KomodiaDNS::CDNSParser Class Reference

#include <DNSParser.h>

Inheritance diagram for KomodiaDNS::CDNSParser:

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Collaboration diagram for KomodiaDNS::CDNSParser:

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List of all members.

Public Types
enum	_LogPriority { lpDebug, lpMessage, lpCritical, lpError }
typedef enum CErrorHandler::_LogPriority	LogPriority
Public Member Functions
void	SetLocalLog (CErrorLog *pLog)
Static Public Member Functions
static std::string	ParseName (const char *pBuffer, const char *pOriginalBuffer, unsigned short &rLength)
static std::string	ConvertName (const std::string &rName)
static std::string	GetCurrentDateTime ()
static std::string	ErrorCodeToString (DWORD dwErrorCode)
static void	SetLog (CErrorLog *pLog)
Protected Member Functions
const std::string &	GetClassName () const
void	WriteMessage (const std::string &rMethod, const std::string &rMessage, LogPriority aPriority=lpMessage)
void	WriteMessage (const std::string &rMethod, const std::string &rMessage, DWORD dwAdditionalData, LogPriority aPriority=lpMessage)
virtual void	ReportError (const std::string &rMethod) const
virtual void	ReportError (const std::string &rMethod, const std::string &rMessage) const
virtual void	ReportError (const std::string &rMethod, const std::string &rMessage, DWORD dwAdditionalData) const
virtual void	ReportError (const std::string &rMethod, int iErrorCode) const
virtual void	ReportError (const std::string &rMethod, const std::string &rMessage, int iErrorCode) const
virtual void	ReportErrorOS (const std::string &rMethod, const std::string &rMessage) const
void	SetName (const std::string &rName) const
Static Protected Member Functions
static void	WriteStaticMessage (const std::string &rClass, const std::string &rMethod, const std::string &rMessage, LogPriority aPriority=lpMessage)
static void	WriteStaticMessage (const std::string &rClass, const std::string &rMethod, const std::string &rMessage, DWORD dwAdditionalData, LogPriority aPriority=lpMessage)
static void	ReportStaticError (const std::string &rClass, const std::string &rMethod)
static void	ReportStaticError (const std::string &rClass, const std::string &rMethod, const std::string &rMessage)
static void	ReportStaticError (const std::string &rClass, const std::string &rMethod, const std::string &rMessage, DWORD dwAdditionalData)

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Detailed Description

Definition at line 45 of file DNSParser.h.

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Member Typedef Documentation

typedef enum CErrorHandler::_LogPriority CErrorHandler::LogPriority [inherited]

---

Member Enumeration Documentation

enum CErrorHandler::_LogPriority [inherited]

Enumerator:

lpDebug
lpMessage
lpCritical
lpError

Definition at line 53 of file ErrorHandler.h.

    {
        lpDebug,
        lpMessage,
        lpCritical,
        lpError
    } LogPriority;

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Member Function Documentation

std::string KomodiaDNS::CDNSParser::ConvertName

(

const std::string &

rName

)

[static]

Definition at line 336 of file DNSParser.cpp.

{
    try
    {
        //Length
        unsigned short usLength;

        //The string
        std::string sAnswer;
        sAnswer=ParseName(rName.c_str(),
                          rName.c_str(),
                          usLength);

        //What we have
        if (usLength)
            return sAnswer;
        else
            return "";
    }
    ERROR_HANDLER_STATIC_RETURN(CDNSParser_Class,"ConvertName","")
}

std::string CErrorHandler::ErrorCodeToString

(

DWORD

dwErrorCode

)

[static, inherited]

Definition at line 122 of file ErrorHandler.cpp.

{
    try
    {
        //Get the error string
        LPVOID lpMsgBuf;
        FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 
                      FORMAT_MESSAGE_FROM_SYSTEM | 
                      FORMAT_MESSAGE_IGNORE_INSERTS,
                      NULL,
                      dwErrorCode,
                      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
                      (LPTSTR) &lpMsgBuf,
                      0,
                      NULL);

        //Save it
        std::string sMessage;
        sMessage+=(char*)lpMsgBuf;
        
        //Release the buffer
        LocalFree(lpMsgBuf);

        //Done
        return sMessage;
    }
    catch (...)
    {
        return "Unknown";
    }
}

const std::string & CErrorHandler::GetClassName

(

)

const [protected, inherited]

Reimplemented in CSocketThreadManager.

