intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 66 insertions, 0 deletions

diff --git a/library/cpp/openssl/init/init.cpp b/library/cpp/openssl/init/init.cpp
new file mode 100644
index 0000000000..ae68ef08ea
--- /dev/null
+++ b/library/cpp/openssl/init/init.cpp
@@ -0,0 +1,66 @@
+#include "init.h"
+
+#include <util/generic/singleton.h>
+#include <util/generic/vector.h>
+#include <util/generic/ptr.h>
+#include <util/generic/buffer.h>
+
+#include <util/system/yassert.h>
+#include <util/system/mutex.h>
+#include <util/system/thread.h>
+
+#include <util/random/entropy.h>
+#include <util/stream/input.h>
+
+#include <openssl/bio.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include <openssl/conf.h>
+#include <openssl/crypto.h>
+
+namespace {
+    struct TInitSsl {
+        struct TOpensslLocks {
+            inline TOpensslLocks()
+                : Mutexes(CRYPTO_num_locks())
+            {
+                for (auto& mpref : Mutexes) {
+                    mpref.Reset(new TMutex());
+                }
+            }
+
+            inline void LockOP(int mode, int n) {
+                auto& mutex = *Mutexes.at(n);
+
+                if (mode & CRYPTO_LOCK) {
+                    mutex.Acquire();
+                } else {
+                    mutex.Release();
+                }
+            }
+
+            TVector<TAutoPtr<TMutex>> Mutexes;
+        };
+
+        inline TInitSsl() {
+            OPENSSL_init_crypto(OPENSSL_INIT_NO_ATEXIT, nullptr);
+        }
+
+        inline ~TInitSsl() {
+            OPENSSL_cleanup();
+        }
+
+        static void LockingFunction(int mode, int n, const char* /*file*/, int /*line*/) {
+            Singleton<TOpensslLocks>()->LockOP(mode, n);
+        }
+
+        static unsigned long ThreadIdFunction() {
+            return TThread::CurrentThreadId();
+        }
+    };
+}
+
+void InitOpenSSL() {
+    (void)SingletonWithPriority<TInitSsl, 0>();
+}