intermediate: introduce an abstract channel

lib/channel/GwChannel.h

@@ -0,0 +1,75 @@
+#pragma once
+#include "GwChannelInterface.h"
+#include "GwConfigItem.h"
+#include "GwLog.h"
+#include "GWConfig.h"
+#include "GwCounter.h"
+#include "GwJsonDocument.h"
+#include <N2kMsg.h>
+#include <functional>
+
+class GwChannelMessageReceiver;
+class tActisenseReader;
+class GwChannel{
+    bool enabled=false;
+    bool NMEAout=false;
+    bool NMEAin=false;
+    GwNmeaFilter* readFilter=NULL;
+    GwNmeaFilter* writeFilter=NULL;
+    bool seaSmartOut=false;
+    bool toN2k=false;
+    bool readActisense=false;
+    bool writeActisense=false;
+    GwLog *logger;
+    String name;
+    GwCounter<String> *countIn=NULL;
+    GwCounter<String> *countOut=NULL;
+    GwChannelInterface *impl;
+    int sourceId=0;
+    GwChannelMessageReceiver *receiver=NULL;
+    tActisenseReader *actisenseReader=NULL;
+    Stream *channelStream=NULL;
+    void updateCounter(const char *msg, bool out);
+    public:
+    GwChannel(
+        GwLog *logger,
+        String name,
+        int sourceId);
+    void begin(
+        bool enabled,
+        bool nmeaOut,
+        bool nmeaIn,
+        String readFilter,
+        String writeFilter,
+        bool seaSmartOut,
+        bool toN2k,
+        bool readActisense=false,
+        bool writeActisense=false
+    );
+
+    void setImpl(GwChannelInterface *impl);
+
+    void enable(bool enabled){
+        this->enabled=enabled;
+    }
+    bool isEnabled(){return enabled;}
+    bool shouldRead(){return enabled && NMEAin;}
+    bool canSendOut(unsigned long pgn);
+    bool canReceive(unsigned long pgn);
+    bool canSendOut(const char *buffer);
+    bool canReceive(const char *buffer);
+    bool sendSeaSmart(){ return seaSmartOut;}
+    bool sendToN2K(){return toN2k;}
+    int getJsonSize();
+    void toJson(GwJsonDocument &doc);
+    String toString();
+
+    void loop(bool handleRead, bool handleWrite);
+    typedef std::function<void(const char *buffer, int sourceid)> NMEA0183Handler;
+    void readMessages(NMEA0183Handler handler);
+    void sendToClients(const char *buffer, int sourceId);
+    typedef std::function<void(const tN2kMsg &msg, int sourceId)> N2kHandler ;
+    void parseActisense(N2kHandler handler);
+    void sendActisense(const tN2kMsg &msg);
+};
+