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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2005 Mathieu Desnoyers |
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 as |
6 | * 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 |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> |
21 | #endif |
22 | |
23 | #include <glib.h> |
24 | #include <string.h> |
25 | #include <gtk/gtk.h> |
26 | #include <gdk/gdk.h> |
27 | #include <gdk/gdkkeysyms.h> |
28 | |
29 | #include <lttv/lttv.h> |
30 | #include <lttv/module.h> |
31 | #include <lttv/hook.h> |
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32 | |
33 | #include <lttvwindow/lttvwindow.h> |
34 | #include <lttvwindow/lttvwindowtraces.h> |
35 | |
36 | #include "hTraceControlInsert.xpm" |
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37 | #include "TraceControlStart.xpm" |
38 | #include "TraceControlPause.xpm" |
39 | #include "TraceControlStop.xpm" |
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40 | |
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41 | #include <sys/types.h> |
42 | #include <unistd.h> |
43 | #include <stdlib.h> |
44 | |
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45 | #define MAX_ARGS_LEN PATH_MAX * 10 |
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46 | |
47 | GSList *g_control_list = NULL ; |
48 | |
49 | /*! \file lttv/modules/gui/tracecontrol/tracecontrol.c |
50 | * \brief Graphic trace start/stop control interface. |
51 | * |
52 | * This plugin interacts with lttctl to start/stop tracing. It needs to take the |
53 | * root password to be able to interact with lttctl. |
54 | * |
55 | */ |
56 | |
57 | typedef struct _ControlData ControlData; |
58 | |
59 | /* |
60 | * Prototypes |
61 | */ |
62 | GtkWidget *guicontrol_get_widget(ControlData *tcd); |
63 | ControlData *gui_control(Tab *tab); |
64 | void gui_control_destructor(ControlData *tcd); |
65 | GtkWidget* h_guicontrol(Tab *tab); |
66 | void control_destroy_walk(gpointer data, gpointer user_data); |
67 | |
68 | /* |
69 | * Callback functions |
70 | */ |
71 | |
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72 | static void start_clicked (GtkButton *button, gpointer user_data); |
73 | static void pause_clicked (GtkButton *button, gpointer user_data); |
74 | static void stop_clicked (GtkButton *button, gpointer user_data); |
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75 | |
76 | /** |
77 | * @struct _ControlData |
78 | * |
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79 | * @brief Main structure of gui control |
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80 | */ |
81 | struct _ControlData { |
82 | Tab *tab; /**< current tab of module */ |
83 | |
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84 | GtkWidget *window; /**< window */ |
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85 | |
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86 | GtkWidget *main_box; /**< main container */ |
87 | GtkWidget *start_button; |
88 | GtkWidget *pause_button; |
89 | GtkWidget *stop_button; |
90 | GtkWidget *username_label; |
91 | GtkWidget *username_entry; |
92 | GtkWidget *password_label; |
93 | GtkWidget *password_entry; |
94 | GtkWidget *channel_dir_label; |
95 | GtkWidget *channel_dir_entry; |
96 | GtkWidget *trace_dir_label; |
97 | GtkWidget *trace_dir_entry; |
98 | GtkWidget *trace_name_label; |
99 | GtkWidget *trace_name_entry; |
100 | GtkWidget *trace_mode_label; |
101 | GtkWidget *trace_mode_combo; |
102 | GtkWidget *start_daemon_label; |
103 | GtkWidget *start_daemon_check; |
104 | GtkWidget *optional_label; |
105 | GtkWidget *subbuf_size_label; |
106 | GtkWidget *subbuf_size_entry; |
107 | GtkWidget *subbuf_num_label; |
108 | GtkWidget *subbuf_num_entry; |
109 | GtkWidget *lttctl_path_label; |
110 | GtkWidget *lttctl_path_entry; |
111 | GtkWidget *lttd_path_label; |
112 | GtkWidget *lttd_path_entry; |
113 | GtkWidget *fac_path_label; |
114 | GtkWidget *fac_path_entry; |
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115 | }; |
116 | |
117 | /** |
118 | * @fn GtkWidget* guicontrol_get_widget(ControlData*) |
119 | * |
120 | * This function returns the current main widget |
121 | * used by this module |
122 | * @param tcd the module struct |
123 | * @return The main widget |
124 | */ |
125 | GtkWidget* |
