END_TEST
START_TEST(Server_unregister) {
UA_StatusCode retval =
UA_Server_unregister_discovery(server_register, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
}
END_TEST
START_TEST(Server_unregister_periodic) {
// wait for first register delay
UA_sleep(1000);
sleep(1);
UA_Server_removeRepeatedCallback(server_register, periodicRegisterCallbackId);
UA_StatusCode retval = UA_Server_unregister_discovery(server_register,
"opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
}
END_TEST
START_TEST(Server_unregister_periodic) {
// wait for first register delay
UA_fakeSleep(1000);
UA_realSleep(1000);
UA_Server_removeRepeatedCallback(server_register, periodicRegisterCallbackId);
UA_StatusCode retval = UA_Server_unregister_discovery(server_register, clientRegisterRepeated);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_disconnect(clientRegisterRepeated);
UA_Client_delete(clientRegisterRepeated);
clientRegisterRepeated=NULL;
}
END_TEST
START_TEST(Server_unregister) {
UA_Client *clientRegister = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(clientRegister));
UA_StatusCode retval = UA_Client_connect_noSession(clientRegister, "opc.tcp://localhost:4840");
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
retval = UA_Server_unregister_discovery(server_register, clientRegister);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_Client_disconnect(clientRegister);
UA_Client_delete(clientRegister);
}
int main(int argc, char **argv) {
signal(SIGINT, stopHandler); /* catches ctrl-c */
signal(SIGTERM, stopHandler);
UA_ServerConfig *config = UA_ServerConfig_new_default();
UA_String_deleteMembers(&config->applicationDescription.applicationUri);
config->applicationDescription.applicationUri =
UA_String_fromChars("urn:open62541.example.server_register");
config->mdnsServerName = UA_String_fromChars("Sample Server");
// See http://www.opcfoundation.org/UA/schemas/1.03/ServerCapabilities.csv
//config.serverCapabilitiesSize = 1;
//UA_String caps = UA_String_fromChars("LDS");
//config.serverCapabilities = ∩︀
UA_Server *server = UA_Server_new(config);
/* add a variable node to the address space */
UA_Int32 myInteger = 42;
UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer");
UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer");
UA_DataSource dateDataSource;
dateDataSource.read = readInteger;
dateDataSource.write = writeInteger;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.description = UA_LOCALIZEDTEXT("en-US", "the answer");
attr.displayName = UA_LOCALIZEDTEXT("en-US", "the answer");
UA_Server_addDataSourceVariableNode(server, myIntegerNodeId,
UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
myIntegerName, UA_NODEID_NULL, attr, dateDataSource,
&myInteger, NULL);
// periodic server register after 10 Minutes, delay first register for 500ms
UA_StatusCode retval =
UA_Server_addPeriodicServerRegisterCallback(server, DISCOVERY_SERVER_ENDPOINT,
10 * 60 * 1000, 500, NULL);
// UA_StatusCode retval = UA_Server_addPeriodicServerRegisterJob(server,
// "opc.tcp://localhost:4840", 10*60*1000, 500, NULL);
if (retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER,
"Could not create periodic job for server register. StatusCode %s",
UA_StatusCode_name(retval));
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return (int)retval;
}
retval = UA_Server_run(server, &running);
if (retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER,
"Could not start the server. StatusCode %s",
UA_StatusCode_name(retval));
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return (int)retval;
}
// UNregister the server from the discovery server.
retval = UA_Server_unregister_discovery(server, DISCOVERY_SERVER_ENDPOINT);
//retval = UA_Server_unregister_discovery(server, "opc.tcp://localhost:4840" );
if(retval != UA_STATUSCODE_GOOD)
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER,
"Could not unregister server from discovery server. StatusCode %s",
UA_StatusCode_name(retval));
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return (int)retval;
}
int main(int argc, char **argv) {
signal(SIGINT, stopHandler); /* catches ctrl-c */
signal(SIGTERM, stopHandler);
UA_ServerConfig *config = UA_ServerConfig_new_minimal(16600, NULL);
// To enable mDNS discovery, set application type to discovery server.
config->applicationDescription.applicationType = UA_APPLICATIONTYPE_DISCOVERYSERVER;
UA_String_deleteMembers(&config->applicationDescription.applicationUri);
config->applicationDescription.applicationUri =
UA_String_fromChars("urn:open62541.example.server_multicast");
config->mdnsServerName = UA_String_fromChars("Sample Multicast Server");
// See http://www.opcfoundation.org/UA/schemas/1.03/ServerCapabilities.csv
//config.serverCapabilitiesSize = 1;
//UA_String caps = UA_String_fromChars("LDS");
//config.serverCapabilities = ∩︀
UA_Server *server = UA_Server_new(config);
self_discovery_url = &config->networkLayers[0].discoveryUrl;
/* add a variable node to the address space */
UA_Int32 myInteger = 42;
UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer");
UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer");
UA_DataSource dateDataSource;
dateDataSource.read = readInteger;
dateDataSource.write = writeInteger;
UA_VariableAttributes attr = UA_VariableAttributes_default;
attr.description = UA_LOCALIZEDTEXT("en-US", "the answer");
attr.displayName = UA_LOCALIZEDTEXT("en-US", "the answer");
UA_Server_addDataSourceVariableNode(server, myIntegerNodeId,
UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
myIntegerName, UA_NODEID_NULL, attr, dateDataSource,
&myInteger, NULL);
// callback which is called when a new server is detected through mDNS
UA_Server_setServerOnNetworkCallback(server, serverOnNetworkCallback, NULL);
// Start the server and call iterate to wait for the multicast discovery of the LDS
UA_StatusCode retval = UA_Server_run_startup(server);
if(retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER,
"Could not start the server. StatusCode %s",
UA_StatusCode_name(retval));
UA_Server_delete(server);
UA_ServerConfig_delete(config);
UA_free(discovery_url);
return 1;
}
UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER,
"Server started. Waiting for announce of LDS Server.");
while (running && discovery_url == NULL)
UA_Server_run_iterate(server, true);
if(!running) {
UA_Server_delete(server);
UA_ServerConfig_delete(config);
UA_free(discovery_url);
return 1;
}
UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "LDS-ME server found on %s", discovery_url);
/* Check if the server supports sign and encrypt. OPC Foundation LDS requires an encrypted session for
* RegisterServer call, our server currently uses encrpytion optionally */
UA_EndpointDescription *endpointRegister = getRegisterEndpointFromServer(discovery_url);
UA_free(discovery_url);
if (endpointRegister == NULL || endpointRegister->securityMode == UA_MESSAGESECURITYMODE_INVALID) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER, "Could not find any suitable endpoints on discovery server");
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return 1;
}
UA_Client *clientRegister = getRegisterClient(endpointRegister, argc, argv);
if (!clientRegister) {
UA_LOG_FATAL(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
"Could not create the client for remote registering");
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return 1;
}
/* Connect the client */
char *endpointUrl = (char*)UA_malloc(endpointRegister->endpointUrl.length + 1);
memcpy(endpointUrl, endpointRegister->endpointUrl.data, endpointRegister->endpointUrl.length);
endpointUrl[endpointRegister->endpointUrl.length] = 0;
retval = UA_Server_addPeriodicServerRegisterCallback(server, clientRegister, endpointUrl,
10 * 60 * 1000, 500, NULL);
if(retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER,
"Could not create periodic job for server register. StatusCode %s",
UA_StatusCode_name(retval));
UA_free(endpointUrl);
UA_Client_disconnect(clientRegister);
UA_Client_delete(clientRegister);
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return 1;
}
while (running)
UA_Server_run_iterate(server, true);
UA_Server_run_shutdown(server);
// UNregister the server from the discovery server.
retval = UA_Server_unregister_discovery(server, clientRegister);
if (retval != UA_STATUSCODE_GOOD)
UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER,
"Could not unregister server from discovery server. "
"StatusCode %s", UA_StatusCode_name(retval));
UA_free(endpointUrl);
UA_Client_disconnect(clientRegister);
UA_Client_delete(clientRegister);
UA_Server_delete(server);
UA_ServerConfig_delete(config);
return (int)retval;
}
