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/* SOCKDEV.H (c) Copyright Malcolm Beattie, 2001 */
/* Hercules socket device header file */
#include "htypes.h"
#ifndef _SOCKDEV_H_
#define _SOCKDEV_H_
/*-------------------------------------------------------------------*/
/* The sockdev callback function is an optional callback function */
/* that the sockdev connection handler calls after the connection */
/* has been established but before it has logged the connection to */
/* the console. The boolean return code from the callback indicates */
/* true or false (!0 or 0) whether the connection should be accepted */
/* or not. If the return from the callback is 0 (false), the socket */
/* is immediately closed and the "connection not accepted" message */
/* is logged to the console. You should NOT perform any significant */
/* processing in your callback. If you need to do any significant */
/* processing you should instead create a worker to perform it in. */
/*-------------------------------------------------------------------*/
typedef int (*ONCONNECT)( DEVBLK* ); // onconnect callback function (opt)
/*-------------------------------------------------------------------*/
/* Bind structure for "Socket Devices" */
/*-------------------------------------------------------------------*/
struct bind_struct // Bind structure for "Socket Devices"
{
LIST_ENTRY bind_link; // (just a link in the chain)
DEVBLK *dev; // ptr to corresponding device block
char *spec; // socket_spec for listening socket
int sd; // listening socket to use in select
// NOTE: Following 2 fields malloc'ed.
char *clientname; // connected client's hostname
char *clientip; // conencted client's ip address
ONCONNECT fn; // ptr to onconnect callback func (opt)
void *arg; // argument for callback function (opt)
};
/* "Socket Device" functions */
extern int bind_device_ex (DEVBLK* dev, char* spec, ONCONNECT fn, void* arg );
extern int unbind_device_ex (DEVBLK* dev, int forced);
static inline int bind_device (DEVBLK* dev, char* spec) { return bind_device_ex ( dev, spec, NULL, NULL ); }
static inline int unbind_device (DEVBLK* dev) { return unbind_device_ex ( dev, 0 ); }
#endif // _SOCKDEV_H_
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