1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2005 Mathieu Desnoyers
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 as
6 * 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
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
27 #include <gdk/gdkkeysyms.h>
29 #include <lttv/lttv.h>
30 #include <lttv/module.h>
31 #include <lttv/hook.h>
33 #include <lttvwindow/lttvwindow.h>
34 #include <lttvwindow/lttvwindowtraces.h>
36 #include "hTraceControlInsert.xpm"
37 #include "TraceControlStart.xpm"
38 #include "TraceControlPause.xpm"
39 #include "TraceControlStop.xpm"
41 #include <sys/types.h>
50 #define MAX_ARGS_LEN PATH_MAX * 10
52 GSList
*g_control_list
= NULL
;
54 /*! \file lttv/modules/gui/tracecontrol/tracecontrol.c
55 * \brief Graphic trace start/stop control interface.
57 * This plugin interacts with lttctl to start/stop tracing. It needs to take the
58 * root password to be able to interact with lttctl.
62 typedef struct _ControlData ControlData
;
67 GtkWidget
*guicontrol_get_widget(ControlData
*tcd
);
68 ControlData
*gui_control(Tab
*tab
);
69 void gui_control_destructor(ControlData
*tcd
);
70 GtkWidget
* h_guicontrol(Tab
*tab
);
71 void control_destroy_walk(gpointer data
, gpointer user_data
);
77 static void start_clicked (GtkButton
*button
, gpointer user_data
);
78 static void pause_clicked (GtkButton
*button
, gpointer user_data
);
79 static void unpause_clicked (GtkButton
*button
, gpointer user_data
);
80 static void stop_clicked (GtkButton
*button
, gpointer user_data
);
84 * @struct _ControlData
86 * @brief Main structure of gui control
89 Tab
*tab
; /**< current tab of module */
91 GtkWidget
*window
; /**< window */
93 GtkWidget
*main_box
; /**< main container */
94 GtkWidget
*start_button
;
95 GtkWidget
*pause_button
;
96 GtkWidget
*unpause_button
;
97 GtkWidget
*stop_button
;
98 GtkWidget
*username_label
;
99 GtkWidget
*username_entry
;
100 GtkWidget
*password_label
;
101 GtkWidget
*password_entry
;
102 GtkWidget
*channel_dir_label
;
103 GtkWidget
*channel_dir_entry
;
104 GtkWidget
*trace_dir_label
;
105 GtkWidget
*trace_dir_entry
;
106 GtkWidget
*trace_name_label
;
107 GtkWidget
*trace_name_entry
;
108 GtkWidget
*trace_mode_label
;
109 GtkWidget
*trace_mode_combo
;
110 GtkWidget
*start_daemon_label
;
111 GtkWidget
*start_daemon_check
;
112 GtkWidget
*append_label
;
113 GtkWidget
*append_check
;
114 GtkWidget
*optional_label
;
115 GtkWidget
*subbuf_size_label
;
116 GtkWidget
*subbuf_size_entry
;
117 GtkWidget
*subbuf_num_label
;
118 GtkWidget
*subbuf_num_entry
;
119 GtkWidget
*lttctl_path_label
;
120 GtkWidget
*lttctl_path_entry
;
121 GtkWidget
*lttd_path_label
;
122 GtkWidget
*lttd_path_entry
;
123 GtkWidget
*fac_path_label
;
124 GtkWidget
*fac_path_entry
;
128 * @fn GtkWidget* guicontrol_get_widget(ControlData*)
130 * This function returns the current main widget
131 * used by this module
132 * @param tcd the module struct
133 * @return The main widget
136 guicontrol_get_widget(ControlData
*tcd
)
142 * @fn ControlData* gui_control(Tab*)
144 * Constructor is used to create ControlData data structure.
145 * @param tab The tab structure used by the widget
146 * @return The Filter viewer data created.
