mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-12-23 21:01:25 +01:00
Merge branch 'master' of https://github.com/DCC-EX/CommandStation-EX
This commit is contained in:
commit
43755b054f
@ -22,51 +22,10 @@
|
||||
|
||||
DCCEXParser * CommandDistributor::parser=0;
|
||||
|
||||
bool CommandDistributor::parse(byte clientId,byte * buffer, Print * streamer) {
|
||||
|
||||
|
||||
// SIDE EFFECT WARNING:::
|
||||
// We know that parser will read the entire buffer before starting to write to it.
|
||||
// Otherwise we would have to copy the buffer elsewhere and RAM is in short supply.
|
||||
|
||||
|
||||
bool closeAfter=false;
|
||||
// Intercept HTTP requests
|
||||
if (isHTTP(buffer)) {
|
||||
if (httpCallback) httpCallback(streamer, buffer);
|
||||
closeAfter = true;
|
||||
}
|
||||
else if (buffer[0] == '<') {
|
||||
void CommandDistributor::parse(byte clientId,byte * buffer, RingStream * streamer) {
|
||||
if (buffer[0] == '<') {
|
||||
if (!parser) parser = new DCCEXParser();
|
||||
parser->parse(streamer, buffer, true); // tell JMRI parser that ACKS are blocking because we can't handle the async
|
||||
}
|
||||
else WiThrottle::getThrottle(clientId)->parse(*streamer, buffer);
|
||||
|
||||
return closeAfter;
|
||||
else WiThrottle::getThrottle(clientId)->parse(streamer, buffer);
|
||||
}
|
||||
|
||||
bool CommandDistributor::isHTTP(byte * buffer) {
|
||||
|
||||
// POST GET PUT PATCH DELETE
|
||||
// You may think a simple strstr() is better... but not when ram & time is in short supply
|
||||
switch (buffer[0]) {
|
||||
case 'P':
|
||||
if (buffer[1] == 'U' && buffer[2] == 'T' && buffer[3] == ' ' ) return true;
|
||||
if (buffer[1] == 'O' && buffer[2] == 'S' && buffer[3] == 'T' && buffer[4] == ' ') return true;
|
||||
if (buffer[1] == 'A' && buffer[2] == 'T' && buffer[3] == 'C' && buffer[4] == 'H' && buffer[5] == ' ') return true;
|
||||
return false;
|
||||
case 'G':
|
||||
if (buffer[1] == 'E' && buffer[2] == 'T' && buffer[3] == ' ' ) return true;
|
||||
return false;
|
||||
case 'D':
|
||||
if (buffer[1] == 'E' && buffer[2] == 'L' && buffer[3] == 'E' && buffer[4] == 'T' && buffer[5] == 'E' && buffer[6] == ' ') return true;
|
||||
return false;
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void CommandDistributor::setHTTPCallback(HTTP_CALLBACK callback) {
|
||||
httpCallback = callback;
|
||||
}
|
||||
HTTP_CALLBACK CommandDistributor::httpCallback=0;
|
||||
|
@ -19,19 +19,13 @@
|
||||
#ifndef CommandDistributor_h
|
||||
#define CommandDistributor_h
|
||||
#include "DCCEXParser.h"
|
||||
|
||||
typedef void (*HTTP_CALLBACK)(Print *stream, byte *cmd);
|
||||
#include "RingStream.h"
|
||||
|
||||
class CommandDistributor {
|
||||
|
||||
public :
|
||||
static void setHTTPCallback(HTTP_CALLBACK callback);
|
||||
static bool parse(byte clientId,byte* buffer, Print * streamer);
|
||||
|
||||
|
||||
static void parse(byte clientId,byte* buffer, RingStream * streamer);
|
||||
private:
|
||||
static HTTP_CALLBACK httpCallback;
|
||||
static bool isHTTP(byte * buffer);
|
||||
static DCCEXParser * parser;
|
||||
};
|
||||
|
||||
|
9
DCC.cpp
9
DCC.cpp
@ -155,6 +155,15 @@ int DCC::changeFn( int cab, byte functionNumber, bool pressed) {
|
||||
return funcstate;
|
||||
}
|
||||
|
||||
int DCC::getFn( int cab, byte functionNumber) {
|
||||
if (cab<=0 || functionNumber>28) return -1; // unknown
|
||||
int reg = lookupSpeedTable(cab);
|
||||
if (reg<0) return -1;
|
||||
|
||||
unsigned long funcmask = (1UL<<functionNumber);
|
||||
return (speedTable[reg].functions & funcmask)? 1 : 0;
|
||||
}
|
||||
|
||||
// Set the group flag to say we have touched the particular group.
