add "-A N" / "--tryagain=N" option to client, to allow altering the

default 60 second wait after failure to get a lease.
This commit is contained in:
Paul Fox 2007-11-07 16:01:28 +00:00
parent 6e1b62b18c
commit 49cce2b838
2 changed files with 13 additions and 4 deletions

View File

@ -3835,6 +3835,8 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when
"\n -r,--request=IP IP address to request" \ "\n -r,--request=IP IP address to request" \
"\n -s,--script=file Run file at dhcp events (default: /usr/share/udhcpc/default.script)" \ "\n -s,--script=file Run file at dhcp events (default: /usr/share/udhcpc/default.script)" \
"\n -t,--retries=N Send up to N request packets"\ "\n -t,--retries=N Send up to N request packets"\
"\n -T,--timeout=N Try to get a lease for N seconds (default: 3)"\
"\n -A,--tryagain=N Wait N seconds (default: 60) after failure"\
"\n -f,--foreground Run in foreground" \ "\n -f,--foreground Run in foreground" \
"\n -b,--background Background if lease cannot be immediately negotiated" \ "\n -b,--background Background if lease cannot be immediately negotiated" \
"\n -S,--syslog Log to syslog too" \ "\n -S,--syslog Log to syslog too" \
@ -3853,6 +3855,8 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when
"\n -r IP IP address to request" \ "\n -r IP IP address to request" \
"\n -s file Run file at dhcp events (default: /usr/share/udhcpc/default.script)" \ "\n -s file Run file at dhcp events (default: /usr/share/udhcpc/default.script)" \
"\n -t N Send up to N request packets"\ "\n -t N Send up to N request packets"\
"\n -T N Try to get a lease for N seconds (default: 3)"\
"\n -A N Wait N seconds (default: 60) after failure"\
"\n -f Run in foreground" \ "\n -f Run in foreground" \
"\n -b Background if lease cannot be immediately negotiated" \ "\n -b Background if lease cannot be immediately negotiated" \
"\n -S Log to syslog too" \ "\n -S Log to syslog too" \

View File

@ -144,7 +144,7 @@ int udhcpc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int udhcpc_main(int argc, char **argv) int udhcpc_main(int argc, char **argv)
{ {
uint8_t *temp, *message; 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 xid = 0;
uint32_t lease = 0; /* can be given as 32-bit quantity */ uint32_t lease = 0; /* can be given as 32-bit quantity */
unsigned t1 = 0, t2 = 0; /* what a wonderful names */ unsigned t1 = 0, t2 = 0; /* what a wonderful names */
@ -179,6 +179,7 @@ int udhcpc_main(int argc, char **argv)
OPT_t = 1 << 16, OPT_t = 1 << 16,
OPT_v = 1 << 17, OPT_v = 1 << 17,
OPT_S = 1 << 18, OPT_S = 1 << 18,
OPT_A = 1 << 19,
}; };
#if ENABLE_GETOPT_LONG #if ENABLE_GETOPT_LONG
static const char udhcpc_longopts[] ALIGN1 = static const char udhcpc_longopts[] ALIGN1 =
@ -200,6 +201,7 @@ int udhcpc_main(int argc, char **argv)
"timeout\0" Required_argument "T" "timeout\0" Required_argument "T"
"version\0" No_argument "v" "version\0" No_argument "v"
"retries\0" Required_argument "t" "retries\0" Required_argument "t"
"tryagain\0" Required_argument "A"
"syslog\0" No_argument "S" "syslog\0" No_argument "S"
; ;
#endif #endif
@ -208,6 +210,7 @@ int udhcpc_main(int argc, char **argv)
client_config.script = DEFAULT_SCRIPT; client_config.script = DEFAULT_SCRIPT;
client_config.retries = 3; client_config.retries = 3;
client_config.timeout = 3; client_config.timeout = 3;
client_config.tryagain = 60;
/* Parse command line */ /* Parse command line */
opt_complementary = "c--C:C--c" // mutually exclusive opt_complementary = "c--C:C--c" // mutually exclusive
@ -215,10 +218,10 @@ int udhcpc_main(int argc, char **argv)
#if ENABLE_GETOPT_LONG #if ENABLE_GETOPT_LONG
applet_long_options = udhcpc_longopts; applet_long_options = udhcpc_longopts;
#endif #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, &str_c, &str_V, &str_h, &str_h, &str_F,
&client_config.interface, &client_config.pidfile, &str_r, &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) if (opt & OPT_c)
@ -259,6 +262,8 @@ int udhcpc_main(int argc, char **argv)
client_config.timeout = xatoi_u(str_T); client_config.timeout = xatoi_u(str_T);
if (opt & OPT_t) if (opt & OPT_t)
client_config.retries = xatoi_u(str_t); client_config.retries = xatoi_u(str_t);
if (opt & OPT_A)
client_config.tryagain = xatoi_u(str_A);
if (opt & OPT_v) { if (opt & OPT_v) {
puts("version "BB_VER); puts("version "BB_VER);
return 0; return 0;
@ -355,7 +360,7 @@ int udhcpc_main(int argc, char **argv)
} }
/* wait to try again */ /* wait to try again */
packet_num = 0; packet_num = 0;
timeout = now + 60; timeout = now + client_config.tryagain;
} }
break; break;
case RENEW_REQUESTED: case RENEW_REQUESTED: