# Software Management Providers
#
# Copyright (C) 2012 Red Hat, Inc.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""Python Provider for LMI_YumFileCheck

Instruments the CIM class LMI_YumFileCheck

"""

import pywbem
from pywbem.cim_provider2 import CIMProvider2
from util.common import *

filecheck2model = YumFileCheck.filecheck_wrapper(
        'root/cimv2', 'LMI_YumFileCheck')

class LMI_YumFileCheck(CIMProvider2):
    """Instrument the CIM class LMI_YumFileCheck 

    Identifies a file contained by RPM package. It's located in directory
    identified in FileName. The Invoke methods check for file existence
    and whether its attributes match those given by RPM package.
    
    """

    def __init__ (self, env):
        logger = env.get_logger()
        logger.log_debug('Initializing provider %s from %s' \
                % (self.__class__.__name__, __file__))


    def get_instance(self, env, model):
        """Return an instance.

        Keyword arguments:
        env -- Provider Environment (pycimmb.ProviderEnvironment)
        model -- A template of the pywbem.CIMInstance to be returned.  The 
            key properties are set on this instance to correspond to the 
            instanceName that was requested.  The properties of the model
            are already filtered according to the PropertyList from the 
            request.  Only properties present in the model need to be
            given values.  If you prefer, you can set all of the 
            values, and the instance will be filtered for you. 

        Possible Errors:
        CIM_ERR_ACCESS_DENIED
        CIM_ERR_INVALID_PARAMETER (including missing, duplicate, unrecognized 
            or otherwise incorrect parameters)
        CIM_ERR_NOT_FOUND (the CIM Class does exist, but the requested CIM 
            Instance does not exist in the specified namespace)
        CIM_ERR_FAILED (some other unspecified error occurred)

        """
        
        logger = env.get_logger()
        logger.log_debug('Entering %s.get_instance()' \
                % self.__class__.__name__)

        vpkg = YumFileCheck.object_path2yumcheck(env, model.path)
        pkg = vpkg.po
        fi = pkg.hdr.fiFromHeader()
        return filecheck2model(vpkg, model['Name'], env, False)

    def enum_instances(self, env, model, keys_only):
        """Enumerate instances.

        The WBEM operations EnumerateInstances and EnumerateInstanceNames
        are both mapped to this method. 
        This method is a python generator

        Keyword arguments:
        env -- Provider Environment (pycimmb.ProviderEnvironment)
        model -- A template of the pywbem.CIMInstances to be generated.  
            The properties of the model are already filtered according to 
            the PropertyList from the request.  Only properties present in 
            the model need to be given values.  If you prefer, you can 
            always set all of the values, and the instance will be filtered 
            for you. 
        keys_only -- A boolean.  True if only the key properties should be
            set on the generated instances.

        Possible Errors:
        CIM_ERR_FAILED (some other unspecified error occurred)

        """

        logger = env.get_logger()
        logger.log_debug('Entering %s.enum_instances()' \
                % self.__class__.__name__)
                
        raise pywbem.CIMError(pywbem.CIM_ERR_NOT_SUPPORTED) # Remove to implement

    def set_instance(self, env, instance, modify_existing):
        """Return a newly created or modified instance.

        Keyword arguments:
        env -- Provider Environment (pycimmb.ProviderEnvironment)
        instance -- The new pywbem.CIMInstance.  If modifying an existing 
            instance, the properties on this instance have been filtered by 
            the PropertyList from the request.
        modify_existing -- True if ModifyInstance, False if CreateInstance

        Return the new instance.  The keys must be set on the new instance. 

        Possible Errors:
        CIM_ERR_ACCESS_DENIED
        CIM_ERR_NOT_SUPPORTED
        CIM_ERR_INVALID_PARAMETER (including missing, duplicate, unrecognized 
            or otherwise incorrect parameters)
        CIM_ERR_ALREADY_EXISTS (the CIM Instance already exists -- only 
            valid if modify_existing is False, indicating that the operation
            was CreateInstance)
        CIM_ERR_NOT_FOUND (the CIM Instance does not exist -- only valid 
            if modify_existing is True, indicating that the operation
            was ModifyInstance)
        CIM_ERR_FAILED (some other unspecified error occurred)

        """

        logger = env.get_logger()
        logger.log_debug('Entering %s.set_instance()' \
                % self.__class__.__name__)
        # TODO create or modify the instance
        raise pywbem.CIMError(pywbem.CIM_ERR_NOT_SUPPORTED) # Remove to implement
        return instance

    def delete_instance(self, env, instance_name):
        """Delete an instance.

