/////////////////////////////////////////////////////////
private RemoteIndexerResponse SendRequest(RemoteIndexerRequest request)
{
RemoteIndexerResponse response = null;
int exception_count = 0;
bool start_helper_by_hand = false;
if (Environment.GetEnvironmentVariable("BEAGREP_RUN_HELPER_BY_HAND") != null)
{
start_helper_by_hand = true;
}
request.RemoteIndexName = remote_index_name;
request.RemoteIndexMinorVersion = remote_index_minor_version;
while (response == null &&
exception_count < 5 &&
!Shutdown.ShutdownRequested)
{
bool need_helper = false;
//Logger.Log.Debug ("Sending request!");
try {
response = request.Send() as RemoteIndexerResponse;
//Logger.Log.Debug ("Done sending request");
} catch (ResponseMessageException ex) {
Logger.Log.Debug("Caught ResponseMessageException: {0}", ex.Message);
if (ex.InnerException is System.Net.Sockets.SocketException)
{
Logger.Log.Debug("InnerException is SocketException -- we probably need to launch a helper");
need_helper = true;
}
else if (ex.InnerException is IOException)
{
Logger.Log.Debug("InnerException is IOException -- we probably need to launch a helper");
need_helper = true;
}
else
{
Logger.Log.Debug(ex, "Unexpected exception from IndexHelper. Giving up sending this request.");
return(null);
}
}
// If we caught an exception...
if (response == null)
{
if (!start_helper_by_hand || !need_helper)
{
++exception_count;
}
if (start_helper_by_hand)
{
// Sleep briefly before trying again.
Thread.Sleep(1000);
}
else
{
// Try to activate the helper.
LaunchHelper();
}
}
}
if (response == null && exception_count >= 5)
{
Logger.Log.Error("Exception limit exceeded trying to activate a helper. Giving up on indexing!");
}
return(response);
}
public override ResponseMessage Execute (RequestMessage raw_request)
{
RemoteIndexerRequest remote_request = (RemoteIndexerRequest) raw_request;
IndexHelperTool.ReportActivity ();
// Find the appropriate driver for this request.
LuceneIndexingDriver indexer;
lock (indexer_table) {
indexer = (LuceneIndexingDriver) indexer_table [remote_request.RemoteIndexName];
if (indexer == null) {
indexer = new LuceneIndexingDriver (remote_request.RemoteIndexName,
remote_request.RemoteIndexMinorVersion);
indexer.DisableTextCache = IndexHelperTool.DisableTextCache;
indexer_table [remote_request.RemoteIndexName] = indexer;
indexer.FileFilterNotifier += delegate (Uri display_uri, Uri content_uri, Filter filter) {
IndexHelperTool.ReportActivity ();
IndexHelperTool.CurrentDisplayUri = display_uri;
IndexHelperTool.CurrentContentUri = content_uri;
IndexHelperTool.CurrentFilter = filter;
};
}
}
IndexerReceipt [] receipts = null;
int item_count = 0;
try {
if (remote_request.Request != null) // If we just want the item count, this will be null
receipts = indexer.Flush (remote_request.Request);
item_count = indexer.GetItemCount ();
} catch (Exception e) {
// Send error response
++Count;
return new ErrorResponse (e);
}
// Construct a response containing the item count and
// the receipts produced by the actual indexing.
RemoteIndexerResponse response = new RemoteIndexerResponse ();
response.ItemCount = item_count;
response.Receipts = receipts;
++Count;
IndexHelperTool.ReportActivity ();
return response;
}