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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 "ppapi/proxy/ppb_tcp_socket_private_proxy.h"
#include <map>
#include "base/logging.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/plugin_globals.h"
#include "ppapi/proxy/plugin_proxy_delegate.h"
#include "ppapi/proxy/plugin_resource_tracker.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/private/ppb_x509_certificate_private_shared.h"
#include "ppapi/shared_impl/private/tcp_socket_private_impl.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/thunk/thunk.h"
namespace ppapi {
namespace proxy {
namespace {
typedef std::map<uint32, TCPSocketPrivateImpl*> IDToSocketMap;
IDToSocketMap* g_id_to_socket = NULL;
class TCPSocket : public TCPSocketPrivateImpl {
public:
// C-tor for new sockets.
TCPSocket(const HostResource& resource, uint32 socket_id);
// C-tor for already connected sockets.
TCPSocket(const HostResource& resource,
uint32 socket_id,
const PP_NetAddress_Private& local_addr,
const PP_NetAddress_Private& remote_addr);
virtual ~TCPSocket();
virtual void SendConnect(const std::string& host, uint16_t port) OVERRIDE;
virtual void SendConnectWithNetAddress(
const PP_NetAddress_Private& addr) OVERRIDE;
virtual void SendSSLHandshake(
const std::string& server_name,
uint16_t server_port,
const std::vector<std::vector<char> >& trusted_certs,
const std::vector<std::vector<char> >& untrusted_certs) OVERRIDE;
virtual void SendRead(int32_t bytes_to_read) OVERRIDE;
virtual void SendWrite(const std::string& buffer) OVERRIDE;
virtual void SendDisconnect() OVERRIDE;
private:
void SendToBrowser(IPC::Message* msg);
DISALLOW_COPY_AND_ASSIGN(TCPSocket);
};
TCPSocket::TCPSocket(const HostResource& resource, uint32 socket_id)
: TCPSocketPrivateImpl(resource, socket_id) {
if (!g_id_to_socket)
g_id_to_socket = new IDToSocketMap();
DCHECK(g_id_to_socket->find(socket_id) == g_id_to_socket->end());
(*g_id_to_socket)[socket_id] = this;
}
TCPSocket::TCPSocket(const HostResource& resource,
uint32 socket_id,
const PP_NetAddress_Private& local_addr,
const PP_NetAddress_Private& remote_addr)
: TCPSocketPrivateImpl(resource, socket_id) {
if (!g_id_to_socket)
g_id_to_socket = new IDToSocketMap();
DCHECK(g_id_to_socket->find(socket_id) == g_id_to_socket->end());
connection_state_ = CONNECTED;
local_addr_ = local_addr;
remote_addr_ = remote_addr;
(*g_id_to_socket)[socket_id] = this;
}
TCPSocket::~TCPSocket() {
Disconnect();
}
void TCPSocket::SendConnect(const std::string& host, uint16_t port) {
SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Connect(
API_ID_PPB_TCPSOCKET_PRIVATE, socket_id_, host, port));
}
void TCPSocket::SendConnectWithNetAddress(const PP_NetAddress_Private& addr) {
SendToBrowser(new PpapiHostMsg_PPBTCPSocket_ConnectWithNetAddress(
API_ID_PPB_TCPSOCKET_PRIVATE, socket_id_, addr));
}
void TCPSocket::SendSSLHandshake(
const std::string& server_name,
uint16_t server_port,
const std::vector<std::vector<char> >& trusted_certs,
const std::vector<std::vector<char> >& untrusted_certs) {
SendToBrowser(new PpapiHostMsg_PPBTCPSocket_SSLHandshake(
socket_id_, server_name, server_port, trusted_certs, untrusted_certs));
}
void TCPSocket::SendRead(int32_t bytes_to_read) {
SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Read(socket_id_, bytes_to_read));
}
void TCPSocket::SendWrite(const std::string& buffer) {
SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Write(socket_id_, buffer));
}
void TCPSocket::SendDisconnect() {
// After removed from the mapping, this object won't receive any notifications
// from the proxy.
