Exemplo n.º 1
0
        PDS SetReplyMode(byte[] buffer, int bufferLength)
        {
            byte   partition;
            int    i;
            string comma = "(";

            if (bufferLength < 5)
            {
                telnet.Trace.trace_ds(" error: wrong field length %d\n", bufferLength);
                return(PDS.BadCommand);
            }

            partition = buffer[3];
            telnet.Trace.trace_ds("(0x%02x)", partition);

            if (partition != 0x00)
            {
                telnet.Trace.trace_ds(" error: illegal partition\n");
                return(PDS.BadCommand);
            }

            switch (buffer[4])
            {
            case Codes.Field:
                telnet.Trace.trace_ds(" Field\n");
                break;

            case Codes.ExtendedField:
                telnet.Trace.trace_ds(" ExtendedField\n");
                break;

            case Codes.Character:
                telnet.Trace.trace_ds(" Character");
                break;

            default:
                telnet.Trace.trace_ds(" unknown mode 0x%02x\n", buffer[4]);
                return(PDS.BadCommand);
            }

            replyMode = buffer[4];
            if (buffer[4] == Codes.Character)
            {
                telnet.Controller.CrmnAttribute = bufferLength - 5;
                for (i = 5; i < bufferLength; i++)
                {
                    telnet.Controller.CrmAttributes[i - 5] = buffer[i];
                    telnet.Trace.trace_ds("%s%s", comma, See.GetEfaOnly(buffer[i]));
                    comma = ",";
                }
                telnet.Trace.trace_ds("%s\n", (telnet.Controller.CrmnAttribute != 0) ? ")" : "");
            }
            return(PDS.OkayNoOutput);
        }
Exemplo n.º 2
0
        void DoQueryReplay(NetBuffer obptr, byte code)
        {
            int    i;
            string comma = "";
            int    obptr0 = obptr.Index;
            int    num, denom;

            if (this.QrInProgress)
            {
                this.telnet.Trace.trace_ds("> StructuredField\n");
                this.QrInProgress = false;
            }

            obptr.Add16(0);
            obptr.Add(See.SFID_QREPLY);
            obptr.Add(code);

            switch (code)
            {
            case See.QR_CHARSETS:
            {
                this.telnet.Trace.trace_ds("> QueryReply(CharacterSets)\n");

                obptr.Add(0x82);                                        /* flags: GE, CGCSGID present */
                obptr.Add(0x00);                                        /* more flags */
                obptr.Add(7);                                           /* SDW */
                obptr.Add(7);                                           /* SDH */
                obptr.Add(0x00);                                        /* Load PS format types */
                obptr.Add(0x00);
                obptr.Add(0x00);
                obptr.Add(0x00);
                obptr.Add(0x07);                                        /* DL */
                obptr.Add(0x00);                                        /* SET 0: */
                obptr.Add(0x10);                                        /*  FLAGS: non-loadable, single-plane, single-byte, no compare */
                obptr.Add(0x00);                                        /*  LCID */
                obptr.Add32(cgcsgid);                                   /*  CGCSGID */

                // TODO: Missing font stuff for extended font information
                break;
            }

            case See.QR_IMP_PART:
            {
                this.telnet.Trace.trace_ds("> QueryReply(ImplicitPartition)\n");
                obptr.Add(0x0);                                         /* reserved */
                obptr.Add(0x0);
                obptr.Add(0x0b);                                        /* length of display size */
                obptr.Add(0x01);                                        /* "implicit partition size" */
                obptr.Add(0x00);                                        /* reserved */
                obptr.Add16(80);                                        /* implicit partition width */
                obptr.Add16(24);                                        /* implicit partition height */
                obptr.Add16(this.telnet.Controller.MaxColumns);         /* alternate height */
                obptr.Add16(this.telnet.Controller.MaxRows);            /* alternate width */
                break;
            }

            case See.QR_NULL:
            {
                this.telnet.Trace.trace_ds("> QueryReply(Null)\n");
                break;
            }

