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,
24 #include <glib/gprintf.h>
28 #include <gdk/gdkkeysyms.h>
30 #include <lttv/lttv.h>
31 #include <lttv/module.h>
32 #include <lttv/hook.h>
34 #include <lttvwindow/lttvwindow.h>
35 #include <lttvwindow/lttvwindowtraces.h>
36 #include <lttvwindow/callbacks.h>
37 #include <lttvwindow/lttv_plugin_tab.h>
39 #include "hTraceControlInsert.xpm"
40 #include "TraceControlStart.xpm"
41 #include "TraceControlPause.xpm"
42 #include "TraceControlStop.xpm"
44 #include <sys/types.h>
55 #define MAX_ARGS_LEN PATH_MAX * 10
57 GSList
*g_control_list
= NULL
;
59 /*! \file lttv/modules/gui/tracecontrol/tracecontrol.c
60 * \brief Graphic trace start/stop control interface.
62 * This plugin interacts with lttctl to start/stop tracing. It needs to take the
63 * root password to be able to interact with lttctl.
67 typedef struct _ControlData ControlData
;
72 GtkWidget
*guicontrol_get_widget(ControlData
*tcd
);
73 ControlData
*gui_control(LttvPluginTab
*ptab
);
74 void gui_control_destructor(ControlData
*tcd
);
75 GtkWidget
* h_guicontrol(LttvPlugin
*plugin
);
76 void control_destroy_walk(gpointer data
, gpointer user_data
);
82 static void start_clicked (GtkButton
*button
, gpointer user_data
);
83 static void pause_clicked (GtkButton
*button
, gpointer user_data
);
84 static void unpause_clicked (GtkButton
*button
, gpointer user_data
);
85 static void stop_clicked (GtkButton
*button
, gpointer user_data
);
89 * @struct _ControlData
91 * @brief Main structure of gui control
94 Tab
*tab
; /**< current tab of module */
96 GtkWidget
*window
; /**< window */
98 GtkWidget
*main_box
; /**< main container */
99 GtkWidget
*start_button
;
100 GtkWidget
*pause_button
;
101 GtkWidget
*unpause_button
;
102 GtkWidget
*stop_button
;
103 GtkWidget
*username_label
;
104 GtkWidget
*username_entry
;
105 GtkWidget
*password_label
;
106 GtkWidget
*password_entry
;
107 GtkWidget
*channel_dir_label
;
108 GtkWidget
*channel_dir_entry
;
109 GtkWidget
*trace_dir_label
;
110 GtkWidget
*trace_dir_entry
;
111 GtkWidget
*trace_name_label
;
112 GtkWidget
*trace_name_entry
;
113 GtkWidget
*trace_mode_label
;
114 GtkWidget
*trace_mode_combo
;
115 GtkWidget
*start_daemon_label
;
116 GtkWidget
*start_daemon_check
;
117 GtkWidget
*append_label
;
118 GtkWidget
*append_check
;
119 GtkWidget
*optional_label
;
120 GtkWidget
*subbuf_size_label
;
121 GtkWidget
*subbuf_size_entry
;
122 GtkWidget
*subbuf_num_label
;
123 GtkWidget
*subbuf_num_entry
;
124 GtkWidget
*lttd_threads_label
;
125 GtkWidget
*lttd_threads_entry
;
126 GtkWidget
*lttctl_path_label
;
127 GtkWidget
*lttctl_path_entry
;
128 GtkWidget
*lttd_path_label
;
129 GtkWidget
*lttd_path_entry
;
130 GtkWidget
*fac_path_label
;
131 GtkWidget
*fac_path_entry
;
135 * @fn GtkWidget* guicontrol_get_widget(ControlData*)
137 * This function returns the current main widget
138 * used by this module
139 * @param tcd the module struct
140 * @return The main widget
143 guicontrol_get_widget(ControlData
*tcd
)
149 * @fn ControlData* gui_control(Tab*)
151 * Constructor is used to create ControlData data structure.
152 * @param tab The tab structure used by the widget
153 * @return The Filter viewer data created.