149 gui_control(Tab
*tab
)
151 g_debug("filter::gui_control()");
154 GtkCellRenderer
*renderer
;
155 GtkTreeViewColumn
*column
;
157 ControlData
* tcd
= g_new(ControlData
,1);
161 tcd
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
162 gtk_window_set_title(GTK_WINDOW(tcd
->window
), "LTTng Trace Control");
164 * Initiating GtkTable layout
165 * starts with 2 rows and 5 columns and
166 * expands when expressions added
168 tcd
->main_box
= gtk_table_new(14,7,FALSE
);
169 gtk_table_set_row_spacings(GTK_TABLE(tcd
->main_box
),5);
170 gtk_table_set_col_spacings(GTK_TABLE(tcd
->main_box
),5);
172 gtk_container_add(GTK_CONTAINER(tcd
->window
), GTK_WIDGET(tcd
->main_box
));
174 GList
*focus_chain
= NULL
;
177 * start/pause/stop buttons
181 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStart_xpm
);
182 image
= gtk_image_new_from_pixbuf(pixbuf
);
183 tcd
->start_button
= gtk_button_new_with_label("start");
184 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->start_button), image);
185 g_object_set(G_OBJECT(tcd
->start_button
), "image", image
, NULL
);
186 gtk_button_set_alignment(GTK_BUTTON(tcd
->start_button
), 0.0, 0.0);
187 gtk_widget_show (tcd
->start_button
);
188 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->start_button
,6,7,0,1,GTK_FILL
,GTK_FILL
,2,2);
190 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm
);
191 image
= gtk_image_new_from_pixbuf(pixbuf
);
192 tcd
->pause_button
= gtk_button_new_with_label("pause");
193 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->pause_button), image);
194 g_object_set(G_OBJECT(tcd
->pause_button
), "image", image
, NULL
);
195 gtk_button_set_alignment(GTK_BUTTON(tcd
->pause_button
), 0.0, 0.0);
196 gtk_widget_show (tcd
->pause_button
);
197 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->pause_button
,6,7,1,2,GTK_FILL
,GTK_FILL
,2,2);
199 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm
);
200 image
= gtk_image_new_from_pixbuf(pixbuf
);
201 tcd
->unpause_button
= gtk_button_new_with_label("unpause");
202 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->unpause_button), image);
203 g_object_set(G_OBJECT(tcd
->unpause_button
), "image", image
, NULL
);
204 gtk_button_set_alignment(GTK_BUTTON(tcd
->unpause_button
), 0.0, 0.0);
205 gtk_widget_show (tcd
->unpause_button
);
206 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->unpause_button
,6,7,2,3,GTK_FILL
,GTK_FILL
,2,2);
208 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStop_xpm
);
209 image
= gtk_image_new_from_pixbuf(pixbuf
);
210 tcd
->stop_button
= gtk_button_new_with_label("stop");
211 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->stop_button), image);
212 g_object_set(G_OBJECT(tcd
->stop_button
), "image", image
, NULL
);
213 gtk_button_set_alignment(GTK_BUTTON(tcd
->stop_button
), 0.0, 0.0);
214 gtk_widget_show (tcd
->stop_button
);
215 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->stop_button
,6,7,3,4,GTK_FILL
,GTK_FILL
,2,2);
218 * First half of the filter window
219 * - textual entry of filter expression
220 * - processing button
222 tcd
->username_label
= gtk_label_new("Username:");
223 gtk_widget_show (tcd
->username_label
);
224 tcd
->username_entry
= gtk_entry_new();
225 gtk_entry_set_text(GTK_ENTRY(tcd
->username_entry
),"root");
226 gtk_widget_show (tcd
->username_entry
);
227 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->username_label
,0,2,0,1,GTK_FILL
,GTK_FILL
,2,2);
228 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->username_entry
,2,6,0,1,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
232 tcd
->password_label
= gtk_label_new("Password:");
233 gtk_widget_show (tcd
->password_label
);
234 tcd
->password_entry
= gtk_entry_new();
235 gtk_entry_set_visibility(GTK_ENTRY(tcd
->password_entry
), FALSE
);
236 gtk_widget_show (tcd
->password_entry
);
237 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->password_label
,0,2,1,2,GTK_FILL
,GTK_FILL
,2,2);
238 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->password_entry
,2,6,1,2,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
241 tcd
->channel_dir_label
