fix file split bugs and sending server:port display error

connect.go

@@ -13,7 +13,7 @@ import (
 	"sync"
 	"time"
 
-	humanize "github.com/dustin/go-humanize"
+	"github.com/dustin/go-humanize"
 	"github.com/schollz/progressbar"
 	"github.com/schollz/tarinator-go"
 

relay.go

@@ -254,7 +254,7 @@ func receiveMessage(connection net.Conn) string {
 		logger.Warn("read deadline, no response")
 		return ""
 	}
-	return strings.Replace(string(messageByte), ":", "", -1)
+	return strings.TrimRight(string(messageByte), ":")
 }
 
 func fillString(retunString string, toLength int) string {

utils.go

@@ -49,38 +49,22 @@ func SplitFile(fileName string, numPieces int) (err error) {
 	}
 
 	bytesPerPiece := int(math.Ceil(float64(fi.Size()) / float64(numPieces)))
-	bytesRead := 0
+
-	i := 0
+	buf := make([]byte, bytesPerPiece)
-	out, err := os.Create(fileName + "." + strconv.Itoa(i))
+	for i := 0; i < numPieces; i++ {
-	if err != nil {
+
-		return err
+		out, err := os.Create(fileName + "." + strconv.Itoa(i))
-	}
+		if err != nil {
-	buf := make([]byte, 4096)
+			return err
-	if bytesPerPiece < 4096/numPieces {
+		}
-		buf = make([]byte, bytesPerPiece)
-	}
-	for {
 		n, err := file.Read(buf)
 		out.Write(buf[:n])
-		// If written bytes count is smaller than lenght of buffer
+		out.Close()
-		// then we don't create one more empty file
+
-		if err == io.EOF || n < len(buf) {
+		if err == io.EOF {
 			break
 		}
-		bytesRead += n
-
-		if bytesRead >= bytesPerPiece {
-			// Close file and open a new one
-			out.Close()
-			i++
-			out, err = os.Create(fileName + "." + strconv.Itoa(i))
-			if err != nil {
-				return err
-			}
-			bytesRead = 0
-		}
 	}
-	out.Close()
 	return nil
 }