integrate Crypto{Engine,Socket} into fnet

2 files changed, 24 insertions, 0 deletions

diff --git a/vespalib/src/vespa/vespalib/net/crypto_engine.cpp b/vespalib/src/vespa/vespalib/net/crypto_engine.cpp
index 78499d6d18e..ec436a414cc 100644
--- a/vespalib/src/vespa/vespalib/net/crypto_engine.cpp
+++ b/vespalib/src/vespa/vespalib/net/crypto_engine.cpp
@@ -155,10 +155,29 @@ public:
     }
 };
 
+CryptoEngine::SP create_default_crypto_engine() {
+    // TODO: check VESPA_TLS_CONFIG_FILE here
+    // return std::make_shared<XorCryptoEngine>();
+    return std::make_shared<NullCryptoEngine>();
 }
 
+} // namespace vespalib::<unnamed>
+
+std::mutex CryptoEngine::_shared_lock;
+CryptoEngine::SP CryptoEngine::_shared_default(nullptr);
+
 CryptoEngine::~CryptoEngine() = default;
 
+CryptoEngine::SP
+CryptoEngine::get_default()
+{
+    std::lock_guard<std::mutex> guard(_shared_lock);
+    if (!_shared_default) {
+        _shared_default = create_default_crypto_engine();
+    }
+    return _shared_default;
+}
+
 CryptoSocket::UP
 NullCryptoEngine::create_crypto_socket(SocketHandle socket, bool)
 {
diff --git a/vespalib/src/vespa/vespalib/net/crypto_engine.h b/vespalib/src/vespa/vespalib/net/crypto_engine.h
index 0f491838a6a..177766fb789 100644
--- a/vespalib/src/vespa/vespalib/net/crypto_engine.h
+++ b/vespalib/src/vespa/vespalib/net/crypto_engine.h
@@ -5,6 +5,7 @@
 #include "socket_handle.h"
 #include "crypto_socket.h"
 #include <memory>
+#include <mutex>
 
 namespace vespalib {
 
@@ -18,6 +19,10 @@ struct CryptoEngine {
     using SP = std::shared_ptr<CryptoEngine>;
     virtual CryptoSocket::UP create_crypto_socket(SocketHandle socket, bool is_server) = 0;
     virtual ~CryptoEngine();
+    static CryptoEngine::SP get_default();
+private:
+    static std::mutex _shared_lock;
+    static CryptoEngine::SP _shared_default;
 };
 
 /**