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/*
* tcpproxy
*
* tcpproxy is a simple tcp connection proxy which combines the
* features of rinetd and 6tunnel. tcpproxy supports IPv4 and
* IPv6 and also supports connections from IPv6 to IPv4
* endpoints and vice versa.
*
*
* Copyright (C) 2010-2013 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of tcpproxy.
*
* tcpproxy is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* tcpproxy is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with tcpproxy. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TCPPROXY_listener_h_INCLUDED
#define TCPPROXY_listener_h_INCLUDED
#include <sys/select.h>
#include "slist.h"
#include "tcp.h"
#include "clients.h"
enum listener_state_enum { NEW, ACTIVE, ZOMBIE };
typedef enum listener_state_enum listener_state_t;
typedef struct {
int fd_;
tcp_endpoint_t local_end_;
tcp_endpoint_t remote_end_;
tcp_endpoint_t source_end_;
listener_state_t state_;
} listener_t;
void listeners_delete_element(void* e);
typedef slist_t listeners_t;
int listeners_init(listeners_t* list);
void listeners_clear(listeners_t* list);
int listeners_add(listeners_t* list, const char* laddr, resolv_type_t lrt, const char* lport, const char* raddr, resolv_type_t rrt, const char* rport, const char* saddr);
int listeners_update(listeners_t* list);
void listeners_revert(listeners_t* list);
void listeners_remove(listeners_t* list, int fd);
listener_t* listeners_find(listeners_t* list, int fd);
void listeners_print(listeners_t* list);
void listeners_read_fds(listeners_t* list, fd_set* set, int* max_fd);
int listeners_handle_accept(listeners_t* list, clients_t* clients, fd_set* set);
#endif
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