mdns: bump up the component version

Earlier commit 48c157bc46 had typo
regarding variable name. This was not caught in CI because IPV6
was not really getting disabled due to an indirect dependency
of `CONFIG_EXAMPLE_CONNECT_IPV6`.

This commit fixes both the problems.

.github/workflows/target-test.yml

@@ -65,6 +65,9 @@ jobs:
           rm sdkconfig.defaults 
           cat sdkconfig.ci.eth_socket >> sdkconfig.defaults 
           idf.py build 
+          rm sdkconfig.defaults
+          cat sdkconfig.ci.eth_no_ipv6 >> sdkconfig.defaults
+          idf.py build
           cd $GITHUB_WORKSPACE/esp-protocols/components/mdns/tests/test_apps/ 
           idf.py set-target ${{ matrix.idf_target }}  
           idf.py build 

components/esp_modem/idf_component.yml

@@ -1,4 +1,4 @@
-version: "0.1.20"
+version: "0.1.19"
 description: esp modem
 url: https://github.com/espressif/esp-protocols/tree/master/components/esp_modem
 dependencies:

components/esp_modem/include/cxx_include/esp_modem_dte.hpp

@@ -75,12 +75,6 @@ public:
      */
     void set_read_cb(std::function<bool(uint8_t *data, size_t len)> f);
 
-    /**
-     * @brief Sets DTE error callback
-     * @param f Function to be called on DTE error
-     */
-    void set_error_cb(std::function<void(terminal_error err)> f);
-
     /**
      * @brief Sets the DTE to desired mode (Command/Data/Cmux)
      * @param m Desired operation mode

components/esp_modem/include/cxx_include/esp_modem_terminal.hpp

@@ -41,7 +41,6 @@ enum class terminal_error {
     BUFFER_OVERFLOW,
     CHECKSUM_ERROR,
     UNEXPECTED_CONTROL_FLOW,
-    DEVICE_GONE,
 };
 
 /**

components/esp_modem/src/esp_modem_dte.cpp

@@ -155,12 +155,6 @@ void DTE::set_read_cb(std::function<bool(uint8_t *, size_t)> f)
     });
 }
 
-void DTE::set_error_cb(std::function<void(terminal_error err)> f)
-{
-    data_term->set_error_cb(f);
-    command_term->set_error_cb(f);
-}
-
 int DTE::read(uint8_t **d, size_t len)
 {
     auto data_to_read = std::min(len, buffer.size);

components/mdns/examples/main/mdns_example_main.c

@@ -332,10 +332,15 @@ static void  query_mdns_host_with_getaddrinfo(char * host)
 
     if (!getaddrinfo(host, NULL, &hints, &res)) {
         while (res) {
-            ESP_LOGI(TAG, "getaddrinfo: %s resolved to: %s", host,
-                     res->ai_family == AF_INET?
-                     inet_ntoa(((struct sockaddr_in *) res->ai_addr)->sin_addr):
-                     inet_ntoa(((struct sockaddr_in6 *) res->ai_addr)->sin6_addr));
+            char *resolved_addr;
+#if CONFIG_LWIP_IPV6
+            resolved_addr = res->ai_family == AF_INET ?
+                inet_ntoa(((struct sockaddr_in *) res->ai_addr)->sin_addr) :
+                inet_ntoa(((struct sockaddr_in6 *) res->ai_addr)->sin6_addr);
+#else
+            resolved_addr = inet_ntoa(((struct sockaddr_in *) res->ai_addr)->sin_addr);
+#endif // CONFIG_LWIP_IPV6
+            ESP_LOGI(TAG, "getaddrinfo: %s resolved to: %s", host, resolved_addr);
             res = res->ai_next;
         }
     }

components/mdns/examples/sdkconfig.ci.eth_no_ipv6

@@ -0,0 +1,16 @@
+CONFIG_IDF_TARGET="esp32"
+CONFIG_MDNS_RESOLVE_TEST_SERVICES=y
+CONFIG_MDNS_ADD_MAC_TO_HOSTNAME=y
+CONFIG_MDNS_PUBLISH_DELEGATE_HOST=y
+CONFIG_LWIP_DNS_SUPPORT_MDNS_QUERIES=y
+CONFIG_LWIP_IPV6=n
+CONFIG_EXAMPLE_CONNECT_IPV6=n
+CONFIG_EXAMPLE_CONNECT_ETHERNET=y
+CONFIG_EXAMPLE_CONNECT_WIFI=n
+CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET=y
+CONFIG_EXAMPLE_ETH_PHY_IP101=y
+CONFIG_EXAMPLE_ETH_MDC_GPIO=23
+CONFIG_EXAMPLE_ETH_MDIO_GPIO=18
+CONFIG_EXAMPLE_ETH_PHY_RST_GPIO=5
+CONFIG_EXAMPLE_ETH_PHY_ADDR=1
+CONFIG_MDNS_BUTTON_GPIO=32

components/mdns/idf_component.yml

@@ -1,4 +1,4 @@
-version: "1.0.5"
+version: "1.0.7"
 description: mDNS
 dependencies:
   idf:

components/mdns/mdns_networking_lwip.c

@@ -339,8 +339,12 @@ size_t _mdns_udp_pcb_write(mdns_if_t tcpip_if, mdns_ip_protocol_t ip_protocol, c
     memcpy((uint8_t *)pbt->payload, data, len);
 
     ip_addr_t ip_add_copy;
+#if CONFIG_LWIP_IPV6
     ip_add_copy.type = ip->type;
-    memcpy(&(ip_add_copy.u_addr),&(ip->u_addr),sizeof(ip_add_copy.u_addr));
+    memcpy(&(ip_add_copy.u_addr), &(ip->u_addr), sizeof(ip_add_copy.u_addr));
+#else
+    memcpy(&(ip_add_copy.addr), &(ip->u_addr), sizeof(ip_add_copy.addr));
+#endif // CONFIG_LWIP_IPV6
 
     mdns_api_call_t msg = {
         .tcpip_if = tcpip_if,