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// Copyright 2016 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 "components/cronet/android/io_buffer_with_byte_buffer.h"
#include "base/check_op.h"
#include "base/numerics/safe_conversions.h"
namespace cronet {
IOBufferWithByteBuffer::IOBufferWithByteBuffer(
JNIEnv* env,
const base::android::JavaRef<jobject>& jbyte_buffer,
jint position,
jint limit)
: net::WrappedIOBuffer(
base::span(static_cast<char*>(
env->GetDirectBufferAddress(jbyte_buffer.obj())),
base::checked_cast<size_t>(limit))
.subspan(base::checked_cast<size_t>(position))),
byte_buffer_(env, jbyte_buffer),
initial_position_(position),
initial_limit_(limit) {}
IOBufferWithByteBuffer::~IOBufferWithByteBuffer() = default;
ByteBufferWithIOBuffer::ByteBufferWithIOBuffer(
JNIEnv* env,
scoped_refptr<net::IOBuffer> io_buffer,
int io_buffer_len)
: io_buffer_(std::move(io_buffer)), io_buffer_len_(io_buffer_len) {
// An intermediate ScopedJavaLocalRef is needed here to release the local
// reference created by env->NewDirectByteBuffer().
base::android::ScopedJavaLocalRef<jobject> java_buffer(
env, env->NewDirectByteBuffer(io_buffer_->data(), io_buffer_len_));
byte_buffer_.Reset(env, java_buffer.obj());
}
ByteBufferWithIOBuffer::~ByteBufferWithIOBuffer() = default;
} // namespace cronet
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