OutputStream.hpp
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上传日期:2022-05-23
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文件大小:2k
- /* 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 <ndb_global.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