void SelfDetect::RegisterProgram(const char *argv0)
{
const char *p = strrchr((char*)argv0,'/');
if (p == NULL) {
p = argv0;
}
char buf[100];
snprintf(buf, sizeof(buf)-1, "/var/run/%s.pid", p);
LOG(NOTICE) << "*** Registering program " << argv0 << " to " << buf;
// first, verify we aren't already running.
struct stat stbuf;
if (stat(buf, &stbuf) >= 0)
{
LOG(CRIT) << "*** An instance of " << p << " is already running. ";
LOG(CRIT) << "*** If this is not the case, deleting this file will allow " << p << " to start: " << buf << " exiting...";
Exit::exit(Exit::DETECTFILE);
}
FILE *fp = fopen(buf, "w");
if (fp == NULL)
{
LOG(CRIT) << "*** Unable to create " << buf << ": " << strerror(errno) << " exiting...";
Exit::exit(Exit::CREATEFILE);
}
fprintf(fp, "%d\n", getpid());
fclose(fp);
atexit(e);
gSigVec.CoreName(gConfig.getStr("Core.File"), gConfig.getBool("Core.Pid"));
gSigVec.TarName(gConfig.getStr("Core.TarFile"), gConfig.getBool("Core.SaveFiles"));
// Now, register for all signals to do the cleanup
for (int i = 1; i < UnixSignal::C_NSIG; i++)
{
switch(i)
{
// Add any signals that need to bypass the signal handling behavior
// here. Currently, SIGCHLD is needed because a signal is generated
// when stuff related to the transciever (which is a child process)
// occurs. In that case, the openbts log output was:
// openbts: ALERT 3073816320 05:03:50.4 OpenBTS.cpp:491:main: starting the transceiver
// openbts: NOTICE 3073816320 05:03:50.4 SelfDetect.cpp:91:Exit: *** Terminating because of signal 17
// openbts: NOTICE 3031243584 05:03:50.4 OpenBTS.cpp:165:startTransceiver: starting transceiver ./transceiver w/ 1 ARFCNs and Args:
// openbts: NOTICE 3073816320 05:03:50.4 SelfDetect.cpp:98:Exit: *** Terminating ./OpenBTS
// openbts: NOTICE 3073816320 05:03:50.4 SelfDetect.cpp:105:Exit: *** Removing pid file /var/run/OpenBTS.pid
case SIGCONT:
case SIGCHLD:
break;
default:
gSigVec.Register(sigfcn, i);
break;
}
}
mProg = strdup(argv0);
mFile = strdup(buf);
}
/** Return warning strings about a potential conflicting value */
vector<string> configurationCrossCheck(const string& key) {
vector<string> warnings;
ostringstream warning;
// GSM.Timer.T3113 should equal SIP.Timer.B
if (key.compare("GSM.Timer.T3113") == 0 || key.compare("SIP.Timer.B") == 0) {
string gsm = gConfig.getStr("GSM.Timer.T3113");
string sip = gConfig.getStr("SIP.Timer.B");
if (gsm.compare(sip) != 0) {
warning << "GSM.Timer.T3113 (" << gsm << ") and SIP.Timer.B (" << sip << ") should usually have the same value";
warnings.push_back(warning.str());
warning.str(std::string());
}
// Control.VEA depends on GSM.CellSelection.NECI
} else if (key.compare("Control.VEA") == 0 || key.compare("GSM.CellSelection.NECI") == 0) {
if (gConfig.getBool("Control.VEA") && gConfig.getStr("GSM.CellSelection.NECI").compare("1") != 0) {
warning << "Control.VEA is enabled but will not be functional until GSM.CellSelection.NECI is set to \"1\"";
warnings.push_back(warning.str());
warning.str(std::string());
}
// GSM.Timer.T3212 should be a factor of six and shorter than SIP.RegistrationPeriod
} else if (key.compare("GSM.Timer.T3212") == 0 || key.compare("SIP.RegistrationPeriod") == 0) {
int gsm = gConfig.getNum("GSM.Timer.T3212");
int sip = gConfig.getNum("SIP.RegistrationPeriod");
if (key.compare("GSM.Timer.T3212") == 0 && gsm % 6) {
warning << "GSM.Timer.T3212 should be a factor of 6";
warnings.push_back(warning.str());
warning.str(std::string());
}
if (gsm >= sip) {
warning << "GSM.Timer.T3212 (" << gsm << ") should be shorter than SIP.RegistrationPeriod (" << sip << ")";
warnings.push_back(warning.str());
warning.str(std::string());
}
// GPRS.ChannelCodingControl.RSSI should normally be 10db more than GSM.Radio.RSSITarget
} else if (key.compare("GPRS.ChannelCodingControl.RSSI") == 0 || key.compare("GSM.Radio.RSSITarget") == 0) {
int gprs = gConfig.getNum("GPRS.ChannelCodingControl.RSSI");
int gsm = gConfig.getNum("GSM.Radio.RSSITarget");
if ((gprs - gsm) != 10) {
warning << "GPRS.ChannelCodingControl.RSSI (" << gprs << ") should normally be 10db greater than GSM.Radio.RSSITarget (" << gsm << ")";
warnings.push_back(warning.str());
warning.str(std::string());
}
// TODO : This NEEDS to be an error not a warning. OpenBTS will fail to start because of an assert if an invalid value is used.
