CppDistributors: hash.h Source File

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00001 #ifndef _CRUSH_HASH_H
00002 #define _CRUSH_HASH_H
00003 
00004 #include<stdint.h>
00005 #include "Distributor.h"
00006 
00007 #define CRUSH_HASH_RJENKINS1   0
00008 
00009 #define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1
00010 
00011 extern const char *crush_hash_name(int type);
00012 /*
00013 extern uint32_t crush_hash32(int type, uint32_t a);
00014 extern uint32_t crush_hash32_2(int type, uint32_t a, uint32_t b);
00015 extern uint32_t crush_hash32_3(int type, uint32_t a, uint32_t b, uint32_t c);
00016 extern uint32_t crush_hash32_4(int type, uint32_t a, uint32_t b, uint32_t c, uint32_t d);
00017 extern uint32_t crush_hash32_5(int type, uint32_t a, uint32_t b, uint32_t c, uint32_t d,
00018                             uint32_t e);
00019 */
00020 uint64_t disthash(VDRIVE::Distributor *crush_dist, int64_t key1);
00021 uint64_t disthash_2(VDRIVE::Distributor *crush_dist, int64_t key1, int64_t key2);
00022 uint64_t disthash_3(VDRIVE::Distributor *crush_dist, int64_t key1, int64_t key2, int64_t key3);
00023 uint64_t disthash_4(VDRIVE::Distributor *crush_dist, int64_t key1, int64_t key2, int64_t key3, int64_t key4);
00024 uint64_t disthash_5(VDRIVE::Distributor *crush_dist, int64_t key1, int64_t key2, int64_t key3, int64_t key4, int64_t key5);
00025 
00026 
00027 #endif