BeaconC5(ARFCNManager *radio)
{
LOG(DEBUG);
unsigned TN = 0;
radio->setSlot(TN,5);
SCH.downstream(radio);
SCH.l1open();
FCCH.downstream(radio);
FCCH.l1open();
BCCH.downstream(radio);
BCCH.l1open();
RACH = new RACHL1FEC(gRACHC5Mapping,0);
RACH->downstream(radio);
RACH->l1open();
CCCH = new CCCHLogicalChannel(0, gCCCH_C5Mapping); // Always ccch_grooup == 0
CCCH->downstream(radio);
CCCH->ccchOpen();
// C-V C0T0 SDCCHs
C0T0SDCCH[0] = new SDCCHLogicalChannel(0,0,gSDCCH_4_0);
C0T0SDCCH[1] = new SDCCHLogicalChannel(0,0,gSDCCH_4_1);
C0T0SDCCH[2] = new SDCCHLogicalChannel(0,0,gSDCCH_4_2);
C0T0SDCCH[3] = new SDCCHLogicalChannel(0,0,gSDCCH_4_3);
// GSM 5.02 6.4.1: Subchannel 2 used for CBCH if CBS enabled.
// (pat) CBCH location is advertised in L3SystemInformationType4.
bool SMSCB = isCBSEnabled();
for (int i=0; i<4; i++) {
if (SMSCB && (i==2)) continue;
C0T0SDCCH[i]->downstream(radio);
C0T0SDCCHControlThread[i].start((void*(*)(void*))Control::DCCHDispatcher,dynamic_cast<L3LogicalChannel*>(C0T0SDCCH[i]));
C0T0SDCCH[i]->lcinit();
C0T0SDCCH[i]->lcstart(); // Everything on channel 0 needs to broadcast constantly.
gBTS.addSDCCH(C0T0SDCCH[i]);
}
// Install CBCH if used.
if (SMSCB) {
gBTS.createCBCH(radio,SDCCH_4_2,0,0);
}
}
int main(int argc, char *argv[])
{
try {
srandom(time(NULL));
gConfig.setUpdateHook(purgeConfig);
gLogInit("openbts",gConfig.getStr("Log.Level").c_str(),LOG_LOCAL7);
LOG(ALERT) << "OpenBTS starting, ver " << VERSION << " build date " << __DATE__;
COUT("\n\n" << gOpenBTSWelcome << "\n");
gTMSITable.open(gConfig.getStr("Control.Reporting.TMSITable").c_str());
gTransactionTable.init();
gPhysStatus.open(gConfig.getStr("Control.Reporting.PhysStatusTable").c_str());
gBTS.init();
gSubscriberRegistry.init();
gParser.addCommands();
COUT("\nStarting the system...");
Thread transceiverThread;
transceiverThread.start((void*(*)(void*)) startTransceiver, NULL);
// Start the SIP interface.
gSIPInterface.start();
//
// Configure the radio.
//
// Start the transceiver interface.
// Sleep long enough for the USRP to bootload.
sleep(5);
gTRX.start();
// Set up the interface to the radio.
// Get a handle to the C0 transceiver interface.
ARFCNManager* C0radio = gTRX.ARFCN();
// Tuning.
// Make sure its off for tuning.
C0radio->powerOff();
// Get the ARFCN list.
unsigned C0 = gConfig.getNum("GSM.Radio.C0");
// Tune the radio.
LOG(INFO) << "tuning TRX to ARFCN " << C0;
ARFCNManager* radio = gTRX.ARFCN();
radio->tune(C0);
// Set TSC same as BCC everywhere.
C0radio->setTSC(gBTS.BCC());
// Set maximum expected delay spread.
C0radio->setMaxDelay(gConfig.getNum("GSM.Radio.MaxExpectedDelaySpread"));
// Set Receiver Gain
C0radio->setRxGain(gConfig.getNum("GSM.Radio.RxGain"));
// Turn on and power up.
C0radio->powerOn();
C0radio->setPower(gConfig.getNum("GSM.Radio.PowerManager.MinAttenDB"));
//
// Create a C-V channel set on C0T0.
//
// C-V on C0T0
C0radio->setSlot(0,5);
// SCH
SCHL1FEC SCH;
SCH.downstream(C0radio);
SCH.open();
// FCCH
FCCHL1FEC FCCH;
FCCH.downstream(C0radio);
FCCH.open();
// BCCH
BCCHL1FEC BCCH;
BCCH.downstream(C0radio);
BCCH.open();
// RACH
RACHL1FEC RACH(gRACHC5Mapping);
RACH.downstream(C0radio);
RACH.open();
// CCCHs
CCCHLogicalChannel CCCH0(gCCCH_0Mapping);
CCCH0.downstream(C0radio);
CCCH0.open();
CCCHLogicalChannel CCCH1(gCCCH_1Mapping);
CCCH1.downstream(C0radio);
CCCH1.open();
CCCHLogicalChannel CCCH2(gCCCH_2Mapping);
CCCH2.downstream(C0radio);
CCCH2.open();
// use CCCHs as AGCHs
gBTS.addAGCH(&CCCH0);
gBTS.addAGCH(&CCCH1);
gBTS.addAGCH(&CCCH2);
// C-V C0T0 SDCCHs
SDCCHLogicalChannel C0T0SDCCH[4] = {
SDCCHLogicalChannel(0,gSDCCH_4_0),
SDCCHLogicalChannel(0,gSDCCH_4_1),
SDCCHLogicalChannel(0,gSDCCH_4_2),
SDCCHLogicalChannel(0,gSDCCH_4_3),
};
Thread C0T0SDCCHControlThread[4];
for (int i=0; i<4; i++) {
C0T0SDCCH[i].downstream(C0radio);
C0T0SDCCHControlThread[i].start((void*(*)(void*))Control::DCCHDispatcher,&C0T0SDCCH[i]);
C0T0SDCCH[i].open();
gBTS.addSDCCH(&C0T0SDCCH[i]);
}
//
// Configure the other slots.
