2 * Copyright (C) 2014 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
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.
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.
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.
26 #include <common/mi-lttng.h>
27 #include <common/config/session-config.h>
29 #include "../command.h"
31 static char *opt_input_path
;
33 static int opt_load_all
;
35 static const char *session_name
;
44 static struct mi_writer
*writer
;
46 static struct poptOption load_opts
[] = {
47 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
48 {"help", 'h', POPT_ARG_NONE
, 0, OPT_HELP
, 0, 0},
49 {"all", 'a', POPT_ARG_NONE
, 0, OPT_ALL
, 0, 0},
50 {"input-path", 'i', POPT_ARG_STRING
, &opt_input_path
, 0, 0, 0},
51 {"force", 'f', POPT_ARG_NONE
, 0, OPT_FORCE
, 0, 0},
52 {"list-options", 0, POPT_ARG_NONE
, NULL
, OPT_LIST_OPTIONS
, NULL
, NULL
},
56 static int mi_partial_session(const char *session_name
)
62 /* Open session element */
63 ret
= mi_lttng_writer_open_element(writer
, config_element_session
);
68 ret
= mi_lttng_writer_write_element_string(writer
, config_element_name
,
74 /* Closing session element */
75 ret
= mi_lttng_writer_close_element(writer
);
81 * Mi print of load command
83 static int mi_load_print(const char *session_name
)
89 /* We use a wildcard to represent all sessions */
93 /* Print load element */
94 ret
= mi_lttng_writer_open_element(writer
, mi_lttng_element_load
);
99 /* Print session element */
100 ret
= mi_partial_session(session_name
);
106 if (opt_input_path
) {
107 ret
= mi_lttng_writer_write_element_string(writer
, config_element_path
,
114 /* Close load element */
115 ret
= mi_lttng_writer_close_element(writer
);
122 * The 'load <options>' first level command
124 int cmd_load(int argc
, const char **argv
)
126 int ret
= CMD_SUCCESS
, command_ret
= CMD_SUCCESS
, success
;
130 pc
= poptGetContext(NULL
, argc
, argv
, load_opts
, 0);
131 poptReadDefaultConfig(pc
, 0);
133 while ((opt
= poptGetNextOpt(pc
)) != -1) {
141 case OPT_LIST_OPTIONS
:
142 list_cmd_options(stdout
, load_opts
);
154 session_name
= poptGetArg(pc
);
156 DBG2("Loading session name: %s", session_name
);
158 /* Default to load_all */
165 writer
= mi_lttng_writer_create(fileno(stdout
), lttng_opt_mi
);
167 ret
= -LTTNG_ERR_NOMEM
;
171 /* Open command element */
172 ret
= mi_lttng_writer_command_open(writer
,
173 mi_lttng_element_command_load
);
179 /* Open output element */
180 ret
= mi_lttng_writer_open_element(writer
,
181 mi_lttng_element_command_output
);
188 command_ret
= config_load_session(opt_input_path
, session_name
, opt_force
, 0);
190 ERR("%s", lttng_strerror(command_ret
));
194 MSG("All sessions have been loaded successfully");
195 } else if (session_name
) {
196 ret
= config_init((char *)session_name
);
200 MSG("Session %s has been loaded successfully", session_name
);
202 MSG("Session has been loaded successfully");
207 /* Mi Printing and closing */
210 ret
= mi_load_print(session_name
);
216 /* Close output element */
217 ret
= mi_lttng_writer_close_element(writer
);
224 ret
= mi_lttng_writer_write_element_bool(writer
,
225 mi_lttng_element_command_success
, success
);
231 /* Command element close */
232 ret
= mi_lttng_writer_command_close(writer
);
239 if (writer
&& mi_lttng_writer_destroy(writer
)) {
240 /* Preserve original error code */
241 ret
= ret
? ret
: -LTTNG_ERR_MI_IO_FAIL
;
244 /* Overwrite ret if the was an error with the load command */
245 ret
= command_ret
? -command_ret
: ret
;