myopcualearning/myTestModelServer.c

105 lines
2.9 KiB
C

/*
* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
* See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
*/
#include <signal.h>
#include <stdlib.h>
#include <time.h>
#include <sys/select.h>
#include <ua_types.h>
#include <ua_server.h>
#include <logger_stdout.h>
#include <networklayer_tcp.h>
#include <ua_config_standard.h>
#include "TestModel.h"
UA_Logger logger = Logger_Stdout;
UA_Boolean running = true;
/*
* shared data
*/
uint32_t upTime = 0;
double measuredTemperature = 0;
static void stopHandler(int sign) {
UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "received ctrl-c");
running = false;
}
static UA_StatusCode
readInteger(void *handle, const UA_NodeId nodeid, UA_Boolean sourceTimeStamp,
const UA_NumericRange *range, UA_DataValue *dataValue) {
dataValue->hasValue = true;
UA_Variant_setScalarCopy(&dataValue->value, handle, &UA_TYPES[UA_TYPES_INT32]);
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
readDouble(void *handle, const UA_NodeId nodeid, UA_Boolean sourceTimeStamp,
const UA_NumericRange *range, UA_DataValue *dataValue) {
dataValue->hasValue = true;
UA_Variant_setScalarCopy(&dataValue->value, handle, &UA_TYPES[UA_TYPES_DOUBLE]);
return UA_STATUSCODE_GOOD;
}
int main(int argc, char** argv) {
signal(SIGINT, stopHandler); /* catches ctrl-c */
/* initialize the server */
UA_ServerConfig config = UA_ServerConfig_standard;
UA_ServerNetworkLayer nl = UA_ServerNetworkLayerTCP(UA_ConnectionConfig_standard, 16664);
config.networkLayers = &nl;
config.networkLayersSize = 1;
UA_Server *server = UA_Server_new(config);
/* create nodes from nodeset */
TestModel(server);
UA_DataSource uptimeDataSource = (UA_DataSource) {
.handle = &upTime, .read = readInteger, .write = 0};
UA_Server_setVariableNode_dataSource(server, UA_NODEID_NUMERIC(2, 6006),
uptimeDataSource);
UA_DataSource measuredTemperatureDataSource = (UA_DataSource) {
.handle = &measuredTemperature, .read = readDouble, .write = 0};
UA_Server_setVariableNode_dataSource(server, UA_NODEID_NUMERIC(2, 6004),
measuredTemperatureDataSource);
/*
UA_StatusCode retval = UA_Server_run(server, &running); //UA_blocks until running=false
*/
UA_StatusCode retval = UA_Server_run_startup(server);
if (retval == UA_STATUSCODE_GOOD) {
while (running == true) {
upTime = time(0);
measuredTemperature += 0.25;
uint16_t canWait = 0;
canWait = UA_Server_run_iterate(server, 0);
// UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "canWait: %i", canWait);
struct timeval timeout = { .tv_sec = 0, .tv_usec = canWait * 1000 };
select(0, 0, 0, 0, &timeout);
}
}
/* ctrl-c received -> clean up */
UA_Server_delete(server);
nl.deleteMembers(&nl);
// return (int)retval;
}