add "-A N" / "--tryagain=N" option to client, to allow altering the
default 60 second wait after failure to get a lease.
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index e00379b..c6f9fe4 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -144,7 +144,7 @@
int udhcpc_main(int argc, char **argv)
{
uint8_t *temp, *message;
- char *str_c, *str_V, *str_h, *str_F, *str_r, *str_T, *str_t;
+ char *str_c, *str_V, *str_h, *str_F, *str_r, *str_T, *str_A, *str_t;
uint32_t xid = 0;
uint32_t lease = 0; /* can be given as 32-bit quantity */
unsigned t1 = 0, t2 = 0; /* what a wonderful names */
@@ -179,6 +179,7 @@
OPT_t = 1 << 16,
OPT_v = 1 << 17,
OPT_S = 1 << 18,
+ OPT_A = 1 << 19,
};
#if ENABLE_GETOPT_LONG
static const char udhcpc_longopts[] ALIGN1 =
@@ -200,6 +201,7 @@
"timeout\0" Required_argument "T"
"version\0" No_argument "v"
"retries\0" Required_argument "t"
+ "tryagain\0" Required_argument "A"
"syslog\0" No_argument "S"
;
#endif
@@ -208,6 +210,7 @@
client_config.script = DEFAULT_SCRIPT;
client_config.retries = 3;
client_config.timeout = 3;
+ client_config.tryagain = 60;
/* Parse command line */
opt_complementary = "c--C:C--c" // mutually exclusive
@@ -215,10 +218,10 @@
#if ENABLE_GETOPT_LONG
applet_long_options = udhcpc_longopts;
#endif
- opt = getopt32(argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:vS",
+ opt = getopt32(argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:vSA:",
&str_c, &str_V, &str_h, &str_h, &str_F,
&client_config.interface, &client_config.pidfile, &str_r,
- &client_config.script, &str_T, &str_t
+ &client_config.script, &str_T, &str_t, &str_A
);
if (opt & OPT_c)
@@ -259,6 +262,8 @@
client_config.timeout = xatoi_u(str_T);
if (opt & OPT_t)
client_config.retries = xatoi_u(str_t);
+ if (opt & OPT_A)
+ client_config.tryagain = xatoi_u(str_A);
if (opt & OPT_v) {
puts("version "BB_VER);
return 0;
@@ -355,7 +360,7 @@
}
/* wait to try again */
packet_num = 0;
- timeout = now + 60;
+ timeout = now + client_config.tryagain;
}
break;
case RENEW_REQUESTED: