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Diffstat (limited to 'dep/acelite/ace/UUID.h')
-rw-r--r-- | dep/acelite/ace/UUID.h | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/dep/acelite/ace/UUID.h b/dep/acelite/ace/UUID.h deleted file mode 100644 index ae43c145dbb..00000000000 --- a/dep/acelite/ace/UUID.h +++ /dev/null @@ -1,282 +0,0 @@ -// -*- 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 - |