SPIPE_Addr.h

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00001 // -*- C++ -*-
00002 
00003 //==========================================================================
00004 /**
00005  *  @file    SPIPE_Addr.h
00006  *
00007  *  SPIPE_Addr.h,v 4.24 2006/05/23 16:33:26 schmidt Exp
00008  *
00009  *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
00010  */
00011 //==========================================================================
00012 
00013 #ifndef ACE_SPIPE_ADDR_H
00014 #define ACE_SPIPE_ADDR_H
00015 
00016 #include /**/ "ace/pre.h"
00017 
00018 #include "ace/ACE_export.h"
00019 
00020 #if !defined (ACE_LACKS_PRAGMA_ONCE)
00021 # pragma once
00022 #endif /* ACE_LACKS_PRAGMA_ONCE */
00023 
00024 #include "ace/Addr.h"
00025 #include "ace/os_include/sys/os_types.h"
00026 #include "ace/os_include/os_dirent.h"
00027 
00028 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
00029 
00030 /**
00031  * @class ACE_SPIPE_Addr
00032  *
00033  * @brief Defines the SVR4 STREAM pipe address family address format.
00034  */
00035 class ACE_Export ACE_SPIPE_Addr : public ACE_Addr
00036 {
00037 public:
00038   // = Initialization methods.
00039   /// Default constructor.
00040   ACE_SPIPE_Addr (void);
00041 
00042   /// Copy constructor.
00043   ACE_SPIPE_Addr (const ACE_SPIPE_Addr &sa);
00044 
00045   /// Create a ACE_SPIPE_Addr from a rendezvous point in the file
00046   /// system.
00047   ACE_SPIPE_Addr (const ACE_TCHAR *rendezvous_point, gid_t = 0, uid_t = 0);
00048 
00049   /// Acts like a copy constructor...
00050   int set (const ACE_SPIPE_Addr &sa);
00051 
00052   /// Create a ACE_SPIPE_Addr from a rendezvous point in the file
00053   /// system.
00054   int set (const ACE_TCHAR *rendezvous_point, gid_t = 0, uid_t = 0);
00055 
00056   /// Return a pointer to the address.
00057   virtual void *get_addr (void) const;
00058 
00059   /// Set a pointer to the underlying network address.
00060   virtual void set_addr (void *addr, int len);
00061 
00062   /// Transform the current address into string format.
00063   virtual int addr_to_string (ACE_TCHAR *addr, size_t) const;
00064 
00065   /// Transform the string into the current addressing format.
00066   virtual int string_to_addr (const ACE_TCHAR *addr);
00067 
00068   // = Equality/inequality tests
00069   /// Check for equality.
00070   bool operator == (const ACE_SPIPE_Addr &SAP) const;
00071 
00072   /// Check for inequality
00073   bool operator != (const ACE_SPIPE_Addr &SAP) const;
00074 
00075   // = SPIPE-specific address operations
00076   /// Pathname of rendezvous point in file system.
00077   const ACE_TCHAR *get_path_name (void) const;
00078 
00079   /// Get user id.
00080   uid_t user_id (void) const;
00081 
00082   /// Set user id.
00083   void user_id (uid_t uid);
00084 
00085   /// Set group ids.
00086   void group_id (gid_t gid);
00087 
00088   /// Get group ids.
00089   gid_t group_id (void) const;
00090 
00091   /// Dump the state of an object.
00092   void dump (void) const;
00093 
00094   /// Declare the dynamic allocation hooks.
00095   ACE_ALLOC_HOOK_DECLARE;
00096 
00097 private:
00098   /// Contains security attributes.
00099   struct SPIPE_Addr
00100   {
00101     /// Group id.
00102     gid_t gid_;
00103 
00104     /// User id.
00105     uid_t uid_;
00106 
00107     /// Pathname in the file system.
00108     ACE_TCHAR rendezvous_[MAXPATHLEN + 1];
00109 
00110   } SPIPE_addr_;
00111   // Contents of an SPIPE address.
00112 };
00113 
00114 ACE_END_VERSIONED_NAMESPACE_DECL
00115 
00116 #if defined (__ACE_INLINE__)
00117 #include "ace/SPIPE_Addr.inl"
00118 #endif /* __ACE_INLINE__ */
00119 
00120 #include /**/ "ace/post.h"
00121 
00122 #endif /* ACE_SPIPE_ADDR_H */

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