47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <android/file_descriptor_jni.h>
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#include <android/multinetwork.h>
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#include <nativehelper/JNIHelp.h>
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namespace android {
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static jint tagSocketFd(JNIEnv* env, jclass, jobject fileDescriptor, jint tag, jint uid) {
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int fd = AFileDescriptor_getFd(env, fileDescriptor);
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if (fd == -1) return -EBADF;
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return android_tag_socket_with_uid(fd, tag, uid);
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}
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static jint untagSocketFd(JNIEnv* env, jclass, jobject fileDescriptor) {
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int fd = AFileDescriptor_getFd(env, fileDescriptor);
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if (fd == -1) return -EBADF;
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return android_untag_socket(fd);
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}
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static const JNINativeMethod gMethods[] = {
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/* name, signature, funcPtr */
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{ "native_tagSocketFd", "(Ljava/io/FileDescriptor;II)I", (void*) tagSocketFd },
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{ "native_untagSocketFd", "(Ljava/io/FileDescriptor;)I", (void*) untagSocketFd },
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};
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int register_android_net_TrafficStats(JNIEnv* env) {
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return jniRegisterNativeMethods(env, "android/net/TrafficStats", gMethods, NELEM(gMethods));
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}
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}; // namespace android
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