155 lines
4.0 KiB
C++
155 lines
4.0 KiB
C++
/* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef NDBOUT_H
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#define NDBOUT_H
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#ifdef __cplusplus
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#include <ndb_types.h>
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#include <util/BaseString.hpp>
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#include <ndb_global.h>
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/**
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* Class used for outputting logging messages to screen.
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* Since the output capabilities are different on different platforms
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* this middle layer class should be used for all output messages
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*/
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/*
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Example usage:
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#include "NdbOut.hpp"
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/ * Use ndbout as you would use cout:
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ndbout << "Hello World! "<< 1 << " Hello again"
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<< 67 << anIntegerVar << "Hup << endl;
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/ * Use ndbout_c as you would use printf:
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ndbout_c("Hello World %d\n", 1);
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*/
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class NdbOut;
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class OutputStream;
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class NullOutputStream;
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/* Declare a static variable of NdbOut as ndbout */
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extern NdbOut ndbout, ndberr;
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class NdbOut
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{
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public:
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NdbOut& operator<<(NdbOut& (* _f)(NdbOut&));
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NdbOut& operator<<(Int8);
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NdbOut& operator<<(Uint8);
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NdbOut& operator<<(Int16);
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NdbOut& operator<<(Uint16);
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NdbOut& operator<<(Int32);
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NdbOut& operator<<(Uint32);
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NdbOut& operator<<(Int64);
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NdbOut& operator<<(Uint64);
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NdbOut& operator<<(long unsigned int);
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NdbOut& operator<<(const char*);
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NdbOut& operator<<(const unsigned char*);
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NdbOut& operator<<(BaseString &);
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NdbOut& operator<<(const void*);
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NdbOut& operator<<(float);
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NdbOut& operator<<(double);
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NdbOut& endline(void);
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NdbOut& flushline(bool force=true);
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NdbOut& setHexFormat(int _format);
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NdbOut& hexdump(const Uint32 * words, size_t count);
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NdbOut();
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NdbOut(OutputStream &, bool autoflush = true);
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virtual ~NdbOut();
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void print(const char * fmt, ...)
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ATTRIBUTE_FORMAT(printf, 2, 3);
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void println(const char * fmt, ...)
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ATTRIBUTE_FORMAT(printf, 2, 3);
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OutputStream * m_out;
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private:
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void choose(const char * fmt,...);
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int isHex;
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bool m_autoflush;
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};
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inline NdbOut& NdbOut::operator<<(NdbOut& (* _f)(NdbOut&)) {
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(* _f)(*this);
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return * this;
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}
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inline NdbOut& endl(NdbOut& _NdbOut) {
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return _NdbOut.endline();
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}
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inline NdbOut& flush(NdbOut& _NdbOut) {
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return _NdbOut.flushline();
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}
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inline NdbOut& hex(NdbOut& _NdbOut) {
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return _NdbOut.setHexFormat(1);
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}
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inline NdbOut& dec(NdbOut& _NdbOut) {
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return _NdbOut.setHexFormat(0);
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}
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extern "C"
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void ndbout_c(const char * fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2);
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class FilteredNdbOut : public NdbOut {
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public:
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FilteredNdbOut(OutputStream &, int threshold = 0, int level = 0);
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virtual ~FilteredNdbOut();
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void setLevel(int i);
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void setThreshold(int i);
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int getLevel() const;
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int getThreshold() const;
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private:
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int m_threshold, m_level;
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OutputStream * m_org;
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NullOutputStream * m_null;
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};
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void
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NdbOut_ReInit(OutputStream* stdout_ostream,
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OutputStream* stderr_ostream);
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void
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NdbOut_Init();
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#else
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void ndbout_c(const char * fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2);
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#endif
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#endif
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