4 * Created on: Jun 7, 2010
10 #include "BusClient.hh"
11 #include "BusMessageInternal.hh"
14 using namespace plpbus;
16 class OrbClientImpl : public virtual POA_plpbus_orb::OrbClient
19 IClientListener *listener;
21 OrbClientImpl(IClientListener *listener_param) {
22 listener = listener_param;
24 virtual ~OrbClientImpl() {}
26 virtual void receive_event_message(const char *event_param) {
27 if (listener != NULL) {
28 listener->event_received(event_param);
32 virtual void receive_event_dataitem_sequence(const ::plpbus_orb::DataItemSequence& event_param) {
33 BusMessageInternal *bus_msg;
35 if (listener != NULL) {
36 bus_msg = new BusMessageInternal(event_param);
37 listener->event_received(bus_msg);
41 virtual void receive_response_message(const char *msg_rsp_param) {
42 if (listener != NULL) {
43 listener->response_received(msg_rsp_param);
47 virtual void receive_response_dataitem_sequence(const ::plpbus_orb::DataItemSequence& msg_rsp_param) {
48 BusMessageInternal *bus_msg;
50 if (listener != NULL) {
51 bus_msg = new BusMessageInternal(msg_rsp_param);
52 listener->response_received(bus_msg);
57 BusClient::BusClient()
59 log_debug("created\n");;
64 BusClient::~BusClient()
70 log_debug("destroyed\n");
73 int BusClient::init(const char *server_name) {
76 CORBA::Object_var server_obj;
80 log_info("init() started\n");;
81 _orb = CORBA::ORB_init(argc, argv);
83 log_debug("ORB_init() done, finding server: %s\n", server_name);
84 server_obj = find_server_object_by_name(_orb,
85 CONST_CONTEXT_NAME__PLPBUS,
86 CONST_CONTEXT_KIND__PLPBUS,
88 CONST_CONTEXT_NAME__PLPBUS);
89 if (CORBA::is_nil(server_obj) == false) {
90 _server = plpbus_orb::OrbServer::_narrow(server_obj);
91 log_info("Server object found: %s", server_name);
94 log_error("Could not find server object: %s\n", server_name);
100 int BusClient::add_client_listener(IClientListener *listener_param) {
101 log_debug("add_client_listener() started\n");
103 OrbClientImpl *client_cb;
104 PortableServer::ObjectId_var oid;
106 _poa = create_poa(_orb);
107 client_cb = new OrbClientImpl(listener_param);
108 oid = _poa->activate_object(client_cb);
109 _client = client_cb->_this();
110 client_cb->_remove_ref();
111 _server->add_event_listener(_client, "event_message", CONST_DEFAULT_EVENT_INTERVAL);
113 log_debug("add_client_listener() done\n");
117 int BusClient::send_message_and_request_response(const char *msg_req_param) {
118 _server->send_message_and_request_response(_client, msg_req_param);
122 int BusClient::send_message_and_wait_response(const char *msg_req_param, char **msg_rsp_param) {
125 *msg_rsp_param = _server->send_message_and_wait_response(msg_req_param, ret_val);
129 int BusClient::send_message_and_request_response(BusMessage *msg_req_param) {
130 _server->send_dataitem_message_and_request_response(_client, msg_req_param->_dataItemSeq);
134 int BusClient::send_message_and_wait_response(BusMessage *msg_req_param, BusMessage **msg_rsp_param) {
135 plpbus_orb::DataItemSequence *seq_rsp;
138 _server->send_dataitem_message_and_wait_response(msg_req_param->_dataItemSeq, seq_rsp);
141 void BusClient::request_shutdown() {
142 if (CORBA::is_nil(_server) == false) {
147 PortableServer::POA_var BusClient::create_poa(CORBA::ORB_var orb) {
148 PortableServer::POA_var ret_val;
149 CORBA::Object_var poa_obj;
150 CORBA::PolicyList policy_list;
151 CORBA::Any policyVal;
152 PortableServer::POAManager_var poa_man;
153 PortableServer::POA_var rootpoa;
156 poa_obj = orb->resolve_initial_references(CONST_ROOT_POA_NAME);
157 if (poa_obj != NULL) {
158 rootpoa = PortableServer::POA::_narrow(poa_obj);
159 if (rootpoa != NULL) {
160 poa_man = rootpoa->the_POAManager();
161 if (poa_man != NULL) {
163 // bidirectional policy
164 policy_list.length(1);
165 policyVal <<= BiDirPolicy::BOTH;
166 policy_list[0] = orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE, policyVal);
167 ret_val = rootpoa->create_POA(CONST_ROOT_POA_BIDIR_POLICY_NAME,
174 cerr << "Failed to create RootPOA." << endl;
179 CosNaming::NamingContext_var BusClient::get_name_service_context(CORBA::ORB_var orb_param) {
180 CORBA::Object_var ns_obj;
181 CosNaming::NamingContext_var ret_val;
185 ns_obj = orb_param->resolve_initial_references(CONST_NAME_SERVICE_NAME);
186 if (CORBA::is_nil(ns_obj) == false) {
187 // narrow the object reference
188 ret_val = CosNaming::NamingContext::_narrow(ns_obj);
191 catch (CORBA::ORB::InvalidName&) {
192 // This should not happen!
193 cerr << "Could not find name service." << endl;
195 catch(CORBA::TRANSIENT& ex) {
196 cerr << "Could not find name service, verify that name service is running. " << endl;
198 catch (CORBA::NO_RESOURCES&) {
199 cerr << "Could not find name service, verify that name service is running. " << endl;
201 catch(CORBA::SystemException& ex) {
202 cerr << "Could not find name service, unknown reason. " << endl;
207 CORBA::Object_var BusClient::find_server_object_by_name(CORBA::ORB_var orb_param,
208 const char *leaf_name_param,
209 const char *leaf_kind_param,
210 const char *service_name_param,
211 const char *service_kind_param)
213 CORBA::Object_var ret_val;
214 CosNaming::NamingContext_var ns_root_context;
215 CosNaming::Name service_data;
217 ret_val = CORBA::Object::_nil();
218 ns_root_context = get_name_service_context(orb_param);
219 if (CORBA::is_nil(ns_root_context) == false) {
220 // define search criteria
221 service_data.length(2);
222 service_data[0].id = leaf_name_param;
223 service_data[0].kind = leaf_kind_param;
224 service_data[1].id = service_name_param;
225 service_data[1].kind = service_kind_param;
227 ret_val = ns_root_context->resolve(service_data);
229 catch(CosNaming::NamingContext::NotFound& ex) {
230 log_error("Could not find service from the name server.\n");
232 catch(CORBA::TRANSIENT& ex) {
233 log_error("Could not find service from the name server.\n");
235 catch(CORBA::SystemException& ex) {
236 log_error("Could not find service from the name server, unknown error.\n");
240 log_error("Could not find naming service.\n");