diff options
Diffstat (limited to 'src/cgls/cgls.c')
| -rw-r--r-- | src/cgls/cgls.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c deleted file mode 100644 index c6f5485716..0000000000 --- a/src/cgls/cgls.c +++ /dev/null @@ -1,268 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stdio.h> -#include <unistd.h> -#include <errno.h> -#include <getopt.h> -#include <string.h> - -#include "cgroup-show.h" -#include "cgroup-util.h" -#include "log.h" -#include "path-util.h" -#include "util.h" -#include "pager.h" -#include "build.h" -#include "output-mode.h" -#include "fileio.h" -#include "sd-bus.h" -#include "bus-util.h" -#include "bus-error.h" -#include "unit-name.h" - -static bool arg_no_pager = false; -static bool arg_kernel_threads = false; -static bool arg_all = false; -static int arg_full = -1; -static char* arg_machine = NULL; - -static void help(void) { - printf("%s [OPTIONS...] [CGROUP...]\n\n" - "Recursively show control group contents.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --no-pager Do not pipe output into a pager\n" - " -a --all Show all groups, including empty\n" - " -l --full Do not ellipsize output\n" - " -k Include kernel threads in output\n" - " -M --machine Show container\n" - , program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_NO_PAGER = 0x100, - ARG_VERSION, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "no-pager", no_argument, NULL, ARG_NO_PAGER }, - { "all", no_argument, NULL, 'a' }, - { "full", no_argument, NULL, 'l' }, - { "machine", required_argument, NULL, 'M' }, - {} - }; - - int c; - - assert(argc >= 1); - assert(argv); - - while ((c = getopt_long(argc, argv, "hkalM:", options, NULL)) >= 0) - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(SYSTEMD_FEATURES); - return 0; - - case ARG_NO_PAGER: - arg_no_pager = true; - break; - - case 'a': - arg_all = true; - break; - - case 'l': - arg_full = true; - break; - - case 'k': - arg_kernel_threads = true; - break; - - case 'M': - arg_machine = optarg; - break; - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unhandled option"); - } - - return 1; -} - -int main(int argc, char *argv[]) { - int r = 0, retval = EXIT_FAILURE; - int output_flags; - _cleanup_free_ char *root = NULL; - _cleanup_bus_close_unref_ sd_bus *bus = NULL; - - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r < 0) - goto finish; - else if (r == 0) { - retval = EXIT_SUCCESS; - goto finish; - } - - if (!arg_no_pager) { - r = pager_open(false); - if (r > 0) { - if (arg_full == -1) - arg_full = true; - } - } - - output_flags = - arg_all * OUTPUT_SHOW_ALL | - (arg_full > 0) * OUTPUT_FULL_WIDTH; - - r = bus_open_transport(BUS_TRANSPORT_LOCAL, NULL, false, &bus); - if (r < 0) { - log_error_errno(r, "Failed to create bus connection: %m"); - goto finish; - } - - if (optind < argc) { - int i; - - for (i = optind; i < argc; i++) { - int q; - - fprintf(stdout, "%s:\n", argv[i]); - fflush(stdout); - - if (arg_machine) - root = strjoin("machine/", arg_machine, "/", argv[i], NULL); - else - root = strdup(argv[i]); - if (!root) - return log_oom(); - - q = show_cgroup_by_path(root, NULL, 0, - arg_kernel_threads, output_flags); - if (q < 0) - r = q; - } - - } else { - _cleanup_free_ char *p; - - p = get_current_dir_name(); - if (!p) { - log_error_errno(errno, "Cannot determine current working directory: %m"); - goto finish; - } - - if (path_startswith(p, "/sys/fs/cgroup") && !arg_machine) { - printf("Working Directory %s:\n", p); - r = show_cgroup_by_path(p, NULL, 0, - arg_kernel_threads, output_flags); - } else { - if (arg_machine) { - char *m; - const char *cgroup; - _cleanup_free_ char *scope = NULL; - _cleanup_free_ char *path = NULL; - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - - m = strjoina("/run/systemd/machines/", arg_machine); - r = parse_env_file(m, NEWLINE, "SCOPE", &scope, NULL); - if (r < 0) { - log_error_errno(r, "Failed to get machine path: %m"); - goto finish; - } - - path = unit_dbus_path_from_name(scope); - if (!path) { - log_oom(); - goto finish; - } - - r = sd_bus_get_property( - bus, - "org.freedesktop.systemd1", - path, - "org.freedesktop.systemd1.Scope", - "ControlGroup", - &error, - &reply, - "s"); - - if (r < 0) { - log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r)); - goto finish; - } - - r = sd_bus_message_read(reply, "s", &cgroup); - if (r < 0) { - bus_log_parse_error(r); - goto finish; - } - - root = strdup(cgroup); - if (!root) { - log_oom(); - goto finish; - } - - } else - r = cg_get_root_path(&root); - if (r < 0) { - log_error_errno(r, "Failed to get %s path: %m", - arg_machine ? "machine" : "root"); - goto finish; - } - - r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, root, NULL, 0, - arg_kernel_threads, output_flags); - } - } - - if (r < 0) { - log_error_errno(r, "Failed to list cgroup tree %s: %m", root); - retval = EXIT_FAILURE; - } else - retval = EXIT_SUCCESS; - -finish: - pager_close(); - - return retval; -} |