mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-23 16:16:13 +01:00
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
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/*
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* © 2020, Gregor Baues. All rights reserved.
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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 TransportProcessor_h
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#define TransportProcessor_h
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#include <Arduino.h>
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#include <Ethernet.h>
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#include <WiFiEspAT.h>
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#define MAX_ETH_BUFFER 64 // maximum length we read in one go from a TCP packet. Anything longer in one go send to the Arduino may result in unpredictable behaviour.
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// idealy the windowsize should be set accordingly so that the sender knows to produce only max 250 size packets.
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#define MAX_OVERFLOW MAX_ETH_BUFFER/2 // length of the overflow buffer to be used for a given connection.
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#define MAX_JMRI_CMD 32 // MAX Length of a JMRI Command
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typedef enum {
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DCCEX, // if char[0] = < opening bracket the client should be a JMRI / DCC EX client_h
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WITHROTTLE, //
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HTTP, // If char[0] = G || P || D; if P then char [1] = U || O || A
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N_DIAG, // '#' send form a telnet client as FIRST message will then reroute all DIAG messages to that client whilst being able to send jmri type commands
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UNKNOWN_PROTOCOL
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} appProtocol;
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struct Connection;
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using appProtocolCallback = void(*)(Connection* c);
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struct Connection {
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uint8_t id;
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Client* client;
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char overflow[MAX_OVERFLOW];
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appProtocol p;
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char delimiter = '\0';
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bool isProtocolDefined = false;
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appProtocolCallback appProtocolHandler;
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};
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class TransportProcessor
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{
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public:
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void readStream(Connection *c); // reads incomming packets and hands over to the commandHandle for taking the stream apart for commands
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TransportProcessor(){};
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~TransportProcessor(){};
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};
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#endif // !Transport_h
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