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uniset2
Commit bf56ea5e authored by Ivan Donchevskiy's avatar Ivan Donchevskiy Committed by Ivan Donchevskiy
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Added seekpos (start position in file) to TableBlockStorage

parent 2c1a7417
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Showing with 46 additions and 66 deletions
Utilities/JrnTests/JrnTest.cc
View file @ bf56ea5e
......@@ -97,77 +97,61 @@ void testTable2(void)
char *chr=(char*)malloc(20);
char *val=(char*)malloc(40);
TableBlockStorage *t;
t = new TableBlockStorage("blocktable.test", 40, 20000, 5,40);
t = new TableBlockStorage("blocktableint.test", 4, 40, 20000, 5,28,0);
int i;
printf("testTable\nsize = %d\n",t->block_size);
for(i=1;i<16;i++)
for(i=1;i<11;i++)
{
chr[0]=i;
val=itoa(i,10);
t->AddRow(chr,val);
t->AddRow((char*)&i,val);
}
printf("current block = %d, elements with values=keys added:\n",t->cur_block);
for(i=1;i<16;i++)
for(i=1;i<11;i++)
{
chr[0]=i;
if(t->FindKeyValue(chr,val)!=0) printf("%s, ",val);
if(t->FindKeyValue((char*)&i,val)!=0) printf("%s, ",val);
}
printf("\ncurrent block = %d\n",t->cur_block);
for(i=1;i<16;i++)
for(i=1;i<8;i++)
{
chr[0]=i;
val=itoa(i+10,10);
t->AddRow(chr,val);
t->AddRow((char*)&i,val);
}
for(i=1;i<16;i++)
for(i=8;i<11;i++)
{
chr[0]=i;
if(t->FindKeyValue(chr,val)!=0) printf("%s, ",val);
t->DelRow((char*)&i);
}
for(i=1;i<11;i++)
{
chr[0]=i;
if(t->FindKeyValue((char*)&i,val)!=0) printf("%s, ",val);
}
printf("\ncurrent block = %d\n",t->cur_block);
for(i=20;i<30;i++)
for(i=3;i<11;i++)
{
chr[0]=i;
val=itoa(i,10);
t->AddRow(chr,val);
val=itoa(i+40,10);
t->AddRow((char*)&i,val);
}
for(i=1;i<40;i++)
for(i=1;i<11;i++)
{
chr[0]=i;
if(t->FindKeyValue(chr,val)!=0) printf("%s, ",val);
if(t->FindKeyValue((char*)&i,val)!=0) printf("%s, ",val);
}
printf("\ncurrent block = %d\n",t->cur_block);
chr[0]=30;
chr[0]=10;
strcpy(val,"new block");
t->AddRow(chr,val);
t->AddRow((char*)&i,val);
for(i=1;i<40;i++)
{
chr[0]=i;
if(t->FindKeyValue(chr,val)!=0) printf("%s, ",val);
if(t->FindKeyValue((char*)&i,val)!=0) printf("%s, ",val);
}
printf("\ncurrent block = %d\n",t->cur_block);
/*for(i=9;i<15;i++)
{
chr[0]=i;
t->DelRow(chr);
}
//printf("elements with keys from 40 to 60 deleted\n");
printf("elements with keys from 9 to 14 deleted\n");
for(i=9;i<15;i++)
{
chr[0]=i;
val=itoa(i+40,10);
t->AddRow(chr,val);
}
//printf("elements with keys from 30 to 50 with values=key+40 added\nvalues from keys 25-59\n");
printf("elements with keys from 9 to 14 with values=key+40 added, all elements:\n");
for(i=0;i<40;i++)
{
chr[0]=i;
if(t->FindKeyValue(chr,val)!=0) printf("%s, ",val);
}
printf("\n");*/
}
void testJournal1(void)
......
