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// Copyright (c) 2010 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/common/socket_stream_dispatcher.h"
#include <vector>
#include "base/id_map.h"
#include "base/message_loop.h"
#include "base/ref_counted.h"
#include "base/task.h"
#include "chrome/common/child_thread.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/net/socket_stream.h"
#include "googleurl/src/gurl.h"
#include "ipc/ipc_message.h"
#include "webkit/glue/websocketstreamhandle_bridge.h"
#include "webkit/glue/websocketstreamhandle_delegate.h"
// IPCWebSocketStreamHandleBridge is owned by each SocketStreamHandle.
// It communicates with the main browser process via SocketStreamDispatcher.
class IPCWebSocketStreamHandleBridge
: public webkit_glue::WebSocketStreamHandleBridge {
public:
IPCWebSocketStreamHandleBridge(
ChildThread* child_thread,
WebKit::WebSocketStreamHandle* handle,
webkit_glue::WebSocketStreamHandleDelegate* delegate)
: socket_id_(chrome_common_net::kNoSocketId),
child_thread_(child_thread),
handle_(handle),
delegate_(delegate) {}
// Returns the handle having given id or NULL if there is no such handle.
static IPCWebSocketStreamHandleBridge* FromSocketId(int id);
// webkit_glue::WebSocketStreamHandleBridge methods.
virtual void Connect(const GURL& url);
virtual bool Send(const std::vector<char>& data);
virtual void Close();
// Called by SocketStreamDispatcher.
void OnConnected(int max_amount_send_allowed);
void OnSentData(int amount_sent);
void OnReceivedData(const std::vector<char>& data);
void OnClosed();
private:
virtual ~IPCWebSocketStreamHandleBridge();
void DoConnect(const GURL& url);
int socket_id_;
ChildThread* child_thread_;
WebKit::WebSocketStreamHandle* handle_;
webkit_glue::WebSocketStreamHandleDelegate* delegate_;
static IDMap<IPCWebSocketStreamHandleBridge> all_bridges;
};
IDMap<IPCWebSocketStreamHandleBridge>
IPCWebSocketStreamHandleBridge::all_bridges;
/* static */
IPCWebSocketStreamHandleBridge* IPCWebSocketStreamHandleBridge::FromSocketId(
int id) {
return all_bridges.Lookup(id);
}
IPCWebSocketStreamHandleBridge::~IPCWebSocketStreamHandleBridge() {
DVLOG(1) << "IPCWebSocketStreamHandleBridge destructor socket_id="
<< socket_id_;
if (socket_id_ != chrome_common_net::kNoSocketId) {
child_thread_->Send(new ViewHostMsg_Close(socket_id_));
socket_id_ = chrome_common_net::kNoSocketId;
}
}
void IPCWebSocketStreamHandleBridge::Connect(const GURL& url) {
DCHECK(child_thread_);
DVLOG(1) << "Connect url=" << url;
child_thread_->message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &IPCWebSocketStreamHandleBridge::DoConnect,
url));
}
bool IPCWebSocketStreamHandleBridge::Send(
const std::vector<char>& data) {
DVLOG(1) << "Send data.size=" << data.size();
if (child_thread_->Send(
new ViewHostMsg_SocketStream_SendData(socket_id_, data))) {
if (delegate_)
delegate_->WillSendData(handle_, &data[0], data.size());
return true;
}
return false;
}
void IPCWebSocketStreamHandleBridge::Close() {
DVLOG(1) << "Close socket_id" << socket_id_;
child_thread_->Send(new ViewHostMsg_SocketStream_Close(socket_id_));
}
void IPCWebSocketStreamHandleBridge::OnConnected(int max_pending_send_allowed) {
DVLOG(1) << "IPCWebSocketStreamHandleBridge::OnConnected socket_id="
<< socket_id_;
if (delegate_)
delegate_->DidOpenStream(handle_, max_pending_send_allowed);
}
void IPCWebSocketStreamHandleBridge::OnSentData(int amount_sent) {
if (delegate_)
delegate_->DidSendData(handle_, amount_sent);
}
void IPCWebSocketStreamHandleBridge::OnReceivedData(
const std::vector<char>& data) {
if (delegate_)
delegate_->DidReceiveData(handle_, &data[0], data.size());
}
void IPCWebSocketStreamHandleBridge::OnClosed() {
DVLOG(1) << "IPCWebSocketStreamHandleBridge::OnClosed";
if (socket_id_ != chrome_common_net::kNoSocketId) {
all_bridges.Remove(socket_id_);
socket_id_ = chrome_common_net::kNoSocketId;
}
if (delegate_)
delegate_->DidClose(handle_);
delegate_ = NULL;
Release();
}
void IPCWebSocketStreamHandleBridge::DoConnect(const GURL& url) {
DCHECK(child_thread_);
DCHECK_EQ(socket_id_, chrome_common_net::kNoSocketId);
if (delegate_)
delegate_->WillOpenStream(handle_, url);
socket_id_ = all_bridges.Add(this);
DCHECK_NE(socket_id_, chrome_common_net::kNoSocketId);
AddRef(); // Released in OnClosed().
if (child_thread_->Send(
new ViewHostMsg_SocketStream_Connect(url, socket_id_))) {
DVLOG(1) << "Connect socket_id=" << socket_id_;
// TODO(ukai): timeout to OnConnected.
} else {
LOG(ERROR) << "IPC SocketStream_Connect failed.";
OnClosed();
}
}
SocketStreamDispatcher::SocketStreamDispatcher() {
}
/* static */
webkit_glue::WebSocketStreamHandleBridge*
SocketStreamDispatcher::CreateBridge(
WebKit::WebSocketStreamHandle* handle,
webkit_glue::WebSocketStreamHandleDelegate* delegate) {
return new IPCWebSocketStreamHandleBridge(
ChildThread::current(), handle, delegate);
}
bool SocketStreamDispatcher::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(SocketStreamDispatcher, msg)
IPC_MESSAGE_HANDLER(ViewMsg_SocketStream_Connected, OnConnected)
IPC_MESSAGE_HANDLER(ViewMsg_SocketStream_SentData, OnSentData)
IPC_MESSAGE_HANDLER(ViewMsg_SocketStream_ReceivedData, OnReceivedData)
IPC_MESSAGE_HANDLER(ViewMsg_SocketStream_Closed, OnClosed)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void SocketStreamDispatcher::OnConnected(int socket_id,
int max_pending_send_allowed) {
DVLOG(1) << "SocketStreamDispatcher::OnConnected socket_id=" << socket_id
<< " max_pending_send_allowed=" << max_pending_send_allowed;
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnConnected(max_pending_send_allowed);
else
DLOG(ERROR) << "No SocketStreamHandleBridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnSentData(int socket_id, int amount_sent) {
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnSentData(amount_sent);
else
DLOG(ERROR) << "No SocketStreamHandleBridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnReceivedData(
int socket_id, const std::vector<char>& data) {
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnReceivedData(data);
else
DLOG(ERROR) << "No SocketStreamHandleBridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnClosed(int socket_id) {
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnClosed();
else
DLOG(ERROR) << "No SocketStreamHandleBridge for socket_id=" << socket_id;
}
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