mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
Put command-line arguments related functions in a separate file
This commit is contained in:
Maxim Biro
parent
6b40a581b1
commit
7d86caf51f
@ -10,7 +10,9 @@ tox_bootstrapd_SOURCES = \
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../other/bootstrap_daemon/src/config.c \
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../other/bootstrap_daemon/src/config_defaults.h \
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../other/bootstrap_node_packets.h \
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../other/bootstrap_node_packets.c
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../other/bootstrap_node_packets.c \
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../other/bootstrap_daemon/src/command_line_arguments.h \
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../other/bootstrap_daemon/src/command_line_arguments.c
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tox_bootstrapd_CFLAGS = \
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-I$(top_srcdir)/other/bootstrap_daemon \
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141
other/bootstrap_daemon/src/command_line_arguments.c
Normal file
141
other/bootstrap_daemon/src/command_line_arguments.c
Normal file
@ -0,0 +1,141 @@
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/* command_line_arguments.c
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*
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* Tox DHT bootstrap daemon.
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*
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* Copyright (C) 2015 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "command_line_arguments.h"
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#include "global.h"
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#include <getopt.h>
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#include <stdlib.h>
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#include <string.h>
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// Prints --help message
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void print_help()
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{
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// 2 space ident
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// make sure all lines fit into 80 columns
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// make sure options are listed in alphabetical order
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write_log(LOG_LEVEL_INFO,
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"Usage: tox-bootstrapd [OPTION]... --config=FILE_PATH\n"
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"\n"
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"Options:\n"
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" --config=FILE_PATH Specify path to the config file.\n"
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" This is a required option.\n"
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" Set FILE_PATH to a path to an empty file in order to\n"
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" use default settings.\n"
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" --foreground Run the daemon in foreground. The daemon won't fork\n"
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" (detach from the terminal) and won't use the PID file.\n"
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" --help Print this help message.\n"
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" --log-backend=BACKEND Specify which logging backend to use.\n"
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" Valid BACKEND values (case sensetive):\n"
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" syslog Writes log messages to syslog.\n"
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" Default option when no --log-backend is\n"
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" specified.\n"
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" stdout Writes log messages to stdout/stderr.\n"
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" --version Print version information.\n");
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}
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void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend, bool *run_in_foreground)
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{
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if (argc < 2) {
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write_log(LOG_LEVEL_ERROR, "Error: No arguments provided.\n\n");
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print_help();
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exit(1);
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}
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opterr = 0;
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static struct option long_options[] = {
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{"help", no_argument, 0, 'h'},
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{"config", required_argument, 0, 'c'}, // required option
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{"foreground", no_argument, 0, 'f'},
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{"log-backend", required_argument, 0, 'l'}, // optional, defaults to syslog
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{"version", no_argument, 0, 'v'},
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{0, 0, 0, 0 }
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};
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bool cfg_file_path_set = false;
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bool log_backend_set = false;
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*run_in_foreground = false;
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int opt;
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while ((opt = getopt_long(argc, argv, ":", long_options, NULL)) != -1) {
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switch (opt) {
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case 'h':
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print_help();
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exit(0);
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case 'c':
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*cfg_file_path = optarg;
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cfg_file_path_set = true;
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break;
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case 'f':
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*run_in_foreground = true;
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break;
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case 'l':
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if (strcmp(optarg, "syslog") == 0) {
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*log_backend = LOG_BACKEND_SYSLOG;
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log_backend_set = true;
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} else if (strcmp(optarg, "stdout") == 0) {
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*log_backend = LOG_BACKEND_STDOUT;
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log_backend_set = true;
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} else {
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write_log(LOG_LEVEL_ERROR, "Error: Invalid BACKEND value for --log-backend option passed: %s\n\n", optarg);
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print_help();
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exit(1);
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}
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break;
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case 'v':
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write_log(LOG_LEVEL_INFO, "Version: %lu\n", DAEMON_VERSION_NUMBER);
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exit(0);
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case '?':
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write_log(LOG_LEVEL_ERROR, "Error: Unrecognized option %s\n\n", argv[optind-1]);
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print_help();
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exit(1);
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case ':':
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write_log(LOG_LEVEL_ERROR, "Error: No argument provided for option %s\n\n", argv[optind-1]);
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print_help();
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exit(1);
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}
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}
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if (!log_backend_set) {
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*log_backend = LOG_BACKEND_SYSLOG;
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}
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if (!cfg_file_path_set) {
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write_log(LOG_LEVEL_ERROR, "Error: The required --config option wasn't specified\n\n");
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print_help();
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exit(1);
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}
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}
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34
other/bootstrap_daemon/src/command_line_arguments.h
Normal file
34
other/bootstrap_daemon/src/command_line_arguments.h
Normal file
@ -0,0 +1,34 @@
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/* command_line_arguments.h
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*
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* Tox DHT bootstrap daemon.
