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author | irungentoo <irungentoo@gmail.com> | 2016-01-04 22:43:36 -0500 |
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committer | irungentoo <irungentoo@gmail.com> | 2016-01-04 22:43:36 -0500 |
commit | c6bed82d47aa39709bdd568fccc3847714ed1b74 (patch) | |
tree | 4e2dd8676a53e78a5b84e3abd68cdbe82a636737 /other/bootstrap_daemon/src/command_line_arguments.c | |
parent | 760f20c9455c2ef33ec9d242f209a1543f6acaf4 (diff) | |
parent | 9d1efd594914629204d4cd1a84678daf67eb8068 (diff) |
Merge branch 'tox-bootstrapd-docker-support' of https://github.com/nurupo/InsertProjectNameHere
Diffstat (limited to 'other/bootstrap_daemon/src/command_line_arguments.c')
-rw-r--r-- | other/bootstrap_daemon/src/command_line_arguments.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/other/bootstrap_daemon/src/command_line_arguments.c b/other/bootstrap_daemon/src/command_line_arguments.c new file mode 100644 index 00000000..187fa786 --- /dev/null +++ b/other/bootstrap_daemon/src/command_line_arguments.c | |||
@@ -0,0 +1,145 @@ | |||
1 | /* command_line_arguments.c | ||
2 | * | ||
3 | * Tox DHT bootstrap daemon. | ||
4 | * Command line argument handling. | ||
5 | * | ||
6 | * Copyright (C) 2015-2016 Tox project All Rights Reserved. | ||
7 | * | ||
8 | * This file is part of Tox. | ||
9 | * | ||
10 | * Tox is free software: you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation, either version 3 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * Tox is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with Tox. If not, see <http://www.gnu.org/licenses/>. | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #include "command_line_arguments.h" | ||
26 | |||
27 | #include "global.h" | ||
28 | |||
29 | #include <getopt.h> | ||
30 | |||
31 | #include <stdlib.h> | ||
32 | #include <string.h> | ||
33 | |||
34 | |||
35 | /** | ||
36 | * Prints --help message | ||
37 | */ | ||
38 | void print_help() | ||
39 | { | ||
40 | // 2 space ident | ||
41 | // make sure all lines fit into 80 columns | ||
42 | // make sure options are listed in alphabetical order | ||
43 | write_log(LOG_LEVEL_INFO, | ||
44 | "Usage: tox-bootstrapd [OPTION]... --config=FILE_PATH\n" | ||
45 | "\n" | ||
46 | "Options:\n" | ||
47 | " --config=FILE_PATH Specify path to the config file.\n" | ||
48 | " This is a required option.\n" | ||
49 | " Set FILE_PATH to a path to an empty file in order to\n" | ||
50 | " use default settings.\n" | ||
51 | " --foreground Run the daemon in foreground. The daemon won't fork\n" | ||
52 | " (detach from the terminal) and won't use the PID file.\n" | ||
53 | " --help Print this help message.\n" | ||
54 | " --log-backend=BACKEND Specify which logging backend to use.\n" | ||
55 | " Valid BACKEND values (case sensetive):\n" | ||
56 | " syslog Writes log messages to syslog.\n" | ||
57 | " Default option when no --log-backend is\n" | ||
58 | " specified.\n" | ||
59 | " stdout Writes log messages to stdout/stderr.\n" | ||
60 | " --version Print version information.\n"); | ||
61 | } | ||
62 | |||
63 | void handle_command_line_arguments(int argc, char *argv[], char **cfg_file_path, LOG_BACKEND *log_backend, bool *run_in_foreground) | ||
64 | { | ||
65 | if (argc < 2) { | ||
66 | write_log(LOG_LEVEL_ERROR, "Error: No arguments provided.\n\n"); | ||
67 | print_help(); | ||
68 | exit(1); | ||
69 | } | ||
70 | |||
71 | opterr = 0; | ||
72 | |||
73 | static struct option long_options[] = { | ||
74 | {"config", required_argument, 0, 'c'}, // required option | ||
75 | {"foreground", no_argument, 0, 'f'}, | ||
76 | {"help", no_argument, 0, 'h'}, | ||
77 | {"log-backend", required_argument, 0, 'l'}, // optional, defaults to syslog | ||
78 | {"version", no_argument, 0, 'v'}, | ||
79 | {0, 0, 0, 0 } | ||
80 | }; | ||
81 | |||
82 | bool cfg_file_path_set = false; | ||
83 | bool log_backend_set = false; | ||
84 | |||
85 | *run_in_foreground = false; | ||
86 | |||
87 | int opt; | ||
88 | |||
89 | while ((opt = getopt_long(argc, argv, ":", long_options, NULL)) != -1) { | ||
90 | |||
91 | switch (opt) { | ||
92 | |||
93 | case 'c': | ||
94 | *cfg_file_path = optarg; | ||
95 | cfg_file_path_set = true; | ||
96 | break; | ||
97 | |||
98 | case 'f': | ||
99 | *run_in_foreground = true; | ||
100 | break; | ||
101 | |||
102 | case 'h': | ||
103 | print_help(); | ||
104 | exit(0); | ||
105 | |||
106 | case 'l': | ||
107 | if (strcmp(optarg, "syslog") == 0) { | ||
108 | *log_backend = LOG_BACKEND_SYSLOG; | ||
109 | log_backend_set = true; | ||
110 | } else if (strcmp(optarg, "stdout") == 0) { | ||
111 | *log_backend = LOG_BACKEND_STDOUT; | ||
112 | log_backend_set = true; | ||
113 | } else { | ||
114 | write_log(LOG_LEVEL_ERROR, "Error: Invalid BACKEND value for --log-backend option passed: %s\n\n", optarg); | ||
115 | print_help(); | ||
116 | exit(1); | ||
117 | } | ||
118 | break; | ||
119 | |||
120 | case 'v': | ||
121 | write_log(LOG_LEVEL_INFO, "Version: %lu\n", DAEMON_VERSION_NUMBER); | ||
122 | exit(0); | ||
123 | |||
124 | case '?': | ||
125 | write_log(LOG_LEVEL_ERROR, "Error: Unrecognized option %s\n\n", argv[optind-1]); | ||
126 | print_help(); | ||
127 | exit(1); | ||
128 | |||
129 | case ':': | ||
130 | write_log(LOG_LEVEL_ERROR, "Error: No argument provided for option %s\n\n", argv[optind-1]); | ||
131 | print_help(); | ||
132 | exit(1); | ||
133 | } | ||
134 | } | ||
135 | |||
136 | if (!log_backend_set) { | ||
137 | *log_backend = LOG_BACKEND_SYSLOG; | ||
138 | } | ||
139 | |||
140 | if (!cfg_file_path_set) { | ||
141 | write_log(LOG_LEVEL_ERROR, "Error: The required --config option wasn't specified\n\n"); | ||
142 | print_help(); | ||
143 | exit(1); | ||
144 | } | ||
145 | } | ||