void
ServiceI::start(
const string& name,
const CommunicatorPtr& communicator,
const StringSeq& /*args*/)
{
PropertiesPtr properties = communicator->getProperties();
validateProperties(name, properties, communicator->getLogger());
int id = properties->getPropertyAsIntWithDefault(name + ".NodeId", -1);
// If we are using a replicated deployment and if the topic
// manager thread pool max size is not set then ensure it is set
// to some suitably high number. This ensures no deadlocks in the
// replicated case due to call forwarding from replicas to
// coordinators.
if(id != -1 && properties->getProperty(name + ".TopicManager.ThreadPool.SizeMax").empty())
{
properties->setProperty(name + ".TopicManager.ThreadPool.SizeMax", "100");
}
Ice::ObjectAdapterPtr topicAdapter = communicator->createObjectAdapter(name + ".TopicManager");
Ice::ObjectAdapterPtr publishAdapter = communicator->createObjectAdapter(name + ".Publish");
//
// We use the name of the service for the name of the database environment.
//
string instanceName = properties->getPropertyWithDefault(name + ".InstanceName", "IceStorm");
Identity topicManagerId;
topicManagerId.category = instanceName;
topicManagerId.name = "TopicManager";
if(properties->getPropertyAsIntWithDefault(name+ ".Transient", 0) > 0)
{
_instance = new Instance(instanceName, name, communicator, publishAdapter, topicAdapter, 0);
try
{
TransientTopicManagerImplPtr manager = new TransientTopicManagerImpl(_instance);
_managerProxy = TopicManagerPrx::uncheckedCast(topicAdapter->add(manager, topicManagerId));
}
catch(const Ice::Exception& ex)
{
_instance = 0;
LoggerOutputBase s;
s << "exception while starting IceStorm service " << name << ":\n";
s << ex;
IceBox::FailureException e(__FILE__, __LINE__);
e.reason = s.str();
throw e;
}
topicAdapter->activate();
publishAdapter->activate();
return;
}
if(id == -1) // No replication.
{
_instance = new Instance(instanceName, name, communicator, publishAdapter, topicAdapter);
try
{
_manager = new TopicManagerImpl(_instance);
_managerProxy = TopicManagerPrx::uncheckedCast(topicAdapter->add(_manager->getServant(), topicManagerId));
}
catch(const Ice::Exception& ex)
{
_instance = 0;
LoggerOutputBase s;
s << "exception while starting IceStorm service " << name << ":\n";
s << ex;
IceBox::FailureException e(__FILE__, __LINE__);
e.reason = s.str();
throw e;
}
}
else
{
// Here we want to create a map of id -> election node
// proxies.
map<int, NodePrx> nodes;
string topicManagerAdapterId = properties->getProperty(name + ".TopicManager.AdapterId");
// We support two possible deployments. The first is a manual
// deployment, the second is IceGrid.
//
// Here we check for the manual deployment
const string prefix = name + ".Nodes.";
Ice::PropertyDict props = properties->getPropertiesForPrefix(prefix);
if(!props.empty())
{
for(Ice::PropertyDict::const_iterator p = props.begin(); p != props.end(); ++p)
{
int nodeid = atoi(p->first.substr(prefix.size()).c_str());
nodes[nodeid] = NodePrx::uncheckedCast(communicator->propertyToProxy(p->first));
}
}
else
{
// If adapter id's are defined for the topic manager or
// node adapters then we consider this an IceGrid based
// deployment.
string nodeAdapterId = properties->getProperty(name + ".Node.AdapterId");
// Validate first that the adapter ids match for the node
// and the topic manager otherwise some other deployment
// is being used.
const string suffix = ".TopicManager";
if(topicManagerAdapterId.empty() || nodeAdapterId.empty() ||
topicManagerAdapterId.replace(
topicManagerAdapterId.find(suffix), suffix.size(), ".Node") != nodeAdapterId)
{
Ice::Error error(communicator->getLogger());
error << "deployment error: `" << topicManagerAdapterId << "' prefix does not match `"
<< nodeAdapterId << "'";
throw IceBox::FailureException(__FILE__, __LINE__, "IceGrid deployment is incorrect");
}
// Determine the set of node id and node proxies.
//
// This is determined by locating all topic manager
// replicas, and then working out the node for that
// replica.
//
// We work out the node id by removing the instance
// name. The node id must follow.