//
// Count configured slots.
unsigned sCount = 1;
if (gConfig.defines("GSM.Channels.C1sFirst")) {
// Create C-I slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC1s"); i++) {
gBTS.createCombinationI(gTRX,sCount);
sCount++;
}
}
// Create C-VII slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC7s"); i++) {
gBTS.createCombinationVII(gTRX,sCount);
sCount++;
}
if (!gConfig.defines("GSM.Channels.C1sFirst")) {
// Create C-I slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC1s"); i++) {
gBTS.createCombinationI(gTRX,sCount);
sCount++;
}
}
// Set up idle filling on C0 as needed.
while (sCount<8) {
gBTS.createCombination0(gTRX,sCount);
sCount++;
}
/*
Note: The number of different paging subchannels on
the CCCH is:
MAX(1,(3 - BS-AG-BLKS-RES)) * BS-PA-MFRMS
if CCCH-CONF = "001"
(9 - BS-AG-BLKS-RES) * BS-PA-MFRMS
for other values of CCCH-CONF
*/
// Set up the pager.
// Set up paging channels.
// HACK -- For now, use a single paging channel, since paging groups are broken.
gBTS.addPCH(&CCCH2);
// Be sure we are not over-reserving.
LOG_ASSERT(gConfig.getNum("GSM.CCCH.PCH.Reserve")<(int)gBTS.numAGCHs());
// OK, now it is safe to start the BTS.
gBTS.start();
#ifdef HAVE_LIBREADLINE // [
// start console
using_history();
static const char * const history_file_name = "/.openbts_history";
char *history_name = 0;
char *home_dir = getenv("HOME");
if(home_dir) {
size_t home_dir_len = strlen(home_dir);
size_t history_file_len = strlen(history_file_name);
size_t history_len = home_dir_len + history_file_len + 1;
if(history_len > home_dir_len) {
if(!(history_name = (char *)malloc(history_len))) {
LOG(ERR) << "malloc failed: " << strerror(errno);
exit(2);
}
memcpy(history_name, home_dir, home_dir_len);
memcpy(history_name + home_dir_len, history_file_name,
history_file_len + 1);
read_history(history_name);
}
}
#endif // HAVE_LIBREADLINE ]
LOG(INFO) << "system ready";
COUT("\n\nWelcome to OpenBTS. Type \"help\" to see available commands.");
// FIXME: We want to catch control-d (emacs keybinding for exit())
// The logging parts were removed from this loop.
// If we want them back, they will need to go into their own thread.
while (1) {
#ifdef HAVE_LIBREADLINE // [
char *inbuf = readline(gConfig.getStr("CLI.Prompt").c_str());
if (!inbuf) break;
if (*inbuf) {
add_history(inbuf);
// The parser returns -1 on exit.
if (gParser.process(inbuf, cout, cin)<0) {
free(inbuf);
break;
}
}
free(inbuf);
#else // HAVE_LIBREADLINE ][
cout << endl << gConfig.getStr("CLI.Prompt");
cout.flush();
char inbuf[1024];
cin.getline(inbuf,1024,'\n');
// The parser returns -1 on exit.
if (gParser.process(inbuf,cout,cin)<0) break;
#endif // !HAVE_LIBREADLINE ]
}
#ifdef HAVE_LIBREADLINE // [
if(history_name) {
int e = write_history(history_name);
if(e) {
fprintf(stderr, "error: history: %s\n", strerror(e));
}
free(history_name);
history_name = 0;
}
#endif // HAVE_LIBREADLINE ]
if (gTransceiverPid) kill(gTransceiverPid, SIGKILL);
}
catch (ConfigurationTableKeyNotFound e) {
LOG(ALERT) << "configuration key " << e.key() << " not defined";
exit(2);
}
}
int main(int argc, char *argv[])
{
//mtrace(); // (pat) Enable memory leak detection. Unfortunately, huge amounts of code have been started in the constructors above.
gLogGroup.setAll();
// TODO: Properly parse and handle any arguments
if (argc > 1) {
bool testflag = false;
for (int argi = 1; argi < argc; argi++) { // Skip argv[0] which is the program name.
if (!strcmp(argv[argi], "--version") || !strcmp(argv[argi], "-v")) {
// Print the version number and exit immediately.
cout << gVersionString << endl;
return 0;
}
if (!strcmp(argv[argi], "--test")) {
testflag = true;
continue;
}
if (!strcmp(argv[argi], "--gensql")) {
cout << gConfig.getDefaultSQL(string(argv[0]), gVersionString) << endl;
return 0;
}
if (!strcmp(argv[argi], "--gentex")) {
cout << gConfig.getTeX(string(argv[0]), gVersionString) << endl;
return 0;
}
// (pat) Adding support for specified sql file.