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*
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* Copyright (C) 2015 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef COMMAND_LINE_ARGUMENTS_H
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#define COMMAND_LINE_ARGUMENTS_H
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#include "log.h"
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// Handles command line arguments, setting cfg_file_path and log_backend.
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// Terminates the application if incorrect arguments are specified.
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void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend, bool *run_in_foreground);
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#endif // COMMAND_LINE_ARGUMENTS_H
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@ -49,6 +49,7 @@
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#include "../bootstrap_node_packets.h"
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#include "../../testing/misc_tools.c"
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#include "command_line_arguments.h"
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#include "config.h"
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#include "global.h"
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#include "log.h"
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@ -122,119 +123,6 @@ void print_public_key(const uint8_t *public_key)
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return;
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}
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// Prints --help message
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bool print_help()
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{
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// 2 space ident
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// make sure all lines fit into 80 columns
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// make sure options are listed in alphabetical order
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write_log(LOG_LEVEL_INFO,
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"Usage: tox-bootstrapd [OPTION]... --config=FILE_PATH\n"
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"\n"
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"Options:\n"
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" --config=FILE_PATH Specify path to the config file.\n"
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" This is a required option.\n"
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" Set FILE_PATH to a path to an empty file in order to\n"
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" use default settings.\n"
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" --foreground Run the daemon in foreground. The daemon won't fork\n"
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" (detach from the terminal) and won't use the PID file.\n"
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" --help Print this help message.\n"
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" --log-backend=BACKEND Specify which logging backend to use.\n"
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" Valid BACKEND values (case sensetive):\n"
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" syslog Writes log messages to syslog.\n"
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" Default option when no --log-backend is\n"
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" specified.\n"
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" stdout Writes log messages to stdout/stderr.\n"
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" --version Print version information.\n");
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}
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// Handels command line arguments, setting cfg_file_path and log_backend.
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// Terminates the application if incorrect arguments are specified.
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void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend, bool *run_in_foreground)
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{
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if (argc < 2) {
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write_log(LOG_LEVEL_ERROR, "Error: No arguments provided.\n\n");
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print_help();
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exit(1);
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}
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opterr = 0;
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static struct option long_options[] = {
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{"help", no_argument, 0, 'h'},
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{"config", required_argument, 0, 'c'}, // required option
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{"foreground", no_argument, 0, 'f'},
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{"log-backend", required_argument, 0, 'l'}, // optional, defaults to syslog
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{"version", no_argument, 0, 'v'},
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{0, 0, 0, 0 }
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};
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bool cfg_file_path_set = false;
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bool log_backend_set = false;
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*run_in_foreground = false;
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int opt;
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while ((opt = getopt_long(argc, argv, ":", long_options, NULL)) != -1) {
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switch (opt) {
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case 'h':
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print_help();
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exit(0);
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case 'c':
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*cfg_file_path = optarg;
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cfg_file_path_set = true;
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break;
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case 'f':
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*run_in_foreground = true;
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break;
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case 'l':
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if (strcmp(optarg, "syslog") == 0) {
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*log_backend = LOG_BACKEND_SYSLOG;
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log_backend_set = true;
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} else if (strcmp(optarg, "stdout") == 0) {
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*log_backend = LOG_BACKEND_STDOUT;
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log_backend_set = true;
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} else {
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write_log(LOG_LEVEL_ERROR, "Error: Invalid BACKEND value for --log-backend option passed: %s\n\n", optarg);
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print_help();
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exit(1);
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}
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break;
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case 'v':
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write_log(LOG_LEVEL_INFO, "Version: %lu\n", DAEMON_VERSION_NUMBER);
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exit(0);
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case '?':
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write_log(LOG_LEVEL_ERROR, "Error: Unrecognized option %s\n\n", argv[optind-1]);
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print_help();
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exit(1);
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case ':':
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write_log(LOG_LEVEL_ERROR, "Error: No argument provided for option %s\n\n", argv[optind-1]);
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print_help();
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exit(1);
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}
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}
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if (!log_backend_set) {
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*log_backend = LOG_BACKEND_SYSLOG;
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}
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if (!cfg_file_path_set) {
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write_log(LOG_LEVEL_ERROR, "Error: The required --config option wasn't specified\n\n");
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print_help();
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exit(1);
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}
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}
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// Demonizes the process, appending PID to the PID file and closing file descriptors based on log backend
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// Terminates the application if the daemonization fails.
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