/
nosonetwork.pas
1505 lines (1376 loc) · 46.2 KB
/
nosonetwork.pas
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
unit NosoNetwork;
{$mode ObjFPC}{$H+}
INTERFACE
uses
Classes, SysUtils, strutils,
IdContext, IdGlobal, IdTCPClient, IdTCPServer,
nosodebug, nosotime, nosogeneral, nosoheaders, nosocrypto, nosoblock,nosoconsensus,
nosounit,nosonosoCFG,nosogvts,nosomasternodes,nosopsos
;
Type
TThreadClientRead = class(TThread)
private
FSlot: Integer;
protected
procedure Execute; override;
public
constructor Create(const CreatePaused: Boolean; const ConexSlot:Integer);
end;
TNodeData = Packed Record
ip : string[15];
port : string[8];
end;
Tconectiondata = Packed Record
Autentic : boolean; // si la conexion esta autenticada por un ping
Connections : Integer; // A cuantos pares esta conectado
tipo : string[8]; // Tipo: SER o CLI
ip: string[20]; // La IP del par
lastping: string[15]; // UTCTime del ultimo ping
context: TIdContext; // Informacion para los canales cliente
Lastblock: string[15]; // Numero del ultimo bloque
LastblockHash: string[64]; // Hash del ultimo bloque
SumarioHash : string[64]; // Hash del sumario de cuenta
Pending: Integer; // Cantidad de operaciones pendientes
Protocol : integer; // Numero de protocolo usado
Version : string[8];
ListeningPort : integer;
offset : integer; // Segundos de diferencia a su tiempo
ResumenHash : String[64]; //
ConexStatus : integer;
IsBusy : Boolean;
Thread : TThreadClientRead;
MNsHash : string[5];
MNsCount : Integer;
BestHashDiff : string[32];
MNChecksCount : integer;
GVTsHash : string[32];
CFGHash : string[32];
MerkleHash : string[32];
PSOHash : string[32];
end;
TBotData = Packed Record
ip : string[15];
LastRefused : int64;
end;
NodeServerEvents = class
class procedure OnExecute(AContext: TIdContext);
class procedure OnConnect(AContext: TIdContext);
class procedure OnDisconnect(AContext: TIdContext);
class procedure OnException(AContext: TIdContext);
end;
Function GetPendingCount():integer;
Procedure ClearAllPending();
procedure SendPendingsToPeer(Slot:int64);
function TranxAlreadyPending(TrxHash:string):boolean;
function AddArrayPoolTXs(order:TOrderData):boolean;
function TrxExistsInLastBlock(trfrhash:String):boolean;
function GetPTCEcn():String;
function IsValidProtocol(line:String):Boolean;
function GetPingString():string;
Function ProtocolLine(LCode:integer):String;
Procedure ProcessPing(LineaDeTexto: string; Slot: integer; Responder:boolean);
Procedure ProcessIncomingLine(FSlot:integer;LLine:String);
Procedure SendMNsListToPeer(slot:integer);
Procedure SendMNChecksToPeer(Slot:integer);
Function GetVerificationMNLine(ToIp:String):String;
Function IsAllSynced():integer;
Function GetSyncTus():String;
Procedure ClearOutTextToSlot(slot:integer);
Function GetTextToSlot(slot:integer):string;
Procedure TextToSlot(Slot:integer;LText:String);
Function GetConexIndex(Slot:integer): Tconectiondata;
Procedure SetConexIndex(Slot: integer; LData:Tconectiondata);
Procedure SetConexIndexBusy(LSlot:integer;value:Boolean);
Procedure SetConexIndexLastPing(LSlot:integer;value:string);
procedure SetConexReserved(LSlot:Integer;Reserved:boolean);
procedure StartConexThread(LSlot:Integer);
Procedure CloseSlot(Slot:integer);
function GetTotalConexiones():integer;
Function IsSlotConnected(number:integer):Boolean;
Procedure UpdateMyData();
Function IsValidator(Ip:String):boolean;
Function ValidateMNCheck(Linea:String):string;
Procedure InitNodeServer();
function ClientsCount : Integer ;
Function TryMessageToClient(AContext: TIdContext;message:string):boolean;
Function GetStreamFromClient(AContext: TIdContext;out LStream:TMemoryStream):boolean;
