mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*
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* (c) 2021 Fred Decker. All rights reserved.
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* (c) 2020 Chris Harlow. All rights reserved.
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*
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* This file is part of CommandStation-EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the 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 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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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef WifiInboundHandler_h
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#define WifiInboundHandler_h
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#include "RingStream.h"
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#include "WiThrottle.h"
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#include "DIAG.h"
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class WifiInboundHandler {
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public:
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static void setup(Stream * ESStream);
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static void loop();
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private:
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static WifiInboundHandler * singleton;
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enum INBOUND_STATE : byte {
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INBOUND_BUSY, // keep calling in loop()
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INBOUND_IDLE // Nothing happening, outbound may xcall CIPSEND
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};
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enum LOOP_STATE : byte {
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ANYTHING, // ready for +IPD, n CLOSED, n CONNECTED, busy etc...
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SKIPTOEND, // skip to newline
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// +IPD,client,length:data
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IPD, // got +
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IPD1, // got +I
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IPD2, // got +IP
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IPD3, // got +IPD
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IPD4_CLIENT, // got +IPD, reading cient id
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IPD5, // got +IPD,c
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IPD6_LENGTH, // got +IPD,c, reading length
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IPD_DATA, // got +IPD,c,ll,: collecting data
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IPD_IGNORE_DATA, // got +IPD,c,ll,: ignoring the data that won't fit inblound Ring
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GOT_CLIENT_ID, // clientid prefix to CONNECTED / CLOSED
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GOT_CLIENT_ID2 // clientid prefix to CONNECTED / CLOSED
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};
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WifiInboundHandler(Stream * ESStream);
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void loop1();
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INBOUND_STATE loop2();
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void purgeCurrentCIPSEND();
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Stream * wifiStream;
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static const int INBOUND_RING = 512;
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static const int OUTBOUND_RING = 2048;
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RingStream * inboundRing;
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RingStream * outboundRing;
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LOOP_STATE loopState=ANYTHING;
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int runningClientId; // latest client inbound processing data or CLOSE
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int dataLength; // dataLength of +IPD
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int clientPendingCIPSEND=-1;
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int currentReplySize;
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bool pendingCipsend;
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};
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#endif
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