451 lines
10 KiB
C
451 lines
10 KiB
C
#include "cmph.h"
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#include "cmph_structs.h"
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#include "chm.h"
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#include "bmz.h"
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#include "bmz8.h" /* included -- Fabiano */
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#include "brz.h" /* included -- Fabiano */
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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//#define DEBUG
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#include "debug.h"
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const char *cmph_names[] = { "bmz", "bmz8", "chm", "brz", NULL }; /* included -- Fabiano */
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typedef struct
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{
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void *vector;
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cmph_uint32 position; // access position when data is a vector
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} cmph_vector_t;
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static cmph_io_adapter_t *cmph_io_vector_new(void * vector, cmph_uint32 nkeys);
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static void cmph_io_vector_destroy(cmph_io_adapter_t * key_source);
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static int key_nlfile_read(void *data, char **key, cmph_uint32 *keylen)
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{
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FILE *fd = (FILE *)data;
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*key = NULL;
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*keylen = 0;
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while(1)
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{
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char buf[BUFSIZ];
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char *c = fgets(buf, BUFSIZ, fd);
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if (c == NULL) return -1;
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if (feof(fd)) return -1;
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*key = (char *)realloc(*key, *keylen + strlen(buf) + 1);
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memcpy(*key + *keylen, buf, strlen(buf));
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*keylen += (cmph_uint32)strlen(buf);
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if (buf[strlen(buf) - 1] != '\n') continue;
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break;
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}
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if ((*keylen) && (*key)[*keylen - 1] == '\n')
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{
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(*key)[(*keylen) - 1] = 0;
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--(*keylen);
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}
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return *keylen;
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}
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static int key_vector_read(void *data, char **key, cmph_uint32 *keylen)
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{
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cmph_vector_t *cmph_vector = (cmph_vector_t *)data;
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char **keys_vd = (char **)cmph_vector->vector;
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if (keys_vd + cmph_vector->position == NULL) return -1;
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*keylen = strlen(*(keys_vd + cmph_vector->position));
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*key = (char *)malloc(*keylen + 1);
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strcpy(*key, *(keys_vd + cmph_vector->position));
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cmph_vector->position = cmph_vector->position + 1;
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return *keylen;
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}
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static void key_nlfile_dispose(void *data, char *key, cmph_uint32 keylen)
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{
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free(key);
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}
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static void key_vector_dispose(void *data, char *key, cmph_uint32 keylen)
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{
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key_nlfile_dispose(data, key, keylen);
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}
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static void key_nlfile_rewind(void *data)
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{
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FILE *fd = (FILE *)data;
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rewind(fd);
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}
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static void key_vector_rewind(void *data)
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{
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cmph_vector_t *cmph_vector = (cmph_vector_t *)data;
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cmph_vector->position = 0;
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}
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static cmph_uint32 count_nlfile_keys(FILE *fd)
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{
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cmph_uint32 count = 0;
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rewind(fd);
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while(1)
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{
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char buf[BUFSIZ];
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fgets(buf, BUFSIZ, fd);
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if (feof(fd)) break;
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if (buf[strlen(buf) - 1] != '\n') continue;
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++count;
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}
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rewind(fd);
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return count;
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}
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cmph_io_adapter_t *cmph_io_nlfile_adapter(FILE * keys_fd)
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{
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cmph_io_adapter_t * key_source = malloc(sizeof(cmph_io_adapter_t));
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assert(key_source);
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key_source->data = (void *)keys_fd;
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key_source->nkeys = count_nlfile_keys(keys_fd);
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key_source->read = key_nlfile_read;
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key_source->dispose = key_nlfile_dispose;
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key_source->rewind = key_nlfile_rewind;
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return key_source;
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}
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void cmph_io_nlfile_adapter_destroy(cmph_io_adapter_t * key_source)
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{
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free(key_source);
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}
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cmph_io_adapter_t *cmph_io_nlnkfile_adapter(FILE * keys_fd, cmph_uint32 nkeys)
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{
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cmph_io_adapter_t * key_source = malloc(sizeof(cmph_io_adapter_t));
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assert(key_source);
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key_source->data = (void *)keys_fd;
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key_source->nkeys = nkeys;
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key_source->read = key_nlfile_read;
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key_source->dispose = key_nlfile_dispose;
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key_source->rewind = key_nlfile_rewind;
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return key_source;
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}
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void cmph_io_nlnkfile_adapter_destroy(cmph_io_adapter_t * key_source)
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{
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free(key_source);
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}
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static cmph_io_adapter_t *cmph_io_vector_new(void * vector, cmph_uint32 nkeys)
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{
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cmph_io_adapter_t * key_source = malloc(sizeof(cmph_io_adapter_t));
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cmph_vector_t * cmph_vector = malloc(sizeof(cmph_vector_t));
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assert(key_source);
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assert(cmph_vector);
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cmph_vector->vector = vector;
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cmph_vector->position = 0;
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key_source->data = (void *)cmph_vector;
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key_source->nkeys = nkeys;
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return key_source;
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}
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static void cmph_io_vector_destroy(cmph_io_adapter_t * key_source)
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{
