Revert "DO NOT MERGE Revert "DO NOT MERGE Add DhcpStateMachine""
This reverts commit a3663884cafb1d7a2c76d7295be4c09253e0ab83.
diff --git a/core/java/android/net/NetworkUtils.java b/core/java/android/net/NetworkUtils.java
index b3f3988..823d10f 100644
--- a/core/java/android/net/NetworkUtils.java
+++ b/core/java/android/net/NetworkUtils.java
@@ -80,6 +80,16 @@
public native static boolean runDhcp(String interfaceName, DhcpInfoInternal ipInfo);
/**
+ * Initiate renewal on the Dhcp client daemon. This call blocks until it obtains
+ * a result (either success or failure) from the daemon.
+ * @param interfaceName the name of the interface to configure
+ * @param ipInfo if the request succeeds, this object is filled in with
+ * the IP address information.
+ * @return {@code true} for success, {@code false} for failure
+ */
+ public native static boolean runDhcpRenew(String interfaceName, DhcpInfoInternal ipInfo);
+
+ /**
* Shut down the DHCP client daemon.
* @param interfaceName the name of the interface for which the daemon
* should be stopped
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index 3adf770..4becad7 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -40,6 +40,16 @@
const char *dns2,
const char *server,
uint32_t *lease);
+
+int dhcp_do_request_renew(const char *ifname,
+ const char *ipaddr,
+ const char *gateway,
+ uint32_t *prefixLength,
+ const char *dns1,
+ const char *dns2,
+ const char *server,
+ uint32_t *lease);
+
int dhcp_stop(const char *ifname);
int dhcp_release_lease(const char *ifname);
char *dhcp_get_errmsg();
@@ -146,7 +156,8 @@
return (jint)result;
}
-static jboolean android_net_utils_runDhcp(JNIEnv* env, jobject clazz, jstring ifname, jobject info)
+static jboolean android_net_utils_runDhcpCommon(JNIEnv* env, jobject clazz, jstring ifname,
+ jobject info, bool renew)
{
int result;
char ipaddr[PROPERTY_VALUE_MAX];
@@ -160,8 +171,14 @@
const char *nameStr = env->GetStringUTFChars(ifname, NULL);
if (nameStr == NULL) return (jboolean)false;
- result = ::dhcp_do_request(nameStr, ipaddr, gateway, &prefixLength,
- dns1, dns2, server, &lease);
+ if (renew) {
+ result = ::dhcp_do_request_renew(nameStr, ipaddr, gateway, &prefixLength,
+ dns1, dns2, server, &lease);
+ } else {
+ result = ::dhcp_do_request(nameStr, ipaddr, gateway, &prefixLength,
+ dns1, dns2, server, &lease);
+ }
+
env->ReleaseStringUTFChars(ifname, nameStr);
if (result == 0 && dhcpInfoInternalFieldIds.dhcpInfoInternalClass != NULL) {
env->SetObjectField(info, dhcpInfoInternalFieldIds.ipaddress, env->NewStringUTF(ipaddr));
@@ -176,6 +193,17 @@
return (jboolean)(result == 0);
}
+static jboolean android_net_utils_runDhcp(JNIEnv* env, jobject clazz, jstring ifname, jobject info)
+{
+ return android_net_utils_runDhcpCommon(env, clazz, ifname, info, false);
+}
+
+static jboolean android_net_utils_runDhcpRenew(JNIEnv* env, jobject clazz, jstring ifname, jobject info)
+{
+ return android_net_utils_runDhcpCommon(env, clazz, ifname, info, true);
+}
+
+
static jboolean android_net_utils_stopDhcp(JNIEnv* env, jobject clazz, jstring ifname)
{
int result;
@@ -219,6 +247,7 @@
{ "removeDefaultRoute", "(Ljava/lang/String;)I", (void *)android_net_utils_removeDefaultRoute },
{ "resetConnections", "(Ljava/lang/String;)I", (void *)android_net_utils_resetConnections },
{ "runDhcp", "(Ljava/lang/String;Landroid/net/DhcpInfoInternal;)Z", (void *)android_net_utils_runDhcp },
+ { "runDhcpRenew", "(Ljava/lang/String;Landroid/net/DhcpInfoInternal;)Z", (void *)android_net_utils_runDhcpRenew },
{ "stopDhcp", "(Ljava/lang/String;)Z", (void *)android_net_utils_stopDhcp },
{ "releaseDhcpLease", "(Ljava/lang/String;)Z", (void *)android_net_utils_releaseDhcpLease },
{ "getDhcpError", "()Ljava/lang/String;", (void*) android_net_utils_getDhcpError },