156 gui_control(LttvPluginTab
*ptab
)
158 Tab
*tab
= ptab
->tab
;
159 g_debug("filter::gui_control()");
162 GtkCellRenderer
*renderer
;
163 GtkTreeViewColumn
*column
;
165 ControlData
* tcd
= g_new(ControlData
,1);
169 tcd
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
170 gtk_window_set_title(GTK_WINDOW(tcd
->window
), "LTTng Trace Control");
172 * Initiating GtkTable layout
173 * starts with 2 rows and 5 columns and
174 * expands when expressions added
176 tcd
->main_box
= gtk_table_new(14,7,FALSE
);
177 gtk_table_set_row_spacings(GTK_TABLE(tcd
->main_box
),5);
178 gtk_table_set_col_spacings(GTK_TABLE(tcd
->main_box
),5);
180 gtk_container_add(GTK_CONTAINER(tcd
->window
), GTK_WIDGET(tcd
->main_box
));
182 GList
*focus_chain
= NULL
;
185 * start/pause/stop buttons
189 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStart_xpm
);
190 image
= gtk_image_new_from_pixbuf(pixbuf
);
191 tcd
->start_button
= gtk_button_new_with_label("start");
192 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->start_button), image);
193 g_object_set(G_OBJECT(tcd
->start_button
), "image", image
, NULL
);
194 gtk_button_set_alignment(GTK_BUTTON(tcd
->start_button
), 0.0, 0.0);
195 gtk_widget_show (tcd
->start_button
);
196 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->start_button
,6,7,0,1,GTK_FILL
,GTK_FILL
,2,2);
198 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm
);
199 image
= gtk_image_new_from_pixbuf(pixbuf
);
200 tcd
->pause_button
= gtk_button_new_with_label("pause");
201 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->pause_button), image);
202 g_object_set(G_OBJECT(tcd
->pause_button
), "image", image
, NULL
);
203 gtk_button_set_alignment(GTK_BUTTON(tcd
->pause_button
), 0.0, 0.0);
204 gtk_widget_show (tcd
->pause_button
);
205 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->pause_button
,6,7,1,2,GTK_FILL
,GTK_FILL
,2,2);
207 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm
);
208 image
= gtk_image_new_from_pixbuf(pixbuf
);
209 tcd
->unpause_button
= gtk_button_new_with_label("unpause");
210 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->unpause_button), image);
211 g_object_set(G_OBJECT(tcd
->unpause_button
), "image", image
, NULL
);
212 gtk_button_set_alignment(GTK_BUTTON(tcd
->unpause_button
), 0.0, 0.0);
213 gtk_widget_show (tcd
->unpause_button
);
214 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->unpause_button
,6,7,2,3,GTK_FILL
,GTK_FILL
,2,2);
216 pixbuf
= gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStop_xpm
);
217 image
= gtk_image_new_from_pixbuf(pixbuf
);
218 tcd
->stop_button
= gtk_button_new_with_label("stop");
219 //2.6 gtk_button_set_image(GTK_BUTTON(tcd->stop_button), image);
220 g_object_set(G_OBJECT(tcd
->stop_button
), "image", image
, NULL
);
221 gtk_button_set_alignment(GTK_BUTTON(tcd
->stop_button
), 0.0, 0.0);
222 gtk_widget_show (tcd
->stop_button
);
223 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->stop_button
,6,7,3,4,GTK_FILL
,GTK_FILL
,2,2);
226 * First half of the filter window
227 * - textual entry of filter expression
228 * - processing button
230 tcd
->username_label
= gtk_label_new("Username:");
231 gtk_widget_show (tcd
->username_label
);
232 tcd
->username_entry
= gtk_entry_new();
233 gtk_entry_set_text(GTK_ENTRY(tcd
->username_entry
),"root");
234 gtk_widget_show (tcd
->username_entry
);
235 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->username_label
,0,2,0,1,GTK_FILL
,GTK_FILL
,2,2);
236 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);
240 tcd
->password_label
= gtk_label_new("Password:");
241 gtk_widget_show (tcd
->password_label
);
242 tcd
->password_entry
= gtk_entry_new();
243 gtk_entry_set_visibility(GTK_ENTRY(tcd
->password_entry
), FALSE
);
244 gtk_widget_show (tcd
->password_entry
);
245 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->password_label
,0,2,1,2,GTK_FILL
,GTK_FILL
,2,2);
246 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);
249 tcd
->channel_dir_label
= gtk_label_new("Channel directory:");
250 gtk_widget_show (tcd
->channel_dir_label
);
251 tcd
->channel_dir_entry
= gtk_entry_new();
252 gtk_entry_set_text(GTK_ENTRY(tcd
->channel_dir_entry
),"/mnt/relayfs/ltt");
253 gtk_widget_show (tcd
->channel_dir_entry
);
254 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->channel_dir_label
