public override int GetHashCode()
{
unchecked
{
return((Hit.GetHashCode() * 397) ^ Distance.GetHashCode());
}
}
public SearchResult getResults(GetResultsRequest req, bool isLocalReq)
{
int startIndex = req.startIndex;
string searchToken = req.searchToken;
SearchResult sr = new SearchResult();
sr.numResults = 0;
if (!sessionTable.ContainsKey(searchToken))
{
sr.statusCode = SC_INVALID_SEARCH_TOKEN;
sr.statusMsg = "Error: Invalid Search Token";
Logger.Log.Warn("GetResults: Invalid Search Token received ");
return(sr);
}
ArrayList results = ((SessionData)sessionTable[searchToken]).results;
if (results == null)
{
sr.statusCode = SC_INVALID_SEARCH_TOKEN;
sr.statusMsg = "Error: Invalid Search Token";
Logger.Log.Warn("GetResults: Invalid Search Token received ");
return(sr);
}
lock (results.SyncRoot) { //Lock results ArrayList to prevent more Hits getting added till we've processed doQuery
int i = 0;
if (startIndex < results.Count)
{
sr.numResults = (results.Count < startIndex + MAX_RESULTS_PER_CALL) ? (results.Count - startIndex): MAX_RESULTS_PER_CALL;
}
sr.hitResults = new HitResult[sr.numResults];
string hitUri;
for (int k = startIndex; (i < sr.numResults) && (k < results.Count); k++)
{
Hit h = (Hit)results[k];
sr.hitResults[i] = new HitResult();
// GetResults will NOT return Snippets by default. Client must make explicit GetSnippets request to get snippets for these hits.
// Not initializing sr.hitResults[i].snippet implies there is no <snippets> element in HitResult XML response.
hitUri = h.UriAsString;
if (isLocalReq || hitUri.StartsWith(NetworkedBeagle.BeagleNetPrefix))
{
sr.hitResults[i].uri = hitUri;
}
else
{
sr.hitResults[i].uri = AccessFilter.TranslateHit(h);
}
sr.hitResults[i].resourceType = h.Type;
sr.hitResults[i].mimeType = h.MimeType;
sr.hitResults[i].source = h.Source;
sr.hitResults[i].score = h.Score;
int plen = h.Properties.Count;
sr.hitResults[i].properties = new HitProperty[plen];
for (int j = 0; j < plen; j++)
{
Property p = (Property)h.Properties[j];
sr.hitResults[i].properties[j] = new HitProperty();
sr.hitResults[i].properties[j].PKey = p.Key;
sr.hitResults[i].properties[j].PVal = p.Value;
sr.hitResults[i].properties[j].IsMutable = p.IsMutable;
sr.hitResults[i].properties[j].IsSearched = p.IsSearched;
}
sr.hitResults[i].hashCode = h.GetHashCode();
i++;
}
} //end lock
sr.totalResults = results.Count;
sr.firstResultIndex = startIndex;
sr.searchToken = "";
if (sr.totalResults > 0)
{
sr.searchToken = searchToken;
}
sr.statusCode = SC_QUERY_SUCCESS;
sr.statusMsg = "Success";
//Console.WriteLine("WebServiceQuery: Total Results = " + sr.totalResults);
return(sr);
}
//Full beagledQuery
public SearchResult doQuery(SearchRequest sreq, bool isLocalReq)
{
SearchResult sr = null;
if (sreq.text == null || sreq.text.Length == 0 ||
(sreq.text.Length == 1 && sreq.text[0].Trim() == ""))
{
sr = new SearchResult();
sr.statusCode = SC_INVALID_QUERY;
sr.statusMsg = "Error: No search terms specified";
return(sr);
}
Query query = new Query();
string searchString = "";
foreach (string text in sreq.text)
{
query.AddText(text);
searchString += (searchString.Length == 0) ? text:" " + text;
}
Logger.Log.Info("WebServiceBackEnd: Received {0} WebService Query with search term: {1}", isLocalReq ? "Local":"External", searchString.Trim());
if (sreq.mimeType != null && sreq.mimeType[0] != null)
{
foreach (string mtype in sreq.mimeType)
{
query.AddMimeType(mtype);
}
}
if (sreq.searchSources != null && sreq.searchSources[0] != null)
{
foreach (string src in sreq.searchSources)
{
query.AddSource(src);
}
}
//If needed, check to restrict queries to System or Neighborhood domain, can be added here
if (sreq.qdomain > 0)
{
query.AddDomain(sreq.qdomain);
}
if (!isLocalReq) //External Request, check if this Node is already processing it
{
lock (this) {
if ((sreq.searchId != 0) && NetworkedBeagle.IsCachedRequest(sreq.searchId))
{
sr = new SearchResult();
sr.numResults = sr.totalResults = sr.firstResultIndex = 0;
sr.hitResults = new HitResult[sr.numResults];
sr.searchToken = "";
sr.statusCode = SC_DUPLICATE_QUERY;
sr.statusMsg = "Error: Duplicate Query loopback";
Logger.Log.Warn("WebServiceBackEnd: Received duplicate Query for a query already in process!");
Logger.Log.Warn("WebServiceBackEnd: Check NetBeagle configuration on all nodes to remove possible loops");
}
if (sreq.hopCount >= 5)
{
//If request has traversed 5 nodes in reaching here, stop cascading.