            case See.QR_SUMMARY:
            {
                this.telnet.Trace.trace_ds("> QueryReply(Summary(");
                for (i = 0; i < NSR; i++)
                {
                    this.telnet.Trace.trace_ds("%s%s", comma, See.GetQCodeode(this.SupportedReplies[i]));
                    comma = ",";
                    obptr.Add(this.SupportedReplies[i]);
                }
                this.telnet.Trace.trace_ds("))\n");
                break;
            }

            case See.QR_USABLE_AREA:
            {
                this.telnet.Trace.trace_ds("> QueryReply(UsableArea)\n");
                obptr.Add(0x01);                                        /* 12/14-bit addressing */
                obptr.Add(0x00);                                        /* no special character features */
                obptr.Add16(this.telnet.Controller.MaxColumns);         /* usable width */
                obptr.Add16(this.telnet.Controller.MaxRows);            /* usable height */
                obptr.Add(0x01);                                        /* units (mm) */
                num   = 100;
                denom = 1;
                while (0 == (num % 2) && 0 == (denom % 2))
                {
                    num   /= 2;
                    denom /= 2;
                }
                obptr.Add16((int)num);                                  /* Xr numerator */
                obptr.Add16((int)denom);                                /* Xr denominator */
                num   = 100;
                denom = 1;
                while (0 == (num % 2) && 0 == (denom % 2))
                {
                    num   /= 2;
                    denom /= 2;
                }
                obptr.Add16((int)num);                                                           /* Yr numerator */
                obptr.Add16((int)denom);                                                         /* Yr denominator */
                obptr.Add(7);                                                                    /* AW */
                obptr.Add(7);                                                                    /* AH */
                obptr.Add16(this.telnet.Controller.MaxColumns * this.telnet.Controller.MaxRows); /* buffer, questionable */
                break;
            }

            case See.QR_COLOR:
            {
                this.telnet.Trace.trace_ds("> QueryReply(Color)\n");
                obptr.Add(0x00);                                        /* no options */
                obptr.Add(this.telnet.Appres.color8 ? 8 : 16);          /* report on 8 or 16 colors */
                obptr.Add(0x00);                                        /* default color: */
                obptr.Add(0xf0 + See.COLOR_GREEN);                      /*  green */
                for (i = 0xf1; i <= (this.telnet.Appres.color8 ? 0xf8 : 0xff); i++)
                {
                    obptr.Add(i);
                    if (this.telnet.Appres.m3279)
                    {
                        obptr.Add(i);
                    }
                    else
                    {
                        obptr.Add(0x00);
                    }
                }
                break;
            }

            case See.QR_HIGHLIGHTING:
            {
                this.telnet.Trace.trace_ds("> QueryReply(Highlighting)\n");
                obptr.Add(5);                                           /* report on 5 pairs */
                obptr.Add(See.XAH_DEFAULT);                             /* default: */
                obptr.Add(See.XAH_NORMAL);                              /*  normal */
                obptr.Add(See.XAH_BLINK);                               /* blink: */
                obptr.Add(See.XAH_BLINK);                               /*  blink */
                obptr.Add(See.XAH_REVERSE);                             /* reverse: */
                obptr.Add(See.XAH_REVERSE);                             /*  reverse */
                obptr.Add(See.XAH_UNDERSCORE);                          /* underscore: */
                obptr.Add(See.XAH_UNDERSCORE);                          /*  underscore */
                obptr.Add(See.XAH_INTENSIFY);                           /* intensify: */
                obptr.Add(See.XAH_INTENSIFY);                           /*  intensify */
                break;
            }

            case See.QR_REPLY_MODES:
            {
                this.telnet.Trace.trace_ds("> QueryReply(ReplyModes)\n");
                obptr.Add(Codes.Field);
                obptr.Add(Codes.ExtendedField);
                obptr.Add(Codes.Character);
                break;
            }

            case See.QR_ALPHA_PART:
            {
                this.telnet.Trace.trace_ds("> QueryReply(AlphanumericPartitions)\n");
                obptr.Add(0);                                                                    /* 1 partition */
                obptr.Add16(this.telnet.Controller.MaxRows * this.telnet.Controller.MaxColumns); /* buffer space */
                obptr.Add(0);                                                                    /* no special features */
                break;
            }

