wtp.h File Reference

#include <errno.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <stdlib.h>
#include "gwlib/gwlib.h"
#include "wap_addr.h"
#include "wap_events.h"

Go to the source code of this file.

Data Structures
struct	machine_pattern

Macros
#define	INITIATOR_TID_LIMIT   (1 << 15)

Typedefs
typedef struct WTPSegment	WTPSegment
typedef struct machine_pattern	machine_pattern

Enumerations
enum	{ NUMBER_OF_ABORT_TYPES = 2, NUMBER_OF_ABORT_REASONS = 10, NUMBER_OF_TRANSACTION_CLASSES = 3 }
enum	{   L_A_WITH_USER_ACK = 4, L_R_WITH_USER_ACK = 7, S_R_WITHOUT_USER_ACK = 3, S_R_WITH_USER_ACK = 4,   G_R_WITHOUT_USER_ACK = 3, G_R_WITH_USER_ACK = 3, W_WITH_USER_ACK = 30 }
enum	{ AEC_MAX = 6, MAX_RCR = 8 }
enum	{ ACKNOWLEDGEMENT = 0, TID_VERIFICATION = 1 }
enum	{ PROVIDER = 0x00, USER = 0x01 }
enum	{   UNKNOWN = 0x00, PROTOERR = 0x01, INVALIDTID = 0x02, NOTIMPLEMENTEDCL2 = 0x03,   NOTIMPLEMENTEDSAR = 0x04, NOTIMPLEMENTEDUACK = 0x05, WTPVERSIONZERO = 0x06, CAPTEMPEXCEEDED = 0x07,   NORESPONSE = 0x08, MESSAGETOOLARGE = 0x09, NOTIMPLEMENTEDESAR = 0x0A }
enum	{ TRANSACTION_CLASS_0 = 0, TRANSACTION_CLASS_1 = 1, TRANSACTION_CLASS_2 = 2 }
enum	{ PROVIDER_ACKNOWLEDGEMENT = 0, USER_ACKNOWLEDGEMENT = 1 }
enum	{ INITIATOR_INDICATION = 0, RESPONDER_INDICATION = 1 }
enum	{   TPI_ERROR = 0, TPI_INFO = 1, TPI_OPTION = 2, TPI_PSN = 3,   TPI_SDU_BOUNDARY = 4, TPI_FRAME_BOUNDARY = 5 }

Functions
List *	wtp_unpack_wdp_datagram (WAPEvent *datagram)
int	wtp_event_is_for_responder (WAPEvent *event)

Macro Definition Documentation

INITIATOR_TID_LIMIT

#define INITIATOR_TID_LIMIT   (1 << 15)

Definition at line 183 of file wtp.h.

Referenced by wtp_event_is_for_responder().

Typedef Documentation

machine_pattern

typedef struct machine_pattern machine_pattern

Definition at line 194 of file wtp.h.

WTPSegment

typedef struct WTPSegment WTPSegment

Definition at line 77 of file wtp.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TRANSACTION_CLASS_0
TRANSACTION_CLASS_1
TRANSACTION_CLASS_2

Definition at line 148 of file wtp.h.

     {
    TRANSACTION_CLASS_0 = 0,
    TRANSACTION_CLASS_1 = 1,
    TRANSACTION_CLASS_2 = 2
};

anonymous enum

anonymous enum

Enumerator
PROVIDER_ACKNOWLEDGEMENT
USER_ACKNOWLEDGEMENT

Definition at line 157 of file wtp.h.

     {
    PROVIDER_ACKNOWLEDGEMENT = 0,
    USER_ACKNOWLEDGEMENT = 1
};

anonymous enum

anonymous enum

Enumerator
INITIATOR_INDICATION
RESPONDER_INDICATION

Definition at line 165 of file wtp.h.

     {
    INITIATOR_INDICATION = 0,
    RESPONDER_INDICATION = 1 
};

anonymous enum

anonymous enum

Enumerator
TPI_ERROR
TPI_INFO
TPI_OPTION
TPI_PSN
TPI_SDU_BOUNDARY
TPI_FRAME_BOUNDARY

Definition at line 170 of file wtp.h.

     {
    TPI_ERROR = 0,
    TPI_INFO = 1,
    TPI_OPTION = 2,
    TPI_PSN = 3,
    TPI_SDU_BOUNDARY = 4,
    TPI_FRAME_BOUNDARY = 5
};

anonymous enum

anonymous enum

Enumerator
NUMBER_OF_ABORT_TYPES
NUMBER_OF_ABORT_REASONS
NUMBER_OF_TRANSACTION_CLASSES

Definition at line 82 of file wtp.h.

     {
    NUMBER_OF_ABORT_TYPES = 2,
    NUMBER_OF_ABORT_REASONS  = 10,
    NUMBER_OF_TRANSACTION_CLASSES = 3
};

anonymous enum

anonymous enum

Enumerator
L_A_WITH_USER_ACK
L_R_WITH_USER_ACK
S_R_WITHOUT_USER_ACK
S_R_WITH_USER_ACK
G_R_WITHOUT_USER_ACK
G_R_WITH_USER_ACK
W_WITH_USER_ACK

Definition at line 93 of file wtp.h.

     {
    L_A_WITH_USER_ACK = 4,
    L_R_WITH_USER_ACK = 7,
    S_R_WITHOUT_USER_ACK = 3,
    S_R_WITH_USER_ACK = 4,
    G_R_WITHOUT_USER_ACK = 3,
    G_R_WITH_USER_ACK = 3,
    W_WITH_USER_ACK = 30
};

anonymous enum

anonymous enum

Enumerator
AEC_MAX
MAX_RCR

Definition at line 107 of file wtp.h.

