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https://github.com/solemnwarning/ipxwrapper
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The IPX/SPX protocol versions in 98/2000/XP only require the second socket to have SO_REUSEADDR when attempting to bind to an already-used address. The state of the option on the first socket is ignored. The ADDR_TABLE_ENTRY_REUSE flag is kept and set on all sockets in the address table to keep compatibility with previous versions.
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/* IPXWrapper - Address table
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* Copyright (C) 2008-2014 Daniel Collins <solemnwarning@solemnwarning.net>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef ADDRTABLE_H
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#define ADDRTABLE_H
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#include <wsipx.h>
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#include <stdint.h>
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#include <time.h>
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#include "addr.h"
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#define ADDR_TABLE_MAX_ENTRIES 512
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#define ADDR_TABLE_ENTRY_TIMEOUT 10
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#define ADDR_TABLE_MUTEX "IPXWrapper_addr_table_mutex"
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#define ADDR_TABLE_NAME "IPXWrapper_addr_table"
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#define ADDR_TABLE_VERSION 1
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typedef struct addr_table_header addr_table_header_t;
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struct addr_table_header
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{
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int version;
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};
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#define ADDR_TABLE_ENTRY_VALID ((int)(1<<0))
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#define ADDR_TABLE_ENTRY_REUSE ((int)(1<<1))
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typedef struct addr_table_entry addr_table_entry_t;
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struct addr_table_entry
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{
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addr32_t netnum;
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addr48_t nodenum;
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uint16_t socket;
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int flags;
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uint16_t port;
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time_t time;
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};
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void addr_table_init(void);
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void addr_table_cleanup(void);
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void addr_table_lock(void);
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void addr_table_unlock(void);
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bool addr_table_check(const struct sockaddr_ipx *addr);
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uint16_t addr_table_auto_socket(void);
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void addr_table_add(const struct sockaddr_ipx *addr, uint16_t port);
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void addr_table_remove(uint16_t port);
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void addr_table_update(void);
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#endif /* !ADDRTABLE_H */
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