void StorageManager::createTable(const char* nombreTabla, unsigned int cant_campos, InfoMDC* campos) {
SystemBlock SB;
unsigned int blockID = SB.getFree();
SB.acomodarPrimerLibre();
Metadata metadata(blockID, nombreTabla,cant_campos);
metadata.escribir();
if(SB.getPrimerMD()==0){
SB.setPrimerMD(blockID);
}
SB.setUltimoMD(blockID);
fstream disco;
disco.open(path, ios::binary | ios::in | ios::out);
if (!disco) {
return;
}
unsigned int offset = (blockID* 4096) + sizeof (Header) + sizeof (InfoMD);
int temp = (4096 - sizeof (Header) - sizeof (InfoMD)) / sizeof (InfoMDC);
disco.seekp(offset);
int temp_cant_campos_restantes = cant_campos;
int campo_actual=0;
for (int i = 0; i < temp; i++) {
if (temp_cant_campos_restantes > 0) {
disco.write((const char*) &campos[campo_actual], sizeof (InfoMDC));
disco.flush();
temp_cant_campos_restantes--;
campo_actual++;
} else{
break;
}
}
unsigned int BlockID_Ant = blockID;
while (temp_cant_campos_restantes > 0) {
unsigned int free = SB.getFree();
SB.acomodarPrimerLibre();
MetadataContinuo MDC(free,blockID);
MDC.escribir();
if (BlockID_Ant != blockID) {
MetadataContinuo MDC_ant(BlockID_Ant);
MDC_ant.setSig(MDC.getBlockID());
}
MDC.setAnt(BlockID_Ant);
offset = (MDC.header.blockID * 4096) + sizeof (Header) + sizeof (InfoCMD);
disco.seekp(offset);
int temp2 = (4096 - sizeof (Header) - sizeof (InfoCMD)) / sizeof (InfoMDC);
for (int a = 0; a < temp2; a++) {
if (temp_cant_campos_restantes > 0) {
disco.write((const char*) &campos[campo_actual], sizeof (InfoMDC));
disco.flush();
temp_cant_campos_restantes--;
campo_actual++;
}else{
break;
}
}
BlockID_Ant = MDC.getBlockID();
}
}