|
||||
// A group will be reminded only if it has been touched.
|
||||
void DCC::updateGroupflags(byte & flags, int functionNumber) {
|
||||
|
1
DCC.h
1
DCC.h
@ -72,6 +72,7 @@ public:
|
||||
static void setFunction(int cab, byte fByte, byte eByte);
|
||||
static void setFn(int cab, byte functionNumber, bool on);
|
||||
static int changeFn(int cab, byte functionNumber, bool pressed);
|
||||
static int getFn(int cab, byte functionNumber);
|
||||
static void updateGroupflags(byte &flags, int functionNumber);
|
||||
static void setAccessory(int aAdd, byte aNum, bool activate);
|
||||
static bool writeTextPacket(byte *b, int nBytes);
|
||||
|
99
RingStream.cpp
Normal file
99
RingStream.cpp
Normal file
@ -0,0 +1,99 @@
|
||||
/*
|
||||
* © 2020, Chris Harlow. All rights reserved.
|
||||
*
|
||||
* This file is part of DCC-EX 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/>.
|
||||
*/
|
||||
|
||||
#include "RingStream.h"
|
||||
#include "DIAG.h"
|
||||
|
||||
RingStream::RingStream( const uint16_t len)
|
||||
{
|
||||
_len=len;
|
||||
_buffer=new byte[len];
|
||||
_pos_write=0;
|
||||
_pos_read=0;
|
||||
_buffer[0]=0;
|
||||
_overflow=false;
|
||||
_mark=0;
|
||||
_count=0;
|
||||
}
|
||||
|
||||
size_t RingStream::write(uint8_t b) {
|
||||
if (_overflow) return 0;
|
||||
_buffer[_pos_write] = b;
|
||||
++_pos_write;
|
||||
if (_pos_write==_len) _pos_write=0;
|
||||
if (_pos_write==_pos_read) {
|
||||
_overflow=true;
|
||||
return 0;
|
||||
}
|
||||
_count++;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int RingStream::read() {
|
||||
if ((_pos_read==_pos_write) && !_overflow) return -1; // empty
|
||||
byte b=_buffer[_pos_read];
|
||||
_pos_read++;
|
||||
if (_pos_read==_len) _pos_read=0;
|
||||
_overflow=false;
|
||||
return b;
|
||||
}
|
||||
|
||||
|
||||
int RingStream::count() {
|
||||
return (read()<<8) | read();
|
||||
}
|
||||
|
||||
int RingStream::freeSpace() {
|
||||
// allow space for client flag and length bytes
|
||||
if (_pos_read>_pos_write) return _pos_read-_pos_write-3;
|
||||
else return _len - _pos_write + _pos_read-3;
|
||||
}
|
||||
|
||||
|
||||
// mark start of message with client id (0...9)
|
||||
void RingStream::mark(uint8_t b) {
|
||||
_mark=_pos_write;
|
||||
write(b); // client id
|
||||
write((uint8_t)0); // count MSB placemarker
|
||||
write((uint8_t)0); // count LSB placemarker
|
||||
_count=0;
|
||||
}
|
||||
|
||||
bool RingStream::commit() {
|
||||
if (_overflow) {
|
||||
DIAG(F("\nRingStream(%d) commit(%d) OVERFLOW\n"),_len, _count);
|
||||
// just throw it away
|
||||
_pos_write=_mark;
|
||||
_overflow=false;
|
||||
return false; // commit failed
|
||||
}
|
||||
if (_count==0) {
|
||||
// ignore empty response
|
||||
_pos_write=_mark;
|
||||
return true; // true=commit ok
|
||||
}
|
||||
// Go back to the _mark and inject the count 1 byte later
|
||||
_mark++;
|
||||
if (_mark==_len) _mark=0;
|
||||
_buffer[_mark]=highByte(_count);
|
||||
_mark++;
|
||||
if (_mark==_len) _mark=0;
|
||||
_buffer[_mark]=lowByte(_count);
|
||||
return true; // commit worked
|
||||
}
|
47
RingStream.h
Normal file
47
RingStream.h
Normal file
@ -0,0 +1,47 @@
|
||||
#ifndef RingStream_h
|
||||
#define RingStream_h
|
||||
/*
|
||||
* © 2020, Chris Harlow. All rights reserved.