include/Storages.h
View file @ bf56ea5e
......@@ -30,7 +30,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <UniXML.h>
#include "UniXML.h"
#define key_size 20
......@@ -67,16 +67,16 @@ class TableStorage
class TableBlockStorage
{
FILE *file;
int inf_size, k_size;
int max,lim;
int max,lim,seekpos;
TableBlockStorageElem** mem;
public:
FILE *file;
int inf_size, k_size;
int size,cur_block,block_size;
TableBlockStorage();
TableBlockStorage(const char* name, int key_sz, int inf_sz, int sz, int block_num, int block_lim);
TableBlockStorage(const char* name, int key_sz, int inf_sz, int sz, int block_num, int block_lim, int seek);
~TableBlockStorage();
int Open(const char* name, int inf_sz, int key_sz, int sz, int block_num, int block_lim);
int Open(const char* name, int inf_sz, int key_sz, int sz, int block_num, int block_lim, int seek);
int AddRow(char* key, char* val);
int DelRow(char* key);
char* FindKeyValue(char* key, char* val);
......
src/Various/TableBlockStorage.cc
View file @ bf56ea5e
......@@ -53,13 +53,16 @@ TableBlockStorage::TableBlockStorage()
lim=0;
cur_block=0;
block_size=0;
seekpos=0;
file=NULL;
}
TableBlockStorage::TableBlockStorage(const char* name, int key_sz, int inf_sz, int sz, int block_num, int block_lim)
TableBlockStorage::TableBlockStorage(const char* name, int key_sz, int inf_sz, int sz, int block_num, int block_lim, int seek)
{
file = fopen(name, "r+");
k_size=key_sz;
inf_size=inf_sz;
seekpos=seek;
int i, full_size = sizeof(TableBlockStorageElem)+k_size+inf_size;
max=-1;
lim=block_lim;
......@@ -78,6 +81,7 @@ TableBlockStorage::TableBlockStorage(const char* name, int key_sz, int inf_sz, i
{
file = fopen(name,"w");
cur_block=0;
fseek(file,seekpos,0);
for(i=0;i<size;i++)
{
if(i%block_size==0)
......@@ -95,7 +99,7 @@ TableBlockStorage::TableBlockStorage(const char* name, int key_sz, int inf_sz, i
{
for(i=0;i<block_num;i++)
{
fseek(file,i*block_size*(full_size),0);
fseek(file,seekpos+i*block_size*(full_size),0);
fread(t,(full_size),1,file);
if(t->count>=0)
{
......@@ -103,7 +107,7 @@ TableBlockStorage::TableBlockStorage(const char* name, int key_sz, int inf_sz, i
break;
}
}
fseek(file,(cur_block*block_size)*(full_size),0);
fseek(file,seekpos+(cur_block*block_size)*(full_size),0);
for(i=0;i<block_size;i++)
{
fread(mem[i],(full_size),1,file);
......@@ -117,11 +121,12 @@ TableBlockStorage::~TableBlockStorage()
fclose(file);
}
int TableBlockStorage::Open(const char* name, int key_sz, int inf_sz, int sz, int block_num, int block_lim)
int TableBlockStorage::Open(const char* name, int key_sz, int inf_sz, int sz, int block_num, int block_lim, int seek)
{
file = fopen(name, "r+");
k_size=key_sz;
inf_size=inf_sz;
seekpos=seek;
int i,full_size = sizeof(TableBlockStorageElem)+k_size+inf_size;
max=-1;
lim=block_lim;
......@@ -144,7 +149,7 @@ int TableBlockStorage::Open(const char* name, int key_sz, int inf_sz, int sz, in
{
for(i=0;i<block_num;i++)
{
fseek(file,i*block_size*(full_size),0);
fseek(file,seekpos+i*block_size*(full_size),0);
fread(t,(full_size),1,file);
