4 * Created on: Aug 11, 2010
10 #include "ServerEventThread.hh"
11 #include "OrbServerImpl.hh"
12 #include "ClientServerCommon.hh"
13 #include "BusMessageInternal.hh"
16 using namespace plpbus;
17 using namespace plpbus_orb;
19 static omni_mutex server_thread_mutex;
20 static omni_condition server_thread_shutdown_signal(&server_thread_mutex);
22 OrbServerImpl::OrbServerImpl()
26 _server_thread_count = 0;
27 _shutdown_pending = 0;
31 OrbServerImpl::~OrbServerImpl()
33 log_info("OrbServerImpl destroyed.\n");
36 void OrbServerImpl::send_message_and_request_response(OrbClient_ptr response_listener_param,
42 if (CORBA::is_nil(response_listener_param) == false) {
43 if (_listener != NULL) {
44 log_debug("send_message_and_request_response(): %s, server callback != NULL\n", msg_req);
45 _listener->request_received(msg_req, &msg_rsp);
46 log_debug("send_message_and_request_response(), request_received\n");
47 response_listener_param->receive_response_message(msg_rsp);
50 log_error("send_message_and_request_response() error, server callback == NULL\n");
54 log_error("invalid callback object received.\n");
58 char *OrbServerImpl::send_message_and_wait_response(const char* msg_req_param, ::CORBA::Long& err_flg) {
64 if (_listener != NULL) {
65 log_debug("send_message_and_wait_response(): %s, server_callback != NULL\n", msg_req_param);
66 _listener->request_received(msg_req_param, &msg_rsp);
67 //ret_val = CORBA::string_dup(msg_rsp);
68 ret_val = CORBA::string_dup(msg_rsp);
71 log_error("send_message_and_wait_response() error, server callback == NULL\n");
72 ret_val = CORBA::string_dup(msg_req_param);
78 void OrbServerImpl::send_dataitem_message_and_request_response(OrbClient_ptr response_listener_param,
79 const ::DataItemSequence& msg_req_param) {
82 DataItemSequence *seq;
85 if (CORBA::is_nil(response_listener_param) == false) {
86 if (_listener != NULL) {
87 msg_req = new BusMessageInternal(msg_req_param);
88 log_debug("send_dataitem_message_and_request_response(), server_callback != NULL\n");
89 log_debug("msg_req:\n");
93 msg_rsp = new BusMessage(msg_req->get_type(&err_flg));
94 _listener->request_received(msg_req, msg_rsp);
95 seq = (DataItemSequence *)msg_rsp->_dataItemSeq;
96 log_debug("msg_rsp length: %ld\n", seq->length());
98 response_listener_param->receive_response_dataitem_sequence(*seq);
103 log_error("send_dataitem_message_and_request_response() error, server_callback == NULL\n");
108 CORBA::Long OrbServerImpl::send_dataitem_message_and_wait_response(const DataItemSequence& req_seq_param,
109 DataItemSequence_out rsp_seq_param) {
112 DataItemSequence *seq;
117 msg_req = new BusMessageInternal(req_seq_param);
118 msg_rsp = new BusMessage(msg_req->get_type(&err_flg));
119 _listener->request_received(msg_req, msg_rsp);
120 if (msg_rsp != NULL) {
121 seq = (DataItemSequence *)msg_rsp->_dataItemSeq;
124 seq = new DataItemSequence();
126 rsp_seq_param._data = seq;
131 void OrbServerImpl::add_event_listener(OrbClient_ptr client_param,
133 CORBA::UShort period_secs)
135 ServerEventThread *srvr_thread;
137 if (CORBA::is_nil(client_param) == false) {
138 log_debug("add_event_listener()\n");
139 server_thread_mutex.lock();
140 _server_thread_count++;
141 server_thread_mutex.unlock();
142 srvr_thread = new ServerEventThread(client_param, msg, period_secs, this);
143 srvr_thread->start();
146 log_error("Failed to add event listener, listener NULL.\n");
150 void OrbServerImpl::shutdown()
152 omni_mutex_lock sync(server_thread_mutex);
153 if (is_shutdown_pending() == 0) {
154 log_debug("shutdown request received!\n");
155 // Tell the servers to exit, and wait for them to do so.
