P2P Sockets host implementation.

content/browser/renderer_host/p2p_sockets_host.cc

+// Copyright (c) 2011 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 "content/browser/renderer_host/p2p_sockets_host.h"
+
+#include "content/browser/renderer_host/p2p_socket_host.h"
+#include "content/common/p2p_messages.h"
+
+P2PSocketsHost::P2PSocketsHost() {
+}
+
+P2PSocketsHost::~P2PSocketsHost() {
+}
+
+void P2PSocketsHost::OnChannelClosing() {
+  BrowserMessageFilter::OnChannelClosing();
+
+  // Since the IPC channel is gone, close pending connections.
+  for (IDMap<P2PSocketHost>::iterator i(&sockets_); !i.IsAtEnd(); i.Advance()) {
+    sockets_.Remove(i.GetCurrentKey());
+  }
+}
+
+void P2PSocketsHost::OnDestruct() const {
+  BrowserThread::DeleteOnIOThread::Destruct(this);
+}
+
+bool P2PSocketsHost::OnMessageReceived(const IPC::Message& message,
+                                       bool* message_was_ok) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP_EX(P2PSocketsHost, message, *message_was_ok)
+    IPC_MESSAGE_HANDLER(P2PHostMsg_CreateSocket, OnCreateSocket)
+    IPC_MESSAGE_HANDLER(P2PHostMsg_Send, OnSend)
+    IPC_MESSAGE_HANDLER(P2PHostMsg_DestroySocket, OnDestroySocket)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP_EX()
+  return handled;
+}
+
+void P2PSocketsHost::OnCreateSocket(
+    const IPC::Message& msg, P2PSocketType type, int socket_id,
+    P2PSocketAddress remote_address) {
+  if (sockets_.Lookup(socket_id)) {
+    LOG(ERROR) << "Received P2PHostMsg_CreateSocket for socket "
+        "that already exists.";
+    return;
+  }
+
+  if (type != P2P_SOCKET_UDP) {
+    Send(new P2PMsg_OnError(msg.routing_id(), socket_id));
+    return;
+  }
+
+  scoped_ptr<P2PSocketHost> socket(
+      P2PSocketHost::Create(this, msg.routing_id(), socket_id, type));
+
+  if (!socket.get()) {
+    Send(new P2PMsg_OnError(msg.routing_id(), socket_id));
+    return;
+  }
+
+  if (socket->Init()) {
+    sockets_.AddWithID(socket.release(), socket_id);
+  }
+}
+
+void P2PSocketsHost::OnSend(const IPC::Message& msg, int socket_id,
+                            P2PSocketAddress socket_address,
+                            const std::vector<char>& data) {
+  P2PSocketHost* socket = sockets_.Lookup(socket_id);
+  if (!socket) {
+    LOG(ERROR) << "Received P2PHostMsg_Send for invalid socket_id.";
+    return;
+  }
+  socket->Send(socket_address, data);
+}
+
+void P2PSocketsHost::OnDestroySocket(const IPC::Message& msg, int socket_id) {
+  sockets_.Remove(socket_id);
+}