DCHECK(g_id_to_socket->find(socket_id_) != g_id_to_socket->end());
g_id_to_socket->erase(socket_id_);
SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Disconnect(socket_id_));
}
void TCPSocket::SendToBrowser(IPC::Message* msg) {
PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(msg);
}
} // namespace
//------------------------------------------------------------------------------
PPB_TCPSocket_Private_Proxy::PPB_TCPSocket_Private_Proxy(Dispatcher* dispatcher)
: InterfaceProxy(dispatcher) {
}
PPB_TCPSocket_Private_Proxy::~PPB_TCPSocket_Private_Proxy() {
}
// static
PP_Resource PPB_TCPSocket_Private_Proxy::CreateProxyResource(
PP_Instance instance) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return 0;
uint32 socket_id = 0;
PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
new PpapiHostMsg_PPBTCPSocket_Create(
API_ID_PPB_TCPSOCKET_PRIVATE, dispatcher->plugin_dispatcher_id(),
&socket_id));
if (socket_id == 0)
return 0;
return (new TCPSocket(HostResource::MakeInstanceOnly(instance),
socket_id))->GetReference();
}
// static
PP_Resource PPB_TCPSocket_Private_Proxy::CreateProxyResourceForConnectedSocket(
PP_Instance instance,
uint32 socket_id,
const PP_NetAddress_Private& local_addr,
const PP_NetAddress_Private& remote_addr) {
return (new TCPSocket(HostResource::MakeInstanceOnly(instance),
socket_id,
local_addr,
remote_addr))->GetReference();
}
bool PPB_TCPSocket_Private_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_TCPSocket_Private_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBTCPSocket_ConnectACK,
OnMsgConnectACK)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBTCPSocket_SSLHandshakeACK,
OnMsgSSLHandshakeACK)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBTCPSocket_ReadACK, OnMsgReadACK)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBTCPSocket_WriteACK, OnMsgWriteACK)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_TCPSocket_Private_Proxy::OnMsgConnectACK(
uint32 /* plugin_dispatcher_id */,
uint32 socket_id,
bool succeeded,
const PP_NetAddress_Private& local_addr,
const PP_NetAddress_Private& remote_addr) {
if (!g_id_to_socket) {
NOTREACHED();
return;
}
IDToSocketMap::iterator iter = g_id_to_socket->find(socket_id);
if (iter == g_id_to_socket->end())
return;
iter->second->OnConnectCompleted(succeeded, local_addr, remote_addr);
}
void PPB_TCPSocket_Private_Proxy::OnMsgSSLHandshakeACK(
uint32 /* plugin_dispatcher_id */,
uint32 socket_id,
bool succeeded,
const PPB_X509Certificate_Fields& certificate_fields) {
if (!g_id_to_socket) {
NOTREACHED();
return;
}
IDToSocketMap::iterator iter = g_id_to_socket->find(socket_id);
if (iter == g_id_to_socket->end())
return;
iter->second->OnSSLHandshakeCompleted(succeeded, certificate_fields);
}
void PPB_TCPSocket_Private_Proxy::OnMsgReadACK(
uint32 /* plugin_dispatcher_id */,
uint32 socket_id,
bool succeeded,
const std::string& data) {
if (!g_id_to_socket) {
NOTREACHED();
return;
}
IDToSocketMap::iterator iter = g_id_to_socket->find(socket_id);
if (iter == g_id_to_socket->end())
return;
iter->second->OnReadCompleted(succeeded, data);
}
void PPB_TCPSocket_Private_Proxy::OnMsgWriteACK(
uint32 /* plugin_dispatcher_id */,
uint32 socket_id,
bool succeeded,
int32_t bytes_written) {
if (!g_id_to_socket) {
NOTREACHED();
return;
}
IDToSocketMap::iterator iter = g_id_to_socket->find(socket_id);
if (iter == g_id_to_socket->end())
return;
iter->second->OnWriteCompleted(succeeded, bytes_written);
}
} // namespace proxy
} // namespace ppapi
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