Procedure TryCloseServerConnection(AContext: TIdContext; closemsg:string='');
Procedure IncClientReadThreads();
Procedure DecClientReadThreads();
Function GetClientReadThreads():integer;
Procedure AddToIncoming(Index:integer;texto:string);
Function GetIncoming(Index:integer):String;
Function LengthIncoming(Index:integer):integer;
Procedure ClearIncoming(Index:integer);
Procedure UpdateBotData(IPUser:String);
Procedure DeleteBots();
function BotExists(IPUser:String):Boolean;
Procedure FillNodeList();
Function NodesListLen():integer;
Function NodesIndex(lIndex:integer):TNodeData;
Procedure InitializeElements();
Procedure ClearElements();
CONST
MaxConecciones = 99;
Protocolo = 2;
MainnetVersion = '0.4.2';
var
// General
Conexiones : array [1..MaxConecciones] of Tconectiondata;
SlotLines : array [1..MaxConecciones] of TStringList;
CanalCliente : array [1..MaxConecciones] of TIdTCPClient;
ArrayOutgoing : array [1..MaxConecciones] of array of string;
BotsList : array of TBotData;
ArrayPoolTXs : Array of TOrderData;
// Donwloading files
DownloadHeaders : boolean = false;
DownloadSumary : Boolean = false;
DownLoadBlocks : boolean = false;
DownLoadGVTs : boolean = false;
DownloadPSOs : boolean = false;
// Last time files request
LastTimeMNHashRequestes : int64 = 0;
LastTimeBestHashRequested : int64 = 0;
LastTimeMNsRequested : int64 = 0;
LastTimeChecksRequested : int64 = 0;
LastRunMNVerification : int64 = 0;
LasTimeGVTsRequest : int64 = 0;
LastTimeRequestSumary : int64 = 0;
LastTimeRequestBlock : int64 = 0;
LastTimeRequestResumen : int64 = 0;
LastTimePendingRequested : int64 = 0;
LasTimePSOsRequest : int64 = 0;
LastBotClear : int64 = 0;
ForceCompleteHeadersDownload : boolean = false;
G_MNVerifications : integer = 0;
// Local data hashes
MyLastBlock : integer = 0;
MyLastBlockHash : String = '';
//
//MyGVTsHash : string = '';
//MyCFGHash : string = '';
MyPublicIP : String = '';
// Local information
LastBlockData : BlockHeaderData;
OpenReadClientThreads : integer = 0;
// Critical sections
CSClientReads : TRTLCriticalSection;
CSIncomingArr : array[1..MaxConecciones] of TRTLCriticalSection;
CSOutGoingArr : array[1..MaxConecciones] of TRTLCriticalSection;
CSConexiones : TRTLCriticalSection;
CSBotsList : TRTLCriticalSection;
CSPending : TRTLCriticalSection;
// nodes list
NodesList : array of TNodeData;
CSNodesList : TRTLCriticalSection;
// Node server
NodeServer : TIdTCPServer;
IMPLEMENTATION
Uses
MasterPaskalForm; // To be removed, only due to server dependancy until it is implemented
{$REGION Pending Pool transactions}
Function GetPendingCount():integer;
Begin
EnterCriticalSection(CSPending);
result := Length(ArrayPoolTXs);
LeaveCriticalSection(CSPending);
End;
// Clear the pending transactions array safely
Procedure ClearAllPending();
Begin
EnterCriticalSection(CSPending);
SetLength(ArrayPoolTXs,0);
LeaveCriticalSection(CSPending);
End;
// Send pending transactions to peer, former PTC_SendPending
procedure SendPendingsToPeer(Slot:int64);
var
contador : integer;
Encab : string;
Textline : String;
TextOrder : String;
CopyArrayPoolTXs : Array of TOrderData;
Begin
Encab := GetPTCEcn;
TextOrder := encab+'ORDER ';
if GetPendingCount > 0 then
begin
EnterCriticalSection(CSPending);
SetLength(CopyArrayPoolTXs,0);
CopyArrayPoolTXs := copy(ArrayPoolTXs,0,length(ArrayPoolTXs));
LeaveCriticalSection(CSPending);
for contador := 0 to Length(CopyArrayPoolTXs)-1 do
begin
Textline := GetStringFromOrder(CopyArrayPoolTXs[contador]);
if (CopyArrayPoolTXs[contador].OrderType='CUSTOM') then
begin
TextToSlot(slot,Encab+'$'+TextLine);
