| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.client.net.DssConstants |
| 4 | |
| 5 | Copyright (c) 2001, 2005 The Apache Software Foundation or its licensors, where applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | package org.apache.derby.client.net; |
| 22 | |
| 23 | class DssConstants { |
| 24 | static final int MAX_DSS_LEN = 32767; |
| 25 | |
| 26 | // Registered SNA GDS identifier indicating DDM data (xD0 for DDM data). |
| 27 | static final int GDS_ID = 0xD0; |
| 28 | |
| 29 | // GDS chaining bits. |
| 30 | static final int GDSCHAIN = 0x40; |
| 31 | |
| 32 | // GDS chaining bits where next DSS has different correlation ID. |
| 33 | static final int GDSCHAIN_SAME_ID = 0x10; |
| 34 | |
| 35 | // GDS formatter for an Encrypted OBJDSS. |
| 36 | static final int GDSFMT_ENCOBJDSS = 0x04; |
| 37 | |
| 38 | // GDS formatter for an OBJDSS. |
| 39 | static final int GDSFMT_OBJDSS = 0x03; |
| 40 | |
| 41 | // GDS formatter for an RPYDSS. |
| 42 | static final int GDSFMT_RPYDSS = 0x02; |
| 43 | |
| 44 | // GDS formatter for an RQSDSS. |
| 45 | static final int GDSFMT_RQSDSS = 0x01; |
| 46 | |
| 47 | |
| 48 | // GDS formatter for an RQSDSS without a reply. |
| 49 | static final int GDSFMT_RQSDSS_NOREPLY = 0x05; |
| 50 | |
| 51 | static final byte RQST_CHN_DIFFCOR_CONT = (byte) 0x61; |
| 52 | static final byte RQST_CHN_DIFFCOR_NOCONT = (byte) 0x41; |
| 53 | static final byte RQST_CHN_SAMECOR_CONT = (byte) 0x71; |
| 54 | static final byte RQST_CHN_SAMECOR_NOCONT = (byte) 0x51; |
| 55 | static final byte RQST_NOCHN_CONT = (byte) 0x21; |
| 56 | static final byte RQST_NOCHN_NOCONT = (byte) 0x01; |
| 57 | |
| 58 | static final byte RPY_CHN_DIFFCOR_CONT = (byte) 0x62; |
| 59 | static final byte RPY_CHN_DIFFCOR_NOCONT = (byte) 0x42; |
| 60 | static final byte RPY_CHN_SAMECOR_CONT = (byte) 0x72; |
| 61 | static final byte RPY_CHN_SAMECOR_NOCONT = (byte) 0x52; |
| 62 | static final byte RPY_NOCHN_CONT = (byte) 0x22; |
| 63 | static final byte RPY_NOCHN_NOCONT = (byte) 0x02; |
| 64 | |
| 65 | // hide the default constructor |
| 66 | private DssConstants() { |
| 67 | } |
| 68 | } |