212 lines
5.1 KiB
C++
212 lines
5.1 KiB
C++
/*
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* Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
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* Copyright 2010 Kestrel Signal Processing, Inc.
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*
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* This software is distributed under the terms of the GNU Affero Public License.
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* See the COPYING file in the main directory for details.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Transceiver.h"
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#include "radioDevice.h"
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#include "DummyLoad.h"
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#include <fstream>
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#include <time.h>
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#include <signal.h>
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#include <GSMCommon.h>
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#include <Logger.h>
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#include <Configuration.h>
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#define CONFIGDB "/etc/OpenBTS/OpenBTS.db"
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using namespace std;
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ConfigurationTable gConfig(CONFIGDB);
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volatile bool gbShutdown = false;
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static void ctrlCHandler(int signo)
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{
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cout << "Received shutdown signal" << endl;;
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gbShutdown = true;
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}
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/*
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* Attempt to open and test the database file before
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* accessing the configuration table. We do this because
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* the global table constructor cannot provide notification
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* in the event of failure.
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*/
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int testConfig(const char *filename)
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{
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int rc, val = 9999;
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bool status;
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sqlite3 *db;
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std::string result;
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std::string test = "sadf732zdvj2";
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const char *keys[3] = {
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"Log.Level",
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"TRX.Port",
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"TRX.IP",
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};
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/* Check for file existence */
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std::ifstream file(filename);
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if (!file.good()) {
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std::cerr << "Config: File not readable \""
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<< filename << "\"" << std::endl;
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return -1;
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} else {
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file.close();
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}
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/* Try to open the database */
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rc = sqlite3_open(filename, &db);
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if (rc || !db) {
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std::cerr << "Config: Database could not be opened" << std::endl;
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return -1;
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} else {
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sqlite3_close(db);
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}
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/* Attempt to set a value in the global config */
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if (!gConfig.set(test, val)) {
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std::cerr << "Config: Failed to set test key - "
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<< "permission to access the database?" << std::endl;
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return -1;
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} else {
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gConfig.remove(test);
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}
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/* Attempt to query */
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for (int i = 0; i < 3; i++) {
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try {
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result = gConfig.getStr(keys[i]);
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} catch (...) {
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std::cerr << "Config: Failed query on " << keys[i] << std::endl;
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return -1;
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}
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}
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return 0;
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}
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int main(int argc, char *argv[])
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{
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int trxPort;
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std::string deviceArgs, logLevel, trxAddr, txAntenna, rxAntenna;
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RadioDevice *usrp;
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RadioInterface* radio;
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DriveLoop *drive;
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Transceiver *trx;
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if (argc == 3)
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{
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deviceArgs = std::string(argv[2]);
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}
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else
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{
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deviceArgs = "";
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}
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if ( signal( SIGINT, ctrlCHandler ) == SIG_ERR )
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{
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cerr << "Couldn't install signal handler for SIGINT" << endl;
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exit(1);
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}
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if ( signal( SIGTERM, ctrlCHandler ) == SIG_ERR )
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{
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cerr << "Couldn't install signal handler for SIGTERM" << endl;
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exit(1);
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}
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// Configure logger.
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if (testConfig(CONFIGDB) < 0) {
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std::cerr << "Config: Database failure" << std::endl;
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return EXIT_FAILURE;
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}
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logLevel = gConfig.getStr("Log.Level");
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trxPort = gConfig.getNum("TRX.Port");
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trxAddr = gConfig.getStr("TRX.IP");
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gLogInit("transceiver", logLevel.c_str(), LOG_LOCAL7);
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if (gConfig.defines("GSM.Radio.TxAntenna"))
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txAntenna = gConfig.getStr("GSM.Radio.TxAntenna").c_str();
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if (gConfig.defines("GSM.Radio.RxAntenna"))
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rxAntenna = gConfig.getStr("GSM.Radio.RxAntenna").c_str();
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if (txAntenna != "")
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usrp->setTxAntenna(txAntenna);
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if (rxAntenna != "")
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usrp->setRxAntenna(rxAntenna);
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LOG(INFO) << "transceiver using transmit antenna " << usrp->getRxAntenna();
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LOG(INFO) << "transceiver using receive antenna " << usrp->getTxAntenna();
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srandom(time(NULL));
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usrp = RadioDevice::make(SAMPSPERSYM);
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int radioType = usrp->open(deviceArgs);
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if (radioType < 0) {
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LOG(ALERT) << "Transceiver exiting..." << std::endl;
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return EXIT_FAILURE;
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}
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switch (radioType) {
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case RadioDevice::NORMAL:
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radio = new RadioInterface(usrp, 3, SAMPSPERSYM, false);
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break;
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case RadioDevice::RESAMP:
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default:
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LOG(ALERT) << "Unsupported configuration";
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return EXIT_FAILURE;
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}
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drive = new DriveLoop(SAMPSPERSYM, GSM::Time(3,0), radio);
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if (!drive->init()) {
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LOG(ALERT) << "Failed to initialize drive loop";
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}
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trx = new Transceiver(trxPort, trxAddr.c_str(), SAMPSPERSYM, radio, drive, 0);
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radio->activateChan(0);
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if (!trx->init()) {
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LOG(ALERT) << "Failed to initialize transceiver";
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}
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trx->start();
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while (!gbShutdown)
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sleep(1);
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cout << "Shutting down transceiver..." << endl;
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trx->shutdown();
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delete trx;
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delete drive;
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delete radio;
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}
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