pegasus/src/Pegasus/Common/System.h - diff

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Diff for /pegasus/src/Pegasus/Common/System.h between version 1.76 and 1.88

version 1.76, 2007/09/11 17:56:33

version 1.88, 2010/04/09 08:23:14

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//%2006////////////////////////////////////////////////////////////////////////

//%LICENSE////////////////////////////////////////////////////////////////

// Licensed to The Open Group (TOG) under one or more contributor license

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// agreements. Refer to the OpenPegasusNOTICE.txt file distributed with

// this work for additional information regarding copyright ownership.

// IBM Corp.; EMC Corporation, The Open Group.

// Each contributor licenses this file to you under the OpenPegasus Open

// Source License; you may not use this file except in compliance with the

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// License.

// EMC Corporation; VERITAS Software Corporation; The Open Group.

// EMC Corporation; Symantec Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// Permission is hereby granted, free of charge, to any person obtaining a

// of this software and associated documentation files (the "Software"), to

// copy of this software and associated documentation files (the "Software"),

// deal in the Software without restriction, including without limitation the

// to deal in the Software without restriction, including without limitation

// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

// the rights to use, copy, modify, merge, publish, distribute, sublicense,

// sell copies of the Software, and to permit persons to whom the Software is

// and/or sell copies of the Software, and to permit persons to whom the

// furnished to do so, subject to the following conditions:

// Software is furnished to do so, subject to the following conditions:

// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN

// The above copyright notice and this permission notice shall be included

// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED

// in all copies or substantial portions of the Software.

// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//==============================================================================

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//////////////////////////////////////////////////////////////////////////

//%/////////////////////////////////////////////////////////////////////////////

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#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/String.h>

#include <Pegasus/Common/Array.h>

#include <Pegasus/Common/Linkage.h>

#include <Pegasus/Common/Logger.h>

#include <Pegasus/Common/Network.h>

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#include <windows.h>

#endif

#if defined (PEGASUS_OS_TYPE_UNIX) || (PEGASUS_OS_VMS)

#if defined (PEGASUS_OS_TYPE_UNIX) || \

defined (PEGASUS_OS_VMS)

# include <unistd.h>

# include <fcntl.h> // File locking

# define PEGASUS_UID_T uid_t

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# define PEGASUS_GID_T Uint32

#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

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class PEGASUS_COMMON_LINKAGE System

{

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

into the provided variables using system functions.

@param seconds Return for the seconds component of the time.

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static Boolean removeFile(const char* path);

/**

Renames a file. If the new name refers to an existing file, it is

removed and replaced with the renamed file. The rename operation is

performed atomically.

@param oldPath A character string containing the name of the file to

rename.

@param newPath A character string containing the name to which to

rename the file.

@return A Boolean indicating whether the rename operation was

successful.

static Boolean renameFile(const char* oldPath, const char* newPath);

static Boolean copyFile(const char* fromPath, const char* toPath);

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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

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size_t servlen,

int flags);

#endif

// 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);

static Boolean acquireIP(const char* hostname, int *af, void *dst);

/**

Returns true if IPv6 stack is active by checking return code from

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static Boolean isIPv6StackActive();

#endif

/**

Returns all interface addresses. Both ip4 and ip6 interface addresses

will be returned.

static Array<String> getInterfaceAddrs();

static Uint32 lookupPort(

const char * serviceName,

Uint32 defaultPort);

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/**

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 uid User ID to set as the process user context.

@param gid Group ID to set as the process group context.

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static Boolean truncateFile(const char* path, size_t newSize);

/** Compare two strings but ignore any case differences.

This method is provided only because some platforms lack a strcasecmp

This method is provided only because some platforms lack a fast enough

function in the standard library.

strcasecmp function in the standard library.

static Sint32 strcasecmp(const char* s1, const char* s2);

/** Compare two strings for equality but ignore any case differences.

This method should only be used if length of both strings is

known already. If not, please use System::strcasecmp()

static bool strncasecmp(

const char* s1,

size_t s1_l,

const char* s2,

size_t s2_l);

/** Return just the file or directory name from the path into basename.

This method returns a file or directory name at the end of a path.

The path can be relative or absolute. If the path is the root,

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// System ID constants for Logger::put and Logger::trace

static const String CIMLISTENER;

// mutex used for synchronising threads calling getHostName.

static MutexType _mutexForGetHostName;

// mutex used for synchronising threads calling getFullyQualifiedHostName

static MutexType _mutexForGetFQHN;

};

/**

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Removed from v.1.76
changed lines
	Added in v.1.88

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