47 lines
820 B
Go
47 lines
820 B
Go
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package utils
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import (
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"log"
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"net"
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)
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const ServerType = "tcp"
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var ServerRunning = false
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var client net.Conn
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func Listen(address string) {
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server, err := net.Listen(ServerType, address)
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if err != nil {
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log.Fatal("error in create server ", err)
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}
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defer server.Close()
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log.Println("listen on ", address)
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for ServerRunning {
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conn, err := server.Accept()
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if err != nil {
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ServerRunning = false
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log.Fatalln("error in create connection ", err)
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}
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if client == nil {
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client = conn
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} else {
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log.Println("client already connected, close")
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conn.Close()
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}
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}
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}
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func Write(data string) {
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defer func() {
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client.Close()
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client = nil
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}()
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_, err := client.Write([]byte(data))
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if err != nil {
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log.Println("error in write data to client socket ", err)
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client.Close()
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client = nil
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}
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}
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