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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@7189 72102866-910b-0410-8b05-ffd578937521
558 lines
19 KiB
Objective-C
558 lines
19 KiB
Objective-C
#if NEW_DO
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/* Interface for GNU Objective-C version of NSConnection
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Copyright (C) 1997,2000 Free Software Foundation, Inc.
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Original by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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Version for OPENSTEP by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Created: August 1997, updated June 2000
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#ifndef __NSConnection_h_GNUSTEP_BASE_INCLUDE
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#define __NSConnection_h_GNUSTEP_BASE_INCLUDE
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#include <Foundation/NSObject.h>
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#include <Foundation/NSDictionary.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSTimer.h>
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#include <Foundation/NSRunLoop.h>
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#include <Foundation/NSMapTable.h>
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@class NSDistantObject;
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@class NSPort;
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@class NSPortNameServer;
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@class NSData;
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/*
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* Keys for the NSDictionary returned by [NSConnection -statistics]
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*/
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/* These in OPENSTEP 4.2 */
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GS_EXPORT NSString *NSConnectionRepliesReceived;
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GS_EXPORT NSString *NSConnectionRepliesSent;
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GS_EXPORT NSString *NSConnectionRequestsReceived;
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GS_EXPORT NSString *NSConnectionRequestsSent;
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/* These Are GNUstep extras */
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GS_EXPORT NSString *NSConnectionLocalCount; /* Objects sent out */
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GS_EXPORT NSString *NSConnectionProxyCount; /* Objects received */
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/*
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* NSConnection class interface.
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*
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* A few methods are in the specification but not yet implemented.
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*/
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@interface NSConnection : NSObject
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{
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@private
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BOOL _isValid;
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BOOL _independentQueueing;
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BOOL _authenticateIn;
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BOOL _authenticateOut;
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BOOL _multipleThreads;
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NSPort *_receivePort;
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NSPort *_sendPort;
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unsigned _requestDepth;
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unsigned _messageCount;
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unsigned _reqOutCount;
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unsigned _reqInCount;
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unsigned _repOutCount;
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unsigned _repInCount;
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#ifndef _IN_CONNECTION_M
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#define GSIMapTable void*
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#endif
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GSIMapTable _localObjects;
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GSIMapTable _localTargets;
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GSIMapTable _remoteProxies;
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GSIMapTable _replyMap;
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#ifndef _IN_CONNECTION_M
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#undef GSIMapTable
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#endif
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NSTimeInterval _replyTimeout;
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NSTimeInterval _requestTimeout;
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NSMutableArray *_requestModes;
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NSMutableArray *_runLoops;
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NSMutableArray *_requestQueue;
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id _delegate;
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NSRecursiveLock *_refGate;
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NSMutableArray *_cachedDecoders;
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NSMutableArray *_cachedEncoders;
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NSString *_registeredName;
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NSPortNameServer *_nameServer;
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}
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+ (NSArray*) allConnections;
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+ (NSConnection*) connectionWithReceivePort: (NSPort*)r
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sendPort: (NSPort*)s;
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+ (NSConnection*) connectionWithRegisteredName: (NSString*)n
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host: (NSString*)h;
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+ (NSConnection*) connectionWithRegisteredName: (NSString*)n
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host: (NSString*)h
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usingNameServer: (NSPortNameServer*)s;
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+ (id) currentConversation;
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+ (NSConnection*) defaultConnection;
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+ (NSDistantObject*) rootProxyForConnectionWithRegisteredName: (NSString*)name
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host: (NSString*)host;
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+ (NSDistantObject*) rootProxyForConnectionWithRegisteredName: (NSString*)name
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host: (NSString*)host usingNameServer: (NSPortNameServer*)s;
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- (void) addRequestMode: (NSString*)mode;
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- (void) addRunLoop: (NSRunLoop*)runloop;
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- (id) delegate;
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- (void) enableMultipleThreads;
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- (BOOL) independentConversationQueueing;
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- (id) initWithReceivePort: (NSPort*)r
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sendPort: (NSPort*)s;
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- (void) invalidate;
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- (BOOL) isValid;
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- (NSArray*)localObjects;
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- (BOOL) multipleThreadsEnabled;
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- (NSPort*) receivePort;
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- (BOOL) registerName: (NSString*)name;
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- (BOOL) registerName: (NSString*)name withNameServer: (NSPortNameServer*)svr;
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- (NSArray*) remoteObjects;
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- (void) removeRequestMode: (NSString*)mode;
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- (void) removeRunLoop: (NSRunLoop *)runloop;
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- (NSTimeInterval) replyTimeout;
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- (NSArray*) requestModes;
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- (NSTimeInterval) requestTimeout;
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- (id) rootObject;
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- (NSDistantObject*) rootProxy;
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- (void) runInNewThread;
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- (NSPort*) sendPort;
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- (void) setDelegate: anObj;
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- (void) setIndependentConversationQueueing: (BOOL)flag;
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- (void) setReplyTimeout: (NSTimeInterval)seconds;
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- (void) setRequestMode: (NSString*)mode;
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- (void) setRequestTimeout: (NSTimeInterval)seconds;
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- (void) setRootObject: anObj;
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- (NSDictionary*) statistics;
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@end
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/*
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* This catagory contains legacy methods from the original GNU 'Connection'
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* class, and useful extensions to NSConnection.
