static int Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("usage validation_custom.exe mw-id=<middleware ID>");
return(-1);
}
Config config = new Config(args);
InitializeLogging(config);
//o Enable Message validation. This parameter is "false" by default.
config.AddValue("GMSEC-MSG-CONTENT-VALIDATE", "true");
// TODO: Once available, replace this statement with usage of
// ConnectionManager::getAPIVersion (See RTC 4798)
Log.Info(Connection.GetAPIVersion());
try
{
ConnectionManager connMgr = new ConnectionManager(config);
Log.Info("Opening the connection to the middleware server");
connMgr.Initialize();
Log.Info(connMgr.GetLibraryVersion());
//o Set up the ValidationCallback and subscribe
ValidationCallback vc = new ValidationCallback();
connMgr.Subscribe(PROD_MESSAGE_SUBJECT, vc);
//o Start the AutoDispatcher
connMgr.StartAutoDispatch();
//o Create and publish a simple Product File Message
SetupStandardFields(connMgr);
GMSEC.API.MIST.MESSAGE.ProductFileMessage productMessage = CreateProductFileMessage(connMgr, "//hostname/dir/filename");
connMgr.Publish(productMessage);
productMessage = CreateProductFileMessage(connMgr, "//badhost/dir/filename");
//o Publish the message to the middleware bus
connMgr.Publish(productMessage);
connMgr.StopAutoDispatch();
//o Disconnect from the middleware and clean up the Connection
connMgr.Cleanup();
}
catch (GMSEC_Exception e)
{
Log.Error(e.ToString());
return(-1);
}
return(0);
}
static GMSEC.API.MIST.MESSAGE.ProductFileMessage CreateProductFileMessage(ConnectionManager connMgr, String filePath)
{
ProductFile externalFile = new ProductFile("External File", "External File Description", "1.0.0", "TXT", filePath);
GMSEC.API.MIST.MESSAGE.ProductFileMessage productMessage = new GMSEC.API.MIST.MESSAGE.ProductFileMessage(PROD_MESSAGE_SUBJECT, ResponseStatus.SUCCESSFUL_COMPLETION, Message.MessageKind.PUBLISH, "AUTO", "DM", connMgr.GetSpecification());
productMessage.AddProductFile(externalFile);
connMgr.AddStandardFields(productMessage);
return(productMessage);
}
public override void OnMessage(ConnectionManager connMgr, Message message)
{
try
{
//o Run the message through the GMSEC API-supplied validation
connMgr.GetSpecification().ValidateMessage(message);
//o In this example scenario, we are expecting to receive a
// GMSEC PROD message containing a URI to a location on the disk
// where a product file has been placed for retrieval. In this
// case, we want to validate that the location on the disk is
// in an area which we would expect (i.e. Something that the
// team has agreed upon prior to operational deployment).
//
// By validating this URI, we ensure that no malicious users
// have infiltrated the system and somehow modified the messages
// to cause us to retrieve a file from an unknown location.
//o Start by checking to ensure that this is a PROD message
if (IsProdMsg(message))
{
GMSEC.API.MIST.MESSAGE.ProductFileMessage prodMessage = new GMSEC.API.MIST.MESSAGE.ProductFileMessage(message.ToXML());
//o Extract the Product File URI location(s) from the
// message using a ProductFileIterator
ProductFileIterator prodIter = prodMessage.GetProductFileIterator();
while (prodIter.HasNext())
{
ProductFile prodFile = prodIter.Next();
//o Check to ensure that the URI contains "//hostname/dir"
String prodUri = prodFile.GetURI();
if (prodUri.IndexOf("//hostname/dir") == -1)
{
String errorMsg = "Received an invalid PROD Message (bad URI):\n" + message.ToXML();
throw new GMSEC_Exception(StatusClass.MIST_ERROR, StatusCode.MESSAGE_FAILED_VALIDATION, errorMsg);
}
}
Log.Info("Received a valid message:\n" + message.ToXML());
}
}
catch (Exception e)
{
Log.Error(e.ToString());
}
}
static GMSEC.API.MIST.MESSAGE.ProductFileMessage CreateProductFileMessage(ConnectionManager connMgr, String filePath)
{
ProductFile externalFile = new ProductFile("External File", "External File Description", "1.0.0", "TXT", filePath);
GMSEC.API.MIST.MESSAGE.ProductFileMessage productMessage;
if (connMgr.GetSpecification().GetVersion() <= GMSEC_ISD.GMSEC_ISD_2016_00)
{
productMessage = new GMSEC.API.MIST.MESSAGE.ProductFileMessage(PROD_MESSAGE_SUBJECT, ResponseStatus.SUCCESSFUL_COMPLETION, "MSG.PROD.AUTO", connMgr.GetSpecification());
}
else
{
productMessage = new GMSEC.API.MIST.MESSAGE.ProductFileMessage(PROD_MESSAGE_SUBJECT, ResponseStatus.SUCCESSFUL_COMPLETION, "MSG.PROD", connMgr.GetSpecification());
productMessage.AddField(new StringField("PROD-TYPE", "AUTO"));
productMessage.AddField(new StringField("PROD-SUBTYPE", "DM"));
}
productMessage.AddProductFile(externalFile);
connMgr.AddStandardFields(productMessage);
return(productMessage);
}
static int Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("usage product_message.exe mw-id=<middleware ID>");
return(-1);
}
Config config = new Config(args);
InitializeLogging(config);
//o Enable Message validation. This parameter is "false" by default.
