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543 lines
22 KiB
543 lines
22 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 "../iguana/iguana777.h"
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char *basilisk_finish(struct basilisk_item *ptr,int32_t besti,char *errstr)
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{
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int32_t i; char *retstr = 0;
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for (i=0; i<ptr->numresults; i++)
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{
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if ( besti >= 0 && i != besti )
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{
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if ( ptr->results[i] != 0 )
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free(ptr->results[i]);
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} else retstr = ptr->results[i];
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ptr->results[i] = 0;
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}
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if ( retstr == 0 )
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retstr = clonestr(errstr);
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ptr->retstr = retstr;
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ptr->finished = (uint32_t)time(NULL);
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return(retstr);
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}
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cJSON *basilisk_json(struct supernet_info *myinfo,cJSON *hexjson,uint32_t basilisktag,int32_t timeout)
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{
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char *str,*buf; cJSON *retjson;
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jaddnum(hexjson,"basilisktag",basilisktag);
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str = jprint(hexjson,0);
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buf = malloc(strlen(str)*2 + 1);
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init_hexbytes_noT(buf,(uint8_t *)str,(int32_t)strlen(str));
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free(str);
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retjson = cJSON_CreateObject();
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jaddstr(retjson,"hexmsg",buf);
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free(buf);
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jaddstr(retjson,"agent","SuperNET");
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jaddstr(retjson,"method","DHT");
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jaddnum(retjson,"request",1);
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jaddnum(retjson,"plaintext",1);
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jaddbits256(retjson,"categoryhash",myinfo->basilisk_category);
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jaddnum(retjson,"timeout",timeout);
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return(retjson);
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}
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char *basilisk_results(uint32_t basilisktag,cJSON *valsobj)
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{
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cJSON *resultobj = cJSON_CreateObject();
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jadd(resultobj,"vals",valsobj);
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jaddstr(resultobj,"agent","basilisk");
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jaddstr(resultobj,"method","result");
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jaddnum(resultobj,"plaintext",1);
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jaddnum(resultobj,"basilisktag",basilisktag);
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return(jprint(resultobj,1));
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}
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/*cJSON *basilisk_resultsjson(struct supernet_info *myinfo,char *symbol,char *remoteaddr,uint32_t basilisktag,int32_t timeoutmillis,char *retstr)
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{
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cJSON *hexjson=0,*retjson=0;
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if ( retstr != 0 )
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{
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if ( remoteaddr != 0 && remoteaddr[0] != 0 )
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{
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hexjson = cJSON_CreateObject();
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jaddstr(hexjson,"agent","basilisk");
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jaddstr(hexjson,"method","result");
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if ( (retjson= cJSON_Parse(retstr)) != 0 )
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jadd(hexjson,"vals",retjson);
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retjson = basilisk_json(myinfo,hexjson,basilisktag,timeoutmillis);
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free_json(hexjson);
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printf("resultsjson.(%s)\n",jprint(retjson,0));
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}
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else // local request
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retjson = cJSON_Parse(retstr);
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}
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return(retjson);
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}*/
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#include "basilisk_bitcoin.c"
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#include "basilisk_nxt.c"
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#include "basilisk_ether.c"
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#include "basilisk_waves.c"
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#include "basilisk_lisk.c"
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int32_t basilisk_submit(struct supernet_info *myinfo,cJSON *reqjson,int32_t timeout,int32_t fanout,struct basilisk_item *ptr)
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{
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int32_t i,j,k,l,r2,r,n; struct iguana_peer *addr; struct iguana_info *coin; char *reqstr; cJSON *tmpjson;
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tmpjson = basilisk_json(myinfo,reqjson,ptr->basilisktag,timeout);
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reqstr = jprint(tmpjson,1);
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printf("basilisk_submit.(%s)\n",reqstr);
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if ( fanout <= 0 )
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fanout = BASILISK_MINFANOUT;
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else if ( fanout > BASILISK_MAXFANOUT )
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fanout = BASILISK_MAXFANOUT;
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r2 = rand();
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for (l=n=0; l<IGUANA_MAXCOINS; l++)
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{
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i = (l + r2) % IGUANA_MAXCOINS;
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if ( (coin= Coins[i]) != 0 )
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{
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r = rand();
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for (k=0; k<IGUANA_MAXPEERS; k++)
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{
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j = (k + r) % IGUANA_MAXPEERS;
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if ( (addr= &coin->peers.active[j]) != 0 && addr->supernet != 0 && addr->usock >= 0 )
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{
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ptr->submit = (uint32_t)time(NULL);
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printf("submit to (%s)\n",addr->ipaddr);
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iguana_send_supernet(addr,reqstr,0);
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if ( n++ > fanout )
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break;
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}
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}
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}
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}
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free(reqstr);
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return(n);
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}
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struct basilisk_item *basilisk_issueremote(struct supernet_info *myinfo,char *methodstr,char *symbol,cJSON *vals,int32_t timeoutmillis,int32_t fanout,int32_t minresults,uint32_t basilisktag)
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{
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double expiration; struct basilisk_item *ptr; cJSON *hexjson;
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if ( basilisktag == 0 )
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basilisktag = rand();
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hexjson = cJSON_CreateObject();
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jaddstr(hexjson,"agent","basilisk");
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jaddnum(hexjson,"basilisktag",basilisktag);
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jaddstr(hexjson,"method",methodstr);
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jaddstr(hexjson,"activecoin",symbol);
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if ( vals != 0 )
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jadd(hexjson,"vals",jduplicate(vals));
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printf("issue.(%s)\n",jprint(hexjson,0));
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ptr = calloc(1,sizeof(*ptr));
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ptr->basilisktag = basilisktag;
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ptr->numrequired = minresults;
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queue_enqueue("submitQ",&myinfo->basilisks.submitQ,&ptr->DL,0);
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if ( basilisk_submit(myinfo,hexjson,timeoutmillis,fanout,ptr) > 0 )
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{
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if ( timeoutmillis > 0 )
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{
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expiration = OS_milliseconds() + ((timeoutmillis == 0) ? BASILISK_TIMEOUT : timeoutmillis);
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while ( OS_milliseconds() < expiration && ptr->finished == 0 && ptr->numresults < ptr->numrequired )
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usleep(timeoutmillis/100 + 1);
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}
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}
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free_json(hexjson);
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return(ptr);
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}
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void basilisk_functions(struct iguana_info *coin)
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{
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switch ( coin->protocol )
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{
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case IGUANA_PROTOCOL_BITCOIN:
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coin->basilisk_balances = basilisk_bitcoinbalances;
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coin->basilisk_rawtx = basilisk_bitcoinrawtx;
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coin->basilisk_rawtxmetric = basilisk_bitcoin_rawtxmetric;
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coin->basilisk_value = basilisk_bitcoinvalue;
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coin->basilisk_valuemetric = basilisk_bitcoin_valuemetric;
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break;
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/*case IGUANA_PROTOCOL_IOTA:
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coin->basilisk_balances = basilisk_iotabalances;
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coin->basilisk_rawtx = basilisk_iotarawtx;
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break;
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case IGUANA_PROTOCOL_NXT:
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coin->basilisk_balances = basilisk_nxtbalances;
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coin->basilisk_rawtx = basilisk_nxtrawtx;
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break;
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case IGUANA_PROTOCOL_ETHER:
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coin->basilisk_balances = basilisk_etherbalances;
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coin->basilisk_rawtx = basilisk_etherrawtx;
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break;
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case IGUANA_PROTOCOL_WAVES:
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coin->basilisk_balances = basilisk_wavesbalances;
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coin->basilisk_rawtx = basilisk_wavesrawtx;
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break;
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case IGUANA_PROTOCOL_LISK:
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coin->basilisk_balances = basilisk_liskbalances;
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coin->basilisk_rawtx = basilisk_liskrawtx;
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break;*/
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}
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}
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int32_t basilisk_besti(struct basilisk_item *ptr)
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{
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int32_t i,besti = -1; double metric,bestmetric;
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if ( ptr->metricdir > 0 )
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bestmetric = -1.;
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else if ( ptr->metricdir < 0 )
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bestmetric = 1.;
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else bestmetric = 0.;
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for (i=0; i<ptr->numresults; i++)
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{
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if ( (metric= ptr->metrics[i]) != 0. )
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{
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if ( (ptr->metricdir < 0 && (bestmetric > 0. || metric < bestmetric)) || (ptr->metricdir > 0 && (bestmetric < 0. || metric > bestmetric)) || (ptr->metricdir == 0 && bestmetric == 0.) )
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{
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bestmetric = metric;
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besti = i;
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}
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}
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}
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if ( besti >= 0 )
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{
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for (i=0; i<ptr->numresults; i++)
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if ( fabs(ptr->metrics[i] - bestmetric) < SMALLVAL )
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ptr->numexact++;
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}
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return(besti);
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}
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char *basilisk_block(struct supernet_info *myinfo,struct iguana_info *coin,char *remoteaddr,struct basilisk_item *Lptr,struct basilisk_item *ptr)
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{
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int32_t besti,i,j,numvalid; char *retstr = 0,*errstr; struct iguana_peer *addr;
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if ( ptr == Lptr )
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{
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if ( (retstr= Lptr->retstr) == 0 )
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retstr = clonestr("{\"result\":\"null return from local basilisk_issuecmd\"}");
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}
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else
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{
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if ( ptr->numrequired == 0 )
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ptr->numrequired = 1;
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while ( OS_milliseconds() < ptr->expiration )
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{
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if ( (numvalid= ptr->numresults) >= ptr->numrequired )
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{
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for (i=numvalid=0; i<ptr->numresults; i++)
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{
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if ( ptr->metrics[i] != 0. )
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numvalid++;
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}
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}
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if ( numvalid < ptr->numrequired )
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{
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usleep(10000);
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continue;
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}
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if ( ptr->uniqueflag == 0 && ptr->numexact <= (ptr->numresults >> 1) )
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besti = -1, errstr = "{\"error\":\"basilisk non-consensus results\"}";
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else besti = basilisk_besti(ptr), errstr = "{\"error\":\"basilisk no valid results\"}";
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if ( (retstr= basilisk_finish(ptr,besti,errstr)) != 0 && remoteaddr != 0 && remoteaddr[0] != 0 && strcmp(remoteaddr,"127.0.0.1") != 0 )
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{
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for (j=0; j<IGUANA_MAXCOINS; j++)
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{
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if ( (coin= Coins[j]) == 0 )
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continue;
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for (i=0; i<IGUANA_MAXPEERS; i++)
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{
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if ( (addr= &coin->peers.active[i]) != 0 && addr->usock >= 0 )
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{
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if ( addr->supernet != 0 && strcmp(addr->ipaddr,remoteaddr) == 0 )
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{
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printf("send back.%d basilisk_result addr->supernet.%u to (%s).%d\n",(int32_t)strlen(retstr),addr->supernet,addr->ipaddr,addr->A.port);
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iguana_send_supernet(addr,retstr,0);
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return(retstr);
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}
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}
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if ( 0 && addr->ipbits != 0 )
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printf("i.%d (%s) vs (%s) %s\n",i,addr->ipaddr,remoteaddr,coin->symbol);
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}
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}
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}
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}
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retstr = basilisk_finish(ptr,-1,"{\"error\":\"basilisk timeout\"}");
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}
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return(retstr);
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}
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struct basilisk_item *basilisk_issuecmd(struct basilisk_item *Lptr,basilisk_func func,basilisk_metricfunc metricfunc,struct supernet_info *myinfo,char *remoteaddr,uint32_t basilisktag,char *symbol,int32_t timeoutmillis,cJSON *vals)
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{
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struct iguana_info *coin; struct basilisk_item *ptr;
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memset(Lptr,0,sizeof(*Lptr));
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if ( (coin= iguana_coinfind(symbol)) != 0 )
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{
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if ( func != 0 )
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{
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if ( (ptr= (*func)(Lptr,myinfo,coin,remoteaddr,basilisktag,timeoutmillis,vals)) != 0 )
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{
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if ( (ptr->metricfunc= metricfunc) != 0 )
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ptr->vals = jduplicate(vals);
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strcpy(ptr->symbol,symbol);
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ptr->expiration = OS_milliseconds() + timeoutmillis;
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return(ptr);
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}
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else Lptr->retstr = clonestr("{\"error\":\"error issuing basilisk command\"}");
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} else Lptr->retstr = clonestr("{\"error\":\"null basilisk function\"}");
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} else Lptr->retstr = clonestr("{\"error\":\"error missing coin\"}");
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return(Lptr);
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}
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char *basilisk_check(int32_t *timeoutmillisp,uint32_t *basilisktagp,char *symbol,cJSON *vals)
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{
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if ( symbol != 0 && symbol[0] != 0 && vals != 0 )
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{
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if ( *basilisktagp == 0 )
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*basilisktagp = rand();
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if ( (*timeoutmillisp= jint(vals,"timeout")) < 0 )
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*timeoutmillisp = BASILISK_TIMEOUT;
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return(0);
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} else return(clonestr("{\"error\":\"missing activecoin or vals\"}"));
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}
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char *basilisk_standardcmd(struct supernet_info *myinfo,char *activecoin,char *remoteaddr,uint32_t basilisktag,cJSON *vals,basilisk_func func,basilisk_metricfunc metric)
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{
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char *retstr; struct basilisk_item *ptr,Lptr; int32_t timeoutmillis; struct iguana_info *coin;
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if ( (retstr= basilisk_check(&timeoutmillis,&basilisktag,activecoin,vals)) == 0 )
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{
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if ( (coin= iguana_coinfind(activecoin)) != 0 )
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{
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if ( (ptr= basilisk_issuecmd(&Lptr,func,metric,myinfo,remoteaddr,basilisktag,activecoin,timeoutmillis,vals)) != 0 )
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return(basilisk_block(myinfo,coin,remoteaddr,&Lptr,ptr));
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else return(clonestr("{\"error\":\"null return from basilisk_issuecmd\"}"));
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} else return(clonestr("{\"error\":\"couldnt get coin\"}"));
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} else return(retstr);
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}
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#include "../includes/iguana_apidefs.h"
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#include "../includes/iguana_apideclares.h"
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INT_ARRAY_STRING(basilisk,balances,basilisktag,vals,activecoin)
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{
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if ( (coin= iguana_coinfind(activecoin)) != 0 )
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return(basilisk_standardcmd(myinfo,activecoin,remoteaddr,basilisktag,vals,coin->basilisk_balances,coin->basilisk_balancesmetric));
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else return(clonestr("{\"error\":\"cant find missing coin\"}"));
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}
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INT_ARRAY_STRING(basilisk,value,basilisktag,vals,activecoin)
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{
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if ( (coin= iguana_coinfind(activecoin)) != 0 )
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return(basilisk_standardcmd(myinfo,activecoin,remoteaddr,basilisktag,vals,coin->basilisk_value,coin->basilisk_valuemetric));
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else return(clonestr("{\"error\":\"cant find missing coin\"}"));
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}
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char *basilisk_checkrawtx(int32_t *timeoutmillisp,uint32_t *basilisktagp,char *symbol,cJSON *vals)
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{
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cJSON *addresses=0; char *changeaddr,*spendscriptstr; int32_t i,n;
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*timeoutmillisp = -1;
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changeaddr = jstr(vals,"changeaddr");
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spendscriptstr = jstr(vals,"spendscript");
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addresses = jarray(&n,vals,"addresses");
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if ( addresses == 0 || changeaddr == 0 || changeaddr[0] == 0 )
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return(clonestr("{\"error\":\"invalid addresses[] or changeaddr\"}"));
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else
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{
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for (i=0; i<n; i++)
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if ( strcmp(jstri(addresses,i),changeaddr) == 0 )
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return(clonestr("{\"error\":\"changeaddr cant be in addresses[]\"}"));
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}
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if ( spendscriptstr != 0 && spendscriptstr[0] != 0 )
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return(basilisk_check(timeoutmillisp,basilisktagp,symbol,vals));
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else return(clonestr("{\"error\":\"missing spendscript\"}"));
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}
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INT_ARRAY_STRING(basilisk,rawtx,basilisktag,vals,activecoin)
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{
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char *retstr; struct basilisk_item *ptr,Lptr; int32_t timeoutmillis;
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if ( (retstr= basilisk_checkrawtx(&timeoutmillis,(uint32_t *)&basilisktag,activecoin,vals)) == 0 )
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{
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if ( (ptr= basilisk_issuecmd(&Lptr,coin->basilisk_rawtx,coin->basilisk_rawtxmetric,myinfo,remoteaddr,basilisktag,activecoin,timeoutmillis,vals)) != 0 )
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{
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if ( (ptr->numrequired= juint(vals,"numrequired")) == 0 )
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ptr->numrequired = 1;
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ptr->uniqueflag = 1;
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return(basilisk_block(myinfo,coin,remoteaddr,&Lptr,ptr));
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} else return(clonestr("{\"error\":\"error issuing basilisk rawtx\"}"));
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} else return(retstr);
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}
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INT_AND_ARRAY(basilisk,result,basilisktag,vals)
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{
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struct basilisk_item *ptr;
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if ( vals != 0 )
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{
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ptr = calloc(1,sizeof(*ptr));
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ptr->retstr = jprint(vals,0);
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ptr->basilisktag = basilisktag;
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printf("Q results vals.(%s)\n",ptr->retstr);
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queue_enqueue("resultsQ",&myinfo->basilisks.resultsQ,&ptr->DL,0);
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return(clonestr("{\"result\":\"queued basilisk return\"}"));
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} else printf("null vals.(%s) or no hexmsg.%p\n",jprint(vals,0),vals);
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return(clonestr("{\"error\":\"no hexmsg to return\"}"));
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}
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#include "../includes/iguana_apiundefs.h"
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char *basilisk_hexmsg(struct supernet_info *myinfo,struct category_info *cat,void *ptr,int32_t len,char *remoteaddr) // incoming
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{
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char *method="",*agent="",*retstr = 0,*tmpstr,*hexmsg; int32_t n; cJSON *array,*json,*valsobj; struct iguana_info *coin=0; uint32_t basilisktag;
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array = 0;
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if ( (json= cJSON_Parse(ptr)) != 0 )
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{
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printf("basilisk.(%s)\n",jprint(json,0));
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agent = jstr(json,"agent");
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method = jstr(json,"method");
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if ( agent != 0 && method != 0 && strcmp(agent,"SuperNET") == 0 && strcmp(method,"DHT") == 0 && (hexmsg= jstr(json,"hexmsg")) != 0 )
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{
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n = (int32_t)(strlen(hexmsg) >> 1);
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tmpstr = calloc(1,n + 1);
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decode_hex((void *)tmpstr,n,hexmsg);
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free_json(json);
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printf("NESTED.(%s)\n",tmpstr);
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if ( (json= cJSON_Parse(tmpstr)) == 0 )
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{
|
|
printf("couldnt parse decoded hexmsg.(%s)\n",tmpstr);
|
|
free(tmpstr);
|
|
return(0);
|
|
}
|
|
free(tmpstr);
|
|
agent = jstr(json,"agent");
|
|
method = jstr(json,"method");
|
|
}
|
|
basilisktag = juint(json,"basilisktag");
|
|
if ( strcmp(agent,"basilisk") == 0 && (valsobj= jobj(json,"vals")) != 0 )
|
|
{
|
|
if ( jobj(valsobj,"coin") != 0 )
|
|
coin = iguana_coinfind(jstr(valsobj,"coin"));
|
|
else if ( jstr(json,"activecoin") != 0 )
|
|
coin = iguana_coinfind(jstr(json,"activecoin"));
|
|
if ( coin != 0 )
|
|
{
|
|
if ( coin->RELAYNODE != 0 || coin->VALIDATENODE != 0 )
|
|
{
|
|
if ( strcmp(method,"rawtx") == 0 )
|
|
retstr = basilisk_rawtx(myinfo,coin,0,remoteaddr,basilisktag,valsobj,coin->symbol);
|
|
else if ( strcmp(method,"balances") == 0 )
|
|
retstr = basilisk_balances(myinfo,coin,0,remoteaddr,basilisktag,valsobj,coin->symbol);
|
|
else if ( strcmp(method,"value") == 0 )
|
|
retstr = basilisk_value(myinfo,coin,0,remoteaddr,basilisktag,valsobj,coin->symbol);
|
|
if ( retstr != 0 )
|
|
free(retstr);
|
|
// should automatically send to remote requester
|
|
}
|
|
else
|
|
{
|
|
if ( strcmp(method,"result") == 0 )
|
|
return(basilisk_result(myinfo,coin,0,remoteaddr,basilisktag,valsobj));
|
|
}
|
|
}
|
|
}
|
|
free_json(json);
|
|
}
|
|
printf("unhandled bitcoin_hexmsg.(%d) from %s (%s/%s)\n",len,remoteaddr,agent,method);
|
|
return(retstr);
|
|
}
|
|
|
|
void basilisks_loop(void *arg)
|
|
{
|
|
basilisk_metricfunc metricfunc; struct basilisk_item *ptr,*tmp,*pending; int32_t i,flag,n; struct supernet_info *myinfo = arg;
|
|
//uint8_t *blockspace; struct OS_memspace RAWMEM;
|
|
//memset(&RAWMEM,0,sizeof(RAWMEM));
|
|
//blockspace = calloc(1,IGUANA_MAXPACKETSIZE);
|
|
while ( 1 )
|
|
{
|
|
//for (i=0; i<IGUANA_MAXCOINS; i++)
|
|
// if ( (coin= Coins[i]) != 0 && coin->RELAYNODE == 0 && coin->VALIDATENODE == 0 && coin->active != 0 && coin->chain->userpass[0] != 0 && coin->MAXPEERS == 1 )
|
|
// basilisk_bitcoinscan(coin,blockspace,&RAWMEM);
|
|
if ( (ptr= queue_dequeue(&myinfo->basilisks.submitQ,0)) != 0 )
|
|
{
|
|
if ( ptr->finished == 0 )
|
|
HASH_ADD(hh,myinfo->basilisks.issued,basilisktag,sizeof(ptr->basilisktag),ptr);
|
|
else free(ptr);
|
|
continue;
|
|
}
|
|
else if ( (ptr= queue_dequeue(&myinfo->basilisks.resultsQ,0)) != 0 )
|
|
{
|
|
HASH_FIND(hh,myinfo->basilisks.issued,&ptr->basilisktag,sizeof(ptr->basilisktag),pending);
|
|
if ( pending != 0 )
|
|
{
|
|
if ( (n= pending->numresults) < sizeof(pending->results)/sizeof(*pending->results) )
|
|
{
|
|
pending->results[n] = ptr->retstr;
|
|
pending->numresults++;
|
|
if ( (metricfunc= ptr->metricfunc) == 0 )
|
|
pending->metrics[n] = n + 1;
|
|
else pending->metrics[n] = (*metricfunc)(myinfo,pending,pending->results[n]);
|
|
}
|
|
}
|
|
free(ptr);
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
flag = 0;
|
|
HASH_ITER(hh,myinfo->basilisks.issued,pending,tmp)
|
|
{
|
|
if ( pending->finished != 0 && pending->parent == 0 )
|
|
{
|
|
HASH_DELETE(hh,myinfo->basilisks.issued,pending);
|
|
if ( pending->vals != 0 )
|
|
free_json(pending->vals);
|
|
if ( pending->dependents != 0 )
|
|
free(pending->dependents);
|
|
free(pending);
|
|
flag++;
|
|
}
|
|
else if ( OS_milliseconds() > pending->expiration )
|
|
{
|
|
pending->finished = (uint32_t)time(NULL);
|
|
pending->retstr = clonestr("{\"error\":\"basilisk timeout\"}");
|
|
for (i=0; i<pending->numresults; i++)
|
|
if ( (metricfunc= pending->metricfunc) != 0 )
|
|
pending->metrics[i] = (*metricfunc)(myinfo,pending,pending->results[i]);
|
|
}
|
|
else
|
|
{
|
|
for (i=0; i<pending->numresults; i++)
|
|
if ( pending->metrics[i] == 0. )
|
|
{
|
|
if ( (metricfunc= pending->metricfunc) != 0 )
|
|
pending->metrics[i] = (*metricfunc)(myinfo,pending,pending->results[i]);
|
|
flag++;
|
|
}
|
|
}
|
|
}
|
|
if ( flag == 0 )
|
|
usleep(100000);
|
|
}
|
|
}
|
|
}
|
|
|
|
void basilisks_init(struct supernet_info *myinfo)
|
|
{
|
|
bits256 basiliskhash;
|
|
iguana_initQ(&myinfo->basilisks.submitQ,"submitQ");
|
|
iguana_initQ(&myinfo->basilisks.resultsQ,"resultsQ");
|
|
basiliskhash = calc_categoryhashes(0,"basilisk",0);
|
|
myinfo->basilisk_category = basiliskhash;
|
|
category_subscribe(myinfo,basiliskhash,GENESIS_PUBKEY);
|
|
category_processfunc(basiliskhash,GENESIS_PUBKEY,basilisk_hexmsg);
|
|
category_processfunc(basiliskhash,myinfo->myaddr.persistent,basilisk_hexmsg);
|
|
myinfo->basilisks.launched = iguana_launch(iguana_coinfind("BTCD"),"basilisks_loop",basilisks_loop,myinfo,IGUANA_PERMTHREAD);
|
|
}
|
|
|