= gtk_label_new("Channel directory:");
242 gtk_widget_show (tcd
->channel_dir_label
);
243 tcd
->channel_dir_entry
= gtk_entry_new();
244 gtk_entry_set_text(GTK_ENTRY(tcd
->channel_dir_entry
),"/mnt/relayfs/ltt");
245 gtk_widget_show (tcd
->channel_dir_entry
);
246 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->channel_dir_label
,0,2,2,3,GTK_FILL
,GTK_FILL
,2,2);
247 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->channel_dir_entry
,2,6,2,3,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
249 tcd
->trace_dir_label
= gtk_label_new("Trace directory:");
250 gtk_widget_show (tcd
->trace_dir_label
);
251 tcd
->trace_dir_entry
= gtk_entry_new();
252 gtk_entry_set_text(GTK_ENTRY(tcd
->trace_dir_entry
),"/tmp/trace1");
253 gtk_widget_show (tcd
->trace_dir_entry
);
254 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_dir_label
,0,2,3,4,GTK_FILL
,GTK_FILL
,2,2);
255 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_dir_entry
,2,6,3,4,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
257 tcd
->trace_name_label
= gtk_label_new("Trace name:");
258 gtk_widget_show (tcd
->trace_name_label
);
259 tcd
->trace_name_entry
= gtk_entry_new();
260 gtk_entry_set_text(GTK_ENTRY(tcd
->trace_name_entry
),"trace");
261 gtk_widget_show (tcd
->trace_name_entry
);
262 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_name_label
,0,2,4,5,GTK_FILL
,GTK_FILL
,2,2);
263 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_name_entry
,2,6,4,5,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
265 tcd
->trace_mode_label
= gtk_label_new("Trace mode ");
266 gtk_widget_show (tcd
->trace_mode_label
);
267 tcd
->trace_mode_combo
= gtk_combo_box_new_text();
268 gtk_combo_box_append_text(GTK_COMBO_BOX(tcd
->trace_mode_combo
),
270 gtk_combo_box_append_text(GTK_COMBO_BOX(tcd
->trace_mode_combo
),
272 gtk_combo_box_set_active(GTK_COMBO_BOX(tcd
->trace_mode_combo
), 0);
273 gtk_widget_show (tcd
->trace_mode_combo
);
274 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_mode_label
,0,2,5,6,GTK_FILL
,GTK_FILL
,2,2);
275 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_mode_combo
,2,6,5,6,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
277 tcd
->start_daemon_label
= gtk_label_new("Start daemon ");
278 gtk_widget_show (tcd
->start_daemon_label
);
279 tcd
->start_daemon_check
= gtk_check_button_new();
280 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd
->start_daemon_check
), TRUE
);
281 gtk_widget_show (tcd
->start_daemon_check
);
282 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->start_daemon_label
,0,2,6,7,GTK_FILL
,GTK_FILL
,2,2);
283 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->start_daemon_check
,2,6,6,7,GTK_FILL
,GTK_FILL
,0,0);
285 tcd
->append_label
= gtk_label_new("Append to trace ");
286 gtk_widget_show (tcd
->append_label
);
287 tcd
->append_check
= gtk_check_button_new();
288 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd
->append_check
), FALSE
);
289 gtk_widget_show (tcd
->append_check
);
290 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->append_label
,0,2,7,8,GTK_FILL
,GTK_FILL
,2,2);
291 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->append_check
,2,6,7,8,GTK_FILL
,GTK_FILL
,0,0);
294 tcd
->optional_label
= gtk_label_new("Optional fields ");
295 gtk_widget_show (tcd
->optional_label
);
296 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->optional_label
,0,6,8,9,GTK_FILL
,GTK_FILL
,2,2);
298 tcd
->subbuf_size_label
= gtk_label_new("Subbuffer size:");
299 gtk_widget_show (tcd
->subbuf_size_label
);
300 tcd
->subbuf_size_entry
= gtk_entry_new();
301 gtk_widget_show (tcd
->subbuf_size_entry
);
302 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->subbuf_size_label
,0,2,9,10,GTK_FILL
,GTK_FILL
,2,2);
303 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->subbuf_size_entry
,2,6,9,10,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
305 tcd
->subbuf_num_label
= gtk_label_new("Number of subbuffers:");
306 gtk_widget_show (tcd
->subbuf_num_label
);
307 tcd
->subbuf_num_entry
= gtk_entry_new();
308 gtk_widget_show (tcd
->subbuf_num_entry
);
