diff options
Diffstat (limited to 'adapter/socketclient/socketclient.go')
| -rw-r--r-- | adapter/socketclient/socketclient.go | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/adapter/socketclient/socketclient.go b/adapter/socketclient/socketclient.go index 96f23e6..2144d24 100644 --- a/adapter/socketclient/socketclient.go +++ b/adapter/socketclient/socketclient.go @@ -40,6 +40,20 @@ const ( DefaultSocketName = adapter.DefaultBinapiSocket ) +const socketMissing = ` +------------------------------------------------------------ + VPP binary API socket file %s is missing! + + - is VPP running with socket for binapi enabled? + - is the correct socket name configured? + + To enable it add following section to your VPP config: + socksvr { + default + } +------------------------------------------------------------ +` + var ( // DefaultConnectTimeout is default timeout for connecting DefaultConnectTimeout = time.Second * 3 @@ -165,7 +179,13 @@ func (c *vppClient) SetMsgCallback(cb adapter.MsgCallback) { } func (c *vppClient) Connect() error { - Log.Debugf("Connecting to: %v", c.sockAddr) + // check if socket exists + if _, err := os.Stat(c.sockAddr); os.IsNotExist(err) { + fmt.Fprintf(os.Stderr, socketMissing, c.sockAddr) + return fmt.Errorf("VPP API socket file %s does not exist", c.sockAddr) + } else if err != nil { + return fmt.Errorf("VPP API socket error: %v", err) + } if err := c.connect(c.sockAddr); err != nil { return err @@ -212,12 +232,14 @@ func (c *vppClient) Disconnect() error { func (c *vppClient) connect(sockAddr string) error { addr := &net.UnixAddr{Name: sockAddr, Net: "unix"} + Log.Debugf("Connecting to: %v", c.sockAddr) + conn, err := net.DialUnix("unix", nil, addr) if err != nil { // we try different type of socket for backwards compatbility with VPP<=19.04 if strings.Contains(err.Error(), "wrong type for socket") { addr.Net = "unixpacket" - Log.Warnf("%s, retrying connect with type unixpacket", err) + Log.Debugf("%s, retrying connect with type unixpacket", err) conn, err = net.DialUnix("unixpacket", nil, addr) } if err != nil { |