libs-base/Examples/nsconnection.m

/* Test/example program for the base library

   Copyright (C) 2005 Free Software Foundation, Inc.
   
  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

   This file is part of the GNUstep Base Library.
*/

#include	<Foundation/Foundation.h>

id	myServer;

@interface	Tester : NSObject
{
}
+ (void) connectWithPorts: (NSArray*)portArray;
+ (void) setServer: (id)anObject;
+ (void) startup;
- (int) doIt;
- (void) testPerform: (id)anObject;
@end

@implementation	Tester
+ (void) connectWithPorts: (NSArray*)portArray
{
  NSAutoreleasePool	*pool;
  NSConnection		*serverConnection;
  Tester		*serverObject;

  pool = [[NSAutoreleasePool alloc] init];

  serverConnection = [NSConnection
	  connectionWithReceivePort: [portArray objectAtIndex: 0]
			   sendPort: [portArray objectAtIndex: 1]];

  serverObject = [[self alloc] init];
  [serverObject performSelectorOnMainThread: @selector(testPerform:)
				 withObject: @"84"
			      waitUntilDone: NO];

  [(id)[serverConnection rootProxy] setServer: serverObject];
  [serverObject release];

  [[NSRunLoop currentRunLoop] run];
  [pool release];
  [NSThread exit];

  return;
}

+ (void) setServer: (id)anObject
{
  myServer = [anObject retain];
  NSLog(@"Got %d", [myServer doIt]);
  exit(0);
}

+ (void) startup
{
  NSPort	*port1;
  NSPort	*port2;
  NSArray	*portArray;
  NSConnection	*conn;

  port1 = [NSPort port];
  port2 = [NSPort port];

  conn = [[NSConnection alloc] initWithReceivePort: port1 sendPort: port2];
  [conn setRootObject: self];

  /* Ports switched here. */
  portArray = [NSArray arrayWithObjects: port2, port1, nil];

  [NSThread detachNewThreadSelector: @selector(connectWithPorts:)
			   toTarget: self
			 withObject: portArray];

  return;
}

- (int) doIt
{
  return 42;
}

- (void) testPerform: (id)anObject
{
  NSLog(@"Test perform: %@", anObject);
}

@end

int
main(int argc, char *argv[], char **env)
{
  NSAutoreleasePool	*pool;

#if LIB_FOUNDATION_LIBRARY || defined(GS_PASS_ARGUMENTS)
   [NSProcessInfo initializeWithArguments:argv count:argc environment:env];
#endif
  pool = [[NSAutoreleasePool alloc] init];

  [NSConnection setDebug: YES];
  [Tester startup];
  [[NSRunLoop currentRunLoop] run];
  [pool release];
  return 0;
}