309 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->subbuf_num_label
,0,2,10,11,GTK_FILL
,GTK_FILL
,2,2);
310 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->subbuf_num_entry
,2,6,10,11,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
312 tcd
->lttctl_path_label
= gtk_label_new("path to lttctl:");
313 gtk_widget_show (tcd
->lttctl_path_label
);
314 tcd
->lttctl_path_entry
= gtk_entry_new();
315 gtk_entry_set_text(GTK_ENTRY(tcd
->lttctl_path_entry
),PACKAGE_BIN_DIR
"/lttctl");
316 gtk_widget_show (tcd
->lttctl_path_entry
);
317 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttctl_path_label
,0,2,11,12,GTK_FILL
,GTK_FILL
,2,2);
318 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttctl_path_entry
,2,6,11,12,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
321 tcd
->lttd_path_label
= gtk_label_new("path to lttd:");
322 gtk_widget_show (tcd
->lttd_path_label
);
323 tcd
->lttd_path_entry
= gtk_entry_new();
324 gtk_entry_set_text(GTK_ENTRY(tcd
->lttd_path_entry
),PACKAGE_BIN_DIR
"/lttd");
325 gtk_widget_show (tcd
->lttd_path_entry
);
326 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttd_path_label
,0,2,12,13,GTK_FILL
,GTK_FILL
,2,2);
327 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttd_path_entry
,2,6,12,13,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
330 tcd
->fac_path_label
= gtk_label_new("path to facilities:");
331 gtk_widget_show (tcd
->fac_path_label
);
332 tcd
->fac_path_entry
= gtk_entry_new();
333 gtk_entry_set_text(GTK_ENTRY(tcd
->fac_path_entry
),PACKAGE_DATA_DIR
"/" PACKAGE
"/facilities");
334 gtk_widget_set_size_request(tcd
->fac_path_entry
, 250, -1);
335 gtk_widget_show (tcd
->fac_path_entry
);
336 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->fac_path_label
,0,2,13,14,GTK_FILL
,GTK_FILL
,2,2);
337 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->fac_path_entry
,2,6,13,14,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
339 focus_chain
= g_list_append (focus_chain
, tcd
->username_entry
);
340 focus_chain
= g_list_append (focus_chain
, tcd
->password_entry
);
341 focus_chain
= g_list_append (focus_chain
, tcd
->start_button
);
342 focus_chain
= g_list_append (focus_chain
, tcd
->pause_button
);
343 focus_chain
= g_list_append (focus_chain
, tcd
->unpause_button
);
344 focus_chain
= g_list_append (focus_chain
, tcd
->stop_button
);
345 focus_chain
= g_list_append (focus_chain
, tcd
->channel_dir_entry
);
346 focus_chain
= g_list_append (focus_chain
, tcd
->trace_dir_entry
);
347 focus_chain
= g_list_append (focus_chain
, tcd
->trace_name_entry
);
348 focus_chain
= g_list_append (focus_chain
, tcd
->trace_mode_combo
);
349 focus_chain
= g_list_append (focus_chain
, tcd
->start_daemon_check
);
350 focus_chain
= g_list_append (focus_chain
, tcd
->append_check
);
351 focus_chain
= g_list_append (focus_chain
, tcd
->subbuf_size_entry
);
352 focus_chain
= g_list_append (focus_chain
, tcd
->subbuf_num_entry
);
353 focus_chain
= g_list_append (focus_chain
, tcd
->lttctl_path_entry
);
354 focus_chain
= g_list_append (focus_chain
, tcd
->lttd_path_entry
);
355 focus_chain
= g_list_append (focus_chain
, tcd
->fac_path_entry
);
357 gtk_container_set_focus_chain(GTK_CONTAINER(tcd
->main_box
), focus_chain
);
359 g_list_free(focus_chain
);
361 g_signal_connect(G_OBJECT(tcd
->start_button
), "clicked",
362 (GCallback
)start_clicked
, tcd
);
363 g_signal_connect(G_OBJECT(tcd
->pause_button
), "clicked",
364 (GCallback
)pause_clicked
, tcd
);
365 g_signal_connect(G_OBJECT(tcd
->unpause_button
), "clicked",
366 (GCallback
)unpause_clicked
, tcd
);
367 g_signal_connect(G_OBJECT(tcd
->stop_button
), "clicked",
368 (GCallback
)stop_clicked
, tcd
);
371 * show main container
373 gtk_widget_show(tcd
->main_box
);
374 gtk_widget_show(tcd
->window
);
377 g_object_set_data_full(
378 G_OBJECT(guicontrol_get_widget(tcd
)),
379 "control_viewer_data",
381 (GDestroyNotify
)gui_control_destructor
);
383 g_control_list
= g_slist_append(
392 * @fn void gui_control_destructor(ControlData*)
394 * Destructor for the filter gui module
395 * @param tcd The module structure
398 gui_control_destructor(ControlData
*tcd
)
402 /* May already been done by GTK window closing */
403 if(GTK_IS_WIDGET(guicontrol_get_widget(tcd
))){
404 g_info("widget still exists");
407 // lttvwindow_unregister_traceset_notify(tcd->tab,
408 // filter_traceset_changed,
409 // filter_viewer_data);
411 lttvwindowtraces_background_notify_remove(tcd
);
413 g_control_list
= g_slist_remove(g_control_list
, tcd
);
418 static int execute_command(const gchar
*command
, const gchar
*username
,
419 const gchar
*password
, const gchar
*lttd_path
, const gchar
*fac_path
)
423 pid
= forkpty(&fdpty
, NULL
, NULL
, NULL
);
431 /* discuss with su */
432 struct timeval timeout
;
436 struct pollfd pollfd
;
441 /* Read the output from the child terminal before the prompt. If no data in
442 * 200 ms, we stop reading to give the password */
443 g_info("Reading from child console...");
444 sleep(1); /* make sure the child is ready */
447 pollfd
.events
= POLLIN
|POLLPRI
|POLLERR
|POLLHUP
|POLLNVAL
;
449 num_rdy
= poll(&pollfd
, 1, 200);
452 perror("Poll error");
457 /* Timeout : stop waiting for chars */
458 if(num_rdy
== 0) break;
460 switch(pollfd
.revents
) {
462 g_warning("Error returned in polling fd\n");
466 g_info("Polling FD : hung up.");
470 g_warning("Polling fd tells it is not open");
475 count
= read (fdpty
, buf
, 256);
479 } else if(count
== -1) {
480 perror("Error in read");
486 g_warning("Child hung up too fast");
491 /* Write the password */
492 g_info("Got su prompt, now writing password...");
494 ret
= write(fdpty
, password
, strlen(password
));
495 if(ret
< 0) perror("Error in write");
496 ret
= write(fdpty
, "\n", 1);
497 if(ret
< 0) perror("Error in write");
500 /* Take the output from the terminal and show it on the real console */
501 g_info("Getting data from child terminal...");
505 pollfd
.events
= POLLIN
|POLLPRI
|POLLERR
|POLLHUP
|POLLNVAL
;
507 num_rdy
= poll(&pollfd
, 1, -1);
510 perror("Poll error");
514 if(num_rdy
== 0) break;
516 switch(pollfd
.revents
) {
518 g_warning("Error returned in polling fd\n");
522 g_info("Polling FD : hung up.");
526 g_warning("Polling fd tells it is not open");
531 count
= read (fdpty
, buf
, 256);
535 } else if(count
== -1) {
536 perror("Error in read");
541 if(num_hup
> 0) goto wait_child
;
544 g_info("Waiting for child exit...");
546 ret
= waitpid(pid
, &status
, 0);
549 g_warning("An error occured in wait : %s",
552 if(WIFEXITED(status
))
553 if(WEXITSTATUS(status
) != 0) {
554 retval
= WEXITSTATUS(status
);
555 g_warning("An error occured in the su command : %s",
560 g_info("Child exited.");
562 } else if(pid
== 0) {
563 /* Setup environment variables */
564 if(strcmp(lttd_path
, "") != 0)
565 setenv("LTT_DAEMON", lttd_path
, 1);
566 if(strcmp(fac_path
, "") != 0)
567 setenv("LTT_FACILITIES", fac_path
, 1);
569 g_message("Executing (as %s) : %s\n", username
, command
);
571 execlp("su", "su", "-p", "-c", command
, username
, NULL
);
572 exit(-1); /* not supposed to happen! */
574 //gint ret = execvp();
578 g_warning("Error happened when forking for su");
587 void start_clicked (GtkButton
*button
, gpointer user_data
)
589 ControlData
*tcd
= (ControlData
*)user_data
;
591 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
592 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
593 const gchar
*channel_dir
=
594 gtk_entry_get_text(GTK_ENTRY(tcd
->channel_dir_entry
));
595 const gchar
*trace_dir
= gtk_entry_get_text(GTK_ENTRY(tcd
->trace_dir_entry
));
596 const gchar
*trace_name
=
597 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
599 const gchar
*trace_mode_sel
;
602 gtk_combo_box_get_active_iter(GTK_COMBO_BOX(tcd
->trace_mode_combo
), &iter
);
604 gtk_combo_box_get_model(GTK_COMBO_BOX(tcd
->trace_mode_combo
)),
605 &iter
, 0, &trace_mode_sel
, -1);
606 //const gchar *trace_mode_sel =
607 //2.6+ gtk_combo_box_get_active_text(GTK_COMBO_BOX(tcd->trace_mode_combo));
608 const gchar
*trace_mode
;
609 if(strcmp(trace_mode_sel
, "normal") == 0)
610 trace_mode
= "normal";
612 trace_mode
= "flight";
614 gboolean start_daemon
=
615 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd
->start_daemon_check
));
618 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd
->append_check
));
620 const gchar
*subbuf_size
=
621 gtk_entry_get_text(GTK_ENTRY(tcd
->subbuf_size_entry
));
622 const gchar
*subbuf_num
=
623 gtk_entry_get_text(GTK_ENTRY(tcd
->subbuf_num_entry
));
624 const gchar
*lttctl_path
=
625 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
626 const gchar
*lttd_path
= gtk_entry_get_text(GTK_ENTRY(tcd
->lttd_path_entry
));
627 const gchar
*fac_path
= gtk_entry_get_text(GTK_ENTRY(tcd
->fac_path_entry
));
630 /* Setup arguments to su */
632 gchar args
[MAX_ARGS_LEN
];
633 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
638 strncat(args
, "exec", args_left
);
639 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
642 strncat(args
, " ", args_left
);
643 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
645 if(strcmp(lttctl_path
, "") == 0)
646 strncat(args
, "lttctl", args_left
);
648 strncat(args
, lttctl_path
, args_left
);
649 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
652 strncat(args
, " ", args_left
);
653 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
656 strncat(args
, "-l ", args_left
);
657 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
658 strncat(args
, channel_dir
, args_left
);
659 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
662 strncat(args
, " ", args_left
);
663 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
666 strncat(args
, "-t ", args_left
);
667 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
668 strncat(args
, trace_dir
, args_left
);
669 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
672 strncat(args
, " ", args_left
);
673 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
676 strncat(args
, "-n ", args_left
);
677 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
678 strncat(args
, trace_name
, args_left
);
679 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
682 strncat(args
, " ", args_left
);
683 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
686 strncat(args
, "-m ", args_left
);
687 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
688 strncat(args
, trace_mode
, args_left
);
689 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
692 strncat(args
, " ", args_left
);
693 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
697 strncat(args
, "-d", args_left
);
698 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
700 /* Simply create the channel and then start tracing */
701 strncat(args
, "-b", args_left
);
702 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
706 /* Append to trace ? */
709 strncat(args
, " ", args_left
);
710 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
711 strncat(args
, "-a", args_left
);
712 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
715 /* optional arguments */
717 if(strcmp(subbuf_size
, "") != 0) {
719 strncat(args
, " ", args_left
);
720 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
722 strncat(args
, "-z ", args_left
);
723 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
724 strncat(args
, subbuf_size
, args_left
);
725 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
728 /* number of subbuffers */
729 if(strcmp(subbuf_num
, "") != 0) {
731 strncat(args
, " ", args_left
);
732 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
734 strncat(args
, "-x ", args_left
);
735 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
736 strncat(args
, subbuf_num
, args_left
);
737 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
741 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
745 guint msg_left
= 256;
747 strcpy(msg
, "A problem occured when executing the su command : ");
748 msg_left
= 256 - strlen(msg
) - 1;
749 strncat(msg
, strerror(retval
), msg_left
);
750 GtkWidget
*dialogue
=
751 gtk_message_dialog_new(
752 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
753 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
757 gtk_dialog_run(GTK_DIALOG(dialogue
));
758 gtk_widget_destroy(dialogue
);
764 void pause_clicked (GtkButton
*button
, gpointer user_data
)
766 ControlData
*tcd
= (ControlData
*)user_data
;
768 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
