Begin development of next release 0.3.0

- update info in package ./version
- update to Go 1.13
- regenerate ./examples/binapi for latest VPP: 19.08.1-release
- clean code in proxy
- refactor Makefile

Change-Id: Ibf5c2682c2f4b3cbbea4aa1e35d3f02175d40a9b
Signed-off-by: Ondrej Fabry <ofabry@cisco.com>

4 files changed, 8 insertions, 6 deletions

diff --git a/proxy/client.go b/proxy/client.go
index 7f92946..6f29c71 100644
--- a/proxy/client.go
+++ b/proxy/client.go
@@ -16,12 +16,12 @@ package proxy
 
 import (
 	"fmt"
-	"git.fd.io/govpp.git/core"
 	"net/rpc"
 	"reflect"
 	"time"
 
 	"git.fd.io/govpp.git/api"
+	"git.fd.io/govpp.git/core"
 )
 
 type Client struct {
diff --git a/proxy/log.go b/proxy/log.go
index 2810528..d53e532 100644
--- a/proxy/log.go
+++ b/proxy/log.go
@@ -1,8 +1,9 @@
 package proxy
 
 import (
-	"github.com/sirupsen/logrus"
 	"os"
+
+	"github.com/sirupsen/logrus"
 )
 
 var (
@@ -27,4 +28,4 @@ func SetLogger(l *logrus.Logger) {
 // SetLogLevel sets global logger level to lvl.
 func SetLogLevel(lvl logrus.Level) {
 	log.Level = lvl
-}
\ No newline at end of file
+}
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 33cf05f..6656ee5 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -83,10 +83,11 @@ func (p *Server) ListenAndServe(addr string) error {
 
 	l, e := net.Listen("tcp", addr)
 	if e != nil {
-		return fmt.Errorf("listen error:", e)
+		return fmt.Errorf("listen failed: %v", e)
 	}
 	defer l.Close()
 
 	log.Printf("proxy serving on: %v", addr)
+
 	return http.Serve(l, nil)
 }
diff --git a/proxy/server.go b/proxy/server.go
index ecb0e8d..472ad16 100644
--- a/proxy/server.go
+++ b/proxy/server.go
@@ -92,7 +92,7 @@ func (s *StatsRPC) watchConnection() {
 	s.mu.Lock()
 	if err := s.statsConn.GetSystemStats(prev); err != nil {
 		atomic.StoreUint32(&s.available, 0)
-		log.Warnf("disabling statsRPC service, reason:", err)
+		log.Warnf("disabling statsRPC service, reason: %v", err)
 	}
 	s.mu.Unlock()
 
@@ -110,7 +110,7 @@ func (s *StatsRPC) watchConnection() {
 			s.mu.Lock()
 			if err := s.statsConn.GetSystemStats(curr); err != nil {
 				atomic.StoreUint32(&s.available, 0)
-				log.Warnf("disabling statsRPC service, reason:", err)
+				log.Warnf("disabling statsRPC service, reason: %v", err)
 			}
 			s.mu.Unlock()