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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, Inc.
*
* 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
*/
#pragma once
#include <drizzled/plugin/listen_tcp.h>
#include <drizzled/plugin/client.h>
#include <drizzled/atomics.h>
#include <drizzled/plugin/table_function.h>
#include "net_serv.h"
namespace drizzle_plugin {
class ProtocolCounters
{
public:
ProtocolCounters() :
max_connections(1000)
{ }
drizzled::atomic<uint64_t> connectionCount;
drizzled::atomic<uint64_t> failedConnections;
drizzled::atomic<uint64_t> connected;
uint32_t max_connections;
};
typedef drizzled::constrained_check<uint32_t, 300, 1> timeout_constraint;
typedef drizzled::constrained_check<uint32_t, 300, 1> retry_constraint;
typedef drizzled::constrained_check<uint32_t, 1048576, 1024, 1024> buffer_constraint;
class ListenMySQLProtocol: public drizzled::plugin::ListenTcp
{
public:
ListenMySQLProtocol(std::string name, const std::string &hostname) :
drizzled::plugin::ListenTcp(name),
_hostname(hostname)
{ }
virtual const std::string getHost() const;
virtual in_port_t getPort() const;
virtual drizzled::plugin::Client *getClient(int fd);
static ProtocolCounters mysql_counters;
virtual ProtocolCounters& getCounters() const { return mysql_counters; }
void addCountersToTable();
protected:
const std::string _hostname;
};
class ClientMySQLProtocol: public drizzled::plugin::Client
{
protected:
NET net;
drizzled::String packet;
uint32_t client_capabilities;
bool _is_interactive;
bool checkConnection();
void netStoreData(const void*, size_t);
void writeEOFPacket(uint32_t server_status, uint32_t total_warn_count);
unsigned char *storeLength(unsigned char *packet, uint64_t length);
void makeScramble(char *scramble);
public:
ClientMySQLProtocol(int fd, ProtocolCounters&);
virtual ~ClientMySQLProtocol();
bool isInteractive() const
{
return _is_interactive;
}
ProtocolCounters& counters;
virtual int getFileDescriptor();
virtual bool isConnected();
virtual bool flush();
virtual void close();
virtual bool authenticate();
virtual bool readCommand(char **packet, uint32_t& packet_length);
virtual void sendOK();
virtual void sendEOF();
virtual void sendError(const drizzled::error_t sql_errno, const char *err);
virtual void sendFields(drizzled::List<drizzled::Item>&);
using Client::store;
virtual void store(drizzled::Field*);
virtual void store();
virtual void store(int32_t from);
virtual void store(uint32_t from);
virtual void store(int64_t from);
virtual void store(uint64_t from);
virtual void store(double from, uint32_t decimals, drizzled::String *buffer);
virtual void store(const char*, size_t);
virtual bool haveError();
virtual bool wasAborted();
};
} /* namespace drizzle_plugin */
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