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Diffstat (limited to 'ACE/ace/UUID.h')
| -rw-r--r-- | ACE/ace/UUID.h | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/ACE/ace/UUID.h b/ACE/ace/UUID.h deleted file mode 100644 index 5be6a4c065a..00000000000 --- a/ACE/ace/UUID.h +++ /dev/null @@ -1,239 +0,0 @@ -// -*- C++ -*- - -//============================================================================= -/** - * @file UUID.h - * - * $Id$ - * - * @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/SString.h" -#include "ace/Singleton.h" -#include "ace/Synch_Traits.h" - -ACE_BEGIN_VERSIONED_NAMESPACE_DECL - -namespace ACE_Utils -{ - /// Class to hold a MAC address - class ACE_Export UUID_Node - { - public: - - /// Constructor - UUID_Node (void); - - enum {NODE_ID_SIZE = 6}; - typedef u_char Node_ID[NODE_ID_SIZE]; - - Node_ID &node_ID (void); - void node_ID (Node_ID&); - - ///// Equality Operations - bool operator == (const UUID_Node& right) const; - bool operator != (const UUID_Node& right) const; - - ///// Relational Operations - //bool operator < (const UUID_Node& right) const; - - private: - 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: - - /// 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; - void node (UUID_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); - - /// Set the value using a string - void from_string (const ACE_CString& uuid_string); - - static UUID NIL_UUID; - - /// Equality Operations - bool operator== (const UUID &right) const; - bool operator!= (const UUID &right) const; - - /// Relational Operations - //bool operator< (const UUID &right) const; - //bool operator> (const UUID &right) const; - //bool operator<= (const UUID &right) const; - //bool operator>= (const UUID &right) const; - - private: - void from_string_i (const ACE_CString& uuid_string); - - UUID& operator= (const UUID&); - - /// Data Members for Class Attributes - ACE_UINT32 time_low_; - ACE_UINT16 time_mid_; - ACE_UINT16 time_hi_and_version_; - u_char clock_seq_hi_and_reserved_; - u_char clock_seq_low_; - UUID_Node* node_; - bool node_release_; - ACE_CString thr_id_; - ACE_CString pid_; - - /// The string representation of the UUID. This is created and - /// updated only on demand. - 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}; - - UUID_Generator(); - ~UUID_Generator(); - - 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_; - }; - - typedef ACE_Singleton<UUID_Generator, ACE_SYNCH_MUTEX> UUID_GENERATOR; - -} - -ACE_END_VERSIONED_NAMESPACE_DECL - -#if defined (__ACE_INLINE__) -#include "ace/UUID.inl" -#endif /* __ACE_INLINE__ */ - -#include /**/ "ace/post.h" -#endif // ACE_UUID_H - |