Merge branch 'master' of git+ssh://busybox.net/var/lib/git/busybox
This commit is contained in:
Denys Vlasenko
commit
c386aa5dcd
@ -2709,27 +2709,6 @@ INSERT
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" or\n" \
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"$ nameif -c /etc/my_mactab_file\n" \
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#define netstat_trivial_usage \
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"[-laentuwxr"IF_FEATURE_NETSTAT_WIDE("W")IF_FEATURE_NETSTAT_PRG("p")"]"
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#define netstat_full_usage "\n\n" \
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"Display networking information\n" \
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"\nOptions:" \
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"\n -l Display listening server sockets" \
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"\n -a Display all sockets (default: connected)" \
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"\n -e Display other/more information" \
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"\n -n Don't resolve names" \
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"\n -t Tcp sockets" \
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"\n -u Udp sockets" \
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"\n -w Raw sockets" \
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"\n -x Unix sockets" \
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"\n -r Display routing table" \
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IF_FEATURE_NETSTAT_WIDE( \
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"\n -W Display with no column truncation" \
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) \
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IF_FEATURE_NETSTAT_PRG( \
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"\n -p Display PID/Program name for sockets" \
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)
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#define nmeter_trivial_usage \
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"format_string"
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#define nmeter_full_usage "\n\n" \
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@ -17,16 +17,37 @@
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#include "libbb.h"
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#include "inet_common.h"
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//usage:#define netstat_trivial_usage
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//usage: "[-"IF_ROUTE("r")"al] [-tuwx] [-en"IF_FEATURE_NETSTAT_WIDE("W")IF_FEATURE_NETSTAT_PRG("p")"]"
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//usage:#define netstat_full_usage "\n\n"
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//usage: "Display networking information\n"
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//usage: "\nOptions:"
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//usage: IF_ROUTE(
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//usage: "\n -r Routing table"
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//usage: )
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//usage: "\n -a All sockets"
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//usage: "\n -l Listening sockets"
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//usage: "\n Else: connected sockets"
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//usage: "\n -t TCP sockets"
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//usage: "\n -u UDP sockets"
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//usage: "\n -w Raw sockets"
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//usage: "\n -x Unix sockets"
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//usage: "\n Else: all socket types"
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//usage: "\n -e Other/more information"
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//usage: "\n -n Don't resolve names"
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//usage: IF_FEATURE_NETSTAT_WIDE(
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//usage: "\n -W Wide display"
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//usage: )
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//usage: IF_FEATURE_NETSTAT_PRG(
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//usage: "\n -p Show PID/program name for sockets"
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//usage: )
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#define NETSTAT_OPTS "laentuwx" \
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IF_ROUTE( "r") \
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IF_FEATURE_NETSTAT_WIDE("W") \
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IF_FEATURE_NETSTAT_PRG( "p")
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enum {
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OPTBIT_KEEP_OLD = 7,
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IF_ROUTE( OPTBIT_ROUTE,)
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IF_FEATURE_NETSTAT_WIDE(OPTBIT_WIDE ,)
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IF_FEATURE_NETSTAT_PRG( OPTBIT_PRG ,)
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OPT_sock_listen = 1 << 0, // l
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OPT_sock_all = 1 << 1, // a
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OPT_extended = 1 << 2, // e
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@ -35,6 +56,10 @@ enum {
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OPT_sock_udp = 1 << 5, // u
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OPT_sock_raw = 1 << 6, // w
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OPT_sock_unix = 1 << 7, // x
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OPTBIT_x = 7,
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IF_ROUTE( OPTBIT_ROUTE,)
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IF_FEATURE_NETSTAT_WIDE(OPTBIT_WIDE ,)
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IF_FEATURE_NETSTAT_PRG( OPTBIT_PRG ,)
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OPT_route = IF_ROUTE( (1 << OPTBIT_ROUTE)) + 0, // r
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OPT_wide = IF_FEATURE_NETSTAT_WIDE((1 << OPTBIT_WIDE )) + 0, // W
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OPT_prg = IF_FEATURE_NETSTAT_PRG( (1 << OPTBIT_PRG )) + 0, // p
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@ -220,7 +245,7 @@ static long extract_socket_inode(const char *lname)
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static int FAST_FUNC file_act(const char *fileName,
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struct stat *statbuf UNUSED_PARAM,
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void *userData,
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void *pid_slash_progname,
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int depth UNUSED_PARAM)
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{
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char *linkname;
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@ -231,7 +256,7 @@ static int FAST_FUNC file_act(const char *fileName,
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inode = extract_socket_inode(linkname);
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free(linkname);
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if (inode >= 0)
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prg_cache_add(inode, (char *)userData);
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prg_cache_add(inode, (char *)pid_slash_progname);
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}
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return TRUE;
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}
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@ -241,16 +266,16 @@ static int FAST_FUNC dir_act(const char *fileName,
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void *userData UNUSED_PARAM,
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int depth)
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{
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const char *shortName;
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char *p, *q;
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const char *pid;
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char *p, *pid_slash_progname;
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char cmdline_buf[512];
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int i;
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if (depth == 0) /* "/proc" itself */
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return TRUE; /* continue looking one level below /proc */
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shortName = fileName + sizeof("/proc/")-1; /* point after "/proc/" */
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if (!isdigit(shortName[0])) /* skip /proc entries whic aren't processes */
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pid = fileName + sizeof("/proc/")-1; /* point after "/proc/" */
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if (!isdigit(pid[0])) /* skip /proc entries which aren't processes */
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return SKIP;
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p = concat_path_file(fileName, "cmdline"); /* "/proc/PID/cmdline" */
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@ -259,20 +284,19 @@ static int FAST_FUNC dir_act(const char *fileName,
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if (i < 0)
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return FALSE;
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cmdline_buf[i] = '\0';
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q = concat_path_file(shortName, bb_basename(cmdline_buf)); /* "PID/argv0" */
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/* go through all files in /proc/PID/fd */
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pid_slash_progname = concat_path_file(pid, bb_basename(cmdline_buf)); /* "PID/argv0" */
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p = concat_path_file(fileName, "fd");
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i = recursive_action(p, ACTION_RECURSE | ACTION_QUIET,
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file_act, NULL, (void *)q, 0);
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file_act, NULL, (void *)pid_slash_progname, 0);
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free(p);
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free(q);
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free(pid_slash_progname);
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if (!i)
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return FALSE; /* signal permissions error to caller */
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return FALSE; /* signal permissions error to caller */
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return SKIP; /* caller should not recurse further into this dir. */
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return SKIP; /* caller should not recurse further into this dir */
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}
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static void prg_cache_load(void)
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@ -624,25 +648,23 @@ int netstat_main(int argc UNUSED_PARAM, char **argv)
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/* Option string must match NETSTAT_xxx constants */
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opt = getopt32(argv, NETSTAT_OPTS);
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if (opt & 0x1) { // -l
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if (opt & OPT_sock_listen) { // -l
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flags &= ~NETSTAT_CONNECTED;
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flags |= NETSTAT_LISTENING;
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}
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if (opt & 0x2) flags |= NETSTAT_LISTENING | NETSTAT_CONNECTED; // -a
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//if (opt & 0x4) // -e
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if (opt & 0x8) flags |= NETSTAT_NUMERIC; // -n
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//if (opt & 0x10) // -t: NETSTAT_TCP
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//if (opt & 0x20) // -u: NETSTAT_UDP
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//if (opt & 0x40) // -w: NETSTAT_RAW
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//if (opt & 0x80) // -x: NETSTAT_UNIX
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if (opt & OPT_route) { // -r
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if (opt & OPT_sock_all) flags |= NETSTAT_LISTENING | NETSTAT_CONNECTED; // -a
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//if (opt & OPT_extended) // -e
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if (opt & OPT_noresolve) flags |= NETSTAT_NUMERIC; // -n
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//if (opt & OPT_sock_tcp) // -t: NETSTAT_TCP
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//if (opt & OPT_sock_udp) // -u: NETSTAT_UDP
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//if (opt & OPT_sock_raw) // -w: NETSTAT_RAW
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//if (opt & OPT_sock_unix) // -x: NETSTAT_UNIX
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#if ENABLE_ROUTE
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if (opt & OPT_route) { // -r
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bb_displayroutes(flags & NETSTAT_NUMERIC, !(opt & OPT_extended));
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return 0;
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#else
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bb_show_usage();
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#endif
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}
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#endif
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if (opt & OPT_wide) { // -W
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net_conn_line = PRINT_NET_CONN_WIDE;
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net_conn_line_header = PRINT_NET_CONN_HEADER_WIDE;
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@ -689,8 +689,8 @@ static void show_timerstats(void)
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// no ACPI power usage estimate available
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//
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// Top causes for wakeups:
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// 32.4% ( 26.7) <interrupt> : extra timer interrupt
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// 29.0% ( 23.9) <kernel core> : hrtimer_start_range_ns (tick_sched_timer)
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// 32.4% ( 26.7) <interrupt> : extra timer interrupt
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// 29.0% ( 23.9) <kernel core> : hrtimer_start_range_ns (tick_sched_timer)
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// 9.0% ( 7.5) <kernel core> : hrtimer_start (tick_sched_timer)
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// 6.5% ( 5.3) <interrupt> : ata_piix
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// 5.0% ( 4.1) inetd : hrtimer_start_range_ns (hrtimer_wakeup)
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@ -649,8 +649,9 @@ static void reset_term(void)
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static void sig_catcher(int sig UNUSED_PARAM)
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{
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reset_term();
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exit(EXIT_FAILURE);
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_exit(EXIT_FAILURE);
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}
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#endif /* FEATURE_USE_TERMIOS */
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/*
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