Fix botan provider (#289)

Author: marty1885

trantor/net/inner/TLSProvider.h

@@ -165,7 +165,7 @@ struct TLSProvider
     MsgBuffer writeBuffer_;
 };
 
-std::unique_ptr<TLSProvider> newTLSProvider(TcpConnection* conn,
+std::shared_ptr<TLSProvider> newTLSProvider(TcpConnection* conn,
                                             TLSPolicyPtr policy,
                                             SSLContextPtr ctx);
-}  // namespace trantor
+}  // namespace trantor

trantor/net/inner/TcpConnectionImpl.h

@@ -305,7 +305,7 @@ class TcpConnectionImpl : public TcpConnection,
     size_t bytesReceived_{0};
 
     std::unique_ptr<std::vector<char>> fileBufferPtr_;
-    std::unique_ptr<TLSProvider> tlsProviderPtr_;
+    std::shared_ptr<TLSProvider> tlsProviderPtr_;
     std::function<void(const TcpConnectionPtr &)> upgradeCallback_;
 
     bool closeOnEmpty_{false};

trantor/net/inner/tlsprovider/BotanTLSProvider.cc

@@ -18,6 +18,7 @@
 #include <botan/certstor_flatfile.h>
 #include <botan/x509path.h>
 #include <botan/tls_session_manager_memory.h>
+#include <memory>
 
 using namespace trantor;
 using namespace std::placeholders;
@@ -388,11 +389,11 @@ struct BotanTLSProvider : public TLSProvider,
     ssize_t lastWriteSize_ = 0;
 };
 
-std::unique_ptr<TLSProvider> trantor::newTLSProvider(TcpConnection *conn,
+std::shared_ptr<TLSProvider> trantor::newTLSProvider(TcpConnection *conn,
                                                      TLSPolicyPtr policy,
                                                      SSLContextPtr ctx)
 {
-    return std::make_unique<BotanTLSProvider>(conn,
+    return std::make_shared<BotanTLSProvider>(conn,
                                               std::move(policy),
                                               std::move(ctx));
 }

trantor/net/inner/tlsprovider/OpenSSLProvider.cc

@@ -9,6 +9,7 @@
 #include <openssl/x509v3.h>
 
 #include <fstream>
+#include <memory>
 #include <mutex>
 #include <list>
 #include <unordered_map>
@@ -788,11 +789,11 @@ struct OpenSSLProvider : public TLSProvider, public NonCopyable
     bool processedSslError_{false};
 };
 
-std::unique_ptr<TLSProvider> trantor::newTLSProvider(TcpConnection *conn,
+std::shared_ptr<TLSProvider> trantor::newTLSProvider(TcpConnection *conn,
                                                      TLSPolicyPtr policy,
                                                      SSLContextPtr ctx)
 {
-    return std::make_unique<OpenSSLProvider>(conn,
+    return std::make_shared<OpenSSLProvider>(conn,
                                              std::move(policy),
                                              std::move(ctx));
 }