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Discussion of article "A DLL-free solution to communicate between MetaTrader 5 terminals using Named Pipes" - page 2

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Good article. Thanks for sharing it.
habibzadeh:

Hi ,

 It can be implemented in metatrade 4 ?

 

Thanks 

See http://forum.mql4.com/33307
A DLL-free solution to communicate between MetaTrader 4 terminals using Named Pipes - MQL4 forum
  • www.mql5.com
A DLL-free solution to communicate between MetaTrader 4 terminals using Named Pipes - MQL4 forum
angevoyageur:
See http://forum.mql4.com/33307
Thank you for the link.

When I´m trying to create the NamePipe in an Expert (in function OnInit() or OnTick()), I get an "Access Violation Error". After debugging they said me, the error is in the function CreateNamedPipeW

If I create the NamePipe in a script, that works correctly.

What is the problem? 

Hello,

Thanks for your article. I did a similar work on my own EAs. I started to publish post on my blog :http://expertadvisor-blog.com/mirror-ea/

Mirror EA
Mirror EA
  • 2015.03.27
  • expertadvisor
  • expertadvisor-blog.com
One of my friends asked me to make a mirror account EA for him. He wanted to take advantage of bonus deposit with hedging technique. He opened two accounts. Deposit on both. The broker offer him a bonus on his deposit. Open a buy position on account A and sell position on account B at the same price. With this technique, theoretically, the...

very very good .

thank you .

When compiling errors (( I would be grateful for help.

It doesn't work.

if(pipe.Create(account)==true)

The message"Critical error" appears at this point.

Give me a normal example that is relevant now.

I have a 64-bit system and Win8.

MetaQuotes Software Corp.:

New article A DLL-less solution to communicate between MetaTrader 5 clients using named pipes has been released:

Author: investeo

How about the error mean when the server script start?

2018.04.30 19:57:05.680 namedpipeserverbroadcaster (AUDCHF,H1) Access violation at 0x00007FFB01242726 read to 0x0000024200000010
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242690 488BC4 & nbsp; mov rax, rsp
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242693 48895808&nbsp ; mov [rax+0x8], rbx
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242697 48897010&nbsp ; mov [rax+0x10], rsi
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124269B 48897818&nbsp ; mov [rax+0x18], rdi
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124269F 55 &nbsp ; push rbp
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426A0 4156 & nbsp; push r14
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426A2 4157 & nbsp; push r15
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426A4 488D68D8&nbsp ; lea rbp, [rax-0x28]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426A8 4881EC10010000 sub rsp, 0x110
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426AF 488364247000& nbsp; and qword [rsp+0x70], 0x0
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426B5 418D41FF& nbsp ; lea eax, [r9-0x1]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426B9 458BF0 & nbsp; mov r14d, r8d
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426BC 8BDA & nbsp; mov ebx, edx
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426BE 3DFE000000& nbsp; cmp eax, 0xfe
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426C3 0F8730530300& nbsp; ja dword 0x7ffb012779f9
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426C9 4183CFFF&nbsp ; or r15d, 0xff
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426CD 4C8D45C8&nbsp ; lea r8, [rbp-0x38]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426D1 4181F9FF000000 cmp r9d, 0xff
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426D8 488D5588&nbsp ; lea rdx, [rbp-0x78]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426DC 450F45F9&nbsp ; cmovnz r15d, r9d
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426E0 4533C9 & nbsp; xor r9d, r9d
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426E3 FF15875E1000& nbsp; call qword near [rip+0x105e87] ; UnhandledExceptionFilter (kernelbase.dll)
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426E9 84C0 & nbsp; test al, al
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426EB 0F84C1520300& nbsp; jz dword 0x7ffb012779b2
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1)
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426F1 488365A000& nbsp; and qword [rbp-0x60], 0x0
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426F6 488D4588& nbsp ; lea rax, [rbp-0x78]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426FA 488B5568&nbsp ; mov rdx, [rbp+0x68]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB012426FE B940000000& nbsp; mov ecx, 0x40
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242703 488B7D90&nbsp ; mov rdi, [rbp-0x70]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242707 0F57C0 & nbsp; xorps xmm0, xmm0
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124270A C7459830000000 mov dword [rbp-0x68], 0x30
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242711 894DB0 & nbsp; mov [rbp-0x50], ecx
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242714 488945A8&nbsp ; mov [rbp-0x58], rax
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242718 F30F7F45B8& nbsp; movdqu [rbp-0x48], xmm0
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124271D 4885D2 & nbsp; test rdx, rdx
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242720 0F84A7010000& nbsp; jz dword 0x7ffb012428cd
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1)
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) crash --> 00007FFB01242726 837A1000 cmp dword [rdx+0x10], 0x0
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124272A 448D4102&nbsp ; lea r8d, [rcx+0x2]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124272E 488B4208&nbsp ; mov rax, [rdx+0x8]
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242732 410F45C8&nbsp ; cmovnz ecx, r8d
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB01242736 488945B8&nbsp ; mov [rbp-0x48], rax
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124273A 894DB0 & nbsp; mov [rbp-0x50], ecx
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00007FFB0124273D 4885C0 & nbsp; test rax, rax
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1)
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 00: 0x00007FFB01242726
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 01: 0x00000242CAA90CE9
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 02: 0x00000242CAA92120
2018.04.30 19:57:05.685 namedpipeserverbroadcaster (AUDCHF,H1) 03: 0x00000242CAA90034

When using channels there is no need to write data to disc and RAM is used as I understand? I apologise for this question, I just don't know much about it.
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