126 | guicontrol_get_widget(ControlData *tcd) |
127 | { |
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128 | return tcd->window; |
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129 | } |
130 | |
131 | /** |
132 | * @fn ControlData* gui_control(Tab*) |
133 | * |
134 | * Constructor is used to create ControlData data structure. |
135 | * @param tab The tab structure used by the widget |
136 | * @return The Filter viewer data created. |
137 | */ |
138 | ControlData* |
139 | gui_control(Tab *tab) |
140 | { |
141 | g_debug("filter::gui_control()"); |
142 | |
143 | unsigned i; |
144 | GtkCellRenderer *renderer; |
145 | GtkTreeViewColumn *column; |
146 | |
147 | ControlData* tcd = g_new(ControlData,1); |
148 | |
149 | tcd->tab = tab; |
150 | |
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151 | tcd->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
152 | gtk_window_set_title(GTK_WINDOW(tcd->window), "LTTng Trace Control"); |
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153 | /* |
154 | * Initiating GtkTable layout |
155 | * starts with 2 rows and 5 columns and |
156 | * expands when expressions added |
157 | */ |
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158 | tcd->main_box = gtk_table_new(14,7,FALSE); |
159 | gtk_table_set_row_spacings(GTK_TABLE(tcd->main_box),5); |
160 | gtk_table_set_col_spacings(GTK_TABLE(tcd->main_box),5); |
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161 | |
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162 | gtk_container_add(GTK_CONTAINER(tcd->window), GTK_WIDGET(tcd->main_box)); |
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163 | |
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164 | /* |
165 | * start/pause/stop buttons |
166 | */ |
167 | GdkPixbuf *pixbuf; |
168 | GtkWidget *image; |
169 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStart_xpm); |
170 | image = gtk_image_new_from_pixbuf(pixbuf); |
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171 | tcd->start_button = gtk_button_new_with_label("start"); |
172 | gtk_button_set_image(GTK_BUTTON(tcd->start_button), image); |
173 | gtk_button_set_alignment(GTK_BUTTON(tcd->start_button), 0.0, 0.0); |
174 | gtk_widget_show (tcd->start_button); |
175 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_button,6,7,0,1,GTK_FILL,GTK_FILL,2,2); |
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176 | |
177 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm); |
178 | image = gtk_image_new_from_pixbuf(pixbuf); |
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179 | tcd->pause_button = gtk_button_new_with_label("pause"); |
180 | gtk_button_set_image(GTK_BUTTON(tcd->pause_button), image); |
181 | gtk_button_set_alignment(GTK_BUTTON(tcd->pause_button), 0.0, 0.0); |
182 | gtk_widget_show (tcd->pause_button); |
183 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->pause_button,6,7,1,2,GTK_FILL,GTK_FILL,2,2); |
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184 | |
185 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStop_xpm); |
186 | image = gtk_image_new_from_pixbuf(pixbuf); |
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187 | tcd->stop_button = gtk_button_new_with_label("stop"); |
188 | gtk_button_set_image(GTK_BUTTON(tcd->stop_button), image); |
189 | gtk_button_set_alignment(GTK_BUTTON(tcd->stop_button), 0.0, 0.0); |
190 | gtk_widget_show (tcd->stop_button); |
191 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->stop_button,6,7,2,3,GTK_FILL,GTK_FILL,2,2); |
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192 | |
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193 | /* |
194 | * First half of the filter window |
195 | * - textual entry of filter expression |
196 | * - processing button |
197 | */ |
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198 | tcd->username_label = gtk_label_new("Username:"); |
199 | gtk_widget_show (tcd->username_label); |
200 | tcd->username_entry = gtk_entry_new(); |
201 | gtk_entry_set_text(GTK_ENTRY(tcd->username_entry),"root"); |
202 | gtk_widget_show (tcd->username_entry); |
203 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->username_label,0,2,0,1,GTK_FILL,GTK_FILL,2,2); |
204 | 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); |
205 | |
206 | |
207 | |
208 | tcd->password_label = gtk_label_new("Password:"); |
