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Diff for /pegasus/src/Pegasus/Common/System.h between version 1.68.4.1 and 1.82

version 1.68.4.1, 2007/06/01 18:03:22 version 1.82, 2008/02/11 11:56:05
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 #include <Pegasus/Common/Config.h> #include <Pegasus/Common/Config.h>
 #include <Pegasus/Common/String.h> #include <Pegasus/Common/String.h>
   #include <Pegasus/Common/Array.h>
 #include <Pegasus/Common/Linkage.h> #include <Pegasus/Common/Linkage.h>
 #include <Pegasus/Common/Logger.h> #include <Pegasus/Common/Logger.h>
   #include <Pegasus/Common/Network.h>
 #include <sys/stat.h> #include <sys/stat.h>
  
  
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 #ifndef mode_t #ifndef mode_t
 typedef unsigned long mode_t; typedef unsigned long mode_t;
 #endif #endif
   #include <windows.h>
 #endif #endif
  
 #if defined (PEGASUS_OS_TYPE_UNIX) || (PEGASUS_OS_VMS)  #if defined (PEGASUS_OS_TYPE_UNIX) || \
 # ifndef PEGASUS_OS_OS400      defined (PEGASUS_OS_VMS)
 #  include <unistd.h> #  include <unistd.h>
 # endif  
 # include <fcntl.h>  // File locking # include <fcntl.h>  // File locking
 # define PEGASUS_UID_T uid_t # define PEGASUS_UID_T uid_t
 # define PEGASUS_GID_T gid_t # define PEGASUS_GID_T gid_t
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 # define PEGASUS_GID_T Uint32 # define PEGASUS_GID_T Uint32
 #endif #endif
  
   #if defined(PEGASUS_OS_TYPE_WINDOWS)
   #  define PEGASUS_SYSTEM_ERRORMSG_NLS \
         System::getErrorMSG_NLS(GetLastError(),0)
   #  define PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS \
         System::getErrorMSG_NLS(WSAGetLastError(),0)
   #  define PEGASUS_SYSTEM_ERRORMSG \
         System::getErrorMSG(GetLastError(),0)
   #  define PEGASUS_SYSTEM_NETWORK_ERRORMSG \
         System::getErrorMSG(WSAGetLastError(),0)
   #elif defined(PEGASUS_OS_ZOS)
   #  define PEGASUS_SYSTEM_ERRORMSG_NLS \
         System::getErrorMSG_NLS(errno,__errno2())
   #  define PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS \
         System::getErrorMSG_NLS(errno,__errno2())
   #  define PEGASUS_SYSTEM_ERRORMSG \
         System::getErrorMSG(errno,__errno2())
   #  define PEGASUS_SYSTEM_NETWORK_ERRORMSG \
         System::getErrorMSG(errno,__errno2())
   #else
   #  define PEGASUS_SYSTEM_ERRORMSG_NLS \
         System::getErrorMSG_NLS(errno,0)
   #  define PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS \
         System::getErrorMSG_NLS(errno,0)
   #  define PEGASUS_SYSTEM_ERRORMSG \
         System::getErrorMSG(errno,0)
   #  define PEGASUS_SYSTEM_NETWORK_ERRORMSG \
         System::getErrorMSG(errno,0)
   #endif
   
 // //
 // Protocal Type // Protocal Type
 // //
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 class PEGASUS_COMMON_LINKAGE System class PEGASUS_COMMON_LINKAGE System
 { {
 public: public:
   
       /* Creates a String object containing the system message
          from  the errno and if supported from a second level error
          number. The _NLS Method is looking up an internationalized version of
          the message.
           @param errorCode  The system errno.
           @param errorCode2 The secondary error number like errno2 on z/OS
       */
       static String getErrorMSG_NLS(int errorCode,int errorCode2);
       static String getErrorMSG(int errorCode,int errorCode2);
   
     /** getCurrentTime - Gets the current time as seconds and milliseconds     /** getCurrentTime - Gets the current time as seconds and milliseconds
     into the provided variables using system functions.     into the provided variables using system functions.
     @param seconds Return for the seconds component of the time.     @param seconds Return for the seconds component of the time.
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     static String getHostName();     static String getHostName();
     static String getFullyQualifiedHostName ();     static String getFullyQualifiedHostName ();
     static String getSystemCreationClassName ();     static String getSystemCreationClassName ();
     static String getHostIP(const String &hostName);  
   
     static Uint32 _acquireIP(const char* hostname);  
  
     static Uint32 lookupPort(      // The following 2 methods are wrappers around system functions
         const char * serviceName,      // gethostbyname/gethostbyaddr or gethostbyname_r/gethostbyaddr_r.
         Uint32 defaultPort);      // In addition to calling corresponding system functions, these
       // methods introduce re-tries when errno is set to TRY_AGAIN.
       // Optional parameters are required to cover systems which use '_r'
       // versions of the system functions.
       static struct hostent* getHostByName(
           const char* name,
           struct hostent* he = 0,
           char* buf = 0,
           size_t len = 0);
       static struct hostent* getHostByAddr(
           const char *addr,
           int len,
           int type,
           struct hostent* he = 0,
           char* buf = 0,
           size_t buflen = 0);
   
