static void setup_lds(void) {
// start LDS server
running_lds = UA_Boolean_new();
*running_lds = true;
config_lds = UA_ServerConfig_new_default();
config_lds->applicationDescription.applicationType = UA_APPLICATIONTYPE_DISCOVERYSERVER;
UA_String_deleteMembers(&config_lds->applicationDescription.applicationUri);
config_lds->applicationDescription.applicationUri =
UA_STRING_ALLOC("urn:open62541.test.local_discovery_server");
UA_LocalizedText_deleteMembers(&config_lds->applicationDescription.applicationName);
config_lds->applicationDescription.applicationName
= UA_LOCALIZEDTEXT_ALLOC("en", "LDS Server");
config_lds->mdnsServerName = UA_String_fromChars("LDS_test");
config_lds->serverCapabilitiesSize = 1;
UA_String *caps = UA_String_new();
*caps = UA_String_fromChars("LDS");
config_lds->serverCapabilities = caps;
config_lds->discoveryCleanupTimeout = registerTimeout;
server_lds = UA_Server_new(config_lds);
UA_Server_run_startup(server_lds);
pthread_create(&server_thread_lds, NULL, serverloop_lds, NULL);
// wait until LDS started
UA_sleep(1000);
sleep(1);
}
static void
GetEndpointsAndCheck(const char* discoveryUrl, const char* filterTransportProfileUri,
const UA_String expectedEndpointUrls[], size_t expectedEndpointUrlsSize) {
UA_Client *client = UA_Client_new();
UA_ClientConfig_setDefault(UA_Client_getConfig(client));
ck_assert_uint_eq(UA_Client_connect(client, discoveryUrl), UA_STATUSCODE_GOOD);
UA_EndpointDescription* endpointArray = NULL;
size_t endpointArraySize = 0;
UA_String discoveryUrlUA = UA_String_fromChars(discoveryUrl);
UA_StatusCode retval = GetEndpoints(client, &discoveryUrlUA, &endpointArraySize,
&endpointArray, filterTransportProfileUri);
ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
UA_String_deleteMembers(&discoveryUrlUA);
ck_assert_uint_eq(endpointArraySize , expectedEndpointUrlsSize);
for(size_t j = 0; j < endpointArraySize && j < expectedEndpointUrlsSize; j++) {
UA_EndpointDescription* endpoint = &endpointArray[j];
ck_assert(UA_String_equal(&endpoint->endpointUrl, &expectedEndpointUrls[j]));
}
UA_Array_delete(endpointArray, endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
UA_Client_delete(client);
}
static void UA_Client_deleteMembers(UA_Client* client){
UA_Client_disconnect(client);
UA_Connection_deleteMembers(&client->connection);
UA_SecureChannel_deleteMembersCleanup(&client->channel);
if(client->endpointUrl.data)
UA_String_deleteMembers(&client->endpointUrl);
UA_UserTokenPolicy_deleteMembers(&client->token);
}
static void
variables_basic(void) {
/* Int32 */
UA_Int32 i = 5;
UA_Int32 j;
UA_Int32_copy(&i, &j);
UA_Int32 *ip = UA_Int32_new();
UA_Int32_copy(&i, ip);
UA_Int32_delete(ip);
/* String */
UA_String s;
UA_String_init(&s); /* _init zeroes out the entire memory of the datatype */
char *test = "test";
s.length = strlen(test);
s.data = (UA_Byte*)test;
UA_String s2;
UA_String_copy(&s, &s2);
UA_String_deleteMembers(&s2); /* Copying heap-allocated the dynamic content */
UA_String s3 = UA_STRING("test2");
UA_String s4 = UA_STRING_ALLOC("test2"); /* Copies the content to the heap */
UA_Boolean eq = UA_String_equal(&s3, &s4);
UA_String_deleteMembers(&s4);
if(!eq)
return;
/* Structured Type */
UA_ReadRequest rr;
UA_init(&rr, &UA_TYPES[UA_TYPES_READREQUEST]); /* Generic method */
UA_ReadRequest_init(&rr); /* Shorthand for the previous line */
rr.requestHeader.timestamp = UA_DateTime_now(); /* Members of a structure */
rr.nodesToRead = (UA_ReadValueId *)UA_Array_new(5, &UA_TYPES[UA_TYPES_READVALUEID]);
rr.nodesToReadSize = 5; /* Array size needs to be made known */
UA_ReadRequest *rr2 = UA_ReadRequest_new();
UA_copy(&rr, rr2, &UA_TYPES[UA_TYPES_READREQUEST]);
UA_ReadRequest_deleteMembers(&rr);
UA_ReadRequest_delete(rr2);
}
static void setup_server(void) {
// start server
running_translate_browse = UA_Boolean_new();
*running_translate_browse = true;
server_translate_config = UA_ServerConfig_new_default();
UA_String_deleteMembers(&server_translate_config->applicationDescription.applicationUri);
server_translate_config->applicationDescription.applicationUri =
UA_String_fromChars("urn:open62541.test.server_translate_browse");
server_translate_browse = UA_Server_new(server_translate_config);
UA_Server_run_startup(server_translate_browse);
pthread_create(&server_thread_translate_browse, NULL, serverloop_register, NULL);
}
int main(void) {
signal(SIGINT, stopHandler); /* catches ctrl-c */
