如何解决无法从 DLL
我尝试使用 glitch100/BinanceDotNet 库在 C# 中从 Binance API 获取总余额，并进行了一些修改（例如将这些数据成员从 private 到 public static)
我的 DLL 的 C# 代码有点像这样：
using System;
using System.Text;
using RGiesecke.DllExport;
using System.Runtime.InteropServices;
using System.Threading;
using System.IO.Pipes;
using System.IO;
using BinanceExchange.API.Client;
namespace BinanceAPIConnectMetaTrader
{
class Program
{
public static string DataServerReturn = null;
[DllExport("APIFetchTotalFreeBalance",CallingConvention = CallingConvention.StdCall)]
public static IntPtr APIFetchTotalFreeBalance(int _AccountType,IntPtr _ApiKey,IntPtr _SecretKey)
{
if (_AccountType == 0)
{
BinanceExchange.API.Endpoints.APIPrefix = "https://api.binance.com/api";
BinanceExchange.API.Endpoints.WAPIPrefix = "https://api.binance.com/wapi";
BinanceExchange.API.Websockets.AbstractBinanceWebSocketClient.BaseWebsocketUri = "wss://stream.binance.com:9443/ws";
BinanceExchange.API.Websockets.AbstractBinanceWebSocketClient.CombinedWebsocketUri = "wss://stream.binance.com:9443/stream?streams";
}
else
{
BinanceExchange.API.Endpoints.APIPrefix = "https://testnet.binance.vision/api";
BinanceExchange.API.Endpoints.WAPIPrefix = "https://testnet.binance.vision/wapi";
BinanceExchange.API.Websockets.AbstractBinanceWebSocketClient.BaseWebsocketUri = "wss://testnet.binance.vision/ws";
BinanceExchange.API.Websockets.AbstractBinanceWebSocketClient.CombinedWebsocketUri = "wss://testnet.binance.vision/stream?streams";
}
decimal total_free_balance = 0.0M;
string apiKey = new MqlString(_ApiKey).Get();
string secretKey = new MqlString(_SecretKey).Get();
//Initialise the general client with config
var client = new BinanceClient(new ClientConfiguration()
{
ApiKey = apiKey,SecretKey = secretKey,});
try
{
client.GetAccountinformation(3500).Result.Balances.ForEach(k =>
{
total_free_balance += k.Free;
});
}
catch (Exception ex)
{
string str = "Exception from dll : " + ex.Message;
return Marshal.StringToHGlobalAuto(str.ToString());
}
IntPtr ret = Marshal.StringToHGlobalAuto(total_free_balance.ToString());
return ret;
}
}
public class StreamString
{
private Stream ioStream;
private UnicodeEncoding streamEncoding;
public StreamString(Stream ioStream)
{
this.ioStream = ioStream;
streamEncoding = new UnicodeEncoding();
}
public string ReadString()
{
int len;
len = ioStream.ReadByte() * 256;
len += ioStream.ReadByte();
byte[] inBuffer = new byte[len];
ioStream.Read(inBuffer,len);
return streamEncoding.GetString(inBuffer);
}
public int WriteString(string outString)
{
byte[] outBuffer = streamEncoding.GetBytes(outString);
int len = outBuffer.Length;
if (len > UInt16.MaxValue)
{
len = (int)UInt16.MaxValue;
}
ioStream.WriteByte((byte)(len / 256));
ioStream.WriteByte((byte)(len & 255));
ioStream.Write(outBuffer,len);
ioStream.Flush();
return outBuffer.Length + 2;
}
}
class MqlString
{
private readonly IntPtr _pointer;
public MqlString(IntPtr pointer)
{
_pointer = pointer;
}
public string Get()
{
int size;
for (int i = 0; ; i += 2)
{
if (Marshal.ReadByte(_pointer,i) == 0)
{
size = i;
break;
}
}
byte[] bytes = new byte[size];
for (int i = 0; i < size; i++)
{
bytes[i] = Marshal.ReadByte(_pointer,i);
}
return Encoding.Unicode.GetString(bytes);
}
}
}
Total free balance = Exception from dll : One or more errors occurred.
Unhandled exception 0xE0434352
00007FFE51603AC0 4881ECD8000000 sub rsp,0xd8
00007FFE51603AC7 488B0562732200 mov rax,[rip+0x227362]
00007FFE51603ACE 4833C4 xor rax,rsp
00007FFE51603AD1 48898424C0000000 mov [rsp+0xc0],rax
00007FFE51603AD9 488364242800 and qword [rsp+0x28],0x0
00007FFE51603ADF 488D05DAFFFFFF lea rax,[rip-0x26]
00007FFE51603AE6 83E201 and edx,0x1
00007FFE51603AE9 894C2420 mov [rsp+0x20],ecx
00007FFE51603AED 89542424 mov [rsp+0x24],edx
00007FFE51603AF1 4889442430 mov [rsp+0x30],rax
00007FFE51603AF6 4D85C9 test r9,r9
00007FFE51603AF9 744B jz 0x7ffe51603b46
00007FFE51603AFB B80F000000 mov eax,0xf
00007FFE51603B00 488D4C2440 lea rcx,[rsp+0x40]
00007FFE51603B05 443BC0 cmp r8d,eax
00007FFE51603B08 498BD1 mov rdx,r9
00007FFE51603B0B 440F47C0 cmova r8d,eax
00007FFE51603B0F 4489442438 mov [rsp+0x38],r8d
00007FFE51603B14 49C1E003 shl r8,0x3
00007FFE51603B18 E84AD30400 call 0x7ffe51650e67 ; PublisherFromPackageFullName (kernelbase.dll)
00007FFE51603B1D 488D4C2420 lea rcx,[rsp+0x20]
00007FFE51603B22 48FF15FF441600 call qword near [rip+0x1644ff] ; UnhandledExceptionFilter (kernelbase.dll)
crash --> 00007FFE51603B29 0F1F440000 nop [rax+rax+0x0]
00007FFE51603B2E 488B8C24C0000000 mov rcx,[rsp+0xc0]
00007FFE51603B36 4833CC xor rcx,rsp
00007FFE51603B39 E8A25E0400 call 0x7ffe516499e0 ; RemoveDllDirectory (kernelbase.dll)
00007FFE51603B3E 4881C4D8000000 add rsp,0xd8
00007FFE51603B45 C3 ret
00007FFE51603B46 8364243800 and dword [rsp+0x38],0x0
00: 0x00007FFE51603B29
我真的不知道这是什么以及如何解决它。
这段代码是有问题的部分（但是当作为 EXE 构建时它可以正常工作，就像在 glitch100/BinanceDotNet/BinanceExchange.Console/ExampleProgram.cs 的 GitHub 页面中一样）
client.GetAccountinformation(3500).Result.Balances.ForEach(k =>
{
total_free_balance += k.Free;
});
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