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*/
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@interface NSConnection (GNUstepExtensions) <GCFinalization>
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+ (NSConnection*) newRegisteringAtName: (NSString*)n
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withRootObject: (id)anObject;
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- (void) gcFinalize;
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- (retval_t) forwardForProxy: (NSDistantObject*)object
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selector: (SEL)sel
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argFrame: (arglist_t)frame;
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- (const char *) typeForSelector: (SEL)sel remoteTarget: (unsigned)target;
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@end
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GS_EXPORT NSString *ConnectionBecameInvalidNotification;
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@interface Object (NSConnectionDelegate)
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/*
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* This method may be used to ask a delegates permission to create
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* a new connection from the old one.
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* This method should be implemented in preference to the
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* [makeNewConnection:sender:] which is obsolete.
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*/
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- (BOOL) connection: (NSConnection*)parent
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shouldMakeNewConnection: (NSConnection*)newConnection;
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/*
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* This is the old way of doing the same thing as
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* [connection:shouldMakeNewConnection:]
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* It is obsolete - don't use it.
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*/
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- (BOOL) makeNewConnection: (NSConnection*)newConnection
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sender: (NSConnection*)parent;
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/*
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* If the delegate responds to this method, it will be used to ask the
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* delegate's permission to establish a new connection from the old one.
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* Often this is used so that the delegate can register for invalidation
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* notification on new child connections.
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* This is a GNUstep extension
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* Normally return newConn.
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*/
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- (NSConnection*) connection: (NSConnection*)ancestorConn
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didConnect: (NSConnection*)newConn;
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/*
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* These are like the MacOS-X delegate methods, except that we provide the
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* components in mutable arrays, so that the delegate can alter the data
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* items in the array. Of course, you must do that WITH CARE.
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*/
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- (BOOL) authenticateComponents: (NSMutableArray*)components
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withData: (NSData*)authenticationData;
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- (NSData*) authenticationDataForComponents: (NSMutableArray*)components;
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@end
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@interface Object (NSPortCoder)
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- (Class) classForPortCoder;
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/*
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* Must return the class that will be created on the remote side
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* of the connection. If the class to be created is not the same
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* as that of the object returned by replacementObjectForPortCoder:
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* then the class must be capable of recognising the object it
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* actually gets in its initWithCoder: method.
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* The default operation is to return NSDistantObject unless the
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* object is being sent bycopy, in which case the objects actual
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* class is returned. To force bycopy operation the object should
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* return its own class.
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*/
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- (id) replacementObjectForPortCoder: (NSPortCoder*)aCoder;
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/*
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* This message is sent to an object about to be encoded for sending
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* over the wire. The default action is to return an NSDistantObject
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* which is a local proxy for the object unless the object is being
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* sent bycopy, in which case the actual object is returned.
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* To force bycopy, an object should return itsself.
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*/
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@end
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#define CONNECTION_DEFAULT_TIMEOUT 15.0 /* in seconds */
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/*
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* NSRunLoop mode, NSNotification name and NSException strings.
