| // Copyright 2021 gRPC authors. |
| // |
| // 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. |
| |
| #ifndef GRPC_CORE_EXT_TRANSPORT_BINDER_CLIENT_JNI_UTILS_H |
| #define GRPC_CORE_EXT_TRANSPORT_BINDER_CLIENT_JNI_UTILS_H |
| |
| #if defined(ANDROID) || defined(__ANDROID__) |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <jni.h> |
| |
| #include "absl/strings/string_view.h" |
| |
| namespace grpc_binder { |
| |
| // Finds NativeConnectionHelper Java class and caches it. This is useful because |
| // FindClass only works when there is a Java class in the call stack. Typically |
| // user might want to call this once in a place that is called from Java (ex. |
| // JNI_OnLoad) so subsequent BinderTransport code can find Java class |
| jclass FindNativeConnectionHelper(JNIEnv* env); |
| |
| jclass FindNativeConnectionHelper( |
| JNIEnv* env, std::function<void*(std::string)> class_finder); |
| |
| // Calls Java method NativeConnectionHelper.tryEstablishConnection |
| void TryEstablishConnection(JNIEnv* env, jobject application, |
| absl::string_view pkg, absl::string_view cls, |
| absl::string_view conn_id); |
| |
| } // namespace grpc_binder |
| |
| #endif |
| |
| #endif // GRPC_CORE_EXT_TRANSPORT_BINDER_CLIENT_JNI_UTILS_H |
