#include <memory>
#include <string>
#include <string.h>
+#include <farmhash.h>
#include "count.pb.h"
+#include "merge_count.h"
+#include "hash.h"
using namespace std;
-int main(int argc, char **argv)
+string read_hex_line(FILE *fp)
{
- int num_buckets = atoi(argv[2]);
- const char *hex_prefix = argv[3];
- const int prefix_len = strlen(hex_prefix) / 2;
- uint8_t *prefix = new uint8_t[prefix_len];
+ char hex[256];
+ if (fgets(hex, sizeof(hex), fp) == NULL) {
+ return "";
+ }
+ char *ptr = strchr(hex, '\n');
+ if (ptr != NULL) {
+ *ptr = 0;
+ }
+
+ string ret;
+ ret.resize(strlen(hex) / 2);
- for (int i = 0; i < prefix_len; ++i) {
+ for (size_t i = 0; i < ret.size(); ++i) {
char x[3];
- x[0] = hex_prefix[i * 2 + 0];
- x[1] = hex_prefix[i * 2 + 1];
+ x[0] = hex[i * 2 + 0];
+ x[1] = hex[i * 2 + 1];
x[2] = 0;
int k;
sscanf(x, "%02x", &k);
- prefix[i] = k;
+ ret[i] = k;
}
+ return ret;
+}
+int main(int argc, char **argv)
+{
+ int num_buckets = atoi(argv[2]);
+ mtbl_reader** mtbls = new mtbl_reader*[num_buckets];
+ const mtbl_source** srcs = new const mtbl_source*[num_buckets];
for (int i = 0; i < num_buckets; ++i) {
- char filename[256];
- snprintf(filename, sizeof(filename), "%s.part%04d", argv[1], i);
+ mtbls[i] = NULL;
+ srcs[i] = NULL;
+ }
+
+ while (!feof(stdin)) {
+ string bpfen = read_hex_line(stdin);
+ if (bpfen.empty()) {
+ break;
+ }
+
+ int bucket = hash_key_to_bucket(bpfen.data(), bpfen.size(), num_buckets);
+ if (mtbls[bucket] == NULL) {
+ char filename[256];
+ snprintf(filename, sizeof(filename), "%s.part%04d", argv[1], bucket);
+
+ mtbls[bucket] = mtbl_reader_init(filename, NULL);
+ srcs[bucket] = mtbl_reader_source(mtbls[bucket]);
+ }
+
+ // Give back the hash of the position to be kind to the user
+ uint16_t board_hash = util::Hash32(bpfen.data(), bpfen.size());
+ printf("%d\n", board_hash);
- mtbl_reader* mtbl = mtbl_reader_init(filename, NULL);
- const mtbl_source *src = mtbl_reader_source(mtbl);
- mtbl_iter *it = mtbl_source_get_prefix(src, prefix, prefix_len);
+ mtbl_iter *it = mtbl_source_get_prefix(srcs[bucket], (const uint8_t *)bpfen.data(), bpfen.size());
const uint8_t *key, *val;
size_t len_key, len_val;
+ Count c;
+ bool has_c = false;
while (mtbl_iter_next(it, &key, &len_key, &val, &len_val)) {
- string move((char *)(key + prefix_len), len_key - prefix_len);
- Count c;
- c.ParseFromArray(val, len_val);
- printf("%s %d %d %d %u %f %f %d %ld\n", move.c_str(),
+ if (has_c) {
+ Count tmpc;
+ tmpc.ParseFromArray(val, len_val);
+ c = merge_count(c, tmpc);
+ } else {
+ c.ParseFromArray(val, len_val);
+ has_c = true;
+ }
+ }
+
+ if (has_c) {
+ printf("%d %d %d %u %ld %ld %d %ld %d %ld",
c.white(), c.draw(), c.black(), c.opening_num(),
- double(c.sum_white_elo()) / c.num_elo(),
- double(c.sum_black_elo()) / c.num_elo(),
- c.num_elo(), c.first_timestamp());
+ c.sum_white_elo(),
+ c.sum_black_elo(),
+ c.num_elo(), c.first_timestamp(),
+ c.pgn_file_num(),
+ c.pgn_start_position());
+ for (int j = 0; j < c.move_size(); ++j) {
+ printf(" %s", c.move(j).c_str());
+ }
+ printf("\n");
+ } else {
+ printf("-\n");
+ }
+ fflush(stdout);
+ mtbl_iter_destroy(&it);
+ }
+
+ for (int i = 0; i < num_buckets; ++i) {
+ if (mtbls[i] != NULL) {
+ mtbl_reader_destroy(&mtbls[i]);
}
}
}