public CrawlDocument GetNewRandomUnscannedDocument()
{
QueryDocument filter = new QueryDocument();
filter.Add("Scanned", false);
filter.Add("ClassName", "File");
// Not efficient to obtain all collection, but 'files' cooolection shouldn't bee too large
// http://stackoverflow.com/questions/3975290/produce-a-random-number-in-a-range-using-c-sharp
Random r = new Random((int)DateTime.Now.Ticks);
long num = files.Find(filter).Count();
int x = r.Next((int)num);//Max range
var allFiles = files.Find(filter).SetSkip(x).SetLimit(1);
foreach (var file in allFiles)
{
CrawlDocument result = new CrawlDocument();
result.ClassName = "File";
result.FileId = file["FileId"].ToString();
result.Hash = file["Hash"].ToString();
result.Path = file["Path"].ToString();
result.Scanned = file["Scanned"].ToBoolean();
// Check db size is close to maximum
// FileInfo Fi = new FileInfo(dbPath);
// long maxsize = 2000*1024*1024;
// if (Fi.Length > maxsize)
// return null;
return(result);
}
return(null);
}
public List <CrawlDocument> GetFile(string fileId)
{
List <CrawlDocument> resultList = new List <CrawlDocument>();
var files = DatabaseMongo.GetCollection <BsonDocument>("files");
QueryDocument filter = new QueryDocument();
filter.Add("FileId", fileId);
filter.Add("ClassName", "File");
var allFiles = files.Find(filter);
foreach (BsonDocument file in allFiles)
{
CrawlDocument result = new CrawlDocument();
result.FileId = file["FileId"].ToString();
result.Hash = file["Hash"].ToString();
result.Path = file["Path"].ToString();
result.Scanned = file["Scanned"].ToBoolean();
resultList.Add(result);
}
return(resultList);
}
public void TestGetNewRandomUnscannedDocument()
{
db.Clear();
int numRecords = 1000;
Stopwatch timer = new Stopwatch();
for (int i = 0; i < numRecords; i++)
{
CrawlDocument cd = new CrawlDocument();
cd.Hash = Guid.NewGuid().ToString();
cd.Path = i.ToString();
cd.ClassName = "File";
db.InsertIntoFiles(cd);
}
CrawlDocument cd1 = db.GetNewRandomUnscannedDocument();
CrawlDocument cd2 = db.GetNewRandomUnscannedDocument();
// Random-selected files from 1000 records should differ
Assert.IsFalse(cd1.FileId == cd2.FileId);
timer.Stop();
// Assume 3ms for each record should be enough
Assert.IsTrue(timer.ElapsedMilliseconds < 3 * numRecords);
}
static void Scan(string dir, string dbName)
{
//Открыть папку, выбрать все файлы двг из нее
string dataDir = @"c:\Data\";
string[] dwgFiles = Directory.GetFiles(dir, "*.dwg", SearchOption.AllDirectories);
DbMongo db = new DbMongo(dbName);
foreach (string dwgFile in dwgFiles)
{
CrawlDocument cDoc = new CrawlDocument(dwgFile);
FileCopy(dwgFile, Path.Combine(dataDir, cDoc.FileId + ".dwg"));
db.InsertIntoFiles(cDoc);
}
/*
* //Запуситить процессы по числу ядер процессоров каждый на своем ядре
* int numCores = 4;
* for (int i = 0; i < numCores; i++)
* {
* //crawlinNano();
* //http://cplus.about.com/od/learnc/a/multi-threading-using-task-parallel-library.htm
* Task.Factory.StartNew(() => crawlinNano());
* //Процесс выбирает из базы случайным образом непросканированный файл и сканирует его в Json