// Unfortunately, the Config table was inited quite some time ago,
// so stick this arg in the environment, whence the ConfigurationTable can find it, and then reboot.
if (!strcmp(argv[argi],"--config")) {
if (++argi == argc) {
LOG(ALERT) <<"Missing argument to --config option";
exit(2);
}
setenv(cOpenBTSConfigEnv,argv[argi],1);
execl(argv[0],"OpenBTS",NULL);
LOG(ALERT) <<"execl failed? Exiting...";
exit(0);
}
if (!strcmp(argv[argi],"--help")) {
printf("OpenBTS [--version --gensql --gentex] [--config file.db]\n");
printf("OpenBTS exiting...\n");
exit(0);
}
printf("OpenBTS: unrecognized argument: %s\nexiting...\n",argv[argi]);
}
if (testflag) { GSM::TestTCHL1FEC(); return 0; }
}
createStats();
gConfig.setCrossCheckHook(&configurationCrossCheck);
gReports.incr("OpenBTS.Starts");
gNeighborTable.NeighborTableInit(
gConfig.getStr("Peering.NeighborTable.Path").c_str());
int sock = socket(AF_UNIX,SOCK_DGRAM,0);
if (sock<0) {
perror("creating CLI datagram socket");
LOG(ALERT) << "cannot create socket for CLI";
gReports.incr("OpenBTS.Exit.CLI.Socket");
exit(1);
}
try {
srandom(time(NULL));
gConfig.setUpdateHook(purgeConfig);
LOG(ALERT) << "OpenBTS (re)starting, ver " << VERSION << " build date " << __DATE__;
LOG(ALERT) << "OpenBTS reading config file "<<cOpenBTSConfigFile;
COUT("\n\n" << gOpenBTSWelcome << "\n");
Control::controlInit(); // init Layer3: TMSITable, TransactionTable.
gPhysStatus.open(gConfig.getStr("Control.Reporting.PhysStatusTable").c_str());
gBTS.init();
gParser.addCommands();
COUT("\nStarting the system...");
// is the radio running?
// Start the transceiver interface.
LOG(INFO) << "checking transceiver";
//gTRX.ARFCN(0)->powerOn();
//sleep(gConfig.getNum("TRX.Timeout.Start"));
//bool haveTRX = gTRX.ARFCN(0)->powerOn(false); This prints an inapplicable warning message.
bool haveTRX = gTRX.ARFCN(0)->trxRunning(); // This does not print an inapplicable warning message.
Thread transceiverThread;
if (!haveTRX) {
LOG(ALERT) << "starting the transceiver";
transceiverThread.start((void*(*)(void*)) startTransceiver, NULL);
// sleep to let the FPGA code load
// TODO: we should be "pinging" the radio instead of sleeping
sleep(5);
} else {
LOG(NOTICE) << "transceiver already running";
}
// Start the SIP interface.
SIP::SIPInterfaceStart();
// Start the peer interface
gPeerInterface.start();
// Sync factory calibration as defaults from radio EEPROM
signed sdrsn = gTRX.ARFCN(0)->getFactoryCalibration("sdrsn");
if (sdrsn != 0 && sdrsn != 65535) {
signed val;
val = gTRX.ARFCN(0)->getFactoryCalibration("band");
if (gConfig.isValidValue("GSM.Radio.Band", val)) {
gConfig.mSchema["GSM.Radio.Band"].updateDefaultValue(val);
}
val = gTRX.ARFCN(0)->getFactoryCalibration("freq");
if (gConfig.isValidValue("TRX.RadioFrequencyOffset", val)) {
gConfig.mSchema["TRX.RadioFrequencyOffset"].updateDefaultValue(val);
}
val = gTRX.ARFCN(0)->getFactoryCalibration("rxgain");
if (gConfig.isValidValue("GSM.Radio.RxGain", val)) {
gConfig.mSchema["GSM.Radio.RxGain"].updateDefaultValue(val);
}
val = gTRX.ARFCN(0)->getFactoryCalibration("txgain");
if (gConfig.isValidValue("TRX.TxAttenOffset", val)) {
gConfig.mSchema["TRX.TxAttenOffset"].updateDefaultValue(val);
}
}
// Limit valid ARFCNs to current band
gConfig.mSchema["GSM.Radio.C0"].updateValidValues(getARFCNsString(gConfig.getNum("GSM.Radio.Band")));
//
// Configure the radio.
//
gTRX.start();
// Set up the interface to the radio.
// Get a handle to the C0 transceiver interface.
