47 lines
848 B
Go
47 lines
848 B
Go
package main
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import (
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"bufio"
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"encoding/binary"
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"log"
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"math"
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"net"
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"os"
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)
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const remote_addr = "localhost:30501"
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func main() {
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c, err := net.Dial("tcp", remote_addr)
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if err != nil {
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log.Panic("Error connecting:", err)
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}
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defer c.Close()
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log.Printf("Connected to '%s'. Please input lines\n", remote_addr)
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s := bufio.NewScanner(os.Stdin)
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for s.Scan() {
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msg := []byte(s.Text())
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msg_len := len(msg)
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if msg_len > math.MaxUint32 {
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log.Println("Message too long")
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continue
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}
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len_buf := make([]byte, 4)
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binary.LittleEndian.PutUint32(len_buf, uint32(msg_len))
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if _, err := c.Write(len_buf); err != nil {
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log.Panic("Error sending len:", err)
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}
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if _, err := c.Write(msg); err != nil {
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log.Panic("Error sending payload:", err)
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}
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}
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if err := s.Err(); err != nil {
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log.Println("Error reading:", err)
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}
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}
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