|
||||
*
|
||||
* This file is part of DCC-EX 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/>.
|
||||
*/
|
||||
|
||||
#include <Arduino.h>
|
||||
|
||||
class RingStream : public Print {
|
||||
|
||||
public:
|
||||
RingStream( const uint16_t len);
|
||||
|
||||
virtual size_t write(uint8_t b);
|
||||
using Print::write;
|
||||
int read();
|
||||
int count();
|
||||
int freeSpace();
|
||||
void mark(uint8_t b);
|
||||
bool commit();
|
||||
|
||||
private:
|
||||
int _len;
|
||||
int _pos_write;
|
||||
int _pos_read;
|
||||
bool _overflow;
|
||||
int _mark;
|
||||
int _count;
|
||||
byte * _buffer;
|
||||
};
|
||||
|
||||
#endif
|
@ -47,9 +47,16 @@ void StringFormatter::diag( const __FlashStringHelper* input...) {
|
||||
}
|
||||
|
||||
void StringFormatter::lcd(byte row, const __FlashStringHelper* input...) {
|
||||
va_list args;
|
||||
|
||||
// Issue the LCD as a diag first
|
||||
diag(F("\nLCD%d:"),row);
|
||||
va_start(args, input);
|
||||
send2(diagSerial,input,args);
|
||||
diag(F("\n"));
|
||||
|
||||
if (!LCDDisplay::lcdDisplay) return;
|
||||
LCDDisplay::lcdDisplay->setRow(row);
|
||||
va_list args;
|
||||
va_start(args, input);
|
||||
send2(LCDDisplay::lcdDisplay,input,args);
|
||||
}
|
||||
|
@ -99,17 +99,9 @@ WiThrottle::~WiThrottle() {
|
||||
}
|
||||
}
|
||||
|
||||
void WiThrottle::parse(Print & stream, byte * cmdx) {
|
||||
void WiThrottle::parse(RingStream * stream, byte * cmdx) {
|
||||
|
||||
// we have to take a copy of the cmd buffer as the reply will get built into the cmdx
|
||||
byte local[150];
|
||||
for (byte i=0;i<sizeof(local)-1;i++) {
|
||||
local[i]=cmdx[i];
|
||||
if (!cmdx[i]) break;
|
||||
}
|
||||
local[149]='\0'; // prevent runaway parser
|
||||
|
||||
byte * cmd=local;
|
||||
byte * cmd=cmdx;
|
||||
|
||||
heartBeat=millis();
|
||||
if (Diag::WITHROTTLE) DIAG(F("\n%l WiThrottle(%d)<-[%e]\n"),millis(),clientid,cmd);
|
||||
@ -213,7 +205,7 @@ int WiThrottle::getLocoId(byte * cmd) {
|
||||
if (cmd[0]!='L' && cmd[0]!='S') return 0; // should not match any locos
|
||||
return getInt(cmd+1);
|
||||
}
|
||||
void WiThrottle::multithrottle(Print & stream, byte * cmd){
|
||||
void WiThrottle::multithrottle(RingStream * stream, byte * cmd){
|
||||
char throttleChar=cmd[1];
|
||||
int locoid=getLocoId(cmd+3); // -1 for *
|
||||
byte * aval=cmd;
|
||||
@ -239,8 +231,11 @@ void WiThrottle::multithrottle(Print & stream, byte * cmd){
|
||||
myLocos[loco].throttle=throttleChar;
|
||||
myLocos[loco].cab=locoid;
|
||||
StringFormatter::send(stream, F("M%c+%c%d<;>\n"), throttleChar, cmd[3] ,locoid); //tell client to add loco
|
||||
// TODO... get known Fn states from DCC (need memoryStream improvements to handle data length)
|
||||
// for(fKey=0; fKey<29; fKey++)StringFormatter::send(stream,F("M%cA%c<;>F0&s\n"),throttleChar,cmd[3],fkey);
|
||||
//Get known Fn states from DCC
|
||||
for(int fKey=0; fKey<=28; fKey++) {
|
||||
int fstate=DCC::getFn(locoid,fKey);
|
||||
if (fstate>=0) StringFormatter::send(stream,F("M%cA%c<;>F%d%d\n"),throttleChar,cmd[3],fstate,fKey);
|
||||
}
|
||||
StringFormatter::send(stream, F("M%cA%c%d<;>V%d\n"), throttleChar, cmd[3], locoid, DCCToWiTSpeed(DCC::getThrottleSpeed(locoid)));
|
||||
StringFormatter::send(stream, F("M%cA%c%d<;>R%d\n"), throttleChar, cmd[3], locoid, DCC::getThrottleDirection(locoid));
