packet: define FSMState

Then we can use stringer nicely. Now FSMstate shows nicely like:

DEBU[0081] Peer (10.0.0.1) state changed from BGP_FSM_ACTIVE to BGP_FSM_OPENSENT

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 17 insertions, 0 deletions

diff --git a/packet/fsmstate_string.go b/packet/fsmstate_string.go
new file mode 100644
index 00000000..26cafe25
--- /dev/null
+++ b/packet/fsmstate_string.go
@@ -0,0 +1,17 @@
+// generated by stringer -type FSMState constatnt.go; DO NOT EDIT
+
+package bgp
+
+import "fmt"
+
+const _FSMState_name = "BGP_FSM_IDLEBGP_FSM_CONNECTBGP_FSM_ACTIVEBGP_FSM_OPENSENTBGP_FSM_OPENCONFIRMBGP_FSM_ESTABLISHED"
+
+var _FSMState_index = [...]uint8{0, 12, 27, 41, 57, 76, 95}
+
+func (i FSMState) String() string {
+	i -= 1
+	if i < 0 || i+1 >= FSMState(len(_FSMState_index)) {
+		return fmt.Sprintf("FSMState(%d)", i+1)
+	}
+	return _FSMState_name[_FSMState_index[i]:_FSMState_index[i+1]]
+}