started work on TLV streaming with << operator

Goal - eliminate sendEncrypted() completely by using hapOut in tlvRepond().
Next up: use function call instead of << operator so logic can be moved into TLV.h

src/HAP.cpp

@@ -34,6 +34,33 @@
 
 //////////////////////////////////////
 
+std::ostream& operator<<(std::ostream& os, tlv8_t &tlv){
+
+  uint8_t *p=tlv.val.get();       // starting pointer
+  uint8_t *pend=p+tlv.len;        // ending pointer (may equal starting if len=0)
+
+  do{
+    uint8_t nBytes=(pend-p)>255?255:(pend-p);   // max is 255 bytes per TLV record
+    os.write((char *)&tlv.tag,1);
+    os.write((char *)&nBytes,1);
+    os.write((char *)p,nBytes);
+    p+=nBytes;
+  } while(p<pend);
+  
+  return(os);
+}
+
+//////////////////////////////////////
+
+std::ostream& operator<<(std::ostream& os, TLV8 &tlv){
+
+  for(auto it=tlv.begin();it!=tlv.end();it++)
+    os << (*it);  
+  return(os);
+}
+
+//////////////////////////////////////
+
 void HAPClient::init(){
 
   size_t len;                                   // not used but required to read blobs from NVS
@@ -1223,6 +1250,19 @@ void HAPClient::getStatusURL(HAPClient *hapClient, void (*callBack)(const char *
     hapOut << "</table>\n";
   }
 
+  HAPTLV tlv;
+
+  uint8_t x[400];
+  tlv.add(58);
+  memset(x,'A',400);
+  tlv.add(48,49,x);
+  memset(x,'B',400);
+  tlv.add(50,'B');
+  memset(x,'C',400);
+  tlv.add(52,256,x);
+
+  hapOut << tlv;
+  
   hapOut << "</body></html>\n";
   hapOut.flush();
 

src/HomeSpan.h

@@ -352,8 +352,7 @@ class Span{
   Span& setWifiCredentials(const char *ssid, const char *pwd);                           // sets WiFi Credentials
   Span& setStatusCallback(void (*f)(HS_STATUS status)){statusCallback=f;return(*this);}  // sets an optional user-defined function to call when HomeSpan status changes
   const char* statusString(HS_STATUS s);                                                 // returns char string for HomeSpan status change messages
-  
-  Span& setPairingCode(const char *s); // {sprintf(pairingCodeCommand,"S %9s",s);return(*this);}    // sets the Pairing Code - use is NOT recommended.  Use 'S' from CLI instead
+  Span& setPairingCode(const char *s);                                                   // sets the Pairing Code - use is NOT recommended.  Use 'S' from CLI instead
   void deleteStoredValues(){processSerialCommand("V");}                                  // deletes stored Characteristic values from NVS  
 
   int enableOTA(boolean auth=true, boolean safeLoad=true){return(spanOTA.init(auth, safeLoad, NULL));}   // enables Over-the-Air updates, with (auth=true) or without (auth=false) authorization password