add tcpclient.go

1 files changed, 39 insertions, 0 deletions

diff --git a/internal/client/tcpclient.go b/internal/client/tcpclient.go
new file mode 100644
index 0000000..356d259
--- /dev/null
+++ b/internal/client/tcpclient.go
@@ -0,0 +1,39 @@
+package client
+
+import (
+	"context"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"strings"
+)
+
+func tcpClientRun(ctx context.Context, node string, ch <-chan []string) error {
+	conn, err := net.Dial("tcp", node)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	for {
+		votes, ok := <-ch
+		if !ok {
+			return fmt.Errorf("channel closed - breaking tcpClientRun loop")
+		}
+
+		message := strings.Join(votes, " ")
+		log.Println(packageStr, "sending", message, "to node", node)
+		_, err = conn.Write([]byte(message))
+		if err != nil {
+			return err
+		}
+
+		response, err := ioutil.ReadAll(conn)
+		if err != nil {
+			return err
+		}
+
+		log.Println(packageStr, "received", string(response), "from node", node)
+	}
+}