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CommandStation-EX/WifiInboundHandler.h
2022-05-02 23:18:05 -04:00

87 lines
2.6 KiB
C++

/*
© 2022 Mark Muzzin
© 2021 Harald Barth
© 2021 Fred Decker
(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 RECV_MSG_STATE : byte {
RECV_MSG_NONE, // No message to process
RECV_MSG_CRLF, // Message ending in CRLF
RECV_MSG_SND_DATA, // Send data message
RECV_MSG_IPD_MSG, // +IPD Message in progress
RECV_MSG_IPD_DONE, // +IPD Message done
RECV_MSG_GENERIC // Catchall for incoming messages not used
};
enum CIP_SEND_STATUS : byte {
CIP_SEND_NONE,
CIP_SEND_PENDING,
CIP_SEND_SENT,
CIP_SEND_DATA_SENT
};
WifiInboundHandler(Stream * ESStream);
void loop1();
INBOUND_STATE loop2();
void purgeCurrentCIPSEND();
int antoi(char* str, int len);
Stream * wifiStream;
static const int INBOUND_CMD_BUFFER = 32;
static const int INBOUND_RING = 512;
static const int OUTBOUND_RING = 2048;
RingStream * inboundRing;
RingStream * outboundRing;
RECV_MSG_STATE messageToProcess = RECV_MSG_NONE; // Track the current message to process
int runningClientId; // latest client inbound processing data or CLOSE
int dataLength; // dataLength of +IPD
int dataRemaining = 0; // remaining +IPD data to receive
int clientPendingCIPSEND = -1;
int currentReplySize;
CIP_SEND_STATUS cipSendStatus;
char recBuffer[INBOUND_CMD_BUFFER] = {'\0'};
int recBufferPos = 0;
int recBufferWatermark = 0;
};
#endif