end;
if (CopyArrayPoolTXs[contador].OrderType='TRFR') then
begin
if CopyArrayPoolTXs[contador].TrxLine=1 then TextOrder:= TextOrder+IntToStr(CopyArrayPoolTXs[contador].OrderLines)+' ';
TextOrder := TextOrder+'$'+GetStringfromOrder(CopyArrayPoolTXs[contador])+' ';
if CopyArrayPoolTXs[contador].OrderLines=CopyArrayPoolTXs[contador].TrxLine then
begin
Setlength(TextOrder,length(TextOrder)-1);
TextToSlot(slot,TextOrder);
TextOrder := encab+'ORDER ';
end;
end;
if (CopyArrayPoolTXs[contador].OrderType='SNDGVT') then
begin
TextToSlot(slot,Encab+'$'+TextLine);
end;
end;
SetLength(CopyArrayPoolTXs,0);
end;
End;
function TranxAlreadyPending(TrxHash:string):boolean;
var
cont : integer;
Begin
Result := false;
if GetPendingCount > 0 then
begin
EnterCriticalSection(CSPending);
for cont := 0 to GetPendingCount-1 do
begin
if TrxHash = ArrayPoolTXs[cont].TrfrID then
begin
result := true;
break;
end;
end;
LeaveCriticalSection(CSPending);
end;
End;
// Add a new trx to the pending pool
function AddArrayPoolTXs(order:TOrderData):boolean;
var
counter : integer = 0;
ToInsert : boolean = false;
LResult : integer = 0;
Begin
BeginPerformance('AddArrayPoolTXs');
if order.TimeStamp < LastBlockData.TimeStart then exit;
if TrxExistsInLastBlock(order.TrfrID) then exit;
if ((BlockAge>585) and (order.TimeStamp < LastBlockData.TimeStart+540) ) then exit;
if not TranxAlreadyPending(order.TrfrID) then
begin
EnterCriticalSection(CSPending);
while counter < length(ArrayPoolTXs) do
begin
if order.TimeStamp < ArrayPoolTXs[counter].TimeStamp then
begin
ToInsert := true;
LResult := counter;
break;
end
else if order.TimeStamp = ArrayPoolTXs[counter].TimeStamp then
begin
if order.OrderID < ArrayPoolTXs[counter].OrderID then
begin
ToInsert := true;
LResult := counter;
break;
end
else if order.OrderID = ArrayPoolTXs[counter].OrderID then
begin
if order.TrxLine < ArrayPoolTXs[counter].TrxLine then
begin
ToInsert := true;
LResult := counter;
break;
end;
end;
end;
Inc(counter);
end;
if not ToInsert then LResult := length(ArrayPoolTXs);
Insert(order,ArrayPoolTXs,LResult);
LeaveCriticalSection(CSPending);
result := true;
//VerifyIfPendingIsMine(order);
end;
EndPerformance('AddArrayPoolTXs');
End;
// Check if the TRxID exists in the last block
function TrxExistsInLastBlock(trfrhash:String):boolean;
var
ArrayLastBlockTrxs : TBlockOrdersArray;
cont : integer;
Begin
Result := false;
ArrayLastBlockTrxs := Default(TBlockOrdersArray);
ArrayLastBlockTrxs := GetBlockTrxs(MyLastBlock);
for cont := 0 to length(ArrayLastBlockTrxs)-1 do
begin
if ArrayLastBlockTrxs[cont].TrfrID = trfrhash then
begin
result := true ;
break
end;
end;
End;
{$ENDREGION Pending Pool transactions}
{$REGION Protocol}
// Returns protocolo message header
function GetPTCEcn():String;
Begin
result := 'PSK '+IntToStr(protocolo)+' '+MainnetVersion+NodeRelease+' '+UTCTimeStr+' ';
End;
function IsValidProtocol(line:String):Boolean;
Begin
if ( (copy(line,1,4) = 'PSK ') or (copy(line,1,4) = 'NOS ') ) then result := true
else result := false;
End;
function GetPingString():string;
var
LPort : integer = 0;
Begin
if Form1.Server.Active then Lport := Form1.Server.DefaultPort else Lport:= -1 ;
result :=IntToStr(GetTotalConexiones())+' '+ //
IntToStr(MyLastBlock)+' '+
MyLastBlockHash+' '+
MySumarioHash+' '+
GetPendingCount.ToString+' '+
GetResumenHash+' '+
IntToStr(MyConStatus)+' '+
IntToStr(Lport)+' '+
copy(GetMNsHash,0,5)+' '+
IntToStr(GetMNsListLength)+' '+
'null'+' '+ //GetNMSData.Diff
GetMNsChecksCount.ToString+' '+
MyGVTsHash+' '+
Copy(HashMD5String(GetCFGDataStr),0,5)+' '+
Copy(PSOFileHash,0,5);
End;
Function ProtocolLine(LCode:integer):String;
