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-rw-r--r--dep/acelite/ace/UUID.h282
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diff --git a/dep/acelite/ace/UUID.h b/dep/acelite/ace/UUID.h
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-// -*- C++ -*-
-
-//=============================================================================
-/**
- * @file UUID.h
- *
- * $Id: UUID.h 88604 2010-01-18 18:01:19Z hillj $
- *
- * @author Andrew T. Finnel <andrew@activesol.net>
- * @author Yamuna Krishnmaurthy <yamuna@oomworks.com>
- */
-//=============================================================================
-
-#ifndef ACE_UUID_H
-#define ACE_UUID_H
-#include /**/ "ace/pre.h"
-
-#include /**/ "ace/config-all.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#include "ace/Auto_Ptr.h"
-#include "ace/SString.h"
-#include "ace/Singleton.h"
-#include "ace/Synch_Traits.h"
-
-ACE_BEGIN_VERSIONED_NAMESPACE_DECL
-
-namespace ACE_Utils
-{
- /**
- * @class UUID_Node
- *
- * @brief Holds the MAC-address of the UUID.
- */
- class ACE_Export UUID_Node
- {
- public:
- /// Size of the node in bytes.
- enum {NODE_ID_SIZE = 6};
-
- /// Type definition of the node.
- typedef u_char Node_ID[NODE_ID_SIZE];
-
- /// Get the node id
- Node_ID & node_ID (void);
-
- /**
- * @overload
- */
- const Node_ID & node_ID (void) const;
-
- /// Test for equality.
- bool operator == (const UUID_Node & right) const;
-
- /// Test for inequality.
- bool operator != (const UUID_Node & right) const;
-
- private:
- /// The value of the node id.
- Node_ID node_ID_;
- };
-
- /**
- * @class ACE_UUID
- *
- * ACE_UUID represents a Universally Unique IDentifier (UUID) as
- * described in (the expired) INTERNET-DRAFT specification entitled
- * UUIDs and GUIDs. All instances of UUID are of the time-based
- * variety. That is, the version number part of the timeHiAndVersion
- * field is 1.
- *
- * The default constructor creates a nil UUID.
- *
- * UUIDs have value semantics. In addition, they may be compared for
- * ordering and equality.
- *
- * Additionally in this implementation provisions have been made to include
- * process and thread ids to make the UUIDs more unique. The variant 0xc0
- * has been added to facilitate this.
- */
- class ACE_Export UUID
- {
- public:
- /// The size of a binary UUID.
- enum { BINARY_SIZE = 16 };
-
- /// Constructor
- UUID (void);
-
- /// Constructs a UUID from a string representation.
- UUID (const ACE_CString& uuidString);
-
- UUID (const UUID &right);
-
- // Destructor
- ~UUID (void);
-
- ACE_UINT32 time_low (void) const;
- void time_low (ACE_UINT32);
-
- ACE_UINT16 time_mid (void) const;
- void time_mid (ACE_UINT16);
-
- ACE_UINT16 time_hi_and_version (void) const;
- void time_hi_and_version (ACE_UINT16);
-
- u_char clock_seq_hi_and_reserved (void) const;
- void clock_seq_hi_and_reserved (u_char);
-
- u_char clock_seq_low (void) const;
- void clock_seq_low (u_char);
-
- UUID_Node & node (void);
- const UUID_Node & node (void) const;
-
- void node (const UUID_Node & node);
-
- ACE_CString* thr_id (void);
- void thr_id (char*);
-
- ACE_CString* pid (void);
- void pid (char*);
-
- /// Returns a string representation of the UUID
- const ACE_CString* to_string (void) const;
-
- /// Set the value using a string
- void from_string (const ACE_CString& uuid_string);
-
- /// NIL UUID
- static const UUID NIL_UUID;
-
- /// Equality Operations
- bool operator == (const UUID &right) const;
- bool operator != (const UUID &right) const;
-
- /// Compute a hash value for the UUID.
- unsigned long hash (void) const;
-
- /// Assign an existing UUID to this UUID.
- const UUID & operator = (const UUID & rhs);
-
- private:
- /// Initialize the UUID
- void init (void);
-
- /**
- * Helper method to convert from a string UUID.
- *
- * @param[in] uuid_string String version of UUID.
