diff options
Diffstat (limited to 'src/notify.c')
| -rw-r--r-- | src/notify.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/notify.c b/src/notify.c deleted file mode 100644 index ffc8dfeb9b..0000000000 --- a/src/notify.c +++ /dev/null @@ -1,228 +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 <getopt.h> -#include <error.h> -#include <errno.h> -#include <unistd.h> -#include <stdlib.h> -#include <string.h> - -#include <systemd/sd-daemon.h> - -#include "strv.h" -#include "util.h" -#include "log.h" -#include "sd-readahead.h" -#include "build.h" - -static bool arg_ready = false; -static pid_t arg_pid = 0; -static const char *arg_status = NULL; -static bool arg_booted = false; -static const char *arg_readahead = NULL; - -static int help(void) { - - printf("%s [OPTIONS...] [VARIABLE=VALUE...]\n\n" - "Notify the init system about service status updates.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --ready Inform the init system about service start-up completion\n" - " --pid[=PID] Set main pid of daemon\n" - " --status=TEXT Set status text\n" - " --booted Returns 0 if the system was booted up with systemd, non-zero otherwise\n" - " --readahead=ACTION Controls read-ahead operations\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_READY = 0x100, - ARG_VERSION, - ARG_PID, - ARG_STATUS, - ARG_BOOTED, - ARG_READAHEAD - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "ready", no_argument, NULL, ARG_READY }, - { "pid", optional_argument, NULL, ARG_PID }, - { "status", required_argument, NULL, ARG_STATUS }, - { "booted", no_argument, NULL, ARG_BOOTED }, - { "readahead", required_argument, NULL, ARG_READAHEAD }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(DISTRIBUTION); - puts(SYSTEMD_FEATURES); - return 0; - - case ARG_READY: - arg_ready = true; - break; - - case ARG_PID: - - if (optarg) { - if (parse_pid(optarg, &arg_pid) < 0) { - log_error("Failed to parse PID %s.", optarg); - return -EINVAL; - } - } else - arg_pid = getppid(); - - break; - - case ARG_STATUS: - arg_status = optarg; - break; - - case ARG_BOOTED: - arg_booted = true; - break; - - case ARG_READAHEAD: - arg_readahead = optarg; - break; - - case '?': - return -EINVAL; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - if (optind >= argc && - !arg_ready && - !arg_status && - !arg_pid && - !arg_booted && - !arg_readahead) { - help(); - return -EINVAL; - } - - return 1; -} - -int main(int argc, char* argv[]) { - char* our_env[4], **final_env = NULL; - unsigned i = 0; - char *status = NULL, *cpid = NULL, *n = NULL; - int r, retval = EXIT_FAILURE; - - log_parse_environment(); - log_open(); - - if ((r = parse_argv(argc, argv)) <= 0) { - retval = r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; - goto finish; - } - - if (arg_booted) - return sd_booted() <= 0; - - if (arg_readahead) { - if ((r = sd_readahead(arg_readahead)) < 0) { - log_error("Failed to issue read-ahead control command: %s", strerror(-r)); - goto finish; - } - } - - if (arg_ready) - our_env[i++] = (char*) "READY=1"; - - if (arg_status) { - if (!(status = strappend("STATUS=", arg_status))) { - log_error("Failed to allocate STATUS string."); - goto finish; - } - - our_env[i++] = status; - } - - if (arg_pid > 0) { - if (asprintf(&cpid, "MAINPID=%lu", (unsigned long) arg_pid) < 0) { - log_error("Failed to allocate MAINPID string."); - goto finish; - } - - our_env[i++] = cpid; - } - - our_env[i++] = NULL; - - if (!(final_env = strv_env_merge(2, our_env, argv + optind))) { - log_error("Failed to merge string sets."); - goto finish; - } - - if (strv_length(final_env) <= 0) { - retval = EXIT_SUCCESS; - goto finish; - } - - if (!(n = strv_join(final_env, "\n"))) { - log_error("Failed to concatenate strings."); - goto finish; - } - - if ((r = sd_notify(false, n)) < 0) { - log_error("Failed to notify init system: %s", strerror(-r)); - goto finish; - } - - retval = r <= 0 ? EXIT_FAILURE : EXIT_SUCCESS; - -finish: - free(status); - free(cpid); - free(n); - - strv_free(final_env); - - return retval; -} |