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-rw-r--r--src/common/OutputDataSocket.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/common/OutputDataSocket.h b/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/ceph_mutex.h"
+#include "common/Thread.h"
+#include "include/buffer.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;
+ uint32_t skipped;
+
+ std::vector<buffer::list> data;
+
+ ceph::mutex m_lock = ceph::make_mutex("OutputDataSocket::m_lock");
+ ceph::condition_variable cond;
+ buffer::list delim;
+};
+
+#endif