[HICN-298] Release new hICN app for Android

Change-Id: I43adc62fadf00690b687078d739788dffdc5e566
Signed-off-by: Jordan Augé <jordan.auge+fdio@cisco.com>

1 files changed, 138 insertions, 0 deletions

diff --git a/ctrl/facemgr/src/interfaces/android_utility/android_utility.c b/ctrl/facemgr/src/interfaces/android_utility/android_utility.c
new file mode 100644
index 000000000..bb612507f
--- /dev/null
+++ b/ctrl/facemgr/src/interfaces/android_utility/android_utility.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * \file interfaces/android_utility/android_utility.c
+ * \brief Implementation of Android utility.
+ */
+
+#include <assert.h>
+
+#include <hicn/facemgr.h>
+#include <hicn/ctrl/face.h>
+#include <hicn/util/log.h>
+#include "../../common.h"
+#include "../../facelet.h"
+#include "../../interface.h"
+#include <hicn/android_utility/android_utility.h>
+
+#define FACEMGR_ANDROID_UTILITY_CLASS "com/cisco/hicn/forwarder/supportlibrary/AndroidUtility"
+
+#define AU_INTERFACE_TYPE_UNDEFINED 0
+#define AU_INTERFACE_TYPE_WIRED     1
+#define AU_INTERFACE_TYPE_WIFI      2
+#define AU_INTERFACE_TYPE_CELLULAR  3
+#define AU_INTERFACE_TYPE_LOOPBACK  4 /* not supported yet */
+
+#define ERR_STR_JAVA "Java VM parameters are required in the interface configuration."
+
+typedef struct {
+    android_utility_cfg_t cfg;
+} au_data_t;
+
+int au_initialize(interface_t * interface, void * cfg)
+{
+    au_data_t * data = malloc(sizeof(au_data_t));
+    if (!data)
+        return -1;
+    interface->data = data;
+
+    if (!cfg)
+        goto ERR_CFG;
+
+    data->cfg = * (android_utility_cfg_t *) cfg;
+
+    if (!data->cfg.jvm)
+        goto ERR_CFG;
+
+    return 0;
+
+ERR_CFG:
+        fprintf(stderr, ERR_STR_JAVA);
+        return -1;
+}
+
+int au_finalize(interface_t * interface)
+{
+    /* Nothing to do */
+    return 0;
+}
+
+int au_on_event(interface_t * interface, const facelet_t * facelet)
+{
+    /*
+     * This function is responsible to annotate every face we receive with the
+     * correct interface type, based on the value returned by the Android
+     * utility shipped with the Android forwarder.
+     */
+    DEBUG("Android utility received request");
+    au_data_t * data = (au_data_t*)interface->data;
+
+    netdevice_t netdevice = NETDEVICE_EMPTY;
+    int rc = facelet_get_netdevice(facelet, &netdevice);
+    if (rc < 0)
+        return -1;
+    DEBUG("[au_on_event] netdevice=%s", netdevice.name);
+
+    JNIEnv *env;
+    JavaVM *jvm = data->cfg.jvm;
+    (*jvm)->AttachCurrentThread(jvm, &env, NULL);
+    jclass cls = (*env)->FindClass(env, FACEMGR_ANDROID_UTILITY_CLASS);
+    jmethodID getNetworkType = (*env)->GetStaticMethodID(env, cls,
+            "getNetworkType", "(Ljava/lang/String;)I");
+    jint interface_type = (*env)->CallStaticIntMethod(env, cls, getNetworkType,
+            (*env)->NewStringUTF(env, netdevice.name));
+
+    DEBUG("Processing results for interface %s", netdevice.name);
+
+    netdevice_type_t netdevice_type = AU_INTERFACE_TYPE_UNDEFINED;
+    switch(interface_type) {
+        case AU_INTERFACE_TYPE_UNDEFINED:
+            break;
+        case AU_INTERFACE_TYPE_WIRED:
+            netdevice_type = NETDEVICE_TYPE_WIRED;
+            break;
+        case AU_INTERFACE_TYPE_WIFI:
+            netdevice_type = NETDEVICE_TYPE_WIFI;
+            break;
+        case AU_INTERFACE_TYPE_CELLULAR:
+            netdevice_type = NETDEVICE_TYPE_CELLULAR;
+            break;
+        case AU_INTERFACE_TYPE_LOOPBACK:
+            netdevice_type = NETDEVICE_TYPE_LOOPBACK;
+            break;
+        default:
+            return -1;
+    }
+
+    facelet_t * facelet_new = facelet_create();
+    facelet_set_netdevice(facelet_new, netdevice);
+    facelet_set_status(facelet_new, FACELET_STATUS_CLEAN);
+    facelet_set_netdevice_type(facelet_new, netdevice_type);
+
+    DEBUG("sending AU udpate");
+    facelet_set_event(facelet_new, FACELET_EVENT_UPDATE);
+    facelet_raise_event(facelet_new, interface);
+
+    return 0;
+}
+
+const interface_ops_t android_utility_ops = {
+    .type = "android_utility",
+    .initialize = au_initialize,
+    .finalize = au_finalize,
+    .callback = NULL,
+    .on_event = au_on_event,
+};