Android: Generate JNI code for androidnetworkmonitor_jni
Bug: webrtc:8278
Change-Id: I8447b2de5ec2610760f7112b6f86e54d94325322
Reviewed-on: https://webrtc-review.googlesource.com/24520
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20796}diff --git a/sdk/android/BUILD.gn b/sdk/android/BUILD.gn
index ea5b4b4..9daae54 100644
--- a/sdk/android/BUILD.gn
+++ b/sdk/android/BUILD.gn
@@ -269,6 +269,15 @@
}
}
+generate_jni("generated_peerconnection_jni") {
+ sources = [
+ "api/org/webrtc/NetworkMonitor.java",
+ "api/org/webrtc/NetworkMonitorAutoDetect.java",
+ ]
+ jni_package = ""
+ jni_generator_include = "//sdk/android/src/jni/jni_generator_helper.h"
+}
+
rtc_static_library("peerconnection_jni") {
sources = [
"src/jni/androidnetworkmonitor_jni.h",
@@ -328,6 +337,7 @@
deps = [
":base_jni",
+ ":generated_peerconnection_jni",
"../..:webrtc_common",
"../../api/video_codecs:video_codecs_api",
"../../media:rtc_data",
diff --git a/sdk/android/api/org/webrtc/NetworkMonitor.java b/sdk/android/api/org/webrtc/NetworkMonitor.java
index 29530da..ad070eb 100644
--- a/sdk/android/api/org/webrtc/NetworkMonitor.java
+++ b/sdk/android/api/org/webrtc/NetworkMonitor.java
@@ -63,6 +63,7 @@
/**
* Returns the singleton instance.
*/
+ @CalledByNative
public static NetworkMonitor getInstance() {
if (instance == null) {
instance = new NetworkMonitor();
@@ -77,12 +78,11 @@
}
/**
- * Called by the native code.
- *
* Enables auto detection of the current network state based on notifications
* from the system. Note that this requires the embedding app have the
* platform ACCESS_NETWORK_STATE permission.
*/
+ @CalledByNative
private void startMonitoring(long nativeObserver) {
Logging.d(TAG, "Start monitoring from native observer " + nativeObserver);
nativeNetworkObservers.add(nativeObserver);
@@ -96,7 +96,7 @@
updateObserverActiveNetworkList(nativeObserver);
}
- // Called by the native code.
+ @CalledByNative
private void stopMonitoring(long nativeObserver) {
Logging.d(TAG, "Stop monitoring from native observer " + nativeObserver);
nativeNetworkObservers.remove(nativeObserver);
@@ -106,13 +106,13 @@
}
}
- // Called by the native code to determine if network binding is supported
- // on this platform.
+ // Returns true if network binding is supported on this platform.
+ @CalledByNative
private boolean networkBindingSupported() {
return autoDetector != null && autoDetector.supportNetworkCallback();
}
- // Called by the native code to get the Android SDK version.
+ @CalledByNative
private static int androidSdkInt() {
return Build.VERSION.SDK_INT;
}
@@ -215,9 +215,16 @@
return connectionType != ConnectionType.CONNECTION_NONE;
}
+ @NativeClassQualifiedName("webrtc::jni::AndroidNetworkMonitor")
private native void nativeNotifyConnectionTypeChanged(long nativePtr);
+
+ @NativeClassQualifiedName("webrtc::jni::AndroidNetworkMonitor")
private native void nativeNotifyOfNetworkConnect(long nativePtr, NetworkInformation networkInfo);
+
+ @NativeClassQualifiedName("webrtc::jni::AndroidNetworkMonitor")
private native void nativeNotifyOfNetworkDisconnect(long nativePtr, long networkHandle);
+
+ @NativeClassQualifiedName("webrtc::jni::AndroidNetworkMonitor")
private native void nativeNotifyOfActiveNetworkList(
long nativePtr, NetworkInformation[] networkInfos);
diff --git a/sdk/android/api/org/webrtc/NetworkMonitorAutoDetect.java b/sdk/android/api/org/webrtc/NetworkMonitorAutoDetect.java
index 9cae2ef..86eb1c2 100644
--- a/sdk/android/api/org/webrtc/NetworkMonitorAutoDetect.java
+++ b/sdk/android/api/org/webrtc/NetworkMonitorAutoDetect.java
@@ -62,6 +62,11 @@
public IPAddress(byte[] address) {
this.address = address;
}
+
+ @CalledByNative("IPAddress")
+ private byte[] getAddress() {
+ return address;
+ }
}
/** Java version of NetworkMonitor.NetworkInformation */
@@ -77,6 +82,26 @@
this.handle = handle;
this.ipAddresses = addresses;
}
+
+ @CalledByNative("NetworkInformation")
+ private IPAddress[] getIpAddresses() {
+ return ipAddresses;
+ }
+
+ @CalledByNative("NetworkInformation")
+ private ConnectionType getConnectionType() {
+ return type;
+ }
+
+ @CalledByNative("NetworkInformation")
+ private long getHandle() {
+ return handle;
+ }
+
+ @CalledByNative("NetworkInformation")
