X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemctl%2Fsystemctl.c;h=a85a6baf76708a738cd32ad96e4c24d548922215;hp=cc9c775251d813c740916b285acff37ff4241569;hb=ccd413871bdada8f9b1dbb910380c07e04e56122;hpb=49111a708eb3bc8488c56c4695fa36c826bf3657 diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index cc9c77525..a85a6baf7 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -99,6 +99,7 @@ static enum action { ACTION_EXIT, ACTION_SUSPEND, ACTION_HIBERNATE, + ACTION_HYBRID_SLEEP, ACTION_RUNLEVEL2, ACTION_RUNLEVEL3, ACTION_RUNLEVEL4, @@ -123,7 +124,6 @@ static enum transport { TRANSPORT_POLKIT } arg_transport = TRANSPORT_NORMAL; static const char *arg_host = NULL; -static bool arg_follow = false; static unsigned arg_lines = 10; static OutputMode arg_output = OUTPUT_SHORT; @@ -132,26 +132,8 @@ static bool private_bus = false; static int daemon_reload(DBusConnection *bus, char **args); static void halt_now(enum action a); -static bool on_tty(void) { - static int t = -1; - - /* Note that this is invoked relatively early, before we start - * the pager. That means the value we return reflects whether - * we originally were started on a tty, not if we currently - * are. But this is intended, since we want colour and so on - * when run in our own pager. */ - - if (_unlikely_(t < 0)) - t = isatty(STDOUT_FILENO) > 0; - - return t; -} - static void pager_open_if_enabled(void) { - /* Cache result before we open the pager */ - on_tty(); - if (arg_no_pager) return; @@ -186,6 +168,14 @@ static void polkit_agent_open_if_enabled(void) { } #endif +static const char *ansi_highlight(bool b) { + + if (!on_tty()) + return ""; + + return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF; +} + static const char *ansi_highlight_red(bool b) { if (!on_tty()) @@ -331,6 +321,7 @@ static bool output_show_unit(const struct unit_info *u) { static void output_units_list(const struct unit_info *unit_infos, unsigned c) { unsigned id_len, max_id_len, active_len, sub_len, job_len, desc_len, n_shown = 0; const struct unit_info *u; + int job_count = 0; max_id_len = sizeof("UNIT")-1; active_len = sizeof("ACTIVE")-1; @@ -345,14 +336,18 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) { max_id_len = MAX(max_id_len, strlen(u->id)); active_len = MAX(active_len, strlen(u->active_state)); sub_len = MAX(sub_len, strlen(u->sub_state)); - if (u->job_id != 0) + if (u->job_id != 0) { job_len = MAX(job_len, strlen(u->job_type)); + job_count++; + } } if (!arg_full) { unsigned basic_len; id_len = MIN(max_id_len, 25); - basic_len = 5 + id_len + 6 + active_len + sub_len + job_len; + basic_len = 5 + id_len + 5 + active_len + sub_len; + if (job_count) + basic_len += job_len + 1; if (basic_len < (unsigned) columns()) { unsigned extra_len, incr; extra_len = columns() - basic_len; @@ -372,15 +367,6 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) { } else id_len = max_id_len; - if (!arg_no_legend) { - printf("%-*s %-6s %-*s %-*s %-*s ", id_len, "UNIT", "LOAD", - active_len, "ACTIVE", sub_len, "SUB", job_len, "JOB"); - if (!arg_full && arg_no_pager) - printf("%.*s\n", desc_len, "DESCRIPTION"); - else - printf("%s\n", "DESCRIPTION"); - } - for (u = unit_infos; u < unit_infos + c; u++) { char *e; const char *on_loaded, *off_loaded; @@ -389,6 +375,17 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) { if (!output_show_unit(u)) continue; + if (!n_shown && !arg_no_legend) { + printf("%-*s %-6s %-*s %-*s ", id_len, "UNIT", "LOAD", + active_len, "ACTIVE", sub_len, "SUB"); + if (job_count) + printf("%-*s ", job_len, "JOB"); + if (!arg_full && arg_no_pager) + printf("%.*s\n", desc_len, "DESCRIPTION"); + else + printf("%s\n", "DESCRIPTION"); + } + n_shown++; if (streq(u->load_state, "error")) { @@ -405,12 +402,12 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) { e = arg_full ? NULL : ellipsize(u->id, id_len, 33); - printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s ", + printf("%-*s %s%-6s%s %s%-*s %-*s%s %-*s", id_len, e ? e : u->id, on_loaded, u->load_state, off_loaded, on_active, active_len, u->active_state, sub_len, u->sub_state, off_active, - job_len, u->job_id ? u->job_type : ""); + job_count ? job_len + 1 : 0, u->job_id ? u->job_type : ""); if (!arg_full && arg_no_pager) printf("%.