config.AddValue("GMSEC-MSG-CONTENT-VALIDATE", "true");
// TODO: Once available, replace this statement with usage of
// ConnectionManager::getAPIVersion (See RTC 4798)
Log.Info(Connection.GetAPIVersion());
try
{
ConnectionManager connManager = new ConnectionManager(config);
Log.Info("Opening the connection to the middleware server");
connManager.Initialize();
Log.Info(connManager.GetLibraryVersion());
//o Create all of the GMSEC Message header Fields which will
// be used by all GMSEC Messages
//
// Note: Since these Fields contain variable values which are
// based on the context in which they are used, they cannot be
// automatically populated using MistMessage.
List <Field> definedFields = new List <Field>();
StringField missionField = new StringField("MISSION-ID", "MISSION");
// Note: SAT-ID-PHYSICAL is an optional header Field, according
// to the GMSEC ISD.
StringField satIdField = new StringField("SAT-ID-PHYSICAL", "SPACECRAFT");
StringField facilityField = new StringField("FACILITY", "GMSEC Lab");
StringField componentField = new StringField("COMPONENT", "device_message");
definedFields.Add(missionField);
definedFields.Add(satIdField);
definedFields.Add(facilityField);
definedFields.Add(componentField);
//o Use setStandardFields to define a set of header fields for
// all messages which are created or published on the
// ConnectionManager using the following functions:
// createLogMessage, publishLog, createHeartbeatMessage,
// startHeartbeatService, createResourceMessage,
// publishResourceMessage, or startResourceMessageService
connManager.SetStandardFields(definedFields);
//o Create a ProductFile object with the product name,
// description, version, file format, and the URI
ProductFile externalFile = new ProductFile("External File", "External File Description", "1.0.0", "TXT", "//hostname/dir/filename");
int fSize = 8;
byte[] filePayload = new byte[8];
for (byte idx = 0; idx < fSize; idx++)
{
filePayload[idx] = idx;
}
//o Create a ProductFile object with the product name,
// description, version, format, binary array, and file size
ProductFile binaryFile = new ProductFile("File as Binary", "Binary File Description", "1.0.0", "BIN", filePayload);
//o Create a Product File Message with the subject,
// RESPONSE-STATUS Field value, Message type (publish, request,
// or reply), PROD-TYPE Field value, PROD-SUBTYPE Field value,
// and pass it the Specification object from the Connection
// Manager
using (GMSEC.API.MIST.MESSAGE.ProductFileMessage productMessage = new GMSEC.API.MIST.MESSAGE.ProductFileMessage(PROD_MESSAGE_SUBJECT, ResponseStatus.SUCCESSFUL_COMPLETION, Message.MessageKind.PUBLISH, "AUTO", "DM", connManager.GetSpecification()))
{
productMessage.AddProductFile(externalFile);
productMessage.AddProductFile(binaryFile);
connManager.AddStandardFields(productMessage);
connManager.Publish(productMessage);
Log.Info("Published DEV message:\n" + productMessage.ToXML());
}
connManager.Cleanup();
}
catch (GMSEC_Exception e)
{
Log.Error(e.ToString());
return(-1);
}
return(0);
}