var
Specific : String = '';
Header : String = '';
Begin
Header := 'PSK '+IntToStr(protocolo)+' '+MainnetVersion+'zzz '+UTCTimeStr+' ';
if LCode = 0 then Specific := ''; //OnlyHeaders
if LCode = 3 then Specific := '$PING '+GetPingString; //Ping
if LCode = 4 then Specific := '$PONG '+GetPingString; //Pong
if LCode = 5 then Specific := '$GETPENDING'; //GetPending
if LCode = 6 then Specific := '$GETSUMARY'; //GetSumary
if LCode = 7 then Specific := '$GETRESUMEN'; //GetResumen
if LCode = 8 then Specific := '$LASTBLOCK '+IntToStr(mylastblock);//LastBlock
if LCode = 9 then Specific := '$CUSTOM '; //Custom
if LCode = 11 then Specific := '$GETMNS'; //GetMNs
if LCode = 12 then Specific := '$BESTHASH'; //BestHash
if LCode = 13 then Specific := '$MNREPO '+GetMNReportString(MyLastBlock); //MNReport
if LCode = 14 then Specific := '$MNCHECK '; //MNCheck
if LCode = 15 then Specific := '$GETCHECKS'; //GetChecks
if LCode = 16 then Specific := 'GETMNSFILE'; //GetMNsFile
if LCode = 17 then Specific := 'MNFILE'; //MNFile
if LCode = 18 then Specific := 'GETHEADUPDATE '+MyLastBlock.ToString; //GetHeadUpdate
if LCode = 19 then Specific := 'HEADUPDATE'; //HeadUpdate
if LCode = 20 then Specific := '$GETGVTS'; //GetGVTs
if LCode = 21 then Specific := '$SNDGVT ';
if LCode = 30 then Specific := 'GETCFGDATA'; //GetCFG
if LCode = 31 then Specific := 'SETCFGDATA $'; //SETCFG
if LCode = 32 then Specific := '$GETPSOS'; //GetPSOs
Result := Header+Specific;
End;
Procedure ProcessPing(LineaDeTexto: string; Slot: integer; Responder:boolean);
var
NewData : Tconectiondata;
Begin
NewData := GetConexIndex(Slot);
NewData.Autentic := true;
NewData.Protocol := StrToIntDef(Parameter(LineaDeTexto,1),0);
NewData.Version := Parameter(LineaDeTexto,2);
NewData.offset := StrToInt64Def(Parameter(LineaDeTexto,3),UTCTime)-UTCTime;
NewData.Connections := StrToIntDef(Parameter(LineaDeTexto,5),0);
NewData.Lastblock := Parameter(LineaDeTexto,6);
NewData.LastblockHash := Parameter(LineaDeTexto,7);
NewData.SumarioHash := Parameter(LineaDeTexto,8);
NewData.Pending := StrToIntDef(Parameter(LineaDeTexto,9),0);
NewData.ResumenHash := Parameter(LineaDeTexto,10);
NewData.ConexStatus := StrToIntDef(Parameter(LineaDeTexto,11),0);
NewData.ListeningPort := StrToIntDef(Parameter(LineaDeTexto,12),-1);
NewData.MNsHash := Parameter(LineaDeTexto,13);
NewData.MNsCount := StrToIntDef(Parameter(LineaDeTexto,14),0);
NewData.BestHashDiff := 'null'{15};
NewData.MNChecksCount := StrToIntDef(Parameter(LineaDeTexto,16),0);
NewData.lastping := UTCTimeStr;
NewData.GVTsHash := Parameter(LineaDeTexto,17);
NewData.CFGHash := Parameter(LineaDeTexto,18);
NewData.PSOHash := Parameter(LineaDeTexto,19);;
NewData.MerkleHash := HashMD5String(NewData.Lastblock+copy(NewData.ResumenHash,0,5)+copy(NewData.MNsHash,0,5)+
copy(NewData.LastblockHash,0,5)+copy(NewData.SumarioHash,0,5)+
copy(NewData.GVTsHash,0,5)+copy(NewData.CFGHash,0,5));
SetConexIndex(Slot,NewData);
if responder then
begin
TextToSlot(slot,ProtocolLine(4));
end;
End;
Procedure ProcessIncomingLine(FSlot:integer;LLine:String);
var
Protocol, PeerVersion, PeerTime, Command : string;
Begin
Protocol := Parameter(LLine,1);
PeerVersion := Parameter(LLine,2);
PeerTime := Parameter(LLine,3);
Command := ProCommand(LLine);
if ((not IsValidProtocol(LLine)) and (not GetConexIndex(FSlot).Autentic)) then
begin
UpdateBotData(GetConexIndex(Fslot).ip);
CloseSlot(FSlot);
end
else if UpperCase(LLine) = 'DUPLICATED' then CloseSlot(FSlot)
else if Copy(UpperCase(LLine),1,10) = 'OLDVERSION' then CloseSlot(FSlot)
else if Command = '$PING' then ProcessPing(LLine,FSlot,true)
