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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 "net/spdy/spdy_websocket_stream.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/compiler_specific.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/spdy/spdy_framer.h"
#include "net/spdy/spdy_protocol.h"
#include "net/spdy/spdy_session.h"
#include "net/spdy/spdy_stream.h"
#include "url/gurl.h"
namespace net {
SpdyWebSocketStream::SpdyWebSocketStream(
const base::WeakPtr<SpdySession>& spdy_session, Delegate* delegate)
: weak_ptr_factory_(this),
spdy_session_(spdy_session),
pending_send_data_length_(0),
delegate_(delegate) {
DCHECK(spdy_session_.get());
DCHECK(delegate_);
}
SpdyWebSocketStream::~SpdyWebSocketStream() {
delegate_ = NULL;
Close();
}
int SpdyWebSocketStream::InitializeStream(const GURL& url,
RequestPriority request_priority,
const BoundNetLog& net_log) {
if (!spdy_session_)
return ERR_SOCKET_NOT_CONNECTED;
int rv = stream_request_.StartRequest(
SPDY_BIDIRECTIONAL_STREAM, spdy_session_, url, request_priority, net_log,
base::Bind(&SpdyWebSocketStream::OnSpdyStreamCreated,
weak_ptr_factory_.GetWeakPtr()));
if (rv == OK) {
stream_ = stream_request_.ReleaseStream();
DCHECK(stream_.get());
stream_->SetDelegate(this);
}
return rv;
}
int SpdyWebSocketStream::SendRequest(scoped_ptr<SpdyHeaderBlock> headers) {
if (!stream_.get()) {
NOTREACHED();
return ERR_UNEXPECTED;
}
int result = stream_->SendRequestHeaders(headers.Pass(), MORE_DATA_TO_SEND);
if (result < OK && result != ERR_IO_PENDING)
Close();
return result;
}
int SpdyWebSocketStream::SendData(const char* data, int length) {
if (!stream_.get()) {
NOTREACHED();
return ERR_UNEXPECTED;
}
DCHECK_GE(length, 0);
pending_send_data_length_ = static_cast<size_t>(length);
scoped_refptr<IOBuffer> buf(new IOBuffer(length));
memcpy(buf->data(), data, length);
stream_->SendData(buf.get(), length, MORE_DATA_TO_SEND);
return ERR_IO_PENDING;
}
void SpdyWebSocketStream::Close() {
if (stream_.get()) {
stream_->Close();
DCHECK(!stream_.get());
}
}
void SpdyWebSocketStream::OnRequestHeadersSent() {
DCHECK(delegate_);
delegate_->OnSentSpdyHeaders();
}
SpdyResponseHeadersStatus SpdyWebSocketStream::OnResponseHeadersUpdated(
const SpdyHeaderBlock& response_headers) {
DCHECK(delegate_);
delegate_->OnSpdyResponseHeadersUpdated(response_headers);
return RESPONSE_HEADERS_ARE_COMPLETE;
}
void SpdyWebSocketStream::OnDataReceived(scoped_ptr<SpdyBuffer> buffer) {
DCHECK(delegate_);
delegate_->OnReceivedSpdyData(buffer.Pass());
}
void SpdyWebSocketStream::OnDataSent() {
DCHECK(delegate_);
delegate_->OnSentSpdyData(pending_send_data_length_);
pending_send_data_length_ = 0;
}
void SpdyWebSocketStream::OnClose(int status) {
stream_.reset();
// Destruction without Close() call OnClose() with delegate_ being NULL.
if (!delegate_)
return;
Delegate* delegate = delegate_;
delegate_ = NULL;
delegate->OnCloseSpdyStream();
}
void SpdyWebSocketStream::OnSpdyStreamCreated(int result) {
DCHECK_NE(ERR_IO_PENDING, result);
if (result == OK) {
stream_ = stream_request_.ReleaseStream();
DCHECK(stream_.get());
stream_->SetDelegate(this);
}
DCHECK(delegate_);
delegate_->OnCreatedSpdyStream(result);
}
} // namespace net
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