Rework DHCP lease state handling to be compatible with failover protocol.

includes/dhctoken.h

@@ -114,7 +114,6 @@ enum dhcp_token {
 	EXPIRE = 308,
 	UNKNOWN_CLIENTS = 309,
 	ALLOW = 310,
-	BOOTP = 311,
 	DENY = 312,
 	BOOTING = 313,
 	DEFAULT = 314,
@@ -122,7 +121,7 @@ enum dhcp_token {
 	MEDIUM = 316,
 	ALIAS = 317,
 	REBOOT = 318,
-	ABANDONED = 319,
+	TOKEN_ABANDONED = 319,
 	BACKOFF_CUTOFF = 320,
 	INITIAL_INTERVAL = 321,
 	NAMESERVER = 322,
@@ -216,7 +215,7 @@ enum dhcp_token {
 	STATIC = 414,
 	NEVER = 415,
 	INFINITE = 416,
-	DELETED = 417,
+	TOKEN_DELETED = 417,
 	UPDATED_DNS_RR = 418,
 	DNS_DELETE = 419,
 	DUPLICATES = 420,
@@ -268,7 +267,17 @@ enum dhcp_token {
 	STATE = 466,
 	UNKNOWN_STATE = 567,
 	CLTT = 568,
-	INCLUDE = 569
+	INCLUDE = 569,
+	BINDING = 570,
+	TOKEN_FREE = 571,
+	TOKEN_ACTIVE = 572,
+	TOKEN_EXPIRED = 573,
+	TOKEN_RELEASED = 574,
+	TOKEN_RESET = 575,
+	TOKEN_BACKUP = 576,
+	TOKEN_RESERVED = 577,
+	TOKEN_BOOTP = 578,
+	TOKEN_NEXT = 579,
 };
 
 #define is_identifier(x)	((x) >= FIRST_TOKEN &&	\