1 files changed, 130 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/lhash/lh_stats.c b/openssl-1.1.0h/crypto/lhash/lh_stats.c
new file mode 100644
index 0000000..5586afa
--- /dev/null
+++ b/openssl-1.1.0h/crypto/lhash/lh_stats.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+/*
+ * If you wish to build this outside of OpenSSL, remove the following lines
+ * and things should work as expected
+ */
+#include "internal/cryptlib.h"
+
+#include <openssl/bio.h>
+#include <openssl/lhash.h>
+#include "lhash_lcl.h"
+
+# ifndef OPENSSL_NO_STDIO
+void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp)
+{
+    BIO *bp;
+
+    bp = BIO_new(BIO_s_file());
+    if (bp == NULL)
+        return;
+    BIO_set_fp(bp, fp, BIO_NOCLOSE);
+    OPENSSL_LH_stats_bio(lh, bp);
+    BIO_free(bp);
+}
+
+void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp)
+{
+    BIO *bp;
+
+    bp = BIO_new(BIO_s_file());
+    if (bp == NULL)
+        return;
+    BIO_set_fp(bp, fp, BIO_NOCLOSE);
+    OPENSSL_LH_node_stats_bio(lh, bp);
+    BIO_free(bp);
+}
+
+void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp)
+{
+    BIO *bp;
+
+    bp = BIO_new(BIO_s_file());
+    if (bp == NULL)
+        return;
+    BIO_set_fp(bp, fp, BIO_NOCLOSE);
+    OPENSSL_LH_node_usage_stats_bio(lh, bp);
+    BIO_free(bp);
+}
+
+# endif
+
+void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
+{
+    OPENSSL_LHASH *lh_mut = (OPENSSL_LHASH *) lh;
+    int ret;
+
+    BIO_printf(out, "num_items             = %lu\n", lh->num_items);
+    BIO_printf(out, "num_nodes             = %u\n", lh->num_nodes);
+    BIO_printf(out, "num_alloc_nodes       = %u\n", lh->num_alloc_nodes);
+    BIO_printf(out, "num_expands           = %lu\n", lh->num_expands);
+    BIO_printf(out, "num_expand_reallocs   = %lu\n", lh->num_expand_reallocs);
+    BIO_printf(out, "num_contracts         = %lu\n", lh->num_contracts);
+    BIO_printf(out, "num_contract_reallocs = %lu\n",
+               lh->num_contract_reallocs);
+    CRYPTO_atomic_add(&lh_mut->num_hash_calls, 0, &ret,
+                      lh->retrieve_stats_lock);
+    BIO_printf(out, "num_hash_calls        = %d\n", ret);
+    CRYPTO_atomic_add(&lh_mut->num_comp_calls, 0, &ret,
+                      lh->retrieve_stats_lock);
+    BIO_printf(out, "num_comp_calls        = %d\n", ret);
+    BIO_printf(out, "num_insert            = %lu\n", lh->num_insert);
+    BIO_printf(out, "num_replace           = %lu\n", lh->num_replace);
+    BIO_printf(out, "num_delete            = %lu\n", lh->num_delete);
+    BIO_printf(out, "num_no_delete         = %lu\n", lh->num_no_delete);
+    CRYPTO_atomic_add(&lh_mut->num_retrieve, 0, &ret, lh->retrieve_stats_lock);
+    BIO_printf(out, "num_retrieve          = %d\n", ret);
+    CRYPTO_atomic_add(&lh_mut->num_retrieve_miss, 0, &ret,
+                      lh->retrieve_stats_lock);
+    BIO_printf(out, "num_retrieve_miss     = %d\n", ret);
+    CRYPTO_atomic_add(&lh_mut->num_hash_comps, 0, &ret,
+                      lh->retrieve_stats_lock);
+    BIO_printf(out, "num_hash_comps        = %d\n", ret);
+}
+
+void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
+{
+    OPENSSL_LH_NODE *n;
+    unsigned int i, num;
+
+    for (i = 0; i < lh->num_nodes; i++) {
+        for (n = lh->b[i], num = 0; n != NULL; n = n->next)
+            num++;
+        BIO_printf(out, "node %6u -> %3u\n", i, num);
+    }
+}
+
+void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
+{
+    OPENSSL_LH_NODE *n;
+    unsigned long num;
+    unsigned int i;
+    unsigned long total = 0, n_used = 0;
+
+    for (i = 0; i < lh->num_nodes; i++) {
+        for (n = lh->b[i], num = 0; n != NULL; n = n->next)
+            num++;
+        if (num != 0) {
+            n_used++;
+            total += num;
+        }
+    }
+    BIO_printf(out, "%lu nodes used out of %u\n", n_used, lh->num_nodes);
+    BIO_printf(out, "%lu items\n", total);
+    if (n_used == 0)
+        return;
+    BIO_printf(out, "load %d.%02d  actual load %d.%02d\n",
+               (int)(total / lh->num_nodes),
+               (int)((total % lh->num_nodes) * 100 / lh->num_nodes),
+               (int)(total / n_used), (int)((total % n_used) * 100 / n_used));
+}