Definition at line 516 of file ErrorHandler.cpp.

{
    return m_sClassName;
}

std::string CErrorHandler::GetCurrentDateTime

(

)

[static, inherited]

Definition at line 521 of file ErrorHandler.cpp.

{
    try
    {
        //Our string
        std::string sDate;

        //Our tmp buf
        char cTmp[128];

        //Get date
        _strdate(cTmp);
        sDate=cTmp;
        sDate+=' ';

        //Get time
        _strtime(cTmp);
        sDate+=cTmp;

        //Done
        return sDate;
    }
    ERROR_HANDLER_STATIC_RETURN(CErrorHandler_Class,"GetCurrentDateTime","")
}

std::string KomodiaDNS::CDNSParser::ParseName	(	const char *	pBuffer,
		const char *	pOriginalBuffer,
		unsigned short &	rLength
	)			[static]

Definition at line 70 of file DNSParser.cpp.

{
    try
    {
        //Set the length to zero
        rLength=0;

        //Damn shortcuts
        unsigned short usShort;
        usShort=*((unsigned short*)pBuffer);
        
        //Convert it
        usShort=htons(usShort);

        //Check for shortcuts
        if (usShort & 0xc000)
        {
            //Remove the traling bits
            usShort=usShort & 0x3fff;

            //Get length of the domain
            unsigned short usLength;
            usLength=GetParsedDomainLength(pOriginalBuffer+usShort,
                                           pOriginalBuffer);

            //Check for errors
            if (!usLength)
            {
                //Report it
                ReportStaticError(CDNSParser_Class,"ParseName","Received zero length!");

                //Exit
                return "";
            }
            else
            {
                //Set the length to parsed
                rLength=2;

                //Returned the parsed name
                return ConvertParsedName(pOriginalBuffer+usShort,
                                         pOriginalBuffer);
            }
        }
        else
        {
            //Regular name
            //Get length of the domain
            unsigned short usLength;
            usLength=GetParsedDomainLength(pBuffer,
                                           pOriginalBuffer);

            //Check for errors
            if (!usLength)
            {
                //Report it
                ReportStaticError(CDNSParser_Class,"ParseName","Received zero length!");

                //Exit
                return "";
            }
            else
            {
                //Set the length
                rLength=usLength;

                //Returned the parsed data
                return ConvertParsedName(pBuffer,
                                         pOriginalBuffer);
            }
        }
    }
    ERROR_HANDLER_STATIC_RETURN(CDNSParser_Class,"ParseName","")
}

void CErrorHandler::ReportError	(	const std::string &	rMethod,
		const std::string &	rMessage,
		int	iErrorCode
	)			const [protected, virtual, inherited]

Definition at line 154 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        //Get the log
        CErrorLog* pLog;
        pLog=GetLog();

        //Convert the error code
        char aTmp[11];
        sprintf(aTmp,"%d",iErrorCode);

        //Get the string for it
        std::string sError;
        sError=rMessage;
        sError+=", and Socket error: ";
        sError+=aTmp;
        sError+=", ";
        sError+=ErrorCodeToString(iErrorCode);

        //Report to the log
        pLog->ReportError(m_sClassName,
                          rMethod,
                          sError);
    }
    ERROR_UNKNOWN("ReportError")
}

void CErrorHandler::ReportError	(	const std::string &	rMethod,
		int	iErrorCode
	)			const [protected, virtual, inherited]

Definition at line 187 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        //Get the log
        CErrorLog* pLog;
        pLog=GetLog();

        //Convert the error code
        char aTmp[11];
        sprintf(aTmp,"%d",iErrorCode);