if(t->count>=0)
{
......@@ -152,7 +157,7 @@ int TableBlockStorage::Open(const char* name, int key_sz, int inf_sz, int sz, in
break;
}
}
fseek(file,(cur_block*block_size)*(full_size),0);
fseek(file,seekpos+(cur_block*block_size)*(full_size),0);
for(i=0;i<block_size;i++)
{
fread(mem[i],(full_size),1,file);
......@@ -180,23 +185,15 @@ int TableBlockStorage::AddRow(char* key, char* value)
if(mem[i]->count>=0)
{
mem[i]->count=++max;
fseek(file,((cur_block+1)*block_size+j)*(full_size),0);
fseek(file,seekpos+((cur_block+1)*block_size+j)*(full_size),0);
fwrite(mem[i],(full_size),1,file);
j++;
}
}
/*fseek(file,((cur_block+1)*block_size+j)*(full_size),0);
mem[j]->count=++max;
for(k=0;k<k_size;k++)
*((char*)mem[j]+sizeof(TableBlockStorageElem)+k)=*(key+k);
for(k=0;k<inf_size;k++)
*((char*)mem[j]+sizeof(TableBlockStorageElem)+k_size+k)=*(value+k);
fwrite(mem[j],(sizeof(TableBlockStorageElem)+inf_size),1,file);*/
tbl->count=-5;
fseek(file,cur_block*block_size*(full_size),0);
fseek(file,seekpos+cur_block*block_size*(full_size),0);
fwrite(tbl,(full_size),1,file);
cur_block++;
//return 0;
}
}
for(i=0;i<block_size;i++)
......@@ -211,7 +208,7 @@ int TableBlockStorage::AddRow(char* key, char* value)
mem[pos]->count=++max;
for(k=0;k<inf_size;k++)
*((char*)mem[pos]+sizeof(TableBlockStorageElem)+k_size+k)=*(value+k);
fseek(file,(cur_block*block_size+pos)*(full_size),0);
fseek(file,seekpos+(cur_block*block_size+pos)*(full_size),0);
fwrite(mem[pos],(full_size),1,file);
return 0;
}
......@@ -220,7 +217,7 @@ int TableBlockStorage::AddRow(char* key, char* value)
*((char*)mem[empty]+sizeof(TableBlockStorageElem)+k)=*(key+k);
for(k=0;k<inf_size;k++)
*((char*)mem[empty]+sizeof(TableBlockStorageElem)+k_size+k)=*(value+k);
fseek(file,(cur_block*block_size+empty)*(full_size),0);
fseek(file,seekpos+(cur_block*block_size+empty)*(full_size),0);
fwrite(mem[empty],(full_size),1,file);
return 0;
}
......@@ -245,13 +242,13 @@ int TableBlockStorage::DelRow(char* key)
if(mem[i]->count>=0)
{
mem[i]->count=++max;
fseek(file,((cur_block+1)*block_size+j)*(full_size),0);
fseek(file,seekpos+((cur_block+1)*block_size+j)*(full_size),0);
fwrite(mem[i],(full_size),1,file);
j++;
}
}
tbl->count=-5;
fseek(file,cur_block*block_size*(full_size),0);
fseek(file,seekpos+cur_block*block_size*(full_size),0);
fwrite(tbl,(full_size),1,file);
cur_block++;
}
......@@ -261,7 +258,7 @@ int TableBlockStorage::DelRow(char* key)
if((*((char*)mem[i]+sizeof(TableBlockStorageElem))!=0)&&(mem[i]>=0))
if(KeyCompare((char*)mem[i],key,k_size))
{
fseek(file,(cur_block*block_size+i)*(full_size),0);
fseek(file,seekpos+(cur_block*block_size+i)*(full_size),0);
mem[i]->count=++max;
*((char*)mem[i]+sizeof(TableBlockStorageElem))=0;
fwrite(mem[i],(full_size),1,file);
......@@ -277,7 +274,6 @@ char* TableBlockStorage::FindKeyValue(char* key, char* val)
int i,k;
if(file!=NULL)
{
//fseek(file,cur_block*block_size*(full_size),0);
for(i=0;i<block_size;i++)
{
//fread(tbl,(full_size),1,file);
......
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