else if Command = '$PONG' then ProcessPing(LLine,FSlot,false)
else if Command = '$GETPENDING' then SendPendingsToPeer(FSlot)
End;
Procedure SendMNsListToPeer(slot:integer);
var
DataArray : array of string;
counter : integer;
Begin
if FillMnsListArray(DataArray) then
begin
for counter := 0 to length(DataArray)-1 do
TextToSlot(slot,GetPTCEcn+'$MNREPO '+DataArray[counter]);
end;
End;
Procedure SendMNChecksToPeer(Slot:integer);
var
Counter : integer;
Texto : string;
Begin
if GetMNsChecksCount>0 then
begin
EnterCriticalSection(CSMNsChecks);
for counter := 0 to length(ArrMNChecks)-1 do
begin
Texto := ProtocolLine(14)+GetStringFromMNCheck(ArrMNChecks[counter]);
TextToSlot(slot,Texto);
end;
LeaveCriticalSection(CSMNsChecks);
end;
End;
Function GetVerificationMNLine(ToIp:String):String;
Begin
if IsAllSynced=0 then
begin
Result := 'True '+GetSyncTus+' '+LocalMN_Funds+' '+ToIp+' '+LocalMN_Sign;
Inc(G_MNVerifications);
end
else Result := 'False';
End;
Function IsAllSynced():integer;
Begin
result := 0;
if MyLastBlock <> StrToIntDef(GetConsensus(cLastBlock),0) then result := 1;
if MyLastBlockHash <> GetConsensus(cLBHash) then result := 2;
if Copy(MySumarioHash,0,5) <> GetConsensus(cSumHash) then result := 3;
if Copy(GetResumenHash,0,5) <> GetConsensus(cHeaders) then result := 4;
{
if Copy(GetMNsHash,1,5) <> NetMNsHash.value then result := 5;
if MyGVTsHash <> NetGVTSHash.Value then result := 6;
if MyCFGHash <> NETCFGHash.Value then result := 7;
}
End;
Function GetSyncTus():String;
Begin
result := '';
TRY
Result := MyLastBlock.ToString+Copy(GetResumenHash,1,3)+Copy(MySumarioHash,1,3)+Copy(MyLastBlockHash,1,3);
EXCEPT ON E:EXCEPTION do
begin
ToDeepDeb('NosoNetwork,GetSyncTus,'+e.Message);
end;
END; {TRY}
End;
{$ENDREGION Protocol}
{$REGION ArrayOutgoing}
Procedure ClearOutTextToSlot(slot:integer);
Begin
EnterCriticalSection(CSOutGoingArr[slot]);
SetLength(ArrayOutgoing[slot],0);
LeaveCriticalSection(CSOutGoingArr[slot]);
End;
Function GetTextToSlot(slot:integer):string;
Begin
result := '';
if ( (Slot>=1) and (slot<=MaxConecciones) ) then
begin
EnterCriticalSection(CSOutGoingArr[slot]);
if length(ArrayOutgoing[slot])>0 then
begin
result:= ArrayOutgoing[slot][0];
Delete(ArrayOutgoing[slot],0,1);
end;
LeaveCriticalSection(CSOutGoingArr[slot]);
end;
End;
Procedure TextToSlot(Slot:integer;LText:String);
Begin
if ( (Slot >= 1) and (Slot <=99) ) then
begin
EnterCriticalSection(CSOutGoingArr[slot]);
Insert(LText,ArrayOutgoing[slot],length(ArrayOutgoing[slot]));
LeaveCriticalSection(CSOutGoingArr[slot]);
end;
End;
{$ENDREGION ArrayOutgoing}
{$REGION Conexiones control}
Function GetConexIndex(Slot:integer): Tconectiondata;
Begin
if ( (slot < 1) or (Slot > MaxConecciones) ) then result := Default(Tconectiondata);
EnterCriticalSection(CSConexiones);
Result := Conexiones[Slot];
LeaveCriticalSection(CSConexiones);
End;
Procedure SetConexIndex(Slot: integer; LData:Tconectiondata);
Begin
if ( (slot < 1) or (Slot > MaxConecciones) ) then exit;
EnterCriticalSection(CSConexiones);
Conexiones[Slot] := LData;
LeaveCriticalSection(CSConexiones);
End;
Procedure SetConexIndexBusy(LSlot:integer;value:Boolean);
Begin
if ( (Lslot < 1) or (LSlot > MaxConecciones) ) then exit;
EnterCriticalSection(CSConexiones);
Conexiones[LSlot].IsBusy := value;
LeaveCriticalSection(CSConexiones);
End;
Procedure SetConexIndexLastPing(LSlot:integer;value:string);
Begin
if ( (Lslot < 1) or (LSlot > MaxConecciones) ) then exit;
EnterCriticalSection(CSConexiones);
Conexiones[LSlot].lastping := value;
LeaveCriticalSection(CSConexiones);
End;
procedure SetConexReserved(LSlot:Integer;Reserved:boolean);
var