209 | gtk_widget_show (tcd->password_label); |
210 | tcd->password_entry = gtk_entry_new(); |
211 | gtk_entry_set_visibility(GTK_ENTRY(tcd->password_entry), FALSE); |
212 | gtk_widget_show (tcd->password_entry); |
213 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->password_label,0,2,1,2,GTK_FILL,GTK_FILL,2,2); |
214 | 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); |
215 | |
216 | |
217 | tcd->channel_dir_label = gtk_label_new("Channel directory:"); |
218 | gtk_widget_show (tcd->channel_dir_label); |
219 | tcd->channel_dir_entry = gtk_entry_new(); |
220 | gtk_entry_set_text(GTK_ENTRY(tcd->channel_dir_entry),"/mnt/relayfs/ltt"); |
221 | gtk_widget_show (tcd->channel_dir_entry); |
222 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->channel_dir_label,0,2,2,3,GTK_FILL,GTK_FILL,2,2); |
223 | 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); |
224 | |
225 | tcd->trace_dir_label = gtk_label_new("Trace directory:"); |
226 | gtk_widget_show (tcd->trace_dir_label); |
227 | tcd->trace_dir_entry = gtk_entry_new(); |
228 | gtk_entry_set_text(GTK_ENTRY(tcd->trace_dir_entry),"/tmp/trace1"); |
229 | gtk_widget_show (tcd->trace_dir_entry); |
230 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_dir_label,0,2,3,4,GTK_FILL,GTK_FILL,2,2); |
231 | 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); |
232 | |
233 | tcd->trace_name_label = gtk_label_new("Trace name:"); |
234 | gtk_widget_show (tcd->trace_name_label); |
235 | tcd->trace_name_entry = gtk_entry_new(); |
236 | gtk_entry_set_text(GTK_ENTRY(tcd->trace_name_entry),"trace"); |
237 | gtk_widget_show (tcd->trace_name_entry); |
238 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_name_label,0,2,4,5,GTK_FILL,GTK_FILL,2,2); |
239 | 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); |
240 | |
241 | tcd->trace_mode_label = gtk_label_new("Trace mode "); |
242 | gtk_widget_show (tcd->trace_mode_label); |
243 | tcd->trace_mode_combo = gtk_combo_box_new_text(); |
244 | gtk_combo_box_append_text(GTK_COMBO_BOX(tcd->trace_mode_combo), |
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245 | "normal"); |
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246 | gtk_combo_box_append_text(GTK_COMBO_BOX(tcd->trace_mode_combo), |
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247 | "flight recorder"); |
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248 | gtk_combo_box_set_active(GTK_COMBO_BOX(tcd->trace_mode_combo), 0); |
249 | gtk_widget_show (tcd->trace_mode_combo); |
250 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_mode_label,0,2,5,6,GTK_FILL,GTK_FILL,2,2); |
251 | 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); |
252 | |
253 | tcd->start_daemon_label = gtk_label_new("Start daemon "); |
254 | gtk_widget_show (tcd->start_daemon_label); |
255 | tcd->start_daemon_check = gtk_check_button_new(); |
256 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd->start_daemon_check), TRUE); |
257 | gtk_widget_show (tcd->start_daemon_check); |
258 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_daemon_label,0,2,6,7,GTK_FILL,GTK_FILL,2,2); |
259 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_daemon_check,2,6,6,7,GTK_FILL,GTK_FILL,0,0); |
260 | |
261 | tcd->optional_label = gtk_label_new("Optional fields "); |
262 | gtk_widget_show (tcd->optional_label); |
263 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->optional_label,0,6,7,8,GTK_FILL,GTK_FILL,2,2); |
264 | |
265 | tcd->subbuf_size_label = gtk_label_new("Subbuffer size:"); |
266 | gtk_widget_show (tcd->subbuf_size_label); |
267 | tcd->subbuf_size_entry = gtk_entry_new(); |
268 | gtk_widget_show (tcd->subbuf_size_entry); |
269 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_size_label,0,2,8,9,GTK_FILL,GTK_FILL,2,2); |
270 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_size_entry,2,6,8,9,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
271 | |
272 | tcd->subbuf_num_label = gtk_label_new("Number of subbuffers:"); |
273 | gtk_widget_show (tcd->subbuf_num_label); |
274 | tcd->subbuf_num_entry = gtk_entry_new(); |
275 | gtk_widget_show (tcd->subbuf_num_entry); |
276 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_num_label,0,2,9,10,GTK_FILL,GTK_FILL,2,2); |
277 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_num_entry,2,6,9,10,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