* //Это пока выполняется вручным запуском нанокадов
* //Если файл изменился, то записывается его новый hash
* }
*/
}
public void InsertIntoFiles(CrawlDocument crawlDocument)
{
BsonDocument doc = crawlDocument.ToBsonDocument();
var filter = new QueryDocument("Hash", crawlDocument.Hash);
var qryResult = files.FindOne(filter);
// if hash exist - we should skip insertion
if (qryResult == null)
{
// Check hash already exists, if no - insert
files.Insert(doc);
}
}
public static void Crawl(bool closeAfterComplete = true)
{
DbMongo sqlDB = new DbMongo("SingleFile");
//While Get random dwg from database that not scanned
CrawlDocument crawlDoc = sqlDB.GetNewRandomUnscannedDocument();
while (crawlDoc != null)
{
crawlAcDbDocument cDoc = new crawlAcDbDocument(crawlDoc);
cDoc.sqlDB = sqlDB;
cDoc.ScanDocument();
crawlDoc = sqlDB.GetNewRandomUnscannedDocument();
}
if (closeAfterComplete)
{
HostMgd.ApplicationServices.Application.Quit();
}
}
public void TestInsertIntoFiles()
{
db.Clear();
string json1 = @"
{
'ClassName': 'File',
'FileId': 'bc6a1669-51ce-444c-94c6-cfec71c0f44d',
'Hash': 'd520b80512f226e81dd72294037657fd',
'Path': '\\\\FILESERVER\\home\\#АРХИВ 2014\\Объекты\\МНОГОТОПЛИВНАЯ АЗС №15\\задание на фундаменты.dwg',
'Scanned': false,
'_id': {
'$oid': '55a49dfff80dc7180c8228d3'
}
}";
string json2 = @"
{
'ClassName': 'File',
'FileId': '9e2769ff-678f-401b-8d10-e0581aa6bf98',
'Hash': '253ffb6063333c5bfc1109c5d7db1945',
'Path': '\\\\FILESERVER\\home\\#АРХИВ 2014\\Объекты\\МНОГОТОПЛИВНАЯ АЗС №15\\образец исх данные.dwg',
'Scanned': false,
'_id': {
'$oid': '55a49dfff80dc7180c8228d4'
}
}
";
db.InsertIntoFiles(json1);
db.InsertIntoFiles(json2);
Assert.IsTrue(db.HasFileHash("d520b80512f226e81dd72294037657fd"));
Assert.IsTrue(db.HasFileId("bc6a1669-51ce-444c-94c6-cfec71c0f44d"));
Assert.IsTrue(db.HasFileHash("253ffb6063333c5bfc1109c5d7db1945"));
Assert.IsTrue(db.HasFileId("9e2769ff-678f-401b-8d10-e0581aa6bf98"));
db.Clear();
Crawl.CrawlDocument cdoc = new CrawlDocument(@"D:\Documents\Desktop\SingleFile\+b3826065-07d1-4d4a-8af4-35ebc3630117.dwg");
db.InsertIntoFiles(cdoc);
Assert.IsTrue(db.HasFileHash(cdoc.Hash));
Assert.IsTrue(db.HasFileId(cdoc.FileId));
}
private List <CrawlDocument> GetXrefs(Document aDoc)
{
//http://adndevblog.typepad.com/autocad/2012/06/finding-all-xrefs-in-the-current-database-using-cnet.html
XrefGraph xGraph = aDoc.Database.GetHostDwgXrefGraph(false);
int numXrefs = xGraph.NumNodes;
List <CrawlDocument> result = new List <CrawlDocument>();
for (int i = 0; i < numXrefs; i++)
{
XrefGraphNode xrefNode = xGraph.GetXrefNode(i);
if (xrefNode.XrefStatus == XrefStatus.Resolved)
{
//Document theDoc = TeighaApp.DocumentManager.GetDocument(xrefNode.Database);
CrawlDocument acDoc = new CrawlDocument(xrefNode.Database.Filename);
result.Add(acDoc);
}
}
return(result);
}
public crawlAcDbDocument(CrawlDocument crawlDoc)
{
this.FullPath = crawlDoc.Path;
this.FileId = crawlDoc.FileId;
this.teighaDocument = TeighaApp.DocumentManager.Open(Path.Combine(_dataDir, crawlDoc.FileId + ".dwg"));
}