91 lines
1.8 KiB
Go
91 lines
1.8 KiB
Go
package net
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import (
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"cimeyclust.com/steel/pkg/cmd"
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"context"
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"fmt"
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"net"
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"time"
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)
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// Start Starts the TCP server on the specified address.
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func Run(baseCtx context.Context, addr string) {
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ctx, cancel := context.WithCancel(baseCtx)
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defer cancel()
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// Start listening on the specified address
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listener, err := net.Listen("tcp", addr)
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if err != nil {
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cmd.Logger.Error("Error starting TCP server: %v")
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return
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}
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// Close the listener when the application closes.
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defer listener.Close()
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cmd.Logger.Info(fmt.Sprintf("Listening on %s", addr))
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// var wg sync.WaitGroup
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go func() {
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for {
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// Print test every second
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select {
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case <-ctx.Done():
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return
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default:
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cmd.Logger.Info("Test")
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}
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time.Sleep(1 * time.Second)
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}
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}()
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// Listen for an incoming connection in a goroutine.
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go func() {
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go func() {
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// Waiting for the context to be done
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<-ctx.Done()
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// Waiting for the listener to be closed, so the port is safely released
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listener.Close()
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}()
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for {
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conn, err := listener.Accept()
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if err != nil {
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select {
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case <-ctx.Done():
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return
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default:
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cmd.Logger.Error(fmt.Sprintf("Error while accepting conn: %v", err))
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}
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continue
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}
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// Handle connections in a new goroutine.
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go handleRequest(conn)
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}
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}()
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// Wait for all components to finish
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<-ctx.Done()
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}
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// handleRequest handles incoming requests.
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func handleRequest(conn net.Conn) {
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// Close the connection when you're done with it.
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defer conn.Close()
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// Make a buffer to hold incoming data.
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buf := make([]byte, 1024)
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// Read the incoming connection into the buffer.
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_, err := conn.Read(buf)
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if err != nil {
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cmd.Logger.Error(fmt.Sprintf("Error reading: %v", err))
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return
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}
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// Send a response back to person contacting us.
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conn.Write([]byte("Hello, World!\n"))
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}
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