wn/myopcualearning
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

initial

Browse Source
This commit is contained in:
Wolfgang Hottgenroth
2016-05-25 20:30:18 +02:00
commit afd1c22f17
6 changed files with 29390 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
server_folders.c Normal file
View File

@ -0,0 +1,91 @@
#include <stdio.h>
#include <signal.h>
#include <time.h>
#include "open62541.h"
// bla
UA_Logger logger = Logger_Stdout;
UA_Boolean running = true;
static void stopHandler(int signal) {
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_UInt32 t = time(0);
UA_Variant_setScalarCopy(&dataValue->value, &t, &UA_TYPES[UA_TYPES_INT32]);
// we know the nodeid is a string
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node read %.*s",
nodeid.identifier.string.length, nodeid.identifier.string.data);
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "read value %i", t);
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
writeInteger(void *handle, const UA_NodeId nodeid,
const UA_Variant *data, const UA_NumericRange *range) {
if(UA_Variant_isScalar(data) && data->type == &UA_TYPES[UA_TYPES_INT32] && data->data){
*(UA_UInt32*)handle = *(UA_UInt32*)data->data;
}
// we know the nodeid is a string
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node written %.*s",
nodeid.identifier.string.length, nodeid.identifier.string.data);
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "written value %i", *(UA_UInt32*)handle);
return UA_STATUSCODE_GOOD;
}
int main(void) {
signal(SIGINT, stopHandler);
signal(SIGTERM, stopHandler);
UA_ServerConfig config = UA_ServerConfig_standard;
UA_ServerNetworkLayer nl = UA_ServerNetworkLayerTCP(UA_ConnectionConfig_standard, 16664);
config.logger = Logger_Stdout;
config.networkLayers = &nl;
config.networkLayersSize = 1;
UA_Server *server = UA_Server_new(config);
UA_NodeId myObjectsId;
UA_ObjectAttributes attr2;
UA_ObjectAttributes_init(&attr2);
attr2.description = UA_LOCALIZEDTEXT("en_US", "MyObjects");
attr2.displayName = UA_LOCALIZEDTEXT("en_US", "A folder containing example objects and variables created by the client.");
UA_Server_addObjectNode(
server, UA_NODEID_NUMERIC(1,1000),
UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
UA_QUALIFIEDNAME(1, "MyObjects"),
UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE),
attr2, 0, &myObjectsId);
/* add a variable node to the address space */
UA_Int32 myInteger = 42;
UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "seconds.since.epoch");
UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "seconds since epoch");
UA_DataSource dateDataSource = (UA_DataSource) {
.handle = &myInteger, .read = readInteger, .write = writeInteger};
UA_VariableAttributes attr;
UA_VariableAttributes_init(&attr);
attr.description = UA_LOCALIZEDTEXT("en_US","seconds since epoch");
attr.displayName = UA_LOCALIZEDTEXT("en_US","seconds since epoch");
UA_Server_addDataSourceVariableNode(server, myIntegerNodeId,
myObjectsId,
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
myIntegerName, UA_NODEID_NULL, attr, dateDataSource, NULL);
UA_StatusCode retval = UA_Server_run(server, &running);
UA_Server_delete(server);
nl.deleteMembers(&nl);
return retval;
}