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diff --git a/ndb/include/util/OutputStream.hpp b/ndb/include/util/OutputStream.hpp
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+/* Copyright (C) 2003 MySQL AB
+
+ This program 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 program 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 program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef OUTPUT_STREAM_HPP
+#define OUTPUT_STREAM_HPP
+
+#include <stdio.h>
+#include <NdbTCP.h>
+
+/**
+ * Output stream
+ */
+class OutputStream {
+public:
+ virtual int print(const char * fmt, ...) = 0;
+ virtual int println(const char * fmt, ...) = 0;
+ virtual void flush() {};
+};
+
+class FileOutputStream : public OutputStream {
+ FILE * f;
+public:
+ FileOutputStream(FILE * file = stdout);
+
+ int print(const char * fmt, ...);
+ int println(const char * fmt, ...);
+ void flush() { fflush(f); }
+};
+
+class SocketOutputStream : public OutputStream {
+ NDB_SOCKET_TYPE m_socket;
+ unsigned m_timeout;
+public:
+ SocketOutputStream(NDB_SOCKET_TYPE socket, unsigned writeTimeout = 1000);
+
+ int print(const char * fmt, ...);
+ int println(const char * fmt, ...);
+};
+
+class SoftOseOutputStream : public OutputStream {
+public:
+ SoftOseOutputStream();
+
+ int print(const char * fmt, ...);
+ int println(const char * fmt, ...);
+};
+
+class NullOutputStream : public OutputStream {
+public:
+ int print(const char * /* unused */, ...) { return 1;}
+ int println(const char * /* unused */, ...) { return 1;}
+};
+
+#endif