static UA_Int64 sendReadRequest(ConnectionInfo *connectionInfo, UA_Int32 nodeIds_size,UA_NodeId* nodeIds){
/*UA_Int32 sock, UA_UInt32 channelId, UA_UInt32 tokenId, UA_UInt32 sequenceNumber, UA_UInt32 requestId,
UA_NodeId authenticationToken, UA_Int32 nodeIds_size,UA_NodeId* nodeIds) {
*/
UA_ByteString *message = UA_ByteString_new();
UA_ByteString_newMembers(message, 65536);
UA_UInt32 tmpChannelId = connectionInfo->channelId;
size_t offset = 0;
UA_TcpMessageHeader msghdr;
msghdr.messageTypeAndFinal = UA_MESSAGETYPEANDFINAL_MSGF;
UA_NodeId type;
type.identifier.numeric = 631;
type.identifierType = UA_NODEIDTYPE_NUMERIC;
type.namespaceIndex = 0;
UA_ReadRequest rq;
UA_ReadRequest_init(&rq);
rq.maxAge = 0;
rq.nodesToRead = UA_Array_new(&UA_TYPES[UA_TYPES_READVALUEID], nodeIds_size);
rq.nodesToReadSize = 1;
for(UA_Int32 i=0;i<nodeIds_size;i++) {
UA_ReadValueId_init(&(rq.nodesToRead[i]));
rq.nodesToRead[i].attributeId = 6; //WriteMask
UA_NodeId_init(&(rq.nodesToRead[i].nodeId));
rq.nodesToRead[i].nodeId = nodeIds[i];
UA_QualifiedName_init(&(rq.nodesToRead[0].dataEncoding));
}
rq.requestHeader.timeoutHint = 10000;
rq.requestHeader.timestamp = UA_DateTime_now();
rq.requestHeader.authenticationToken = connectionInfo->authenticationToken;
rq.timestampsToReturn = 0x03;
rq.requestHeader.requestHandle = 1 + connectionInfo->sequenceHdr.requestId;
msghdr.messageSize = 16 + UA_TcpMessageHeader_calcSizeBinary(&msghdr) + UA_NodeId_calcSizeBinary(&type) +
UA_ReadRequest_calcSizeBinary(&rq);
UA_TcpMessageHeader_encodeBinary(&msghdr,message,&offset);
UA_UInt32_encodeBinary(&tmpChannelId, 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_ReadRequest_encodeBinary(&rq, message, &offset);
UA_DateTime tic = UA_DateTime_now();
UA_Int32 sendret = send(connectionInfo->socket, message->data, offset, 0);
UA_Array_delete(rq.nodesToRead, &UA_TYPES[UA_TYPES_READVALUEID], nodeIds_size);
UA_ByteString_delete(message);
if (sendret < 0) {
printf("send readrequest failed");
return 1;
}
return tic;
}
static void ClientNetworkLayerClose(UA_Connection *connection) {
if(connection->state == UA_CONNECTION_CLOSED)
return;
connection->state = UA_CONNECTION_CLOSED;
socket_close(connection);
#ifndef UA_MULTITHREADING
UA_ByteString_delete(connection->handle);
#endif
}
static UA_Int32 sendActivateSession(UA_Int32 sock, UA_UInt32 channelId, UA_UInt32 tokenId, UA_UInt32 sequenceNumber,
UA_UInt32 requestId, UA_NodeId authenticationToken) {
UA_ByteString *message = UA_ByteString_new();
UA_ByteString_newMembers(message, 65536);
UA_UInt32 tmpChannelId = channelId;
size_t offset = 0;
UA_TcpMessageHeader msghdr;
msghdr.messageTypeAndFinal = UA_MESSAGETYPEANDFINAL_MSGF;
msghdr.messageSize = 86;
UA_NodeId type;
type.identifier.numeric = 467;
type.identifierType = UA_NODEIDTYPE_NUMERIC;
type.namespaceIndex = 0;
UA_ActivateSessionRequest rq;
UA_ActivateSessionRequest_init(&rq);
rq.requestHeader.requestHandle = 2;
rq.requestHeader.authenticationToken = authenticationToken;
rq.requestHeader.timestamp = UA_DateTime_now();
rq.requestHeader.timeoutHint = 10000;
msghdr.messageSize = 16 + UA_TcpMessageHeader_calcSizeBinary(&msghdr) + UA_NodeId_calcSizeBinary(&type) +
UA_ActivateSessionRequest_calcSizeBinary(&rq);
UA_TcpMessageHeader_encodeBinary(&msghdr, message, &offset);
UA_UInt32_encodeBinary(&tmpChannelId, message, &offset);
UA_UInt32_encodeBinary(&tokenId, message, &offset);
UA_UInt32_encodeBinary(&sequenceNumber, message, &offset);
UA_UInt32_encodeBinary(&requestId, message, &offset);
UA_NodeId_encodeBinary(&type, message, &offset);
UA_ActivateSessionRequest_encodeBinary(&rq, message, &offset);
UA_Int32 sendret = send(sock, message->data, offset, 0);
UA_ByteString_delete(message);
if (sendret < 0) {
printf("send opensecurechannel failed");
return 1;
}
return 0;
}
