Add dummy server for testing
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parent
21e2aefbe8
commit
478b393917
18
Dockerfile
18
Dockerfile
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@ -8,24 +8,12 @@ COPY ./go.mod /app
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COPY ./go.sum /app
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RUN go build -o /app/main /app/src/main.go
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RUN go build -o /app/cmd /app/src/cmd.go
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RUN go build -o /app/cmd /app/src/cmd/cmd.go
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FROM openjdk:$VERSION
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ENV MIN_MEM=512M
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ENV MAX_MEM=1G
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ENV STOP="stop"
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ENV JAR=server.jar
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ENV REGEX=""
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FROM debian
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COPY --from=builder /app/main /main
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COPY --from=builder /app/cmd /usr/local/bin/cmd
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EXPOSE 25565
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VOLUME [ "/server" ]
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WORKDIR /server
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EXPOSE 8081
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CMD [ "/main" ]
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@ -1,20 +1,13 @@
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version: '3.7'
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services:
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minecraft:
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image: magmise/minecraft:latest
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container_name: minecraft
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dummy:
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image: magmise/dummy
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container_name: dummy
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build: .
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restart: unless-stopped
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environment:
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MIN_MEM: 1G
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MAX_MEM: 1G
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STOP: stop
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JAR: server.jar
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REGEX: "Preparing spawn area:"
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ports:
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- 25565:25565
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volumes:
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- ./server/:/server
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stdin_open: true
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tty: true
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ports:
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- 8081:8081
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@ -1,5 +0,0 @@
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#!/bin/bash
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mkdir server
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wget https://launcher.mojang.com/v1/objects/35139deedbd5182953cf1caa23835da59ca3d7cd/server.jar -O server/server.jar
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echo eula=true > server/eula.txt
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15
go.mod
15
go.mod
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@ -1,14 +1,5 @@
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module minecrafttty
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module dummy
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go 1.15
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go 1.17
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require (
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github.com/creack/pty v1.1.11
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github.com/gorilla/mux v1.8.0
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github.com/gorilla/websocket v1.4.2
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github.com/hpcloud/tail v1.0.0
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github.com/kr/pty v1.1.8
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github.com/sirupsen/logrus v1.6.0
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gopkg.in/fsnotify.v1 v1.4.7 // indirect
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gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
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)
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require github.com/creack/pty v1.1.17
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25
go.sum
25
go.sum
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@ -1,23 +1,2 @@
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github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
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github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
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github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
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github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
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github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
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github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
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github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
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github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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github.com/kr/pty v1.1.8 h1:AkaSdXYQOWeaO3neb8EM634ahkXXe3jYbVh/F9lq+GI=
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github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/sirupsen/logrus v1.6.0 h1:UBcNElsrwanuuMsnGSlYmtmgbb23qDR5dG+6X6Oo89I=
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github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
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github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
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golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
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gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
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gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
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gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
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github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
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github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
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102
src/main.go
102
src/main.go
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@ -4,17 +4,12 @@ import (
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"bufio"
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"fmt"
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"io"
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"log"
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"net"
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"os"
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"os/exec"
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"os/signal"
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"strings"
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"syscall"
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"log"
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"regexp"
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"bytes"
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"github.com/creack/pty"
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"time"
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)
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func main() {
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@ -22,67 +17,10 @@ func main() {
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGTERM)
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//get environmental variables
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var minram, maxram, args, stop, jar, regex string
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for _, e := range os.Environ() {
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pair := strings.SplitN(e, "=", 2)
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switch pair[0] {
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case "MIN_MEM":
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minram = "-Xms" + pair[1]
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case "MAX_MEM":
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maxram = "-Xmx" + pair[1]
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case "ARGS":
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args = pair[1]
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case "STOP":
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stop = pair[1]
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case "JAR":
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jar = pair[1]
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case "REGEX":
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regex = pair[1]
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}
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}
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//create command
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var cmdversion *exec.Cmd
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cmdversion = exec.Command("java", "--version")
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var out bytes.Buffer
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cmdversion.Stdout = &out
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cmdversion.Run()
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log.Println(out.String())
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log.Printf("Ram: Min: %s Max: %s Stop: %s Jar: %s\n\r", minram, maxram, stop, jar)
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//check if there is a server jar
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if _, err := os.Stat("/server/"+jar); os.IsNotExist(err) {
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log.Println("\033[31mJar \"" + jar + "\" not found\033[0m")
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os.Exit(1)
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}
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var cmd *exec.Cmd
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if args == "" {
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cmd = exec.Command("java", minram, maxram, "-jar", jar)
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} else {
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cmd = exec.Command("java", minram, maxram, args, "-jar", jar)
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log.Printf("Args: %s \n\r", args)
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}
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//start server
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cmd.Dir = "/server"
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tty, err := pty.Start(cmd)
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if err != nil {
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panic(err)
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}
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ln, _ := net.Listen("tcp", ":8081")
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//cleanup
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defer func() {
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cmd.Process.Kill()
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cmd.Process.Wait()
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tty.Close()
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ln.Close()
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}()
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@ -91,7 +29,7 @@ func main() {
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sig := <-sigs
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if sig == syscall.SIGTERM {
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fmt.Println("\033[31mStopping server\033[0m")
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tty.WriteString(stop + "\n\r")
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os.Exit(0)
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}
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}()
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@ -104,39 +42,25 @@ func main() {
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if err != nil {
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continue
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}
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go handleClient(conn, tty)
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}
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}()
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//copy to standard out. If the the is a regex pattern, do output anything that matches
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go func() {
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filter := regexp.MustCompile(regex)
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if(regex != "") {
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scanner := bufio.NewScanner(tty)
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for scanner.Scan() {
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text := scanner.Text()
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if(!filter.MatchString(text)) {
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fmt.Println(text)
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}
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}
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} else { //don't filter
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io.Copy(os.Stdout, tty)
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go handleClient(conn)
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}
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}()
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//copy stdin
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go func() {
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io.Copy(tty, os.Stdin)
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io.Copy(os.Stdout, os.Stdin)
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}()
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cmd.Wait() //wait for server to stop
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tty.Write([]byte("\033[31mServer Stopped\033[0m"))
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os.Exit(0)
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i := 0
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for {
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fmt.Printf("Hello %d \n", i)
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i += 1
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time.Sleep(time.Second)
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}
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}
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//take commands from cmd.go and send it to sdtin of the server
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func handleClient(conn net.Conn, tty *os.File) {
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func handleClient(conn net.Conn) {
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defer conn.Close()
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cmd, _ := bufio.NewReader(conn).ReadString('\n')
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tty.Write([]byte(cmd))
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fmt.Println(cmd)
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}
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