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/* Copyright (c) 2003-2005 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 Transporter_H
#define Transporter_H
#include <ndb_global.h>
#include <SocketClient.hpp>
#include <TransporterRegistry.hpp>
#include <TransporterCallback.hpp>
#include "TransporterDefinitions.hpp"
#include "Packer.hpp"
#include <NdbMutex.h>
#include <NdbThread.h>
class Transporter {
friend class TransporterRegistry;
public:
virtual bool initTransporter() = 0;
/**
* Destructor
*/
virtual ~Transporter();
/**
* None blocking
* Use isConnected() to check status
*/
bool connect_client();
bool connect_client(NDB_SOCKET_TYPE sockfd);
bool connect_server(NDB_SOCKET_TYPE socket);
/**
* Blocking
*/
virtual void doDisconnect();
virtual Uint32 * getWritePtr(Uint32 lenBytes, Uint32 prio) = 0;
virtual void updateWritePtr(Uint32 lenBytes, Uint32 prio) = 0;
/**
* Are we currently connected
*/
bool isConnected() const;
/**
* Remote Node Id
*/
NodeId getRemoteNodeId() const;
/**
* Local (own) Node Id
*/
NodeId getLocalNodeId() const;
/**
* Get port we're connecting to (signed)
*/
int get_s_port() { return m_s_port; };
/**
* Set port to connect to (signed)
*/
void set_s_port(int port) {
m_s_port = port;
if(port<0)
port= -port;
if(m_socket_client)
m_socket_client->set_port(port);
};
virtual Uint32 get_free_buffer() const = 0;
protected:
Transporter(TransporterRegistry &,
TransporterType,
const char *lHostName,
const char *rHostName,
int s_port,
bool isMgmConnection,
NodeId lNodeId,
NodeId rNodeId,
NodeId serverNodeId,
int byteorder,
bool compression,
bool checksum,
bool signalId);
/**
* Blocking, for max timeOut milli seconds
* Returns true if connect succeded
*/
virtual bool connect_server_impl(NDB_SOCKET_TYPE sockfd) = 0;
virtual bool connect_client_impl(NDB_SOCKET_TYPE sockfd) = 0;
/**
* Blocking
*/
virtual void disconnectImpl() = 0;
/**
* Remote host name/and address
*/
char remoteHostName[256];
char localHostName[256];
struct in_addr remoteHostAddress;
struct in_addr localHostAddress;
int m_s_port;
const NodeId remoteNodeId;
const NodeId localNodeId;
const bool isServer;
unsigned createIndex;
int byteOrder;
bool compressionUsed;
bool checksumUsed;
bool signalIdUsed;
Packer m_packer;
private:
/**
* means that we transform an MGM connection into
* a transporter connection
*/
bool isMgmConnection;
SocketClient *m_socket_client;
struct in_addr m_connect_address;
protected:
Uint32 getErrorCount();
Uint32 m_errorCount;
Uint32 m_timeOutMillis;
protected:
bool m_connected; // Are we connected
TransporterType m_type;
TransporterRegistry &m_transporter_registry;
void *get_callback_obj() { return m_transporter_registry.callbackObj; };
void report_disconnect(int err){m_transporter_registry.report_disconnect(remoteNodeId,err);};
void report_error(enum TransporterError err, const char *info = 0)
{ reportError(get_callback_obj(), remoteNodeId, err, info); };
};
inline
bool
Transporter::isConnected() const {
return m_connected;
}
inline
NodeId
Transporter::getRemoteNodeId() const {
return remoteNodeId;
}
inline
NodeId
Transporter::getLocalNodeId() const {
return localNodeId;
}
inline
Uint32
Transporter::getErrorCount()
{
return m_errorCount;
}
#endif // Define of Transporter_H
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