//
// Creates the command line properties file we'll use
//
private static string GetCommandLinePropertiesFile(Utilities.Cache rbRequests)
{
// Pull out the requests we've recieved
string[] completedRequest = rbRequests.RetriveRequests(true);
if (completedRequest.Length == 0)
{
MessageBox.Show(@"No requests were provided for the process", @"Unable to run RBProc");
return(null);
}
// Build up the parameters to pass
try
{
// Build the file we'll use
string commandLineProperties = Path.GetTempFileName();
File.WriteAllLines(commandLineProperties, completedRequest);
// Pass back the file
return(commandLineProperties);
}
catch (Exception e)
{
MessageBox.Show("Unable to generate the process command properties\n" + e.Message, @"Unable to run RBProc");
return(null);
}
}
//
// Returns if enough time has passed to read the file
//
private static bool RequestsReadyToBeProcessed(Utilities.Cache rbRequests)
{
// Pull out the last modified timestamp and see if enough time has passed
Int64 modifiedTimeStamp = rbRequests.GetModifiedTimeStamp(true);
Int64 currentTimeStamp = Stopwatch.GetTimestamp();
Int64 elapsedTicks = currentTimeStamp - modifiedTimeStamp;
Int64 elapsedMilliseconds = (elapsedTicks / Stopwatch.Frequency) * 1000;
// It needs to have been a fixed time before we read the file
return(elapsedMilliseconds >= AcceptablePeriodSinceLastWrite);
}
//
// Handles this request
//
public void Process()
{
// Check the given file exists
bool fileExists = DoesRequestedFileExist();
if (fileExists == false)
{
return;
}
// Get the request object we can use
Utilities.Cache rbRequests = new Utilities.Cache(m_processRequest, m_requestPath);
// Own this process to stop any other process writing to the file
bool firstProcess = false;
using (Utilities.ProcessLock rbProcess = new Utilities.ProcessLock())
{
// Create and write to the shared file
firstProcess = rbRequests.CreateRequestFile();
rbRequests.WriteRequest();
}
// If this was the first instance, we now need to wait until all other process have finished
if (firstProcess == true)
{
// Get the application to deal with this command
string requiredApplication = GetRequestProcessApplication(m_processRequest);
if (string.IsNullOrWhiteSpace(requiredApplication) == true)
{
return;
}
string requiredOptions = GetRequestProcessOptions(m_processRequest);
if (requiredOptions == null)
{
return;
}
// Since this is the main app, we now wait to make sure we've caught them all
string commandLineProperties = string.Empty;
while (string.IsNullOrEmpty(commandLineProperties) == true)
{
// Wait until we need to the request file
Thread.Sleep(DelayBeforeCheckingRequests);
if (RequestsReadyToBeProcessed(rbRequests) == false)
{
continue;
}
// We can read in the file now
commandLineProperties = GetCommandLinePropertiesFile(rbRequests);
if (string.IsNullOrWhiteSpace(commandLineProperties) == true)
{
return;
}
}
// Build up the command line options
string applicationPath = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
string finalExecutable = string.Format("{0}\\{1}", applicationPath, requiredApplication);
// Run the executable and bail
RunProcess(finalExecutable, requiredOptions, commandLineProperties);
}
}
