- updates NetUtils to use new libnetutils headers

- updates WifiStateTracker to track net.XXX.dnsX properties for name servers
- removes dhcp from WifiNative (use NetworkUtils instead)

Change-Id: Ic69ff253e8784cad34e9291e7970ee38bfa235b9

core/jni/android_net_NetUtils.cpp

@@ -22,29 +22,8 @@
 #include <utils/Log.h>
 #include <arpa/inet.h>
 
-extern "C" {
-int ifc_enable(const char *ifname);
-int ifc_disable(const char *ifname);
-int ifc_add_host_route(const char *ifname, uint32_t addr);
-int ifc_remove_host_routes(const char *ifname);
-int ifc_set_default_route(const char *ifname, uint32_t gateway);
-int ifc_get_default_route(const char *ifname);
-int ifc_remove_default_route(const char *ifname);
-int ifc_reset_connections(const char *ifname);
-int ifc_configure(const char *ifname, in_addr_t ipaddr, in_addr_t netmask, in_addr_t gateway, in_addr_t dns1, in_addr_t dns2);
-
-int dhcp_do_request(const char *ifname,
-                    in_addr_t *ipaddr,
-                    in_addr_t *gateway,
-                    in_addr_t *mask,
-                    in_addr_t *dns1,
-                    in_addr_t *dns2,
-                    in_addr_t *server,
-                    uint32_t  *lease);
-int dhcp_stop(const char *ifname);
-int dhcp_release_lease(const char *ifname);
-char *dhcp_get_errmsg();
-}
+#include <netutils/ifc.h>
+#include <netutils/dhcp.h>
 
 #define NETUTILS_PKG_NAME "android/net/NetworkUtils"
 

core/jni/android_net_wifi_Wifi.cpp

@@ -29,23 +29,6 @@ namespace android {
 
 static jboolean sScanModeActive = false;
 
-/*
- * The following remembers the jfieldID's of the fields
- * of the DhcpInfo Java object, so that we don't have
- * to look them up every time.
- */
-static struct fieldIds {
-    jclass dhcpInfoClass;
-    jmethodID constructorId;
-    jfieldID ipaddress;
-    jfieldID gateway;
-    jfieldID netmask;
-    jfieldID dns1;
-    jfieldID dns2;
-    jfieldID serverAddress;
-    jfieldID leaseDuration;
-} dhcpInfoFieldIds;
-
 static int doCommand(const char *cmd, char *replybuf, int replybuflen)
 {
     size_t reply_len = replybuflen - 1;
@@ -491,28 +474,6 @@ static jboolean android_net_wifi_clearBlacklistCommand(JNIEnv* env, jobject claz
     return doBooleanCommand("BLACKLIST clear", "OK");
 }
 
-static jboolean android_net_wifi_doDhcpRequest(JNIEnv* env, jobject clazz, jobject info)
-{
-    jint ipaddr, gateway, mask, dns1, dns2, server, lease;
-    jboolean succeeded = ((jboolean)::do_dhcp_request(&ipaddr, &gateway, &mask,
-                                        &dns1, &dns2, &server, &lease) == 0);
-    if (succeeded && dhcpInfoFieldIds.dhcpInfoClass != NULL) {
-        env->SetIntField(info, dhcpInfoFieldIds.ipaddress, ipaddr);
-        env->SetIntField(info, dhcpInfoFieldIds.gateway, gateway);
-        env->SetIntField(info, dhcpInfoFieldIds.netmask, mask);
-        env->SetIntField(info, dhcpInfoFieldIds.dns1, dns1);
-        env->SetIntField(info, dhcpInfoFieldIds.dns2, dns2);
-        env->SetIntField(info, dhcpInfoFieldIds.serverAddress, server);
-        env->SetIntField(info, dhcpInfoFieldIds.leaseDuration, lease);
-    }
-    return succeeded;
-}
-
-static jstring android_net_wifi_getDhcpError(JNIEnv* env, jobject clazz)
-{
-    return env->NewStringUTF(::get_dhcp_error_string());
-}
-
 // ----------------------------------------------------------------------------
 
