1 // Copyright 2016 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/cronet/android/io_buffer_with_byte_buffer.h"
6
7 #include "base/check_op.h"
8
9 namespace cronet {
10
IOBufferWithByteBuffer(JNIEnv * env,const base::android::JavaParamRef<jobject> & jbyte_buffer,void * byte_buffer_data,jint position,jint limit)11 IOBufferWithByteBuffer::IOBufferWithByteBuffer(
12 JNIEnv* env,
13 const base::android::JavaParamRef<jobject>& jbyte_buffer,
14 void* byte_buffer_data,
15 jint position,
16 jint limit)
17 : net::WrappedIOBuffer(base::make_span(static_cast<char*>(byte_buffer_data),
18 static_cast<size_t>(limit))
19 .subspan(position)),
20 byte_buffer_(env, jbyte_buffer),
21 initial_position_(position),
22 initial_limit_(limit) {
23 DCHECK(byte_buffer_data);
24 DCHECK_EQ(env->GetDirectBufferAddress(jbyte_buffer), byte_buffer_data);
25 }
26
~IOBufferWithByteBuffer()27 IOBufferWithByteBuffer::~IOBufferWithByteBuffer() {}
28
ByteBufferWithIOBuffer(JNIEnv * env,scoped_refptr<net::IOBuffer> io_buffer,int io_buffer_len)29 ByteBufferWithIOBuffer::ByteBufferWithIOBuffer(
30 JNIEnv* env,
31 scoped_refptr<net::IOBuffer> io_buffer,
32 int io_buffer_len)
33 : io_buffer_(std::move(io_buffer)), io_buffer_len_(io_buffer_len) {
34 // An intermediate ScopedJavaLocalRef is needed here to release the local
35 // reference created by env->NewDirectByteBuffer().
36 base::android::ScopedJavaLocalRef<jobject> java_buffer(
37 env, env->NewDirectByteBuffer(io_buffer_->data(), io_buffer_len_));
38 byte_buffer_.Reset(env, java_buffer.obj());
39 }
40
~ByteBufferWithIOBuffer()41 ByteBufferWithIOBuffer::~ByteBufferWithIOBuffer() {}
42
43 } // namespace cronet
44