,0,2,2,3,GTK_FILL
,GTK_FILL
,2,2);
255 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);
257 tcd
->trace_dir_label
= gtk_label_new("Trace directory:");
258 gtk_widget_show (tcd
->trace_dir_label
);
259 tcd
->trace_dir_entry
= gtk_entry_new();
260 gtk_entry_set_text(GTK_ENTRY(tcd
->trace_dir_entry
),"/tmp/trace1");
261 gtk_widget_show (tcd
->trace_dir_entry
);
262 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_dir_label
,0,2,3,4,GTK_FILL
,GTK_FILL
,2,2);
263 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);
265 tcd
->trace_name_label
= gtk_label_new("Trace name:");
266 gtk_widget_show (tcd
->trace_name_label
);
267 tcd
->trace_name_entry
= gtk_entry_new();
268 gtk_entry_set_text(GTK_ENTRY(tcd
->trace_name_entry
),"trace");
269 gtk_widget_show (tcd
->trace_name_entry
);
270 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_name_label
,0,2,4,5,GTK_FILL
,GTK_FILL
,2,2);
271 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);
273 tcd
->trace_mode_label
= gtk_label_new("Trace mode ");
274 gtk_widget_show (tcd
->trace_mode_label
);
275 tcd
->trace_mode_combo
= gtk_combo_box_new_text();
276 gtk_combo_box_append_text(GTK_COMBO_BOX(tcd
->trace_mode_combo
),
278 gtk_combo_box_append_text(GTK_COMBO_BOX(tcd
->trace_mode_combo
),
280 gtk_combo_box_set_active(GTK_COMBO_BOX(tcd
->trace_mode_combo
), 0);
281 gtk_widget_show (tcd
->trace_mode_combo
);
282 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->trace_mode_label
,0,2,5,6,GTK_FILL
,GTK_FILL
,2,2);
283 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);
285 tcd
->start_daemon_label
= gtk_label_new("Start daemon ");
286 gtk_widget_show (tcd
->start_daemon_label
);
287 tcd
->start_daemon_check
= gtk_check_button_new();
288 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd
->start_daemon_check
), TRUE
);
289 gtk_widget_show (tcd
->start_daemon_check
);
290 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->start_daemon_label
,0,2,6,7,GTK_FILL
,GTK_FILL
,2,2);
291 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->start_daemon_check
,2,6,6,7,GTK_FILL
,GTK_FILL
,0,0);
293 tcd
->append_label
= gtk_label_new("Append to trace ");
294 gtk_widget_show (tcd
->append_label
);
295 tcd
->append_check
= gtk_check_button_new();
296 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd
->append_check
), FALSE
);
297 gtk_widget_show (tcd
->append_check
);
298 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->append_label
,0,2,7,8,GTK_FILL
,GTK_FILL
,2,2);
299 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->append_check
,2,6,7,8,GTK_FILL
,GTK_FILL
,0,0);
302 tcd
->optional_label
= gtk_label_new("Optional fields ");
303 gtk_widget_show (tcd
->optional_label
);
304 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->optional_label
,0,6,8,9,GTK_FILL
,GTK_FILL
,2,2);
306 tcd
->subbuf_size_label
= gtk_label_new("Subbuffer size:");
307 gtk_widget_show (tcd
->subbuf_size_label
);
308 tcd
->subbuf_size_entry
= gtk_entry_new();
309 gtk_widget_show (tcd
->subbuf_size_entry
);
310 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->subbuf_size_label
,0,2,9,10,GTK_FILL
,GTK_FILL
,2,2);
311 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);
313 tcd
->subbuf_num_label
= gtk_label_new("Number of subbuffers:");
314 gtk_widget_show (tcd
->subbuf_num_label
);
315 tcd
->subbuf_num_entry
= gtk_entry_new();
316 gtk_widget_show (tcd
->subbuf_num_entry
);
317 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->subbuf_num_label
,0,2,10,11,GTK_FILL
,GTK_FILL
,2,2);
318 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);
320 tcd
->lttd_threads_label
= gtk_label_new("Number of lttd threads:");
321 gtk_widget_show (tcd
->lttd_threads_label
);
322 tcd
->lttd_threads_entry
= gtk_entry_new();
323 gtk_entry_set_text(GTK_ENTRY(tcd
->lttd_threads_entry
), "1");
324 gtk_widget_show (tcd
->lttd_threads_entry
);
325 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttd_threads_label
,0,2,11,12,GTK_FILL
,GTK_FILL
,2,2);
326 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttd_threads_entry
,2,6,11,12,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
328 tcd
->lttctl_path_label
= gtk_label_new("path to lttctl:");
329 gtk_widget_show (tcd
->lttctl_path_label
);
330 tcd
->lttctl_path_entry
= gtk_entry_new();
331 gtk_entry_set_text(GTK_ENTRY(tcd
