Function gprsStart

GPRS/GPRSCLI.cpp:205–245

Start the service and allocate a channel. This is redundant - can call rach.

// Start the service and allocate a channel.
// This is redundant - can call rach.
static CLIStatus gprsStart(int argc, char **argv, int argi, ostream&os)
{
	// Start the thread, if not running.
	char *modearg = RN_CMD_ARG;
	if (modearg) {
		gL2MAC.macSingleStepMode = strmatch(modearg,"s");
		if (!gL2MAC.macSingleStepMode) { os << "Unrecognized arg: "<<modearg<<"\n"; return BAD_VALUE; }
	} else {
		gL2MAC.macSingleStepMode = 0;
	}

	// Reinit the config in case single step mode is changing.
	gL2MAC.macConfigInit();

	if (gL2MAC.macRunning) {
		os << "gprs service thread already running.\n";
	} else if (gL2MAC.macStart()) {
		os << "started gprs service "
				<<(gL2MAC.macSingleStepMode ? "single step mode" : "thread") << "\n";
	} else {
		os << "failed to start gprs service.\n";
	}

	// The macAddChannel below is failing.  Try waiting a while.
	// Update: it fails between the time OpenBTS first starts up and the transceiver times out,
	// about a 5 second window after start up.  This may only happen after a crash.
	// Update again: I think on startup the channels come up with the recyclable timers
	// running and we cannot allocate a channel until they expire.
	sleep(1);

	// Allocate a channel, if none already allocated.
	if (! gL2MAC.macActiveChannels()) { gL2MAC.macAddChannel(); }
	if (! gL2MAC.macActiveChannels()) {
		os << "failed to allocate channel for gprs.\n";
	} else {
		PDCHL1FEC *pdch = gL2MAC.macPickChannel();
		assert(pdch);
		os << "allocated channel for gprs: " << pdch << "\n";
	}
	return SUCCESS;
}

static CLIStatus gprsStop(int argc, char **argv, int argi, ostream&os)
{