//Make it a Local Query.
query.RemoveDomain(sreq.qdomain);
query.AddDomain(QueryDomain.System);
}
if ((sr == null) && (sreq.searchId != 0))
{
NetworkedBeagle.CacheRequest(query, sreq.searchId, sreq.hopCount + 1);
}
}
if (sr != null)
{
return(sr);
}
//Logger.Log.Info("New external Query: searchId = {0}", sreq.searchId);
}
ArrayList results = ArrayList.Synchronized(new ArrayList());
QueryResult qres = new QueryResult();
string searchToken = TokenGenerator();
SessionData sdata = new SessionData(query, results, isLocalReq);
AttachQueryResult(qres, sdata);
/* Include this code, if sessionID passed from front-end:
* if (sessionTable.Contains(searchToken))
* sessionTable[searchToken] = sdata;
* else
*/
sessionTable.Add(searchToken, sdata);
QueryDriver.DoQueryLocal(query, qres);
while (resultTable.Contains(qres) && (results.Count < MAX_RESULTS_PER_CALL))
{
Thread.Sleep(100);
}
//Console.WriteLine("WebServiceBackEnd: Got {0} results from beagled", results.Count);
sr = new SearchResult();
if (results.Count > 0)
{
lock (results.SyncRoot) { //Lock results ArrayList to prevent more Hits added till we've processed doQuery
sr.numResults = results.Count < MAX_RESULTS_PER_CALL ? results.Count: MAX_RESULTS_PER_CALL;
sr.hitResults = new HitResult[sr.numResults];
string hitUri;
for (int i = 0; i < sr.numResults; i++)
{
Hit h = (Hit)results[i];
string snippet;
//Queryable queryable = h.SourceObject as Queryable;
Queryable queryable = QueryDriver.GetQueryable(h.SourceObjectName);
if (queryable == null)
{
snippet = "ERROR: hit.SourceObject is null, uri=" + h.Uri;
}
else
{
snippet = queryable.GetSnippet(ICollection2StringList(query.StemmedText), h);
}
sr.hitResults[i] = new HitResult();
hitUri = h.UriAsString;
if (isLocalReq || hitUri.StartsWith(NetworkedBeagle.BeagleNetPrefix))
{
sr.hitResults[i].uri = hitUri;
}
else
{
sr.hitResults[i].uri = AccessFilter.TranslateHit(h);
}
sr.hitResults[i].resourceType = h.Type;
sr.hitResults[i].mimeType = h.MimeType;
sr.hitResults[i].source = h.Source;
sr.hitResults[i].score = h.Score;
int plen = h.Properties.Count;
sr.hitResults[i].properties = new HitProperty[plen];
for (int j = 0; j < plen; j++)
{
Property p = (Property)h.Properties[j];
sr.hitResults[i].properties[j] = new HitProperty();
sr.hitResults[i].properties[j].PKey = p.Key;
sr.hitResults[i].properties[j].PVal = p.Value;
sr.hitResults[i].properties[j].IsMutable = p.IsMutable;
sr.hitResults[i].properties[j].IsSearched = p.IsSearched;
}
sr.hitResults[i].hashCode = h.GetHashCode();
if (snippet != null)
{
sr.hitResults[i].snippet = snippet.Trim();
}
}
} //end lock
} // end if
else
{
sr.numResults = 0;
sr.hitResults = new HitResult[sr.numResults];
}
sr.totalResults = results.Count;
sr.firstResultIndex = 0;
sr.searchToken = "";
if (sr.totalResults > 0)
{
sr.searchToken = searchToken;
}
sr.statusCode = SC_QUERY_SUCCESS;
sr.statusMsg = "Success";
Logger.Log.Info("WebServiceBackEnd: Total Results = " + sr.totalResults);
return(sr);
}