156 _shutdown_pending = 1;
157 while(_server_thread_count > 0) {
158 server_thread_shutdown_signal.timedwait(5, 0);
159 log_debug("signal received\n");
161 // Shutdown the ORB (but do not wait for completion). This also
162 // causes the main thread to unblock from CORBA::ORB::run().
163 log_debug("calling orb shutdown\n");
165 log_debug("orb shutdown called\n");
169 int OrbServerImpl::init() {
177 _orb = CORBA::ORB_init(argc, argv);
179 _poa = create_poa(_orb);
183 log_error("init() failed\n");
188 int OrbServerImpl::launch(const char *server_name)
190 CORBA::Object_var server_ref;
191 PortableServer::ObjectId_var server_id;
194 CosNaming::NamingContext_var naming_context;
197 POA_plpbus_orb::OrbServer_tie<OrbServerImpl> server_impl(this);
198 server_id = _poa->activate_object(&server_impl);
199 server_ref = server_impl._this();
200 //this->_remove_ref();
201 naming_context = get_service_naming_context(CONST_CONTEXT_NAME__PLPBUS, CONST_CONTEXT_KIND__PLPBUS);
202 if (naming_context != NULL) {
203 ok_flg = bind_naming_context_and_service(naming_context,
206 CONST_CONTEXT_KIND__PLPBUS);
207 if (ok_flg == true) {
208 log_debug("Registered to naming service: %s\n", server_name);
213 log_error("Failed to register to naming service: %s\n", server_name);
219 PortableServer::POA_var OrbServerImpl::create_poa(CORBA::ORB_var orb) {
220 PortableServer::POA_var ret_val;
221 CORBA::Object_var poa_obj;
222 CORBA::PolicyList policy_list;
223 CORBA::Any policyVal;
224 PortableServer::POAManager_var poa_man;
225 PortableServer::POA_var rootpoa;
228 poa_obj = orb->resolve_initial_references(CONST_ROOT_POA_NAME);
229 if (poa_obj != NULL) {
230 rootpoa = PortableServer::POA::_narrow(poa_obj);
231 if (rootpoa != NULL) {
232 poa_man = rootpoa->the_POAManager();
233 if (poa_man != NULL) {
235 // bidirectional policy
236 policy_list.length(1);
237 policyVal <<= BiDirPolicy::BOTH;
238 policy_list[0] = orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE, policyVal);
239 ret_val = rootpoa->create_POA(CONST_ROOT_POA_BIDIR_POLICY_NAME,
246 log_error("Failed to create RootPOA.\n");
251 CosNaming::NamingContext_var OrbServerImpl::get_service_naming_context(const char *service_name_param,
252 const char *service_kind_param)
254 CosNaming::NamingContext_var ret_val;
255 CosNaming::NamingContext_var ns_context;
256 CORBA::Object_var ns_obj;
257 CORBA::Object_var service_obj;
258 CosNaming::Name context_data;
262 // get nameservice reference
263 log_debug("get_service_naming_context() 1\n");
264 ns_obj = _orb->resolve_initial_references(CONST_NAME_SERVICE_NAME);
265 log_debug("get_service_naming_context() 2\n");
266 // get name service context
267 ns_context = CosNaming::NamingContext::_narrow(ns_obj);
268 log_debug("get_service_naming_context() 3\n");
269 if (CORBA::is_nil(ns_context) == false) {
270 context_data.length(1);
271 context_data[0].id = service_name_param;
272 context_data[0].kind = service_kind_param;
273 log_debug("get_service_naming_context() 4\n");
275 service_obj = ns_context->resolve(context_data);
277 catch(CosNaming::NamingContext::NotFound& ex) {
278 log_error("Failed to get context from name service for %s. Context does not yet exist, but will try to create.\n", service_name_param);
281 log_debug("get_service_naming_context() 5\n");
282 if (CORBA::is_nil(service_obj)) {
283 // not found, try to bind the new context to name service
284 log_debug("get_service_naming_context() 6\n");
285 ret_val = ns_context->bind_new_context(context_data);
286 log_debug("get_service_naming_context() 7\n");
287 if (CORBA::is_nil(ret_val) ) {
288 log_error("Failed to create new context to name service for %s.\n", service_name_param);
292 ret_val = CosNaming::NamingContext::_narrow(service_obj);
293 if (CORBA::is_nil(ret_val) ) {
294 log_error("Failed to get existing context from name service for %s, narrowing failed.\n", service_name_param);
298 catch(CosNaming::NamingContext::AlreadyBound& ex) {
299 log_error("Failed to get context from name service for %s. Context with same name already exist.\n", service_name_param);
303 catch (CORBA::ORB::InvalidName&) {
304 // This should not happen!