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cmph_vector_t *cmph_vector = (cmph_vector_t *)key_source->data;
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cmph_vector->vector = NULL;
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free(cmph_vector);
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free(key_source);
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}
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cmph_io_adapter_t *cmph_io_vector_adapter(char ** vector, cmph_uint32 nkeys)
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{
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cmph_io_adapter_t * key_source = cmph_io_vector_new(vector, nkeys);
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key_source->read = key_vector_read;
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key_source->dispose = key_vector_dispose;
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key_source->rewind = key_vector_rewind;
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return key_source;
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}
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void cmph_io_vector_adapter_destroy(cmph_io_adapter_t * key_source)
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{
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cmph_io_vector_destroy(key_source);
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}
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cmph_config_t *cmph_config_new(cmph_io_adapter_t *key_source)
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{
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cmph_config_t *mph = NULL;
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mph = __config_new(key_source);
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assert(mph);
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mph->algo = CMPH_CHM; // default value
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mph->data = chm_config_new();
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return mph;
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}
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void cmph_config_set_algo(cmph_config_t *mph, CMPH_ALGO algo)
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{
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if (algo != mph->algo)
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{
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switch (mph->algo)
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{
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case CMPH_CHM:
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chm_config_destroy(mph);
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break;
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case CMPH_BMZ:
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bmz_config_destroy(mph);
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break;
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case CMPH_BMZ8:
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bmz8_config_destroy(mph);
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break;
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case CMPH_BRZ:
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brz_config_destroy(mph);
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break;
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default:
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assert(0);
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}
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switch(algo)
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{
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case CMPH_CHM:
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mph->data = chm_config_new();
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break;
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case CMPH_BMZ:
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mph->data = bmz_config_new();
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break;
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case CMPH_BMZ8:
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mph->data = bmz8_config_new();
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break;
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case CMPH_BRZ:
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mph->data = brz_config_new();
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break;
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default:
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assert(0);
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}
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}
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mph->algo = algo;
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}
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void cmph_config_set_tmp_dir(cmph_config_t *mph, cmph_uint8 *tmp_dir)
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{
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switch (mph->algo)
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{
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case CMPH_CHM:
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break;
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case CMPH_BMZ: /* included -- Fabiano */
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break;
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case CMPH_BMZ8: /* included -- Fabiano */
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break;
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case CMPH_BRZ: /* included -- Fabiano */
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brz_config_set_tmp_dir(mph, tmp_dir);
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break;
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default:
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assert(0);
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}
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}
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void cmph_config_set_memory_availability(cmph_config_t *mph, cmph_uint32 memory_availability)
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{
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switch (mph->algo)
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{
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case CMPH_CHM:
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break;
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case CMPH_BMZ: /* included -- Fabiano */
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break;
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case CMPH_BMZ8: /* included -- Fabiano */
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break;
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case CMPH_BRZ: /* included -- Fabiano */
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brz_config_set_memory_availability(mph, memory_availability);
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break;
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default:
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assert(0);
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}
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}
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void cmph_config_destroy(cmph_config_t *mph)
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{
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DEBUGP("Destroying mph with algo %s\n", cmph_names[mph->algo]);
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switch (mph->algo)
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{
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case CMPH_CHM:
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chm_config_destroy(mph);
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break;
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case CMPH_BMZ: /* included -- Fabiano */
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bmz_config_destroy(mph);
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break;
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case CMPH_BMZ8: /* included -- Fabiano */
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bmz8_config_destroy(mph);
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break;
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case CMPH_BRZ: /* included -- Fabiano */
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brz_config_destroy(mph);
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break;
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default:
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assert(0);
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}
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__config_destroy(mph);
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}
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void cmph_config_set_verbosity(cmph_config_t *mph, cmph_uint32 verbosity)
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{
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mph->verbosity = verbosity;
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}
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void cmph_config_set_hashfuncs(cmph_config_t *mph, CMPH_HASH *hashfuncs)
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{
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switch (mph->algo)
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{
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case CMPH_CHM:
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chm_config_set_hashfuncs(mph, hashfuncs);
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break;
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case CMPH_BMZ: /* included -- Fabiano */
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bmz_config_set_hashfuncs(mph, hashfuncs);
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break;
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case CMPH_BMZ8: /* included -- Fabiano */
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bmz8_config_set_hashfuncs(mph, hashfuncs);
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break;