|
||||
StringFormatter::send(stream, F("M%cA%c%d<;>s1\n"), throttleChar, cmd[3], locoid); //default speed step 128
|
||||
@ -261,7 +256,7 @@ void WiThrottle::multithrottle(Print & stream, byte * cmd){
|
||||
}
|
||||
}
|
||||
|
||||
void WiThrottle::locoAction(Print & stream, byte* aval, char throttleChar, int cab){
|
||||
void WiThrottle::locoAction(RingStream * stream, byte* aval, char throttleChar, int cab){
|
||||
// Note cab=-1 for all cabs in the consist called throttleChar.
|
||||
// DIAG(F("\nLoco Action aval=%c%c throttleChar=%c, cab=%d"), aval[0],aval[1],throttleChar, cab);
|
||||
switch (aval[0]) {
|
||||
@ -339,10 +334,19 @@ int WiThrottle::WiTToDCCSpeed(int WiTSpeed) {
|
||||
return WiTSpeed + 1; //offset others by 1
|
||||
}
|
||||
|
||||
void WiThrottle::loop() {
|
||||
void WiThrottle::loop(RingStream * stream) {
|
||||
// for each WiThrottle, check the heartbeat
|
||||
for (WiThrottle* wt=firstThrottle; wt!=NULL ; wt=wt->nextThrottle)
|
||||
wt->checkHeartbeat();
|
||||
|
||||
// TODO... any broadcasts to be done
|
||||
(void)stream;
|
||||
/* MUST follow this model in this loop.
|
||||
* stream->mark();
|
||||
* send 1 digit client id, and any data
|
||||
* stream->commit()
|
||||
*/
|
||||
|
||||
}
|
||||
|
||||
void WiThrottle::checkHeartbeat() {
|
||||
|
11
WiThrottle.h
11
WiThrottle.h
@ -19,6 +19,7 @@
|
||||
#ifndef WiThrottle_h
|
||||
#define WiThrottle_h
|
||||
|
||||
#include "RingStream.h"
|
||||
|
||||
struct MYLOCO {
|
||||
char throttle; //indicates which throttle letter on client, often '0','1' or '2'
|
||||
@ -27,8 +28,8 @@ struct MYLOCO {
|
||||
|
||||
class WiThrottle {
|
||||
public:
|
||||
static void loop();
|
||||
void parse(Print & stream, byte * cmd);
|
||||
static void loop(RingStream * stream);
|
||||
void parse(RingStream * stream, byte * cmd);
|
||||
static WiThrottle* getThrottle( int wifiClient);
|
||||
static bool annotateLeftRight;
|
||||
private:
|
||||
@ -56,9 +57,9 @@ class WiThrottle {
|
||||
bool lastPowerState; // last power state sent to this client
|
||||
int DCCToWiTSpeed(int DCCSpeed);
|
||||
int WiTToDCCSpeed(int WiTSpeed);
|
||||
void multithrottle(Print & stream, byte * cmd);
|
||||
void locoAction(Print & stream, byte* aval, char throttleChar, int cab);
|
||||
void accessory(Print & stream, byte* cmd);
|
||||
void multithrottle(RingStream * stream, byte * cmd);
|
||||
void locoAction(RingStream * stream, byte* aval, char throttleChar, int cab);
|
||||
void accessory(RingStream *, byte* cmd);
|
||||
void checkHeartbeat();
|
||||
};
|
||||
#endif
|
||||
|
@ -1,5 +1,6 @@
|
||||
#include <Arduino.h>
|
||||
#include "WifiInboundHandler.h"
|
||||
#include "RingStream.h"
|
||||
#include "CommandDistributor.h"
|
||||
#include "DIAG.h"
|
||||
|
||||
@ -16,14 +17,10 @@ void WifiInboundHandler::loop() {
|
||||
|
||||
WifiInboundHandler::WifiInboundHandler(Stream * ESStream) {
|
||||
wifiStream=ESStream;
|
||||
for (int clientId=0;clientId<MAX_CLIENTS;clientId++) {
|
||||
clientStatus[clientId]=UNUSED;
|
||||
// Note buffer is 1 byte longer than MemStream is told
|
||||
// so that we can always inject a '\0' at stream->available()
|
||||
clientBuffer[clientId]=new byte[MAX_WIFI_BUFFER+1];
|
||||