        Keyword arguments:
        env -- Provider Environment (pycimmb.ProviderEnvironment)
        instance_name -- A pywbem.CIMInstanceName specifying the instance 
            to delete.

        Possible Errors:
        CIM_ERR_ACCESS_DENIED
        CIM_ERR_NOT_SUPPORTED
        CIM_ERR_INVALID_NAMESPACE
        CIM_ERR_INVALID_PARAMETER (including missing, duplicate, unrecognized 
            or otherwise incorrect parameters)
        CIM_ERR_INVALID_CLASS (the CIM Class does not exist in the specified 
            namespace)
        CIM_ERR_NOT_FOUND (the CIM Class does exist, but the requested CIM 
            Instance does not exist in the specified namespace)
        CIM_ERR_FAILED (some other unspecified error occurred)

        """ 

        logger = env.get_logger()
        logger.log_debug('Entering %s.delete_instance()' \
                % self.__class__.__name__)

        # TODO delete the resource
        raise pywbem.CIMError(pywbem.CIM_ERR_NOT_SUPPORTED) # Remove to implement
        
    def cim_method_invoke(self, env, object_name):
        """Implements LMI_YumFileCheck.Invoke()

        The Invoke method evaluates this Check. The details of the
        evaluation are described by the specific subclasses of CIM_Check.
        When the SoftwareElement being checked is already installed, the
        CIM_InstalledSoftwareElement association identifies the
        CIM_ComputerSystem in whose context the Invoke is executed. If
        this association is not in place, then the InvokeOnSystem method
        should be used - since it identifies the TargetSystem as an input
        parameter of the method. \nThe results of the Invoke method are
        based on the return value. A zero is returned if the condition is
        satisfied. A one is returned if the method is not supported. Any
        other value indicates the condition is not satisfied.
        
        Keyword arguments:
        env -- Provider Environment (pycimmb.ProviderEnvironment)
        object_name -- A pywbem.CIMInstanceName or pywbem.CIMCLassName 
            specifying the object on which the method Invoke() 
            should be invoked.

        Returns a two-tuple containing the return value (type pywbem.Uint32)
        and a list of CIMParameter objects representing the output parameters

        Output parameters: none

        Possible Errors:
        CIM_ERR_ACCESS_DENIED
        CIM_ERR_INVALID_PARAMETER (including missing, duplicate, 
            unrecognized or otherwise incorrect parameters)
        CIM_ERR_NOT_FOUND (the target CIM Class or instance does not 
            exist in the specified namespace)
        CIM_ERR_METHOD_NOT_AVAILABLE (the CIM Server is unable to honor 
            the invocation request)
        CIM_ERR_FAILED (some other unspecified error occurred)

        """

        logger = env.get_logger()
        logger.log_debug('Entering %s.cim_method_invoke()' \
                % self.__class__.__name__)

        vpkg = YumFileCheck.object_path2yumcheck(env, object_name)
        fc = YumFileCheck.test_file(env,
                YumFileCheck.checksumtype_str2pywbem(
                    vpkg.po.yumdb_info.checksum_type),
                vpkg._files[object_name["Name"]])
        out_params = []
        ret = 0 if YumFileCheck.filecheck_passed(fc) else 2
        return (pywbem.Uint32(ret), out_params)
        
    def cim_method_invokeonsystem(self, env, object_name,
                                  param_targetsystem=None):
        """Implements LMI_YumFileCheck.InvokeOnSystem()

        The InvokeOnSystem method evaluates this Check. The details of the
        evaluation are described by the specific subclasses of CIM_Check.
        The method\'s TargetSystem input parameter specifies the
        ComputerSystem in whose context the method is invoked. \nThe
        results of the InvokeOnSystem method are based on the return
        value. A zero is returned if the condition is satisfied. A one is
        returned if the method is not supported. Any other value indicates
        the condition is not satisfied.
        
