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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* include/net-server.h */
/*
* Copyright (C) 2010 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
/* Declarations for "API" of network listener/dispatcher in libapputils. */
#ifndef NET_SERVER_H
#define NET_SERVER_H
#include <verto.h>
typedef struct _krb5_fulladdr {
krb5_address * address;
krb5_ui_4 port;
} krb5_fulladdr;
/* exported from network.c */
void init_addr(krb5_fulladdr *, struct sockaddr *);
/* exported from net-server.c */
verto_ctx *loop_init(verto_ev_type types);
krb5_error_code loop_add_udp_port(int port);
krb5_error_code loop_add_tcp_port(int port);
krb5_error_code loop_add_rpc_service(int port, u_long prognum, u_long versnum,
void (*dispatch)());
krb5_error_code loop_setup_routing_socket(verto_ctx *ctx, void *handle,
const char *progname);
krb5_error_code loop_setup_network(verto_ctx *ctx, void *handle,
const char *progname);
krb5_error_code loop_setup_signals(verto_ctx *ctx, void *handle,
void (*reset)());
void loop_free(verto_ctx *ctx);
/* to be supplied by the server application */
/*
* Two routines for processing an incoming message and getting a
* result to send back.
*
* The first, dispatch(), is for normal processing of a request. The
* second, make_toolong_error(), is obviously for generating an error
* to send back when the incoming message is bigger than
* the main loop can accept.
*/
typedef void (*loop_respond_fn)(void *arg, krb5_error_code code,
krb5_data *response);
void dispatch(void *handle, struct sockaddr *local_addr,
const krb5_fulladdr *remote_addr, krb5_data *request,
int is_tcp, loop_respond_fn respond, void *arg);
krb5_error_code make_toolong_error (void *handle, krb5_data **);
/*
* Contexts are needed in lots of places. Opaque application-provided
* handles are passed around in lots of place, but contexts are not.
* For now, we'll require that the application provide us an easy way
* to get at a context; eventually it should probably be explicity.
*/
krb5_context get_context(void *handle);
#endif /* NET_SERVER_H */
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