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/* Copyright (c) 2003-2007 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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef INPUT_STREAM_HPP
#define INPUT_STREAM_HPP
#include <ndb_global.h>
#include <NdbTCP.h>
#include <NdbMutex.h>
/**
* Input stream
*/
class InputStream {
public:
InputStream() { m_mutex= NULL; };
virtual ~InputStream() {};
virtual char* gets(char * buf, int bufLen) = 0;
/**
* Set the mutex to be UNLOCKED when blocking (e.g. select(2))
*/
void set_mutex(NdbMutex *m) { m_mutex= m; };
virtual void reset_timeout() {};
protected:
NdbMutex *m_mutex;
};
class FileInputStream : public InputStream {
FILE * f;
public:
FileInputStream(FILE * file = stdin);
virtual ~FileInputStream() {}
char* gets(char * buf, int bufLen);
};
extern FileInputStream Stdin;
class SocketInputStream : public InputStream {
NDB_SOCKET_TYPE m_socket;
unsigned m_timeout_ms;
unsigned m_timeout_remain;
bool m_startover;
bool m_timedout;
public:
SocketInputStream(NDB_SOCKET_TYPE socket, unsigned read_timeout_ms = 60000);
virtual ~SocketInputStream() {}
char* gets(char * buf, int bufLen);
bool timedout() { return m_timedout; };
void reset_timeout() { m_timedout= false; m_timeout_remain= m_timeout_ms;};
};
#endif
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