     {
    AEC_MAX = 6,
    MAX_RCR = 8
};

anonymous enum

anonymous enum

Enumerator
ACKNOWLEDGEMENT
TID_VERIFICATION

Definition at line 115 of file wtp.h.

     {
    ACKNOWLEDGEMENT = 0,
    TID_VERIFICATION = 1
};

anonymous enum

anonymous enum

Enumerator
PROVIDER
USER

Definition at line 123 of file wtp.h.

     {
    PROVIDER = 0x00,
    USER = 0x01
};

anonymous enum

anonymous enum

Enumerator
UNKNOWN
PROTOERR
INVALIDTID
NOTIMPLEMENTEDCL2
NOTIMPLEMENTEDSAR
NOTIMPLEMENTEDUACK
WTPVERSIONZERO
CAPTEMPEXCEEDED
NORESPONSE
MESSAGETOOLARGE
NOTIMPLEMENTEDESAR

Definition at line 131 of file wtp.h.

     {
    UNKNOWN = 0x00,
    PROTOERR = 0x01,
    INVALIDTID = 0x02,
    NOTIMPLEMENTEDCL2 = 0x03,
    NOTIMPLEMENTEDSAR = 0x04,
    NOTIMPLEMENTEDUACK = 0x05,
    WTPVERSIONZERO = 0x06,
    CAPTEMPEXCEEDED = 0x07,
    NORESPONSE = 0x08,
    MESSAGETOOLARGE = 0x09,
    NOTIMPLEMENTEDESAR = 0x0A
};    

Function Documentation

wtp_event_is_for_responder()

int wtp_event_is_for_responder

(

WAPEvent *

event

)

Definition at line 156 of file wtp.c.

References error(), INITIATOR_TID_LIMIT, WAPEvent::type, and wap_event_dump().

Referenced by unpack_wdp_datagram_real(), wap_dispatch_datagram(), and wtp_event_dump().

{

     switch(event->type){
          
     case RcvInvoke:
         return event->u.RcvInvoke.tid < INITIATOR_TID_LIMIT;

     case RcvSegInvoke:
        return event->u.RcvSegInvoke.tid < INITIATOR_TID_LIMIT;

     case RcvResult:
         return event->u.RcvResult.tid < INITIATOR_TID_LIMIT;

     case RcvAck:
        return event->u.RcvAck.tid < INITIATOR_TID_LIMIT;

     case RcvNegativeAck:
        return event->u.RcvNegativeAck.tid < INITIATOR_TID_LIMIT;

     case RcvAbort:
        return event->u.RcvAbort.tid < INITIATOR_TID_LIMIT;

     case RcvErrorPDU:
        return event->u.RcvErrorPDU.tid < INITIATOR_TID_LIMIT;

     default:
        error(1, "Received an erroneous PDU corresponding an event");
        wap_event_dump(event);
        return -1;
     }
}

wtp_unpack_wdp_datagram()

List* wtp_unpack_wdp_datagram

(

WAPEvent *

datagram

)

Definition at line 98 of file wtp.c.

References concatenated_message(), gw_assert(), GW_WARNING, gwlist_append(), gwlist_create, octstr_copy, octstr_delete(), octstr_destroy(), octstr_dump, octstr_duplicate, octstr_get_bits(), octstr_get_char(), octstr_len(), WAPEvent::type, WAPEvent::u, unpack_wdp_datagram_real(), wap_event_assert(), wap_event_destroy(), wap_event_duplicate(), and warning().

Referenced by wap_dispatch_datagram(), and wtp_event_dump().

{
     List *events = NULL;
     WAPEvent *event = NULL;
     WAPEvent *subdgram = NULL;
     Octstr *data = NULL;
     long pdu_len;

     gw_assert(datagram->type == T_DUnitdata_Ind);

     events = gwlist_create();
        
     if (concatenated_message(datagram->u.T_DUnitdata_Ind.user_data)) {
        data = octstr_duplicate(datagram->u.T_DUnitdata_Ind.user_data);
        octstr_delete(data, 0, 1);

        while (octstr_len(data) != 0) {

            if (octstr_get_bits(data, 0, 1) == 0) {
                pdu_len = octstr_get_char(data, 0);
                octstr_delete(data, 0, 1);
            } else {
                pdu_len = octstr_get_bits(data, 1, 15);
                octstr_delete(data, 0, 2);
            }
      
            subdgram = wap_event_duplicate(datagram);
            octstr_destroy(subdgram->u.T_DUnitdata_Ind.user_data);
            subdgram->u.T_DUnitdata_Ind.user_data = octstr_copy(data, 0, pdu_len);
            wap_event_assert(subdgram);
            if ((event = unpack_wdp_datagram_real(subdgram)) != NULL) {
                wap_event_assert(event);
                gwlist_append(events, event);
            }
            octstr_delete(data, 0, pdu_len);
            wap_event_destroy(subdgram);
        }

        octstr_destroy(data);

    } else if ((event = unpack_wdp_datagram_real(datagram)) != NULL) { 
        wap_event_assert(event);
        gwlist_append(events, event);
    } else {
        warning(0, "WTP: Dropping unhandled datagram data:");
        octstr_dump(datagram->u.T_DUnitdata_Ind.user_data, 0, GW_WARNING);
    }

    return events;
}