59 lines
2.8 KiB
C
59 lines
2.8 KiB
C
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/*=============================================================================|
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| PROJECT SNAP7 1.3.0 |
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|==============================================================================|
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| Copyright (C) 2013, 2015 Davide Nardella |
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| All rights reserved. |
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|==============================================================================|
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| SNAP7 is free software: you can redistribute it and/or modify |
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| it under the terms of the Lesser GNU General Public License as published by |
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| the Free Software Foundation, either version 3 of the License, or |
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| (at your option) any later version. |
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| |
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| It means that you can distribute your commercial software linked with |
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| SNAP7 without the requirement to distribute the source code of your |
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| application and without the requirement that your application be itself |
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| distributed under LGPL. |
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| SNAP7 is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| Lesser GNU General Public License for more details. |
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| You should have received a copy of the GNU General Public License and a |
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| copy of Lesser GNU General Public License along with Snap7. |
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| If not, see http://www.gnu.org/licenses/ |
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|=============================================================================*/
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#ifndef s7_peer_h
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#define s7_peer_h
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//---------------------------------------------------------------------------
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#include "s7_types.h"
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#include "s7_isotcp.h"
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//---------------------------------------------------------------------------
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const longword errPeerMask = 0xFFF00000;
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const longword errPeerBase = 0x000FFFFF;
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const longword errNegotiatingPDU = 0x00100000;
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class TSnap7Peer: public TIsoTcpSocket
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{
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private:
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word cntword;
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protected:
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bool Destroying;
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PS7ReqHeader PDUH_out;
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word GetNextWord();
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int SetError(int Error);
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int NegotiatePDULength();
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void ClrError();
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public:
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int LastError;
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int PDULength;
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int PDURequest;
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TSnap7Peer();
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~TSnap7Peer();
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void PeerDisconnect();
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int PeerConnect();
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};
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//---------------------------------------------------------------------------
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#endif
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