Diff: LWIPInterface.cpp

Revision:

5:2c7d2186543c

Parent:

4:a7349bd7776c

Child:

8:cef01e812975

--- a/LWIPInterface.cpp	Mon Feb 29 23:01:54 2016 +0000
+++ b/LWIPInterface.cpp	Wed Mar 02 17:21:54 2016 +0000
@@ -31,9 +31,9 @@
 
 
 /* TCP/IP and Network Interface Initialisation */
-static LWIPInterface *iface = 0;
 static struct netif netif;
 
+static char ip_addr[NS_IP_SIZE] = "\0";
 static char mac_addr[NS_MAC_SIZE] = "\0";
 
 static Semaphore tcpip_inited(0);
@@ -52,9 +52,7 @@
 
 static void netif_status_callback(struct netif *netif) {
     if (netif_is_up(netif)) {
-        iface->setIPAddress  (inet_ntoa(netif->ip_addr));
-        iface->setNetworkMask(inet_ntoa(netif->netmask));
-        iface->setGateway    (inet_ntoa(netif->gw));
+        strcpy(ip_addr, inet_ntoa(netif->ip_addr));
         netif_up.release();
     }
 }
@@ -86,44 +84,19 @@
 // LWIPInterface implementation
 int32_t LWIPInterface::connect()
 {
-    // Only one instance of LWIP is currently supported
-    if (iface) {
-        return NS_ERROR_DEVICE_ERROR;
-    }
-
-    iface = this;
-
     // Set up network
     set_mac_address();
-
-    if (getDHCP()) {
-        init_netif(0, 0, 0);
-    } else {
-        ip_addr_t ip_n, mask_n, gateway_n;
-        inet_aton(getIPAddress(), &ip_n);
-        inet_aton(getNetworkMask(), &mask_n);
-        inet_aton(getGateway(), &gateway_n);
-        init_netif(&ip_n, &mask_n, &gateway_n);
-    }
+    init_netif(0, 0, 0);
 
     // Connect to network
     eth_arch_enable_interrupts();
 
-    if (getDHCP()) {
-        dhcp_start(&netif);
+    dhcp_start(&netif);
         
-        // Wait for an IP Address
-        // -1: error, 0: timeout
-        if (netif_up.wait(LWIP_TIMEOUT) < 0) {
-            return NS_ERROR_TIMEOUT;
-        }
-    } else {
-        netif_set_up(&netif);
-        
-        // Wait for the link up
-        if (netif_linked.wait(LWIP_TIMEOUT) < 0) {
-            return NS_ERROR_TIMEOUT;
-        }
+    // Wait for an IP Address
+    // -1: error, 0: timeout
+    if (netif_up.wait(LWIP_TIMEOUT) < 0) {
+        return NS_ERROR_TIMEOUT;
     }
 
     return 0;
@@ -131,18 +104,19 @@
 
 int32_t LWIPInterface::disconnect()
 {
-    if (getDHCP()) {
-        dhcp_release(&netif);
-        dhcp_stop(&netif);
-    } else {
-        netif_set_down(&netif);
-    }
+    dhcp_release(&netif);
+    dhcp_stop(&netif);
     
     eth_arch_disable_interrupts();
     
     return 0;
 }
 
+const char *LWIPInterface::getIPAddress()
+{
+    return ip_addr;
+}
+
 const char *LWIPInterface::getMACAddress() 
 {
     return mac_addr;