ARFCNManager* C0radio = gTRX.ARFCN(0);
// Tuning.
// Make sure its off for tuning.
//C0radio->powerOff();
// Get the ARFCN list.
unsigned C0 = gConfig.getNum("GSM.Radio.C0");
unsigned numARFCNs = gConfig.getNum("GSM.Radio.ARFCNs");
for (unsigned i=0; i<numARFCNs; i++) {
// Tune the radios.
unsigned ARFCN = C0 + i*2;
LOG(INFO) << "tuning TRX " << i << " to ARFCN " << ARFCN;
ARFCNManager* radio = gTRX.ARFCN(i);
radio->tune(ARFCN);
}
// Send either TSC or full BSIC depending on radio need
if (gConfig.getBool("GSM.Radio.NeedBSIC")) {
// Send BSIC to
C0radio->setBSIC(gBTS.BSIC());
} else {
// Set TSC same as BCC everywhere.
C0radio->setTSC(gBTS.BCC());
}
// Set maximum expected delay spread.
C0radio->setMaxDelay(gConfig.getNum("GSM.Radio.MaxExpectedDelaySpread"));
// Set Receiver Gain
C0radio->setRxGain(gConfig.getNum("GSM.Radio.RxGain"));
// Turn on and power up.
C0radio->powerOn(true);
C0radio->setPower(gConfig.getNum("GSM.Radio.PowerManager.MinAttenDB"));
//
// Create a C-V channel set on C0T0.
//
// C-V on C0T0
C0radio->setSlot(0,5);
// SCH
SCHL1FEC SCH;
SCH.downstream(C0radio);
SCH.open();
// FCCH
FCCHL1FEC FCCH;
FCCH.downstream(C0radio);
FCCH.open();
// BCCH
BCCHL1FEC BCCH;
BCCH.downstream(C0radio);
BCCH.open();
// RACH
RACHL1FEC RACH(gRACHC5Mapping);
RACH.downstream(C0radio);
RACH.open();
// CCCHs
CCCHLogicalChannel CCCH0(gCCCH_0Mapping);
CCCH0.downstream(C0radio);
CCCH0.open();
CCCHLogicalChannel CCCH1(gCCCH_1Mapping);
CCCH1.downstream(C0radio);
CCCH1.open();
CCCHLogicalChannel CCCH2(gCCCH_2Mapping);
CCCH2.downstream(C0radio);
CCCH2.open();
// use CCCHs as AGCHs
gBTS.addAGCH(&CCCH0);
gBTS.addAGCH(&CCCH1);
gBTS.addAGCH(&CCCH2);
// C-V C0T0 SDCCHs
// (pat) I thought config 'GSM.CCCH.CCCH-CONF' was supposed to control the number of SDCCH allocated?
SDCCHLogicalChannel C0T0SDCCH[4] = {
SDCCHLogicalChannel(0,0,gSDCCH_4_0),
SDCCHLogicalChannel(0,0,gSDCCH_4_1),
SDCCHLogicalChannel(0,0,gSDCCH_4_2),
SDCCHLogicalChannel(0,0,gSDCCH_4_3),
};
Thread C0T0SDCCHControlThread[4];
// Subchannel 2 used for CBCH if SMSCB enabled.
bool SMSCB = (gConfig.getStr("Control.SMSCB.Table").length() != 0);
CBCHLogicalChannel CBCH(gSDCCH_4_2);
Thread CBCHControlThread;
for (int i=0; i<4; i++) {
if (SMSCB && (i==2)) continue;
C0T0SDCCH[i].downstream(C0radio);
C0T0SDCCHControlThread[i].start((void*(*)(void*))Control::DCCHDispatcher,&C0T0SDCCH[i]);
C0T0SDCCH[i].open();
gBTS.addSDCCH(&C0T0SDCCH[i]);
}
// Install CBCH if used.
if (SMSCB) {
LOG(INFO) << "creating CBCH for SMSCB";
CBCH.downstream(C0radio);
CBCH.open();
gBTS.addCBCH(&CBCH);
CBCHControlThread.start((void*(*)(void*))Control::SMSCBSender,NULL);
}
//
// Configure the other slots.
//
// Count configured slots.