ToShow : string = '';
Begin
if ( (Lslot < 1) or (LSlot > MaxConecciones) ) then exit;
if reserved then ToShow := 'RES';
EnterCriticalSection(CSConexiones);
Conexiones[LSlot].tipo := ToShow;
LeaveCriticalSection(CSConexiones);
End;
procedure StartConexThread(LSlot:Integer);
Begin
if ( (Lslot < 1) or (LSlot > MaxConecciones) ) then exit;
EnterCriticalSection(CSConexiones);
Conexiones[Lslot].Thread := TThreadClientRead.Create(true, Lslot);
Conexiones[Lslot].Thread.FreeOnTerminate:=true;
Conexiones[Lslot].Thread.Start;
LeaveCriticalSection(CSConexiones);
End;
Procedure CloseSlot(Slot:integer);
Begin
if ( (slot < 1) or (Slot > MaxConecciones) ) then exit;
BeginPerformance('CloseSlot');
TRY
if GetConexIndex(Slot).tipo='CLI' then
begin
ClearIncoming(slot);
GetConexIndex(Slot).context.Connection.Disconnect;
Sleep(10);
end;
if GetConexIndex(Slot).tipo='SER' then
begin
ClearIncoming(slot);
CanalCliente[Slot].IOHandler.InputBuffer.Clear;
CanalCliente[Slot].Disconnect;
end;
EXCEPT on E:Exception do
ToDeepDeb('NosoNetwork,CloseSlot,'+E.Message);
END;{Try}
SetConexIndex(Slot,Default(Tconectiondata));
EndPerformance('CloseSlot');
End;
function GetTotalConexiones():integer;
var
counter:integer;
Begin
BeginPerformance('GetTotalConexiones');
result := 0;
for counter := 1 to MaxConecciones do
if IsSlotConnected(Counter) then Inc(result);
EndPerformance('GetTotalConexiones');
End;
Function IsSlotConnected(number:integer):Boolean;
Begin
result := false;
if ( (number < 1) or (number > MaxConecciones) ) then exit;
if ((GetConexIndex(number).tipo = 'SER') or (GetConexIndex(number).tipo = 'CLI')) then result := true;
End;
{$ENDREGION Conexiones control}
{$REGION General Data}
// Updates local data hashes
Procedure UpdateMyData();
Begin
MyLastBlockHash := HashMD5File(BlockDirectory+IntToStr(MyLastBlock)+'.blk');
LastBlockData := LoadBlockDataHeader(MyLastBlock);
SetResumenHash;
if GetResumenHash = GetConsensus(5) then
ForceCompleteHeadersDownload := false;
//MyMNsHash := HashMD5File(MasterNodesFilename);
//MyCFGHash := Copy(HAshMD5String(GetCFGDataStr),1,5);
End;
Function IsValidator(Ip:String):boolean;
Begin
result := false;
if IsSeedNode(IP) then result := true;
End;
// Verify if a validation report is correct
Function ValidateMNCheck(Linea:String):string;
var
CheckData : TMNCheck;
StartPos : integer;
ReportInfo : String;
ErrorCode : integer = 0;
Begin
Result := '';
StartPos := Pos('$',Linea);
ReportInfo := copy (Linea,StartPos,length(Linea));
CheckData := GetMNCheckFromString(Linea);
if MnsCheckExists(CheckData.ValidatorIP) then exit;
if not IsValidator(CheckData.ValidatorIP) then ErrorCode := 1;
if CheckData.Block <> MyLastBlock then ErrorCode := 2;
if GetAddressFromPublicKey(CheckData.PubKey)<>CheckData.SignAddress then ErrorCode := 3;
if not VerifySignedString(CheckData.ValidNodes,CheckData.Signature,CheckData.PubKey) then ErrorCode := 4;
if ErrorCode = 0 then
begin
Result := ReportInfo;
AddMNCheck(CheckData);
//if form1.Server.Active then
// outGOingMsjsAdd(GetPTCEcn+ReportInfo);
end
End;
{$ENDREGION General Data}
{$REGION Node Server}
Procedure InitNodeServer();
Begin
NodeServer := TIdTCPServer.Create(nil);
NodeServer.DefaultPort:=8080;
NodeServer.Active:=false;
NodeServer.UseNagle:=true;
NodeServer.TerminateWaitTime:=10000;
NodeServer.OnExecute:=@NodeServerEvents.OnExecute;
NodeServer.OnConnect:=@NodeServerEvents.OnConnect;
NodeServer.OnDisconnect:=@form1.IdTCPServer1Disconnect;
NodeServer.OnException:=@Form1.IdTCPServer1Exception;
End;
// returns the number of active connections
function ClientsCount : Integer ;
var
Clients : TList;
Begin
