PacketDrillExpression Class Reference

#include <PacketDrillUtils.h>

Inheritance diagram for PacketDrillExpression:

Public Member Functions
	PacketDrillExpression (enum expression_t type_)
	~PacketDrillExpression ()
void	setType (enum expression_t t)
enum expression_t	getType () const
void	setNum (int64 n)
int64	getNum () const
void	setString (char *str)
const char *	getString () const
void	setFormat (const char *format_)
const char *	getFormat () const
cQueue *	getList ()
void	setList (cQueue *queue)
struct binary_expression *	getBinary ()
void	setBinary (struct binary_expression *bin)
void	setRtoinfo (struct sctp_rtoinfo_expr *exp)
struct sctp_rtoinfo_expr *	getRtoinfo ()
void	setInitmsg (struct sctp_initmsg_expr *exp)
struct sctp_initmsg_expr *	getInitmsg ()
void	setAssocParams (struct sctp_assocparams_expr *exp)
struct sctp_assocparams_expr *	getAssocParams ()
void	setAssocval (struct sctp_assoc_value_expr *exp)
struct sctp_assoc_value_expr *	getAssocval ()
void	setSackinfo (struct sctp_sack_info_expr *exp)
struct sctp_sack_info_expr *	getSackinfo ()
void	setPaddrParams (struct sctp_paddrparams_expr *exp)
struct sctp_paddrparams_expr *	getPaddrParams ()
void	setSndRcvInfo (struct sctp_sndrcvinfo_expr *exp)
struct sctp_sndrcvinfo_expr *	getSndRcvInfo ()
void	setResetStreams (struct sctp_reset_streams_expr *exp)
struct sctp_reset_streams_expr *	getResetStreams ()
void	setIp (L3Address *exp)
void	setStatus (struct sctp_status_expr *exp)
struct sctp_status_expr *	getStatus ()
void	setAddStreams (struct sctp_add_streams_expr *exp)
struct sctp_add_streams_expr *	getAddStreams ()
int	unescapeCstringExpression (const char *input_string, char **error)
int	getS32 (int32 *value, char **error)
int	getU16 (uint16 *value, char **error)
int	getU32 (uint32 *value, char **error)
int	symbolToInt (const char *input_symbol, int64 *output_integer, char **error)
bool	lookupIntSymbol (const char *input_symbol, int64 *output_integer, struct int_symbol *symbols)

Private Attributes
enum expression_t	type
union {
int64   num
char *   string
struct binary_expression *   binary
struct sctp_rtoinfo_expr *   sctp_rtoinfo
struct sctp_initmsg_expr *   sctp_initmsg
struct sctp_assoc_value_expr *   sctp_assoc_value
struct sctp_assocparams_expr *   sctp_assocparams
struct sctp_sack_info_expr *   sctp_sack_info
struct sctp_paddrparams_expr *   sctp_paddr_params
struct sctp_sndrcvinfo_expr *   sctp_sndrcvinfo
struct sctp_reset_streams_expr *   sctp_resetstreams
struct sctp_add_streams_expr *   sctp_addstreams
struct sctp_status_expr *   sctp_status
L3Address *   ip_address
cQueue *   list
}	value
const char *	format

Constructor & Destructor Documentation

PacketDrillExpression::PacketDrillExpression

(

enum expression_t

type_

)

{
    type = type_;
    format = nullptr;
    if (type == EXPR_SCTP_SNDRCVINFO)
        value.sctp_sndrcvinfo = (struct sctp_sndrcvinfo_expr *)malloc(sizeof(struct sctp_sndrcvinfo_expr));
}

PacketDrillExpression::~PacketDrillExpression

(

)

{
    if (type == EXPR_LIST) {
        for (cQueue::Iterator iter(*value.list); !iter.end(); iter++)
            value.list->remove((*iter));
        delete value.list;
    }
}

Member Function Documentation

struct sctp_add_streams_expr* PacketDrillExpression::getAddStreams ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_addstreams; };

struct sctp_assocparams_expr* PacketDrillExpression::getAssocParams ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_assocparams; };

struct sctp_assoc_value_expr* PacketDrillExpression::getAssocval ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_assoc_value; };

struct binary_expression* PacketDrillExpression::getBinary ( )

inline

Referenced by PacketDrill::evaluate_binary_expression().

{ return value.binary; };

const char* PacketDrillExpression::getFormat ( ) const

inline

{ return format; };

struct sctp_initmsg_expr* PacketDrillExpression::getInitmsg ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_initmsg; };

cQueue* PacketDrillExpression::getList ( )

inline

Referenced by PacketDrill::evaluate(), PacketDrill::evaluateListExpression(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.list; };

int64 PacketDrillExpression::getNum ( ) const

inline

Referenced by PacketDrill::evaluate(), PacketDrill::evaluate_binary_expression(), inet::PacketDrillApp::syscallGetsockopt(), inet::PacketDrillApp::syscallRead(), inet::PacketDrillApp::syscallRecvFrom(), inet::PacketDrillApp::syscallSctpSend(), inet::PacketDrillApp::syscallSctpSendmsg(), inet::PacketDrillApp::syscallSetsockopt(), and inet::PacketDrillApp::syscallWrite().

{ return value.num; };

struct sctp_paddrparams_expr* PacketDrillExpression::getPaddrParams ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_paddr_params; };

struct sctp_reset_streams_expr* PacketDrillExpression::getResetStreams ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_resetstreams; };

struct sctp_rtoinfo_expr* PacketDrillExpression::getRtoinfo ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_rtoinfo; };

int PacketDrillExpression::getS32	(	int32 *	value,
		char **	error
	)

Referenced by inet::PacketDrillApp::syscallAccept(), inet::PacketDrillApp::syscallBind(), inet::PacketDrillApp::syscallClose(), inet::PacketDrillApp::syscallConnect(), inet::PacketDrillApp::syscallGetsockopt(), inet::PacketDrillApp::syscallListen(), inet::PacketDrillApp::syscallRead(), inet::PacketDrillApp::syscallRecvFrom(), inet::PacketDrillApp::syscallSctpSend(), inet::PacketDrillApp::syscallSctpSendmsg(), inet::PacketDrillApp::syscallSendTo(), inet::PacketDrillApp::syscallSetsockopt(), inet::PacketDrillApp::syscallShutdown(), inet::PacketDrillApp::syscallSocket(), and inet::PacketDrillApp::syscallWrite().

{
    if (type != EXPR_INTEGER)
        return STATUS_ERR;
    if ((value.num > UINT_MAX) || (value.num < INT_MIN)) {
        EV_DEBUG << "Value out of range for 32-bit integer: " << value.num << endl;
        return STATUS_ERR;
    }
    *val = value.num;
    return STATUS_OK;
}

struct sctp_sack_info_expr* PacketDrillExpression::getSackinfo ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSetsockopt().

{ return value.sctp_sack_info; };

struct sctp_sndrcvinfo_expr* PacketDrillExpression::getSndRcvInfo ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallSctpSend().

{ return value.sctp_sndrcvinfo; };

struct sctp_status_expr* PacketDrillExpression::getStatus ( )

inline

Referenced by PacketDrill::evaluate(), and inet::PacketDrillApp::syscallGetsockopt().

{ return value.sctp_status; };

const char* PacketDrillExpression::getString ( ) const

inline

Referenced by PacketDrill::evaluate().

{ return value.string; };

enum expression_t PacketDrillExpression::getType ( ) const

inline

Referenced by PacketDrill::evaluate(), PacketDrill::evaluate_binary_expression(), PacketDrill::evaluateListExpression(), inet::PacketDrillApp::syscallBind(), inet::PacketDrillApp::syscallConnect(), inet::PacketDrillApp::syscallGetsockopt(), inet::PacketDrillApp::syscallRead(), inet::PacketDrillApp::syscallRecvFrom(), inet::PacketDrillApp::syscallSctpSend(), inet::PacketDrillApp::syscallSctpSendmsg(), inet::PacketDrillApp::syscallSendTo(), inet::PacketDrillApp::syscallSetsockopt(), inet::PacketDrillApp::syscallSocket(), and inet::PacketDrillApp::syscallWrite().

{ return type; };

int PacketDrillExpression::getU16	(	uint16 *	value,
		char **	error
	)

Referenced by inet::PacketDrillApp::syscallSctpSendmsg().

{
    if (type != EXPR_INTEGER)
        return STATUS_ERR;
    if ((value.num > UINT16_MAX) || (value.num < 0)) {
        EV_DEBUG << "Value out of range for 16-bit unsigned integer: " << value.num << endl;
        return STATUS_ERR;
    }
    *val = value.num;
    return STATUS_OK;
}

int PacketDrillExpression::getU32	(	uint32 *	value,
		char **	error
	)

Referenced by inet::PacketDrillApp::syscallSctpSendmsg().

{
    if (type != EXPR_INTEGER)
        return STATUS_ERR;
    if ((value.num > UINT32_MAX) || (value.num < 0)) {
        EV_DEBUG << "Value out of range for 32-bit unsigned integer: " << value.num << endl;
        return STATUS_ERR;
    }
    *val = value.num;
    return STATUS_OK;
}

bool PacketDrillExpression::lookupIntSymbol	(	const char *	input_symbol,
		int64 *	output_integer,
		struct int_symbol *	symbols
	)

{
    int i;
    for (i = 0; symbols[i].name != NULL ; ++i) {
        if (strcmp(input_symbol, symbols[i].name) == 0) {
            *output_integer = symbols[i].value;
            return true;
        }
    }
    return false;
}

void PacketDrillExpression::setAddStreams ( struct sctp_add_streams_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{value.sctp_addstreams = exp; };

void PacketDrillExpression::setAssocParams ( struct sctp_assocparams_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{ value.sctp_assocparams = exp; };

void PacketDrillExpression::setAssocval ( struct sctp_assoc_value_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{ value.sctp_assoc_value = exp; };

void PacketDrillExpression::setBinary ( struct binary_expression *  bin )

inline

{ value.binary = bin; };

void PacketDrillExpression::setFormat ( const char *  format_ )

inline

Referenced by parse_and_finalize_config().