clientStream[clientId]=new MemStream(clientBuffer[clientId], MAX_WIFI_BUFFER);
|
||||
}
|
||||
clientPendingCIPSEND=-1;
|
||||
inboundRing=new RingStream(INBOUND_RING);
|
||||
outboundRing=new RingStream(OUTBOUND_RING);
|
||||
pendingCipsend=false;
|
||||
}
|
||||
|
||||
|
||||
@ -31,38 +28,48 @@ WifiInboundHandler::WifiInboundHandler(Stream * ESStream) {
|
||||
// +IPD,x,lll:data is stored in streamer[x]
|
||||
// Other input returns
|
||||
void WifiInboundHandler::loop1() {
|
||||
|
||||
// First handle all inbound traffic events
|
||||
// First handle all inbound traffic events because they will block the sending
|
||||
if (loop2()!=INBOUND_IDLE) return;
|
||||
|
||||
WiThrottle::loop(outboundRing);
|
||||
|
||||
// if nothing is already CIPSEND pending, we can CIPSEND one reply
|
||||
if (clientPendingCIPSEND<0) {
|
||||
for (int clientId=0;clientId<MAX_CLIENTS;clientId++) {
|
||||
if (clientStatus[clientId]==REPLY_PENDING) {
|
||||
clientPendingCIPSEND=clientId;
|
||||
if (Diag::WIFI) DIAG( F("\nWiFi: [[CIPSEND=%d,%d]]"), clientId, clientStream[clientId]->available());
|
||||
StringFormatter::send(wifiStream, F("AT+CIPSEND=%d,%d\r\n"), clientId, clientStream[clientId]->available());
|
||||
clientStatus[clientId]=CIPSEND_PENDING;
|
||||
return;
|
||||
}
|
||||
clientPendingCIPSEND=outboundRing->read();
|
||||
if (clientPendingCIPSEND>=0) {
|
||||
currentReplySize=outboundRing->count();
|
||||
pendingCipsend=true;
|
||||
}
|
||||
}
|
||||
|
||||
// if something waiting to close we can call one of them
|
||||
|
||||
for (int clientId=0;clientId<MAX_CLIENTS;clientId++) {
|
||||
if (clientStatus[clientId]==CLOSE_AFTER_SEND) {
|
||||
if (Diag::WIFI) DIAG(F("AT+CIPCLOSE=%d\r\n"), clientId);
|
||||
StringFormatter::send(wifiStream, F("AT+CIPCLOSE=%d\r\n"), clientId);
|
||||
clientStatus[clientId]=UNUSED;
|
||||
if (pendingCipsend) {
|
||||
if (Diag::WIFI) DIAG( F("\nWiFi: [[CIPSEND=%d,%d]]"), clientPendingCIPSEND, currentReplySize);
|
||||
StringFormatter::send(wifiStream, F("AT+CIPSEND=%d,%d\r\n"), clientPendingCIPSEND, currentReplySize);
|
||||
pendingCipsend=false;
|
||||
return;
|
||||
}
|
||||
if (clientStatus[clientId]==READY_TO_PROCESS) {
|
||||
processCommand(clientId);
|
||||
|
||||
|
||||
// if something waiting to execute, we can call it
|
||||
int clientId=inboundRing->read();
|
||||
if (clientId>=0) {
|
||||
int count=inboundRing->count();
|
||||
if (Diag::WIFI) DIAG(F("\nWifi EXEC: %d %d:"),clientId,count);
|
||||
byte cmd[count+1];
|
||||
for (int i=0;i<count;i++) cmd[i]=inboundRing->read();
|
||||
cmd[count]=0;
|
||||
if (Diag::WIFI) DIAG(F("%e\n"),cmd);
|
||||
|
||||
outboundRing->mark(clientId); // remember start of outbound data
|
||||
CommandDistributor::parse(clientId,cmd,outboundRing);
|
||||
// The commit call will either write the lenbgth bytes
|
||||
// OR rollback to the mark because the reply is empty or commend generated more than fits the buffer
|
||||
outboundRing->commit();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
// This is a Finite State Automation (FSA) handling the inbound bytes from an ES AT command processor
|
||||
@ -78,7 +85,7 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
}
|
||||
|
||||
switch (loopState) {
|
||||
case ANYTHING: // looking for +IPD, > , busy , n,CONNECTED, n,CLOSED
