Add support for sockets that can listen and accept a connection.

ipc/ipc_channel_win.cc

 // 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 "ipc/ipc_channel_win.h"
 
 #include <windows.h>
 #include <sddl.h>
 #include <sstream>
 
@@ skipping 88 matching lines @@
 
 Channel::ChannelImpl::ChannelImpl(const IPC::ChannelHandle &channel_handle,
                                   Mode mode, Listener* listener)
     : ALLOW_THIS_IN_INITIALIZER_LIST(input_state_(this)),
       ALLOW_THIS_IN_INITIALIZER_LIST(output_state_(this)),
       pipe_(INVALID_HANDLE_VALUE),
       listener_(listener),
       waiting_connect_(mode == MODE_SERVER),
       processing_incoming_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(factory_(this)) {
+  switch(mode) {
+    case MODE_NONE:
+      LOG(FATAL) << "Bad mode for " << channel_handle.name;
+      break;
+    case MODE_SERVER:
+    case MODE_CLIENT:
+      break;
+    case MODE_NAMED_SERVER:
+      mode = MODE_SERVER;
+      break;
+    case MODE_NAMED_CLIENT:
+      mode = MODE_CLIENT;
+      break;
+    // Intentionally no default case here so that the compiler
+    // will check that we handle all the cases in the enum.
+  }
   if (!CreatePipe(channel_handle, mode)) {
     // The pipe may have been closed already.
     LOG(WARNING) << "Unable to create pipe named \"" << channel_handle.name <<
                     "\" in " << (mode == 0 ? "server" : "client") << " mode.";
   }
 }
 
 Channel::ChannelImpl::~ChannelImpl() {
   Close();
 }
@@ skipping 369 matching lines @@
 
 void Channel::set_listener(Listener* listener) {
   channel_impl_->set_listener(listener);
 }
 
 bool Channel::Send(Message* message) {
   return channel_impl_->Send(message);
 }
 
 }  // namespace IPC