->lttctl_path_entry
),PACKAGE_BIN_DIR
"/lttctl");
332 gtk_widget_show (tcd
->lttctl_path_entry
);
333 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttctl_path_label
,0,2,12,13,GTK_FILL
,GTK_FILL
,2,2);
334 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttctl_path_entry
,2,6,12,13,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
337 tcd
->lttd_path_label
= gtk_label_new("path to lttd:");
338 gtk_widget_show (tcd
->lttd_path_label
);
339 tcd
->lttd_path_entry
= gtk_entry_new();
340 gtk_entry_set_text(GTK_ENTRY(tcd
->lttd_path_entry
),PACKAGE_BIN_DIR
"/lttd");
341 gtk_widget_show (tcd
->lttd_path_entry
);
342 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttd_path_label
,0,2,13,14,GTK_FILL
,GTK_FILL
,2,2);
343 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->lttd_path_entry
,2,6,13,14,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
346 tcd
->fac_path_label
= gtk_label_new("path to facilities:");
347 gtk_widget_show (tcd
->fac_path_label
);
348 tcd
->fac_path_entry
= gtk_entry_new();
349 gtk_entry_set_text(GTK_ENTRY(tcd
->fac_path_entry
),PACKAGE_DATA_DIR
"/" "ltt-control" "/facilities");
350 gtk_widget_set_size_request(tcd
->fac_path_entry
, 250, -1);
351 gtk_widget_show (tcd
->fac_path_entry
);
352 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->fac_path_label
,0,2,14,15,GTK_FILL
,GTK_FILL
,2,2);
353 gtk_table_attach( GTK_TABLE(tcd
->main_box
),tcd
->fac_path_entry
,2,6,14,15,GTK_FILL
|GTK_EXPAND
|GTK_SHRINK
,GTK_FILL
,0,0);
355 focus_chain
= g_list_append (focus_chain
, tcd
->username_entry
);
356 focus_chain
= g_list_append (focus_chain
, tcd
->password_entry
);
357 focus_chain
= g_list_append (focus_chain
, tcd
->start_button
);
358 focus_chain
= g_list_append (focus_chain
, tcd
->pause_button
);
359 focus_chain
= g_list_append (focus_chain
, tcd
->unpause_button
);
360 focus_chain
= g_list_append (focus_chain
, tcd
->stop_button
);
361 focus_chain
= g_list_append (focus_chain
, tcd
->channel_dir_entry
);
362 focus_chain
= g_list_append (focus_chain
, tcd
->trace_dir_entry
);
363 focus_chain
= g_list_append (focus_chain
, tcd
->trace_name_entry
);
364 focus_chain
= g_list_append (focus_chain
, tcd
->trace_mode_combo
);
365 focus_chain
= g_list_append (focus_chain
, tcd
->start_daemon_check
);
366 focus_chain
= g_list_append (focus_chain
, tcd
->append_check
);
367 focus_chain
= g_list_append (focus_chain
, tcd
->subbuf_size_entry
);
368 focus_chain
= g_list_append (focus_chain
, tcd
->subbuf_num_entry
);
369 focus_chain
= g_list_append (focus_chain
, tcd
->lttd_threads_entry
);
370 focus_chain
= g_list_append (focus_chain
, tcd
->lttctl_path_entry
);
371 focus_chain
= g_list_append (focus_chain
, tcd
->lttd_path_entry
);
372 focus_chain
= g_list_append (focus_chain
, tcd
->fac_path_entry
);
374 gtk_container_set_focus_chain(GTK_CONTAINER(tcd
->main_box
), focus_chain
);
376 g_list_free(focus_chain
);
378 g_signal_connect(G_OBJECT(tcd
->start_button
), "clicked",
379 (GCallback
)start_clicked
, tcd
);
380 g_signal_connect(G_OBJECT(tcd
->pause_button
), "clicked",
381 (GCallback
)pause_clicked
, tcd
);
382 g_signal_connect(G_OBJECT(tcd
->unpause_button
), "clicked",
383 (GCallback
)unpause_clicked
, tcd
);
384 g_signal_connect(G_OBJECT(tcd
->stop_button
), "clicked",
385 (GCallback
)stop_clicked
, tcd
);
388 * show main container
390 gtk_widget_show(tcd
->main_box
);
391 gtk_widget_show(tcd
->window
);
394 g_object_set_data_full(
395 G_OBJECT(guicontrol_get_widget(tcd
)),
396 "control_viewer_data",
398 (GDestroyNotify
)gui_control_destructor
);
400 g_control_list
= g_slist_append(
409 * @fn void gui_control_destructor(ControlData*)
411 * Destructor for the filter gui module
412 * @param tcd The module structure
415 gui_control_destructor(ControlData
*tcd
)
419 /* May already been done by GTK window closing */
420 if(GTK_IS_WIDGET(guicontrol_get_widget(tcd
))){
421 g_info("widget still exists");
424 // lttvwindow_unregister_traceset_notify(tcd->tab,
425 // filter_traceset_changed,
426 // filter_viewer_data);
428 lttvwindowtraces_background_notify_remove(tcd
);
430 g_control_list
= g_slist_remove(g_control_list
, tcd
);
435 static int execute_command(const gchar
*command
, const gchar
*username
,
436 const gchar
*password
, const gchar
*lttd_path
, const gchar
*fac_path
)