UA_ClientConfig config = UA_ClientConfig_default;
/* default timeout is 5 seconds. Set it to 1 second here for demo */
config.timeout = 1000;
UA_Client *client = UA_Client_new(config);
/* Read the value attribute of the node. UA_Client_readValueAttribute is a
* wrapper for the raw read service available as UA_Client_Service_read. */
UA_Variant value; /* Variants can hold scalar values and arrays of any type */
UA_Variant_init(&value);
/* Endless loop reading the server time */
while (running) {
/* if already connected, this will return GOOD and do nothing */
/* if the connection is closed/errored, the connection will be reset and then reconnected */
/* Alternatively you can also use UA_Client_getState to get the current state */
UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
if (retval != UA_STATUSCODE_GOOD) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_CLIENT, "Not connected. Retrying to connect in 1 second");
/* The connect may timeout after 1 second (see above) or it may fail immediately on network errors */
/* E.g. name resolution errors or unreachable network. Thus there should be a small sleep here */
UA_sleep_ms(1000);
continue;
}
/* NodeId of the variable holding the current time */
const UA_NodeId nodeId =
UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_CURRENTTIME);
retval = UA_Client_readValueAttribute(client, nodeId, &value);
if (retval == UA_STATUSCODE_BADCONNECTIONCLOSED) {
UA_LOG_ERROR(logger, UA_LOGCATEGORY_CLIENT, "Connection was closed. Reconnecting ...");
continue;
}
if (retval == UA_STATUSCODE_GOOD &&
UA_Variant_hasScalarType(&value, &UA_TYPES[UA_TYPES_DATETIME])) {
UA_DateTime raw_date = *(UA_DateTime *) value.data;
UA_String string_date = UA_DateTime_toString(raw_date);
UA_LOG_INFO(logger, UA_LOGCATEGORY_CLIENT, "string date is: %.*s", (int) string_date.length, string_date.data);
UA_String_deleteMembers(&string_date);
}
UA_sleep_ms(1000);
};
/* Clean up */
UA_Variant_deleteMembers(&value);
UA_Client_delete(client); /* Disconnects the client internally */
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
helloWorldMethod(const UA_NodeId objectId, const UA_Variant *input,
UA_Variant *output, void *handle) {
UA_String *inputStr = (UA_String*)input->data;
UA_String tmp = UA_STRING_ALLOC("Hello ");
if(inputStr->length > 0) {
tmp.data = realloc(tmp.data, tmp.length + inputStr->length);
memcpy(&tmp.data[tmp.length], inputStr->data, inputStr->length);
tmp.length += inputStr->length;
}
UA_Variant_setScalarCopy(output, &tmp, &UA_TYPES[UA_TYPES_STRING]);
UA_String_deleteMembers(&tmp);
UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "Hello World was called");
return UA_STATUSCODE_GOOD;
}
static void setup_register(void) {
// start register server
running_register = UA_Boolean_new();
*running_register = true;
config_register = UA_ServerConfig_new_minimal(16664, NULL);
UA_String_deleteMembers(&config_register->applicationDescription.applicationUri);
config_register->applicationDescription.applicationUri =
UA_String_fromChars("urn:open62541.test.server_register");
UA_LocalizedText_deleteMembers(&config_register->applicationDescription.applicationName);
config_register->applicationDescription.applicationName =
UA_LOCALIZEDTEXT_ALLOC("de", "Anmeldungsserver");
config_register->mdnsServerName = UA_String_fromChars("Register_test");
server_register = UA_Server_new(config_register);
UA_Server_run_startup(server_register);
pthread_create(&server_thread_register, NULL, serverloop_register, NULL);
}
/* Example 3 */
static UA_StatusCode
fooBarMethod(void *handle, const UA_NodeId objectId,
size_t inputSize, const UA_Variant *input,
size_t outputSize, UA_Variant *output) {
/* the same as helloWorld, but returns foobar */
UA_String *inputStr = (UA_String*)input->data;
UA_String tmp = UA_STRING_ALLOC("FooBar! ");
if(inputStr->length > 0) {
tmp.data = realloc(tmp.data, tmp.length + inputStr->length);
memcpy(&tmp.data[tmp.length], inputStr->data, inputStr->length);
tmp.length += inputStr->length;
}
UA_Variant_setScalarCopy(output, &tmp, &UA_TYPES[UA_TYPES_STRING]);
UA_String_deleteMembers(&tmp);
UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "FooBar was called");
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
helloWorld(UA_Server *server,
const UA_NodeId *sessionId, void *sessionContext,
const UA_NodeId *methodId, void *methodContext,
const UA_NodeId *objectId, void *objectContext,
