libiec61850/examples/server_example_write_handler/server_example_write_handler.c
2017-10-19 09:02:29 +02:00

78 lines
2 KiB
C

/*
* server_example_write_handler.c
*/
#include "iec61850_server.h"
#include "hal_thread.h"
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include "../server_example_write_handler/static_model.h"
/* import IEC 61850 device model created from SCL-File */
extern IedModel iedModel;
static int running = 0;
static IedServer iedServer = NULL;
void sigint_handler(int signalId)
{
running = 0;
}
static MmsDataAccessError
writeAccessHandler (DataAttribute* dataAttribute, MmsValue* value, ClientConnection connection, void* parameter)
{
if (dataAttribute == IEDMODEL_Inverter_ZINV1_OutVarSet_setMag_f) {
float newValue = MmsValue_toFloat(value);
printf("New value for OutVarSet_setMag_f = %f\n", newValue);
/* Check if value is inside of valid range */
if ((newValue >= 0.f) && (newValue <= 1000.1f))
return DATA_ACCESS_ERROR_SUCCESS;
else
return DATA_ACCESS_ERROR_OBJECT_VALUE_INVALID;
}
return DATA_ACCESS_ERROR_OBJECT_ACCESS_DENIED;
}
int main(int argc, char** argv) {
iedServer = IedServer_create(&iedModel);
/* MMS server will be instructed to start listening to client connections. */
IedServer_start(iedServer, 102);
/* Don't allow access to SP variables by default */
IedServer_setWriteAccessPolicy(iedServer, IEC61850_FC_SP, ACCESS_POLICY_DENY);
/* Instruct the server that we will be informed if a clients writes to a
* certain variables we are interested in.
*/
IedServer_handleWriteAccess(iedServer, IEDMODEL_Inverter_ZINV1_OutVarSet_setMag_f, writeAccessHandler, NULL);
if (!IedServer_isRunning(iedServer)) {
printf("Starting server failed! Exit.\n");
IedServer_destroy(iedServer);
exit(-1);
}
running = 1;
signal(SIGINT, sigint_handler);
while (running) {
Thread_sleep(1);
}
/* stop MMS server - close TCP server socket and all client sockets */
IedServer_stop(iedServer);
/* Cleanup - free all resources */
IedServer_destroy(iedServer);
} /* main() */