| /* |
| * Copyright 2012 Thomas Tsou <ttsou@vt.edu> |
| * |
| * 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/>. |
| * See the COPYING file in the main directory for details. |
| */ |
| |
| #include <time.h> |
| #include <signal.h> |
| |
| #include <GSMCommon.h> |
| #include <Logger.h> |
| #include <Configuration.h> |
| |
| #include "Transceiver.h" |
| #include "radioDevice.h" |
| #include "RTMD.h" |
| |
| ConfigurationTable gConfig("/etc/OpenBTS/OpenBTS.db"); |
| |
| volatile bool gbShutdown = false; |
| |
| int Transceiver::mTSC = -1; |
| |
| static void sigHandler(int signum) |
| { |
| LOG(NOTICE) << "Received shutdown signal"; |
| gbShutdown = true; |
| } |
| |
| static int setupSignals() |
| { |
| struct sigaction action; |
| |
| action.sa_handler = sigHandler; |
| sigemptyset(&action.sa_mask); |
| action.sa_flags = 0; |
| |
| if (sigaction(SIGINT, &action, NULL) < 0) |
| return -1; |
| if (sigaction(SIGTERM, &action, NULL) < 0) |
| return -1; |
| |
| return 0; |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| int numARFCN = 1; |
| |
| if (argc > 1) { |
| numARFCN = atoi(argv[1]); |
| if (numARFCN > CHAN_MAX) { |
| LOG(ALERT) << numARFCN << " channels not supported " |
| << " with with current build"; |
| exit(-1); |
| } |
| } |
| |
| gLogInit("transceiver", gConfig.getStr("Log.Level").c_str(), LOG_LOCAL7); |
| srandom(time(NULL)); |
| // Allocate RAM for the real-time log. |
| // 4M items = 4*32Mb RAM |
| RTMD_INIT(4*1024*1024); |
| |
| if (setupSignals() < 0) { |
| LOG(ERR) << "Failed to setup signal handlers, exiting..."; |
| exit(-1); |
| } |
| |
| RadioDevice *device = RadioDevice::make(SAMPSPERSYM); |
| int radioType = device->open(""); |
| if (radioType < 0) { |
| LOG(ALERT) << "Failed to open device, exiting..."; |
| return EXIT_FAILURE; |
| } |
| |
| RadioInterface *radio; |
| switch (radioType) { |
| case RadioDevice::NORMAL: |
| radio = new RadioInterface(device, numARFCN); |
| break; |
| case RadioDevice::RESAMP: |
| default: |
| LOG(ALERT) << "Unsupported configuration"; |
| return EXIT_FAILURE; |
| } |
| |
| DriveLoop *drive = new DriveLoop(5700, "127.0.0.1", radio, numARFCN, 0); |
| |
| Transceiver *trx[CHAN_MAX]; |
| bool primary = true; |
| for (int i = 0; i < numARFCN; i++) { |
| trx[i] = new Transceiver(5700 + 2 * i, "127.0.0.1", |
| drive, radio, SAMPSPERSYM, |
| i, primary); |
| trx[i]->start(); |
| primary = false; |
| } |
| |
| while (!gbShutdown) |
| sleep(1); |
| |
| LOG(NOTICE) << "Shutting down transceivers..."; |
| RTMD_FLUSH("osmo-trx.rtmd"); |
| for (int i = 0; i < numARFCN; i++) |
| trx[i]->shutdown(); |
| |
| for (int i = 0; i < numARFCN; i++) |
| delete trx[i]; |
| delete drive; |
| delete radio; |
| delete device; |
| } |