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// Copyright 2015 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 "chrome/browser/devtools/devtools_network_upload_data_stream.h"
#include "net/base/net_errors.h"
DevToolsNetworkUploadDataStream::DevToolsNetworkUploadDataStream(
net::UploadDataStream* upload_data_stream)
: net::UploadDataStream(upload_data_stream->is_chunked(),
upload_data_stream->identifier()),
throttle_callback_(
base::Bind(&DevToolsNetworkUploadDataStream::ThrottleCallback,
base::Unretained(this))),
throttled_byte_count_(0),
upload_data_stream_(upload_data_stream) {
}
DevToolsNetworkUploadDataStream::~DevToolsNetworkUploadDataStream() {
if (interceptor_)
interceptor_->StopThrottle(throttle_callback_);
}
void DevToolsNetworkUploadDataStream::SetInterceptor(
DevToolsNetworkInterceptor* interceptor) {
DCHECK(!interceptor_);
if (interceptor)
interceptor_ = interceptor->GetWeakPtr();
}
bool DevToolsNetworkUploadDataStream::IsInMemory() const {
return false;
}
int DevToolsNetworkUploadDataStream::InitInternal() {
throttled_byte_count_ = 0;
int result = upload_data_stream_->Init(
base::Bind(&DevToolsNetworkUploadDataStream::StreamInitCallback,
base::Unretained(this)));
if (result == net::OK && !is_chunked())
SetSize(upload_data_stream_->size());
return result;
}
void DevToolsNetworkUploadDataStream::StreamInitCallback(int result) {
if (!is_chunked())
SetSize(upload_data_stream_->size());
OnInitCompleted(result);
}
int DevToolsNetworkUploadDataStream::ReadInternal(
net::IOBuffer* buf, int buf_len) {
int result = upload_data_stream_->Read(buf, buf_len,
base::Bind(&DevToolsNetworkUploadDataStream::StreamReadCallback,
base::Unretained(this)));
return ThrottleRead(result);
}
void DevToolsNetworkUploadDataStream::StreamReadCallback(int result) {
result = ThrottleRead(result);
if (result != net::ERR_IO_PENDING)
OnReadCompleted(result);
}
int DevToolsNetworkUploadDataStream::ThrottleRead(int result) {
if (is_chunked() && upload_data_stream_->IsEOF())
SetIsFinalChunk();
if (!interceptor_ || result < 0)
return result;
if (result > 0)
throttled_byte_count_ += result;
return interceptor_->StartThrottle(result, throttled_byte_count_,
base::TimeTicks(), false, true, throttle_callback_);
}
void DevToolsNetworkUploadDataStream::ThrottleCallback(
int result, int64_t bytes) {
throttled_byte_count_ = bytes;
OnReadCompleted(result);
}
void DevToolsNetworkUploadDataStream::ResetInternal() {
upload_data_stream_->Reset();
throttled_byte_count_ = 0;
if (interceptor_)
interceptor_->StopThrottle(throttle_callback_);
}
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