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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_PLUGIN_PROTOCOL_H
#define DRIZZLED_PLUGIN_PROTOCOL_H
#include <drizzled/sql_list.h>
#include <drizzled/item.h>
class Session;
class String;
class Protocol
{
protected:
Session *session;
public:
Protocol() {}
virtual ~Protocol() {}
virtual void setSession(Session *session_arg)
{
session= session_arg;
}
virtual Session *getSession(void)
{
return session;
}
virtual bool isConnected()= 0;
virtual void setReadTimeout(uint32_t timeout)= 0;
virtual void setWriteTimeout(uint32_t timeout)= 0;
virtual void setRetryCount(uint32_t count)= 0;
virtual void setError(char error)= 0;
virtual bool haveError(void)= 0;
virtual bool wasAborted(void)= 0;
virtual void enableCompression(void)= 0;
virtual bool haveMoreData(void)= 0;
virtual bool isReading(void)= 0;
virtual bool isWriting(void)= 0;
virtual bool setFileDescriptor(int fd)=0;
virtual int fileDescriptor(void)=0;
virtual void setRandom(uint64_t, uint64_t) {};
virtual bool authenticate(void)=0;
virtual bool readCommand(char **packet, uint32_t *packet_length)=0;
virtual void sendOK()= 0;
virtual void sendEOF()= 0;
virtual void sendError(uint32_t sql_errno, const char *err)=0;
virtual void close()= 0;
virtual void forceClose()= 0;
virtual void prepareForResend()= 0;
virtual void free()= 0;
virtual bool write()= 0;
enum { SEND_NUM_ROWS= 1, SEND_DEFAULTS= 2, SEND_EOF= 4 };
virtual bool sendFields(List<Item> *list, uint32_t flags)= 0;
virtual bool store(Field *from)= 0;
virtual bool store(void)= 0;
virtual bool store(int32_t from)= 0;
virtual bool store(uint32_t from)= 0;
virtual bool store(int64_t from)= 0;
virtual bool store(uint64_t from)= 0;
virtual bool store(double from, uint32_t decimals, String *buffer)= 0;
virtual bool store(const DRIZZLE_TIME *from)= 0;
virtual bool store(const char *from)
{
if (from == NULL)
return store();
return store(from, strlen(from));
}
virtual bool store(const char *from, size_t length)= 0;
};
#endif /* DRIZZLED_PLUGIN_PROTOCOL_H */
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