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/*
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* Copyright (C) 2000,2001 Onlyer (onlyer@263.net)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef INCLUDED_CONNECTION_H
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#define INCLUDED_CONNECTION_H
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#include "common/queue.h"
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#include "common/hashtable.h"
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#include "common/packet.h"
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#include "common/fdwatch.h"
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#include "d2charfile.h"
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#include "gamequeue.h"
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typedef enum
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{
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conn_state_none = 0x00,
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conn_state_init = 0x01,
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conn_state_connecting = 0x02,
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conn_state_connected = 0x04,
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conn_state_authed = 0x08,
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conn_state_char_authed = 0x10,
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conn_state_destroy = 0x20,
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conn_state_destroying = 0x40,
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conn_state_any = 0xff
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} t_conn_state;
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typedef enum
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{
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conn_class_none,
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conn_class_init,
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conn_class_d2cs,
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conn_class_d2gs,
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conn_class_bnetd
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} t_conn_class;
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typedef struct
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{
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char const * charname;
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char const * account;
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int sock;
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int fdw_idx;
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unsigned int socket_flag;
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unsigned int addr;
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unsigned int local_addr;
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unsigned short port;
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unsigned short local_port;
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unsigned int last_active;
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t_conn_class class;
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t_conn_state state;
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unsigned int sessionnum;
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t_queue * outqueue;
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unsigned int outsize;
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unsigned int outsizep;
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t_packet * inqueue;
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unsigned int insize;
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t_d2charinfo_summary const * charinfo;
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unsigned int d2gs_id;
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t_gq * gamequeue;
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unsigned int bnetd_sessionnum;
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unsigned int sessionnum_hash;
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unsigned int charname_hash;
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/* by sowater, 200503031 */
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char checknum;
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/* by Leaflet, 20050613 */
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int checknum_error_count;
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} t_connection;
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typedef int ( * packet_handle_func) (t_connection * c, t_packet * packet);
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typedef struct
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{
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unsigned int size;
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t_conn_state state;
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packet_handle_func handler;
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} t_packet_handle_table;
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#define SOCKET_FLAG_READ 0x1
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#define SOCKET_FLAG_WRITE 0x2
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extern t_hashtable * d2cs_connlist(void);
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extern int d2cs_connlist_destroy(void);
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extern int d2cs_connlist_reap(void);
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extern int d2cs_connlist_create(void);
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extern int conn_check_multilogin(t_connection const * c,char const * charname);
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extern t_connection * d2cs_connlist_find_connection_by_sessionnum(unsigned int sessionnum);
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extern t_connection * d2cs_connlist_find_connection_by_charname(char const * charname);
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extern int conn_handle_socket(t_connection * c);
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extern t_connection * d2cs_conn_create(int sock, unsigned int local_addr, unsigned short local_port,
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unsigned int addr, unsigned short port);
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extern int d2cs_conn_destroy(t_connection * c, t_elem ** elem);
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extern int d2cs_conn_get_socket(t_connection const * c);
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extern unsigned int d2cs_conn_get_sessionnum(t_connection const * c);
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extern t_conn_class d2cs_conn_get_class(t_connection const * c);
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extern int d2cs_conn_set_class(t_connection * c, t_conn_class class);
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extern t_conn_state d2cs_conn_get_state(t_connection const * c);
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extern int d2cs_conn_set_state(t_connection * c, t_conn_state state);
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extern t_queue * * d2cs_conn_get_out_queue(t_connection const * c);
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extern t_packet * d2cs_conn_get_in_queue(t_connection const * c);
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extern void d2cs_conn_set_in_queue(t_connection * c, t_packet * packet);
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extern unsigned int d2cs_conn_get_in_size(t_connection const * c);
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extern unsigned int d2cs_conn_get_out_size(t_connection const * c);
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extern int conn_push_outqueue(t_connection * c, t_packet * packet);
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extern t_packet * conn_peek_outqueue(t_connection * c);
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extern t_packet * conn_pull_outqueue(t_connection * c);
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extern int conn_add_socket_flag(t_connection * c, unsigned int flag);
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extern int conn_process_packet(t_connection * c, t_packet * packet, t_packet_handle_table * table,
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unsigned int table_size);
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extern int d2cs_conn_set_account(t_connection * c, char const * account);
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extern int d2cs_conn_set_charname(t_connection * c, char const * charname);
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extern char const * d2cs_conn_get_account(t_connection const * c);
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extern char const * d2cs_conn_get_charname(t_connection const * c);
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extern int conn_set_charinfo(t_connection * c, t_d2charinfo_summary const * charinfo);
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extern unsigned int conn_get_charinfo_ladder(t_connection const * c);
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extern unsigned int conn_get_charinfo_expansion(t_connection const * c);
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extern unsigned int conn_get_charinfo_hardcore(t_connection const * c);
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extern unsigned int conn_get_charinfo_dead(t_connection const * c);
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extern unsigned int conn_get_charinfo_difficulty(t_connection const * c);
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extern unsigned int conn_get_charinfo_level(t_connection const * c);
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extern unsigned int conn_get_charinfo_class(t_connection const * c);
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extern unsigned int conn_get_d2gs_id(t_connection const * c);
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extern int conn_set_d2gs_id(t_connection * c, unsigned int d2gs_id);
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extern unsigned int d2cs_conn_get_addr(t_connection const * c);
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extern unsigned short d2cs_conn_get_port(t_connection const * c);
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extern t_gq * conn_get_gamequeue(t_connection const * c);
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extern int conn_set_gamequeue(t_connection * c, t_gq * gq);
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extern int conn_set_bnetd_sessionnum(t_connection * c, unsigned int sessionnum);
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extern unsigned int conn_get_bnetd_sessionnum(t_connection const * c);
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extern int conn_add_fd(t_connection * c, t_fdwatch_type rw, fdwatch_handler handler);
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extern int connlist_check_timeout(void);
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/* by sowater, 20050331 */
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extern int d2cs_conn_set_checknum(t_connection * c, char checknum);
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extern char d2cs_conn_get_checknum(t_connection * c);
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/* by Leaflet, 20060613 */
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extern int d2cs_conn_verify_checknum(t_connection *c, char checksum);
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#endif
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