+ private String getName() {
+ return name;
+ }
};
static class NetworkState {
diff --git a/sdk/android/src/jni/pc/androidnetworkmonitor_jni.cc b/sdk/android/src/jni/pc/androidnetworkmonitor_jni.cc
index ff1f4f6..5cac107 100644
--- a/sdk/android/src/jni/pc/androidnetworkmonitor_jni.cc
+++ b/sdk/android/src/jni/pc/androidnetworkmonitor_jni.cc
@@ -17,7 +17,8 @@
#include "rtc_base/bind.h"
#include "rtc_base/checks.h"
#include "rtc_base/ipaddress.h"
-#include "sdk/android/src/jni/classreferenceholder.h"
+#include "sdk/android/generated_peerconnection_jni/jni/NetworkMonitorAutoDetect_jni.h"
+#include "sdk/android/generated_peerconnection_jni/jni/NetworkMonitor_jni.h"
#include "sdk/android/src/jni/jni_helpers.h"
namespace webrtc {
@@ -28,8 +29,6 @@
SDK_VERSION_MARSHMALLOW = 23
};
-int AndroidNetworkMonitor::android_sdk_int_ = 0;
-
static NetworkType GetNetworkTypeFromJava(JNIEnv* jni, jobject j_network_type) {
std::string enum_name = GetJavaEnumName(jni, j_network_type);
if (enum_name == "CONNECTION_UNKNOWN") {
@@ -87,10 +86,7 @@
}
static rtc::IPAddress GetIPAddressFromJava(JNIEnv* jni, jobject j_ip_address) {
- jclass j_ip_address_class = GetObjectClass(jni, j_ip_address);
- jfieldID j_address_id = GetFieldID(jni, j_ip_address_class, "address", "[B");
- jbyteArray j_addresses =
- static_cast<jbyteArray>(GetObjectField(jni, j_ip_address, j_address_id));
+ jbyteArray j_addresses = Java_IPAddress_getAddress(jni, j_ip_address);
size_t address_length = jni->GetArrayLength(j_addresses);
jbyte* addr_array = jni->GetByteArrayElements(j_addresses, nullptr);
CHECK_EXCEPTION(jni) << "Error during GetIPAddressFromJava";
@@ -126,26 +122,15 @@
static NetworkInformation GetNetworkInformationFromJava(
JNIEnv* jni,
jobject j_network_info) {
- jclass j_network_info_class = GetObjectClass(jni, j_network_info);
- jfieldID j_interface_name_id =
- GetFieldID(jni, j_network_info_class, "name", "Ljava/lang/String;");
- jfieldID j_handle_id = GetFieldID(jni, j_network_info_class, "handle", "J");
- jfieldID j_type_id =
- GetFieldID(jni, j_network_info_class, "type",
- "Lorg/webrtc/NetworkMonitorAutoDetect$ConnectionType;");
- jfieldID j_ip_addresses_id =
- GetFieldID(jni, j_network_info_class, "ipAddresses",
- "[Lorg/webrtc/NetworkMonitorAutoDetect$IPAddress;");
-
NetworkInformation network_info;
network_info.interface_name = JavaToStdString(
- jni, GetStringField(jni, j_network_info, j_interface_name_id));
+ jni, Java_NetworkInformation_getName(jni, j_network_info));
network_info.handle = static_cast<NetworkHandle>(
- GetLongField(jni, j_network_info, j_handle_id));
+ Java_NetworkInformation_getHandle(jni, j_network_info));
network_info.type = GetNetworkTypeFromJava(
- jni, GetObjectField(jni, j_network_info, j_type_id));
- jobjectArray j_ip_addresses = static_cast<jobjectArray>(
- GetObjectField(jni, j_network_info, j_ip_addresses_id));
+ jni, Java_NetworkInformation_getConnectionType(jni, j_network_info));
+ jobjectArray j_ip_addresses =
+ Java_NetworkInformation_getIpAddresses(jni, j_network_info);
GetIPAddressesFromJava(jni, j_ip_addresses, &network_info.ip_addresses);
return network_info;
}
@@ -161,25 +146,9 @@
return ss.str();
}
-AndroidNetworkMonitor::AndroidNetworkMonitor()
- : j_network_monitor_class_(jni(),
- FindClass(jni(), "org/webrtc/NetworkMonitor")),
- j_network_monitor_(
- jni(),
- jni()->CallStaticObjectMethod(
- *j_network_monitor_class_,
- GetStaticMethodID(jni(),
- *j_network_monitor_class_,
- "getInstance",
- "()Lorg/webrtc/NetworkMonitor;"))) {
- CHECK_EXCEPTION(jni()) << "Error during NetworkMonitor.init";
- if (android_sdk_int_ <= 0) {
- jmethodID m = GetStaticMethodID(jni(), *j_network_monitor_class_,
- "androidSdkInt", "()I");
- android_sdk_int_ = jni()->CallStaticIntMethod(*j_network_monitor_class_, m);
- CHECK_EXCEPTION(jni()) << "Error during NetworkMonitor.androidSdkInt";
- }
-}
+AndroidNetworkMonitor::AndroidNetworkMonitor(JNIEnv* env)
+ : android_sdk_int_(Java_NetworkMonitor_androidSdkInt(env)),
+ j_network_monitor_(env, Java_NetworkMonitor_getInstance(env)) {}
void AndroidNetworkMonitor::Start() {
RTC_CHECK(thread_checker_.CalledOnValidThread());
@@ -193,10 +162,9 @@
// it creates sockets.