        //Get the string for it
        std::string sError;
        sError="Socket error: ";
        sError+=aTmp;
        sError+=", ";
        sError+=ErrorCodeToString(iErrorCode);

        //Report to the log
        pLog->ReportError(m_sClassName,
                          rMethod,
                          sError);
    }
    ERROR_UNKNOWN("ReportError")
}

void CErrorHandler::ReportError	(	const std::string &	rMethod,
		const std::string &	rMessage,
		DWORD	dwAdditionalData
	)			const [protected, virtual, inherited]

Definition at line 275 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        //Get the log
        CErrorLog* pLog;
        pLog=GetLog();

        //Convert the number
        char aTmp[11];
        ltoa(dwAdditionalData,aTmp,10);

        //Create the new message
        std::string sNewMessage(rMessage);
        sNewMessage+="Additional data: ";
        sNewMessage+=aTmp;

        //Report to the log
        pLog->ReportError(m_sClassName,
                          rMethod,
                          sNewMessage);
    }
    ERROR_UNKNOWN("ReportError")
}

void CErrorHandler::ReportError	(	const std::string &	rMethod,
		const std::string &	rMessage
	)			const [protected, virtual, inherited]

Definition at line 218 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        CErrorLog* pLog;
        pLog=GetLog();

        //Report to the log
        pLog->ReportError(m_sClassName,
                          rMethod,
                          rMessage);
    }
    ERROR_UNKNOWN("ReportError")
}

void CErrorHandler::ReportError

(

const std::string &

rMethod

)

const [protected, virtual, inherited]

Definition at line 311 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
#ifdef WIN32
        //Get the last error
        DWORD dwLastError;
        dwLastError=GetLastError();

        //Report the error
        GetLog()->ReportError(m_sClassName,
                              rMethod,
                              ErrorCodeToString(dwLastError));

#else
        GetLog()->ReportCatchError(m_sClassName,
                                   rMethod,
                                   "Unknown error!");
#endif
    }
    ERROR_UNKNOWN("ReportError")
}

void CErrorHandler::ReportErrorOS	(	const std::string &	rMethod,
		const std::string &	rMessage
	)			const [protected, virtual, inherited]

Definition at line 237 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        //Get the last error
        DWORD dwLastError;
        dwLastError=GetLastError();

        //Format the message
        std::string sMessage;
        sMessage=rMessage;
        sMessage+=", with error code: ";

        //Convert the error code
        char aTmp[11];
        itoa(dwLastError,aTmp,10);

        //Add it again
        sMessage+=aTmp;
        sMessage+=" ";
        sMessage+=ErrorCodeToString(dwLastError);
        
        //Get the log
        CErrorLog* pLog;
        pLog=GetLog();

        //Report to the log
        pLog->ReportError(m_sClassName,
                          rMethod,
                          sMessage);
    }
    ERROR_UNKNOWN("ReportErrorOS")
}

void CErrorHandler::ReportStaticError	(	const std::string &	rClass,
		const std::string &	rMethod,
		const std::string &	rMessage,
		DWORD	dwAdditionalData
	)			[static, protected, inherited]

Definition at line 489 of file ErrorHandler.cpp.

{
    if (!m_pLog)
        return;

    try
    {
        //Convert the number
        char aTmp[11];
        ltoa(dwAdditionalData,aTmp,10);

        //Create the new message
        std::string sNewMessage(rMessage);
        sNewMessage+="Additional data: ";
        sNewMessage+=aTmp;

        //Report to the log
        m_pLog->ReportError(rClass,
                            rMethod,
                            sNewMessage);
    }
    ERROR_UNKNOWN("ReportStaticError")
}

void CErrorHandler::ReportStaticError	(	const std::string &	rClass,
		const std::string &	rMethod,
		const std::string &	rMessage
	)			[static, protected, inherited]

Definition at line 472 of file ErrorHandler.cpp.

