1 /*
2 * Copyright (C) 2025 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 #include "src/java_sdk/main/cpp/com_google_perfetto_sdk_PerfettoExampleWrapper.h"
18
19 #include <jni.h>
20
21 #include <string>
22
23 #include "src/java_sdk/main/cpp/example.h"
24
Java_com_google_perfetto_sdk_PerfettoExampleWrapper_runPerfettoMain(JNIEnv * env,jobject,jstring outputFilePath)25 static jint Java_com_google_perfetto_sdk_PerfettoExampleWrapper_runPerfettoMain(
26 JNIEnv* env,
27 jobject /*thiz*/,
28 jstring outputFilePath) {
29 const char* cstr = env->GetStringUTFChars(outputFilePath, NULL);
30 std::string file_path = std::string(cstr);
31 env->ReleaseStringUTFChars(outputFilePath, cstr);
32 return run_main(file_path);
33 }
34
35 static jint
Java_com_google_perfetto_sdk_PerfettoExampleWrapper_incrementIntCritical(jint value)36 Java_com_google_perfetto_sdk_PerfettoExampleWrapper_incrementIntCritical(
37 jint value) {
38 return value + 1;
39 }
40
41 static const JNINativeMethod myMethods[] = {
runPerfettoMain(Ljava/lang/String;)42 {"runPerfettoMain", "(Ljava/lang/String;)I",
43 reinterpret_cast<void*>(
44 Java_com_google_perfetto_sdk_PerfettoExampleWrapper_runPerfettoMain)},
incrementIntCritical(I)45 {"incrementIntCritical", "(I)I",
46 reinterpret_cast<void*>(
47 Java_com_google_perfetto_sdk_PerfettoExampleWrapper_incrementIntCritical)}};
48
JNI_OnLoad(JavaVM * vm,void *)49 JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void*) {
50 JNIEnv* env;
51 if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
52 return JNI_ERR;
53 }
54
55 jclass myCls =
56 env->FindClass("com/google/perfetto/sdk/PerfettoExampleWrapper");
57 if (myCls == nullptr) {
58 return JNI_ERR;
59 }
60
61 int rc = env->RegisterNatives(myCls, myMethods,
62 sizeof(myMethods) / sizeof(JNINativeMethod));
63 if (rc != JNI_OK) {
64 return JNI_ERR;
65 }
66
67 return JNI_VERSION_1_6;
68 }
69