paulo@0: /*
paulo@0:  * $Id: gt_query_route.h,v 1.12 2003/09/22 21:11:10 hipnod Exp $
paulo@0:  *
paulo@0:  * Copyright (C) 2001-2003 giFT project (gift.sourceforge.net)
paulo@0:  *
paulo@0:  * This program is free software; you can redistribute it and/or modify it
paulo@0:  * under the terms of the GNU General Public License as published by the
paulo@0:  * Free Software Foundation; either version 2, or (at your option) any
paulo@0:  * later version.
paulo@0:  *
paulo@0:  * This program is distributed in the hope that it will be useful, but
paulo@0:  * WITHOUT ANY WARRANTY; without even the implied warranty of
paulo@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
paulo@0:  * General Public License for more details.
paulo@0:  */
paulo@0: 
paulo@0: #ifndef __GT_QUERY_ROUTE_H__
paulo@0: #define __GT_QUERY_ROUTE_H__
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: /*
paulo@0:  * Delimiters for words in the query-router protocol hash function.
paulo@0:  * This is what LimeWire uses.
paulo@0:  */
paulo@0: #define QRP_DELIMITERS       " -._+/*()\\/"
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: struct gt_packet;
paulo@0: struct gt_zlib_stream;
paulo@0: 
paulo@0: typedef struct gt_query_router GtQueryRouter;
paulo@0: typedef struct gt_query_patch  GtQueryPatch;
paulo@0: 
paulo@0: struct gt_query_patch
paulo@0: {
paulo@0: 	int       seq_size;
paulo@0: 	int       seq_num;
paulo@0: 	int       compressed;
paulo@0: 
paulo@0: 	/* where the last patch left off in the table */
paulo@0: 	int       table_pos;
paulo@0: 
paulo@0: 	struct gt_zlib_stream  *stream;
paulo@0: };
paulo@0: 
paulo@0: struct gt_query_router
paulo@0: {
paulo@0: 	char          *table;
paulo@0: 	size_t         size;
paulo@0: 
paulo@0: 	GtQueryPatch  *patch;
paulo@0: };
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: uint32_t          gt_query_router_hash_str (char *words, size_t bits);
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: void              gt_query_router_self_init    (void);
paulo@0: void              gt_query_router_self_destroy (void);
paulo@0: uint8_t          *gt_query_router_self         (size_t *size, int *version);
paulo@0: void              gt_query_router_self_add     (Share *share);
paulo@0: void              gt_query_router_self_remove  (Share *share);
paulo@0: void              gt_query_router_self_sync    (BOOL begin);
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: GtQueryRouter *gt_query_router_new    (size_t size, int infinity);
paulo@0: void           gt_query_router_free   (GtQueryRouter *router);
paulo@0: 
paulo@0: void           gt_query_router_update (GtQueryRouter *router, 
paulo@0:                                        size_t seq_num, size_t seq_size, 
paulo@0:                                        int compressed, int bits, 
paulo@0:                                        unsigned char *zdata, size_t size);
paulo@0: 
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: void    query_route_table_submit   (TCPC *c);
paulo@0: void    query_route_table_reset    (TCPC *c);
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: #endif /* __GT_QUERY_ROUTE_H__ */