440 pid
= forkpty(&fdpty
, NULL
, NULL
, NULL
);
448 /* discuss with su */
449 struct timeval timeout
;
453 struct pollfd pollfd
;
456 enum read_state
{ GET_LINE
, GET_SEMI
, GET_SPACE
} read_state
= GET_LINE
;
458 retval
= fcntl(fdpty
, F_SETFL
, O_WRONLY
);
460 perror("Error in fcntl");
464 /* Read the output from the child terminal before the prompt. If no data in
465 * 200 ms, we stop reading to give the password */
466 g_info("Reading from child console...");
469 pollfd
.events
= POLLIN
|POLLPRI
|POLLERR
|POLLHUP
|POLLNVAL
;
471 num_rdy
= poll(&pollfd
, 1, -1);
473 perror("Poll error");
477 /* Timeout : Stop waiting for chars */
478 if(num_rdy
== 0) goto wait_child
;
480 switch(pollfd
.revents
) {
482 g_warning("Error returned in polling fd\n");
486 g_info("Polling FD : hung up.");
490 g_warning("Polling fd tells it is not open");
495 count
= read (fdpty
, buf
, 256);
500 for(i
=0; i
<count
; i
++) {
504 read_state
= GET_SEMI
;
505 g_debug("Tracecontrol input line skip\n");
510 g_debug("Tracecontrol input : marker found\n");
511 read_state
= GET_SPACE
;
516 g_debug("Tracecontrol input space marker found\n");
522 } else if(count
== -1) {
523 perror("Error in read");
529 g_warning("Child hung up too fast");
536 pollfd
.events
= POLLOUT
|POLLERR
|POLLHUP
|POLLNVAL
;
538 num_rdy
= poll(&pollfd
, 1, -1);
540 perror("Poll error");
544 /* Write the password */
545 g_info("Got su prompt, now writing password...");
548 ret
= write(fdpty
, password
, strlen(password
));
549 if(ret
< 0) perror("Error in write");
550 ret
= write(fdpty
, "\n", 1);
551 if(ret
< 0) perror("Error in write");
553 /* Take the output from the terminal and show it on the real console */
554 g_info("Getting data from child terminal...");
558 pollfd
.events
= POLLIN
|POLLPRI
|POLLERR
|POLLHUP
|POLLNVAL
;
560 num_rdy
= poll(&pollfd
, 1, -1);
562 perror("Poll error");
565 if(num_rdy
== 0) break;
567 if(pollfd
.revents
& (POLLERR
|POLLNVAL
)) {
568 g_warning("Error returned in polling fd\n");
572 if(pollfd
.revents
& (POLLIN
|POLLPRI
) ) {
573 count
= read (fdpty
, buf
, 256);
577 } else if(count
== -1) {
578 perror("Error in read");
583 if(pollfd
.revents
& POLLHUP
) {
584 g_info("Polling FD : hung up.");
588 if(num_hup
> 0) goto wait_child
;
591 g_info("Waiting for child exit...");
593 ret
= waitpid(pid
, &status
, 0);
596 g_warning("An error occured in wait : %s",
599 if(WIFEXITED(status
))
600 if(WEXITSTATUS(status
) != 0) {
601 retval
= WEXITSTATUS(status
);
602 g_warning("An error occured in the su command : %s",
607 g_info("Child exited.");
609 } else if(pid
== 0) {
610 /* Setup environment variables */
611 if(strcmp(lttd_path
, "") != 0)
612 setenv("LTT_DAEMON", lttd_path
, 1);
613 if(strcmp(fac_path
, "") != 0)
614 setenv("LTT_FACILITIES", fac_path
, 1);
616 /* One comment line (must be only one) */
617 g_printf("Executing (as %s) : %s\n", username
, command
);
619 execlp("su", "su", "-p", "-c", command
, username
, NULL
);
620 exit(-1); /* not supposed to happen! */
622 //gint ret = execvp();
626 g_warning("Error happened when forking for su");
635 void start_clicked (GtkButton
*button
, gpointer user_data
)
637 ControlData
*tcd
= (ControlData
*)user_data
;
639 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
640 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
641 const gchar
*channel_dir
=
642 gtk_entry_get_text(GTK_ENTRY(tcd
->channel_dir_entry
));
643 const gchar
*trace_dir
= gtk_entry_get_text(GTK_ENTRY(tcd
->trace_dir_entry
));
644 const gchar
*trace_name
=
645 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
647 const gchar
*trace_mode_sel
;
650 gtk_combo_box_get_active_iter(GTK_COMBO_BOX(tcd
->trace_mode_combo
), &iter
);
652 gtk_combo_box_get_model(GTK_COMBO_BOX(tcd
->trace_mode_combo
)),
653 &iter
, 0, &trace_mode_sel
, -1);
654 //const gchar *trace_mode_sel =
655 //2.6+ gtk_combo_box_get_active_text(GTK_COMBO_BOX(tcd->trace_mode_combo));
656 const gchar
*trace_mode
;
657 if(strcmp(trace_mode_sel
, "normal") == 0)
658 trace_mode
= "normal";
660 trace_mode
= "flight";
662 gboolean start_daemon
=
663 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd
->start_daemon_check
));
666 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd
->append_check
));
668 const gchar
*subbuf_size
=
669 gtk_entry_get_text(GTK_ENTRY(tcd