// GSM.Radio.C0 needs to be inside the valid range of ARFCNs for GSM.Radio.Band
} else if (key.compare("GSM.Radio.C0") == 0 || key.compare("GSM.Radio.Band") == 0) {
int c0 = gConfig.getNum("GSM.Radio.C0");
string band = gConfig.getStr("GSM.Radio.Band");
string range;
if (band.compare("850") == 0 && (c0 < 128 || 251 < c0)) {
range = "128-251";
} else if (band.compare("900") == 0 && (c0 < 1 || 124 < c0)) {
range = "1-124";
} else if (band.compare("1800") == 0 && (c0 < 512 || 885 < c0)) {
range = "512-885";
} else if (band.compare("1900") == 0 && (c0 < 512 || 810 < c0)) {
range = "512-810";
}
if (range.length()) {
warning << "GSM.Radio.C0 (" << c0 << ") falls outside the valid range of ARFCNs " << range << " for GSM.Radio.Band (" << band << ")";
warnings.push_back(warning.str());
warning.str(std::string());
}
// SGSN.Timer.ImplicitDetach should be at least 240 seconds greater than SGSN.Timer.RAUpdate"
} else if (key.compare("SGSN.Timer.ImplicitDetach") == 0 || key.compare("SGSN.Timer.RAUpdate") == 0) {
int detach = gConfig.getNum("SGSN.Timer.ImplicitDetach");
int update = gConfig.getNum("SGSN.Timer.RAUpdate");
if ((detach - update) < 240) {
warning << "SGSN.Timer.ImplicitDetach (" << detach << ") should be at least 240 seconds greater than SGSN.Timer.RAUpdate (" << update << ")";
warnings.push_back(warning.str());
warning.str(std::string());
}
// Control.LUR.FailedRegistration.Message depends on Control.LUR.FailedRegistration.ShortCode
} else if (key.compare("Control.LUR.FailedRegistration.Message") == 0 || key.compare("Control.LUR.FailedRegistration.ShortCode") == 0) {
if (gConfig.getStr("Control.LUR.FailedRegistration.Message").length() && !gConfig.getStr("Control.LUR.FailedRegistration.ShortCode").length()) {
warning << "Control.LUR.FailedRegistration.Message is enabled but will not be functional until Control.LUR.FailedRegistration.ShortCode is set";
warnings.push_back(warning.str());
warning.str(std::string());
}
// Control.LUR.NormalRegistration.Message depends on Control.LUR.NormalRegistration.ShortCode
} else if (key.compare("Control.LUR.NormalRegistration.Message") == 0 || key.compare("Control.LUR.NormalRegistration.ShortCode") == 0) {
if (gConfig.getStr("Control.LUR.NormalRegistration.Message").length() && !gConfig.getStr("Control.LUR.NormalRegistration.ShortCode").length()) {
warning << "Control.LUR.NormalRegistration.Message is enabled but will not be functional until Control.LUR.NormalRegistration.ShortCode is set";
warnings.push_back(warning.str());
warning.str(std::string());
}
// Control.LUR.OpenRegistration depends on Control.LUR.OpenRegistration.ShortCode
} else if (key.compare("Control.LUR.OpenRegistration") == 0 || key.compare("Control.LUR.OpenRegistration.ShortCode") == 0) {
if (gConfig.getStr("Control.LUR.OpenRegistration").length() && !gConfig.getStr("Control.LUR.OpenRegistration.ShortCode").length()) {
warning << "Control.LUR.OpenRegistration is enabled but will not be functional until Control.LUR.OpenRegistration.ShortCode is set";
warnings.push_back(warning.str());
warning.str(std::string());
}
// TODO : SIP.SMSC is actually broken with the verification bits, no way to set value as null
// SIP.SMSC should normally be NULL if SMS.MIMIEType is "text/plain" and "smsc" if SMS.MIMEType is "application/vnd.3gpp".