unsigned sCount = 1;
if (!gConfig.defines("GSM.Channels.NumC1s")) {
int numChan = numARFCNs*7;
LOG(CRIT) << "GSM.Channels.NumC1s not defined. Defaulting to " << numChan << ".";
gConfig.set("GSM.Channels.NumC1s",numChan);
}
if (!gConfig.defines("GSM.Channels.NumC7s")) {
int numChan = numARFCNs-1;
LOG(CRIT) << "GSM.Channels.NumC7s not defined. Defaulting to " << numChan << ".";
gConfig.set("GSM.Channels.NumC7s",numChan);
}
// sanity check on channel counts
// the clamp here could be improved to take the customer's current ratio of C1:C7 and scale it back to fit in the window
if (((numARFCNs * 8) - 1) < (gConfig.getNum("GSM.Channels.NumC1s") + gConfig.getNum("GSM.Channels.NumC7s"))) {
LOG(CRIT) << "scaling back GSM.Channels.NumC1s and GSM.Channels.NumC7s to fit inside number of available timeslots";
gConfig.set("GSM.Channels.NumC1s",numARFCNs*7);
gConfig.set("GSM.Channels.NumC7s",numARFCNs-1);
}
if (gConfig.getBool("GSM.Channels.C1sFirst")) {
// Create C-I slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC1s"); i++) {
gBTS.createCombinationI(gTRX,sCount/8,sCount%8);
sCount++;
}
}
// Create C-VII slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC7s"); i++) {
gBTS.createCombinationVII(gTRX,sCount/8,sCount%8);
sCount++;
}
if (!gConfig.getBool("GSM.Channels.C1sFirst")) {
// Create C-I slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC1s"); i++) {
gBTS.createCombinationI(gTRX,sCount/8,sCount%8);
sCount++;
}
}
if (sCount<(numARFCNs*8)) {
LOG(CRIT) << "Only " << sCount << " timeslots configured in an " << numARFCNs << "-ARFCN system.";
}
// Set up idle filling on C0 as needed for unconfigured slots..
while (sCount<8) {
gBTS.createCombination0(gTRX,sCount);
sCount++;
}
/* (pat) See GSM 05.02 6.5.2 and 3.3.2.3
Note: The number of different paging subchannels on
the CCCH is:
MAX(1,(3 - BS-AG-BLKS-RES)) * BS-PA-MFRMS
if CCCH-CONF = "001"
(9 - BS-AG-BLKS-RES) * BS-PA-MFRMS
for other values of CCCH-CONF
*/
// Set up the pager.
// Set up paging channels.
// HACK -- For now, use a single paging channel, since paging groups are broken.
gBTS.addPCH(&CCCH2);
// Be sure we are not over-reserving.
if (gConfig.getNum("GSM.Channels.SDCCHReserve")>=(int)gBTS.SDCCHTotal()) {
unsigned val = gBTS.SDCCHTotal() - 1;
LOG(CRIT) << "GSM.Channels.SDCCHReserve too big, changing to " << val;
gConfig.set("GSM.Channels.SDCCHReserve",val);
}
// OK, now it is safe to start the BTS.
gBTS.start();
struct sockaddr_un cmdSockName;
cmdSockName.sun_family = AF_UNIX;
const char* sockpath = gConfig.getStr("CLI.SocketPath").c_str();
char rmcmd[strlen(sockpath)+5];
sprintf(rmcmd,"rm -f %s",sockpath);
if (system(rmcmd)) {} // The 'if' shuts up gcc warnings.
strcpy(cmdSockName.sun_path,sockpath);
LOG(INFO) "binding CLI datagram socket at " << sockpath;
if (bind(sock, (struct sockaddr *) &cmdSockName, sizeof(struct sockaddr_un))) {
perror("binding name to cmd datagram socket");
LOG(ALERT) << "cannot bind socket for CLI at " << sockpath;
gReports.incr("OpenBTS.Exit.CLI.Socket");
exit(1);
}
COUT("\nsystem ready\n");
if (chmod(sockpath, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) < 0)
{
perror("sockpath");
// don't exit, at this point, we must run CLI as root
COUT("\nuse the OpenBTSCLI utility to access CLI as root\n");
} else
{
COUT("\nuse the OpenBTSCLI utility to access CLI\n");
}
LOG(INFO) << "system ready";
gParser.startCommandLine();
while (1) {
char cmdbuf[1000];
struct sockaddr_un source;
socklen_t sourceSize = sizeof(source);
int nread = recvfrom(sock,cmdbuf,sizeof(cmdbuf)-1,0,(struct sockaddr*)&source,&sourceSize);
gReports.incr("OpenBTS.CLI.Command");
cmdbuf[nread]='\0';
LOG(INFO) << "received command \"" << cmdbuf << "\" from " << source.sun_path;
std::ostringstream sout;
int res = gParser.process(cmdbuf,sout);
const std::string rspString= sout.str();
const char* rsp = rspString.c_str();
LOG(INFO) << "sending " << strlen(rsp) << "-char result to " << source.sun_path;
if (sendto(sock,rsp,strlen(rsp)+1,0,(struct sockaddr*)&source,sourceSize)<0) {
LOG(ERR) << "can't send CLI response to " << source.sun_path;
gReports.incr("OpenBTS.CLI.Command.ResponseFailure");
}
// res<0 means to exit the application
if (res<0) break;
}
} // try
catch (ConfigurationTableKeyNotFound e) {
LOG(EMERG) << "required configuration parameter " << e.key() << " not defined, aborting";
gReports.incr("OpenBTS.Exit.Error.ConfigurationParamterNotFound");
}
LOG(ALERT) << "exiting OpenBTS as directed by command line...";
//if (gTransceiverPid) kill(gTransceiverPid, SIGKILL);
close(sock);
}
int main(int argc, char *argv[])
{
srandom(time(NULL));
COUT("\n\n" << gOpenBTSWelcome << "\n");
COUT("\nStarting the system...");
gSetLogLevel(gConfig.getStr("LogLevel"));
if (gConfig.defines("LogFileName")) {
gSetLogFile(gConfig.getStr("LogFileName"));
}
// Start the transceiver binary, if the path is defined.