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case CMPH_BRZ: /* included -- Fabiano */
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brz_config_set_hashfuncs(mph, hashfuncs);
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break;
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default:
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break;
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}
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return;
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}
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void cmph_config_set_graphsize(cmph_config_t *mph, float c)
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{
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mph->c = c;
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return;
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}
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cmph_t *cmph_new(cmph_config_t *mph)
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{
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cmph_t *mphf = NULL;
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float c = mph->c;
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DEBUGP("Creating mph with algorithm %s\n", cmph_names[mph->algo]);
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switch (mph->algo)
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{
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case CMPH_CHM:
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DEBUGP("Creating chm hash\n");
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if (c == 0) c = 2.09;
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mphf = chm_new(mph, c);
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break;
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case CMPH_BMZ: /* included -- Fabiano */
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DEBUGP("Creating bmz hash\n");
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if (c == 0) c = 1.15;
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mphf = bmz_new(mph, c);
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break;
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case CMPH_BMZ8: /* included -- Fabiano */
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DEBUGP("Creating bmz8 hash\n");
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if (c == 0) c = 1.15;
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mphf = bmz8_new(mph, c);
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break;
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case CMPH_BRZ: /* included -- Fabiano */
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DEBUGP("Creating brz hash\n");
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if (c == 0) c = 1.15;
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mphf = brz_new(mph, c);
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break;
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default:
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assert(0);
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}
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return mphf;
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}
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int cmph_dump(cmph_t *mphf, FILE *f)
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{
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switch (mphf->algo)
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{
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case CMPH_CHM:
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return chm_dump(mphf, f);
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case CMPH_BMZ: /* included -- Fabiano */
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return bmz_dump(mphf, f);
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case CMPH_BMZ8: /* included -- Fabiano */
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return bmz8_dump(mphf, f);
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case CMPH_BRZ: /* included -- Fabiano */
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return brz_dump(mphf, f);
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default:
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assert(0);
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}
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assert(0);
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return 0;
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}
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cmph_t *cmph_load(FILE *f)
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{
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cmph_t *mphf = NULL;
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DEBUGP("Loading mphf generic parts\n");
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mphf = __cmph_load(f);
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if (mphf == NULL) return NULL;
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DEBUGP("Loading mphf algorithm dependent parts\n");
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switch (mphf->algo)
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{
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case CMPH_CHM:
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chm_load(f, mphf);
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break;
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case CMPH_BMZ: /* included -- Fabiano */
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DEBUGP("Loading bmz algorithm dependent parts\n");
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bmz_load(f, mphf);
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break;
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case CMPH_BMZ8: /* included -- Fabiano */
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DEBUGP("Loading bmz8 algorithm dependent parts\n");
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bmz8_load(f, mphf);
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break;
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case CMPH_BRZ: /* included -- Fabiano */
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DEBUGP("Loading brz algorithm dependent parts\n");
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brz_load(f, mphf);
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break;
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default:
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assert(0);
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}
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DEBUGP("Loaded mphf\n");
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return mphf;
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}
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cmph_uint32 cmph_search(cmph_t *mphf, const char *key, cmph_uint32 keylen)
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{
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DEBUGP("mphf algorithm: %u \n", mphf->algo);
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switch(mphf->algo)
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{
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case CMPH_CHM:
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return chm_search(mphf, key, keylen);
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case CMPH_BMZ: /* included -- Fabiano */
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DEBUGP("bmz algorithm search\n");
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return bmz_search(mphf, key, keylen);
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case CMPH_BMZ8: /* included -- Fabiano */
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DEBUGP("bmz8 algorithm search\n");
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return bmz8_search(mphf, key, keylen);
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case CMPH_BRZ: /* included -- Fabiano */
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DEBUGP("brz algorithm search\n");
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return brz_search(mphf, key, keylen);
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default:
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assert(0);
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}
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assert(0);
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return 0;
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}
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cmph_uint32 cmph_size(cmph_t *mphf)
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{
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return mphf->size;
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}
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void cmph_destroy(cmph_t *mphf)
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{
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switch(mphf->algo)
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{
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case CMPH_CHM:
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chm_destroy(mphf);
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return;
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case CMPH_BMZ: /* included -- Fabiano */
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bmz_destroy(mphf);
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return;
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case CMPH_BMZ8: /* included -- Fabiano */
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bmz8_destroy(mphf);
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return;
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case CMPH_BRZ: /* included -- Fabiano */
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brz_destroy(mphf);
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return;
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default:
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assert(0);
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}
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assert(0);
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return;
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}
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