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1 | // SPDX-License-Identifier: BSD-3-Clause |
2 | /* Copyright 2014-2020, Intel Corporation */ | |
3 | ||
4 | /* | |
5 | * pmempool.c -- pmempool main source file | |
6 | */ | |
7 | ||
8 | #include <stdio.h> | |
9 | #include <libgen.h> | |
10 | #include <string.h> | |
11 | #include <unistd.h> | |
12 | #include <stdlib.h> | |
13 | #include <getopt.h> | |
14 | #include <stdbool.h> | |
15 | #include "common.h" | |
16 | #include "output.h" | |
17 | #include "info.h" | |
18 | #include "create.h" | |
19 | #include "dump.h" | |
20 | #include "check.h" | |
21 | #include "rm.h" | |
22 | #include "convert.h" | |
23 | #include "synchronize.h" | |
24 | #include "transform.h" | |
25 | #include "feature.h" | |
26 | #include "set.h" | |
27 | #include "pmemcommon.h" | |
28 | ||
29 | #ifndef _WIN32 | |
30 | #include "rpmem_common.h" | |
31 | #include "rpmem_util.h" | |
32 | #endif | |
33 | ||
34 | #define APPNAME "pmempool" | |
35 | ||
36 | #define PMEMPOOL_TOOL_LOG_PREFIX "pmempool" | |
37 | #define PMEMPOOL_TOOL_LOG_LEVEL_VAR "PMEMPOOL_TOOL_LOG_LEVEL" | |
38 | #define PMEMPOOL_TOOL_LOG_FILE_VAR "PMEMPOOL_TOOL_LOG_FILE" | |
39 | ||
40 | /* | |
41 | * command -- struct for pmempool commands definition | |
42 | */ | |
43 | struct command { | |
44 | const char *name; | |
45 | const char *brief; | |
46 | int (*func)(const char *, int, char *[]); | |
47 | void (*help)(const char *); | |
48 | }; | |
49 | ||
50 | static const struct command *get_command(const char *cmd_str); | |
51 | static void print_help(const char *appname); | |
52 | ||
53 | /* | |
54 | * long_options -- pmempool command line arguments | |
55 | */ | |
56 | static const struct option long_options[] = { | |
57 | {"version", no_argument, NULL, 'V'}, | |
58 | {"help", no_argument, NULL, 'h'}, | |
59 | {NULL, 0, NULL, 0 }, | |
60 | }; | |
61 | ||
62 | /* | |
63 | * help_help -- prints help message for help command | |
64 | */ | |
65 | static void | |
66 | help_help(const char *appname) | |
67 | { | |
68 | printf("Usage: %s help <command>\n", appname); | |
69 | } | |
70 | ||
71 | /* | |
72 | * help_func -- prints help message for specified command | |
73 | */ | |
74 | static int | |
75 | help_func(const char *appname, int argc, char *argv[]) | |
76 | { | |
77 | if (argc > 1) { | |
78 | char *cmd_str = argv[1]; | |
79 | const struct command *cmdp = get_command(cmd_str); | |
80 | ||
81 | if (cmdp && cmdp->help) { | |
82 | cmdp->help(appname); | |
83 | return 0; | |
84 | } else { | |
85 | outv_err("No help text for '%s' command\n", cmd_str); | |
86 | return -1; | |
87 | } | |
88 | } else { | |
89 | print_help(appname); | |
90 | return -1; | |
91 | } | |
92 | } | |
93 | ||
94 | /* | |
95 | * commands -- definition of all pmempool commands | |
96 | */ | |
97 | static const struct command commands[] = { | |
98 | { | |
99 | .name = "info", | |
100 | .brief = "print information and statistics about a pool", | |
101 | .func = pmempool_info_func, | |
102 | .help = pmempool_info_help, | |
103 | }, | |
104 | { | |
105 | .name = "create", | |
106 | .brief = "create a pool", | |
107 | .func = pmempool_create_func, | |
108 | .help = pmempool_create_help, | |
109 | }, | |
110 | { | |
111 | .name = "dump", | |
112 | .brief = "dump user data from a pool", | |
113 | .func = pmempool_dump_func, | |
114 | .help = pmempool_dump_help, | |
115 | }, | |
116 | { | |
117 | .name = "check", | |
118 | .brief = "check consistency of a pool", | |
119 | .func = pmempool_check_func, | |
120 | .help = pmempool_check_help, | |
121 | }, | |
122 | { | |
123 | .name = "rm", | |
124 | .brief = "remove pool or poolset", | |
125 | .func = pmempool_rm_func, | |
126 | .help = pmempool_rm_help, | |
127 | }, | |
128 | { | |
129 | .name = "convert", | |
130 | .brief = "perform pool layout conversion", | |
131 | .func = pmempool_convert_func, | |
132 | .help = pmempool_convert_help, | |
133 | }, | |
134 | { | |
135 | .name = "sync", | |
136 | .brief = "synchronize data between replicas", | |
137 | .func = pmempool_sync_func, | |
138 | .help = pmempool_sync_help, | |
139 | }, | |
140 | { | |
141 | .name = "transform", | |
142 | .brief = "modify internal structure of a poolset", | |
143 | .func = pmempool_transform_func, | |
144 | .help = pmempool_transform_help, | |
145 | }, | |
146 | { | |