// If the path is not defined, the transceiver must be started by some other process.
const char *TRXPath = NULL;
if (gConfig.defines("TRX.Path")) TRXPath=gConfig.getStr("TRX.Path");
pid_t transceiverPid = 0;
if (TRXPath) {
const char *TRXLogLevel = gConfig.getStr("TRX.LogLevel");
const char *TRXLogFileName = NULL;
if (gConfig.defines("TRX.LogFileName")) TRXLogFileName=gConfig.getStr("TRX.LogFileName");
transceiverPid = vfork();
assert(transceiverPid>=0);
if (transceiverPid==0) {
execl(TRXPath,"transceiver",TRXLogLevel,TRXLogFileName,NULL);
LOG(ERROR) << "cannot start transceiver";
_exit(0);
}
}
// Start the SIP interface.
gSIPInterface.start();
// Start the transceiver interface.
gTRX.start();
// Set up the interface to the radio.
// Get a handle to the C0 transceiver interface.
ARFCNManager* radio = gTRX.ARFCN(0);
// Tuning.
// Make sure its off for tuning.
radio->powerOff();
// Set TSC same as BSC everywhere.
radio->setTSC(gBTS.BCC());
// Tune.
radio->tune(gConfig.getNum("GSM.ARFCN"));
// C-V on C0T0
radio->setSlot(0,5);
// Turn on and power up.
radio->powerOn();
radio->setPower(gConfig.getNum("GSM.PowerAttenDB"));
// set up a combination V beacon set
// SCH
SCHL1FEC SCH;
SCH.downstream(radio);
SCH.open();
// FCCH
FCCHL1FEC FCCH;
FCCH.downstream(radio);
FCCH.open();
// BCCH
BCCHL1FEC BCCH;
BCCH.downstream(radio);
BCCH.open();
// RACH
RACHL1FEC RACH(gRACHC5Mapping);
RACH.downstream(radio);
RACH.open();
// CCCHs
CCCHLogicalChannel CCCH0(gCCCH_0Mapping);
CCCH0.downstream(radio);
CCCH0.open();
CCCHLogicalChannel CCCH1(gCCCH_1Mapping);
CCCH1.downstream(radio);
CCCH1.open();
CCCHLogicalChannel CCCH2(gCCCH_2Mapping);
CCCH2.downstream(radio);
CCCH2.open();
// use CCCHs as AGCHs
gBTS.addAGCH(&CCCH0);
gBTS.addAGCH(&CCCH1);
gBTS.addAGCH(&CCCH2);
// C-V C0T0 SDCCHs
SDCCHLogicalChannel SDCCH[4] = {
SDCCHLogicalChannel(0,gSDCCH_4_0),
SDCCHLogicalChannel(0,gSDCCH_4_1),
SDCCHLogicalChannel(0,gSDCCH_4_2),
SDCCHLogicalChannel(0,gSDCCH_4_3)
};
Thread SDCCHControlThread[4];
for (int i=0; i<4; i++) {
SDCCH[i].downstream(radio);
SDCCHControlThread[i].start((void*(*)(void*))Control::DCCHDispatcher,&SDCCH[i]);
SDCCH[i].open();
gBTS.addSDCCH(&SDCCH[i]);
}
// Count configured slots.
unsigned sCount = 1;
// Create C-VII slots on C0Tn
for (unsigned i=0; i<gConfig.getNum("GSM.NumC7s"); i++) {
radio->setSlot(sCount,7);
for (unsigned sub=0; sub<8; sub++) {
SDCCHLogicalChannel* chan = new SDCCHLogicalChannel(sCount,gSDCCH8[sub]);
chan->downstream(radio);
Thread* thread = new Thread;
thread->start((void*(*)(void*))Control::DCCHDispatcher,chan);
chan->open();
gBTS.addSDCCH(chan);
}
sCount++;
}
// Create C-I slots on C0Tn
for (unsigned i=0; i<gConfig.getNum("GSM.NumC1s"); i++) {
radio->setSlot(sCount,1);
TCHFACCHLogicalChannel* chan = new TCHFACCHLogicalChannel(sCount,gTCHF_T[sCount]);
chan->downstream(radio);
Thread* thread = new Thread;
thread->start((void*(*)(void*))Control::DCCHDispatcher,chan);
chan->open();
gBTS.addTCH(chan);
sCount++;
}
assert(sCount<=8);
/*
Note: The number of different paging subchannels on
the CCCH is:
MAX(1,(3 - BS-AG-BLKS-RES)) * BS-PA-MFRMS
if CCCH-CONF = "001"
(9 - BS-AG-BLKS-RES) * BS-PA-MFRMS
for other values of CCCH-CONF
*/
// Set up the pager.
// Set up paging channels.
gBTS.addPCH(&CCCH2);
// Start the paging generator
// Don't start the pager until some PCHs exist!!
gBTS.pager().start();
LOG(INFO) << "system ready";
COUT("\n\nWelcome to OpenBTS. Type \"help\" to see available commands.");
// FIXME: We want to catch control-d (emacs keybinding for exit())
while (1) {
char inbuf[1024];
cout << "\nOpenBTS> ";
cin.getline(inbuf,1024,'\n');
if (strcmp(inbuf,"exit")==0) break;
gParser.process(inbuf,cout,cin);
}
if (transceiverPid) kill(transceiverPid,SIGKILL);
}
int main(int argc, char *argv[])
{
// TODO: Properly parse and handle any arguments
if (argc > 1) {
for (int argi = 0; argi < argc; argi++) {
if (!strcmp(argv[argi], "--version") ||
!strcmp(argv[argi], "-v")) {
cout << gVersionString << endl;
}
}
return 0;
}
createStats();
gReports.incr("OpenBTS.Starts");
int sock = socket(AF_UNIX,SOCK_DGRAM,0);
if (sock<0) {
perror("creating CLI datagram socket");
LOG(ALERT) << "cannot create socket for CLI";
gReports.incr("OpenBTS.Exit.CLI.Socket");
exit(1);
}
try {
srandom(time(NULL));
gConfig.setUpdateHook(purgeConfig);
gLogInit("openbts",gConfig.getStr("Log.Level").c_str());
LOG(ALERT) << "OpenBTS starting, ver " << VERSION << " build date " << __DATE__;
COUT("\n\n" << gOpenBTSWelcome << "\n");
gTMSITable.open(gConfig.getStr("Control.Reporting.TMSITable").c_str());
gTransactionTable.init(gConfig.getStr("Control.Reporting.TransactionTable").c_str());
gPhysStatus.open(gConfig.getStr("Control.Reporting.PhysStatusTable").c_str());
gBTS.init();
gSubscriberRegistry.init();
gParser.addCommands();
COUT("\nStarting the system...");
// is the radio running?
// Start the transceiver interface.
LOG(INFO) << "checking transceiver";
//gTRX.ARFCN(0)->powerOn();
//sleep(gConfig.getNum("TRX.Timeout.Start",2));
bool haveTRX = gTRX.ARFCN(0)->powerOn(false);
Thread transceiverThread;
if (!haveTRX) {
transceiverThread.start((void*(*)(void*)) startTransceiver, NULL);
// sleep to let the FPGA code load
// TODO: we should be "pinging" the radio instead of sleeping
sleep(5);
} else {
LOG(NOTICE) << "transceiver already running";
}
// Start the SIP interface.
gSIPInterface.start();
//
// Configure the radio.
//
gTRX.start();
// Set up the interface to the radio.
// Get a handle to the C0 transceiver interface.
ARFCNManager* C0radio = gTRX.ARFCN(0);
// Tuning.
// Make sure its off for tuning.
//C0radio->powerOff();
// Get the ARFCN list.
unsigned C0 = gConfig.getNum("GSM.Radio.C0");
unsigned numARFCNs = gConfig.getNum("GSM.Radio.ARFCNs");
for (unsigned i=0; i<numARFCNs; i++) {
// Tune the radios.
unsigned ARFCN = C0 + i*2;
LOG(INFO) << "tuning TRX " << i << " to ARFCN " << ARFCN;
ARFCNManager* radio = gTRX.ARFCN(i);
radio->tune(ARFCN);
}
// Send either TSC or full BSIC depending on radio need
if (gConfig.getBool("GSM.Radio.NeedBSIC")) {
// Send BSIC to
C0radio->setBSIC(gBTS.BSIC());
} else {
// Set TSC same as BCC everywhere.
C0radio->setTSC(gBTS.BCC());
}
// Set maximum expected delay spread.
C0radio->setMaxDelay(gConfig.getNum("GSM.Radio.MaxExpectedDelaySpread"));
// Set Receiver Gain
C0radio->setRxGain(gConfig.getNum("GSM.Radio.RxGain"));
// Turn on and power up.
C0radio->powerOn(true);
C0radio->setPower(gConfig.getNum("GSM.Radio.PowerManager.MinAttenDB"));
//
// Create a C-V channel set on C0T0.
