76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package client
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import (
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"bufio"
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"fmt"
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"net"
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"os"
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"strings"
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)
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// Connect to the chat server
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func connectToServer(address string) (net.Conn, error) {
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conn, err := net.Dial("tcp", address)
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if err != nil {
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return nil, fmt.Errorf("could not connect to server: %v", err)
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}
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return conn, nil
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}
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// Read input from the terminal and send it to the server
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func readInputAndSend(conn net.Conn) {
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reader := bufio.NewReader(os.Stdin)
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for {
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fmt.Print("> ")
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text, _ := reader.ReadString('\n')
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text = strings.TrimSpace(text)
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// Send the command to the server
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_, err := conn.Write([]byte(text + "\n"))
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if err != nil {
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fmt.Println("Error sending message:", err)
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return
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}
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// If the user types 'quit', exit the program
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if text == "quit" {
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fmt.Println("Goodbye!")
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return
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}
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}
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}
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// Listen for incoming messages from the server
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func listenForMessages(conn net.Conn) {
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reader := bufio.NewReader(conn)
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for {
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message, err := reader.ReadString('\n')
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if err != nil {
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fmt.Println("Disconnected from server.")
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return
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}
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fmt.Print(message)
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}
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}
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func main() {
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if len(os.Args) < 2 {
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fmt.Println("Usage: go run client.go <server-address>")
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return
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}
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serverAddress := os.Args[1]
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conn, err := connectToServer(serverAddress)
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if err != nil {
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fmt.Println(err)
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return
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}
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defer conn.Close()
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// Start a goroutine to listen for incoming messages from the server
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go listenForMessages(conn)
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// Read input from the terminal and send it to the server
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readInputAndSend(conn)
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}
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