static void
sendCloseSessionAsync(UA_Client *client, UA_UInt32 *requestId) {
UA_CloseSessionRequest request;
UA_CloseSessionRequest_init(&request);
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
request.deleteSubscriptions = true;
UA_Client_sendAsyncRequest(
client, &request, &UA_TYPES[UA_TYPES_CLOSESESSIONREQUEST],
(UA_ClientAsyncServiceCallback) sendCloseSecureChannelAsync,
&UA_TYPES[UA_TYPES_CLOSESESSIONRESPONSE], NULL, requestId);
}
static UA_StatusCode CloseSession(UA_Client *client) {
UA_CloseSessionRequest request;
UA_CloseSessionRequest_init(&request);
request.requestHeader.timestamp = UA_DateTime_now();
request.requestHeader.timeoutHint = 10000;
request.deleteSubscriptions = UA_TRUE;
UA_NodeId_copy(&client->authenticationToken, &request.requestHeader.authenticationToken);
UA_CloseSessionResponse response;
__UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_CLOSESESSIONREQUEST],
&response, &UA_TYPES[UA_TYPES_CLOSESESSIONRESPONSE]);
UA_CloseSessionRequest_deleteMembers(&request);
UA_CloseSessionResponse_deleteMembers(&response);
return response.responseHeader.serviceResult; // not deleted
}
static UA_Int32 closeSession(ConnectionInfo *connectionInfo) {
size_t offset = 0;
UA_ByteString message;
UA_ByteString_newMembers(&message, 65536);
UA_CloseSessionRequest rq;
UA_CloseSessionRequest_init(&rq);
rq.requestHeader.requestHandle = 1;
rq.requestHeader.timestamp = UA_DateTime_now();
rq.requestHeader.timeoutHint = 10000;
rq.requestHeader.authenticationToken.identifier.numeric = 10;
rq.requestHeader.authenticationToken.identifierType = UA_NODEIDTYPE_NUMERIC;
rq.requestHeader.authenticationToken.namespaceIndex = 10;
rq.deleteSubscriptions = UA_TRUE;
UA_TcpMessageHeader msghdr;
msghdr.messageTypeAndFinal = UA_MESSAGETYPEANDFINAL_MSGF;
UA_NodeId type;
type.identifier.numeric = 473;
type.identifierType = UA_NODEIDTYPE_NUMERIC;
type.namespaceIndex = 0;
msghdr.messageSize = 16 + UA_TcpMessageHeader_calcSizeBinary(&msghdr) + UA_NodeId_calcSizeBinary(&type) +
UA_CloseSessionRequest_calcSizeBinary(&rq);
UA_TcpMessageHeader_encodeBinary(&msghdr, &message, &offset);
UA_UInt32_encodeBinary(&connectionInfo->channelId, &message, &offset);
UA_UInt32_encodeBinary(&connectionInfo->tokenId, &message, &offset);
UA_UInt32_encodeBinary(&connectionInfo->sequenceHdr.sequenceNumber, &message, &offset);
UA_UInt32_encodeBinary(&connectionInfo->sequenceHdr.requestId, &message, &offset);
UA_NodeId_encodeBinary(&type, &message, &offset);
UA_CloseSessionRequest_encodeBinary(&rq, &message, &offset);
UA_Int32 sendret = send(connectionInfo->socket, message.data, offset, 0);
UA_ByteString_deleteMembers(&message);
UA_CloseSessionRequest_deleteMembers(&rq);
if(sendret < 0) {
printf("send closesessionrequest failed");
return 1;
}
return 0;
}