{
    if (!m_pLog)
        return;

    try
    {
        //Report to the log
        m_pLog->ReportError(rClass,
                            rMethod,
                            rMessage);
    }
    ERROR_UNKNOWN("ReportStaticError")
}

void CErrorHandler::ReportStaticError	(	const std::string &	rClass,
		const std::string &	rMethod
	)			[static, protected, inherited]

Definition at line 446 of file ErrorHandler.cpp.

{
    if (!m_pLog)
        return;

    try
    {
#ifdef WIN32
        //Get the last error
        DWORD dwLastError;
        dwLastError=GetLastError();

        //Report the error
        m_pLog->ReportError(rClass,
                            rMethod,
                            ErrorCodeToString(dwLastError));
#else
        m_pLog->ReportError(rClass,
                            rMethod,
                            "Unknown error!");
#endif
    }
    ERROR_UNKNOWN("ReportStaticError")
}

void CErrorHandler::SetLocalLog

(

CErrorLog *

pLog

)

[inherited]

Definition at line 441 of file ErrorHandler.cpp.

{
    m_pLocalLog=pLog;
}

void CErrorHandler::SetLog

(

CErrorLog *

pLog

)

[static, inherited]

Definition at line 305 of file ErrorHandler.cpp.

{
    //Save the new log
    m_pLog=pLog;
}

void CErrorHandler::SetName

(

const std::string &

rName

)

const [protected, inherited]

Definition at line 116 of file ErrorHandler.cpp.

{
    //Save the class name
    m_sClassName=rName;
}

void CErrorHandler::WriteMessage	(	const std::string &	rMethod,
		const std::string &	rMessage,
		DWORD	dwAdditionalData,
		LogPriority	aPriority = lpMessage
	)			[protected, inherited]

Definition at line 355 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        //Convert the number
        char aTmp[11];
        ltoa(dwAdditionalData,aTmp,10);

        //Create the new message
        std::string sNewMessage(rMessage);
        sNewMessage+="Additional data: ";
        sNewMessage+=aTmp;

        //Delegate the call
        GetLog()->WriteMessage(m_sClassName,
                               rMethod,
                               sNewMessage,
                               aPriority);
    }
    ERROR_UNKNOWN("WriteMessage")
}

void CErrorHandler::WriteMessage	(	const std::string &	rMethod,
		const std::string &	rMessage,
		LogPriority	aPriority = lpMessage
	)			[protected, inherited]

Definition at line 337 of file ErrorHandler.cpp.

{
    if (!GetLog())
        return;

    try
    {
        //Delegate the call
        GetLog()->WriteMessage(m_sClassName,
                               rMethod,
                               rMessage,
                               aPriority);
    }
    ERROR_UNKNOWN("WriteMessage")
}

void CErrorHandler::WriteStaticMessage	(	const std::string &	rClass,
		const std::string &	rMethod,
		const std::string &	rMessage,
		DWORD	dwAdditionalData,
		LogPriority	aPriority = lpMessage
	)			[static, protected, inherited]

Definition at line 403 of file ErrorHandler.cpp.

{
    if (!m_pLog)
        return;

    try
    {
        //Convert the number
        char aTmp[11];
        ltoa(dwAdditionalData,aTmp,10);

        //Create the new message
        std::string sNewMessage(rMessage);
        sNewMessage+="Additional data: ";
        sNewMessage+=aTmp;

        //Delegate the call
        m_pLog->WriteMessage(rClass,
                             rMethod,
                             sNewMessage,
                             aPriority);
    }
    ERROR_UNKNOWN("WriteStaticMessage")
}

void CErrorHandler::WriteStaticMessage	(	const std::string &	rClass,
		const std::string &	rMethod,
		const std::string &	rMessage,
		LogPriority	aPriority = lpMessage
	)			[static, protected, inherited]

Definition at line 383 of file ErrorHandler.cpp.

{
    if (!m_pLog)
        return;

    try
    {
        //Delegate the call
        m_pLog->WriteMessage(rClass,
                             rMethod,
                             rMessage,
                             aPriority);
    }
    ERROR_UNKNOWN("WriteStaticMessage")
}

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The documentation for this class was generated from the following files:

• DNSParser.h
• DNSParser.cpp