int get(const char *hashfile, const char *logfile, const char *key) {
sparkey_hashreader *reader;
sparkey_logreader *logreader;
sparkey_logiter *iter;
assert(sparkey_hash_open(&reader, hashfile, logfile));
logreader = sparkey_hash_getreader(reader);
assert(sparkey_logiter_create(&iter, logreader));
uint64_t keylen = strlen(key);
assert(sparkey_hash_get(reader, (uint8_t*) key, keylen, iter));
int exitcode = 2;
if (sparkey_logiter_state(iter) == SPARKEY_ITER_ACTIVE) {
exitcode = 0;
uint8_t * res;
uint64_t len;
do {
assert(sparkey_logiter_valuechunk(iter, logreader, 1 << 31, &res, &len));
assert(write_full(STDOUT_FILENO, res, len));
} while (len > 0);
}
sparkey_logiter_close(&iter);
sparkey_hash_close(&reader);
return exitcode;
}
static void sparkey_randomaccess(int n, int lookups) {
sparkey_hashreader *myreader;
sparkey_logiter *myiter;
sparkey_assert(sparkey_hash_open(&myreader, "test.spi", "test.spl"));
sparkey_logreader *logreader = sparkey_hash_getreader(myreader);
sparkey_assert(sparkey_logiter_create(&myiter, logreader));
uint8_t *valuebuf = malloc(sparkey_logreader_maxvaluelen(logreader));
for (int i = 0; i < lookups; i++) {
char mykey[100];
char myvalue[100];
int r = rand() % n;
sprintf(mykey, "key_%d", r);
sprintf(myvalue, "value_%d", r);
sparkey_assert(sparkey_hash_get(myreader, (uint8_t*)mykey, strlen(mykey), myiter));
if (sparkey_logiter_state(myiter) != SPARKEY_ITER_ACTIVE) {
printf("Failed to lookup key: %s\n", mykey);
exit(1);
}
uint64_t wanted_valuelen = sparkey_logiter_valuelen(myiter);
uint64_t actual_valuelen;
sparkey_assert(sparkey_logiter_fill_value(myiter, logreader, wanted_valuelen, valuebuf, &actual_valuelen));
if (actual_valuelen != strlen(myvalue) || memcmp(myvalue, valuebuf, actual_valuelen)) {
printf("Did not get the expected value for key: %s\n", mykey);
exit(1);
}
}
sparkey_logiter_close(&myiter);
sparkey_hash_close(&myreader);
}
geodb_t *geodb_init(char *dir) {
if (dir == NULL) return NULL;
geodb_t *gdb = malloc(sizeof(geodb_t));
if (gdb == NULL) return NULL;
char_array *path = char_array_new_size(strlen(dir));
char_array_cat_joined(path, PATH_SEPARATOR, true, 2, dir, GEODB_NAMES_TRIE_FILENAME);
char *names_path = char_array_get_string(path);
gdb->names = trie_load(names_path);
if (gdb->names == NULL) {
goto exit_geodb_created;
}
char_array_clear(path);
char_array_cat_joined(path, PATH_SEPARATOR, true, 2, dir, GEODB_FEATURES_TRIE_FILENAME);
char *features_path = char_array_get_string(path);
gdb->features = trie_load(features_path);
if(gdb->features == NULL) {
goto exit_geodb_created;
}
char_array_clear(path);
char_array_cat_joined(path, PATH_SEPARATOR, true, 2, dir, GEODB_POSTAL_CODES_FILENAME);
char *postal_codes_path = char_array_get_string(path);
FILE *f = fopen(postal_codes_path, "rb");
uint64_t num_postal_strings = 0;
if (!file_read_uint64(f, (uint64_t *)&num_postal_strings)) {
goto exit_geodb_created;
}
size_t postal_codes_str_len;
if (!file_read_uint64(f, (uint64_t *)&postal_codes_str_len)) {
goto exit_geodb_created;
}
char_array *array = char_array_new_size(postal_codes_str_len);
if (!file_read_chars(f, array->a, postal_codes_str_len)) {
goto exit_geodb_created;
}
array->n = postal_codes_str_len;
gdb->postal_codes = cstring_array_from_char_array(array);
if (cstring_array_num_strings(gdb->postal_codes) != num_postal_strings) {
goto exit_geodb_created;
}
fclose(f);
char_array_clear(path);
char_array_cat_joined(path, PATH_SEPARATOR, true, 2, dir, GEODB_HASH_FILENAME);
char *hash_file_path = strdup(char_array_get_string(path));
char_array_clear(path);
char_array_cat_joined(path, PATH_SEPARATOR, true, 2, dir, GEODB_LOG_FILENAME);
char *log_path = char_array_get_string(path);
gdb->hash_reader = NULL;
if ((sparkey_hash_open(&gdb->hash_reader, hash_file_path, log_path)) != SPARKEY_SUCCESS) {
free(hash_file_path);
char_array_destroy(path);
goto exit_geodb_created;
}
free(hash_file_path);
char_array_destroy(path);
gdb->log_iter = NULL;
if ((sparkey_logiter_create(&gdb->log_iter, sparkey_hash_getreader(gdb->hash_reader))) != SPARKEY_SUCCESS) {
goto exit_geodb_created;
}
gdb->value_buf = char_array_new_size(sparkey_logreader_maxvaluelen(sparkey_hash_getreader(gdb->hash_reader)));
if (gdb->value_buf == NULL) {
goto exit_geodb_created;
}
gdb->geoname = geoname_new();
if (gdb->geoname == NULL) {
goto exit_geodb_created;
}
gdb->postal_code = gn_postal_code_new();
if (gdb->postal_code == NULL) {
goto exit_geodb_created;
}
return gdb;
exit_geodb_created:
geodb_destroy(gdb);
return NULL;
}