dhcpclient: Add missing '-r <retries>' help message. (#5058)

* dhcpclient: Add missing '-r <retries>' help message.

* dhcpclient: Better message to avoid bad experience

Even in debug mode (-x), its impossible to know if the client is blocked
or trying something.

diff --git a/src/bin/dhcpclient.c b/src/bin/dhcpclient.c
index 42293bdcf129ac202cdf564944c06032e32216b5..81b6bf7f0ebd720b4577a4f277d6fa0b01a17cd1 100644 (file)
--- a/src/bin/dhcpclient.c
+++ b/src/bin/dhcpclient.c
@@ -34,7 +34,7 @@ RCSID("$Id$")
 /*
  *     Logging macros
  */
- #undef DEBUG
+#undef DEBUG
 #define DEBUG(fmt, ...)                if (fr_debug_lvl > 0) fprintf(stdout, fmt "\n", ## __VA_ARGS__)
 
 #define ERROR(fmt, ...)                fr_perror("dhcpclient: " fmt, ## __VA_ARGS__)
@@ -132,6 +132,7 @@ static NEVER_RETURNS void usage(void)
        DEBUG("  -D <dictdir>           Set main dictionary directory (defaults to " DICTDIR ").");
        DEBUG("  -f <file>              Read packets from file, not stdin.");
        DEBUG("  -i <interface>         Use this interface to send/receive at packet level on a raw socket.");
+       DEBUG("  -r <retries>           On timeout, retry sending the packet 'retries' times.\n");
        DEBUG("  -t <timeout>           Wait 'timeout' seconds for a reply (may be a floating point number).");
        DEBUG("  -v                     Show program version information.");
        DEBUG("  -x                     Debugging mode.");
@@ -160,6 +161,7 @@ static int request_init(fr_radius_packet_t **out, fr_pair_list_t *packet_vps, ch
                        return -1;
                }
        } else {
+               DEBUG("Reading packets from stdin\n");
                fp = stdin;
        }