->subbuf_size_entry
));
670 const gchar
*subbuf_num
=
671 gtk_entry_get_text(GTK_ENTRY(tcd
->subbuf_num_entry
));
672 const gchar
*threads_num
=
673 gtk_entry_get_text(GTK_ENTRY(tcd
->lttd_threads_entry
));
674 const gchar
*lttctl_path
=
675 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
676 const gchar
*lttd_path
= gtk_entry_get_text(GTK_ENTRY(tcd
->lttd_path_entry
));
677 const gchar
*fac_path
= gtk_entry_get_text(GTK_ENTRY(tcd
->fac_path_entry
));
680 /* Setup arguments to su */
682 gchar args
[MAX_ARGS_LEN
];
683 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
688 strncat(args
, "exec", 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;
695 if(strcmp(lttctl_path
, "") == 0)
696 strncat(args
, "lttctl", args_left
);
698 strncat(args
, lttctl_path
, args_left
);
699 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
702 strncat(args
, " ", args_left
);
703 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
706 strncat(args
, "-l ", args_left
);
707 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
708 strncat(args
, channel_dir
, args_left
);
709 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
712 strncat(args
, " ", args_left
);
713 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
716 strncat(args
, "-t ", args_left
);
717 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
718 strncat(args
, trace_dir
, args_left
);
719 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
722 strncat(args
, " ", args_left
);
723 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
726 strncat(args
, "-n ", args_left
);
727 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
728 strncat(args
, trace_name
, args_left
);
729 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
732 strncat(args
, " ", args_left
);
733 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
736 strncat(args
, "-m ", args_left
);
737 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
738 strncat(args
, trace_mode
, args_left
);
739 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
742 strncat(args
, " ", args_left
);
743 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
747 strncat(args
, "-d", args_left
);
748 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
750 /* Simply create the channel and then start tracing */
751 strncat(args
, "-b", args_left
);
752 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
756 /* Append to trace ? */
759 strncat(args
, " ", args_left
);
760 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
761 strncat(args
, "-a", args_left
);
762 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
765 /* optional arguments */
767 if(strcmp(subbuf_size
, "") != 0) {
769 strncat(args
, " ", args_left
);
770 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
772 strncat(args
, "-z ", args_left
);
773 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
774 strncat(args
, subbuf_size
, args_left
);
775 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
778 /* number of subbuffers */
779 if(strcmp(subbuf_num
, "") != 0) {
781 strncat(args
, " ", args_left
);
782 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
784 strncat(args
, "-x ", args_left
);
785 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
786 strncat(args
, subbuf_num
, args_left
);
787 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
790 /* number of lttd threads */
791 if(strcmp(threads_num
, "") != 0) {
793 strncat(args
, " ", args_left
);
794 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
796 strncat(args
, "-N ", args_left
);
797 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
798 strncat(args
, threads_num
, args_left
);
799 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
803 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
807 guint msg_left
= 256;
809 strcpy(msg
, "A problem occured when executing the su command : ");
810 msg_left
= 256 - strlen(msg
) - 1;
811 strncat(msg
, strerror(retval
), msg_left
);
812 GtkWidget
*dialogue
=
813 gtk_message_dialog_new(
814 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
815 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
819 gtk_dialog_run(GTK_DIALOG(dialogue
));
820 gtk_widget_destroy(dialogue
);
826 void pause_clicked (GtkButton
*button
, gpointer user_data
)
828 ControlData
*tcd
= (ControlData
*)user_data
;
