/*
 * N E T   W A T C H E R
 *
 * This module watches network connections for sockets becoming readable or
 * writeable and invokes callbacks. It also provides a timer mechanism.
 *
 * Douglas Clowes, February 2007
 *
 */
#ifndef SICSNETWATCHER
#define SICSNETWATCHER

#define DFC_NWATCH 1
#define nwatch_read 1
#define nwatch_write 2
/* the callback function */
typedef int (*pNWCallback)(void* context, int mode);

/* the timer methods */
typedef struct __netwatchtimer *pNWTimer;
int NetWatchRegisterTimer(pNWTimer* handle, int mSec,
    pNWCallback callback, void* context);
int NetWatchRemoveTimer(pNWTimer handle);

/* the socket methods */
typedef struct __netwatchcontext *pNWContext;
int NetWatchRegisterCallback(pNWContext* handle, int iSocket,
    pNWCallback callback, void* context);
int NetWatchRemoveCallback(pNWContext handle);
int NetWatchGetMode(pNWContext handle);
int NetWatchSetMode(pNWContext handle, int mode);

#endif /* SICSNETWATCHER */