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CommandStation-EX/WifiInboundHandler.h
2021-04-14 22:46:29 +02:00

82 lines
2.5 KiB
C++

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