Clients:= Nodeserver.Contexts.LockList;
TRY
Result := Clients.Count ;
EXCEPT ON E:Exception do
ToDeepDeb('NosoNetwork,ClientsCount,'+E.Message);
END; {TRY}
Nodeserver.Contexts.UnlockList;
End ;
// Try message to client safely
Function TryMessageToClient(AContext: TIdContext;message:string):boolean;
Begin
result := true;
TRY
Acontext.Connection.IOHandler.WriteLn(message);
EXCEPT on E:Exception do
begin
result := false
end;
END;{Try}
End;
// Get stream from client
Function GetStreamFromClient(AContext: TIdContext;out LStream:TMemoryStream):boolean;
Begin
result := false;
LStream.Clear;
TRY
AContext.Connection.IOHandler.ReadStream(LStream);
Result := True;
EXCEPT on E:Exception do
ToDeepDeb('NosoNetwork,GetStreamFromClient,'+E.Message);
END;
End;
// Trys to close a server connection safely
Procedure TryCloseServerConnection(AContext: TIdContext; closemsg:string='');
Begin
TRY
if closemsg <>'' then
Acontext.Connection.IOHandler.WriteLn(closemsg);
AContext.Connection.Disconnect();
Acontext.Connection.IOHandler.InputBuffer.Clear;
EXCEPT on E:Exception do
ToDeepDeb('NosoNetwork,TryCloseServerConnection,'+E.Message);
END; {TRY}
End;
Class Procedure NodeServerEvents.OnExecute(AContext: TIdContext);
var
LLine : String = '';
IPUser : String = '';
slot : integer = 0;
UpdateZipName : String = ''; UpdateVersion : String = ''; UpdateHash:string ='';
UpdateClavePublica :string ='';UpdateFirma : string = '';
MemStream : TMemoryStream;
BlockZipName: string = '';
GetFileOk : boolean = false;
GoAhead : boolean;
NextLines : array of string;
LineToSend : string;
LinesSent : integer = 0;
FTPTime, FTPSize, FTPSpeed : int64;
Begin
{
GoAhead := true;
IPUser := AContext.Connection.Socket.Binding.PeerIP;
slot := GetSlotFromIP(IPUser);
REPEAT
LineToSend := GetTextToSlot(slot);
if LineToSend <> '' then
begin
TryMessageToNode(AContext,LineToSend);
Inc(LinesSent);
end;
UNTIL LineToSend='' ;
if LinesSent >0 then exit;
if slot = 0 then
begin
TryCloseServerConnection(AContext);
exit;
end;
if ( (MyConStatus <3) and (not IsSeedNode(IPUser)) ) then
begin
TryCloseServerConnection(AContext,'Closing NODE');
exit;
end;
TRY
LLine := AContext.Connection.IOHandler.ReadLn(IndyTextEncoding_UTF8);
EXCEPT on E:Exception do
begin
TryCloseServerConnection(AContext);
ToLog('exceps',FormatDateTime('dd mm YYYY HH:MM:SS.zzz', Now)+' -> '+format(rs0045,[IPUser,E.Message]));
GoAhead := false;
end;
END{Try};
if GoAhead then
begin
SetConexIndexBusy(Slot,true);
if Parameter(LLine,0) = 'RESUMENFILE' then
begin
MemStream := TMemoryStream.Create;
DownloadHeaders := true;
TRY
AContext.Connection.IOHandler.ReadStream(MemStream);
GetFileOk := true;
EXCEPT ON E:EXCEPTION do
begin
TryCloseServerConnection(AContext);
GetFileOk := false;
end;
END; {TRY}
if GetfileOk then
begin
if SaveStreamAsHeaders(MemStream) then
ToLog('console',Format(rs0047,[copy(HashMD5File(ResumenFilename),1,5)]));//'Headers file received'
end;
UpdateMyData();
LastTimeRequestResumen := 0;
DownloadHeaders := false;
MemStream.Free;
end // END GET RESUMEN FILE
else if LLine = 'BLOCKZIP' then
begin
BlockZipName := BlockDirectory+'blocks.zip';
TryDeleteFile(BlockZipName);
MemStream := TMemoryStream.Create;
DownLoadBlocks := true;
TRY
AContext.Connection.IOHandler.ReadStream(MemStream);
MemStream.SaveToFile(BlockZipName);
GetFileOk := true;
EXCEPT ON E:Exception do
begin
GetFileOk := false;
TryCloseServerConnection(AContext);
end;
END; {TRY}
if GetFileOk then
begin
if UnzipFile(BlockDirectory+'blocks.zip',true) then
begin
MyLastBlock := GetMyLastUpdatedBlock();
LastTimeRequestBlock := 0;
