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72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
#ifndef __TRACKERLOGIC_H__
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#define __TRACKERLOGIC_H__
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/* Should be called BYTE, WORD, DWORD - but some OSs already have that and there's no #iftypedef */
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/* They mark memory used as data instead of integer or human readable string -
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they should be cast before used as integer/text */
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typedef unsigned char ot_byte;
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typedef unsigned short ot_word;
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typedef unsigned long ot_dword;
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typedef unsigned long ot_time;
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typedef ot_byte ot_hash[20];
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typedef ot_byte ot_ip[ 4/*0*/ ];
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// tunables
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const unsigned long OT_TIMEOUT = 2700;
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const unsigned long OT_HUGE_FILESIZE = 1024*1024*256; // Thats 256MB per file, enough for 204800 peers of 128 bytes
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// We will not service v6, yes
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#define OT_COMPACT_ONLY
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#define MEMMOVE memmove
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#define BZERO bzero
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#define FORMAT_FIXED_STRING sprintf
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#define FORMAT_FORMAT_STRING sprintf
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#define BINARY_FIND binary_search
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#define NOW time(NULL)
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typedef struct ot_peer {
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#ifndef OT_COMPACT_ONLY
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ot_hash id;
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ot_hash key;
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#endif
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ot_ip ip;
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ot_word port;
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ot_time death;
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ot_byte flags;
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} *ot_peer;
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ot_byte PEER_FLAG_SEEDING = 0x80;
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ot_byte PEER_IP_LENGTH_MASK = 0x3f;
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typedef struct {
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ot_hash hash;
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ot_peer peer_list;
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unsigned long peer_count;
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unsigned long seed_count;
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} *ot_torrent;
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void *map_file( char *file_name );
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void unmap_file( char *file_name, void *map, unsigned long real_size );
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// This behaves quite like bsearch but allows to find
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// the insertion point for inserts after unsuccessful searches
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// in this case exactmatch is 0 on exit
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//
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void *binary_search( const void *key, const void *base,
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const unsigned long member_count, const unsigned long member_size,
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int (*compar) (const void *, const void *),
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int *exactmatch );
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//
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// Exported functions
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//
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int init_logic( char *chdir_directory );
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void deinit_logic( );
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ot_torrent add_peer_to_torrent( ot_hash hash, ot_peer peer );
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void return_peers_for_torrent( ot_torrent torrent, unsigned long amount, char *reply );
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void heal_torrent( ot_torrent torrent );
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#endif
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