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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chrome/browser/feedback/android/process_id_feedback_source.h"
#include "base/android/jni_array.h"
#include "base/functional/bind.h"
#include "base/types/fixed_array.h"
#include "content/public/browser/browser_child_process_host_iterator.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/common/content_features.h"
#include "content/public/common/process_type.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/browser/feedback/android/jni_headers/ProcessIdFeedbackSource_jni.h"
using base::android::JavaParamRef;
using base::android::ScopedJavaLocalRef;
using content::BrowserThread;
using jni_zero::AttachCurrentThread;
namespace chrome {
namespace android {
int64_t JNI_ProcessIdFeedbackSource_GetCurrentPid(JNIEnv* env) {
return base::GetCurrentProcId();
}
void JNI_ProcessIdFeedbackSource_Start(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
scoped_refptr<ProcessIdFeedbackSource> source =
new ProcessIdFeedbackSource(env, obj);
source->PrepareProcessIds();
}
ProcessIdFeedbackSource::ProcessIdFeedbackSource(
JNIEnv* env,
const JavaParamRef<jobject>& obj)
: java_ref_(env, obj) {}
ProcessIdFeedbackSource::~ProcessIdFeedbackSource() = default;
void ProcessIdFeedbackSource::PrepareProcessIds() {
// Browser child process info needs accessing on IO thread, while renderer
// process info on UI thread.
DCHECK_CURRENTLY_ON(BrowserThread::UI);
for (content::RenderProcessHost::iterator it(
content::RenderProcessHost::AllHostsIterator());
!it.IsAtEnd(); it.Advance()) {
content::RenderProcessHost* host = it.GetCurrentValue();
process_ids_[content::PROCESS_TYPE_RENDERER].push_back(
host->GetProcess().Pid());
}
for (content::BrowserChildProcessHostIterator iter; !iter.Done(); ++iter)
process_ids_[iter.GetData().process_type].push_back(
iter.GetData().GetProcess().Handle());
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
DCHECK(!obj.is_null());
Java_ProcessIdFeedbackSource_prepareCompleted(
env, obj, reinterpret_cast<intptr_t>(this));
}
ScopedJavaLocalRef<jlongArray> ProcessIdFeedbackSource::GetProcessIdsForType(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
jint process_type) {
switch (process_type) {
case content::PROCESS_TYPE_RENDERER:
case content::PROCESS_TYPE_UTILITY:
case content::PROCESS_TYPE_GPU:
break;
default:
NOTREACHED() << "Unsupported process type.";
}
size_t size = process_ids_[process_type].size();
base::FixedArray<jlong> pids(size);
for (size_t i = 0; i < size; i++)
pids[i] = process_ids_[process_type][i];
return base::android::ToJavaLongArray(env, pids);
}
} // namespace android
} // namespace chrome
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