Added out-of-process support for server sockets.

ppapi/proxy/ppb_tcp_server_socket_private_proxy.cc

+// 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_server_socket_private_proxy.h"
+
+#include <cstddef>
+
+#include "base/logging.h"
+#include "ppapi/c/pp_errors.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/proxy/ppb_tcp_socket_private_proxy.h"
+#include "ppapi/shared_impl/private/ppb_tcp_server_socket_shared.h"
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace proxy {
+
+typedef thunk::EnterResource<thunk::PPB_TCPServerSocket_Private_API>
+    EnterTCPServerSocket;
+
+namespace {
+
+class TCPServerSocket : public PPB_TCPServerSocket_Shared {
+ public:
+  TCPServerSocket(const HostResource& resource, uint32 plugin_dispatcher_id);
+  virtual ~TCPServerSocket();
+
+  virtual void OnAcceptCompleted(
+      bool succeeded,
+      uint32 tcp_socket_id,
+      const PP_NetAddress_Private& local_addr,
+      const PP_NetAddress_Private& remote_addr) OVERRIDE;
+
+  virtual void SendListen(const PP_NetAddress_Private& addr,
+                          int32_t backlog) OVERRIDE;
+  virtual void SendAccept() OVERRIDE;
+  virtual void SendStopListening() OVERRIDE;
+
+ private:
+  void SendToBrowser(IPC::Message* msg);
+
+  uint32 plugin_dispatcher_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(TCPServerSocket);
+};
+
+TCPServerSocket::TCPServerSocket(const HostResource& resource,
+                                 uint32 plugin_dispatcher_id)
+    : PPB_TCPServerSocket_Shared(resource),
+      plugin_dispatcher_id_(plugin_dispatcher_id) {
+}
+
+TCPServerSocket::~TCPServerSocket() {
+  StopListening();
+}
+
+void TCPServerSocket::OnAcceptCompleted(
+    bool succeeded,
+    uint32 accepted_socket_id,
+    const PP_NetAddress_Private& local_addr,
+    const PP_NetAddress_Private& remote_addr) {
+  if (!TrackedCallback::IsPending(accept_callback_) || !tcp_socket_buffer_) {
+    NOTREACHED();
+    return;
+  }
+
+  if (succeeded) {
+    *tcp_socket_buffer_ =
+        PPB_TCPSocket_Private_Proxy::CreateProxyResourceForConnectedSocket(
+            pp_instance(),
+            accepted_socket_id,
+            local_addr,
+            remote_addr);
+  }
+  tcp_socket_buffer_ = NULL;
+
+  TrackedCallback::ClearAndRun(&accept_callback_,
+                               succeeded ? PP_OK : PP_ERROR_FAILED);
+}
+
+void TCPServerSocket::SendListen(const PP_NetAddress_Private& addr,
+                                 int32_t backlog) {
+  SendToBrowser(new PpapiHostMsg_PPBTCPServerSocket_Listen(
+      API_ID_PPB_TCPSERVERSOCKET_PRIVATE,
+      plugin_dispatcher_id_,
+      pp_resource(),
+      addr,
+      backlog));
+}
+
+void TCPServerSocket::SendAccept() {
+  SendToBrowser(new PpapiHostMsg_PPBTCPServerSocket_Accept(
+      API_ID_PPB_TCPSOCKET_PRIVATE, socket_id_));
+}
+
+void TCPServerSocket::SendStopListening() {
+  if (socket_id_ != 0) {
+    SendToBrowser(new PpapiHostMsg_PPBTCPServerSocket_Destroy(socket_id_));
+
+    PluginDispatcher* dispatcher =
+        PluginDispatcher::GetForInstance(host_resource().instance());
+    if (dispatcher) {
+      InterfaceProxy* proxy =
+          dispatcher->GetInterfaceProxy(API_ID_PPB_TCPSERVERSOCKET_PRIVATE);
+      PPB_TCPServerSocket_Private_Proxy* server_socket_proxy =
+          static_cast<PPB_TCPServerSocket_Private_Proxy*>(proxy);
+      server_socket_proxy->ObjectDestroyed(socket_id_);
+    }
+  }
+}
+
+void TCPServerSocket::SendToBrowser(IPC::Message* msg) {
+  PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(msg);
+}
+
+}  // namespace
+
+//------------------------------------------------------------------------------
+
+PPB_TCPServerSocket_Private_Proxy::PPB_TCPServerSocket_Private_Proxy(
+    Dispatcher* dispatcher)
+    : InterfaceProxy(dispatcher) {
+}
+
+PPB_TCPServerSocket_Private_Proxy::~PPB_TCPServerSocket_Private_Proxy() {
+}
+
+PP_Resource PPB_TCPServerSocket_Private_Proxy::CreateProxyResource(
+    PP_Instance instance) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
+  if (!dispatcher)
+    return 0;
+
+  TCPServerSocket* server_socket =
+      new TCPServerSocket(HostResource::MakeInstanceOnly(instance),
+                          dispatcher->plugin_dispatcher_id());
+  return server_socket->GetReference();
+}
+
+void PPB_TCPServerSocket_Private_Proxy::ObjectDestroyed(uint32 socket_id) {
+  id_to_server_socket_.erase(socket_id);
+}
+
+bool PPB_TCPServerSocket_Private_Proxy::OnMessageReceived(
+    const IPC::Message& msg) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(PPB_TCPServerSocket_Private_Proxy, msg)
+    IPC_MESSAGE_HANDLER(PpapiMsg_PPBTCPServerSocket_ListenACK, OnMsgListenACK)
+    IPC_MESSAGE_HANDLER(PpapiMsg_PPBTCPServerSocket_AcceptACK, OnMsgAcceptACK)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void PPB_TCPServerSocket_Private_Proxy::OnMsgListenACK(
+    uint32 plugin_dispatcher_id,
+    PP_Resource socket_resource,
+    uint32 socket_id,
+    int32_t status) {
+  EnterTCPServerSocket enter(socket_resource, true);
+  if (enter.succeeded()) {
+    PPB_TCPServerSocket_Shared* server_socket =
+        static_cast<PPB_TCPServerSocket_Shared*>(enter.object());
+    if (status == PP_OK)
+      id_to_server_socket_[socket_id] = server_socket;
+    server_socket->OnListenCompleted(socket_id, status);
+  } else if (socket_id != 0 && status == PP_OK) {
+    IPC::Message* msg =
+        new PpapiHostMsg_PPBTCPServerSocket_Destroy(socket_id);
+    PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(msg);
+  }
+}
+
+void PPB_TCPServerSocket_Private_Proxy::OnMsgAcceptACK(
+    uint32 plugin_dispatcher_id,
+    uint32 server_socket_id,
+    uint32 accepted_socket_id,
+    const PP_NetAddress_Private& local_addr,
+    const PP_NetAddress_Private& remote_addr) {
+  IDToServerSocketMap::iterator it =
+      id_to_server_socket_.find(server_socket_id);
+  if (it != id_to_server_socket_.end()) {
+    bool succeeded = (accepted_socket_id != 0);
+    it->second->OnAcceptCompleted(succeeded,
+                                  accepted_socket_id,
+                                  local_addr,
+                                  remote_addr);
+  } else if (accepted_socket_id != 0) {
+    PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
+        new PpapiHostMsg_PPBTCPSocket_Disconnect(accepted_socket_id));
+  }
+}
+
+}  // namespace proxy
+}  // namespace ppapi