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it was fixed more mistakes in BRZ algorithm

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This commit is contained in:
fc_botelho
2005-07-29 03:09:31 +00:00
parent 38f6621978
commit e88b0312ec
11 changed files with 82 additions and 26 deletions
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47
src/brz.c
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@@ -19,7 +19,7 @@
static int brz_before_gen_graphs(cmph_config_t *mph, cmph_uint32 * disksize, cmph_uint32 * diskoffset);
static void brz_gen_graphs(cmph_config_t *mph, cmph_uint32 * disksize, cmph_uint32 * diskoffset, FILE * graphs_fd);
static char ** brz_read_keys_vd(FILE * graphs_fd, cmph_uint8 nkeys, cmph_uint32 h3);
static char ** brz_read_keys_vd(FILE * graphs_fd, cmph_uint8 nkeys);
static void brz_destroy_keys_vd(char ** keys_vd, cmph_uint8 nkeys);
static void brz_copy_partial_mphf(brz_config_data_t *brz, bmz_data_t * bmzf, cmph_uint32 index);
@@ -128,7 +128,8 @@ cmph_t *brz_new(cmph_config_t *mph, float c)
return NULL;
}
graphs_fd = fopen("/colecao/fbotelho/cmph.tmp", "wb");
// graphs_fd = fopen("/colecao/fbotelho/cmph.tmp", "wb");
graphs_fd = fopen("cmph.tmp", "wb");
if (graphs_fd == NULL)
{
free(brz->size);
@@ -144,7 +145,8 @@ cmph_t *brz_new(cmph_config_t *mph, float c)
free(diskoffset);
DEBUGP("Graphs generated\n");
fclose(graphs_fd);
graphs_fd = fopen("/colecao/fbotelho/cmph.tmp", "rb");
// graphs_fd = fopen("/colecao/fbotelho/cmph.tmp", "rb");
graphs_fd = fopen("cmph.tmp", "rb");
// codigo do algoritmo...
brz->h1 = (hash_state_t **)malloc(sizeof(hash_state_t *)*brz->k);
brz->h2 = (hash_state_t **)malloc(sizeof(hash_state_t *)*brz->k);
@@ -155,7 +157,7 @@ cmph_t *brz_new(cmph_config_t *mph, float c)
cmph_uint32 j;
bmz_data_t * bmzf = NULL;
if (brz->size[i] == 0) continue;
keys_vd = brz_read_keys_vd(graphs_fd, brz->size[i], i);
keys_vd = brz_read_keys_vd(graphs_fd, brz->size[i]);
// Source of keys
source = cmph_io_vector_adapter(keys_vd, (cmph_uint32)brz->size[i]);
config = cmph_config_new(source);
@@ -214,11 +216,11 @@ static int brz_before_gen_graphs(cmph_config_t *mph, cmph_uint32 * disksize, cmp
char *key;
mph->key_source->read(mph->key_source->data, &key, &keylen);
h3 = hash(brz->h3, key, keylen) % brz->k;
if(h3 == 6)
{
DEBUGP("key = %s\n", key);
DEBUGP("keylen = %u\n", keylen + 1);
}
// if(h3 == 6)
// {
// DEBUGP("key = %s\n", key);
// DEBUGP("keylen = %u\n", keylen + 1);
// }
mph->key_source->dispose(mph->key_source->data, key, keylen);
if (brz->size[h3] == 255) return 0;
@@ -230,13 +232,13 @@ static int brz_before_gen_graphs(cmph_config_t *mph, cmph_uint32 * disksize, cmp
// }
}
fprintf(stderr, "size:%u offset: %u\n", brz->size[0], brz->offset[0]);
// DEBUGP("size:%u offset: %u\n", brz->size[0], brz->offset[0]);
for (e = 1; e < brz->k; ++e)
{
brz->offset[e] = brz->size[e-1] + brz->offset[e-1];
diskoffset[e] = disksize[e-1] + diskoffset[e-1];
DEBUGP("disksize[%u]=%u diskoffset[%u]: %u\n", e, disksize[e], e, diskoffset[e]);
DEBUGP("size[%u]=%u offset[%u]: %u\n", e, brz->size[e], e, brz->offset[e]);
/* DEBUGP("disksize[%u]=%u diskoffset[%u]: %u\n", e, disksize[e], e, diskoffset[e]);
DEBUGP("size[%u]=%u offset[%u]: %u\n", e, brz->size[e], e, brz->offset[e]);*/
}
return 1;
}
@@ -255,23 +257,23 @@ static void brz_gen_graphs(cmph_config_t *mph, cmph_uint32 * disksize, cmph_uint
char *key;
mph->key_source->read(mph->key_source->data, &key, &keylen);
h3 = hash(brz->h3, key, keylen) % brz->k;
if(h3 == 6)
/* if(h3 == 6)
{
DEBUGP("key = %s\n", key);
DEBUGP("keylen = %u\n", keylen + 1);
}
}*/
fseek(graphs_fd, diskoffset[h3], SEEK_SET);
fwrite(key, sizeof(char), keylen + 1, graphs_fd);
if(h3 == 6)
/* if(h3 == 6)
{
DEBUGP("diskoffset[%u]=%u \n", h3, diskoffset[h3]);
}
}*/
diskoffset[h3] = diskoffset[h3] + keylen + 1;
mph->key_source->dispose(mph->key_source->data, key, keylen);
}
}
static char ** brz_read_keys_vd(FILE * graphs_fd, cmph_uint8 nkeys, cmph_uint32 h3)
static char ** brz_read_keys_vd(FILE * graphs_fd, cmph_uint8 nkeys)
{
char ** keys_vd = (char **)malloc(sizeof(char *)*nkeys);
cmph_uint8 i;
@@ -291,7 +293,6 @@ static char ** brz_read_keys_vd(FILE * graphs_fd, cmph_uint8 nkeys, cmph_uint32
}
keys_vd[i] = (char *)malloc(strlen(buf) + 1);
strcpy(keys_vd[i], buf);
if(h3 == 6) DEBUGP("key = %s\n", keys_vd[i]);
free(buf);
}
return keys_vd;
@@ -311,8 +312,8 @@ static void brz_copy_partial_mphf(brz_config_data_t *brz, bmz_data_t * bmzf, cmp
{
brz->g[index][i] = (cmph_uint8) bmzf->g[i];
}
brz->h1[index] = bmzf->hashes[0];
brz->h2[index] = bmzf->hashes[1];
brz->h1[index] = hash_state_copy(bmzf->hashes[0]);
brz->h2[index] = hash_state_copy(bmzf->hashes[1]);
}
int brz_dump(cmph_t *mphf, FILE *fd)
@@ -411,19 +412,13 @@ void brz_destroy(cmph_t *mphf)
{
cmph_uint32 i;
brz_data_t *data = (brz_data_t *)mphf->data;
fprintf(stderr, "MERDAAAAAA %u\n", data->h3->hashfunc);
for(i = 0; i < data->k; i++)
{
free(data->g[i]);
fprintf(stderr, "MERDAAAAAA1 %u\n", data->h3->hashfunc);
hash_state_destroy(data->h1[i]);
fprintf(stderr, "MERDAAAAAA2 %u\n", data->h3->hashfunc);
hash_state_destroy(data->h2[i]);
fprintf(stderr, "MERDAAAAAA3 %u\n", data->h3->hashfunc);
}
fprintf(stderr, "MERDAAAAAA %u\n", data->h3->hashfunc);
hash_state_destroy(data->h3);
fprintf(stderr, "MERDAAAAAA1FAB\n");
free(data->g);
free(data->h1);
free(data->h2);