da498bb161
distri and nodeset feature * add UaModeler project including XML export * add nodeset using test server
83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
#include <stdio.h>
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#include <signal.h>
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#include <time.h>
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#include <ua_types.h>
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#include <ua_server.h>
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#include <logger_stdout.h>
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#include <networklayer_tcp.h>
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#include <ua_config_standard.h>
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UA_Logger logger = Logger_Stdout;
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UA_Boolean running = true;
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static void stopHandler(int signal) {
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running = false;
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}
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static UA_StatusCode
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readInteger(void *handle, const UA_NodeId nodeid, UA_Boolean sourceTimeStamp,
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const UA_NumericRange *range, UA_DataValue *dataValue) {
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dataValue->hasValue = true;
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UA_UInt32 t = time(0);
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UA_Variant_setScalarCopy(&dataValue->value, &t, &UA_TYPES[UA_TYPES_INT32]);
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// we know the nodeid is a string
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UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node read %.*s",
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nodeid.identifier.string.length, nodeid.identifier.string.data);
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UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "read value %i", t);
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return UA_STATUSCODE_GOOD;
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}
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static UA_StatusCode
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writeInteger(void *handle, const UA_NodeId nodeid,
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const UA_Variant *data, const UA_NumericRange *range) {
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if(UA_Variant_isScalar(data) && data->type == &UA_TYPES[UA_TYPES_INT32] && data->data){
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*(UA_UInt32*)handle = *(UA_UInt32*)data->data;
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}
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// we know the nodeid is a string
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UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node written %.*s",
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nodeid.identifier.string.length, nodeid.identifier.string.data);
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UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "written value %i", *(UA_UInt32*)handle);
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return UA_STATUSCODE_GOOD;
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}
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int main(void) {
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signal(SIGINT, stopHandler);
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signal(SIGTERM, stopHandler);
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UA_ServerConfig config = UA_ServerConfig_standard;
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UA_ServerNetworkLayer nl = UA_ServerNetworkLayerTCP(UA_ConnectionConfig_standard, 16664);
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config.logger = Logger_Stdout;
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config.networkLayers = &nl;
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config.networkLayersSize = 1;
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UA_Server *server = UA_Server_new(config);
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/* add a variable node to the address space */
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UA_Int32 myInteger = 42;
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UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer");
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UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer");
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UA_DataSource dateDataSource = (UA_DataSource) {
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.handle = &myInteger, .read = readInteger, .write = writeInteger};
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UA_VariableAttributes attr;
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UA_VariableAttributes_init(&attr);
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attr.description = UA_LOCALIZEDTEXT("en_US","the answer");
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attr.displayName = UA_LOCALIZEDTEXT("en_US","the answer");
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UA_Server_addDataSourceVariableNode(server, myIntegerNodeId,
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UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
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UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
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myIntegerName, UA_NODEID_NULL, attr, dateDataSource, NULL);
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UA_StatusCode retval = UA_Server_run(server, &running);
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UA_Server_delete(server);
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nl.deleteMembers(&nl);
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return retval;
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}
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