} else if (key.compare("SMS.MIMEType") == 0 || key.compare("SIP.SMSC") == 0) {
string sms = gConfig.getStr("SMS.MIMEType");
string sip = gConfig.getStr("SIP.SMSC");
if (sms.compare("application/vnd.3gpp.sms") == 0 && sip.compare("smsc") != 0) {
warning << "SMS.MIMEType is set to \"application/vnc.3gpp.sms\", SIP.SMSC should usually be set to \"smsc\"";
warnings.push_back(warning.str());
warning.str(std::string());
} else if (sms.compare("text/plain") == 0 && sip.compare("") != 0) {
warning << "SMS.MIMEType is set to \"text/plain\", SIP.SMSC should usually be empty (use unconfig to clear)";
warnings.push_back(warning.str());
warning.str(std::string());
}
// SIP.Local.IP cannot be 127.0.0.1 when any of the SIP.Proxy.* settings are non-localhost
} else if (key.compare("SIP.Local.IP") == 0 ||
key.compare("SIP.Proxy.Registration") == 0 || key.compare("SIP.Proxy.SMS") == 0 ||
key.compare("SIP.Proxy.Speech") == 0 || key.compare("SIP.Proxy.USSD") == 0) {
string loopback = "127.0.0.1";
string local = gConfig.getStr("SIP.Local.IP");
if (local.compare(loopback) == 0) {
string registration = gConfig.getStr("SIP.Proxy.Registration");
string sms = gConfig.getStr("SIP.Proxy.SMS");
string speech = gConfig.getStr("SIP.Proxy.Speech");
string ussd = gConfig.getStr("SIP.Proxy.USSD");
if (registration.find(loopback) == std::string::npos ||
sms.find(loopback) == std::string::npos || speech.find(loopback) == std::string::npos ||
(ussd.length() && ussd.find(loopback) == std::string::npos)) {
warning << "A non-local IP is being used for one or more SIP.Proxy.* settings but SIP.Local.IP is still set to 127.0.0.1. ";
warning << "Set SIP.Local.IP to the IP address of this machine as seen by the proxies.";
warnings.push_back(warning.str());
warning.str(std::string());
}
}
// GSM.MS.Power.Min cannot be higher than GSM.MS.Power.Max
} else if (key.compare("GSM.MS.Power.Min") == 0 || key.compare("GSM.MS.Power.Max") == 0) {
if (gConfig.getNum("GSM.MS.Power.Min") > gConfig.getNum("GSM.MS.Power.Max")) {
warning << "GSM.MS.Power.Min is set higher than GSM.MS.Power.Max. Swap the values or set a new minimum.";
warnings.push_back(warning.str());
warning.str(std::string());
}
// GSM.Channels.NumC1s + GSM.Channels.NumC1s must fall within 8 * GSM.Radio.ARFCNs
} else if (key.compare("GSM.Radio.ARFCNs") == 0 || key.compare("GSM.Channels.NumC1s") == 0 || key.compare("GSM.Channels.NumC7s") == 0) {
int max = (8 * gConfig.getNum("GSM.Radio.ARFCNs")) - 1;
int current = gConfig.getNum("GSM.Channels.NumC1s") + gConfig.getNum("GSM.Channels.NumC7s");
if (max < current) {
warning << "There are only " << max << " channels available but " << current << " are configured. ";
warning << "Reduce GSM.Channels.NumC1s and/or GSM.Channels.NumC7s accordingly.";
warnings.push_back(warning.str());
warning.str(std::string());
} else if (max > current) {
int avail = max-current;
if (avail == 1) {
warning << "There is still " << avail << " channel available for additional capacity. ";
} else {
warning << "There are still " << avail << " channels available for additional capacity. ";
}
warning << "Increase GSM.Channels.NumC1s and/or GSM.Channels.NumC7s accordingly.";
warnings.push_back(warning.str());
warning.str(std::string());
}
}
return warnings;
}
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);
}
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[])
{
gConfig.setUpdateHook(purgeConfig);
const char *keys[5] = {"key1", "key2", "key3", "key4", "key5"};
for (int i=0; i<5; i++) {
gConfig.set(keys[i],i);
}
for (int i=0; i<5; i++) {
cout << "table[" << keys[i] << "]=" << gConfig.getStr(keys[i]) << endl;
cout << "table[" << keys[i] << "]=" << gConfig.getNum(keys[i]) << endl;
}
for (int i=0; i<5; i++) {
cout << "defined table[" << keys[i] << "]=" << gConfig.defines(keys[i]) << endl;
}
gConfig.set("key5","100 200 300 400 ");
std::vector<unsigned> vect = gConfig.getVector("key5");
cout << "vect length " << vect.size() << ": ";
for (unsigned i=0; i<vect.size(); i++) cout << " " << vect[i];
cout << endl;
std::vector<string> svect = gConfig.getVectorOfStrings("key5");
cout << "vect length " << svect.size() << ": ";
for (unsigned i=0; i<svect.size(); i++) cout << " " << svect[i] << ":";
cout << endl;
cout << "bool " << gConfig.getBool("booltest") << endl;
gConfig.set("booltest",1);
cout << "bool " << gConfig.getBool("booltest") << endl;
gConfig.set("booltest",0);
cout << "bool " << gConfig.getBool("booltest") << endl;
gConfig.getStr("newstring");
gConfig.getNum("numnumber");
SimpleKeyValue pairs;
pairs.addItems(" a=1 b=34 dd=143 ");
cout<< pairs.get("a") << endl;
cout<< pairs.get("b") << endl;
cout<< pairs.get("dd") << endl;
gConfig.set("fkey","123.456");
float fval = gConfig.getFloat("fkey");
cout << "fkey " << fval << endl;
cout << "search fkey:" << endl;
gConfig.find("fkey",cout);
cout << "search fkey:" << endl;
gConfig.find("fkey",cout);
gConfig.remove("fkey");
cout << "search fkey:" << endl;
gConfig.find("fkey",cout);
try {
gConfig.getNum("supposedtoabort");
} catch (ConfigurationTableKeyNotFound) {
cout << "ConfigurationTableKeyNotFound exception successfully caught." << endl;
}
}
