static void* sha1_thread(void* arg) {
char code[41];
while (1) {
struct chunk* c = sync_queue_pop(chunk_queue);
if (c == NULL) {
sync_queue_term(hash_queue);
break;
}
if (CHECK_CHUNK(c, CHUNK_FILE_START) || CHECK_CHUNK(c, CHUNK_FILE_END)) {
sync_queue_push(hash_queue, c);
continue;
}
TIMER_DECLARE(1);
TIMER_BEGIN(1);
SHA_CTX ctx;
SHA_Init(&ctx);
SHA_Update(&ctx, c->data, c->size);
SHA_Final(c->fp, &ctx);
TIMER_END(1, jcr.hash_time);
hash2code(c->fp, code);
code[40] = 0;
VERBOSE("Hash phase: %ldth chunk identified by %s", chunk_num++, code);
sync_queue_push(hash_queue, c);
}
return NULL;
}
void har_check(struct chunk* c) {
if (!CHECK_CHUNK(c, CHUNK_FILE_START) && !CHECK_CHUNK(c, CHUNK_FILE_END)
&& CHECK_CHUNK(c, CHUNK_DUPLICATE))
if (g_hash_table_lookup(inherited_sparse_containers, &c->id)) {
SET_CHUNK(c, CHUNK_SPARSE);
char code[41];
hash2code(c->fp, code);
code[40] = 0;
VERBOSE("chunk %s in sparse container %ld", code, c->id);
}
}
void make_trace(char* path) {
init_jcr(path);
sds trace_file = sdsnew(path);
char *p = trace_file + sdslen(trace_file) - 1;
while (*p == '/')
--p;
*(p + 1) = 0;
sdsupdatelen(trace_file);
trace_file = sdscat(trace_file, ".trace");
NOTICE("output to %s", trace_file);
start_read_phase();
start_chunk_phase();
start_hash_phase();
unsigned char code[41];
FILE *fp = fopen(trace_file, "w");
while (1) {
struct chunk *c = sync_queue_pop(hash_queue);
if (c == NULL) {
break;
}
if (CHECK_CHUNK(c, CHUNK_FILE_START)) {
destor_log(DESTOR_NOTICE, c->data);
fprintf(fp, "file start %zd\n", strlen(c->data));
fprintf(fp, "%s\n", c->data);
} else if (CHECK_CHUNK(c, CHUNK_FILE_END)) {
fprintf(fp, "file end\n");
} else {
hash2code(c->fp, code);
code[40] = 0;
fprintf(fp, "%s %d\n", code, c->size);
}
free_chunk(c);
}
fprintf(fp, "stream end");
fclose(fp);
}
