4 * Created on: Jun 7, 2010
10 #include "BusClient.hh"
11 #include "ClientServerCommon.hh"
12 #include "BusMessageInternal.hh"
13 #include "RequestResponseBus.hh"
16 using namespace plpbus;
17 using namespace plpbus_orb;
19 class OrbClientImpl : public virtual POA_plpbus_orb::OrbClient {
21 IClientListener *listener;
23 OrbClientImpl(IClientListener *listener_param) {
24 listener = listener_param;
26 virtual ~OrbClientImpl() {}
28 virtual void receive_event_message(const char *event_param) {
29 if (listener != NULL) {
30 listener->event_received(event_param);
34 virtual void receive_event_dataitem_sequence(const ::plpbus_orb::DataItemSequence& event_param) {
35 BusMessageInternal *bus_msg;
37 if (listener != NULL) {
38 bus_msg = new BusMessageInternal(event_param);
39 listener->event_received(bus_msg);
43 virtual void receive_response_message(const char *msg_rsp_param) {
44 if (listener != NULL) {
45 listener->response_received(msg_rsp_param);
49 virtual void receive_response_dataitem_sequence(const ::plpbus_orb::DataItemSequence& msg_rsp_param) {
50 BusMessageInternal *bus_msg;
52 if (listener != NULL) {
53 bus_msg = new BusMessageInternal(msg_rsp_param);
54 listener->response_received(bus_msg);
59 BusClient::BusClient()
61 log_debug("created\n");;
66 BusClient::~BusClient()
72 log_debug("destroyed\n");
75 int BusClient::init(const char *server_name) {
78 CORBA::Object_var server_obj;
82 log_info("init() started\n");;
83 _orb = CORBA::ORB_init(argc, argv);
85 log_debug("ORB_init() done, finding server: %s\n", server_name);
86 server_obj = find_server_object_by_name(_orb,
87 CONST_CONTEXT_NAME__PLPBUS,
88 CONST_CONTEXT_KIND__PLPBUS,
90 CONST_CONTEXT_NAME__PLPBUS);
91 if (CORBA::is_nil(server_obj) == false) {
92 _server = plpbus_orb::OrbServer::_narrow(server_obj);
93 log_info("Server object found: %s", server_name);
96 log_error("Could not find server object: %s\n", server_name);
102 int BusClient::add_client_listener(IClientListener *listener_param) {
103 log_debug("add_client_listener() started\n");
105 OrbClientImpl *client_cb;
106 PortableServer::ObjectId_var oid;
108 _poa = create_poa(_orb);
109 client_cb = new OrbClientImpl(listener_param);
110 oid = _poa->activate_object(client_cb);
111 _client = client_cb->_this();
112 client_cb->_remove_ref();
113 _server->add_event_listener(_client, "event_message", CONST_DEFAULT_EVENT_INTERVAL);
115 log_debug("add_client_listener() done\n");
119 int BusClient::send_message_and_request_response(const char *msg_req_param) {
120 _server->send_message_and_request_response(_client, msg_req_param);
124 int BusClient::send_message_and_wait_response(const char *msg_req_param, char **msg_rsp_param) {
127 *msg_rsp_param = _server->send_message_and_wait_response(msg_req_param, ret_val);
131 int BusClient::send_message_and_request_response(BusMessage *msg_req_param) {
132 DataItemSequence *seq;
134 seq = (DataItemSequence *)msg_req_param->_dataItemSeq;
135 _server->send_dataitem_message_and_request_response(_client, *seq);
139 int BusClient::send_message_and_wait_response(BusMessage *msg_req_param, BusMessage **msg_rsp_param) {
140 DataItemSequence *seq_rsp;
141 DataItemSequence *seq;
144 seq = (DataItemSequence *)msg_req_param->_dataItemSeq;
145 _server->send_dataitem_message_and_wait_response(*seq, seq_rsp);
149 void BusClient::request_shutdown() {
150 if (CORBA::is_nil(_server) == false) {
155 PortableServer::POA_var BusClient::create_poa(CORBA::ORB_var orb) {
156 PortableServer::POA_var ret_val;
157 CORBA::Object_var poa_obj;
158 CORBA::PolicyList policy_list;
159 CORBA::Any policyVal;
160 PortableServer::POAManager_var poa_man;
161 PortableServer::POA_var rootpoa;
164 poa_obj = orb->resolve_initial_references(CONST_ROOT_POA_NAME);
165 if (poa_obj != NULL) {
166 rootpoa = PortableServer::POA::_narrow(poa_obj);
167 if (rootpoa != NULL) {
168 poa_man = rootpoa->the_POAManager();
169 if (poa_man != NULL) {
171 // bidirectional policy
172 policy_list.length(1);
173 policyVal <<= BiDirPolicy::BOTH;
174 policy_list[0] = orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE, policyVal);
175 ret_val = rootpoa->create_POA(CONST_ROOT_POA_BIDIR_POLICY_NAME,
182 cerr << "Failed to create RootPOA." << endl;
187 CosNaming::NamingContext_var BusClient::get_name_service_context(CORBA::ORB_var orb_param) {
188 CORBA::Object_var ns_obj;
189 CosNaming::NamingContext_var ret_val;
193 ns_obj = orb_param->resolve_initial_references(CONST_NAME_SERVICE_NAME);
194 if (CORBA::is_nil(ns_obj) == false) {
195 // narrow the object reference
196 ret_val = CosNaming::NamingContext::_narrow(ns_obj);
199 catch (CORBA::ORB::InvalidName&) {
200 // This should not happen!
201 cerr << "Could not find name service." << endl;
203 catch(CORBA::TRANSIENT& ex) {
204 cerr << "Could not find name service, verify that name service is running. " << endl;
206 catch (CORBA::NO_RESOURCES&) {
207 cerr << "Could not find name service, verify that name service is running. " << endl;
209 catch(CORBA::SystemException& ex) {
210 cerr << "Could not find name service, unknown reason. " << endl;
215 CORBA::Object_var BusClient::find_server_object_by_name(CORBA::ORB_var orb_param,
216 const char *leaf_name_param,
217 const char *leaf_kind_param,
218 const char *service_name_param,
219 const char *service_kind_param)
221 CORBA::Object_var ret_val;
222 CosNaming::NamingContext_var ns_root_context;
223 CosNaming::Name service_data;
225 ret_val = CORBA::Object::_nil();
226 ns_root_context = get_name_service_context(orb_param);
227 if (CORBA::is_nil(ns_root_context) == false) {
228 // define search criteria
229 service_data.length(2);
230 service_data[0].id = leaf_name_param;
231 service_data[0].kind = leaf_kind_param;
232 service_data[1].id = service_name_param;
233 service_data[1].kind = service_kind_param;
235 ret_val = ns_root_context->resolve(service_data);
237 catch(CosNaming::NamingContext::NotFound& ex) {
238 log_error("Could not find service from the name server.\n");
240 catch(CORBA::TRANSIENT& ex) {
241 log_error("Could not find service from the name server.\n");
243 catch(CORBA::SystemException& ex) {
244 log_error("Could not find service from the name server, unknown error.\n");
248 log_error("Could not find naming service.\n");