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(static_cast<char*>(byte_buffer_data) + position),
18 byte_buffer_(env, jbyte_buffer),
19 initial_position_(position),
20 initial_limit_(limit) {
21 DCHECK(byte_buffer_data);
22 DCHECK_EQ(env->GetDirectBufferAddress(jbyte_buffer), byte_buffer_data);
23 }
24
~IOBufferWithByteBuffer()25 IOBufferWithByteBuffer::~IOBufferWithByteBuffer() {}
26
ByteBufferWithIOBuffer(JNIEnv * env,scoped_refptr<net::IOBuffer> io_buffer,int io_buffer_len)27 ByteBufferWithIOBuffer::ByteBufferWithIOBuffer(
28 JNIEnv* env,
29 scoped_refptr<net::IOBuffer> io_buffer,
30 int io_buffer_len)
31 : io_buffer_(std::move(io_buffer)), io_buffer_len_(io_buffer_len) {
32 // An intermediate ScopedJavaLocalRef is needed here to release the local
33 // reference created by env->NewDirectByteBuffer().
34 base::android::ScopedJavaLocalRef<jobject> java_buffer(
35 env, env->NewDirectByteBuffer(io_buffer_->data(), io_buffer_len_));
36 byte_buffer_.Reset(env, java_buffer.obj());
37 }
38
~ByteBufferWithIOBuffer()39 ByteBufferWithIOBuffer::~ByteBufferWithIOBuffer() {}
40
41 } // namespace cronet
42