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/*
 *	Ivy, C interface
 *
 *	Copyright (C) 1997-2000
 *	Centre d'Études de la Navigation Aérienne
 *
 * 	Main functions
 *
 *	Authors: François-Régis Colin <fcolin@cena.dgac.fr>
 *		 Stéphane Chatty <chatty@cena.dgac.fr>
 *
 *	$Id: ivy.h,v 1.8 2000/08/07 11:29:29 sc Exp $
 * 
 *	Please refer to file version.h for the
 *	copyright notice regarding this software
 */

#ifndef IVY_C_BINDINGS_H
#define IVY_C_BINDINGS_H


#ifdef __cplusplus
extern "C" {
#endif

#ifdef  WIN32
#ifdef IVY_EXPORTS
#define DLL_EXPORT _declspec(dllexport)
#else
#pragma comment(lib,"Ivy.LIB" )
#define DLL_EXPORT /*_declspec(dllimport)*/
#endif
#endif


/* numero par default du bus */

#define DEFAULT_BUS 2010

typedef void * Channel ;
typedef int TimerId;

typedef void * IvyClientPtr;

typedef enum { IvyApplicationConnected, IvyApplicationDisconnected } IvyApplicationEvent;

extern void IvyDefaultApplicationCallback( IvyClientPtr app, void *user_data, IvyApplicationEvent evt ) ;

/* callback callback appele sur connexion deconnexion d'une appli */
typedef void (*IvyCApplicationCallback)( IvyClientPtr app, void *user_data, IvyApplicationEvent evt ) ;

/* callback appele sur reception de die */
typedef void (*IvyCDieCallback)( IvyClientPtr app, void *user_data, int id ) ;

/* callback appele sur reception de messages normaux */
typedef void (*IvyCMsgCallback)( IvyClientPtr app, void *user_data, int argc, const char **argv ) ;

/* callback appele sur reception de messages directs */
typedef void (*IvyCMsgDirectCallback)( IvyClientPtr app, void *user_data, int id, char *msg ) ;

/* identifiant d'une expression reguliere ( Bind/Unbind ) */
typedef int MsgRcvPtr;

/* filtrage des regexps */
DLL_EXPORT void IvyClasses( int argc, const char **argv);

DLL_EXPORT void IvyInit(
	 const char *AppName,		/* nom de l'application */
	 const char *ready,		/* ready Message peut etre NULL */
	 IvyCApplicationCallback callback, /* callback appele sur connection deconnection d'une appli */
	 void *data,			/* user data passe au callback */
	 IvyCDieCallback die_callback,	/* last change callback before die */
	 void *die_data	);		/* user data */

DLL_EXPORT void IvyStart (const char*);
DLL_EXPORT void IvyStop ();

/* query sur les applications connectees */
DLL_EXPORT const char *IvyGetApplicationName( IvyClientPtr app );
DLL_EXPORT const char *IvyGetApplicationHost( IvyClientPtr app );
DLL_EXPORT IvyClientPtr IvyGetApplication( char *name );
DLL_EXPORT const char *IvyGetApplicationList();
DLL_EXPORT const char **IvyGetApplicationMessages( IvyClientPtr app); /* demande de reception d'un message */

DLL_EXPORT MsgRcvPtr IvyBindMsg( IvyCMsgCallback callback, void *user_data, const char *fmt_regexp, ... ); /* avec sprintf prealable */
DLL_EXPORT void IvyUnbindMsg( MsgRcvPtr id );

/* emission d'un message d'erreur */
DLL_EXPORT void IvySendError( IvyClientPtr app, int id, const char *fmt, ... );

/* emmission d'un message die pour terminer l'application */
DLL_EXPORT void IvySendDieMsg( IvyClientPtr app );

/* emission d'un message retourne le nb effectivement emis */

DLL_EXPORT int IvySendMsg( const char *fmt_message, ... );		/* avec sprintf prealable */

/* Message Direct Inter-application */

DLL_EXPORT void IvyBindDirectMsg( IvyCMsgDirectCallback callback, void *user_data);
DLL_EXPORT void IvySendDirectMsg( IvyClientPtr app, int id, char *msg );

/* mainloop */

DLL_EXPORT void IvyMainLoop();

#ifdef __cplusplus
}
#endif

#endif