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*/
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GS_EXPORT NSString *NSConnectionReplyMode;
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GS_EXPORT NSString *NSConnectionDidDieNotification;
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GS_EXPORT NSString *NSConnectionDidInitializeNotification; /* OPENSTEP */
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GS_EXPORT NSString *NSFailedAuthenticationException; /* MacOS-X */
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#endif /* __NSConnection_h_GNUSTEP_BASE_INCLUDE */
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#else
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/* Interface for GNU Objective-C version of NSConnection
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Copyright (C) 1997 Free Software Foundation, Inc.
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Original by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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Version for OPENSTEP by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Created: August 1997
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#ifndef __NSConnection_h_GNUSTEP_BASE_INCLUDE
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#define __NSConnection_h_GNUSTEP_BASE_INCLUDE
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#include <Foundation/NSObject.h>
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#include <Foundation/NSDictionary.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSTimer.h>
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#include <Foundation/NSRunLoop.h>
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#include <Foundation/NSMapTable.h>
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@class NSDistantObject;
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@class NSPort;
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@class NSData;
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/*
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* Keys for the NSDictionary returned by [NSConnection -statistics]
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*/
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/* These in OPENSTEP 4.2 */
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GS_EXPORT NSString *NSConnectionRepliesReceived;
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GS_EXPORT NSString *NSConnectionRepliesSent;
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GS_EXPORT NSString *NSConnectionRequestsReceived;
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GS_EXPORT NSString *NSConnectionRequestsSent;
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/* These Are GNUstep extras */
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GS_EXPORT NSString *NSConnectionLocalCount; /* Objects sent out */
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GS_EXPORT NSString *NSConnectionProxyCount; /* Objects received */
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/*
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* NSConnection class interface.
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*
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* A few methods are in the specification but not yet implemented.
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*/
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@interface NSConnection : NSObject
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{
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@private
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BOOL is_valid;
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BOOL independent_queueing;
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unsigned request_depth;
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NSPort *receive_port;
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NSPort *send_port;
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unsigned message_count;
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unsigned req_out_count;
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unsigned req_in_count;
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unsigned rep_out_count;
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unsigned rep_in_count;
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NSMapTable *local_objects;
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NSMapTable *local_targets;
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NSMapTable *remote_proxies;
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NSTimeInterval reply_timeout;
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NSTimeInterval request_timeout;
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Class receive_port_class;
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Class send_port_class;
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Class encoding_class;
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id delegate;
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NSMutableArray *request_modes;
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}
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+ (NSArray*) allConnections;
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+ (NSConnection*) connectionWithRegisteredName: (NSString*)n
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host: (NSString*)h;
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+ (id)currentConversation;
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+ (NSConnection*) defaultConnection;
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+ (NSDistantObject*) rootProxyForConnectionWithRegisteredName: (NSString*)name
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host: (NSString*)host;
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- (void) addRequestMode: (NSString*)mode;
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- (void) addRunLoop: (NSRunLoop *)runloop;
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- (id) delegate;
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- (void) enableMultipleThreads;
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- (BOOL) multipleThreadsEnabled;
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- (BOOL) independentConversationQueueing;
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- (void) invalidate;
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- (BOOL) isValid;
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- (BOOL) registerName: (NSString*)name;
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- (NSArray *) remoteObjects;
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- (void) removeRequestMode: (NSString*)mode;
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- (void) removeRunLoop: (NSRunLoop *)runloop;
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- (NSTimeInterval) replyTimeout;
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- (NSArray*) requestModes;
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- (NSTimeInterval) requestTimeout;
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- (id) rootObject;
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- (NSDistantObject*) rootProxy;
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- (void) setDelegate: anObj;
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- (void) setIndependentConversationQueueing: (BOOL)flag;
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- (void) setReplyTimeout: (NSTimeInterval)seconds;
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- (void) setRequestMode: (NSString*)mode;
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- (void) setRequestTimeout: (NSTimeInterval)seconds;
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- (void) setRootObject: anObj;
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- (NSDictionary*) statistics;
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@end
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/*
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* This catagory contains methods which were not in the original
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* OpenStep specification, but which are in OPENSTEP.
