From 49cce2b8384d2b425a91785ebf155a692df6986c Mon Sep 17 00:00:00 2001 From: Paul Fox Date: Wed, 7 Nov 2007 16:01:28 +0000 Subject: [PATCH] add "-A N" / "--tryagain=N" option to client, to allow altering the default 60 second wait after failure to get a lease. --- include/usage.h | 4 ++++ networking/udhcp/dhcpc.c | 13 +++++++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/include/usage.h b/include/usage.h index 5307d98d0..e609cbc18 100644 --- a/include/usage.h +++ b/include/usage.h @@ -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 -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,--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 -b,--background Background if lease cannot be immediately negotiated" \ "\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 -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 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 -b Background if lease cannot be immediately negotiated" \ "\n -S Log to syslog too" \ diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index e00379b2a..c6f9fe42d 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -144,7 +144,7 @@ int udhcpc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; 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 @@ int udhcpc_main(int argc, char **argv) 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 @@ int udhcpc_main(int argc, char **argv) "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 @@ int udhcpc_main(int argc, char **argv) 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 @@ int udhcpc_main(int argc, char **argv) #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 @@ int udhcpc_main(int argc, char **argv) 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 @@ int udhcpc_main(int argc, char **argv) } /* wait to try again */ packet_num = 0; - timeout = now + 60; + timeout = now + client_config.tryagain; } break; case RENEW_REQUESTED: