You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

312 lines
13 KiB

/******************************************************************************
* Copyright © 2014-2015 The SuperNET Developers. *
* *
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* SuperNET software, including this file may be copied, modified, propagated *
* or distributed except according to the terms contained in the LICENSE file *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
#ifdef DEFINES_ONLY
#ifndef txind777_h
#define txind777_h
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <memory.h>
#include "../iguana777.h"
#define BTCDADDRSIZE 36
struct txinds777_hdr { int64_t num,nextpos; uint32_t blocknum,timestamp,firstblocknum,lastblocknum; struct sha256_vstate state; bits256 sha256; };
struct txinds777_info
{
struct txinds777_hdr H;
FILE *txlogfp,*indexfp,*fp; char path[512],name[64]; int64_t curitem,*blockitems;
};
int64_t txind777_bundle(struct txinds777_info *txinds,uint32_t blocknum,uint32_t timestamp,int64_t *bundle,int32_t numtx);
int64_t txind777_create(struct txinds777_info *txinds,uint32_t blocknum,uint32_t timestamp,void *txdata,uint16_t len);
int32_t txind777_txbuf(uint8_t *txbuf,int32_t len,uint64_t val,int32_t size);
int32_t txinds777_flush(struct txinds777_info *txinds,uint32_t blocknum,uint32_t blocktimestamp);
struct txinds777_info *txinds777_init(char *path,char *name);
int64_t txinds777_seek(struct txinds777_info *txinds,uint32_t blocknum);
void *txinds777_read(int32_t *lenp,uint8_t *buf,struct txinds777_info *txinds);
void txinds777_purge(struct txinds777_info *txinds);
#endif
#else
#ifndef txind777_c
#define txind777_c
#ifndef txind777_h
#define DEFINES_ONLY
#include "txind777.c"
#undef DEFINES_ONLY
#endif
void txinds777_purge(struct txinds777_info *txinds)
{
if ( txinds->fp != 0 )
fclose(txinds->fp);
if ( txinds->txlogfp != 0 )
fclose(txinds->txlogfp);
if ( txinds->indexfp != 0 )
fclose(txinds->indexfp);
if ( txinds->blockitems != 0 )
free(txinds->blockitems);
memset(txinds,0,sizeof(*txinds));
}
int64_t txinds777_seek(struct txinds777_info *txinds,uint32_t blocknum)
{
if ( txinds->blockitems != 0 && blocknum >= txinds->H.firstblocknum && blocknum <= txinds->H.lastblocknum )
txinds->curitem = txinds->blockitems[blocknum - txinds->H.firstblocknum];
else txinds->curitem = 0;
return(txinds->curitem);
}
void *txinds777_read(int32_t *lenp,uint8_t *buf,struct txinds777_info *txinds)
{
int64_t txind,fpos; int32_t len; uint32_t triplet[3];
*lenp = 0;
if ( txinds->indexfp == 0 || txinds->txlogfp == 0 )
return(0);
fseek(txinds->indexfp,txinds->curitem * sizeof(int64_t),SEEK_SET);
if ( fread(&txind,1,sizeof(txind),txinds->indexfp) != sizeof(txind) )
{
printf("error reading txindex.%lld file at pos %lld\n",(long long)txinds->curitem,(long long)(txinds->curitem * sizeof(txind)));
return(0);
}
len = txind & 0xffff;
fpos = (txind >> 16);
if ( fpos+len <= txinds->H.nextpos )
{
printf("load %ld for item.%d log.%ld\n",ftell(txinds->indexfp),(int32_t)txinds->curitem,(long)fpos);
fseek(txinds->txlogfp,fpos,SEEK_SET);
if ( len >= sizeof(triplet) && fread(triplet,1,sizeof(triplet),txinds->txlogfp) == sizeof(triplet) && len > sizeof(triplet) )
{
len -= sizeof(triplet);
if ( fread(buf,1,len,txinds->txlogfp) == len )
{
*lenp = len;
return(buf);
}
}
}
return(0);
}
void txinds777_ensure(struct txinds777_info *txinds,uint32_t blocknum,uint64_t curitem)
{
int32_t offset,oldrange,newrange;
if ( txinds->blockitems == 0 )
{
txinds->blockitems = realloc(txinds->blockitems,sizeof(*txinds->blockitems));
txinds->H.firstblocknum = txinds->H.lastblocknum = blocknum;
}
else if ( blocknum > txinds->H.lastblocknum )
{
oldrange = (txinds->H.lastblocknum - txinds->H.firstblocknum + 1);
newrange = (blocknum - txinds->H.firstblocknum + 1);
txinds->blockitems = realloc(txinds->blockitems,sizeof(*txinds->blockitems) * newrange);
if ( newrange > oldrange+1 )
memset(&txinds->blockitems[oldrange],0,(newrange - oldrange));
txinds->H.lastblocknum = blocknum;
}
offset = (blocknum - txinds->H.firstblocknum);
txinds->blockitems[offset] = curitem;
}
int64_t txind777_create(struct txinds777_info *txinds,uint32_t blocknum,uint32_t timestamp,void *txdata,uint16_t len)
{
int64_t txind = -1; uint32_t triplet[3];
if ( txdata == 0 || txinds == 0 )
return(0);
if ( len != 0 )
{
txind = (txinds->H.nextpos << 16) | (len + sizeof(triplet));
if ( txinds->txlogfp != 0 )
{
triplet[0] = len, triplet[1] = blocknum, triplet[2] = timestamp;
//printf("triplet.(%d %d %d)\n",len,blocknum,timestamp);
fseek(txinds->txlogfp,txinds->H.nextpos,SEEK_SET);
if ( fwrite(triplet,1,sizeof(triplet),txinds->txlogfp) != sizeof(triplet) || fwrite(txdata,1,len,txinds->txlogfp) != len )
{
printf("error updating txlog file at pos %lld\n",(long long)txinds->H.nextpos);
return(-1);
}
}
if ( txinds->indexfp != 0 )
{
txinds777_ensure(txinds,blocknum,txinds->H.num);
fseek(txinds->indexfp,txinds->H.num * sizeof(txind),SEEK_SET);
if ( fwrite(&txind,1,sizeof(txind),txinds->indexfp) != sizeof(txind) )
{
printf("error updating txindex file at pos %lld\n",(long long)(txinds->H.num * sizeof(txind)));
return(-1);
}
txinds->H.num++;
// printf("H.num %d: indexfp %ld\n",(int32_t)txinds->H.num,ftell(txinds->indexfp));
}
vupdate_sha256(txinds->H.sha256.bytes,&txinds->H.state,txdata,len);
txinds->H.nextpos += len + sizeof(triplet);
//printf("H.num %d, nextpos %ld (len %ld) indexfp %ld logfp %ld\n",(int32_t)txinds->H.num,(long)txinds->H.nextpos,len + sizeof(triplet),ftell(txinds->indexfp),ftell(txinds->txlogfp));
} else printf("cant txlog no data\n");
return(txind);
}
int64_t txind777_bundle(struct txinds777_info *txinds,uint32_t blocknum,uint32_t timestamp,int64_t *bundle,int32_t numtx)
{
if ( bundle != 0 )
return(txind777_create(txinds,blocknum,timestamp,bundle,numtx * sizeof(*txinds)));
else return(0);
}
FILE *txinds777_initfile(long *fposp,char *path,char *name,char *suffix,uint64_t expected)
{
FILE *fp; char fname[512]; long fpos = 0;
sprintf(fname,"%s/%s%s",path,name,suffix), iguana_compatible_path(fname);
if ( (fp= fopen(fname,"rb+")) != 0 )
{
fseek(fp,0,SEEK_END);
if ( (fpos= ftell(fp)) != expected )
{
printf("txinds777_init: warning mismatched position %ld vs %lld\n",fpos,(long long)expected);
fseek(fp,expected,SEEK_SET);
if ( (fpos= ftell(fp)) != expected )
printf("txinds777_init: error mismatched position %ld vs %lld after set fpos\n",fpos,(long long)expected);
}
}
else fp = fopen(fname,"wb+");
*fposp = fpos;
return(fp);
}
struct txinds777_info *txinds777_init(char *path,char *name)
{
FILE *fp; char fname[512]; int64_t txind,checktxind; long logfpos,indexfpos; struct txinds777_hdr H,goodH; uint32_t triplet[3];