305 log_error("Failed to get context from name service for %s, name service does not exist.\n", service_name_param);
307 catch(CORBA::TRANSIENT& ex) {
308 log_error("Failed to get context from name service for %s, verify that name service is running.\n", service_name_param);
310 catch (CORBA::NO_RESOURCES&) {
311 log_error("Failed to get context from name service for %s, Name service is not running or has configuration problem.\n", service_name_param);
312 log_error("Check-list:\n");
313 log_error("If you have OMNIORB_CONFIG environment variable defined, verify that omniORB.cfg file exist in that location.\n");
314 log_error("If you do not have OMNIORB_CONFIG environment variable defined, verify that you have /etc/omniORB.cfg file\n");
315 log_error("Verify that InitRef line is defined in omniORB.cfg file.\n");
317 catch(CORBA::SystemException& ex) {
318 log_error("Failed to get context from name service for %s, system error.\n", service_name_param);
320 log_debug("get_service_naming_context() done\n");
324 bool OrbServerImpl::bind_naming_context_and_service(CosNaming::NamingContext_var service_context_param,
325 CORBA::Object_ptr service_ref_param,
326 const char *service_name_param,
327 const char *service_kind_param)
330 CosNaming::Name context_data;
334 context_data.length(1);
335 context_data[0].id = service_name_param;
336 context_data[0].kind = service_kind_param;
338 service_context_param->bind(context_data, service_ref_param);
341 catch(CosNaming::NamingContext::AlreadyBound& ex) {
343 * service existed already for the naming context with similar description.
344 * Replace the existing one with a new one.
346 log_warning("service %s exist, replacing it\n", service_name_param);
347 service_context_param->rebind(context_data, service_ref_param);
351 catch (CosNaming::NamingContext::InvalidName&) {
352 log_error("Could not register service to name server, invalid service name.\n");
354 catch (CosNaming::NamingContext::NotFound&) {
355 log_error("Could not register service to name server, service object reference is invalid.\n");
357 catch (CosNaming::NamingContext::CannotProceed&) {
358 // This should not happen!
359 log_error("Could not register service to name server, unknown error.\n");
361 catch(CORBA::SystemException& ex) {
362 log_error("Could not register service to name server, unknown error.\n");
367 int OrbServerImpl::add_server_listener(IServerListener *listener_param)
372 log_debug("register_request_received_callback() started\n");
373 _listener = listener_param;
377 int OrbServerImpl::is_shutdown_pending() {
378 return _shutdown_pending;
381 void OrbServerImpl::server_thread_closed() {
384 log_debug("server_thread_closed() started\n");
386 server_thread_mutex.lock();
387 log_debug("server_thread_closed(), server_thread_count: %d\n", _server_thread_count);
388 _server_thread_count--;
389 if (_server_thread_count == 0) {
392 server_thread_mutex.unlock();
393 if (send_signal == true) {
394 log_debug("server_thread_closed(), sending signal\n");
395 server_thread_shutdown_signal.signal();
396 log_debug("server_thread_closed(), signal send\n");