added ace + vcproj for win

--HG-- branch : trunk
2010-06-07 19:10:55 +02:00
parent 2e0f8fb6e5
commit 32546e2282
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+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Remote_Tokens.h
+ *
+ *  $Id: Remote_Tokens.h 80826 2008-03-04 14:51:23Z wotte $
+ *
+ *  @author Douglas C. Schmidt ([email protected])
+ *  @author Tim Harrison ([email protected])
+ */
+//=============================================================================
+
+#ifndef ACE_REMOTE_MUTEX_H
+#define ACE_REMOTE_MUTEX_H
+
+#include /**/ "ace/pre.h"
+
+#include "ace/INET_Addr.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/SOCK_Connector.h"
+#include "ace/SOCK_Stream.h"
+#include "ace/Synch_Options.h"
+#include "ace/Local_Tokens.h"
+#include "ace/Token_Request_Reply.h"
+
+#if defined (ACE_HAS_TOKENS_LIBRARY)
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class ACE_Remote_Token_Proxy
+ *
+ * @brief Proxy for acquiring, renewing, and releasing a distributed
+ * synchronization token.
+ *
+ * The Remote_Token_Proxy class implements the mechanisms for
+ * distributed token operations.  It is similar to the
+ * ACE_Token_Proxy.
+ * = BUGS
+ * Distributed sleep_hooks have not been implemented.  <owner_id>
+ * is not implemented.
+ */
+class ACE_Export ACE_Remote_Token_Proxy : public ACE_Token_Proxy
+{
+public:
+  /// Null construction.
+  ACE_Remote_Token_Proxy (void);
+
+  /// Death.
+  virtual ~ACE_Remote_Token_Proxy (void);
+
+  /**
+   * Same as Token_Proxy. @a name is the string uniquely identifying
+   * the token.  <ignore_deadlock> can be 1 to disable deadlock
+   * notifications.  <debug> prints debug messages.
+   */
+  int open (const ACE_TCHAR *name,
+            int ignore_deadlock = 0,
+            int debug = 0);
+
+
+  /**
+   * Open a connection with the token server.  This only need be used
+   * when the user wishes to explicitly open a connection to check if
+   * the server exists.  Connections are stored in the
+   * ACE_Token_Connections singleton as thread-specific data.  That
+   * is, every thread has only one connection that is used for all
+   * remote tokens.
+   */
+  int initiate_connection (void);
+
+  /**
+   * Acquire the distributed token.  If notify is specified and the
+   * token is already held, the owner is notified.  options contains
+   * the timeout value for the acquire call.  The timer is kept at the
+   * token server.  Asynchronous operations are not supported.
+   * Returns 0 on success, -1 on failure with @c errno == problem.
+   */
+  virtual int acquire (int notify = 0,
+                       void (*sleep_hook)(void *) = 0,
+                       ACE_Synch_Options &options =
+                       ACE_Synch_Options::synch);
+
+  /**
+   * Try to acquire the distributed token.  If the token is already
+   * held, the call returns without queueing the caller as a waiter.
+   * Returns 0 on success (the token was acquired), and -1 with
+   * EWOULDBLOCK if the token was already held.
+   */
+  virtual int tryacquire (void (*sleep_hook)(void *) = 0);
+
+  /**
+   * Renew the token by offering to release it if there are any other
+   * waiters, otherwise get the token back immediately.  This renew
+   * has the same semantics as ACE_Local_Mutex release.  It is
+   * semantically equivalent to <release> followed by <acquire>, but
+   * it is faster.  options contains the timeout value used if renew
+   * blocks.  As with acquire, the timer is maintained at the token
+   * server.  If there are waiters and requeue_position == -1, the
+   * caller is queued at the rear of the waiter list.  Otherwise,
+   * requeue_position specifies the number of waiters to "let by"
+   * before reacquiring the token (effectively, the position in the
+   * waiter list.)
+   */
+  virtual int renew (int requeue_position = 0,
+                     ACE_Synch_Options &options =
+                     ACE_Synch_Options::synch);
+
+  /**
+   * Release the distributed token. Similar to ACE_Local_Mutex, if the
+   * caller is not the owner, it is removed from the waiter list (if
+   * applicable.) Returns 0 on success, -1 on failure with @c errno ==
+   * problem.
+   */
+  virtual int release (ACE_Synch_Options &options =
+                       ACE_Synch_Options::synch);
+
+  /// Become interface compliant for ACE_Guard<>.  This has no
+  /// functionality.
+  virtual int remove (ACE_Synch_Options &options =
+                      ACE_Synch_Options::synch);
+
+  /// Override the default to do nothing.
+  virtual void token_acquired (ACE_TPQ_Entry *);
+
+  /// The client id of the current token holder
+  virtual const ACE_TCHAR* owner_id (void);
+
+  /**
+   * Sets the server address for all instances of ACE_Remote_Token_Proxy
+   * If this isn't called, the environment variable TOKEN_SERVER is
+   * checked for the server address.  If that is not specified, all
+   * ACE_Remote_** operations will fail.
+   */
+  static void set_server_address (const ACE_INET_Addr &server_address);
+
+  /// Dump the state of the class.
+  void dump (void) const;
+
+protected:
+
+  /// If shadows report deadlock, go remote anyway
+  int ignore_shadow_deadlock_;
+
+  /// Perform the request and wait for the reply.
+  int request_reply (ACE_Token_Request &request,
+                     ACE_Synch_Options &options);
+};
+
+/**
+ * @class ACE_Remote_Mutex
+ *
+ * @brief Proxy for acquiring, renewing, and releasing a distributed
+ * mutex.
