added eth1 link status to getDate

pilc2_functions/pilc2_network.c

@@ -477,7 +477,7 @@ void PiLC2InitIOCards(void) {
 int GetDate(zmq_data *zmq_data_struct) {
 	
 	unsigned int *buffer;
-	buffer = (unsigned int *)malloc(6*sizeof(int));
+	buffer = (unsigned int *)malloc(7*sizeof(int));
 	
 	time_t rawtime = time(NULL);
 
@@ -489,11 +489,26 @@ int GetDate(zmq_data *zmq_data_struct) {
 	buffer[3] = ptm->tm_hour;
 	buffer[4] = ptm->tm_min;
 	buffer[5] = ptm->tm_sec;
+	buffer[6] = CheckLink();;
 	//printf("%i \n", buffer[1]);
 
 
-	zmq_send (zmq_data_struct->socket, buffer, 42, 0);
+	zmq_send (zmq_data_struct->socket, buffer, 46, 0);
 	free(buffer);
 	
 	return 0;
 }
+
+int CheckLink(void) {
+    char *ifname ="eth1";
+
+    int socId = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+
+    struct ifreq if_req;
+    (void) strncpy(if_req.ifr_name, ifname, sizeof(if_req.ifr_name));
+    ioctl(socId, SIOCGIFFLAGS, &if_req);
+    close(socId);
+
+
+    return (if_req.ifr_flags & IFF_UP) && (if_req.ifr_flags & IFF_RUNNING);
+}

pilc2_functions/pilc2_network.h

@@ -45,7 +45,7 @@ int PiLC2GetIOCards(zmq_data *zmq_data_struct);
 int getPiLCinet(zmq_data *zmq_data_struct);
 int GetDate(zmq_data *zmq_data_struct);
 void PiLC2InitIOCards(void);
-
+int CheckLink(void);
 void *context;
 void *client_responder;
 void *gui_responder;