1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_ANDROID_INTERNAL_STATSD_H_ 18 #define SRC_ANDROID_INTERNAL_STATSD_H_ 19 20 #include <stddef.h> 21 #include <stdint.h> 22 23 // This header declares proxy functions defined in 24 // libperfetto_android_internal.so that access internal android functions (e.g. 25 // hwbinder). 26 // Do not add any include to either perfetto headers or android headers. See 27 // README.md for more. 28 29 namespace perfetto { 30 namespace android_internal { 31 32 extern "C" { 33 34 // These functions are not thread safe unless specified otherwise. 35 36 const uint32_t kAtomCallbackReasonStatsdInitiated = 1; 37 const uint32_t kAtomCallbackReasonFlushRequested = 2; 38 const uint32_t kAtomCallbackReasonSubscriptionEnded = 3; 39 40 typedef void (*AtomCallback)(int32_t subscription_id, 41 uint32_t reason, 42 uint8_t* payload, 43 size_t num_bytes, 44 void* cookie); 45 46 int32_t __attribute__((visibility("default"))) 47 AddAtomSubscription(const uint8_t* subscription_config, 48 size_t num_bytes, 49 AtomCallback callback, 50 void* cookie); 51 52 void __attribute__((visibility("default"))) 53 RemoveAtomSubscription(int32_t subscription_id); 54 55 void __attribute__((visibility("default"))) 56 FlushAtomSubscription(int32_t subscription_id); 57 58 } // extern "C" 59 60 } // namespace android_internal 61 } // namespace perfetto 62 63 #endif // SRC_ANDROID_INTERNAL_STATSD_H_ 64