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73 lines
3.2 KiB
73 lines
3.2 KiB
/******************************************************************************
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* Copyright © 2014-2016 The SuperNET Developers. *
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* *
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* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
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* the top-level directory of this distribution for the individual copyright *
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* holder information and the developer policies on copyright and licensing. *
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* *
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* Unless otherwise agreed in a custom licensing agreement, no part of the *
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* SuperNET software, including this file may be copied, modified, propagated *
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* or distributed except according to the terms contained in the LICENSE file *
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* *
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* Removal or modification of this copyright notice is prohibited. *
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* *
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******************************************************************************/
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#include "iguana777.h"
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int32_t SuperNET_hexmsgfind(struct supernet_info *myinfo,bits256 category,bits256 subhash,char *hexmsg,int32_t addflag)
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{
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static int lastpurge; static uint64_t Packetcache[1024];
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bits256 packethash; int32_t i,datalen;
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datalen = (int32_t)strlen(hexmsg) + 1;
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vcalc_sha256(0,packethash.bytes,(void *)hexmsg,datalen);
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if ( bits256_nonz(category) == 0 )
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category = GENESIS_PUBKEY;
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if ( bits256_nonz(subhash) == 0 )
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subhash = GENESIS_PUBKEY;
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packethash = curve25519(category,packethash);
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//printf("addflag.%d packethash.%llx dest.%llx\n",addflag,(long long)packethash.txid,(long long)category.txid);
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for (i=0; i<sizeof(Packetcache)/sizeof(*Packetcache); i++)
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{
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if ( Packetcache[i] == 0 )
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{
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if ( addflag != 0 )
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{
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Packetcache[i] = packethash.txid;
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//printf("add.%llx packetcache(%s) -> slot[%d]\n",(long long)packethash.txid,hexmsg,i);
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}
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break;
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}
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else if ( Packetcache[i] == packethash.txid )
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{
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printf("SuperNET_DHTsend reject duplicate packet.%llx\n",(long long)packethash.txid);
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return(i);
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}
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}
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if ( i == sizeof(Packetcache)/sizeof(*Packetcache) )
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{
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if ( addflag != 0 )
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{
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printf("purge slot[%d]\n",lastpurge);
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Packetcache[lastpurge++] = packethash.txid;
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if ( lastpurge >= sizeof(Packetcache)/sizeof(*Packetcache) )
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lastpurge = 0;
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}
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}
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return(-1);
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}
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void SuperNET_hexmsgadd(struct supernet_info *myinfo,bits256 category,bits256 subhash,char *hexmsg,struct tai now)
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{
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char str[512],str2[65];
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if ( memcmp(category.bytes,GENESIS_PUBKEY.bytes,sizeof(category)) == 0 )
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strcpy(str,"BROADCAST.");
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else bits256_str(str,category);
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if ( memcmp(subhash.bytes,GENESIS_PUBKEY.bytes,sizeof(subhash)) != 0 )
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{
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bits256_str(str2,subhash);
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strcat(str,str2);
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}
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category_posthexmsg(myinfo,category,subhash,hexmsg,now);
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//printf("HEXMSG.(%s) -> %s\n",hexmsg,str);
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}
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