dhcpv6: display status code as a string

For better readibility display the returned status code from the DHCPv6
server as a string

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index b9eac435f85defeaa7b5363673be4553ce3d201e..60c0b24ab3606c18e51b26f115f49eb9a109fb94 100644 (file)
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -162,6 +162,37 @@ static char *dhcpv6_msg_to_str(enum dhcpv6_msg msg)
        return "UNKNOWN";
 }
 
+static char *dhcpv6_status_code_to_str(uint16_t code)
+{
+       switch (code) {
+       case DHCPV6_Success:
+               return "Success";
+
+       case DHCPV6_UnspecFail:
+               return "Unspecified Failure";
+
+       case DHCPV6_NoAddrsAvail:
+               return "No Address Available";
+
+       case DHCPV6_NoBinding:
+               return "No Binding";
+
+       case DHCPV6_NotOnLink:
+               return "Not On Link";
+
+       case DHCPV6_UseMulticast:
+               return "Use Multicast";
+
+       case DHCPV6_NoPrefixAvail:
+               return "No Prefix Available";
+
+       default:
+               break;
+       }
+
+       return "Unknown";
+}
+
 int init_dhcpv6(const char *ifname, unsigned int options, int sol_timeout)
 {
        client_options = options;
@@ -1487,8 +1518,8 @@ static void dhcpv6_log_status_code(const uint16_t code, const char *scope,
 
        *dst = 0;
 
-       syslog(LOG_WARNING, "Server returned %s status %i %s",
-               scope, code, buf);
+       syslog(LOG_WARNING, "Server returned %s status '%s %s'",
+               scope, dhcpv6_status_code_to_str(code), buf);
 }
 
 static void dhcpv6_handle_status_code(const enum dhcpv6_msg orig,