87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package main
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import "io"
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import "log"
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import "time"
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import "errors"
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import "context"
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import "git.tebibyte.media/sashakoshka/hopp"
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var network = "tcp"
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var addr = "localhost:7959"
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func main() {
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go func() {
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defer log.Println("SERVER closing")
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listener, err := hopp.Listen(network, addr, nil)
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if err != nil { log.Println("SERVER", err); return }
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log.Println("SERVER listening")
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conn, err := listener.Accept()
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if err != nil { log.Println("SERVER", err); return }
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defer conn.Close()
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trans, err := conn.AcceptTrans()
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if err != nil { log.Println("SERVER", err); return }
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defer trans.Close()
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for {
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method, data, err := trans.Receive()
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if err != nil { log.Println("SERVER", err); return }
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log.Println("SERVER got", method, data)
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log.Println("SERVER send", method, data)
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err = trans.Send(1, data[:])
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if err != nil { log.Println("SERVER", err); return }
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}
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}()
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time.Sleep(time.Second * 2)
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func() {
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log.Println("CLIENT dialing")
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conn, err := hopp.Dial(context.Background(), network, addr, nil)
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if err != nil { log.Fatalln("CLIENT", err) }
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log.Println("CLIENT dialed")
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trans, err := conn.OpenTrans()
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if err != nil {
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log.Println("CLIENT", err)
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return
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}
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go func() {
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for {
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method, data, err := trans.Receive()
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if err != nil {
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if !errors.Is(err, io.EOF) {
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log.Printf("CLIENT failed to receive message: %v", err)
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}
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return
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}
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log.Println("CLIENT got", method, data)
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}
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}()
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data := [1]byte { }
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for {
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log.Println("CLIENT send", 1, data)
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err := trans.Send(1, data[:])
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if err != nil {
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log.Println("CLIENT", err)
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return
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}
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data[0] ++
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time.Sleep(time.Second)
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}
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log.Println("CLIENT waiting for connection close...")
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trans, err = conn.AcceptTrans()
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if !errors.Is(err, io.EOF) {
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log.Println("CLIENT wrong error:", err)
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log.Fatalln("CLIENT trans:", trans)
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}
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log.Println("CLIENT DONE")
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conn.Close()
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}()
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}
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