+ *
+ * This is the remote equivalent to ACE_Local_Mutex.  The
+ * Remote_Mutex class offers methods for acquiring, renewing, and
+ * releasing a distributed synchronization mutex.  Similar to
+ * ACE_Local_Mutex, ACE_Remote_Token_Proxy offers recursive
+ * acquisition, FIFO waiter ordering, and deadlock detection.  It
+ * depends on the Token Server for its distributed synchronization
+ * semantics.
+ */
+class ACE_Export ACE_Remote_Mutex : public ACE_Remote_Token_Proxy
+{
+public:
+  /// Null creation.  Remote_Token_Proxy::open must be called.
+  ACE_Remote_Mutex (void);
+
+  /// Calls Remote_Token_Proxy::open for you.
+  ACE_Remote_Mutex (const ACE_TCHAR *token_name,
+                    int ignore_deadlock = 0,
+                    int debug = 0);
+
+  /// Dump the state of the class.
+  void dump (void) const;
+
+  /// Return deep copy.
+  virtual ACE_Token_Proxy *clone (void) const;
+
+protected:
+  /// Make the correct type of ACE_Tokens.
+  /// This is called by the ACE_Token_Manager.
+  virtual ACE_Tokens *create_token (const ACE_TCHAR *name);
+};
+
+/**
+ * @class ACE_Remote_RLock
+ *
+ * @brief Proxy for acquiring, renewing, and releasing a distributed
+ * readers lock.
+ *
+ * This is the remote equivalent to ACE_Local_RLock. Multiple
+ * readers can hold the lock simultaneously when no writers have
+ * the lock.  Alternatively, when a writer holds the lock, no other
+ * participants (readers or writers) may hold the lock.
+ * ACE_Remote_RLock depends on the ACE Token Server for its
+ * distributed synchronization semantics.
+ */
+class ACE_Export ACE_Remote_RLock : public ACE_Remote_Token_Proxy
+{
+public:
+  ACE_Remote_RLock (void);
+
+  ACE_Remote_RLock (const ACE_TCHAR *token_name,
+                    int ignore_deadlock = 0,
+                    int debug = 0);
+
+  ACE_Remote_RLock (const ACE_Remote_RLock &mutex);
+
+  /// Dump the state of the class.
+  void dump (void) const;
+
+  /// Returns ACE_RW_Token::RLOCK;
+  virtual int type (void) const;
+
+  /// Return deep copy.
+  virtual ACE_Token_Proxy *clone (void) const;
+
+protected:
+  /// Make the correct type of ACE_Tokens.  This is called by the Token
+  /// Manager.
+  virtual ACE_Tokens *create_token (const ACE_TCHAR *name);
+};
+
+/**
+ * @class ACE_Remote_WLock
+ *
+ * @brief Proxy for acquiring, renewing, and releasing a distributed
+ * writers lock.
+ *
+ * Shields applications from details of interacting with the
+ * ACE_Token_Server.  The token_name_ is just the string that the
+ * Token Server uses to identify the token.  The client_id_ (also
+ * used by the Token Server,) identifies the owner of the token and
+ * is used for deadlock detection.
+ */
+class ACE_Export ACE_Remote_WLock : public ACE_Remote_Token_Proxy
+{
+public:
+  ACE_Remote_WLock (void);
+
+  ACE_Remote_WLock (const ACE_TCHAR *token_name,
+                    int ignore_deadlock = 0,
+                    int debug = 0);
+
+  ACE_Remote_WLock (const ACE_Remote_WLock &mutex);
+
+  /// Dump the state of the class.
+  void dump (void) const;
+
+  /// Returns ACE_RW_Token::WLOCK;
+  virtual int type (void) const;
+
+  /// Return deep copy.
+  virtual ACE_Token_Proxy *clone (void) const;
+
+protected:
+  /// Make the correct type of ACE_Tokens.  This is called by the Token
+  /// Manager.
+  virtual ACE_Tokens *create_token (const ACE_TCHAR *name);
+};
+
+/**
+ * @class ACE_TSS_Connection
+ *
+ * @brief Class for providing a connection per thread.
+ *
+ * ACE_TSS_Connection provides a single access point for all
+ * threads to access thread-specific connections.  This prevents
+ * resource-sharing problems such as thread serialization.
+ */
+class ACE_Export ACE_TSS_Connection : public ACE_TSS<ACE_SOCK_Stream>
+{
+public:
+  // Necessary to make some compilers work...
+  ACE_TSS_Connection (void);
+  ~ACE_TSS_Connection (void);
+
+  /// Retrieve the thread's connection
+  ACE_SOCK_Stream *get_connection (void);
+
+  /// Factory Method that creates a new SOCK Stream.
+  virtual ACE_SOCK_Stream *make_TSS_TYPE (void) const;
+
+  /// Inheritence and operator overloading don't mix.  Redefine this
+  /// from ACE_TSS so that we can use it.
+  operator ACE_SOCK_Stream *(void);
+
+  /// Set the server address.
+  static void set_server_address (const ACE_INET_Addr &server_address);
+
+  /// Dump the state of the class.
+  void dump (void) const;
+
+protected:
+  /// The address of the Token Server used by all instances of
+  /// Token_Proxy.
+  static ACE_INET_Addr server_address_;
+
+private:
+  /// Private: should not be used
+  ACE_TSS_Connection (const ACE_TSS_Connection &);
+  void operator= (const ACE_TSS_Connection &);
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* ACE_HAS_TOKENS_LIBRARY */
+
+#if defined (__ACE_INLINE__)
+#include "ace/Remote_Tokens.inl"
+#endif /* __ACE_INLINE__ */
+
+#include /**/ "ace/post.h"
+
+#endif /* ACE_REMOTE_TOKEN_H */