#ifndef _PLUGIN_H
#define _PLUGIN_H

#ifdef __cpluscplus
extern "C"
{
#endif

#include "session.h"

typedef int plugin_init_callback(void);
typedef void plugin_exit_callback(void);

/******************************************************************************
 * Public API For Plugin
 ******************************************************************************/

/*
 * The pm_session_dettach_me just sets the flag to disable this plugin and no longer call this event callback.
 * Before calling pm_session_dettach_me, the current plugin must release related resources for the current session.
 */
void pm_session_dettach_me(const struct stellar_session *session);

/*
 * The current plugin takes over the current session, the pm_session_take_over setting flag disables other plugins,
 * and the current session does not call other plugins except for the SESSION_EVENT_CLOSING event.
 *
 * The current plugin may be taken over while the session is open (SESSION_EVENT_OPENING),
 * other plugins event_cb is not called, the session pme on other plugins is NULL,
 * When the session is closed (SESSION_EVENT_CLOSING), call other plugin even_cb to destroy pme must check if pme is NULL.
 */
void pm_session_take_over(const struct stellar_session *session);

#ifdef __cpluscplus
}
#endif

#endif