|
||||
case ANYTHING: // looking for +IPD, > , busy , n,CONNECTED, n,CLOSED, ERROR, SEND OK
|
||||
|
||||
if (ch == '+') {
|
||||
loopState = IPD;
|
||||
@ -86,10 +93,14 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
}
|
||||
|
||||
if (ch=='>') {
|
||||
if (Diag::WIFI) DIAG(F("[[XMIT %d]]"),clientStream[clientPendingCIPSEND]->available());
|
||||
wifiStream->write(clientBuffer[clientPendingCIPSEND], clientStream[clientPendingCIPSEND]->available());
|
||||
clientStatus[clientPendingCIPSEND]=clientCloseAfterReply[clientPendingCIPSEND]? CLOSE_AFTER_SEND: UNUSED;
|
||||
if (Diag::WIFI) DIAG(F("[XMIT %d]"),currentReplySize);
|
||||
for (int i=0;i<currentReplySize;i++) {
|
||||
int cout=outboundRing->read();
|
||||
wifiStream->write(cout);
|
||||
if (Diag::WIFI) StringFormatter::printEscape(cout); // DIAG in disguise
|
||||
}
|
||||
clientPendingCIPSEND=-1;
|
||||
pendingCipsend=false;
|
||||
loopState=SKIPTOEND;
|
||||
break;
|
||||
}
|
||||
@ -99,21 +110,32 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
break;
|
||||
}
|
||||
|
||||
if (ch=='b') { // This is a busy indicator... probabaly must restart a CIPSEND
|
||||
if (clientPendingCIPSEND>=0) {
|
||||
clientStatus[clientPendingCIPSEND]=REPLY_PENDING;
|
||||
clientPendingCIPSEND=-1;
|
||||
}
|
||||
if (ch=='S') { // SEND OK probably
|
||||
loopState=SKIPTOEND;
|
||||
break;
|
||||
}
|
||||
|
||||
if (ch>='0' && ch<=('0'+MAX_CLIENTS)) {
|
||||
if (ch=='b') { // This is a busy indicator... probabaly must restart a CIPSEND
|
||||
pendingCipsend=(clientPendingCIPSEND>=0);
|
||||
loopState=SKIPTOEND;
|
||||
break;
|
||||
}
|
||||
|
||||
if (ch>='0' && ch<='9') {
|
||||
runningClientId=ch-'0';
|
||||
loopState=GOT_CLIENT_ID;
|
||||
break;
|
||||
}
|
||||
|
||||
if (ch=='E' || ch=='l') { // ERROR or "link is not valid"
|
||||
if (clientPendingCIPSEND>=0) {
|
||||
// A CIPSEND was errored... just toss it away
|
||||
purgeCurrentCIPSEND();
|
||||
}
|
||||
loopState=SKIPTOEND;
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case IPD: // Looking for I in +IPD
|
||||
@ -133,7 +155,7 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
break;
|
||||
|
||||
case IPD4_CLIENT: // reading connection id
|
||||
if (ch >= '0' || ch <('0'+MAX_CLIENTS)){
|
||||
if (ch >= '0' || ch <='9'){
|
||||
runningClientId=ch-'0';
|
||||
loopState=IPD5;
|
||||
}
|
||||
@ -151,8 +173,14 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
loopState=ANYTHING;
|
||||
break;
|
||||
}
|
||||
clientStream[runningClientId]->flush(); // prepare streamer for input
|
||||
clientStatus[runningClientId]=INBOUND_ARRIVING;
|
||||
if (Diag::WIFI) DIAG(F("\nWifi inbound data(%d:%d):"),runningClientId,dataLength);
|
||||
if (inboundRing->freeSpace()<=(dataLength+1)) {
|
||||
// This input would overflow the inbound ring, ignore it
|
||||
loopState=IPD_IGNORE_DATA;
|
||||
if (Diag::WIFI) DIAG(F("\nWifi OVERFLOW IGNORING:"));
|
||||
break;
|
||||
}
|
||||
inboundRing->mark(runningClientId);
|
||||
loopState=IPD_DATA;
|
||||
break;
|
||||
}
|
||||
@ -160,29 +188,27 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
break;
|
||||
|
||||
case IPD_DATA: // reading data
|
||||
clientStream[runningClientId]->write(ch); // NOTE: The MemStream will throw away bytes that do not fit in the buffer.