ToLog('events',TimeToStr(now)+format(rs0021,[IntToStr(MyLastBlock)])); //'Blocks received up to '+IntToStr(MyLastBlock));
end
end;
MemStream.Free;
DownLoadBlocks := false;
end
else if parameter(LLine,4) = '$GETRESUMEN' then
begin
AddFileProcess('Send','Headers',IPUser,GetTickCount64);
MemStream := TMemoryStream.Create;
FTPSize := GetHeadersAsMemStream(MemStream);
if FTPSize>0 then
begin
TRY
Acontext.Connection.IOHandler.WriteLn('RESUMENFILE');
Acontext.connection.IOHandler.Write(MemStream,0,true);
EXCEPT on E:Exception do
begin
Form1.TryCloseServerConnection(GetConexIndex(Slot).context);
ToLog('exceps',FormatDateTime('dd mm YYYY HH:MM:SS.zzz', Now)+' -> '+Format(rs0051,[E.Message]));
end;
END; {TRY}
end;
MemStream.Free;
FTPTime := CloseFileProcess('Send','Headers',IPUser,GetTickCount64);
FTPSpeed := (FTPSize div FTPTime);
ToLog('nodeftp','Uploaded headers to '+IPUser+' at '+FTPSpeed.ToString+' kb/s');
end
else if parameter(LLine,4) = '$GETSUMARY' then
begin
AddFileProcess('Send','Summary',IPUser,GetTickCount64);
MemStream := TMemoryStream.Create;
FTPSize := GetSummaryAsMemStream(MemStream);
if FTPSize>0 then
begin
TRY
Acontext.Connection.IOHandler.WriteLn('SUMARYFILE');
Acontext.connection.IOHandler.Write(MemStream,0,true);
EXCEPT on E:Exception do
END; {TRY}
end;
MemStream.Free;
FTPTime := CloseFileProcess('Send','Summary',IPUser,GetTickCount64);
FTPSpeed := (FTPSize div FTPTime);
ToLog('nodeftp','Uploaded Summary to '+IPUser+' at '+FTPSpeed.ToString+' kb/s');
end
else if parameter(LLine,4) = '$GETPSOS' then
begin
AddFileProcess('Send','PSOs',IPUser,GetTickCount64);
MemStream := TMemoryStream.Create;
FTPSize := GetPSOsAsMemStream(MemStream);
if FTPSize>0 then
begin
TRY
Acontext.Connection.IOHandler.WriteLn('PSOSFILE');
Acontext.connection.IOHandler.Write(MemStream,0,true);
EXCEPT on E:Exception do
END; {TRY}
end;
MemStream.Free;
FTPTime := CloseFileProcess('Send','PSOs',IPUser,GetTickCount64);
FTPSpeed := (FTPSize div FTPTime);
ToLog('nodeftp','Uploaded PSOs to '+IPUser+' at '+FTPSpeed.ToString+' kb/s');
end
else if parameter(LLine,4) = '$LASTBLOCK' then
begin // START SENDING BLOCKS
AddFileProcess('Send','Blocks',IPUser,GetTickCount64);
BlockZipName := CreateZipBlockfile(StrToIntDef(parameter(LLine,5),0));
if BlockZipName <> '' then
begin
MemStream := TMemoryStream.Create;
TRY
MemStream.LoadFromFile(BlockZipName);
GetFileOk := true;
EXCEPT ON E:Exception do
begin
GetFileOk := false;
end;
END; {TRY}
FTPSize := MemStream.Size;
If GetFileOk then
begin
TRY
Acontext.Connection.IOHandler.WriteLn('BLOCKZIP');
Acontext.connection.IOHandler.Write(MemStream,0,true);
ToLog('events',TimeToStr(now)+Format(rs0052,[IPUser,BlockZipName])); //SERVER: BlockZip send to '+IPUser+':'+BlockZipName);
EXCEPT ON E:Exception do
begin
Form1.TryCloseServerConnection(GetConexIndex(Slot).context);
//ToLog('exceps',FormatDateTime('dd mm YYYY HH:MM:SS.zzz', Now)+' -> '+Format(rs0053,[E.Message])); //'SERVER: Error sending ZIP blocks file ('+E.Message+')');
end
END; {TRY}
end;
MemStream.Free;
FTPTime := CloseFileProcess('Send','Blocks',IPUser,GetTickCount64);
FTPSpeed := (FTPSize div FTPTime);
ToLog('nodeftp','Uploaded Blocks to '+IPUser+' at '+FTPSpeed.ToString+' kb/s');
Trydeletefile(BlockZipName); // safe function to delete files
end
end // END SENDING BLOCKS
else if parameter(LLine,4) = '$GETGVTS' then
begin
AddFileProcess('Send','GVTs',IPUser,GetTickCount64);
MemStream := TMemoryStream.Create;
FTPSize := GetGVTsAsStream(MemStream);
if FTPSize>0 then
begin
TRY
Acontext.Connection.IOHandler.WriteLn('GVTSFILE');
Acontext.connection.IOHandler.Write(MemStream,0,true);
EXCEPT on E:Exception do
END; {TRY}
end;
MemStream.Free;