txmlconnector

Description

gRPC interface around TransaqConnector to be able to connect from different languages via TCP (remote procedure call) and linux as well

Service proto description

syntax = "proto3";

option go_package = "github.com/lebedev_k/txmlconnector";

package transaqConnector;

message DataRequest {
}

message DataResponse {
  string message = 1;
}

message SendCommandRequest {
  string message = 1;
}

message SendCommandResponse {
  string message = 1;
}

service ConnectService {
  rpc FetchResponseData(DataRequest) returns (stream DataResponse) {}
  rpc SendCommand(SendCommandRequest) returns (SendCommandResponse) {}
}

Starting server in docker

docker run -p 50051:50051 kmlebedev/txmlconnector server

Start server and client

docker compose -f docker/txmlconnector-compose.yaml -p txmlconnector up

Starting server in Linux/MacOSX

Requirements

MacOSX

brew install mingw-w64 
brew cask install wine-stable

Debian/Ubintu

sudo apt install wine64

Set environment variables

export TC_LOG_LEVEL=debug
export TC_DLL_PATH=txmlconnector64-6.32.2.21.23.dll

Example output:

make server
CGO_ENABLED=1 CC="x86_64-w64-mingw32-gcc" GOOS=windows GOARCH=amd64 go build -ldflags "-s -w" -o bin/server.exe server/main.go
wine64 bin/server.exe
00ea:fixme:process:SetProcessPriorityBoost (FFFFFFFFFFFFFFFF,1): stub
time="2020-12-17T20:57:01+05:00" level=info msg="Initialize txmlconnector"
InitCrashHandler: Z:\Users\kmlebedev\go\src\txmlconnector\bin\server-201217-205701.mdmp
00f0:fixme:ver:GetCurrentPackageId (0x29d5fd90 0x0): stub
time="2020-12-17T20:57:01+05:00" level=info msg="Server running ..."
00ea:fixme:winsock:set_dont_fragment IP_DONTFRAGMENT for IPv4 not supported in this platform
00ea:fixme:winsock:set_dont_fragment IP_DONTFRAGMENT for IPv6 not supported in this platform
time="2020-12-17T20:57:01+05:00" level=info msg="Press CRTL+C to stop the server..."

Starting client in Linux/MacOSX

Set environment variables

TRANSAQ Connector request access to demo account

export TC_LOGIN="TCNN9979"
export TC_PASSWORD="n3Z4W4"
export TC_HOST="tr1-demo5.finam.ru"
export TC_PORT="3939"
export TC_LOG_LEVEL="DEBUG"

Example output:

make client
go build -ldflags "-s -w" -o bin/client client/main.go
bin/client
INFO[0000] Client running ...                           
INFO[0001] res <result success="true"/> 

Example apps

Clickhouse-exporter

Historical Moscow Exchange stock quote prices exporting to clickhouse server through transaq

Starting

docker-compose -f docker/transaq-clickhouse-exporter-compose.yaml -p transaq up

Links

• TXmlConnector last(2.21.21) version
• TRANSAQ Connector Forum
• TransaqConnector Linux Finam Forum
• TransaqGrpcWrapper
• Creating a simplegRPC client and server application with Golang
• Using Go to call Windows API
• How to Set Up gRPC Server-Side Streaming with Go
• BB
• https://iqsignal.net/coint
• https://www.gonum.org/post/intro_to_gonum/