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8c42d845 JG |
1 | /* |
2 | * Copyright (C) 2014 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along | |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <inttypes.h> | |
20 | #include <popt.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <assert.h> | |
25 | ||
26 | #include <common/config/config.h> | |
27 | #include "../command.h" | |
28 | ||
29 | static char *opt_input_path; | |
8c42d845 JG |
30 | static int opt_force; |
31 | static int opt_load_all; | |
32 | ||
11143783 DG |
33 | static const char *session_name; |
34 | ||
8c42d845 JG |
35 | enum { |
36 | OPT_HELP = 1, | |
37 | OPT_ALL, | |
38 | OPT_FORCE, | |
39 | }; | |
40 | ||
41 | static struct poptOption load_opts[] = { | |
42 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
43 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
44 | {"all", 'a', POPT_ARG_NONE, 0, OPT_ALL, 0, 0}, | |
8c42d845 JG |
45 | {"input-path", 'i', POPT_ARG_STRING, &opt_input_path, 0, 0, 0}, |
46 | {"force", 'f', POPT_ARG_NONE, 0, OPT_FORCE, 0, 0}, | |
47 | {0, 0, 0, 0, 0, 0, 0} | |
48 | }; | |
49 | ||
50 | /* | |
51 | * usage | |
52 | */ | |
53 | static void usage(FILE *ofp) | |
54 | { | |
11143783 | 55 | fprintf(ofp, "usage: lttng load [OPTIONS] [SESSION]\n"); |
8c42d845 JG |
56 | fprintf(ofp, "\n"); |
57 | fprintf(ofp, "Options:\n"); | |
d7c6b799 DG |
58 | fprintf(ofp, " -h, --help Show this help\n"); |
59 | fprintf(ofp, " -a, --all Load all sessions (default)\n"); | |
60 | fprintf(ofp, " -i, --input-path PATH Input path of the session file(s).\n"); | |
61 | fprintf(ofp, " If a directory, load all files in it\n"); | |
62 | fprintf(ofp, " else try to load the given file.\n"); | |
63 | fprintf(ofp, " -f, --force Override existing session(s).\n"); | |
64 | fprintf(ofp, " This will destroy existing session(s)\n"); | |
65 | fprintf(ofp, " before creating new one(s).\n"); | |
8c42d845 JG |
66 | } |
67 | ||
68 | /* | |
69 | * The 'load <options>' first level command | |
70 | */ | |
71 | int cmd_load(int argc, const char **argv) | |
72 | { | |
73 | int ret = CMD_SUCCESS; | |
74 | int opt; | |
75 | poptContext pc; | |
76 | ||
77 | pc = poptGetContext(NULL, argc, argv, load_opts, 0); | |
78 | poptReadDefaultConfig(pc, 0); | |
79 | ||
80 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
81 | switch (opt) { | |
82 | case OPT_HELP: | |
83 | usage(stdout); | |
84 | goto end; | |
85 | case OPT_ALL: | |
86 | opt_load_all = 1; | |
87 | break; | |
88 | case OPT_FORCE: | |
89 | opt_force = 1; | |
90 | break; | |
91 | default: | |
92 | usage(stderr); | |
93 | ret = CMD_UNDEFINED; | |
94 | goto end; | |
95 | } | |
96 | } | |
97 | ||
11143783 DG |
98 | if (!opt_load_all) { |
99 | session_name = poptGetArg(pc); | |
732b768a DG |
100 | if (session_name) { |
101 | DBG2("Loading session name: %s", session_name); | |
11143783 | 102 | } |
8c42d845 JG |
103 | } |
104 | ||
13b5639d | 105 | ret = config_load_session(opt_input_path, session_name, opt_force, 0); |
8c42d845 | 106 | if (ret) { |
11143783 DG |
107 | ERR("%s", lttng_strerror(ret)); |
108 | ret = -ret; | |
279d6193 DG |
109 | } else { |
110 | if (opt_load_all) { | |
111 | MSG("All sessions have been loaded successfully"); | |
732b768a | 112 | } else if (session_name) { |
509e3a46 DG |
113 | ret = config_init((char *)session_name); |
114 | if (ret < 0) { | |
115 | ret = CMD_WARNING; | |
116 | } | |
279d6193 | 117 | MSG("Session %s has been loaded successfully", session_name); |
732b768a DG |
118 | } else { |
119 | MSG("Session has been loaded successfully"); | |
279d6193 | 120 | } |
8c42d845 JG |
121 | } |
122 | end: | |
123 | poptFreeContext(pc); | |
124 | return ret; | |
125 | } |