|
||||
// This protects against buffer overflows even with things as innocent
|
||||
// as a browser which send massive, irrlevent HTTP headers.
|
||||
inboundRing->write(ch);
|
||||
dataLength--;
|
||||
if (dataLength == 0) {
|
||||
clientStatus[runningClientId]=READY_TO_PROCESS;
|
||||
inboundRing->commit();
|
||||
loopState = ANYTHING;
|
||||
}
|
||||
break;
|
||||
|
||||
case IPD_IGNORE_DATA: // ignoring data that would not fit in inbound ring
|
||||
dataLength--;
|
||||
if (dataLength == 0) loopState = ANYTHING;
|
||||
break;
|
||||
|
||||
case GOT_CLIENT_ID: // got x before CLOSE or CONNECTED
|
||||
loopState=(ch==',') ? GOT_CLIENT_ID2: SKIPTOEND;
|
||||
break;
|
||||
|
||||
case GOT_CLIENT_ID2: // got "x," before CLOSE or CONNECTED
|
||||
loopState=(ch=='C') ? GOT_CLIENT_ID3: SKIPTOEND;
|
||||
break;
|
||||
|
||||
case GOT_CLIENT_ID3: // got "x C" before CLOSE or CONNECTED (which is ignored)
|
||||
if(ch=='L') {
|
||||
// CLOSE
|
||||
clientStatus[runningClientId]=UNUSED;
|
||||
if (runningClientId==clientPendingCIPSEND) clientPendingCIPSEND=-1;
|
||||
case GOT_CLIENT_ID2: // got "x,"
|
||||
if (ch=='C') {
|
||||
// got "x C" before CLOSE or CONNECTED, or CONNECT FAILED
|
||||
if (runningClientId==clientPendingCIPSEND) purgeCurrentCIPSEND();
|
||||
}
|
||||
loopState=SKIPTOEND;
|
||||
break;
|
||||
@ -195,24 +221,10 @@ WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
|
||||
return (loopState==ANYTHING) ? INBOUND_IDLE: INBOUND_BUSY;
|
||||
}
|
||||
|
||||
|
||||
void WifiInboundHandler::processCommand(byte clientId) {
|
||||
clientStatus[clientId]=PROCESSING;
|
||||
byte * buffer=clientBuffer[clientId];
|
||||
MemStream * streamer=clientStream[clientId];
|
||||
buffer[streamer->available()]='\0';
|
||||
|
||||
if (Diag::WIFI) DIAG(F("\n%l Wifi(%d)<-[%e]\n"), millis(),clientId, buffer);
|
||||
streamer->setBufferContentPosition(0, 0); // reset write position to start of buffer
|
||||
|
||||
clientCloseAfterReply[clientId]=CommandDistributor::parse(clientId,buffer,streamer);
|
||||
|
||||
if (streamer->available() == 0) {
|
||||
clientStatus[clientId]=UNUSED;
|
||||
}
|
||||
else {
|
||||
buffer[streamer->available()]='\0'; // mark end of buffer, so it can be used as a string later
|
||||
if (Diag::WIFI) DIAG(F("%l WiFi(%d)->[%e] l(%d)\n"), millis(), clientId, buffer, streamer->available());
|
||||
clientStatus[clientId]=REPLY_PENDING;
|
||||
}
|
||||
void WifiInboundHandler::purgeCurrentCIPSEND() {
|
||||
// A CIPSEND was sent but errored... or the client closed just toss it away
|
||||
if (Diag::WIFI) DIAG(F("Wifi: DROPPING CIPSEND=%d,%d\n"),clientPendingCIPSEND,currentReplySize);
|
||||
for (int i=0;i<=currentReplySize;i++) outboundRing->read();
|
||||
pendingCipsend=false;
|
||||
clientPendingCIPSEND=-1;
|
||||
}
|
||||
|
