| |
| /* (C) 2012-2013 by Harald Welte <laforge@gnumonks.org> |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| |
| #include "smpp_smsc.h" |
| #include <osmocom/core/logging.h> |
| |
| int smpp_determine_scheme(uint8_t dcs, uint8_t *data_coding, int *mode) |
| { |
| if ((dcs & 0xF0) == 0xF0) { |
| if (dcs & 0x04) { |
| /* bit 2 == 1: 8bit data */ |
| *data_coding = 0x02; |
| *mode = MODE_8BIT; |
| } else { |
| /* bit 2 == 0: default alphabet */ |
| *data_coding = 0x01; |
| *mode = MODE_7BIT; |
| } |
| } else if ((dcs & 0xE0) == 0) { |
| switch (dcs & 0xC) { |
| case 0: |
| *data_coding = 0x01; |
| *mode = MODE_7BIT; |
| break; |
| case 4: |
| *data_coding = 0x02; |
| *mode = MODE_8BIT; |
| break; |
| case 8: |
| *data_coding = 0x08; /* UCS-2 */ |
| *mode = MODE_8BIT; |
| break; |
| default: |
| goto unknown_mo; |
| } |
| } else { |
| unknown_mo: |
| LOGP(DLSMS, LOGL_ERROR, "SMPP MO Unknown Data Coding 0x%02x\n", dcs); |
| return -1; |
| } |
| |
| return 0; |
| |
| } |