void testStartStop() {
report(0,"checking start/stop works...");
Contact address("/port", "tcp", "127.0.0.1", safePort());
PortCore core;
core.listen(address);
core.start();
report(0,"there will be a small delay, stress-testing port...");
int tct = 10;
int ct = 0;
for (int i=0; i<tct; i++) {
Time::delay(0.01*(i%4));
OutputProtocol *op = Carriers::connect(address);
if (op!=nullptr) {
op->getOutputStream().write('h');
op->close();
delete op;
ct++; // connect is an event
} else {
report(1,"a connection failed");
}
}
while (core.getOutputCount()>0 || core.getEventCount()<ct) {
// close could abort connections
Time::delay(0.2);
}
core.close();
ct++; // close is an event
report(0,"finished stress-testing port...");
core.join();
checkEqual(core.getEventCount(),ct,"Got all events");
}
bool NameSpace::checkNetwork() {
Contact c = queryName(getNameServerName());
if (!c.isValid()) return false;
OutputProtocol *out = Carriers::connect(Address::fromContact(c));
if (out==NULL) {
return false;
}
out->close();
delete out;
out = NULL;
return true;
}
bool NameSpace::checkNetwork(double timeout) {
Contact c = queryName(getNameServerName());
if (!c.isValid()) return false;
c.setTimeout((float)timeout);
OutputProtocol *out = Carriers::connect(c);
if (out==NULL) {
return false;
}
out->close();
delete out;
out = NULL;
return true;
}
bool NameSpace::checkNetwork() {
if (localOnly()) return true;
Contact c = queryName(getNameServerName());
if (!c.isValid()) return false;
OutputProtocol *out = Carriers::connect(c);
if (out==YARP_NULLPTR) {
return false;
}
out->close();
delete out;
out = YARP_NULLPTR;
return true;
}
String NameClient::send(const String& cmd, bool multi) {
//printf("*** OLD YARP command %s\n", cmd.c_str());
setup();
if (NetworkBase::getQueryBypass()) {
ContactStyle style;
Bottle bcmd(cmd.c_str()), reply;
NetworkBase::writeToNameServer(bcmd,reply,style);
ConstString si = reply.toString(), so;
for (int i=0; i<(int)si.length(); i++) {
if (si[i]!='\"') {
so += si[i];
}
}
return so.c_str();
}
bool retried = false;
bool retry = false;
String result;
Contact server = getAddress();
float timeout = 10;
server.setTimeout(timeout);
do {
YARP_DEBUG(Logger::get(),String("sending to nameserver: ") + cmd);
if (isFakeMode()) {
//YARP_DEBUG(Logger::get(),"fake mode nameserver");
return getServer().apply(cmd,Contact::bySocket("tcp","127.0.0.1",NetworkBase::getDefaultPortRange())) + "\n";
}
TcpFace face;
YARP_DEBUG(Logger::get(),String("connecting to ") + getAddress().toURI());
OutputProtocol *ip = NULL;
if (!retry) {
ip = face.write(server);
} else {
retried = true;
}
if (ip==NULL) {
YARP_INFO(Logger::get(),"No connection to nameserver");
if (!allowScan) {
YARP_INFO(Logger::get(),"*** try running: yarp detect ***");
}
Contact alt;
if (!isFakeMode()) {
if (allowScan) {
YARP_INFO(Logger::get(),"no connection to nameserver, scanning mcast");
reportScan = true;
#ifdef YARP_HAS_ACE
alt = FallbackNameClient::seek();
#else
return ""; // nothing to do, nowhere to turn
#endif
}
}
if (alt.isValid()) {
address = alt;
if (allowSaveScan) {
reportSaveScan = true;
NameConfig nc;
nc.setAddress(alt);
nc.toFile();
}
server = getAddress();
server.setTimeout(timeout);
ip = face.write(server);
if (ip==NULL) {
YARP_ERROR(Logger::get(),
"no connection to nameserver, scanning mcast");
return "";
}
} else {
return "";
}
}
String cmdn = cmd + "\n";
Bytes b((char*)cmdn.c_str(),cmdn.length());
ip->getOutputStream().write(b);
bool more = multi;
while (more) {
String line = "";
line = ip->getInputStream().readLine();
if (!(ip->isOk())) {
more = false;
//YARP_DEBUG(Logger::get(), e.toString() + " <<< exception from name server");
retry = true;
break;
}
if (line.length()>1) {
if (line[0] == '*'||line[0] == '[') {
more = false;
}
}
result += line + "\n";
}
ip->close();
delete ip;
YARP_SPRINTF1(Logger::get(),
debug,
"<<< received from nameserver: %s",result.c_str());
} while (retry&&!retried);
return result;
}