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common/rdr/TLSOutStream.h

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+/* Copyright (C) 2005 Martin Koegler
+ * Copyright (C) 2010 TigerVNC Team
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef __RDR_TLSOUTSTREAM_H__
+#define __RDR_TLSOUTSTREAM_H__
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_GNUTLS
+#include <gnutls/gnutls.h>
+#include <rdr/OutStream.h>
+
+namespace rdr {
+
+  class TLSOutStream : public OutStream {
+  public:
+    TLSOutStream(OutStream* out, gnutls_session_t session);
+    virtual ~TLSOutStream();
+
+    void flush();
+    int length();
+
+  protected:
+    int overrun(int itemSize, int nItems);
+
+  private:
+    int writeTLS(const U8* data, int length);
+    static ssize_t push(gnutls_transport_ptr_t str, const void* data, size_t size);
+
+    gnutls_session_t session;
+    OutStream* out;
+    int bufSize;
+    U8* start;
+    int offset;
+  };
+};
+
+#endif
+#endif