when both
"ends" are on the same machine, over a network, it will "hang". The
application can quit and other buttons and returns nil.
Here is some of the console output for the client.
2008-07-18 03:32:05.149 YANA-Client[4569:10b] [NSPortCoder
sendBeforeTime:sendReplyPort:] timed out (10238055525.147535
238055525.148441) 1
We've attempted to go through the firewall(s) using System Preferences
with no success. What I did notice was that when I used the sendPort
method from the NSConnection we saw that the port types were Mach-
based and from the ADC documentation it seems to indicate that these
ports are internal to the OS and inaccessible remotely. Anyway to
"force" the port types to be non-Mach? I have not seen anything in
the API to indicate it.
I have used sockets before (years ago) and when I tried to replicate
previous successes, but the very presence of the accept() command
immediately freezes my client. Right now, the idea of using these
objects is a HECK of a lot more appropriate for our application (by
far).
Here is the code for the client application (which has been cut down
to avoid this list's 25k size limit):
@implementation ClientController
unsigned short assignedPort;
NSConnection *connection;
NSSocketPort *port;
NSString *hostName;
NSProxy *remoteObject;
-(void)awakeFromNib
{
assignedPort = [portField intValue];
port = [[NSSocketPort alloc] initRemoteWithTCPPort:assignedPort host:
[hostField stringValue] ];
connection = [[NSConnection connectionWithReceivePort:nil
sendPort:port] retain];
remoteObject = [[connection rootProxy] retain];
}
- (IBAction)sendMessage:(id)sender
{
NSLog([rootProxy myMethod:@"Testing"]);
}
@end
-------------------
@implementation ServerController
// Globals same as above
-(void)awakeFromNib
{
assignedPort = [portField intValue];
port = [[NSSocketPort alloc] initWithTCPPort:assignedPort];
connection = [[NSConnection alloc] initWithReceivePort:port
sendPort:nil];
[connection setRootObject:self];
}
-(NSString *) myMethod:(NSString *)inboundMessage
{
NSLog(inboundMessage]);
return @"Received.\n";
}
@end
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