//
// C-V on C0T0
C0radio->setSlot(0,5);
// SCH
SCHL1FEC SCH;
SCH.downstream(C0radio);
SCH.open();
// FCCH
FCCHL1FEC FCCH;
FCCH.downstream(C0radio);
FCCH.open();
// BCCH
BCCHL1FEC BCCH;
BCCH.downstream(C0radio);
BCCH.open();
// RACH
RACHL1FEC RACH(gRACHC5Mapping);
RACH.downstream(C0radio);
RACH.open();
// CCCHs
CCCHLogicalChannel CCCH0(gCCCH_0Mapping);
CCCH0.downstream(C0radio);
CCCH0.open();
CCCHLogicalChannel CCCH1(gCCCH_1Mapping);
CCCH1.downstream(C0radio);
CCCH1.open();
CCCHLogicalChannel CCCH2(gCCCH_2Mapping);
CCCH2.downstream(C0radio);
CCCH2.open();
// use CCCHs as AGCHs
gBTS.addAGCH(&CCCH0);
gBTS.addAGCH(&CCCH1);
gBTS.addAGCH(&CCCH2);
// C-V C0T0 SDCCHs
SDCCHLogicalChannel C0T0SDCCH[4] = {
SDCCHLogicalChannel(0,0,gSDCCH_4_0),
SDCCHLogicalChannel(0,0,gSDCCH_4_1),
SDCCHLogicalChannel(0,0,gSDCCH_4_2),
SDCCHLogicalChannel(0,0,gSDCCH_4_3),
};
Thread C0T0SDCCHControlThread[4];
for (int i=0; i<4; i++) {
C0T0SDCCH[i].downstream(C0radio);
C0T0SDCCHControlThread[i].start((void*(*)(void*))Control::DCCHDispatcher,&C0T0SDCCH[i]);
C0T0SDCCH[i].open();
gBTS.addSDCCH(&C0T0SDCCH[i]);
}
//
// Configure the other slots.
//
// Count configured slots.
unsigned sCount = 1;
if (gConfig.defines("GSM.Channels.C1sFirst")) {
// Create C-I slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC1s"); i++) {
gBTS.createCombinationI(gTRX,sCount/8,sCount%8);
sCount++;
}
}
// Create C-VII slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC7s"); i++) {
gBTS.createCombinationVII(gTRX,sCount/8,sCount%8);
sCount++;
}
if (!gConfig.defines("GSM.Channels.C1sFirst")) {
// Create C-I slots.
for (int i=0; i<gConfig.getNum("GSM.Channels.NumC1s"); i++) {
gBTS.createCombinationI(gTRX,sCount/8,sCount%8);
sCount++;
}
}
// Set up idle filling on C0 as needed.
while (sCount<8) {
gBTS.createCombination0(gTRX,sCount);
sCount++;
}
/*
Note: The number of different paging subchannels on
the CCCH is:
MAX(1,(3 - BS-AG-BLKS-RES)) * BS-PA-MFRMS
if CCCH-CONF = "001"
(9 - BS-AG-BLKS-RES) * BS-PA-MFRMS
for other values of CCCH-CONF
*/
// Set up the pager.
// Set up paging channels.
// HACK -- For now, use a single paging channel, since paging groups are broken.
gBTS.addPCH(&CCCH2);
// Be sure we are not over-reserving.
if (gConfig.getNum("GSM.Channels.SDCCHReserve")>=(int)gBTS.SDCCHTotal()) {
unsigned val = gBTS.SDCCHTotal() - 1;
LOG(CRIT) << "GSM.Channels.SDCCHReserve too big, changing to " << val;
gConfig.set("GSM.Channels.SDCCHReserve",val);
}
// OK, now it is safe to start the BTS.
gBTS.start();
cout << "\nsystem ready\n";
cout << "\nuse the OpenBTSCLI utility to access CLI\n";
LOG(INFO) << "system ready";
struct sockaddr_un cmdSockName;
cmdSockName.sun_family = AF_UNIX;
const char* sockpath = gConfig.getStr("CLI.SocketPath").c_str();
char rmcmd[strlen(sockpath)+5];
sprintf(rmcmd,"rm %s",sockpath);
system(rmcmd);
strcpy(cmdSockName.sun_path,sockpath);
if (bind(sock, (struct sockaddr *) &cmdSockName, sizeof(struct sockaddr_un))) {
perror("binding name to cmd datagram socket");
LOG(ALERT) << "cannot bind socket for CLI at " << sockpath;
gReports.incr("OpenBTS.Exit.CLI.Socket");
exit(1);
}
while (1) {
char cmdbuf[1000];
struct sockaddr_un source;
socklen_t sourceSize = sizeof(source);
int nread = recvfrom(sock,cmdbuf,sizeof(cmdbuf)-1,0,(struct sockaddr*)&source,&sourceSize);
gReports.incr("OpenBTS.CLI.Command");
cmdbuf[nread]='\0';
LOG(INFO) << "received command \"" << cmdbuf << "\" from " << source.sun_path;
std::ostringstream sout;
int res = gParser.process(cmdbuf,sout);
const std::string rspString= sout.str();
const char* rsp = rspString.c_str();
LOG(INFO) << "sending " << strlen(rsp) << "-char result to " << source.sun_path;
if (sendto(sock,rsp,strlen(rsp)+1,0,(struct sockaddr*)&source,sourceSize)<0) {
LOG(ERR) << "can't send CLI response to " << source.sun_path;
gReports.incr("OpenBTS.CLI.Command.ResponseFailure");
}
// res<0 means to exit the application
if (res<0) break;
gReports.incr("OpenBTS.Exit.Normal.CLI");
}
} // try
catch (ConfigurationTableKeyNotFound e) {
LOG(EMERG) << "required configuration parameter " << e.key() << " not defined, aborting";
gReports.incr("OpenBTS.Exit.Error.ConfigurationParamterNotFound");
}
//if (gTransceiverPid) kill(gTransceiverPid, SIGKILL);
close(sock);
}