Warnings if unable to config interface

nRF24 · Jun 19, 2024 · 09ba198 · 09ba198
1 parent 21c5165
commit 09ba198
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Showing 3 changed files with 34 additions and 5 deletions.
diff --git a/RF24Gateway.cpp b/RF24Gateway.cpp
@@ -209,7 +209,12 @@ int ESBGateway<mesh_t, network_t, radio_t>::allocateTunDevice(char* dev, int fla
         // close(fd);
         //#if (RF24GATEWAY_DEBUG_LEVEL >= 1)
         std::cerr << "RF24Gw: Error: enabling TUNSETIFF" << std::endl;
-        std::cerr << "RF24Gw: If changing from TAP/TUN, run 'sudo ip link delete tun_nrf24' to remove the interface" << std::endl;
+        uint32_t UID = getuid();
+        if (UID) {
+            std::cout << "Not running as root, preconfigure the interface as follows, where 'pi' is your username" << std::endl;
+            std::cout << "sudo ip tuntap add dev tun_nrf24 mode tun user pi multi_queue" << std::endl;
+            std::cout << "sudo ifconfig tun_nrf24 10.10.2.2/24" << std::endl;
+        }
         return -1;
         //#endif
     }

diff --git a/examples/ncurses/RF24Gateway_ncurses.cpp b/examples/ncurses/RF24Gateway_ncurses.cpp
@@ -531,7 +531,8 @@ void drawCfg(bool isConf)
 
     sleep(1);
     wattron(win, COLOR_PAIR(1));
-    mvwprintw(win, 5, 1, isConf ? "IP Configuration\n" : "**Interface Not Configured:**\n");
+    mvwprintw(win, 4, 1, isConf ? "IP Configuration\n" : "**Interface Not Configured:**\n");
+    mvwprintw(win, 5, 1, "IP 10.10.2.2 and Subnet Mask 255.255.255.0 is default\n");
     wattroff(win, COLOR_PAIR(1));
     mvwprintw(win, 6, 1, "Enter IP Address: \n");
     refresh();
@@ -546,7 +547,18 @@ void drawCfg(bool isConf)
 
     if (strlen(ip) >= 6 && strlen(mask) >= 7)
     {
-        gw.setIP(ip, mask);
+        if(gw.setIP(ip, mask) < 0){
+          mvwprintw(win, 8, 1, "Unable to set IP/Subnet \n");
+          uint32_t UID = getuid();
+          if (UID) {
+            mvwprintw(win, 9, 1, "Not running as root, configure as follows, where 'pi' is your username:\n");
+            mvwprintw(win, 10, 1, "sudo ip tuntap add dev tun_nrf24 mode tun user pi multi_queue\n");
+            mvwprintw(win, 11, 1, "sudo ifconfig tun_nrf24 10.10.2.2/24\n");
+          }
+          refresh();
+          sleep(10);
+        }
+
     }
     else
     {

diff --git a/examples/ncursesInt/RF24Gateway_ncursesInt.cpp b/examples/ncursesInt/RF24Gateway_ncursesInt.cpp
@@ -559,7 +559,8 @@ void drawCfg(bool isConf)
 
     sleep(1);
     wattron(win, COLOR_PAIR(1));
-    mvwprintw(win, 5, 1, isConf ? "IP Configuration\n" : "**Interface Not Configured:**\n");
+    mvwprintw(win, 4, 1, isConf ? "IP Configuration\n" : "**Interface Not Configured:**\n");
+    mvwprintw(win, 5, 1, "IP 10.10.2.2 and Subnet Mask 255.255.255.0 is default\n");
     wattroff(win, COLOR_PAIR(1));
     mvwprintw(win, 6, 1, "Enter IP Address: \n");
     refresh();
@@ -574,7 +575,18 @@ void drawCfg(bool isConf)
 
     if (strlen(ip) >= 6 && strlen(mask) >= 7)
     {
-        gw.setIP(ip, mask);
+        if(gw.setIP(ip, mask) < 0){
+          mvwprintw(win, 8, 1, "Unable to set IP/Subnet \n");
+          uint32_t UID = getuid();
+          if (UID) {
+            mvwprintw(win, 9, 1, "Not running as root, configure as follows, where 'pi' is your username:\n");
+            mvwprintw(win, 10, 1, "sudo ip tuntap add dev tun_nrf24 mode tun user pi multi_queue\n");
+            mvwprintw(win, 11, 1, "sudo ifconfig tun_nrf24 10.10.2.2/24\n");
+          }
+          refresh();
+          sleep(10);
+        }
+
     }
     else
     {