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CommandStation-EX/WifiInboundHandler.h

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#ifndef WifiInboundHandler_h
#define WifiInboundHandler_h
#include "MemStream.h"
#include "DCCEXParser.h"
#include "DIAG.h"
class WifiInboundHandler {
public:
static void setup(Stream * ESStream);
static void loop();
private:
static WifiInboundHandler * singleton;
static const byte MAX_CLIENTS=5;
static const byte MAX_WIFI_BUFFER=255;
enum INBOUND_STATE {
INBOUND_BUSY, // keep calling in loop()
INBOUND_IDLE // Nothing happening, outbound may xcall CIPSEND
};
enum LOOP_STATE {
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
GOT_CLIENT_ID, // clientid prefix to CONNECTED / CLOSED
GOT_CLIENT_ID2, // clientid prefix to CONNECTED / CLOSED
GOT_CLIENT_ID3 // clientid prefix to CONNECTED / CLOSED
};
enum CLIENT_STATUS {
UNUSED, // client slot not in use
INBOUND_ARRIVING, // data is arriving
READY_TO_PROCESS, // data has arrived, may call parser now
PROCESSING, // command in progress
REPLY_PENDING, // reply is ready to CIPSEND
CIPSEND_PENDING, // CIPSEND waiting for >
CLOSE_PENDING, // CLOSE received
CLOSE_AFTER_SEND // Send CLOSE after CIPSEND completed
};
WifiInboundHandler(Stream * ESStream);
void loop1();
INBOUND_STATE loop2();
void processCommand(byte clientId);
Stream * wifiStream;
DCCEXParser *parser;
LOOP_STATE loopState=ANYTHING;
int runningClientId; // latest client inbound processing data or CLOSE
int dataLength; // dataLength of +IPD
byte * clientBuffer[MAX_CLIENTS];
MemStream * clientStream[MAX_CLIENTS];
CLIENT_STATUS clientStatus[MAX_CLIENTS];
bool clientCloseAfterReply[MAX_CLIENTS];
int clientPendingCIPSEND=-1;
};
#endif