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diff --git a/src/ceph/src/msg/simple/Accepter.h b/src/ceph/src/msg/simple/Accepter.h
new file mode 100644
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+++ b/src/ceph/src/msg/simple/Accepter.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software 
+ * Foundation.  See file COPYING.
+ * 
+ */
+
+#ifndef CEPH_MSG_ACCEPTER_H
+#define CEPH_MSG_ACCEPTER_H
+
+#include "common/Thread.h"
+
+class SimpleMessenger;
+struct entity_addr_t;
+
+/**
+ * If the SimpleMessenger binds to a specific address, the Accepter runs
+ * and listens for incoming connections.
+ */
+class Accepter : public Thread {
+  SimpleMessenger *msgr;
+  bool done;
+  int listen_sd;
+  uint64_t nonce;
+  int shutdown_rd_fd;
+  int shutdown_wr_fd;
+  int create_selfpipe(int *pipe_rd, int *pipe_wr);
+
+public:
+  Accepter(SimpleMessenger *r, uint64_t n) 
+    : msgr(r), done(false), listen_sd(-1), nonce(n),
+      shutdown_rd_fd(-1), shutdown_wr_fd(-1)
+    {}
+    
+  void *entry() override;
+  void stop();
+  int bind(const entity_addr_t &bind_addr, const set<int>& avoid_ports);
+  int rebind(const set<int>& avoid_port);
+  int start();
+};
+
+
+#endif