struct txinds777_info *txinds = calloc(1,sizeof(*txinds));
strcpy(txinds->path,path), strcpy(txinds->name,name);
sprintf(fname,"%s/%s",path,name), iguana_compatible_path(fname);
printf("txinds777_init(%s,%s)\n",path,name);
if ( (fp= fopen(fname,"rb+")) != 0 )
{
if ( fread(&txinds->H,1,sizeof(txinds->H),fp) == sizeof(txinds->H) )
{
txinds->txlogfp = txinds777_initfile(&logfpos,path,name,".log",txinds->H.nextpos);
txinds->indexfp = txinds777_initfile(&indexfpos,path,name,".index",sizeof(uint64_t) * txinds->H.num);
if ( txinds->txlogfp != 0 && txinds->indexfp != 0 )
{
memset(&goodH,0,sizeof(goodH));
while ( fread(&H,1,sizeof(H),fp) == sizeof(H) )
{
if ( H.num*sizeof(uint64_t) > indexfpos || H.nextpos > logfpos )
break;
goodH = H;
//printf("loaded H nextpos %d num.%d\n",(int32_t)H.nextpos,(int32_t)H.num);
}
txinds->H = goodH;
if ( txinds->H.nextpos > 0 )
{
txinds->curitem = 0;
rewind(txinds->txlogfp);
rewind(txinds->indexfp);
while ( txinds->curitem < txinds->H.num )
{
if ( fread(&txind,1,sizeof(txind),txinds->indexfp) != sizeof(txind) )
break;
logfpos = ftell(txinds->txlogfp);
if ( fread(triplet,1,sizeof(triplet),txinds->txlogfp) == sizeof(triplet) )
{
//printf("triplet.(%d %d %d)\n",triplet[0],triplet[1],triplet[2]);
if ( (triplet[0] + logfpos) > txinds->H.nextpos )
break;
checktxind = (logfpos << 16) | (triplet[0] + sizeof(triplet));
if ( checktxind != txind )
{
printf("checktxind error item.%lld %llx != %llx\n",(long long)txinds->curitem,(long long)checktxind,(long long)txind);
txinds->H.num = txinds->curitem;
txinds->H.nextpos = logfpos;
break;
}
txinds777_ensure(txinds,triplet[1],txinds->curitem++);
fseek(txinds->txlogfp,logfpos + (triplet[0] + sizeof(triplet)),SEEK_SET);
}
}
printf("verified %lld items, curpos %ld %ld\n",(long long)txinds->curitem,ftell(txinds->indexfp),ftell(txinds->txlogfp));
}
}
else
{
if ( txinds->txlogfp != 0 )
fclose(txinds->txlogfp), txinds->txlogfp = 0;
if ( txinds->indexfp != 0 )
fclose(txinds->indexfp), txinds->indexfp = 0;
}
}
txinds->fp = fp;
}
else if ( (txinds->fp= fopen(fname,"wb+")) != 0 )
fwrite(&txinds->H,1,sizeof(txinds->H),txinds->fp);
if ( txinds->txlogfp == 0 || txinds->indexfp == 0 )
vupdate_sha256(txinds->H.sha256.bytes,&txinds->H.state,0,0);
if ( txinds->txlogfp == 0 )
txinds->txlogfp = txinds777_initfile(&logfpos,path,name,".log",0);
if ( txinds->indexfp == 0 )
txinds->indexfp = txinds777_initfile(&indexfpos,path,name,".index",0);
//printf("fps %p %p %p\n",txinds->fp,txinds->txlogfp,txinds->indexfp);
return(txinds);
}
int32_t txind777_txbuf(uint8_t *txbuf,int32_t len,uint64_t val,int32_t size)
{
int32_t i;
if ( txbuf != 0 )
for (i=0; i<size; i++,val>>=8)
txbuf[len++] = (val & 0xff);
return(len);
}
int32_t txinds777_flush(struct txinds777_info *txinds,uint32_t blocknum,uint32_t blocktimestamp)
{
long fpos;
if ( txinds != 0 )
{
if ( txinds->txlogfp != 0 )
fflush(txinds->txlogfp);
if ( txinds->indexfp != 0 )
fflush(txinds->indexfp);
txinds->H.blocknum = blocknum, txinds->H.timestamp = blocktimestamp;
if ( txinds->fp != 0 )
{
fwrite(&txinds->H,1,sizeof(txinds->H),txinds->fp);
fpos = ftell(txinds->fp);
rewind(txinds->fp);
fwrite(&txinds->H,1,sizeof(txinds->H),txinds->fp);
fseek(txinds->fp,fpos,SEEK_SET);
fflush(txinds->fp);
}
//printf("txinds777_flush.(%s)\n",txinds->name);
}
else
{
printf("txinds777_flush null ptr\n");
//getchar();
}
return(0);
}
#endif
#endif