125 lines
2.8 KiB
Go
125 lines
2.8 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"io/ioutil"
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"log"
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"net/url"
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"os"
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"os/signal"
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"time"
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"github.com/gorilla/websocket"
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)
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func main() {
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log.Println("Starting client...")
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interrupt := make(chan os.Signal, 1)
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signal.Notify(interrupt, os.Interrupt)
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host := "127.0.0.1:5000"
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langURL := fmt.Sprintf("ws://%s/lang", host)
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cmdURL := fmt.Sprintf("ws://%s/cmd", host)
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debugURL := fmt.Sprintf("ws://%s/debug", host)
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execURL := fmt.Sprintf("ws://%s/", host)
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execConn, err := connectWebSocket(execURL)
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if err != nil {
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log.Fatal("Failed to connect to lang websocket:", err)
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}
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defer execConn.Close()
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langConn, err := connectWebSocket(langURL)
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if err != nil {
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log.Fatal("Failed to connect to lang websocket:", err)
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}
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defer langConn.Close()
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cmdConn, err := connectWebSocket(cmdURL)
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if err != nil {
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log.Fatal("Failed to connect to cmd websocket:", err)
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}
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defer cmdConn.Close()
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debugConn, err := connectWebSocket(debugURL)
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if err != nil {
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log.Fatal("Failed to connect to debug websocket:", err)
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}
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defer debugConn.Close()
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done := make(chan struct{})
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go readMessages(langConn, "lang", done)
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go readMessages(cmdConn, "cmd", done)
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go readMessages(debugConn, "debug", done)
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// Read the contents of source.txt
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sourceFile := "source.txt"
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sourceData, err := ioutil.ReadFile(sourceFile)
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if err != nil {
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log.Fatal("Failed to read source file:", err)
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}
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// create execConn off of / endpoint
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// BLAME COPILOT FOR THIS
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// Send the contents over the lang websocket
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sendSourceData := func() {
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err = execConn.WriteMessage(websocket.TextMessage, sourceData)
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if err != nil {
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log.Fatal("Failed to send source data over lang websocket:", err)
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}
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}
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sendSourceData()
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// Listen for space key press in console
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go func() {
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reader := bufio.NewReader(os.Stdin)
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for {
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char, _, err := reader.ReadRune()
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if err != nil {
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log.Fatal("Failed to read from console:", err)
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}
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if char == ' ' {
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sendSourceData()
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}
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}
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}()
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// Send the contents over the lang websocket
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err = execConn.WriteMessage(websocket.TextMessage, sourceData)
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if err != nil {
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log.Fatal("Failed to send source data over lang websocket:", err)
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}
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<-interrupt
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fmt.Println("Interrupt signal received, closing connections...")
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close(done)
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time.Sleep(1 * time.Second)
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}
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func connectWebSocket(urlStr string) (*websocket.Conn, error) {
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u, err := url.Parse(urlStr)
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if err != nil {
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return nil, err
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}
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conn, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
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if err != nil {
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return nil, err
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}
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return conn, nil
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}
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func readMessages(conn *websocket.Conn, name string, done chan struct{}) {
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for {
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_, message, err := conn.ReadMessage()
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if err != nil {
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log.Println("Error reading message from", name, "websocket:", err)
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return
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}
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fmt.Printf("Received message from %s: %s\n", name, message)
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}
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}
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