emulation on host: missing mock functions, improve host interface handling (#7404)

tests/host/common/MockEsp.cpp

@@ -108,6 +108,11 @@ uint32_t EspClass::getFreeHeap()
 	return 30000;
 }
 
+uint16_t EspClass::getMaxFreeBlockSize()
+{
+	return 20000;
+}
+
 String EspClass::getResetReason()
 {
   return "Power on";

tests/host/common/MockWiFiServerSocket.cpp

@@ -145,3 +145,8 @@ void WiFiServer::close ()
 		::close(pcb2int(_listen_pcb));
 	_listen_pcb = int2pcb(-1);
 }
+
+void WiFiServer::stop ()
+{
+    close();
+}

tests/host/common/user_interface.cpp

@@ -135,10 +135,9 @@ bool wifi_get_ip_info (uint8 if_index, struct ip_info *info)
             perror("getifaddrs");
             exit(EXIT_FAILURE);
         }
+
         if (host_interface)
             mockverbose("host: looking for interface '%s':\n", host_interface);
-	else
-	    mockverbose("host: looking the first for non-local IPv4 interface:\n");
         for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next)
         {
             mockverbose("host: interface: %s", ifa->ifa_name);
@@ -159,6 +158,7 @@ bool wifi_get_ip_info (uint8 if_index, struct ip_info *info)
                         ipv4 = *(uint32_t*) & ((struct sockaddr_in*)ifa->ifa_addr)->sin_addr;
                         mask = *(uint32_t*) & ((struct sockaddr_in*)ifa->ifa_netmask)->sin_addr;
                         mockverbose(" (selected)\n");
+                        if (host_interface)
                             global_source_address = ntohl(ipv4);
                         break;
                     }
@@ -166,6 +166,7 @@ bool wifi_get_ip_info (uint8 if_index, struct ip_info *info)
             }
             mockverbose("\n");
         }
+
         if (ifAddrStruct != NULL)
             freeifaddrs(ifAddrStruct);
 

tests/restyle.sh

@@ -8,23 +8,35 @@ pwd
 test -d cores/esp8266
 test -d libraries
 
-#all="cores/esp8266 libraries"
+# should be: all="cores/esp8266 libraries"
+
 all="
 libraries/ESP8266mDNS
 libraries/Wire
 cores/esp8266/core_esp8266_si2c.cpp
 "
 
+# core
+
 for d in $all; do
+    if [ -d "$d" ]; then
+        echo "-------- directory $d:"
         for e in c cpp h; do
             find $d -name "*.$e" -exec \
                 astyle \
                     --suffix=none \
                     --options=${org}/astyle_core.conf {} \;
         done
+    else
+        echo "-------- file $d:"
+        astyle --suffix=none --options=${org}/astyle_core.conf "$d"
+    fi
 done
 
+# examples
+
 for d in libraries; do
+    echo "-------- examples in $d:"
     find $d -name "*.ino" -exec \
         astyle \
             --suffix=none \