*s\n", desc_len, u->description); else @@ -420,17 +417,29 @@ static void output_units_list(const struct unit_info *unit_infos, unsigned c) { } if (!arg_no_legend) { - printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n" - "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" - "SUB = The low-level unit activation state, values depend on unit type.\n" - "JOB = Pending job for the unit.\n"); + const char *on, *off; + + if (n_shown) { + printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n" + "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" + "SUB = The low-level unit activation state, values depend on unit type.\n"); + if (job_count) + printf("JOB = Pending job for the unit.\n"); + on = ansi_highlight(true); + off = ansi_highlight(false); + } else { + on = ansi_highlight_red(true); + off = ansi_highlight_red(false); + } if (arg_all) - printf("\n%u loaded units listed.\n" - "To show all installed unit files use 'systemctl list-unit-files'.\n", n_shown); + printf("\n%s%u loaded units listed.%s\n" + "To show all installed unit files use 'systemctl list-unit-files'.\n", + on, n_shown, off); else - printf("\n%u loaded units listed. Pass --all to see loaded but inactive units, too.\n" - "To show all installed unit files use 'systemctl list-unit-files'.\n", n_shown); + printf("\n%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n" + "To show all installed unit files use 'systemctl list-unit-files'.\n", + on, n_shown, off); } } @@ -1331,9 +1340,9 @@ static int wait_for_jobs(DBusConnection *bus, Set *s) { else if (streq(d.result, "canceled")) log_error("Job for %s canceled.", strna(d.name)); else if (streq(d.result, "dependency")) - log_error("A dependency job for %s failed. See 'journalctl' for details.", strna(d.name)); + log_error("A dependency job for %s failed. See 'journalctl -n' for details.", strna(d.name)); else if (!streq(d.result, "done") && !streq(d.result, "skipped")) - log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl' for details.", strna(d.name), strna(d.name)); + log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -n' for details.", strna(d.name), strna(d.name)); } if (streq_ptr(d.result, "timeout")) @@ -1445,7 +1454,7 @@ static void check_triggering_units( DBusConnection *bus, const char *unit_name) { - DBusMessage _cleanup_dbus_msg_unref_ *reply = NULL; + _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; DBusMessageIter iter, sub; char *service_trigger = NULL; const char *interface = "org.freedesktop.systemd1.Unit", @@ -1523,7 +1532,7 @@ static int start_unit_one( DBusError *error, Set *s) { - DBusMessage _cleanup_dbus_msg_unref_ *reply = NULL; + _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; const char *path; int r; _cleanup_free_ char *n, *p = NULL; @@ -1608,6 +1617,8 @@ static enum action verb_to_action(const char *verb) { return ACTION_SUSPEND; else if (streq(verb, "hibernate")) return ACTION_HIBERNATE; + else if (streq(verb, "hybrid-sleep")) + return ACTION_HYBRID_SLEEP; else return ACTION_INVALID; } @@ -1628,7 +1639,8 @@ static int start_unit(DBusConnection *bus, char **args) { [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET, [ACTION_EXIT] = SPECIAL_EXIT_TARGET, [ACTION_SUSPEND] = SPECIAL_SUSPEND_TARGET, - [ACTION_HIBERNATE] = SPECIAL_HIBERNATE_TARGET + [ACTION_HIBERNATE] = SPECIAL_HIBERNATE_TARGET, + [ACTION_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET }; int r, ret = 0; @@ -1764,6 +1776,10 @@ static int reboot_with_logind(DBusConnection *bus, enum action a) { method = "Hibernate"; break; + case ACTION_HYBRID_SLEEP: + method = "HybridSleep"; + break; + default: return -EINVAL; } @@ -1815,7 +1831,8 @@ static int start_special(DBusConnection *bus, char **args) { (a == ACTION_POWEROFF || a == ACTION_REBOOT || a == ACTION_SUSPEND || - a == ACTION_HIBERNATE)) { + a == ACTION_HIBERNATE || + a == ACTION_HYBRID_SLEEP)) { r = reboot_with_logind(bus, a); if (r >= 0) return r; @@ -2274,14 +2291,18 @@ static void print_status_info(UnitStatusInfo *i) { if (i->id && arg_transport != TRANSPORT_SSH) { int flags = arg_all * OUTPUT_SHOW_ALL | - arg_follow * OUTPUT_FOLLOW | - !arg_quiet * OUTPUT_WARN_CUTOFF | - on_tty() * OUTPUT_COLOR; + (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | + on_tty() * OUTPUT_COLOR | + !arg_quiet * OUTPUT_WARN_CUTOFF; printf("\n"); - show_journal_by_unit(i->id, arg_output, 0, + show_journal_by_unit(stdout, + i->id, + arg_output, + 0, i->inactive_exit_timestamp_monotonic, - arg_lines, flags); + arg_lines, + flags); } if (i->need_daemon_reload) @@ -3325,12 +3346,13 @@ static int switch_root(DBusConnection *bus, char **args) { } static int set_environment(DBusConnection *bus, char **args) { - DBusMessage *m = NULL, *reply = NULL; + _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL; DBusError error; - int r; const char *method; - DBusMessageIter iter, sub; - char **name; + DBusMessageIter iter; + int r; + + assert(bus); dbus_error_init(&error); @@ -3338,38 +3360,22 @@ static int set_environment(DBusConnection *bus, char **args) { ? "SetEnvironment" : "UnsetEnvironment"; - if (!(m = dbus_message_new_method_call( - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - method))) { - - log_error("Could not allocate message."); - return -ENOMEM; - } + m = dbus_message_new_method_call( + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + method); + if (!m) + return log_oom(); dbus_message_iter_init_append(m, &iter); - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { - log_error("Could not append arguments to message."); - r = -ENOMEM; - goto finish; - } - - STRV_FOREACH(name, args+1) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, name)) { - log_error("Could not append arguments to message."); - r = -ENOMEM; - goto finish; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) { - log_error("Could not append arguments to message."); - r = -ENOMEM; - goto finish; - } + r = bus_append_strv_iter(&iter, args + 1); + if (r < 0) + return log_oom(); - if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { log_error("Failed to issue method call: %s", bus_error_message(&error)); r = -EIO; goto finish; @@ -3378,14 +3384,7 @@ static int set_environment(DBusConnection *bus, char **args) { r = 0; finish: - if (m) - dbus_message_unref(m); - - if (reply) - dbus_message_unref(reply); - dbus_error_free(&error); - return r; } @@ -3571,7 +3570,15 @@ static int mangle_names(char **original_names, char ***mangled_names) { i = l; STRV_FOREACH(name, original_names) { - *i = unit_name_mangle(*name); + + /* When enabling units qualified path names are OK, + * too, hence allow them explicitly. */ + + if (is_path(*name)) + *i = strdup(*name); + else + *i = unit_name_mangle(*name); + if (!*i) { strv_free(l); return log_oom(); @@ -3640,6 +3647,7 @@ static int enable_unit(DBusConnection *bus, char **args) { } } + r = 0; } else { const char *method; bool send_force = true, expect_carries_install_info = false; @@ -3914,9 +3922,8 @@ static int systemctl_help(void) { " --root=PATH Enable unit files in the specified root directory\n" " --runtime Enable unit files only temporarily until next reboot\n" " -n --lines=INTEGER Journal entries to show\n" - " --follow Follow journal\n" " -o --output=STRING Change journal output mode (short, short-monotonic,\n" - " verbose, export, json, json-pretty, cat)\n\n" + " verbose, export, json, json-pretty, json-sse, cat)\n\n" "Unit Commands:\n" " list-units List loaded units\n" " start [NAME...] Start (activate) one or more units\n" @@ -3977,7 +3984,8 @@ static int systemctl_help(void) { " exit Request user instance exit\n" " switch-root [ROOT] [INIT] Change to a different root file system\n" " suspend Suspend the system\n" - " hibernate Hibernate the system\n", + " hibernate Hibernate the system\n" + " hybrid-sleep Hibernate and suspend the system\n", program_invocation_short_name); return 0; @@ -4070,7 +4078,6 @@ static int systemctl_parse_argv(int argc, char *argv[]) { ARG_NO_ASK_PASSWORD, ARG_FAILED, ARG_RUNTIME, - ARG_FOLLOW, ARG_FORCE }; @@ -4104,7 +4111,6 @@ static int systemctl_parse_argv(int argc, char *argv[]) { { "privileged",no_argument, NULL, 'P' }, { "runtime", no_argument, NULL, ARG_RUNTIME }, { "lines", required_argument, NULL, 'n' }, - { "follow", no_argument, NULL, ARG_FOLLOW }, { "output", required_argument, NULL, 'o' }, { NULL, 0, NULL, 0 } }; @@ -4224,14 +4230,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_force ++; break; - case ARG_FOLLOW: - arg_follow = true; - break; - case 'f': - /* -f is short for both --follow and --force! */ arg_force ++; - arg_follow = true; break; case ARG_NO_RELOAD: @@ -4914,6 +4914,7 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError { "kexec", EQUAL, 1, start_special }, { "suspend", EQUAL, 1, start_special }, { "hibernate", EQUAL, 1, start_special }, + { "hybrid-sleep", EQUAL, 1, start_special }, { "default", EQUAL, 1, start_special }, { "rescue", EQUAL, 1, start_special }, { "emergency", EQUAL, 1, start_special },