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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/android/sandboxed_process_launcher.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "jni/SandboxedProcessLauncher_jni.h"
using base::android::AttachCurrentThread;
using base::android::ToJavaArrayOfStrings;
using base::android::ScopedJavaLocalRef;
using content::StartSandboxedProcessCallback;
namespace content {
// Called from SandboxedProcessLauncher.java when the SandboxedProcess was
// started.
// |client_context| is the pointer to StartSandboxedProcessCallback which was
// passed in from StartSandboxedProcess.
// |handle| is the processID of the child process as originated in Java, 0 if
// the SandboxedProcess could not be created.
static void OnSandboxedProcessStarted(JNIEnv*,
jclass,
jint client_context,
jint handle) {
StartSandboxedProcessCallback* callback =
reinterpret_cast<StartSandboxedProcessCallback*>(client_context);
if (handle)
callback->Run(static_cast<base::ProcessHandle>(handle));
delete callback;
}
void StartSandboxedProcess(
const CommandLine::StringVector& argv,
const std::vector<content::FileDescriptorInfo>& files_to_register,
const StartSandboxedProcessCallback& callback) {
JNIEnv* env = AttachCurrentThread();
DCHECK(env);
// Create the Command line String[]
ScopedJavaLocalRef<jobjectArray> j_argv = ToJavaArrayOfStrings(env, argv);
size_t file_count = files_to_register.size();
DCHECK(file_count > 0);
ScopedJavaLocalRef<jintArray> j_file_ids(env, env->NewIntArray(file_count));
base::android::CheckException(env);
jint* file_ids = env->GetIntArrayElements(j_file_ids.obj(), NULL);
base::android::CheckException(env);
ScopedJavaLocalRef<jintArray> j_file_fds(env, env->NewIntArray(file_count));
base::android::CheckException(env);
jint* file_fds = env->GetIntArrayElements(j_file_fds.obj(), NULL);
base::android::CheckException(env);
ScopedJavaLocalRef<jbooleanArray> j_file_auto_close(
env, env->NewBooleanArray(file_count));
base::android::CheckException(env);
jboolean* file_auto_close =
env->GetBooleanArrayElements(j_file_auto_close.obj(), NULL);
base::android::CheckException(env);
for (size_t i = 0; i < file_count; ++i) {
const content::FileDescriptorInfo& fd_info = files_to_register[i];
file_ids[i] = fd_info.id;
file_fds[i] = fd_info.fd.fd;
file_auto_close[i] = fd_info.fd.auto_close;
}
env->ReleaseIntArrayElements(j_file_ids.obj(), file_ids, 0);
env->ReleaseIntArrayElements(j_file_fds.obj(), file_fds, 0);
env->ReleaseBooleanArrayElements(j_file_auto_close.obj(), file_auto_close, 0);
Java_SandboxedProcessLauncher_start(env,
base::android::GetApplicationContext(),
j_argv.obj(),
j_file_ids.obj(),
j_file_fds.obj(),
j_file_auto_close.obj(),
reinterpret_cast<jint>(new StartSandboxedProcessCallback(callback)));
}
void StopSandboxedProcess(base::ProcessHandle handle) {
JNIEnv* env = AttachCurrentThread();
DCHECK(env);
Java_SandboxedProcessLauncher_stop(env, static_cast<jint>(handle));
}
bool RegisterSandboxedProcessLauncher(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace content
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