--- a
+++ b/hello_src/helloctl.cpp
@@ -0,0 +1,144 @@
+// This libupnpp sample is the control side for the hellodevice sample
+// device implementation
+
+#include <string>
+#include <iostream>
+#include <mutex>
+#include <condition_variable>
+#include <functional>
+
+#include "libupnpp/upnpplib.hxx"
+#include "libupnpp/soaphelp.hxx"
+#include "libupnpp/control/discovery.hxx"
+#include "libupnpp/control/device.hxx"
+#include "libupnpp/control/service.hxx"
+
+using namespace std;
+using namespace std::placeholders;
+
+// Locally defined control class for the Rendering Control
+// service. We're just copying code from the libupnpp actually, this is
+// just to show that it can be done outside the library.
+class HelloCTL : public UPnPClient::Service {
+public:
+
+ /* Construct by copying data from device and service objects.*/
+ HelloCTL(const UPnPClient::UPnPDeviceDesc& device,
+ const UPnPClient::UPnPServiceDesc& service)
+ : UPnPClient::Service(device, service) {
+ // No event handling. Look at, e.g. rdcvolume.cpp for an example
+ }
+
+ virtual ~HelloCTL() { }
+
+ /* Test that a service type matches ours. This can be used
+ with the directory traversal routine */
+ static bool isHelloService(const std::string& st) {
+ // Note that we do not care about the version
+ return st.find("urn:upnpp-schemas:service:HelloService") == 0;
+ }
+
+ int hello();
+};
+
+int HelloCTL::hello()
+{
+ // Outgoing parameters. The object is constructed with the service
+ // type (comes from the description we were built on), and the
+ // action name. This is sufficient for some actions (ie stop())
+ UPnPP::SoapOutgoing args(getServiceType(), "Hello");
+
+ // This call does not need further outgoing arguments (see
+ // rdcvolume for an example of these.
+
+ // We have to declare a return parameter, even if we don't care
+ // about the contents.
+ UPnPP::SoapIncoming data;
+
+ int ret = runAction(args, data);
+ if (ret != UPNP_E_SUCCESS) {
+ return ret;
+ }
+ string value;
+ if (!data.get("MyValue", &value)) {
+ cerr << "HelloCTL:getVolume: missing MyValue in response\n";
+ return UPNP_E_BAD_RESPONSE;
+ }
+
+ cout << "Hello : " << value << endl;
+ return 0;
+}
+
+// Device discovery part. We do it the easy way here: use a blocking
+// call which will wait for the initial window to complete. We could
+// traverse the device directory in search, for example of a device of
+// a specific kind instead of using a device name like we do here (there is
+// an example of UPnPDeviceDirectory::traverse() usage in uplistdir.cpp).
+//
+// See rdcvolume.cpp for a version using callbacks to get the device asap
+shared_ptr<HelloCTL> getService(const string& name)
+{
+ // Initialize and get a discovery directory handle.
+ auto *superdir = UPnPClient::UPnPDeviceDirectory::getTheDir(1);
+ if (nullptr == superdir) {
+ cerr << "Discovery init failed\n";
+ return shared_ptr<HelloCTL>();
+ }
+
+ UPnPClient::UPnPDeviceDesc devicedesc;
+ // We look-up the device by either friendlyname or udn as the 2
+ // namespaces are unlikely to overlap, no need to complicate things
+ if (!superdir->getDevByUDN(name, devicedesc) &&
+ !superdir->getDevByFName(name, devicedesc)) {
+ cerr << "Can't connect to " << name << endl;
+ return shared_ptr<HelloCTL>();
+ }
+
+ // Walk the device description service list, looking for ours
+ for (const auto& ent : devicedesc.services) {
+ // cout << ent.dump() << endl;
+ if (HelloCTL::isHelloService(ent.serviceType)) {
+ return make_shared<HelloCTL>(devicedesc, ent);
+ }
+ }
+ cerr << name << " has no hello service\n";
+ return shared_ptr<HelloCTL>();
+}
+
+int main(int argc, char **argv)
+{
+ // Initialize libupnpp logging
+ Logger::getTheLog("")->setLogLevel(Logger::LLERR);
+
+ argv++;argc--;
+ if (argc != 1) {
+ cerr << "Usage: rdcvolume rendererNameOrUid\n";
+ return 1;
+ }
+ string devname(*argv++);
+ argc--;
+
+
+ // Explicitely initialize libupnpp so that we can display a
+ // possible error
+ UPnPP::LibUPnP *mylib = UPnPP::LibUPnP::getLibUPnP();
+ if (!mylib) {
+ cerr << "Can't get LibUPnP" << endl;
+ return 1;
+ }
+ if (!mylib->ok()) {
+ cerr << "Lib init failed: " <<
+ mylib->errAsString("main", mylib->getInitError()) << endl;
+ return 1;
+ }
+
+ shared_ptr<HelloCTL> hlo = getService(devname);
+ if (!hlo) {
+ cerr << "Device " << devname <<
+ " has no Hello service" << endl;
+ return 1;
+ }
+ hlo->hello();
+ return 0;
+}
+