   #if defined(PEGASUS_OS_ZOS) || \
       defined(PEGASUS_OS_VMS) || \
       defined(PEGASUS_ENABLE_IPV6)
   
       // The following 2 methods are wrappers around system functions
       // getaddrinfo/getnameinfo.
       // In addition to calling corresponding system functions, these
       // methods introduce re-tries on EAI_AGAIN error returns.
       static int getAddrInfo(
           const char *hostname,
           const char *servname,
           const struct addrinfo *hints,
           struct addrinfo **res);
       static int getNameInfo(
           const struct sockaddr *sa,
           size_t salen,
           char *host,
           size_t hostlen,
           char *serv,
           size_t servlen,
           int flags);
  
     /**  #endif
         Attempts to validate that the input hostName represents the same host as  
         the host represented by the value returned by the  
         getFullyQualifiedHostName() method.  
  
         @param  hostName  the host name to validate      // Gets IP address assosiated with hostName. af indicates the
       // type of address (ipv4 or ipv6) returned.
       static Boolean getHostIP(const String &hostName, int *af, String &hostIP);
   
       // Gets IP address in binary form. af indicates the type of
       // address (ipv4 or ipv6) returned. Address will be copied to dst.
       static Boolean acquireIP(const char* hostname, int *af, void *dst);
   
       /**
           Returns true if IPv6 stack is active by checking return code from
           Socket::createSocket() and getSocketError() calls.
   
           ATTN: We return true if some error other than
           PEGASUS_INVALID_ADDRESS_FAMILY is returned while creating the socket
           because we will not be sure whether the IPv6 stack is active or not
           from the returned error code. Return value of "true" from this method
           should not be trusted absolutely.
       */
   #ifdef PEGASUS_ENABLE_IPV6
       static Boolean isIPv6StackActive();
   #endif
  
         @return  True if the input hostName can be validated to represent the      /**
                  same host;          Returns all interface addresses. Both ip4 and ip6 interface addresses
                  False otherwise          will be returned.
      */      */
     static Boolean sameHost (const String & hostName);      static Array<String> getInterfaceAddrs();
   
       static Uint32 lookupPort(
           const char * serviceName,
           Uint32 defaultPort);
  
     /**     /**
         Attempts to find the given IP address(32bit) on any of the local defined         Attempts to find the given IP address(32bit) on any of the local defined
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      */      */
     static Boolean isLocalHost(const String& hostName);     static Boolean isLocalHost(const String& hostName);
  
       /**
           Checks binIPAddress represented by address family and returns true
           if binary representation matches with loopback ip address. binIPAddress
           must be in host-byte order.
       */
       static Boolean isLoopBack(int af, void *binIPAddress);
   
     static String getEffectiveUserName();     static String getEffectiveUserName();
  
     /**     /**
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         @return          True if the user and group IDs were retrieved         @return          True if the user and group IDs were retrieved
                          successfully, false otherwise.                          successfully, false otherwise.
     */     */
 #ifndef PEGASUS_OS_OS400  
     static Boolean lookupUserId(     static Boolean lookupUserId(
         const char* userName,         const char* userName,
         PEGASUS_UID_T& uid,         PEGASUS_UID_T& uid,
         PEGASUS_GID_T& gid);         PEGASUS_GID_T& gid);
 #endif  
  
     /**     /**
         Changes the process user context to the specified user and group.         Changes the process user context to the specified user and group.
         IMPORTANT:  This method uses non-reentrant functions and should only          IMPORTANT:  This method is not reentrant and not async signal safe.
         be called in a single-threaded program.          It should only be called in a single-threaded program.
         @param userName  User name to set as the process user context.         @param userName  User name to set as the process user context.
         @param uid       User ID to set as the process user context.         @param uid       User ID to set as the process user context.
         @param gid       Group ID to set as the process group context.         @param gid       Group ID to set as the process group context.
         @return          True if the user context is successfully changed,         @return          True if the user context is successfully changed,
                          false otherwise.                          false otherwise.
     */     */
 #ifndef PEGASUS_OS_OS400  
     static Boolean changeUserContext_SingleThreaded(     static Boolean changeUserContext_SingleThreaded(
         const char* userName,         const char* userName,
         const PEGASUS_UID_T& uid,         const PEGASUS_UID_T& uid,
         const PEGASUS_GID_T& gid);         const PEGASUS_GID_T& gid);
 #endif  
  
     /**     /**
         This function is used to get the process ID of the calling process.         This function is used to get the process ID of the calling process.
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     struct flock _fl;     struct flock _fl;
     int _fd;     int _fd;
 #endif #endif
   #ifdef PEGASUS_OS_TYPE_WINDOWS
       HANDLE _hFile;
   #endif
 }; };
  
 PEGASUS_NAMESPACE_END PEGASUS_NAMESPACE_END

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