 /*
@@ -569,9 +530,6 @@ static JNINativeMethod gWifiMethods[] = {
     { "setScanResultHandlingCommand", "(I)Z", (void*) android_net_wifi_setScanResultHandlingCommand },
     { "addToBlacklistCommand", "(Ljava/lang/String;)Z", (void*) android_net_wifi_addToBlacklistCommand },
     { "clearBlacklistCommand", "()Z", (void*) android_net_wifi_clearBlacklistCommand },
-
-    { "doDhcpRequest", "(Landroid/net/DhcpInfo;)Z", (void*) android_net_wifi_doDhcpRequest },
-    { "getDhcpError", "()Ljava/lang/String;", (void*) android_net_wifi_getDhcpError },
 };
 
 int register_android_net_wifi_WifiManager(JNIEnv* env)
@@ -579,18 +537,6 @@ int register_android_net_wifi_WifiManager(JNIEnv* env)
     jclass wifi = env->FindClass(WIFI_PKG_NAME);
     LOG_FATAL_IF(wifi == NULL, "Unable to find class " WIFI_PKG_NAME);
 
-    dhcpInfoFieldIds.dhcpInfoClass = env->FindClass("android/net/DhcpInfo");
-    if (dhcpInfoFieldIds.dhcpInfoClass != NULL) {
-        dhcpInfoFieldIds.constructorId = env->GetMethodID(dhcpInfoFieldIds.dhcpInfoClass, "<init>", "()V");
-        dhcpInfoFieldIds.ipaddress = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "ipAddress", "I");
-        dhcpInfoFieldIds.gateway = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "gateway", "I");
-        dhcpInfoFieldIds.netmask = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "netmask", "I");
-        dhcpInfoFieldIds.dns1 = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "dns1", "I");
-        dhcpInfoFieldIds.dns2 = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "dns2", "I");
-        dhcpInfoFieldIds.serverAddress = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "serverAddress", "I");
-        dhcpInfoFieldIds.leaseDuration = env->GetFieldID(dhcpInfoFieldIds.dhcpInfoClass, "leaseDuration", "I");
-    }
-
     return AndroidRuntime::registerNativeMethods(env,
             WIFI_PKG_NAME, gWifiMethods, NELEM(gWifiMethods));
 }

wifi/java/android/net/wifi/WifiNative.java

@@ -16,8 +16,6 @@
 
 package android.net.wifi;
 
-import android.net.DhcpInfo;
-
 /**
  * Native calls for sending requests to the supplicant daemon, and for
  * receiving asynchronous events. All methods of the form "xxxxCommand()"
@@ -142,10 +140,6 @@ public class WifiNative {
 
     public native static boolean clearBlacklistCommand();
 
-    public native static boolean doDhcpRequest(DhcpInfo results);
-
-    public native static String getDhcpError();
-
     /**
      * Wait for the supplicant to send an event, returning the event string.
      * @return the event string sent by the supplicant.

wifi/java/android/net/wifi/WifiStateTracker.java

@@ -295,8 +295,6 @@ public class WifiStateTracker extends NetworkStateTracker {
 
     private Runnable mReleaseWakeLockCallback;
 
-    private static String[] sDnsPropNames;
-
     /**
      * A structure for supplying information about a supplicant state
      * change in the STATE_CHANGE event message that comes from the
@@ -351,9 +349,9 @@ public class WifiStateTracker extends NetworkStateTracker {
         mSettingsObserver = new SettingsObserver(new Handler());
 
         mInterfaceName = SystemProperties.get("wifi.interface", "tiwlan0");
-        sDnsPropNames = new String[] {
-            "dhcp." + mInterfaceName + ".dns1",
-            "dhcp." + mInterfaceName + ".dns2"
+        mDnsPropNames = new String[] {
+            "net." + mInterfaceName + ".dns1",
+            "net." + mInterfaceName + ".dns2"
         };
         mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService("batteryinfo"));
 
@@ -397,15 +395,6 @@ public class WifiStateTracker extends NetworkStateTracker {
         updateNetworkInfo();
     }
 
-    /**
-     * Return the IP addresses of the DNS servers available for the WLAN
-     * network interface.
-     * @return a list of DNS addresses, with no holes.
-     */
-    public String[] getNameServers() {
-        return getNameServerList(sDnsPropNames);
-    }
-
     /**
      * Return the name of our WLAN network interface.
      * @return the name of our interface.