            default:
            {
                // Internal error
                return;
            }
            }
            obptr.Add16At(obptr0, obptr.Index - obptr0);
        }
Exemplo n.º 3
0
        PDS ReadPart(byte[] buffer, int bufferLength)
        {
            byte partition;

            int       any   = 0;
            string    comma = "";
            NetBuffer obptr = null;

            if (bufferLength < 5)
            {
                telnet.Trace.trace_ds(" error: field length %d too small\n", bufferLength);
                return(PDS.BadCommand);
            }

            partition = buffer[3];
            this.telnet.Trace.trace_ds("(0x%02x)", partition);

            switch (buffer[4])
            {
            case Codes.Query:
            {
                this.telnet.Trace.trace_ds(" Query");

                if (partition != 0xff)
                {
                    this.telnet.Trace.trace_ds(" error: illegal partition\n");
                    return(PDS.BadCommand);
                }

                this.telnet.Trace.trace_ds("\n");
                obptr = this.QueryReplyStart();

                for (int i = 0; i < NSR; i++)
                {
                    this.DoQueryReplay(obptr, SupportedReplies[i]);
                }

                this.QueryReplyEnd(obptr);

                break;
            }

            case Codes.QueryList:
            {
                telnet.Trace.trace_ds(" QueryList ");

                if (partition != 0xff)
                {
                    telnet.Trace.trace_ds("error: illegal partition\n");
                    return(PDS.BadCommand);
                }

                if (bufferLength < 6)
                {
                    telnet.Trace.trace_ds("error: missing request type\n");
                    return(PDS.BadCommand);
                }

                obptr = QueryReplyStart();

                switch (buffer[5])
                {
                case Codes.QCodeList:
                {
                    telnet.Trace.trace_ds("List(");

                    if (bufferLength < 7)
                    {
                        telnet.Trace.trace_ds(")\n");
                        DoQueryReplay(obptr, See.QR_NULL);
                    }
                    else
                    {
                        for (int i = 6; i < bufferLength; i++)
                        {
                            telnet.Trace.trace_ds("%s%s", comma, See.GetQCodeode(buffer[i]));
                            comma = ",";
                        }

                        this.telnet.Trace.trace_ds(")\n");

                        for (int i = 0; i < NSR; i++)
                        {
                            bool found = false;

                            for (int pos = 0; pos < bufferLength - 6; pos++)
                            {
                                if (buffer[pos + 6] == this.SupportedReplies[i])
                                {
                                    found = true;
                                }
                            }

                            if (found)
                            {
                                this.DoQueryReplay(obptr, this.SupportedReplies[i]);
                                any++;
                            }
                        }

                        if (any == 0)
                        {
                            this.DoQueryReplay(obptr, See.QR_NULL);
                        }
                    }
                    break;
                }

                case Codes.EquivQCodeList:
                {
                    this.telnet.Trace.trace_ds("Equivlent+List(");
                    for (int i = 6; i < bufferLength; i++)
                    {
                        this.telnet.Trace.trace_ds("%s%s", comma, See.GetQCodeode(buffer[i]));
                        comma = ",";
                    }
                    this.telnet.Trace.trace_ds(")\n");
                    for (int i = 0; i < NSR; i++)
                    {
                        this.DoQueryReplay(obptr, this.SupportedReplies[i]);
                    }
                    break;
                }

                case Codes.All:
                {
                    this.telnet.Trace.trace_ds("All\n");
                    for (int i = 0; i < NSR; i++)
                    {
                        this.DoQueryReplay(obptr, this.SupportedReplies[i]);
                    }
                    break;
                }

                default:
                {
                    this.telnet.Trace.trace_ds("unknown request type 0x%02x\n", buffer[5]);
                    return(PDS.BadCommand);
                }
                }
                this.QueryReplyEnd(obptr);
                break;
            }

            case ControllerConstant.SNA_CMD_RMA:
            {
                this.telnet.Trace.trace_ds(" ReadModifiedAll");
                if (partition != 0x00)
                {
                    this.telnet.Trace.trace_ds(" error: illegal partition\n");
                    return(PDS.BadCommand);
                }
                this.telnet.Trace.trace_ds("\n");
                this.telnet.Controller.ProcessReadModifiedCommand(AID.QReply, true);
                break;
            }

