//%LICENSE////////////////////////////////////////////////////////////////
//
// Licensed to The Open Group (TOG) under one or more contributor license
// agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
// this work for additional information regarding copyright ownership.
// Each contributor licenses this file to you under the OpenPegasus Open
// Source License; you may not use this file except in compliance with the
// License.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is 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.
//
//////////////////////////////////////////////////////////////////////////
//
//%/////////////////////////////////////////////////////////////////////////////

PEGASUS_NAMESPACE_BEGIN

PEGASUS_USING_STD;

#if defined(PEGASUS_OS_HPUX) || \
    defined(PEGASUS_OS_LINUX)
# define SENDMAIL_CMD "/usr/sbin/sendmail"
# define SENDMAIL_CMD_OPTS "-t -i <"
# define TEMP_MAIL_FILE "tmpMailFile"
# define MAX_SENDMAIL_CMD_LEN 100
# define SH_EXECUTE_FAILED 127
# define TEMP_NAME_LEN L_tmpnam
# include <unistd.h>
#endif
#if defined(PEGASUS_OS_VMS)
# define MAX_SENDMAIL_CMD_LEN 100
# define TEMP_NAME_LEN L_tmpnam

char mailFileVms[TEMP_NAME_LEN];

long file_len = 0;
long subject_line_len = 0;
long to_user_len = 0;

int send_context = 0;
int status = SS$_NORMAL;

typedef struct itmlst
{
    short buffer_length;
    short item_code;
    long buffer_address;
    long return_length_address;
} ITMLST;

ITMLST nulllist[] =
{
    {0, 0, 0, 0}
};

ITMLST address_itmlst[] =
{
    {0, MAIL$_SEND_USERNAME, 0, 0},
    {0, MAIL$_SEND_USERNAME_TYPE, MAIL$_TO, 0},
    {0, 0, 0, 0}
};

ITMLST address_cc_itmlst[] =
{
    {0, MAIL$_SEND_USERNAME, 0, 0},
    {0, MAIL$_SEND_USERNAME_TYPE, MAIL$_CC, 0},
    {0, 0, 0, 0}
};

ITMLST bodypart_itmlst[] =
{
    {0, MAIL$_SEND_FILENAME, 0, 0},
    {0, 0, 0, 0}
};

ITMLST attribute_itmlst[] =
{
    {0, MAIL$_SEND_SUBJECT, 0, 0},
    {0, 0, 0, 0}
};

#endif

class PEGASUS_HANDLER_LINKAGE EmailListenerDestination: public CIMHandler
{
public:

    EmailListenerDestination()
    {
    }

    virtual ~EmailListenerDestination()
    {
    }

    void initialize(CIMRepository* repository);

    void terminate()
    {
    }

    void handleIndication(
        const OperationContext& context,
        const String nameSpace,
        CIMInstance& indication,
        CIMInstance& handler,
        CIMInstance& subscription,
        ContentLanguageList& contentLanguages);

private:

    /**
        Sends the formatted indication to the specified recipients.
        Utility "sendmail" is the default tool to be used. The platform
        maintainer can also choose different tools.

        @param  mailTo         the addresses of the To: field
        @param  mailCc         the addresses of the Cc: field
        @param  mailSubject    the Subject: field of the mail message
        @param  formattedText  the formatted indication
    */

    void _sendViaEmail(
        const Array<String>& mailTo,
        const Array<String>& mailCc,
        const String& mailSubject,
        const String& formattedText);

    /**
        Build the header of the mail message which includes To:, Cc:,
        From:, and Subject: fields

        @param  mailTo         the addresses of the To: field
        @param  mailCc         the addresses of the Cc: field
        @param  mailSubject    the Subject: field of the mail message
        @param  filePtr        the pointer to the temporary file
    */

    void _buildMailHeader(
        const Array<String>& mailTo,
        const Array<String>& mailCc,
        const String& mailSubject,
        FILE* filePtr);

    /**
        Build the mail address string from address array

        @param  mailAddr       the array of the mail addresses

        @return the string of the mail addresses
    */
    String _buildMailAddrStr(
        const Array<String>& mailAddr);

#ifdef PEGASUS_OS_VMS
    /**
        Build the mail cc address string from address array

        @param  mailAddr       the array of the mail cc addresses

        @return the string of the mail addresses
    */
    String _buildMailAddrCcStr(
        const Array<String>& mailAddr);

#endif
    /**
        Write the mail header string to file

        @param  mailHdrStr     the header string to be written to the file
        @param  filePtr        the pointer to the temporary file
    */
    void _writeStrToFile(
        const String& mailHdrStr,
        FILE* filePtr);

    /**
        Sends the indication via e-mail by opening a pipe to sendmail()

        @param  mailFile       The temporary file name
    */
    void _sendMsg(char* mailFile);

    /**
        Opens a temporary file to hold the indication mail message

        @param  filePtr     the address of the pointer to the open file
        @param  mailFile    the temporary file name
    */
    void _openFile(
        FILE** filePtr,
        char* mailFile);
};

PEGASUS_NAMESPACE_END