From 5c5eaaeff08a2c148e01ea70450e701ae1180a7c Mon Sep 17 00:00:00 2001
From: "jihwan.seo" <jihwan.seo@samsung.com>
Date: Mon, 9 Nov 2015 20:55:17 +0900
Subject: [PATCH] Added to call unregister for Android IP

Change-Id: I7e6ae3220955ae0314ce03807530f5cdbb912166
Signed-off-by: jihwan.seo <jihwan.seo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/4095
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Naga Ashok Jampani <jn.ashok@samsung.com>
Reviewed-by: Jon A. Cruz <jonc@osg.samsung.com>
---
 .../main/java/org/iotivity/ca/CaIpInterface.java   |  4 ++
 .../main/java/org/iotivity/ca/CaIpInterface.java   |  4 ++
 .../src/ip_adapter/android/caipnwmonitor.c         | 80 +++++++++++++++++++++-
 3 files changed, 87 insertions(+), 1 deletion(-)

diff --git a/android/android_api/base/src/main/java/org/iotivity/ca/CaIpInterface.java b/android/android_api/base/src/main/java/org/iotivity/ca/CaIpInterface.java
index a011dfe..81ab7d5 100644
--- a/android/android_api/base/src/main/java/org/iotivity/ca/CaIpInterface.java
+++ b/android/android_api/base/src/main/java/org/iotivity/ca/CaIpInterface.java
@@ -66,6 +66,10 @@ public class CaIpInterface {
         mContext.registerReceiver(mReceiver, intentFilter);
     }
 
+    public static void destroyIpInterface() {
+        mContext.unregisterReceiver(mReceiver);
+    }
+
     private static BroadcastReceiver mReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
diff --git a/resource/csdk/connectivity/samples/android/casample/cAInterface/src/main/java/org/iotivity/ca/CaIpInterface.java b/resource/csdk/connectivity/samples/android/casample/cAInterface/src/main/java/org/iotivity/ca/CaIpInterface.java
index cbe0ec0..1b85af5 100755
--- a/resource/csdk/connectivity/samples/android/casample/cAInterface/src/main/java/org/iotivity/ca/CaIpInterface.java
+++ b/resource/csdk/connectivity/samples/android/casample/cAInterface/src/main/java/org/iotivity/ca/CaIpInterface.java
@@ -44,6 +44,10 @@ public class CaIpInterface {
         mContext.registerReceiver(mReceiver, intentFilter);
     }
 
+    public static void destroyIpInterface() {
+        mContext.unregisterReceiver(mReceiver);
+    }
+
     private static BroadcastReceiver mReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
diff --git a/resource/csdk/connectivity/src/ip_adapter/android/caipnwmonitor.c b/resource/csdk/connectivity/src/ip_adapter/android/caipnwmonitor.c
index 544f561..7df7585 100755
--- a/resource/csdk/connectivity/src/ip_adapter/android/caipnwmonitor.c
+++ b/resource/csdk/connectivity/src/ip_adapter/android/caipnwmonitor.c
@@ -46,6 +46,12 @@ static CAResult_t CAAddInterfaceItem(u_arraylist_t *iflist, int index,
 
 CAResult_t CAIPJniInit();
 
+/**
+ * destroy JNI interface.
+ * @return  ::CA_STATUS_OK or ERROR CODES (::CAResult_t error codes in cacommon.h).
+ */
+static CAResult_t CAIPDestroyJniInterface();
+
 #define MAX_INTERFACE_INFO_LENGTH 1024 // allows 32 interfaces from SIOCGIFCONF
 
 CAResult_t CAIPStartNetworkMonitor()
@@ -55,7 +61,7 @@ CAResult_t CAIPStartNetworkMonitor()
 
 CAResult_t CAIPStopNetworkMonitor()
 {
-    return CA_STATUS_OK;
+    return CAIPDestroyJniInterface();
 }
 
 int CAGetPollingInterval(int interval)
@@ -361,6 +367,78 @@ CAResult_t CAIPJniInit()
     return CA_STATUS_OK;
 }
 
+static CAResult_t CAIPDestroyJniInterface()
+{
+    OIC_LOG(DEBUG, TAG, "CAIPDestroyJniInterface");
+
+    JavaVM *jvm = CANativeJNIGetJavaVM();
+    if (!jvm)
+    {
+        OIC_LOG(ERROR, TAG, "Could not get JavaVM pointer");
+        return CA_STATUS_FAILED;
+    }
+
+    bool isAttached = false;
+    JNIEnv* env;
+    jint res = (*jvm)->GetEnv(jvm, (void**) &env, JNI_VERSION_1_6);
+    if (JNI_OK != res)
+    {
+        OIC_LOG(INFO, TAG, "Could not get JNIEnv pointer");
+        res = (*jvm)->AttachCurrentThread(jvm, &env, NULL);
+
+        if (JNI_OK != res)
+        {
+            OIC_LOG(ERROR, TAG, "AttachCurrentThread has failed");
+            return CA_STATUS_FAILED;
+        }
+        isAttached = true;
+    }
+
+    jclass jni_IpInterface = (*env)->FindClass(env, "org/iotivity/ca/CaIpInterface");
+    if (!jni_IpInterface)
+    {
+        OIC_LOG(ERROR, TAG, "Could not get CaIpInterface class");
+        goto error_exit;
+    }
+
+    jmethodID jni_InterfaceDestroyMethod = (*env)->GetStaticMethodID(env, jni_IpInterface,
+                                                                     "destroyIpInterface",
+                                                                     "()V");
+    if (!jni_InterfaceDestroyMethod)
+    {
+        OIC_LOG(ERROR, TAG, "Could not get CaIpInterface destroy method");
+        goto error_exit;
+    }
+
+    (*env)->CallStaticVoidMethod(env, jni_IpInterface, jni_InterfaceDestroyMethod);
+
+    if ((*env)->ExceptionCheck(env))
+    {
+        OIC_LOG(ERROR, TAG, "destroyIpInterface has failed");
+        (*env)->ExceptionDescribe(env);
+        (*env)->ExceptionClear(env);
+        goto error_exit;
+    }
+
+    OIC_LOG(DEBUG, TAG, "Destroy instance for CaIpInterface");
+
+    if (isAttached)
+    {
+        (*jvm)->DetachCurrentThread(jvm);
+    }
+
+    return CA_STATUS_OK;
+
+error_exit:
+
+    if (isAttached)
+    {
+        (*jvm)->DetachCurrentThread(jvm);
+    }
+
+    return CA_STATUS_FAILED;
+}
+
 JNIEXPORT void JNICALL
 Java_org_iotivity_ca_CaIpInterface_caIpStateEnabled(JNIEnv *env, jclass class)
 {
-- 
2.7.4