Replace StreamListenSocket with StreamSocket in HttpServer.

net/socket/unix_domain_server_socket_posix.h

+// Copyright 2014 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.
+
+#ifndef NET_SOCKET_UNIX_DOMAIN_SERVER_SOCKET_POSIX_H_
+#define NET_SOCKET_UNIX_DOMAIN_SERVER_SOCKET_POSIX_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "net/base/net_export.h"
+#include "net/socket/server_socket.h"
+#include "net/socket/socket_descriptor.h"
+
+namespace net {
+
+// Unix Domain Server Socket Implementation. Supports abstract namespaces on
+// Linux.
+class NET_EXPORT UnixDomainServerSocket
+    : public ServerSocket,
+      public base::MessageLoopForIO::Watcher {
+ public:
+  // Callback that returns whether the already connected client, identified by
+  // its process |user_id| and |group_id|, is allowed to keep the connection
+  // open. Note that the socket is closed immediately in case the callback
+  // returns false.
+  typedef base::Callback<bool (uid_t user_id, gid_t group_id)> AuthCallback;
+
+  UnixDomainServerSocket(const AuthCallback& auth_callack,
+                         bool use_abstract_namespace);
+  virtual ~UnixDomainServerSocket();
+
+  // ServerSocket implementation.
+  virtual int Listen(const IPEndPoint& address, int backlog) OVERRIDE;
+  virtual int ListenWithAddressAndPort(const std::string& unix_domain_path,
+                                       int port_unused,
+                                       int backlog) OVERRIDE;
+  virtual int GetLocalAddress(IPEndPoint* address) const OVERRIDE;
+  virtual int Accept(scoped_ptr<StreamSocket>* socket,
+                     const CompletionCallback& callback) OVERRIDE;
+
+  // base::MessageLoopForIO::Watcher methods.
+  virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
+  virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE;
+
+  // Creates a socket and bind to |socket_path|.
+  // Only for android or for linux, |use_abstract_namespace| can be true.
+  // Otherwise, returns ERR_ADDRESS_INVALID.
+  static int CreateAndBind(const std::string& socket_path,
+                           bool use_abstract_namespace,
+                           SocketDescriptor* socket_fd);
+  // Gets UID and GID of peer to check permissions.
+  static bool GetPeerIds(SocketDescriptor socket_fd,
+                         uid_t* user_id,
+                         gid_t* group_id);
+ private:
+  void Close();
+  int DoAccept(scoped_ptr<StreamSocket>* socket);
+  void DidCompleteAccept();
+
+  SocketDescriptor socket_fd_;
+  const AuthCallback auth_callback_;
+  const bool use_abstract_namespace_;
+
+  base::MessageLoopForIO::FileDescriptorWatcher accept_socket_watcher_;
+  scoped_ptr<StreamSocket>* accept_socket_;
+  CompletionCallback accept_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(UnixDomainServerSocket);
+};
+
+}  // namespace net
+
+#endif  // NET_SOCKET_UNIX_DOMAIN_SOCKET_POSIX_H_