        Keyword arguments:
        env -- Provider Environment (pycimmb.ProviderEnvironment)
        object_name -- A pywbem.CIMInstanceName or pywbem.CIMCLassName 
            specifying the object on which the method InvokeOnSystem() 
            should be invoked.
        param_targetsystem --  The input parameter TargetSystem (type REF (pywbem.CIMInstanceName(classname='CIM_ComputerSystem', ...)) 
            Reference to ComputerSystem in whose context the method is to
            be invoked.
            

        Returns a two-tuple containing the return value (type pywbem.Uint32)
        and a list of CIMParameter objects representing the output parameters

        Output parameters: none

        Possible Errors:
        CIM_ERR_ACCESS_DENIED
        CIM_ERR_INVALID_PARAMETER (including missing, duplicate, 
            unrecognized or otherwise incorrect parameters)
        CIM_ERR_NOT_FOUND (the target CIM Class or instance does not 
            exist in the specified namespace)
        CIM_ERR_METHOD_NOT_AVAILABLE (the CIM Server is unable to honor 
            the invocation request)
        CIM_ERR_FAILED (some other unspecified error occurred)

        """

        logger = env.get_logger()
        logger.log_debug('Entering %s.cim_method_invokeonsystem()' \
                % self.__class__.__name__)

        # TODO do something
        raise pywbem.CIMError(pywbem.CIM_ERR_METHOD_NOT_AVAILABLE) # Remove to implemented
        out_params = []
        #rval = # TODO (type pywbem.Uint32)
        return (rval, out_params)
        