//
IceGrid::LocatorPrx locator = IceGrid::LocatorPrx::checkedCast(communicator->getDefaultLocator());
assert(locator);
IceGrid::QueryPrx query = locator->getLocalQuery();
Ice::ObjectProxySeq replicas = query->findAllReplicas(
communicator->stringToProxy(instanceName + "/TopicManager"));
for(Ice::ObjectProxySeq::const_iterator p = replicas.begin(); p != replicas.end(); ++p)
{
string adapterid = (*p)->ice_getAdapterId();
// Replace TopicManager with the node endpoint.
adapterid = adapterid.replace(adapterid.find(suffix), suffix.size(), ".Node");
// The adapter id must start with the instance name.
if(adapterid.find(instanceName) != 0)
{
Ice::Error error(communicator->getLogger());
error << "deployment error: `" << adapterid << "' does not start with `" << instanceName << "'";
throw IceBox::FailureException(__FILE__, __LINE__, "IceGrid deployment is incorrect");
}
// The node id follows. We find the first digit (the
// start of the node id, and then the end of the
// digits).
string::size_type start = instanceName.size();
while(start < adapterid.size() && !IceUtilInternal::isDigit(adapterid[start]))
{
++start;
}
string::size_type end = start;
while(end < adapterid.size() && IceUtilInternal::isDigit(adapterid[end]))
{
++end;
}
if(start == end)
{
// We must have at least one digit, otherwise there is
// some sort of deployment error.
Ice::Error error(communicator->getLogger());
error << "deployment error: node id does not follow instance name. instance name:"
<< instanceName << " adapter id: " << adapterid;
throw IceBox::FailureException(__FILE__, __LINE__, "IceGrid deployment is incorrect");
}
int nodeid = atoi(adapterid.substr(start, end-start).c_str());
ostringstream os;
os << "node" << nodeid;
Ice::Identity id;
id.category = instanceName;
id.name = os.str();
nodes[nodeid] = NodePrx::uncheckedCast((*p)->ice_adapterId(adapterid)->ice_identity(id));
}
}
if(nodes.size() < 3)
{
Ice::Error error(communicator->getLogger());
error << "Replication requires at least 3 Nodes";
throw IceBox::FailureException(__FILE__, __LINE__, "Replication requires at least 3 Nodes");
}
try
{
// If the node thread pool size is not set then initialize
// to the number of nodes + 1 and disable thread pool size
// warnings.
if(properties->getProperty(name + ".Node.ThreadPool.Size").empty())
{
ostringstream os;
os << nodes.size() + 1;
properties->setProperty(name + ".Node.ThreadPool.Size", os.str());
properties->setProperty(name + ".Node.ThreadPool.SizeWarn", "0");
}
if(properties->getProperty(name + ".Node.MessageSizeMax").empty())
{
properties->setProperty(name + ".Node.MessageSizeMax", "0"); // No limit on data exchanged internally
}
Ice::ObjectAdapterPtr nodeAdapter = communicator->createObjectAdapter(name + ".Node");
_instance = new Instance(instanceName, name, communicator, publishAdapter, topicAdapter,
nodeAdapter, nodes[id]);
_instance->observers()->setMajority(static_cast<unsigned int>(nodes.size())/2);
// Trace replication information.
TraceLevelsPtr traceLevels = _instance->traceLevels();
if(traceLevels->election > 0)
{
Ice::Trace out(traceLevels->logger, traceLevels->electionCat);
out << "I am node " << id << "\n";
for(map<int, NodePrx>::const_iterator p = nodes.begin(); p != nodes.end(); ++p)
{
out << "\tnode: " << p->first << " proxy: " << p->second->ice_toString() << "\n";
}
}
if(topicManagerAdapterId.empty())
{
// We're not using an IceGrid deployment. Here we need
// a proxy which is used to create proxies to the
// replicas later.
_managerProxy = TopicManagerPrx::uncheckedCast(topicAdapter->createProxy(topicManagerId));
}
else
{
// If we're using IceGrid deployment we need to create
// indirect proxies.
_managerProxy = TopicManagerPrx::uncheckedCast(topicAdapter->createIndirectProxy(topicManagerId));
}
_manager = new TopicManagerImpl(_instance);
topicAdapter->add(_manager->getServant(), topicManagerId);
ostringstream os; // The node object identity.
os << "node" << id;
Ice::Identity nodeid;
nodeid.category = instanceName;
nodeid.name = os.str();
NodeIPtr node = new NodeI(_instance, _manager, _managerProxy, id, nodes);
_instance->setNode(node);
nodeAdapter->add(node, nodeid);
nodeAdapter->activate();
node->start();
}
catch(const Ice::Exception& ex)
{
_instance = 0;
LoggerOutputBase s;
s << "exception while starting IceStorm service " << name << ":\n";
s << ex;
IceBox::FailureException e(__FILE__, __LINE__);
e.reason = s.str();
throw e;
}
}
topicAdapter->add(new FinderI(TopicManagerPrx::uncheckedCast(topicAdapter->createProxy(topicManagerId))),
communicator->stringToIdentity("IceStorm/Finder"));
topicAdapter->activate();
publishAdapter->activate();
}
int
PropsClient::run(int argc, char* argv[])
{
if(argc > 1)
{
cerr << appName() << ": too many arguments" << endl;
return EXIT_FAILURE;
}
PropsPrx props = PropsPrx::checkedCast(communicator()->propertyToProxy("Props.Proxy"));
if(!props)
{
cerr << argv[0] << ": invalid proxy" << endl;
return EXIT_FAILURE;
}
Ice::PropertiesAdminPrx admin =
Ice::PropertiesAdminPrx::checkedCast(communicator()->propertyToProxy("Admin.Proxy"));
Ice::PropertyDict batch1;
batch1["Demo.Prop1"] = "1";
batch1["Demo.Prop2"] = "2";
batch1["Demo.Prop3"] = "3";
Ice::PropertyDict batch2;
batch2["Demo.Prop1"] = "10";
batch2["Demo.Prop2"] = ""; // An empty value removes this property
batch2["Demo.Prop3"] = "30";
show(admin);
menu();
char c = 'x';
do
{
try
{
cout << "==> ";
cin >> c;
if(c == '1' || c == '2')
{
Ice::PropertyDict dict = c == '1' ? batch1 : batch2;
cout << "Sending:" << endl;
for(Ice::PropertyDict::iterator p = dict.begin(); p != dict.end(); ++p)
{
if(p->first.find("Demo") == 0)
{
cout << " " << p->first << "=" << p->second << endl;
}
}
cout << endl;
admin->setProperties(dict);
cout << "Changes:" << endl;
Ice::PropertyDict changes = props->getChanges();
if(changes.empty())
{
cout << " None." << endl;
}
else
{
for(Ice::PropertyDict::iterator p = changes.begin(); p != changes.end(); ++p)
{
cout << " " << p->first;
if(p->second.empty())
{
cout << " was removed" << endl;
}
else
{
cout << " is now " << p->second << endl;
}
}
}
}
else if(c == 'c')
{
show(admin);
}
else if(c == 's')
{
props->shutdown();
}
else if(c == 'x')
{
// Nothing to do
}
else if(c == '?')