size_t inputSize, const UA_Variant *input,
size_t outputSize, UA_Variant *output) {
/* input is a scalar string (checked by the server) */
UA_String *name = (UA_String *)input[0].data;
UA_String hello = UA_STRING("Hello ");
UA_String greet;
greet.length = hello.length + name->length;
greet.data = (UA_Byte *)UA_malloc(greet.length);
memcpy(greet.data, hello.data, hello.length);
memcpy(greet.data + hello.length, name->data, name->length);
UA_Variant_setScalarCopy(output, &greet, &UA_TYPES[UA_TYPES_STRING]);
UA_String_deleteMembers(&greet);
return UA_STATUSCODE_GOOD;
}
static void configure_lds_server(UA_Server *pServer)
{
UA_ServerConfig *config_lds = UA_Server_getConfig(pServer);
UA_ServerConfig_setDefault(config_lds);
config_lds->applicationDescription.applicationType = UA_APPLICATIONTYPE_DISCOVERYSERVER;
UA_String_deleteMembers(&config_lds->applicationDescription.applicationUri);
config_lds->applicationDescription.applicationUri =
UA_STRING_ALLOC("urn:open62541.test.local_discovery_server");
UA_LocalizedText_deleteMembers(&config_lds->applicationDescription.applicationName);
config_lds->applicationDescription.applicationName
= UA_LOCALIZEDTEXT_ALLOC("en", "LDS Server");
config_lds->discovery.mdnsEnable = true;
#ifdef UA_ENABLE_DISCOVERY_MULTICAST
config_lds->discovery.mdns.mdnsServerName = UA_String_fromChars("LDS_test");
config_lds->discovery.mdns.serverCapabilitiesSize = 1;
UA_String *caps = UA_String_new();
*caps = UA_String_fromChars("LDS");
config_lds->discovery.mdns.serverCapabilities = caps;
#endif
config_lds->discovery.cleanupTimeout = registerTimeout;
}
static void setup_register(void) {
// start register server
running_register = UA_Boolean_new();
*running_register = true;
server_register = UA_Server_new();
UA_ServerConfig *config_register = UA_Server_getConfig(server_register);
UA_ServerConfig_setMinimal(config_register, 16664, NULL);
UA_String_deleteMembers(&config_register->applicationDescription.applicationUri);
config_register->applicationDescription.applicationUri =
UA_String_fromChars("urn:open62541.test.server_register");
UA_LocalizedText_deleteMembers(&config_register->applicationDescription.applicationName);
config_register->applicationDescription.applicationName =
UA_LOCALIZEDTEXT_ALLOC("de", "Anmeldungsserver");
#ifdef UA_ENABLE_DISCOVERY_MULTICAST
config_register->discovery.mdns.mdnsServerName = UA_String_fromChars("Register_test");
#endif
UA_Server_run_startup(server_register);
THREAD_CREATE(server_thread_register, serverloop_register);
}
int main(void) {
signal(SIGINT, stopHandler);
signal(SIGTERM, stopHandler);
UA_ServerConfig config = UA_ServerConfig_standard;
config.applicationDescription.applicationType = UA_APPLICATIONTYPE_DISCOVERYSERVER;
config.applicationDescription.applicationUri = UA_String_fromChars("open62541.example.local_discovery_server");
// timeout in seconds when to automatically remove a registered server from the list,
// if it doesn't re-register within the given time frame. A value of 0 disables automatic removal.
// Default is 60 Minutes (60*60). Must be bigger than 10 seconds, because cleanup is only triggered approximately
// ervery 10 seconds.
// The server will still be removed depending on the state of the semaphore file.
// config.discoveryCleanupTimeout = 60*60;
UA_ServerNetworkLayer nl = UA_ServerNetworkLayerTCP(UA_ConnectionConfig_standard, 4840);
config.networkLayers = &nl;
config.networkLayersSize = 1;
UA_Server *server = UA_Server_new(config);
UA_StatusCode retval = UA_Server_run(server, &running);
UA_String_deleteMembers(&config.applicationDescription.applicationUri);
UA_Server_delete(server);
nl.deleteMembers(&nl);
return (int)retval;
}
/* run only when the server is stopped */
static void ServerNetworkLayerTCP_deleteMembers(UA_ServerNetworkLayer *nl) {
ServerNetworkLayerTCP *layer = nl->handle;
free(layer->mappings);
free(layer);
UA_String_deleteMembers(&nl->discoveryUrl);
}
UA_Int32 UA_SecureConversationMessageAbortBody_deleteMembers(UA_SecureConversationMessageAbortBody* p) {
UA_Int32 retval = UA_SUCCESS;
retval |= UA_String_deleteMembers(&(p->reason));
return retval;
}
UA_Int32 UA_OPCUATcpHelloMessage_deleteMembers(UA_OPCUATcpHelloMessage* p) {
UA_Int32 retval = UA_SUCCESS;
retval |= UA_String_deleteMembers(&(p->endpointUrl));
return retval;
}
void Service_CreateSession(UA_Server *server, UA_SecureChannel *channel,
const UA_CreateSessionRequest *request,