worker_thread()->socketserver()->set_network_binder(this);
- jmethodID m =
- GetMethodID(jni(), *j_network_monitor_class_, "startMonitoring", "(J)V");
- jni()->CallVoidMethod(*j_network_monitor_, m, jlongFromPointer(this));
- CHECK_EXCEPTION(jni()) << "Error during CallVoidMethod";
+ JNIEnv* env = AttachCurrentThreadIfNeeded();
+ Java_NetworkMonitor_startMonitoring(env, *j_network_monitor_,
+ jlongFromPointer(this));
}
void AndroidNetworkMonitor::Stop() {
@@ -212,10 +180,9 @@
worker_thread()->socketserver()->set_network_binder(nullptr);
}
- jmethodID m =
- GetMethodID(jni(), *j_network_monitor_class_, "stopMonitoring", "(J)V");
- jni()->CallVoidMethod(*j_network_monitor_, m, jlongFromPointer(this));
- CHECK_EXCEPTION(jni()) << "Error during NetworkMonitor.stopMonitoring";
+ JNIEnv* env = AttachCurrentThreadIfNeeded();
+ Java_NetworkMonitor_stopMonitoring(env, *j_network_monitor_,
+ jlongFromPointer(this));
network_handle_by_address_.clear();
network_info_by_handle_.clear();
@@ -228,14 +195,11 @@
const rtc::IPAddress& address) {
RTC_CHECK(thread_checker_.CalledOnValidThread());
- jmethodID network_binding_supported_id = GetMethodID(
- jni(), *j_network_monitor_class_, "networkBindingSupported", "()Z");
// Android prior to Lollipop didn't have support for binding sockets to
// networks. This may also occur if there is no connectivity manager service.
- bool network_binding_supported = jni()->CallBooleanMethod(
- *j_network_monitor_, network_binding_supported_id);
- CHECK_EXCEPTION(jni())
- << "Error during NetworkMonitor.networkBindingSupported";
+ JNIEnv* env = AttachCurrentThreadIfNeeded();
+ const bool network_binding_supported =
+ Java_NetworkMonitor_networkBindingSupported(env, *j_network_monitor_);
if (!network_binding_supported) {
RTC_LOG(LS_WARNING)
<< "BindSocketToNetwork is not supported on this platform "
@@ -387,60 +351,40 @@
rtc::NetworkMonitorInterface*
AndroidNetworkMonitorFactory::CreateNetworkMonitor() {
- return new AndroidNetworkMonitor();
+ return new AndroidNetworkMonitor(AttachCurrentThreadIfNeeded());
}
-JNI_FUNCTION_DECLARATION(void,
- NetworkMonitor_nativeNotifyConnectionTypeChanged,
- JNIEnv* jni,
- jobject j_monitor,
- jlong j_native_monitor) {
- rtc::NetworkMonitorInterface* network_monitor =
- reinterpret_cast<rtc::NetworkMonitorInterface*>(j_native_monitor);
- network_monitor->OnNetworksChanged();
+void AndroidNetworkMonitor::NotifyConnectionTypeChanged(JNIEnv* env,
+ jobject j_caller) {
+ OnNetworksChanged();
}
-JNI_FUNCTION_DECLARATION(void,
- NetworkMonitor_nativeNotifyOfActiveNetworkList,
- JNIEnv* jni,
- jobject j_monitor,
- jlong j_native_monitor,
- jobjectArray j_network_infos) {
- AndroidNetworkMonitor* network_monitor =
- reinterpret_cast<AndroidNetworkMonitor*>(j_native_monitor);
+void AndroidNetworkMonitor::NotifyOfActiveNetworkList(
+ JNIEnv* env,
+ jobject j_caller,
+ jobjectArray j_network_infos) {
std::vector<NetworkInformation> network_infos;
- size_t num_networks = jni->GetArrayLength(j_network_infos);
+ size_t num_networks = env->GetArrayLength(j_network_infos);
for (size_t i = 0; i < num_networks; ++i) {
- jobject j_network_info = jni->GetObjectArrayElement(j_network_infos, i);