769 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
770 const gchar
*trace_name
=
771 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
772 const gchar
*lttd_path
= "";
773 const gchar
*fac_path
= "";
775 const gchar
*lttctl_path
=
776 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
778 /* Setup arguments to su */
780 gchar args
[MAX_ARGS_LEN
];
781 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
786 strncat(args
, "exec", args_left
);
787 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
790 strncat(args
, " ", args_left
);
791 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
793 if(strcmp(lttctl_path
, "") == 0)
794 strncat(args
, "lttctl", args_left
);
796 strncat(args
, lttctl_path
, args_left
);
797 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
800 strncat(args
, " ", args_left
);
801 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
804 strncat(args
, "-n ", args_left
);
805 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
806 strncat(args
, trace_name
, args_left
);
807 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
810 strncat(args
, " ", args_left
);
811 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
813 /* Simply pause tracing */
814 strncat(args
, "-q", args_left
);
815 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
817 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
820 guint msg_left
= 256;
822 strcpy(msg
, "A problem occured when executing the su command : ");
823 msg_left
= 256 - strlen(msg
) - 1;
824 strncat(msg
, strerror(retval
), msg_left
);
825 GtkWidget
*dialogue
=
826 gtk_message_dialog_new(
827 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
828 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
832 gtk_dialog_run(GTK_DIALOG(dialogue
));
833 gtk_widget_destroy(dialogue
);
838 void unpause_clicked (GtkButton
*button
, gpointer user_data
)
840 ControlData
*tcd
= (ControlData
*)user_data
;
842 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
843 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
844 const gchar
*trace_name
=
845 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
846 const gchar
*lttd_path
= "";
847 const gchar
*fac_path
= "";
849 const gchar
*lttctl_path
=
850 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
852 /* Setup arguments to su */
854 gchar args
[MAX_ARGS_LEN
];
855 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
860 strncat(args
, "exec", args_left
);
861 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
864 strncat(args
, " ", args_left
);
865 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
867 if(strcmp(lttctl_path
, "") == 0)
868 strncat(args
, "lttctl", args_left
);
870 strncat(args
, lttctl_path
, args_left
);
871 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
874 strncat(args
, " ", args_left
);
875 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
878 strncat(args
, "-n ", args_left
);
879 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
880 strncat(args
, trace_name
, args_left
);
881 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
884 strncat(args
, " ", args_left
);
885 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
887 /* Simply unpause tracing */
888 strncat(args
, "-s", args_left
);
889 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
891 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
894 guint msg_left
= 256;
896 strcpy(msg
, "A problem occured when executing the su command : ");
897 msg_left
= 256 - strlen(msg
) - 1;
898 strncat(msg
, strerror(retval
), msg_left
);
899 GtkWidget
*dialogue
=
900 gtk_message_dialog_new(
901 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
902 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
906 gtk_dialog_run(GTK_DIALOG(dialogue
));
907 gtk_widget_destroy(dialogue
);
912 void stop_clicked (GtkButton
*button
, gpointer user_data
)
914 ControlData
*tcd
= (ControlData
*)user_data
;
916 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
917 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
918 const gchar
*trace_name
=
919 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
920 const gchar