{ format = format_; };

void PacketDrillExpression::setInitmsg ( struct sctp_initmsg_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{ value.sctp_initmsg = exp; };

void PacketDrillExpression::setIp ( L3Address *  exp )

inline

{value.ip_address = exp; };

void PacketDrillExpression::setList ( cQueue *  queue )

inline

Referenced by PacketDrill::evaluateListExpression().

{ value.list = queue; };

void PacketDrillExpression::setNum ( int64  n )

inline

Referenced by PacketDrill::evaluate(), PacketDrill::evaluate_binary_expression(), and parse_and_finalize_config().

{ value.num = n; };

void PacketDrillExpression::setPaddrParams ( struct sctp_paddrparams_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{value.sctp_paddr_params = exp; };

void PacketDrillExpression::setResetStreams ( struct sctp_reset_streams_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{value.sctp_resetstreams = exp; };

void PacketDrillExpression::setRtoinfo ( struct sctp_rtoinfo_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{ value.sctp_rtoinfo = exp; };

void PacketDrillExpression::setSackinfo ( struct sctp_sack_info_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{ value.sctp_sack_info = exp; };

void PacketDrillExpression::setSndRcvInfo ( struct sctp_sndrcvinfo_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{value.sctp_sndrcvinfo = exp; };

void PacketDrillExpression::setStatus ( struct sctp_status_expr *  exp )

inline

Referenced by PacketDrill::evaluate().

{value.sctp_status = exp; };

void PacketDrillExpression::setString ( char *  str )

inline

{ value.string = str; };

void PacketDrillExpression::setType ( enum expression_t  t )

inline

Referenced by PacketDrill::evaluate(), and PacketDrill::evaluate_binary_expression().

{ type = t; };

int PacketDrillExpression::symbolToInt	(	const char *	input_symbol,
		int64 *	output_integer,
		char **	error
	)

Referenced by PacketDrill::evaluate().

{
    if (lookupIntSymbol(input_symbol, output_integer, platform_symbols()))
        return STATUS_OK;

    return STATUS_ERR;
}

int PacketDrillExpression::unescapeCstringExpression	(	const char *	input_string,
		char **	error
	)

Referenced by PacketDrill::evaluate().

{
    int bytes = strlen(input_string) + 1;
    type = EXPR_STRING;
    value.string = (char *)malloc(bytes);
    const char *c_in = input_string;
    char *c_out = value.string;
    while (*c_in != '\0') {
        if (*c_in == '\\') {
            ++c_in;
            switch (*c_in) {
                case '\\':
                    *c_out = '\\';
                    break;

                case '"':
                    *c_out = '"';
                    break;

                case 'f':
                    *c_out = '\f';
                    break;

                case 'n':
                    *c_out = '\n';
                    break;

                case 'r':
                    *c_out = '\r';
                    break;

                case 't':
                    *c_out = '\t';
                    break;

                case 'v':
                    *c_out = '\v';
                    break;

                default:
                    EV_DEBUG << "Unsupported escape code: " << *c_in << endl;
                    return STATUS_ERR;
            }
        } else {
            *c_out = *c_in;
        }
        ++c_in;
        ++c_out;
    }
    return STATUS_OK;
}

Member Data Documentation

struct binary_expression* PacketDrillExpression::binary

const char* PacketDrillExpression::format

private

L3Address* PacketDrillExpression::ip_address

cQueue* PacketDrillExpression::list

int64 PacketDrillExpression::num

struct sctp_add_streams_expr* PacketDrillExpression::sctp_addstreams

struct sctp_assoc_value_expr* PacketDrillExpression::sctp_assoc_value

struct sctp_assocparams_expr* PacketDrillExpression::sctp_assocparams

struct sctp_initmsg_expr* PacketDrillExpression::sctp_initmsg

struct sctp_paddrparams_expr* PacketDrillExpression::sctp_paddr_params

struct sctp_reset_streams_expr* PacketDrillExpression::sctp_resetstreams

struct sctp_rtoinfo_expr* PacketDrillExpression::sctp_rtoinfo

struct sctp_sack_info_expr* PacketDrillExpression::sctp_sack_info

struct sctp_sndrcvinfo_expr* PacketDrillExpression::sctp_sndrcvinfo

struct sctp_status_expr* PacketDrillExpression::sctp_status

char* PacketDrillExpression::string

enum expression_t PacketDrillExpression::type

private

union { ... } PacketDrillExpression::value

---

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

• PacketDrillUtils.h
• PacketDrillUtils.cc