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libiec61850/src/mms/inc_private/iso_client_connection.h

99 lines
2.8 KiB
C

/*
* iso_client_connection.h
*
* This is an internal interface of MMSClientConnection that connects MMS to the ISO client
* protocol stack. It is used as an abstraction layer to isolate the MMS code from the lower
* protocol layers.
*
* Copyright 2013, 2014 Michael Zillgith
*
* This file is part of libIEC61850.
*
* libIEC61850 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, either version 3 of the License, or
* (at your option) any later version.
*
* libIEC61850 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 libIEC61850. If not, see <http://www.gnu.org/licenses/>.
*
* See COPYING file for the complete license text.
*/
#ifndef ISO_CLIENT_CONNECTION_H_
#define ISO_CLIENT_CONNECTION_H_
#include "byte_buffer.h"
#include "iso_connection_parameters.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum
{
ISO_IND_ASSOCIATION_SUCCESS,
ISO_IND_ASSOCIATION_FAILED,
ISO_IND_CLOSED,
ISO_IND_DATA
} IsoIndication;
typedef void*
(*IsoIndicationCallback)(IsoIndication indication, void* param, ByteBuffer* payload);
/**
* opaque data structure to represent an ISO client connection.
*/
typedef struct sIsoClientConnection* IsoClientConnection;
IsoClientConnection
IsoClientConnection_create(IsoIndicationCallback callback, void* callbackParameter);
void
IsoClientConnection_destroy(IsoClientConnection self);
void
IsoClientConnection_associate(IsoClientConnection self, IsoConnectionParameters params,
ByteBuffer* payload, uint32_t connectTimeoutInMs);
void
IsoClientConnection_sendMessage(IsoClientConnection self, ByteBuffer* payload);
void
IsoClientConnection_release(IsoClientConnection self);
void
IsoClientConnection_abort(IsoClientConnection self);
void
IsoClientConnection_close(IsoClientConnection self);
/**
* This function should be called by the API client (usually the MmsConnection) to reserve(allocate)
* the payload buffer. This is used to prevent concurrent access to the send buffer of the IsoClientConnection
*/
ByteBuffer*
IsoClientConnection_allocateTransmitBuffer(IsoClientConnection self);
/*
* The client should release the receive buffer in order for the IsoClientConnection to
* reuse the buffer! If this function is not called then the reception of messages is
* blocked!
*/
void
IsoClientConnection_releaseReceiveBuffer(IsoClientConnection self);
void*
IsoClientConnection_getSecurityToken(IsoClientConnection self);
#ifdef __cplusplus
}
#endif
#endif /* ISO_CLIENT_CONNECTION_H_ */