830 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
831 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
832 const gchar
*trace_name
=
833 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
834 const gchar
*lttd_path
= "";
835 const gchar
*fac_path
= "";
837 const gchar
*lttctl_path
=
838 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
840 /* Setup arguments to su */
842 gchar args
[MAX_ARGS_LEN
];
843 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
848 strncat(args
, "exec", args_left
);
849 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
852 strncat(args
, " ", args_left
);
853 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
855 if(strcmp(lttctl_path
, "") == 0)
856 strncat(args
, "lttctl", args_left
);
858 strncat(args
, lttctl_path
, args_left
);
859 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
862 strncat(args
, " ", args_left
);
863 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
866 strncat(args
, "-n ", args_left
);
867 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
868 strncat(args
, trace_name
, args_left
);
869 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
872 strncat(args
, " ", args_left
);
873 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
875 /* Simply pause tracing */
876 strncat(args
, "-q", args_left
);
877 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
879 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
882 guint msg_left
= 256;
884 strcpy(msg
, "A problem occured when executing the su command : ");
885 msg_left
= 256 - strlen(msg
) - 1;
886 strncat(msg
, strerror(retval
), msg_left
);
887 GtkWidget
*dialogue
=
888 gtk_message_dialog_new(
889 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
890 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
894 gtk_dialog_run(GTK_DIALOG(dialogue
));
895 gtk_widget_destroy(dialogue
);
900 void unpause_clicked (GtkButton
*button
, gpointer user_data
)
902 ControlData
*tcd
= (ControlData
*)user_data
;
904 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
905 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
906 const gchar
*trace_name
=
907 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
908 const gchar
*lttd_path
= "";
909 const gchar
*fac_path
= "";
911 const gchar
*lttctl_path
=
912 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
914 /* Setup arguments to su */
916 gchar args
[MAX_ARGS_LEN
];
917 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
922 strncat(args
, "exec", args_left
);
923 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
926 strncat(args
, " ", args_left
);
927 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
929 if(strcmp(lttctl_path
, "") == 0)
930 strncat(args
, "lttctl", args_left
);
932 strncat(args
, lttctl_path
, args_left
);
933 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
936 strncat(args
, " ", args_left
);
937 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
940 strncat(args
, "-n ", args_left
);
941 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
942 strncat(args
, trace_name
, args_left
);
943 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
946 strncat(args
, " ", args_left
);
947 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
949 /* Simply unpause tracing */
950 strncat(args
, "-s", args_left
);
951 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
953 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
956 guint msg_left
= 256;
958 strcpy(msg
, "A problem occured when executing the su command : ");
959 msg_left
= 256 - strlen(msg
) - 1;
960 strncat(msg
, strerror(retval
), msg_left
);
961 GtkWidget
*dialogue
=
962 gtk_message_dialog_new(
963 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
964 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
968 gtk_dialog_run(GTK_DIALOG(dialogue
));
969 gtk_widget_destroy(dialogue
);
974 void stop_clicked (GtkButton
*button
, gpointer user_data
)
976 ControlData
*tcd
= (ControlData
*)user_data
;
978 const gchar
*username
= gtk_entry_get_text(GTK_ENTRY(tcd
->username_entry
));
979 const gchar
*password
= gtk_entry_get_text(GTK_ENTRY(tcd
->password_entry
));
980 const gchar
*trace_name
=
981 gtk_entry_get_text(GTK_ENTRY(tcd
->trace_name_entry
));
982 const gchar
*lttd_path
= "";
983 const gchar
*fac_path
= "";
985 const gchar
*lttctl_path
=