    class Values(object):
        class TargetOperatingSystem(object):
            Unknown = pywbem.Uint16(0)
            Other = pywbem.Uint16(1)
            MACOS = pywbem.Uint16(2)
            ATTUNIX = pywbem.Uint16(3)
            DGUX = pywbem.Uint16(4)
            DECNT = pywbem.Uint16(5)
            Tru64_UNIX = pywbem.Uint16(6)
            OpenVMS = pywbem.Uint16(7)
            HPUX = pywbem.Uint16(8)
            AIX = pywbem.Uint16(9)
            MVS = pywbem.Uint16(10)
            OS400 = pywbem.Uint16(11)
            OS_2 = pywbem.Uint16(12)
            JavaVM = pywbem.Uint16(13)
            MSDOS = pywbem.Uint16(14)
            WIN3x = pywbem.Uint16(15)
            WIN95 = pywbem.Uint16(16)
            WIN98 = pywbem.Uint16(17)
            WINNT = pywbem.Uint16(18)
            WINCE = pywbem.Uint16(19)
            NCR3000 = pywbem.Uint16(20)
            NetWare = pywbem.Uint16(21)
            OSF = pywbem.Uint16(22)
            DC_OS = pywbem.Uint16(23)
            Reliant_UNIX = pywbem.Uint16(24)
            SCO_UnixWare = pywbem.Uint16(25)
            SCO_OpenServer = pywbem.Uint16(26)
            Sequent = pywbem.Uint16(27)
            IRIX = pywbem.Uint16(28)
            Solaris = pywbem.Uint16(29)
            SunOS = pywbem.Uint16(30)
            U6000 = pywbem.Uint16(31)
            ASERIES = pywbem.Uint16(32)
            HP_NonStop_OS = pywbem.Uint16(33)
            HP_NonStop_OSS = pywbem.Uint16(34)
            BS2000 = pywbem.Uint16(35)
            LINUX = pywbem.Uint16(36)
            Lynx = pywbem.Uint16(37)
            XENIX = pywbem.Uint16(38)
            VM = pywbem.Uint16(39)
            Interactive_UNIX = pywbem.Uint16(40)
            BSDUNIX = pywbem.Uint16(41)
            FreeBSD = pywbem.Uint16(42)
            NetBSD = pywbem.Uint16(43)
            GNU_Hurd = pywbem.Uint16(44)
            OS9 = pywbem.Uint16(45)
            MACH_Kernel = pywbem.Uint16(46)
            Inferno = pywbem.Uint16(47)
            QNX = pywbem.Uint16(48)
            EPOC = pywbem.Uint16(49)
            IxWorks = pywbem.Uint16(50)
            VxWorks = pywbem.Uint16(51)
            MiNT = pywbem.Uint16(52)
            BeOS = pywbem.Uint16(53)
            HP_MPE = pywbem.Uint16(54)
            NextStep = pywbem.Uint16(55)
            PalmPilot = pywbem.Uint16(56)
            Rhapsody = pywbem.Uint16(57)
            Windows_2000 = pywbem.Uint16(58)
            Dedicated = pywbem.Uint16(59)
            OS_390 = pywbem.Uint16(60)
            VSE = pywbem.Uint16(61)
            TPF = pywbem.Uint16(62)
            Windows__R__Me = pywbem.Uint16(63)
            Caldera_Open_UNIX = pywbem.Uint16(64)
            OpenBSD = pywbem.Uint16(65)
            Not_Applicable = pywbem.Uint16(66)
            Windows_XP = pywbem.Uint16(67)
            z_OS = pywbem.Uint16(68)
            Microsoft_Windows_Server_2003 = pywbem.Uint16(69)
            Microsoft_Windows_Server_2003_64_Bit = pywbem.Uint16(70)
            Windows_XP_64_Bit = pywbem.Uint16(71)
            Windows_XP_Embedded = pywbem.Uint16(72)
            Windows_Vista = pywbem.Uint16(73)
            Windows_Vista_64_Bit = pywbem.Uint16(74)
            Windows_Embedded_for_Point_of_Service = pywbem.Uint16(75)
            Microsoft_Windows_Server_2008 = pywbem.Uint16(76)
            Microsoft_Windows_Server_2008_64_Bit = pywbem.Uint16(77)
            FreeBSD_64_Bit = pywbem.Uint16(78)
            RedHat_Enterprise_Linux = pywbem.Uint16(79)
            RedHat_Enterprise_Linux_64_Bit = pywbem.Uint16(80)
            Solaris_64_Bit = pywbem.Uint16(81)
            SUSE = pywbem.Uint16(82)
            SUSE_64_Bit = pywbem.Uint16(83)
            SLES = pywbem.Uint16(84)
            SLES_64_Bit = pywbem.Uint16(85)
            Novell_OES = pywbem.Uint16(86)
            Novell_Linux_Desktop = pywbem.Uint16(87)
            Sun_Java_Desktop_System = pywbem.Uint16(88)
            Mandriva = pywbem.Uint16(89)
            Mandriva_64_Bit = pywbem.Uint16(90)
            TurboLinux = pywbem.Uint16(91)
            TurboLinux_64_Bit = pywbem.Uint16(92)
            Ubuntu = pywbem.Uint16(93)
            Ubuntu_64_Bit = pywbem.Uint16(94)
            Debian = pywbem.Uint16(95)
            Debian_64_Bit = pywbem.Uint16(96)
            Linux_2_4_x = pywbem.Uint16(97)
            Linux_2_4_x_64_Bit = pywbem.Uint16(98)
            Linux_2_6_x = pywbem.Uint16(99)
            Linux_2_6_x_64_Bit = pywbem.Uint16(100)
            Linux_64_Bit = pywbem.Uint16(101)
            Other_64_Bit = pywbem.Uint16(102)
            Microsoft_Windows_Server_2008_R2 = pywbem.Uint16(103)
            VMware_ESXi = pywbem.Uint16(104)
            Microsoft_Windows_7 = pywbem.Uint16(105)
            CentOS_32_bit = pywbem.Uint16(106)
            CentOS_64_bit = pywbem.Uint16(107)
            Oracle_Enterprise_Linux_32_bit = pywbem.Uint16(108)
            Oracle_Enterprise_Linux_64_bit = pywbem.Uint16(109)
            eComStation_32_bitx = pywbem.Uint16(110)

        class SoftwareElementState(object):
            Deployable = pywbem.Uint16(0)
            Installable = pywbem.Uint16(1)
            Executable = pywbem.Uint16(2)
            Running = pywbem.Uint16(3)

        class FileType(object):
            Unknown = pywbem.Uint16(0)
            File = pywbem.Uint16(1)
            Directory = pywbem.Uint16(2)
            Symlink = pywbem.Uint16(3)
            FIFO = pywbem.Uint16(4)
            Character_Device = pywbem.Uint16(5)
            Block_Device = pywbem.Uint16(6)

## end of class LMI_YumFileCheckProvider
    
## get_providers() for associating CIM Class Name to python provider class name
    
def get_providers(env): 
    lmi_yumfilecheck_prov = LMI_YumFileCheck(env)  
    return {'LMI_YumFileCheck': lmi_yumfilecheck_prov}