147 | .name = "feature", | |
148 | .brief = "toggle / query pool features", | |
149 | .func = pmempool_feature_func, | |
150 | .help = pmempool_feature_help, | |
151 | }, | |
152 | { | |
153 | .name = "help", | |
154 | .brief = "print help text about a command", | |
155 | .func = help_func, | |
156 | .help = help_help, | |
157 | }, | |
158 | }; | |
159 | ||
160 | /* | |
161 | * number of pmempool commands | |
162 | */ | |
163 | #define COMMANDS_NUMBER (sizeof(commands) / sizeof(commands[0])) | |
164 | ||
165 | /* | |
166 | * print_version -- prints pmempool version message | |
167 | */ | |
168 | static void | |
169 | print_version(const char *appname) | |
170 | { | |
171 | printf("%s %s\n", appname, SRCVERSION); | |
172 | } | |
173 | ||
174 | /* | |
175 | * print_usage -- prints pmempool usage message | |
176 | */ | |
177 | static void | |
178 | print_usage(const char *appname) | |
179 | { | |
180 | printf("usage: %s [--version] [--help] <command> [<args>]\n", appname); | |
181 | } | |
182 | ||
183 | /* | |
184 | * print_help -- prints pmempool help message | |
185 | */ | |
186 | static void | |
187 | print_help(const char *appname) | |
188 | { | |
189 | print_usage(appname); | |
190 | print_version(appname); | |
191 | printf("\n"); | |
192 | printf("Options:\n"); | |
193 | printf(" -V, --version display version\n"); | |
194 | printf(" -h, --help display this help and exit\n"); | |
195 | printf("\n"); | |
196 | printf("The available commands are:\n"); | |
197 | unsigned i; | |
198 | for (i = 0; i < COMMANDS_NUMBER; i++) { | |
199 | const char *format = (strlen(commands[i].name) / 8) | |
200 | ? "%s\t- %s\n" : "%s\t\t- %s\n"; | |
201 | printf(format, commands[i].name, commands[i].brief); | |
202 | } | |
203 | printf("\n"); | |
204 | printf("For complete documentation see %s(1) manual page.\n", appname); | |
205 | } | |
206 | ||
207 | /* | |
208 | * get_command -- returns command for specified command name | |
209 | */ | |
210 | static const struct command * | |
211 | get_command(const char *cmd_str) | |
212 | { | |
213 | unsigned i; | |
214 | for (i = 0; i < COMMANDS_NUMBER; i++) { | |
215 | if (strcmp(cmd_str, commands[i].name) == 0) | |
216 | return &commands[i]; | |
217 | } | |
218 | ||
219 | return NULL; | |
220 | } | |
221 | ||
222 | int | |
223 | main(int argc, char *argv[]) | |
224 | { | |
225 | int opt; | |
226 | int option_index; | |
227 | int ret = 0; | |
228 | #ifdef _WIN32 | |
229 | util_suppress_errmsg(); | |
230 | wchar_t **wargv = CommandLineToArgvW(GetCommandLineW(), &argc); | |
231 | for (int i = 0; i < argc; i++) { | |
232 | argv[i] = util_toUTF8(wargv[i]); | |
233 | if (argv[i] == NULL) { | |
234 | for (i--; i >= 0; i--) | |
235 | free(argv[i]); | |
236 | outv_err("Error during arguments conversion\n"); | |
237 | return 1; | |
238 | } | |
239 | } | |
240 | #endif | |
241 | ||
242 | common_init(PMEMPOOL_TOOL_LOG_PREFIX, | |
243 | PMEMPOOL_TOOL_LOG_LEVEL_VAR, | |
244 | PMEMPOOL_TOOL_LOG_FILE_VAR, | |
245 | 0 /* major version */, | |
246 | 0 /* minor version */); | |
247 | ||
248 | #ifndef _WIN32 | |
249 | util_remote_init(); | |
250 | rpmem_util_cmds_init(); | |
251 | #endif | |
252 | ||
253 | if (argc < 2) { | |
254 | print_usage(APPNAME); | |
255 | goto end; | |
256 | } | |
257 | ||
258 | while ((opt = getopt_long(2, argv, "Vh", | |
259 | long_options, &option_index)) != -1) { | |
260 | switch (opt) { | |
261 | case 'V': | |
262 | print_version(APPNAME); | |
263 | goto end; | |
264 | case 'h': | |
265 | print_help(APPNAME); | |
266 | goto end; | |
267 | default: | |
268 | print_usage(APPNAME); | |
269 | ret = 1; | |
270 | goto end; | |
271 | } | |
272 | } | |
273 | ||
274 | char *cmd_str = argv[optind]; | |
275 | ||
276 | const struct command *cmdp = get_command(cmd_str); | |
277 | ||
278 | if (cmdp) { | |
279 | ret = cmdp->func(APPNAME, argc - 1, argv + 1); | |
280 | } else { | |
281 | outv_err("'%s' -- unknown command\n", cmd_str); | |
282 | ret = 1; | |
283 | } | |
284 | ||
285 | end: | |
286 | ||
287 | #ifndef _WIN32 | |
288 | util_remote_fini(); | |
289 | rpmem_util_cmds_fini(); | |
290 | #endif | |
291 | ||
292 | common_fini(); | |
293 | ||
294 | #ifdef _WIN32 | |
295 | for (int i = argc; i > 0; i--) | |
296 | free(argv[i - 1]); | |
297 | #endif | |
298 | if (ret) | |
299 | return 1; | |
300 | ||
301 | return 0; | |
302 | } |