{
menu();
}
else
{
cout << "unknown command `" << c << "'" << endl;
menu();
}
}
catch(const Ice::Exception& ex)
{
cerr << ex << endl;
}
}
while(cin.good() && c != 'x');
return EXIT_SUCCESS;
}
void
allTests(const Ice::CommunicatorPtr& communicator)
{
string ref = "DemoIceBox/admin:default -p 9996 -t 10000";
Ice::ObjectPrx admin = communicator->stringToProxy(ref);
TestFacetPrx facet;
cout << "testing custom facet... " << flush;
{
//
// Test: Verify that the custom facet is present.
//
facet = Test::TestFacetPrx::checkedCast(admin, "TestFacet");
facet->ice_ping();
}
cout << "ok" << endl;
cout << "testing properties facet... " << flush;
{
Ice::PropertiesAdminPrx pa =
Ice::PropertiesAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Properties");
//
// Test: PropertiesAdmin::getProperty()
//
test(pa->getProperty("Prop1") == "1");
test(pa->getProperty("Bogus") == "");
//
// Test: PropertiesAdmin::getProperties()
//
Ice::PropertyDict pd = pa->getPropertiesForPrefix("");
test(pd.size() == 5);
test(pd["Prop1"] == "1");
test(pd["Prop2"] == "2");
test(pd["Prop3"] == "3");
test(pd["Ice.Config"] == "config.service");
test(pd["Ice.ProgramName"] == "IceBox-TestService");
Ice::PropertyDict changes;
//
// Test: PropertiesAdmin::setProperties()
//
Ice::PropertyDict setProps;
setProps["Prop1"] = "10"; // Changed
setProps["Prop2"] = "20"; // Changed
setProps["Prop3"] = ""; // Removed
setProps["Prop4"] = "4"; // Added
setProps["Prop5"] = "5"; // Added
pa->setProperties(setProps);
test(pa->getProperty("Prop1") == "10");
test(pa->getProperty("Prop2") == "20");
test(pa->getProperty("Prop3") == "");
test(pa->getProperty("Prop4") == "4");
test(pa->getProperty("Prop5") == "5");
changes = facet->getChanges();
test(changes.size() == 5);
test(changes["Prop1"] == "10");
test(changes["Prop2"] == "20");
test(changes["Prop3"] == "");
test(changes["Prop4"] == "4");
test(changes["Prop5"] == "5");
pa->setProperties(setProps);
changes = facet->getChanges();
test(changes.empty());
}
cout << "ok" << endl;
cout << "testing metrics admin facet... " << flush;
{
IceMX::MetricsAdminPrx ma = IceMX::MetricsAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Metrics");
Ice::PropertiesAdminPrx pa =
Ice::PropertiesAdminPrx::checkedCast(admin, "IceBox.Service.TestService.Properties");
Ice::StringSeq views;
Ice::StringSeq disabledViews;
views = ma->getMetricsViewNames(disabledViews);
test(views.empty());
Ice::PropertyDict setProps;
setProps["IceMX.Metrics.Debug.GroupBy"] = "id";
setProps["IceMX.Metrics.All.GroupBy"] = "none";
setProps["IceMX.Metrics.Parent.GroupBy"] = "parent";
pa->setProperties(setProps);
pa->setProperties(Ice::PropertyDict());
views = ma->getMetricsViewNames(disabledViews);
test(views.size() == 3);
// Make sure that the IceBox communicator metrics admin is a separate instance.
test(IceMX::MetricsAdminPrx::checkedCast(admin, "Metrics")->getMetricsViewNames(disabledViews).empty());
}
cout << "ok" << endl;
}