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39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/** Message related functions.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2015, Institute for Automation of Complex Power Systems, EONERC
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* This file is part of S2SS. All Rights Reserved. Proprietary and confidential.
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* Unauthorized copying of this file, via any medium is strictly prohibited.
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*********************************************************************************/
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#ifndef _MSG_H_
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#define _MSG_H_
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#include "msg_format.h"
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/** Swap a message to host byte order.
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*
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* Message can either be transmitted in little or big endian
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* format. The actual endianess for a message is defined by the
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* msg::byteorder field.
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* Received message are usally converted to the endianess of the host.
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* This is required for further sanity checks of the sequence number
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* or parsing of the data.
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*
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* @param m A pointer to the message
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*/
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void msg_swap(struct msg *m);
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/** Check the consistency of a message.
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*
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* The functions checks the header fields of a message.
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*
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* @param m A pointer to the message
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* @retval 0 The message header is valid.
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* @retval <0 The message header is invalid.
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*/
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int msg_verify(struct msg *m);
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#endif /* _MSG_H_ */
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