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* Some methods are not yet implemented.
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*/
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@interface NSConnection (OPENSTEP)
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+ (NSConnection*) connectionWithReceivePort: (NSPort*)r
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sendPort: (NSPort*)s;
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- initWithReceivePort: (NSPort*)r
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sendPort: (NSPort*)s;
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- (NSPort*) receivePort;
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- (void) runInNewThread;
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- (NSPort*) sendPort;
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@end
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/*
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* This catagory contains legacy methods from the original GNU 'Connection'
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* class, and useful extensions to NSConnection.
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*/
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@interface NSConnection (GNUstepExtensions) <GCFinalization>
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- (void) gcFinalize;
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/* Setting and getting class configuration */
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+ (Class) defaultReceivePortClass;
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+ (void) setDefaultReceivePortClass: (Class) aPortClass;
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+ (Class) defaultSendPortClass;
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+ (void) setDefaultSendPortClass: (Class) aPortClass;
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+ (Class) defaultProxyClass;
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+ (void) setDefaultProxyClass: (Class) aClass;
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+ (int) defaultOutTimeout;
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+ (void) setDefaultOutTimeout: (int)to;
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+ (int) defaultInTimeout;
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+ (void) setDefaultInTimeout: (int)to;
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/* Querying the state of all the connections */
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+ (int) messagesReceived;
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+ (unsigned) connectionsCount;
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+ (unsigned) connectionsCountWithInPort: (NSPort*)aPort;
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/* Registering your server object on the network.
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These methods create a new connection object that must be "run" in order
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to start handling requests from clients.
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These method names may change when we get the capability to register
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ports with names after the ports have been created. */
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/* I want the second method name to clearly indicate that we're not
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connecting to a pre-existing registration name, we're registering a
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new name, and this method will fail if that name has already been
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registered. This is why I don't like "newWithRegisteredName:" ---
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it's unclear if we're connecting to another NSConnection that already
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registered with that name. */
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+ (NSConnection*) newWithRootObject: anObj;
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+ (NSConnection*) newRegisteringAtName: (NSString*)n
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withRootObject: anObj;
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+ (NSConnection*) newRegisteringAtName: (NSString*)n
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atPort: (int)portn
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withRootObject: anObj;
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+ (NSConnection*) connectionByOutPort: (NSPort*)aPort;
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/* Get a proxy to a remote server object.
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A new connection is created if necessary. */
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+ (NSDistantObject*) rootProxyAtName: (NSString*)name onHost: (NSString*)host;
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+ (NSDistantObject*) rootProxyAtName: (NSString*)name;
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+ (NSDistantObject*) rootProxyAtPort: (NSPort*)anOutPort;
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+ (NSDistantObject*) rootProxyAtPort: (NSPort*)anOutPort withInPort: (NSPort*)anInPort;
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/* This is the designated initializer for the NSConnection class.
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You don't need to call it yourself. */
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+ (NSConnection*) newForInPort: (NSPort*)anInPort outPort: (NSPort*)anOutPort
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ancestorConnection: (NSConnection*)ancestor;
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/* Make a connection object start listening for incoming requests. After
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after DATE. */
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- (void) runConnectionUntilDate: date;
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/* Same as above, but never time out. */
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- (void) runConnection;
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/* When you get an invalidation notification from a connection, use
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this method in order to find out if any of the proxy objects you're
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using are going away. */
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- (id) proxies;
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/* For getting the root object of a connection or port */
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+ rootObjectForInPort: (NSPort*)aPort;
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/* Used for setting the root object of a connection that we
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created without one, or changing the root object of a connection
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that already has one. */
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+ (void) setRootObject: anObj forInPort: (NSPort*)aPort;
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/* Querying and setting some instance variables */
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- (Class) receivePortClass;
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- (Class) sendPortClass;
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- (void) setReceivePortClass: (Class)aPortClass;
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- (void) setSendPortClass: (Class)aPortClass;
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- (Class) proxyClass;
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- (Class) encodingClass;
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- (Class) decodingClass;
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/* Only subclassers and power-users need worry about these */
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- (void) addProxy: (NSDistantObject*)aProxy;
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- (id) includesProxyForTarget: (gsu32)target;
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- (void) removeProxy: (NSDistantObject*)aProxy;
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// It seems to be a non pure-OPENSTEP definition...