*lttd_path
= "";
921 const gchar
*fac_path
= "";
923 const gchar
*lttctl_path
=
924 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
925 const gchar
*trace_dir
= gtk_entry_get_text(GTK_ENTRY(tcd
->trace_dir_entry
));
927 /* Setup arguments to su */
929 gchar args
[MAX_ARGS_LEN
];
930 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
935 strncat(args
, "exec", args_left
);
936 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
939 strncat(args
, " ", args_left
);
940 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
942 if(strcmp(lttctl_path
, "") == 0)
943 strncat(args
, "lttctl", args_left
);
945 strncat(args
, lttctl_path
, args_left
);
946 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
949 strncat(args
, " ", args_left
);
950 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
953 strncat(args
, "-n ", args_left
);
954 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
955 strncat(args
, trace_name
, args_left
);
956 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
959 strncat(args
, " ", args_left
);
960 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
962 /* Simply stop tracing and destroy channel */
963 strncat(args
, "-R", args_left
);
964 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
966 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
969 guint msg_left
= 256;
971 strcpy(msg
, "A problem occured when executing the su command : ");
972 msg_left
= 256 - strlen(msg
) - 1;
973 strncat(msg
, strerror(retval
), msg_left
);
974 GtkWidget
*dialogue
=
975 gtk_message_dialog_new(
976 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
977 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
981 gtk_dialog_run(GTK_DIALOG(dialogue
));
982 gtk_widget_destroy(dialogue
);
987 /* Ask to the user if he wants to open the trace in a new window */
992 dialogue
= gtk_dialog_new_with_buttons("Open trace ?",
993 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
994 GTK_DIALOG_MODAL
| GTK_DIALOG_DESTROY_WITH_PARENT
,
995 GTK_STOCK_YES
,GTK_RESPONSE_ACCEPT
,
996 GTK_STOCK_NO
,GTK_RESPONSE_REJECT
,
998 label
= gtk_label_new("Do you want to open the trace in LTTV ?");
999 gtk_widget_show(label
);
1001 gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialogue
)->vbox
),
1004 id
= gtk_dialog_run(GTK_DIALOG(dialogue
));
1007 case GTK_RESPONSE_ACCEPT
:
1009 create_main_window_with_trace(trace_dir
);
1012 case GTK_RESPONSE_REJECT
:
1016 gtk_widget_destroy(dialogue
);
1022 * @fn GtkWidget* h_guicontrol(Tab*)
1024 * Control Module's constructor hook
1026 * This constructor is given as a parameter to the menuitem and toolbar button
1027 * registration. It creates the list.
1028 * @param tab A pointer to the parent window.
1029 * @return The widget created.
1032 h_guicontrol(Tab
*tab
)
1034 ControlData
* f
= gui_control(tab
) ;
1040 * @fn static void init()
1042 * This function initializes the Filter Viewer functionnality through the
1045 static void init() {
1047 lttvwindow_register_constructor("guicontrol",
1049 "Insert Tracing Control Module",
1050 hTraceControlInsert_xpm
,
1051 "Insert Tracing Control Module",
1056 * @fn void control_destroy_walk(gpointer,gpointer)
1058 * Initiate the destruction of the current gui module
1059 * on the GTK Interface
1062 control_destroy_walk(gpointer data
, gpointer user_data
)
1064 ControlData
*tcd
= (ControlData
*)data
;
1066 g_debug("traceontrol.c : control_destroy_walk, %p", tcd
);
1068 /* May already have been done by GTK window closing */
1069 if(GTK_IS_WIDGET(guicontrol_get_widget(tcd
)))
1070 gtk_widget_destroy(guicontrol_get_widget(tcd
));
1074 * @fn static void destroy()
1075 * @brief plugin's destroy function
1077 * This function releases the memory reserved by the module and unregisters
1078 * everything that has been registered in the gtkTraceSet API.
1080 static void destroy() {
1082 g_slist_foreach(g_control_list
, control_destroy_walk
, NULL
);
1084 lttvwindow_unregister_constructor(h_guicontrol
);
1089 LTTV_MODULE("guitracecontrol", "Trace Control Window", \
1090 "Graphical module that let user control kernel tracing", \
1091 init
, destroy
, "lttvwindow")