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

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Diff for /pegasus/src/Pegasus/Common/System.h between version 1.3 and 1.17

version 1.3, 2001/04/12 07:25:20

version 1.17, 2002/02/20 23:12:04

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//BEGIN_LICENSE

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// ALL COPIES OR SUBSTANTIAL PORTIONS OF 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.

// 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.

//END_LICENSE

// Author: Mike Brasher (mbrasher@bmc.com)

//BEGIN_HISTORY

// Author: Michael E. Brasher

// Modified By:

// Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)

// $Log$

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

// Revision 1.3 2001/04/12 07:25:20 mike

// Replaced ACE with new Channel implementation.

// Removed all ACE dependencies.

// Revision 1.1 2001/04/11 00:23:44 mike

// new files

//END_HISTORY

#ifndef Pegasus_System_h

#define Pegasus_System_h

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/String.h>

// Protocal Type

#define TCP "tcp"

PEGASUS_NAMESPACE_BEGIN

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typedef struct DynamicSymbolHandle_* DynamicSymbolHandle;

/** The System class defines wrappers for operating system related calls.

These are only placed here if they are extremely light. These are

usually just direct wrappers which map more or less one to one to the

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class PEGASUS_COMMON_LINKAGE System

{

public:

/** 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.

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

@return The value is returned in the parameters.

The time returned is as defined in number of seconds and milliseconds

since 00:00 Coordinated Universal Time (UTC), January 1, 1970,

static void getCurrentTime(Uint32& seconds, Uint32& milliseconds);

/** getCurrentASCIITime Gets time/date in a fixed format. The format is

YY MM DD-HH:MM:SS

@return Returns String with the ASCII time date.

static String getCurrentASCIITime();

static void sleep(Uint32 seconds);

static Boolean exists(const char* path);

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static DynamicLibraryHandle loadDynamicLibrary(const char* fileName);

static void unloadDynamicLibrary(DynamicLibraryHandle libraryHandle);

static String dynamicLoadError(void);

static DynamicSymbolHandle loadDynamicSymbol(

DynamicLibraryHandle libraryHandle,

const char* symbolName);

static String getHostName();

static Uint32 lookupPort(

const char * serviceName,

Uint32 defaultPort);

static String getCurrentLoginName();

/**

This function is used to input a password with echo disabled.

The function reads up to a newline and returns a password of at most

8 characters.

@param prompt String containing the message prompt to be displayed

@return password obtained from the user

static String getPassword(const char* prompt);

/**

This function is used to encrypt the user's password.

The encryption is compatible with Apache's password file (generated using

the htpasswd command )

@param password Password to be encrypted.

@param salt Two character string chosen from the set [a-zA-Z0-9./].

@return Encrypted password.

static String encryptPassword(const char* password, const char* salt);

/**

This function is used to verify whether specified user is a user

on the local system.

@param userName User name to be verified.

@return true if the username is valid, else false

static Boolean isSystemUser(char* userName);

/**

This function is used to check whether the user running the command is

a privileged user. On Unix implementation it checks whether the user

is a root user.

@return true if the user running the command is a

privileged user, else false

static Boolean isPrivilegedUser();

/**

This function is used to get the process ID of the calling process.

@return Process ID

static Uint32 getPID();

};

PEGASUS_NAMESPACE_END

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