initial code repo

[stor4nfv.git] / src / ceph / src / common / OutputDataSocket.h

diff --git a/src/ceph/src/common/OutputDataSocket.h b/src/ceph/src/common/OutputDataSocket.h
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+++ b/src/ceph/src/common/OutputDataSocket.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) 2011 New Dream Network
+ *
+ * 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_COMMON_OUTPUTDATASOCKET_H
+#define CEPH_COMMON_OUTPUTDATASOCKET_H
+
+#include "common/Cond.h"
+
+class CephContext;
+
+class OutputDataSocket : public Thread
+{
+public:
+  OutputDataSocket(CephContext *cct, uint64_t _backlog);
+  ~OutputDataSocket() override;
+
+  bool init(const std::string &path);
+  
+  void append_output(bufferlist& bl);
+
+protected:
+  virtual void init_connection(bufferlist& bl) {}
+  void shutdown();
+
+  std::string create_shutdown_pipe(int *pipe_rd, int *pipe_wr);
+  std::string bind_and_listen(const std::string &sock_path, int *fd);
+
+  void *entry() override;
+  bool do_accept();
+
+  void handle_connection(int fd);
+  void close_connection(int fd);
+
+  int dump_data(int fd);
+
+  CephContext *m_cct;
+  uint64_t data_max_backlog;
+  std::string m_path;
+  int m_sock_fd;
+  int m_shutdown_rd_fd;
+  int m_shutdown_wr_fd;
+  bool going_down;
+
+  uint64_t data_size;
+
+  std::list<bufferlist> data;
+
+  Mutex m_lock;
+  Cond cond;
+
+  bufferlist delim;
+};
+
+#endif