- */
- void from_string_i (const ACE_CString& uuid_string);
-
- /// Data Members for Class Attributes
- struct data
- {
- /// Time low.
- ACE_UINT32 time_low_;
-
- /// Time mid.
- ACE_UINT16 time_mid_;
-
- /// Time high and version.
- ACE_UINT16 time_hi_and_version_;
-
- /// Clock sequence high and reserved space.
- u_char clock_seq_hi_and_reserved_;
-
- /// Clock sequence low.
- u_char clock_seq_low_;
-
- /// MAC-address within the UUID.
- UUID_Node node_;
- } uuid_;
-
- ACE_CString thr_id_;
- ACE_CString pid_;
-
- /// The string representation of the UUID. This is created and
- /// updated only on demand.
- mutable ACE_Auto_Ptr <ACE_CString> as_string_;
- };
-
- /**
- * @class ACE_UUID_Generator
- *
- * Singleton class that generates UUIDs.
- *
- */
- class ACE_Export UUID_Generator
- {
- public:
-
- enum {ACE_UUID_CLOCK_SEQ_MASK = 0x3FFF};
-
- /// Default constructor.
- UUID_Generator(void);
-
- /// Destructor.
- ~UUID_Generator();
-
- /// Initialize the UUID generator
- /// @deprecated This method may go away in some future release.
- void init (void);
-
- /// Format timestamp, clockseq, and nodeID into an UUID of the
- /// specified version and variant. For generating UUID's with
- /// thread and process ids use variant=0xc0
- void generate_UUID (UUID&, ACE_UINT16 version=0x0001, u_char variant=0x80);
-
- /// Format timestamp, clockseq, and nodeID into a VI UUID. For
- /// generating UUID's with thread and process ids use variant=0xc0
- UUID* generate_UUID (ACE_UINT16 version=0x0001, u_char variant=0x80);
-
- /// Type to represent UTC as a count of 100 nanosecond intervals
- /// since 00:00:00.00, 15 October 1582.
- typedef ACE_UINT64 UUID_Time;
-
- /// The locking strategy prevents multiple generators from accessing
- /// the UUID_state at the same time. Get the locking strategy.
- ACE_SYNCH_MUTEX* lock (void);
-
- /// Set a new locking strategy and return the old one.
- void lock (ACE_SYNCH_MUTEX* lock, bool release_lock);
-
- private:
- /// The system time when that last uuid was generated.
- UUID_Time time_last_;
-
- /// Type to contain the UUID generator persistent state. This will
- /// be kept in memory mapped shared memory
- struct UUID_State
- {
- UUID_Time timestamp;
- UUID_Node node;
- ACE_UINT16 clock_sequence;
- };
-
- /// Obtain a UUID timestamp. Compensate for the fact that the time
- /// obtained from getSystem time has a resolution less than 100ns.
- void get_timestamp (UUID_Time& timestamp);
-
- /// Obtain a UUID timestamp and clock sequence. Compensate for the
- /// fact that the time obtained from getSystem time has a
- /// resolution less than 100ns.
- void get_timestamp_and_clocksequence (UUID_Time& timestamp,
- ACE_UINT16& clockSequence);
-
- /// Obtain the system time in UTC as a count of 100 nanosecond intervals
- /// since 00:00:00.00, 15 October 1582 (the date of Gregorian reform to
- /// the Christian calendar).
- void get_systemtime( UUID_Time& timeNow);
-
- /// The UUID generator persistent state.
- UUID_State uuid_state_;
-
- ACE_SYNCH_MUTEX* lock_;
-
- bool destroy_lock_;
-
- /// Initalization state of the generator.
- bool is_init_;
- };
-
- typedef ACE_Singleton <ACE_Utils::UUID_Generator, ACE_SYNCH_MUTEX>
- UUID_GENERATOR;
-}
-
-ACE_SINGLETON_DECLARE (ACE_Singleton, ACE_Utils::UUID_Generator, ACE_SYNCH_MUTEX)
-
-ACE_END_VERSIONED_NAMESPACE_DECL
-
-#if defined (__ACE_INLINE__)
-#include "ace/UUID.inl"
-#endif /* __ACE_INLINE__ */
-
-#include /**/ "ace/post.h"
-#endif // ACE_UUID_H
-