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//
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// new def :
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- (NSArray*)localObjects;
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- (void) addLocalObject: anObj;
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- (id) includesLocalObject: anObj;
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- (void) removeLocalObject: anObj;
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- (retval_t) forwardForProxy: (NSDistantObject*)object
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selector: (SEL)sel
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argFrame: (arglist_t)frame;
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- (const char *) typeForSelector: (SEL)sel remoteTarget: (unsigned)target;
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@end
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GS_EXPORT NSString *ConnectionBecameInvalidNotification;
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@interface Object (NSConnectionDelegate)
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- (BOOL) connection: (NSConnection*)parent
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shouldMakeNewConnection: (NSConnection*)newConnection;
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/*
|
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* This method may be used to ask a delegates permission to create
|
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* a new connection from the old one.
|
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* This method should be implemented in preference to the
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* [makeNewConnection:sender:] which is obsolete.
|
||
*/
|
||
- (BOOL) makeNewConnection: (NSConnection*)newConnection
|
||
sender: (NSConnection*)parent;
|
||
/*
|
||
* This is the old way of doing the same thing as
|
||
* [connection:shouldMakeNewConnection:]
|
||
* It is obsolete - don't use it.
|
||
*/
|
||
- (NSConnection*) connection: ancestorConn didConnect: newConn;
|
||
/*
|
||
* If the delegate responds to this method, it will be used to ask the
|
||
* delegate's permission to establish a new connection from the old one.
|
||
* Often this is used so that the delegate can register for invalidation
|
||
* notification on new child connections.
|
||
* This is a GNUstep extension
|
||
* Normally return newConn.
|
||
*/
|
||
@end
|
||
|
||
@interface Object (NSPortCoder)
|
||
- (Class) classForPortCoder;
|
||
/*
|
||
* Must return the class that will be created on the remote side
|
||
* of the connection. If the class to be created is not the same
|
||
* as that of the object returned by replacementObjectForPortCoder:
|
||
* then the class must be capable of recognising the object it
|
||
* actually gets in its initWithCoder: method.
|
||
* The default operation is to return NSDistantObject unless the
|
||
* object is being sent bycopy, in which case the objects actual
|
||
* class is returned. To force bycopy operation the object should
|
||
* return its own class.
|
||
*/
|
||
- (id) replacementObjectForPortCoder: (NSPortCoder*)aCoder;
|
||
/*
|
||
* This message is sent to an object about to be encoded for sending
|
||
* over the wire. The default action is to return an NSDistantObject
|
||
* which is a local proxy for the object unless the object is being
|
||
* sent bycopy, in which case the actual object is returned.
|
||
* To force bycopy, an object should return itsself.
|
||
*/
|
||
|
||
|
||
- (BOOL)authenticateComponents: (NSArray *)components
|
||
withData: (NSData *)authenticationData;
|
||
- (NSData *)authenticationDataForComponents: (NSArray *)components;
|
||
|
||
@end
|
||
|
||
#define CONNECTION_DEFAULT_TIMEOUT 15.0 /* in seconds */
|
||
|
||
/*
|
||
* NSRunLoop mode, NSNotification name and NSException strings.
|
||
*/
|
||
GS_EXPORT NSString *NSConnectionReplyMode;
|
||
GS_EXPORT NSString *NSConnectionDidDieNotification;
|
||
GS_EXPORT NSString *NSConnectionDidInitializeNotification; /* OPENSTEP */
|
||
|
||
/*
|
||
* For compatibility with old GNU DO code -
|
||
*/
|
||
#define RunLoopConnectionReplyMode NSConnectionReplyMode
|
||
#define ConnectionBecameInvalidNotification NSConnectionDidDieNotification
|
||
#define ConnectionWasCreatedNotification NSConnectionDidInitializeNotification
|
||
|
||
#endif /* __NSConnection_h_GNUSTEP_BASE_INCLUDE */
|
||
#endif
|