udhcpd: add -f "foreground" and -S "syslog" options

udhcpc: add -S "syslog" options
remove CONFIG_FEATURE_UDHCP_SYSLOG

function                                             old     new   delta
udhcpd_main                                         1168    1201     +33
udhcpc_main                                         2414    2425     +11
static.udhcpc_longopts                               191     200      +9
qgravechar                                           112     108      -4
packed_usage                                       22843   22827     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 53/-20)             Total: 33 bytes
This commit is contained in:
Denis Vlasenko 2007-08-14 16:45:29 +00:00
parent dbe6e66d6a
commit 3d17d2b430
4 changed files with 27 additions and 33 deletions

View File

@ -3654,27 +3654,29 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when
"[-Cfbnqtv] [-c CID] [-V VCLS] [-H HOSTNAME] [-i INTERFACE]\n" \
" [-p pidfile] [-r IP] [-s script]"
#define udhcpc_full_usage \
" -V,--vendorclass=CLASSID Set vendor class identifier\n" \
" -i,--interface=INTERFACE Interface to use (default: eth0)\n" \
" -H,-h,--hostname=HOSTNAME Client hostname\n" \
" -c,--clientid=CLIENTID Set client identifier\n" \
" -C,--clientid-none Suppress default client identifier\n" \
" -p,--pidfile=file Store process ID of daemon in file\n" \
" -r,--request=IP IP address to request (default: none)\n" \
" -s,--script=file Run file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \
" -t,--retries=NUM Send up to NUM request packets\n"\
" -f,--foreground Do not fork after getting lease\n" \
" -b,--background Fork to background if lease cannot be immediately negotiated\n" \
" -n,--now Exit with failure if lease cannot be immediately negotiated\n" \
" -q,--quit Quit after obtaining lease\n" \
" -R,--release Release IP on quit\n" \
" -v,--version Display version" \
"\n -V,--vendorclass=CLASSID Set vendor class identifier" \
"\n -i,--interface=INTERFACE Interface to use (default: eth0)" \
"\n -H,-h,--hostname=HOSTNAME Client hostname" \
"\n -c,--clientid=CLIENTID Set client identifier" \
"\n -C,--clientid-none Suppress default client identifier" \
"\n -p,--pidfile=file Store process ID of daemon in file" \
"\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 -f,--foreground Stay in foreground" \
"\n -b,--background Background if lease cannot be immediately negotiated" \
"\n -S,--syslog Log to syslog too" \
"\n -n,--now Exit with failure if lease cannot be immediately negotiated" \
"\n -q,--quit Quit after obtaining lease" \
"\n -R,--release Release IP on quit" \
"\n -v,--version Display version" \
#define udhcpd_trivial_usage \
"[configfile]" \
"[-fS] [configfile]" \
#define udhcpd_full_usage \
""
"\n -f Stay in foreground" \
"\n -S Log to syslog too"
#define umount_trivial_usage \
"[flags] FILESYSTEM|DIRECTORY"

View File

@ -54,17 +54,6 @@ config APP_UDHCPC
See http://udhcp.busybox.net for further details.
config FEATURE_UDHCP_SYSLOG
bool "Log udhcp messages to syslog"
default n
depends on APP_UDHCPD || APP_UDHCPC
select FEATURE_SYSLOG
help
If not daemonized, udhcpd prints its messages to stdout/stderr.
If this option is selected, it will also log them to syslog.
See http://udhcp.busybox.net for further details.
config FEATURE_UDHCP_DEBUG
bool "Compile udhcp with noisy debugging messages"
default n

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@ -178,6 +178,7 @@ int udhcpc_main(int argc, char **argv)
OPT_T = 1 << 15,
OPT_t = 1 << 16,
OPT_v = 1 << 17,
OPT_S = 1 << 18,
};
#if ENABLE_GETOPT_LONG
static const char udhcpc_longopts[] ALIGN1 =
@ -199,6 +200,7 @@ int udhcpc_main(int argc, char **argv)
"timeout\0" Required_argument "T"
"version\0" No_argument "v"
"retries\0" Required_argument "t"
"syslog\0" No_argument "S"
;
#endif
/* Default options. */
@ -213,7 +215,7 @@ int udhcpc_main(int argc, char **argv)
#if ENABLE_GETOPT_LONG
applet_long_options = udhcpc_longopts;
#endif
opt = getopt32(argc, argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:v",
opt = getopt32(argc, argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:vS",
&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
@ -262,7 +264,7 @@ int udhcpc_main(int argc, char **argv)
return 0;
}
if (ENABLE_FEATURE_UDHCP_SYSLOG) {
if (opt & OPT_S) {
openlog(applet_name, LOG_PID, LOG_LOCAL0);
logmode |= LOGMODE_SYSLOG;
}

View File

@ -32,17 +32,18 @@ int udhcpd_main(int argc, char **argv)
uint32_t server_id_align, requested_align, static_lease_ip;
unsigned timeout_end;
unsigned num_ips;
unsigned opt;
struct option_set *option;
struct dhcpOfferedAddr *lease, static_lease;
//Huh, dhcpd don't have --foreground, --syslog options?? TODO
opt = getopt32(argc, argv, "fS");
if (!ENABLE_FEATURE_UDHCP_DEBUG) {
if (!(opt & 1)) { /* no -f */
bb_daemonize_or_rexec(0, argv);
logmode &= ~LOGMODE_STDIO;
}
if (ENABLE_FEATURE_UDHCP_SYSLOG) {
if (opt & 2) { /* -S */
openlog(applet_name, LOG_PID, LOG_LOCAL0);
logmode |= LOGMODE_SYSLOG;
}