UA_CreateSessionResponse *response) {
if(channel->securityToken.channelId == 0) {
response->responseHeader.serviceResult =
UA_STATUSCODE_BADSECURECHANNELIDINVALID;
return;
}
/* Allocate the response */
response->serverEndpoints = (UA_EndpointDescription*)
UA_Array_new(server->config.endpoints.count,
&UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
if(!response->serverEndpoints) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
return;
}
response->serverEndpointsSize = server->config.endpoints.count;
/* Copy the server's endpointdescriptions into the response */
for(size_t i = 0; i < server->config.endpoints.count; ++i)
response->responseHeader.serviceResult |=
UA_EndpointDescription_copy(&server->config.endpoints.endpoints[0].endpointDescription,
&response->serverEndpoints[i]);
/* Mirror back the endpointUrl */
for(size_t i = 0; i < response->serverEndpointsSize; ++i) {
UA_String_deleteMembers(&response->serverEndpoints[i].endpointUrl);
UA_String_copy(&request->endpointUrl,
&response->serverEndpoints[i].endpointUrl);
}
UA_Session *newSession;
response->responseHeader.serviceResult =
UA_SessionManager_createSession(&server->sessionManager,
channel, request, &newSession);
if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
UA_LOG_DEBUG_CHANNEL(server->config.logger, channel,
"Processing CreateSessionRequest failed");
return;
}
/* Fill the session with more information */
newSession->maxResponseMessageSize = request->maxResponseMessageSize;
newSession->maxRequestMessageSize =
channel->connection->localConf.maxMessageSize;
response->responseHeader.serviceResult |=
UA_ApplicationDescription_copy(&request->clientDescription,
&newSession->clientDescription);
/* Prepare the response */
response->sessionId = newSession->sessionId;
response->revisedSessionTimeout = (UA_Double)newSession->timeout;
response->authenticationToken = newSession->authenticationToken;
response->responseHeader.serviceResult =
UA_String_copy(&request->sessionName, &newSession->sessionName);
if(server->config.endpoints.count > 0)
response->responseHeader.serviceResult |=
UA_ByteString_copy(&server->config.endpoints.endpoints[0].endpointDescription.serverCertificate,
&response->serverCertificate);
/* Failure -> remove the session */
if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
UA_SessionManager_removeSession(&server->sessionManager,
&newSession->authenticationToken);
return;
}
UA_LOG_DEBUG_CHANNEL(server->config.logger, channel,
"Session " UA_PRINTF_GUID_FORMAT " created",
UA_PRINTF_GUID_DATA(newSession->sessionId.identifier.guid));
}
UA_StatusCode
UA_Client_connect_async(UA_Client *client, const char *endpointUrl,
UA_ClientAsyncServiceCallback callback,
void *userdata) {
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Client internal async");
if(client->state >= UA_CLIENTSTATE_WAITING_FOR_ACK)
return UA_STATUSCODE_GOOD;
UA_ChannelSecurityToken_init(&client->channel.securityToken);
client->channel.state = UA_SECURECHANNELSTATE_FRESH;
client->endpointsHandshake = true;
client->channel.sendSequenceNumber = 0;
client->requestId = 0;
UA_String_deleteMembers(&client->endpointUrl);
client->endpointUrl = UA_STRING_ALLOC(endpointUrl);
UA_StatusCode retval = UA_STATUSCODE_GOOD;
client->connection =
client->config.initConnectionFunc(client->config.localConnectionConfig,
client->endpointUrl,
client->config.timeout, &client->config.logger);
if(client->connection.state != UA_CONNECTION_OPENING) {
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Could not init async connection");
retval = UA_STATUSCODE_BADCONNECTIONCLOSED;
goto cleanup;
}
/* Set the channel SecurityMode if not done so far */
if(client->channel.securityMode == UA_MESSAGESECURITYMODE_INVALID)
client->channel.securityMode = UA_MESSAGESECURITYMODE_NONE;
/* Set the channel SecurityPolicy if not done so far */
if(!client->channel.securityPolicy) {
UA_SecurityPolicy *sp =
getSecurityPolicy(client, UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None"));
if(!sp) {
retval = UA_STATUSCODE_BADINTERNALERROR;
goto cleanup;
}
UA_ByteString remoteCertificate = UA_BYTESTRING_NULL;
retval = UA_SecureChannel_setSecurityPolicy(&client->channel, sp,
&remoteCertificate);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
}
client->asyncConnectCall.callback = callback;
client->asyncConnectCall.userdata = userdata;
if(!client->connection.connectCallbackID) {
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Adding async connection callback");
retval = UA_Client_addRepeatedCallback(
client, client->config.pollConnectionFunc, &client->connection, 100.0,
&client->connection.connectCallbackID);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
}
retval = UA_SecureChannel_generateLocalNonce(&client->channel);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
/* Delete async service. TODO: Move this from connect to the disconnect/cleanup phase */
UA_Client_AsyncService_removeAll(client, UA_STATUSCODE_BADSHUTDOWN);
#ifdef UA_ENABLE_SUBSCRIPTIONS
client->currentlyOutStandingPublishRequests = 0;
#endif
UA_NodeId_deleteMembers(&client->authenticationToken);
/* Generate new local and remote key */
retval = UA_SecureChannel_generateNewKeys(&client->channel);
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
return retval;
cleanup:
UA_LOG_TRACE(&client->config.logger, UA_LOGCATEGORY_CLIENT,
"Failure during async connect");
UA_Client_disconnect(client);
return retval;
}
UA_StatusCode
UA_NodeId_toString(const UA_NodeId *nodeId, UA_String *nodeIdStr) {
if (nodeIdStr->length != 0) {
UA_free(nodeIdStr->data);
nodeIdStr->data = NULL;
nodeIdStr->length = 0;
}
if (nodeId == NULL)
return UA_STATUSCODE_GOOD;
char *nsStr = NULL;
long snprintfLen = 0;
size_t nsLen = 0;
if (nodeId->namespaceIndex != 0) {
nsStr = (char*)UA_malloc(9+1); // strlen("ns=XXXXX;") = 9 + Nullbyte
snprintfLen = UA_snprintf(nsStr, 10, "ns=%d;", nodeId->namespaceIndex);
if (snprintfLen < 0 || snprintfLen >= 10) {
UA_free(nsStr);
return UA_STATUSCODE_BADINTERNALERROR;
}
nsLen = (size_t)(snprintfLen);
}
UA_ByteString byteStr = UA_BYTESTRING_NULL;
switch (nodeId->identifierType) {
case UA_NODEIDTYPE_NUMERIC:
/* ns (2 byte, 65535) = 5 chars, numeric (4 byte, 4294967295) = 10 chars, delim = 1 , nullbyte = 1-> 17 chars */
nodeIdStr->length = nsLen + 2 + 10 + 1;
nodeIdStr->data = (UA_Byte*)UA_malloc(nodeIdStr->length);
if (nodeIdStr->data == NULL) {
nodeIdStr->length = 0;
UA_free(nsStr);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
snprintfLen =UA_snprintf((char*)nodeIdStr->data, nodeIdStr->length, "%si=%lu",
nsLen > 0 ? nsStr : "",
(unsigned long )nodeId->identifier.numeric);
break;
case UA_NODEIDTYPE_STRING:
/* ns (16bit) = 5 chars, strlen + nullbyte */
nodeIdStr->length = nsLen + 2 + nodeId->identifier.string.length + 1;
nodeIdStr->data = (UA_Byte*)UA_malloc(nodeIdStr->length);
if (nodeIdStr->data == NULL) {
nodeIdStr->length = 0;
UA_free(nsStr);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
snprintfLen =UA_snprintf((char*)nodeIdStr->data, nodeIdStr->length, "%ss=%.*s",
nsLen > 0 ? nsStr : "",
(int)nodeId->identifier.string.length, nodeId->identifier.string.data);
break;
case UA_NODEIDTYPE_GUID:
/* ns (16bit) = 5 chars + strlen(A123456C-0ABC-1A2B-815F-687212AAEE1B)=36 + nullbyte */
nodeIdStr->length = nsLen + 2 + 36 + 1;
nodeIdStr->data = (UA_Byte*)UA_malloc(nodeIdStr->length);
if (nodeIdStr->data == NULL) {
nodeIdStr->length = 0;
UA_free(nsStr);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
snprintfLen = UA_snprintf((char*)nodeIdStr->data, nodeIdStr->length, "%sg=" UA_PRINTF_GUID_FORMAT,
nsLen > 0 ? nsStr : "",
UA_PRINTF_GUID_DATA(nodeId->identifier.guid));
break;
case UA_NODEIDTYPE_BYTESTRING:
UA_ByteString_toBase64String(&nodeId->identifier.byteString, &byteStr);
/* ns (16bit) = 5 chars + LEN + nullbyte */
nodeIdStr->length = nsLen + 2 + byteStr.length + 1;
nodeIdStr->data = (UA_Byte*)UA_malloc(nodeIdStr->length);
if (nodeIdStr->data == NULL) {
nodeIdStr->length = 0;
UA_String_deleteMembers(&byteStr);
UA_free(nsStr);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
snprintfLen = UA_snprintf((char*)nodeIdStr->data, nodeIdStr->length, "%sb=%.*s",
nsLen > 0 ? nsStr : "",
(int)byteStr.length, byteStr.data);
UA_String_deleteMembers(&byteStr);
break;
}
UA_free(nsStr);
if (snprintfLen < 0 || snprintfLen >= (long) nodeIdStr->length) {
UA_free(nodeIdStr->data);
nodeIdStr->data = NULL;
nodeIdStr->length = 0;
return UA_STATUSCODE_BADINTERNALERROR;
}
nodeIdStr->length = (size_t)snprintfLen;
return UA_STATUSCODE_GOOD;
}
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;
}
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;
}
static int ua_client_connectUA(char* ipaddress,int port, UA_String *endpointUrl, ConnectionInfo *connectionInfo,
UA_Boolean stateless, UA_Boolean udp) {
UA_ByteString reply;
UA_ByteString_newMembers(&reply, 65536);
int sock;
struct sockaddr_in server;
//Create socket
if(udp==UA_TRUE){
sock = socket(AF_INET, SOCK_DGRAM, 0);
}else{
sock = socket(AF_INET, SOCK_STREAM, 0);
}
if(sock == -1) {
printf("Could not create socket");
return 1;
}
server.sin_addr.s_addr = inet_addr(ipaddress);
server.sin_family = AF_INET;
server.sin_port = htons(port);
if(connect(sock, (struct sockaddr *) &server, sizeof(server)) < 0) {
perror("connect failed. Error");
return 1;
}
connectionInfo->socket = sock;
if(stateless){
UA_NodeId_init(&connectionInfo->authenticationToken);
connectionInfo->channelId=0;
UA_SequenceHeader_init(&connectionInfo->sequenceHdr);
connectionInfo->tokenId=0;
return 0;
}else{
sendHello(sock, endpointUrl);
recv(sock, reply.data, reply.length, 0);
sendOpenSecureChannel(sock);
recv(sock, reply.data, reply.length, 0);
size_t recvOffset = 0;
UA_TcpMessageHeader msghdr;
UA_TcpMessageHeader_decodeBinary(&reply, &recvOffset, &msghdr);
UA_AsymmetricAlgorithmSecurityHeader asymHeader;
UA_NodeId rspType;
UA_OpenSecureChannelResponse openSecChannelRsp;
UA_UInt32_decodeBinary(&reply, &recvOffset, &connectionInfo->channelId);
UA_AsymmetricAlgorithmSecurityHeader_decodeBinary(&reply,&recvOffset,&asymHeader);
UA_AsymmetricAlgorithmSecurityHeader_deleteMembers(&asymHeader);
UA_SequenceHeader_decodeBinary(&reply,&recvOffset,&connectionInfo->sequenceHdr);
UA_NodeId_decodeBinary(&reply,&recvOffset,&rspType);
UA_OpenSecureChannelResponse_decodeBinary(&reply,&recvOffset,&openSecChannelRsp);
connectionInfo->tokenId = openSecChannelRsp.securityToken.tokenId;
sendCreateSession(sock, connectionInfo->channelId, openSecChannelRsp.securityToken.tokenId, 52, 2, endpointUrl);
recv(sock, reply.data, reply.length, 0);
UA_NodeId messageType;
recvOffset = 24;
UA_NodeId_decodeBinary(&reply,&recvOffset,&messageType);
UA_CreateSessionResponse createSessionResponse;
UA_CreateSessionResponse_decodeBinary(&reply,&recvOffset,&createSessionResponse);
connectionInfo->authenticationToken = createSessionResponse.authenticationToken;
sendActivateSession(sock, connectionInfo->channelId, connectionInfo->tokenId, 53, 3,
connectionInfo->authenticationToken);
recv(sock, reply.data, reply.length, 0);
UA_OpenSecureChannelResponse_deleteMembers(&openSecChannelRsp);
UA_String_deleteMembers(&reply);
UA_CreateSessionResponse_deleteMembers(&createSessionResponse);
return 0;
}
}
int main(int argc, char *argv[]) {
int defaultParams = argc < 8;
//start parameters
if(defaultParams) {
printf("1st parameter: number of nodes to read \n");
printf("2nd parameter: number of read-tries \n");
printf("3rd parameter: name of the file to save measurement data \n");
printf("4th parameter: 1 = read same node, 0 = read different nodes \n");
printf("5th parameter: ip adress \n");
printf("6th parameter: port \n");
printf("7th parameter: 0=stateful, 1=stateless\n");
printf("8th parameter: 0=tcp, 1=udp (only with stateless calls)\n");
printf("\nUsing default parameters. \n");
}
UA_UInt32 nodesToReadSize;
UA_UInt32 tries;
UA_Boolean alwaysSameNode;
UA_ByteString reply;
UA_ByteString_newMembers(&reply, 65536);
UA_Boolean stateless;
UA_Boolean udp;
if(defaultParams)
nodesToReadSize = 1;
else
nodesToReadSize = atoi(argv[1]);
if(defaultParams)
tries= 2;
else
tries = (UA_UInt32) atoi(argv[2]);
if(defaultParams){
alwaysSameNode = UA_TRUE;
}else{
if(atoi(argv[4]) != 0)
alwaysSameNode = UA_TRUE;
else
alwaysSameNode = UA_FALSE;
}
if(defaultParams){
stateless = UA_FALSE;
}else{
if(atoi(argv[7]) != 0)
stateless = UA_TRUE;
else
stateless = UA_FALSE;
}
if(defaultParams){
udp = UA_FALSE;
}else{
if(atoi(argv[8]) != 0)
udp = UA_TRUE;
else
udp = UA_FALSE;
}
//Connect to remote server
UA_String endpoint;
UA_String_copycstring("none",&endpoint);
ConnectionInfo connectionInfo;
/* REQUEST START*/
UA_NodeId *nodesToRead;
nodesToRead = UA_Array_new(&UA_TYPES[UA_TYPES_NODEID], 1);
for(UA_UInt32 i = 0; i<1; i++) {
if(alwaysSameNode)
nodesToRead[i].identifier.numeric = 2253; //ask always the same node
else
nodesToRead[i].identifier.numeric = 19000 +i;
nodesToRead[i].identifierType = UA_NODEIDTYPE_NUMERIC;
nodesToRead[i].namespaceIndex = 0;
}
UA_DateTime tic, toc;
UA_Double *timeDiffs;
UA_Int32 received;
timeDiffs = UA_Array_new(&UA_TYPES[UA_TYPES_DOUBLE], tries);
UA_Double sum = 0;
tic = UA_DateTime_now();
/**
UA_Double duration;
UA_UInt32 count = 0;
UA_Double start = 0, stop = 0;
UA_UInt32 timeToRun = 30;
UA_UInt32 timeToStart = 8;
UA_UInt32 timeToStop = 22;
do{
toc = UA_DateTime_now();
duration = ((UA_Double)toc-(UA_Double)tic)/(UA_Double)1e4;
if(duration>=timeToStart*1000 && duration <= timeToStop*1000){
if(start==0.0){
start=UA_DateTime_now();
}
}
//if(stateless || (!stateless && i==0)){
if(defaultParams){
if(ua_client_connectUA("127.0.0.1",atoi("16664"),&endpoint,&connectionInfo,stateless,udp) != 0){
return 0;
}
}else{
if(ua_client_connectUA(argv[5],atoi(argv[6]),&endpoint,&connectionInfo,stateless,udp) != 0){
return 0;
}
}
//}
sendReadRequest(&connectionInfo,1,nodesToRead);
received = recv(connectionInfo.socket, reply.data, 2000, 0);
if(duration>=timeToStart*1000 && duration <= timeToStop*1000){
count++;
}
if(!stateless){
closeSession(&connectionInfo);
recv(connectionInfo.socket, reply.data, 2000, 0);
closeSecureChannel(&connectionInfo);
}
//if(stateless || (!stateless && i==tries-1)){
close(connectionInfo.socket);
//}
if(duration >= timeToStop*1000 && stop==0){
stop=UA_DateTime_now();
printf("%i messages in %f secs, rate %f m/s\n", count, (stop-start)/(UA_Double)1e7, (UA_Double)count/((stop-start)/(UA_Double)1e7));
}
}while(duration<timeToRun*1000);
exit(0);
**/
for(UA_UInt32 i = 0; i < tries; i++) {
//if(stateless || (!stateless && i==0)){
tic = UA_DateTime_now();
if(defaultParams){
if(ua_client_connectUA("127.0.0.1",atoi("16664"),&endpoint,&connectionInfo,stateless,udp) != 0){
return 0;
}
}else{
if(ua_client_connectUA(argv[5],atoi(argv[6]),&endpoint,&connectionInfo,stateless,udp) != 0){
return 0;
}
}
//}
for(UA_UInt32 i = 0; i < nodesToReadSize; i++) {
sendReadRequest(&connectionInfo,1,nodesToRead);
received = recv(connectionInfo.socket, reply.data, 2000, 0);
}
if(!stateless){
closeSession(&connectionInfo);
recv(connectionInfo.socket, reply.data, 2000, 0);
closeSecureChannel(&connectionInfo);
}
//if(stateless || (!stateless && i==tries-1)){
close(connectionInfo.socket);
//}
toc = UA_DateTime_now() - tic;
timeDiffs[i] = (UA_Double)toc/(UA_Double)1e4;
sum = sum + timeDiffs[i];
}
/* REQUEST END*/
UA_Double mean = sum / tries;
printf("mean time for handling request: %16.10f ms \n",mean);
if(received>0)
printf("received: %i\n",received); // dummy
//save to file
char data[100];
const char flag = 'a';
FILE* fHandle = UA_NULL;
if (defaultParams) {
fHandle = fopen("client.log", &flag);
}else{
fHandle = fopen(argv[3], &flag);
}
//header
UA_Int32 bytesToWrite = sprintf(data, "measurement %s in ms, nodesToRead %d \n", argv[3], 1);
fwrite(data,1,bytesToWrite,fHandle);
for(UA_UInt32 i=0;i<tries;i++) {
bytesToWrite = sprintf(data,"%16.10f \n",timeDiffs[i]);
fwrite(data,1,bytesToWrite,fHandle);
}
fclose(fHandle);
UA_String_deleteMembers(&reply);
UA_Array_delete(nodesToRead,&UA_TYPES[UA_TYPES_NODEID], 1);
UA_free(timeDiffs);
return 0;
}
void Service_CreateSession(UA_Server *server, UA_SecureChannel *channel,
const UA_CreateSessionRequest *request,
UA_CreateSessionResponse *response) {
if(channel == NULL) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
return;
}
if(channel->connection == NULL) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADINTERNALERROR;
return;
}
UA_LOG_DEBUG_CHANNEL(server->config.logger, channel, "Trying to create session");
if(channel->securityMode == UA_MESSAGESECURITYMODE_SIGN ||
channel->securityMode == UA_MESSAGESECURITYMODE_SIGNANDENCRYPT) {
if(!UA_ByteString_equal(&request->clientCertificate,
&channel->remoteCertificate)) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADCERTIFICATEINVALID;
return;
}
}
if(channel->securityToken.channelId == 0) {
response->responseHeader.serviceResult =
UA_STATUSCODE_BADSECURECHANNELIDINVALID;
return;
}
if(!UA_ByteString_equal(&channel->securityPolicy->policyUri,
&UA_SECURITY_POLICY_NONE_URI) &&
request->clientNonce.length < 32) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADNONCEINVALID;
return;
}
////////////////////// TODO: Compare application URI with certificate uri (decode certificate)
/* Allocate the response */
response->serverEndpoints = (UA_EndpointDescription*)
UA_Array_new(server->config.endpointsSize,
&UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
if(!response->serverEndpoints) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
return;
}
response->serverEndpointsSize = server->config.endpointsSize;
/* Copy the server's endpointdescriptions into the response */
for(size_t i = 0; i < server->config.endpointsSize; ++i)
response->responseHeader.serviceResult |=
UA_EndpointDescription_copy(&server->config.endpoints[0].endpointDescription,
&response->serverEndpoints[i]);
if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD)
return;
/* Mirror back the endpointUrl */
for(size_t i = 0; i < response->serverEndpointsSize; ++i) {
UA_String_deleteMembers(&response->serverEndpoints[i].endpointUrl);
UA_String_copy(&request->endpointUrl,
&response->serverEndpoints[i].endpointUrl);
}
UA_Session *newSession;
response->responseHeader.serviceResult =
UA_SessionManager_createSession(&server->sessionManager,
channel, request, &newSession);
if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
UA_LOG_DEBUG_CHANNEL(server->config.logger, channel,
"Processing CreateSessionRequest failed");
return;
}
/* Fill the session with more information */
newSession->maxResponseMessageSize = request->maxResponseMessageSize;
newSession->maxRequestMessageSize =
channel->connection->localConf.maxMessageSize;
response->responseHeader.serviceResult |=
UA_ApplicationDescription_copy(&request->clientDescription,
&newSession->clientDescription);
/* Prepare the response */
response->sessionId = newSession->sessionId;
response->revisedSessionTimeout = (UA_Double)newSession->timeout;
response->authenticationToken = newSession->authenticationToken;
response->responseHeader.serviceResult =
UA_String_copy(&request->sessionName, &newSession->sessionName);
if(server->config.endpointsSize > 0)
response->responseHeader.serviceResult |=
UA_ByteString_copy(&channel->securityPolicy->localCertificate,
&response->serverCertificate);
/* Create a signed nonce */
response->responseHeader.serviceResult =
nonceAndSignCreateSessionResponse(server, channel, newSession, request, response);
/* Failure -> remove the session */
if(response->responseHeader.serviceResult != UA_STATUSCODE_GOOD) {
UA_SessionManager_removeSession(&server->sessionManager, &newSession->authenticationToken);
return;
}
UA_LOG_DEBUG_CHANNEL(server->config.logger, channel,
"Session " UA_PRINTF_GUID_FORMAT " created",
UA_PRINTF_GUID_DATA(newSession->sessionId.identifier.guid));
}
static int sendOpenSecureChannel(UA_Int32 sock) {
UA_TcpMessageHeader msghdr;
msghdr.messageTypeAndFinal = UA_MESSAGETYPEANDFINAL_OPNF;
UA_UInt32 secureChannelId = 0;
UA_String securityPolicy;
UA_String_copycstring("http://opcfoundation.org/UA/SecurityPolicy#None", &securityPolicy);
UA_String senderCert;
senderCert.data = UA_NULL;
senderCert.length = -1;
UA_String receiverCertThumb;
receiverCertThumb.data = UA_NULL;
receiverCertThumb.length = -1;
UA_UInt32 sequenceNumber = 51;
UA_UInt32 requestId = 1;
UA_NodeId type;
type.identifier.numeric = 446; // id of opensecurechannelrequest
type.identifierType = UA_NODEIDTYPE_NUMERIC;
type.namespaceIndex = 0;
UA_OpenSecureChannelRequest opnSecRq;
UA_OpenSecureChannelRequest_init(&opnSecRq);
opnSecRq.requestHeader.timestamp = UA_DateTime_now();
UA_ByteString_newMembers(&opnSecRq.clientNonce, 1);
opnSecRq.clientNonce.data[0] = 0;
opnSecRq.clientProtocolVersion = 0;
opnSecRq.requestedLifetime = 30000;
opnSecRq.securityMode = UA_MESSAGESECURITYMODE_NONE;
opnSecRq.requestType = UA_SECURITYTOKENREQUESTTYPE_ISSUE;
opnSecRq.requestHeader.authenticationToken.identifier.numeric = 10;
opnSecRq.requestHeader.authenticationToken.identifierType = UA_NODEIDTYPE_NUMERIC;
opnSecRq.requestHeader.authenticationToken.namespaceIndex = 10;
msghdr.messageSize = 135; // todo: compute the message size from the actual content
UA_ByteString message;
UA_ByteString_newMembers(&message, 1000);
size_t offset = 0;
UA_TcpMessageHeader_encodeBinary(&msghdr, &message, &offset);
UA_UInt32_encodeBinary(&secureChannelId, &message, &offset);
UA_String_encodeBinary(&securityPolicy, &message, &offset);
UA_String_encodeBinary(&senderCert, &message, &offset);
UA_String_encodeBinary(&receiverCertThumb, &message, &offset);
UA_UInt32_encodeBinary(&sequenceNumber, &message, &offset);
UA_UInt32_encodeBinary(&requestId, &message, &offset);
UA_NodeId_encodeBinary(&type, &message, &offset);
UA_OpenSecureChannelRequest_encodeBinary(&opnSecRq, &message, &offset);
UA_OpenSecureChannelRequest_deleteMembers(&opnSecRq);
UA_String_deleteMembers(&securityPolicy);
UA_Int32 sendret = send(sock, message.data, offset, 0);
UA_ByteString_deleteMembers(&message);
if (sendret < 0) {
printf("send opensecurechannel failed");
return 1;
}
return 0;
}