- CHECK_EXCEPTION(jni) << "Error during GetObjectArrayElement";
- network_infos.push_back(GetNetworkInformationFromJava(jni, j_network_info));
+ jobject j_network_info = env->GetObjectArrayElement(j_network_infos, i);
+ CHECK_EXCEPTION(env) << "Error during GetObjectArrayElement";
+ network_infos.push_back(GetNetworkInformationFromJava(env, j_network_info));
}
- network_monitor->SetNetworkInfos(network_infos);
+ SetNetworkInfos(network_infos);
}
-JNI_FUNCTION_DECLARATION(void,
- NetworkMonitor_nativeNotifyOfNetworkConnect,
- JNIEnv* jni,
- jobject j_monitor,
- jlong j_native_monitor,
- jobject j_network_info) {
- AndroidNetworkMonitor* network_monitor =
- reinterpret_cast<AndroidNetworkMonitor*>(j_native_monitor);
+void AndroidNetworkMonitor::NotifyOfNetworkConnect(JNIEnv* env,
+ jobject j_caller,
+ jobject j_network_info) {
NetworkInformation network_info =
- GetNetworkInformationFromJava(jni, j_network_info);
- network_monitor->OnNetworkConnected(network_info);
+ GetNetworkInformationFromJava(env, j_network_info);
+ OnNetworkConnected(network_info);
}
-JNI_FUNCTION_DECLARATION(void,
- NetworkMonitor_nativeNotifyOfNetworkDisconnect,
- JNIEnv* jni,
- jobject j_monitor,
- jlong j_native_monitor,
- jlong network_handle) {
- AndroidNetworkMonitor* network_monitor =
- reinterpret_cast<AndroidNetworkMonitor*>(j_native_monitor);
- network_monitor->OnNetworkDisconnected(
- static_cast<NetworkHandle>(network_handle));
+void AndroidNetworkMonitor::NotifyOfNetworkDisconnect(JNIEnv* env,
+ jobject j_caller,
+ jlong network_handle) {
+ OnNetworkDisconnected(static_cast<NetworkHandle>(network_handle));
}
} // namespace jni
diff --git a/sdk/android/src/jni/pc/androidnetworkmonitor_jni.h b/sdk/android/src/jni/pc/androidnetworkmonitor_jni.h
index 70e3acd..cf8d50f 100644
--- a/sdk/android/src/jni/pc/androidnetworkmonitor_jni.h
+++ b/sdk/android/src/jni/pc/androidnetworkmonitor_jni.h
@@ -52,7 +52,7 @@
class AndroidNetworkMonitor : public rtc::NetworkMonitorBase,
public rtc::NetworkBinderInterface {
public:
- AndroidNetworkMonitor();
+ explicit AndroidNetworkMonitor(JNIEnv* env);
// TODO(sakal): Remove once down stream dependencies have been updated.
static void SetAndroidContext(JNIEnv* jni, jobject context) {}
@@ -69,15 +69,22 @@
// Always expected to be called on the network thread.
void SetNetworkInfos(const std::vector<NetworkInformation>& network_infos);
- private:
- static jobject application_context_;
- static int android_sdk_int_;
- JNIEnv* jni() { return AttachCurrentThreadIfNeeded(); }
+ void NotifyConnectionTypeChanged(JNIEnv* env, jobject j_caller);
+ void NotifyOfNetworkConnect(JNIEnv* env,
+ jobject j_caller,
+ jobject j_network_info);
+ void NotifyOfNetworkDisconnect(JNIEnv* env,
+ jobject j_caller,
+ jlong network_handle);
+ void NotifyOfActiveNetworkList(JNIEnv* env,
+ jobject j_caller,
+ jobjectArray j_network_infos);
+ private:
void OnNetworkConnected_w(const NetworkInformation& network_info);
void OnNetworkDisconnected_w(NetworkHandle network_handle);
- ScopedGlobalRef<jclass> j_network_monitor_class_;
+ const int android_sdk_int_;
ScopedGlobalRef<jobject> j_network_monitor_;
rtc::ThreadChecker thread_checker_;
bool started_ = false;