986 gtk_entry_get_text(GTK_ENTRY(tcd
->lttctl_path_entry
));
987 gchar
*trace_dir
= gtk_entry_get_text(GTK_ENTRY(tcd
->trace_dir_entry
));
988 GSList
* trace_list
= NULL
;
990 trace_list
= g_slist_append(trace_list
, trace_dir
);
992 /* Setup arguments to su */
994 gchar args
[MAX_ARGS_LEN
];
995 gint args_left
= MAX_ARGS_LEN
- 1; /* for \0 */
1000 strncat(args
, "exec", args_left
);
1001 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1004 strncat(args
, " ", args_left
);
1005 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1007 if(strcmp(lttctl_path
, "") == 0)
1008 strncat(args
, "lttctl", args_left
);
1010 strncat(args
, lttctl_path
, args_left
);
1011 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1014 strncat(args
, " ", args_left
);
1015 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1018 strncat(args
, "-n ", args_left
);
1019 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1020 strncat(args
, trace_name
, args_left
);
1021 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1024 strncat(args
, " ", args_left
);
1025 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1027 /* Simply stop tracing and destroy channel */
1028 strncat(args
, "-R", args_left
);
1029 args_left
= MAX_ARGS_LEN
- strlen(args
) - 1;
1031 int retval
= execute_command(args
, username
, password
, lttd_path
, fac_path
);
1034 guint msg_left
= 256;
1036 strcpy(msg
, "A problem occured when executing the su command : ");
1037 msg_left
= 256 - strlen(msg
) - 1;
1038 strncat(msg
, strerror(retval
), msg_left
);
1039 GtkWidget
*dialogue
=
1040 gtk_message_dialog_new(
1041 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
1042 GTK_DIALOG_MODAL
|GTK_DIALOG_DESTROY_WITH_PARENT
,
1046 gtk_dialog_run(GTK_DIALOG(dialogue
));
1047 gtk_widget_destroy(dialogue
);
1052 /* Ask to the user if he wants to open the trace in a new window */
1053 GtkWidget
*dialogue
;
1057 dialogue
= gtk_dialog_new_with_buttons("Open trace ?",
1058 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button
))),
1059 GTK_DIALOG_MODAL
| GTK_DIALOG_DESTROY_WITH_PARENT
,
1060 GTK_STOCK_YES
,GTK_RESPONSE_ACCEPT
,
1061 GTK_STOCK_NO
,GTK_RESPONSE_REJECT
,
1063 label
= gtk_label_new("Do you want to open the trace in LTTV ?");
1064 gtk_widget_show(label
);
1066 gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialogue
)->vbox
),
1069 id
= gtk_dialog_run(GTK_DIALOG(dialogue
));
1072 case GTK_RESPONSE_ACCEPT
:
1074 create_main_window_with_trace_list(trace_list
);
1077 case GTK_RESPONSE_REJECT
:
1081 gtk_widget_destroy(dialogue
);
1082 g_slist_free(trace_list
);
1087 * @fn GtkWidget* h_guicontrol(Tab*)
1089 * Control Module's constructor hook
1091 * This constructor is given as a parameter to the menuitem and toolbar button
1092 * registration. It creates the list.
1093 * @param tab A pointer to the parent window.
1094 * @return The widget created.
1097 h_guicontrol(LttvPlugin
*plugin
)
1099 LttvPluginTab
*ptab
= LTTV_PLUGIN_TAB(plugin
);
1100 ControlData
* f
= gui_control(ptab
);
1106 * @fn static void init()
1108 * This function initializes the Filter Viewer functionnality through the
1111 static void init() {
1113 lttvwindow_register_constructor("guicontrol",
1115 "Insert Tracing Control Module",
1116 hTraceControlInsert_xpm
,
1117 "Insert Tracing Control Module",
1122 * @fn void control_destroy_walk(gpointer,gpointer)
1124 * Initiate the destruction of the current gui module
1125 * on the GTK Interface
1128 control_destroy_walk(gpointer data
, gpointer user_data
)
1130 ControlData
*tcd
= (ControlData
*)data
;
1132 g_debug("traceontrol.c : control_destroy_walk, %p", tcd
);
1134 /* May already have been done by GTK window closing */
1135 if(GTK_IS_WIDGET(guicontrol_get_widget(tcd
)))
1136 gtk_widget_destroy(guicontrol_get_widget(tcd
));
1140 * @fn static void destroy()
1141 * @brief plugin's destroy function
1143 * This function releases the memory reserved by the module and unregisters
1144 * everything that has been registered in the gtkTraceSet API.
1146 static void destroy() {
1148 g_slist_foreach(g_control_list
, control_destroy_walk
, NULL
);
1150 lttvwindow_unregister_constructor(h_guicontrol
);
1155 LTTV_MODULE("guitracecontrol", "Trace Control Window", \
1156 "Graphical module that let user control kernel tracing", \
1157 init
, destroy
, "lttvwindow")