LineageOS/android_packages_modules_Connectivity
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wifi: Keep the WLAN network interface up whenever wifi is enabled.

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We now only bring it down briefly and bring it back up again when
we want to reset the interface.

Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood
2009-07-10 17:24:07 -04:00
parent b562ab9015
commit 1791998080
2 changed files with 15 additions and 0 deletions
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3
core/java/android/net/NetworkUtils.java
View File

@@ -25,6 +25,9 @@ import java.net.UnknownHostException;
* {@hide}
*/
public class NetworkUtils {
/** Bring the named network interface up. */
public native static int enableInterface(String interfaceName);
/** Bring the named network interface down. */
public native static int disableInterface(String interfaceName);

12
core/jni/android_net_NetUtils.cpp
View File

@@ -23,6 +23,7 @@
#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);
@@ -66,6 +67,16 @@ static struct fieldIds {
jfieldID leaseDuration;
} dhcpInfoFieldIds;
static jint android_net_utils_enableInterface(JNIEnv* env, jobject clazz, jstring ifname)
{
int result;
const char *nameStr = env->GetStringUTFChars(ifname, NULL);
result = ::ifc_enable(nameStr);
env->ReleaseStringUTFChars(ifname, nameStr);
return (jint)result;
}
static jint android_net_utils_disableInterface(JNIEnv* env, jobject clazz, jstring ifname)
{
int result;
@@ -209,6 +220,7 @@ static jboolean android_net_utils_configureInterface(JNIEnv* env,
static JNINativeMethod gNetworkUtilMethods[] = {
/* name, signature, funcPtr */
{ "enableInterface", "(Ljava/lang/String;)I", (void *)android_net_utils_enableInterface },
{ "disableInterface", "(Ljava/lang/String;)I", (void *)android_net_utils_disableInterface },
{ "addHostRoute", "(Ljava/lang/String;I)I", (void *)android_net_utils_addHostRoute },
{ "removeHostRoutes", "(Ljava/lang/String;)I", (void *)android_net_utils_removeHostRoutes },