            case ControllerConstant.SNA_CMD_RB:
            {
                this.telnet.Trace.trace_ds(" ReadBuffer");
                if (partition != 0x00)
                {
                    this.telnet.Trace.trace_ds(" error: illegal partition\n");
                    return(PDS.BadCommand);
                }
                this.telnet.Trace.trace_ds("\n");
                this.telnet.Controller.ProcessReadBufferCommand(AID.QReply);
                break;
            }

            case ControllerConstant.SNA_CMD_RM:
            {
                this.telnet.Trace.trace_ds(" ReadModified");
                if (partition != 0x00)
                {
                    this.telnet.Trace.trace_ds(" error: illegal partition\n");
                    return(PDS.BadCommand);
                }
                this.telnet.Trace.trace_ds("\n");
                this.telnet.Controller.ProcessReadModifiedCommand(AID.QReply, false);
                break;
            }

            default:
            {
                this.telnet.Trace.trace_ds(" unknown type 0x%02x\n", buffer[4]);
                return(PDS.BadCommand);
            }
            }
            return(PDS.OkayOutput);
        }
Exemplo n.º 4
0
        /// <summary>
        /// Parse the next byte in the client data stream
        /// </summary>
        /// <param name="v"></param>
        public void Parse(byte v)
        {
            Console.WriteLine("" + v);
            switch (cs)
            {
            case CS.Waiting:
                if (v == IAC)
                {
                    N("IAC");
                    cs = CS.R_IAC;
                }
                else
                {
                    // assume we're reading a header block
                    header   = null;
                    datatype = 0;
                    datapos  = 1;
                    data[0]  = v;
                    cs       = CS.R_HEADER;
                }
                break;

            case CS.R_HEADER:
                data[datapos] = v;
                datapos++;
                if (datapos == TnHeader.EhSize)
                {
                    header  = new TnHeader(data);
                    datapos = 0;
                    cs      = CS.R_HEADERDATA;
                }
                break;

            case CS.R_HEADERDATA:
                data[datapos] = v;

                if (datapos == 0)
                {
                    Console.WriteLine(See.GetAidFromCode(v));
                }
                if (datapos == 2)
                {
                    Console.WriteLine(Util.DecodeBAddress(data[1], data[2]));
                }

                if (datapos == 3 && data[3] != ControllerConstant.ORDER_SBA)
                {
                    throw new ApplicationException("ni");
                }
                else
                {
                    Console.WriteLine("SBA");
                }

                if (datapos == 5)
                {
                    int baddr = Util.DecodeBAddress(data[4], data[5]);
                    Console.WriteLine(BA_TO_COL(baddr) + ", " + BA_TO_ROW(baddr));
                }

                if (datapos > 5)
                {
                    Console.WriteLine(See.GetEbc(Tables.Cg2Ebc[data[datapos]]));
                }


                datapos++;
                break;

            case CS.R_IAC:
                if (v == SB)
                {
                    N("SB");
                    cs       = CS.R_DATA;
                    datatype = v;
                    datapos  = 0;
                }
                else if (v == WILL)
                {
                    N("WILL");
                    cs = CS.R_WILL;
                }
                else
                {
                    NError(v);
                }
                break;

            case CS.R_WILL:
                Console.WriteLine("will " + v);
                cs = CS.Waiting;
                break;

            case CS.R_DATA:
                if (v == IAC)
                {
                    cs = CS.R_IAC_END;
                }
                else
                {
                    data[datapos] = v;
                    datapos++;
                }
                break;

            case CS.R_IAC_END:
                if (v == IAC)
                {
                    data[datapos] = v;
                    datapos++;
                }
                else
                {
                    N("IAC");
                    if (v == SE)
                    {
                        N("SE");
                        N(data, datapos);
                        cs = CS.Waiting;
                    }
                    else
                    {
                        NError(v);
                    }
                }
                break;

            default:
                NError(v);
                break;
            }
        }