@ -1,8 +1,8 @@
|
||||
#ifndef WifiInboundHandler_h
|
||||
#define WifiInboundHandler_h
|
||||
|
||||
#include "MemStream.h"
|
||||
#include "DCCEXParser.h"
|
||||
#include "RingStream.h"
|
||||
#include "WiThrottle.h"
|
||||
#include "DIAG.h"
|
||||
|
||||
class WifiInboundHandler {
|
||||
@ -14,8 +14,6 @@ class WifiInboundHandler {
|
||||
|
||||
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()
|
||||
@ -35,38 +33,31 @@ class WifiInboundHandler {
|
||||
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
|
||||
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);
|
||||
void purgeCurrentCIPSEND();
|
||||
Stream * wifiStream;
|
||||
|
||||
DCCEXParser *parser;
|
||||
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
|
||||
byte * clientBuffer[MAX_CLIENTS];
|
||||
MemStream * clientStream[MAX_CLIENTS];
|
||||
CLIENT_STATUS clientStatus[MAX_CLIENTS];
|
||||
bool clientCloseAfterReply[MAX_CLIENTS];
|
||||
int clientPendingCIPSEND=-1;
|
||||
int currentReplySize;
|
||||
bool pendingCipsend;
|
||||
};
|
||||
#endif
|
||||
|
@ -22,7 +22,7 @@
|
||||
#include <avr/pgmspace.h>
|
||||
#include "DIAG.h"
|
||||
#include "StringFormatter.h"
|
||||
#include "WiThrottle.h"
|
||||
|
||||
#include "WifiInboundHandler.h"
|
||||
|
||||
const char PROGMEM READY_SEARCH[] = "\r\nready\r\n";
|
||||
@ -90,6 +90,11 @@ bool WifiInterface::setup(long serial_link_speed,
|
||||
}
|
||||
#endif
|
||||
|
||||
DCCEXParser::setAtCommandCallback(ATCommand);
|
||||
|
||||
// CAUTION... ONLY CALL THIS ONCE
|
||||
WifiInboundHandler::setup(wifiStream);
|
||||
|
||||
return wifiUp;
|
||||
}
|
||||
|
||||
@ -109,8 +114,6 @@ bool WifiInterface::setup(Stream & setupStream, const __FlashStringHelper* SSid
|
||||
checkForOK(200, OK_SEARCH, true);
|
||||
}
|
||||
|
||||
DCCEXParser::setAtCommandCallback(ATCommand);
|
||||
WifiInboundHandler::setup(wifiStream);
|
||||
|
||||
DIAG(F("\n++ Wifi Setup %S ++\n"), connected ? F("OK") : F("FAILED"));
|
||||
return connected;
|
||||
@ -297,7 +300,6 @@ bool WifiInterface::checkForOK( const unsigned int timeout, const char * waitfor
|
||||
|
||||
void WifiInterface::loop() {
|
||||
if (connected) {
|
||||
WiThrottle::loop();
|
||||
WifiInboundHandler::loop();
|
||||
}
|
||||
}
|
||||
|
@ -20,7 +20,6 @@
|
||||
#ifndef WifiInterface_h
|
||||
#define WifiInterface_h
|
||||
#include "DCCEXParser.h"
|
||||
#include "MemStream.h"
|
||||
#include <Arduino.h>
|
||||
#include <avr/pgmspace.h>
|
||||
|
||||
@ -50,8 +49,5 @@ private:
|
||||
static int datalength;
|
||||
static int connectionId;
|
||||
static unsigned long loopTimeoutStart;
|
||||
static const byte MAX_WIFI_BUFFER = 250;
|
||||
static byte buffer[MAX_WIFI_BUFFER + 1];
|
||||
static MemStream * streamer;
|
||||
};
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user