278 | |
279 | tcd->lttctl_path_label = gtk_label_new("path to lttctl:"); |
280 | gtk_widget_show (tcd->lttctl_path_label); |
281 | tcd->lttctl_path_entry = gtk_entry_new(); |
282 | gtk_widget_show (tcd->lttctl_path_entry); |
283 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttctl_path_label,0,2,10,11,GTK_FILL,GTK_FILL,2,2); |
284 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttctl_path_entry,2,6,10,11,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
285 | |
286 | |
287 | tcd->lttd_path_label = gtk_label_new("path to lttd:"); |
288 | gtk_widget_show (tcd->lttd_path_label); |
289 | tcd->lttd_path_entry = gtk_entry_new(); |
290 | gtk_widget_show (tcd->lttd_path_entry); |
291 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttd_path_label,0,2,11,12,GTK_FILL,GTK_FILL,2,2); |
292 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttd_path_entry,2,6,11,12,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
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293 | |
294 | |
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295 | tcd->fac_path_label = gtk_label_new("path to facilities:"); |
296 | gtk_widget_show (tcd->fac_path_label); |
297 | tcd->fac_path_entry = gtk_entry_new(); |
298 | gtk_entry_set_text(GTK_ENTRY(tcd->fac_path_entry),PACKAGE_DATA_DIR "/facilities"); |
299 | gtk_widget_set_size_request(tcd->fac_path_entry, 250, -1); |
300 | gtk_widget_show (tcd->fac_path_entry); |
301 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->fac_path_label,0,2,12,13,GTK_FILL,GTK_FILL,2,2); |
302 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->fac_path_entry,2,6,12,13,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
303 | |
304 | g_signal_connect(G_OBJECT(tcd->start_button), "clicked", |
305 | (GCallback)start_clicked, tcd); |
306 | g_signal_connect(G_OBJECT(tcd->pause_button), "clicked", |
307 | (GCallback)pause_clicked, tcd); |
308 | g_signal_connect(G_OBJECT(tcd->stop_button), "clicked", |
309 | (GCallback)stop_clicked, tcd); |
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310 | |
311 | /* |
312 | * show main container |
313 | */ |
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314 | gtk_widget_show(tcd->main_box); |
315 | gtk_widget_show(tcd->window); |
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316 | |
317 | |
318 | g_object_set_data_full( |
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319 | G_OBJECT(guicontrol_get_widget(tcd)), |
320 | "control_viewer_data", |
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321 | tcd, |
322 | (GDestroyNotify)gui_control_destructor); |
323 | |
324 | g_control_list = g_slist_append( |
325 | g_control_list, |
326 | tcd); |
327 | |
328 | return tcd; |
329 | } |
330 | |
331 | |
332 | /** |
333 | * @fn void gui_control_destructor(ControlData*) |
334 | * |
335 | * Destructor for the filter gui module |
336 | * @param tcd The module structure |
337 | */ |
338 | void |
339 | gui_control_destructor(ControlData *tcd) |
340 | { |
341 | Tab *tab = tcd->tab; |
342 | |
343 | /* May already been done by GTK window closing */ |
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344 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))){ |
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345 | g_info("widget still exists"); |
346 | } |
347 | // if(tab != NULL) { |
348 | // lttvwindow_unregister_traceset_notify(tcd->tab, |
349 | // filter_traceset_changed, |
350 | // filter_viewer_data); |
351 | // } |
352 | lttvwindowtraces_background_notify_remove(tcd); |
353 | |
354 | g_control_list = g_slist_remove(g_control_list, tcd); |
355 | |
356 | g_free(tcd); |
357 | } |
358 | |
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359 | /* Callbacks */ |
360 | |
361 | void start_clicked (GtkButton *button, gpointer user_data) |
362 | { |
363 | ControlData *tcd = (ControlData*)user_data; |
364 | |
365 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
366 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
367 | const gchar *channel_dir = |
368 | gtk_entry_get_text(GTK_ENTRY(tcd->channel_dir_entry)); |
369 | const gchar *trace_dir = gtk_entry_get_text(GTK_ENTRY(tcd->trace_dir_entry)); |
370 | const gchar *trace_name = |
371 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
372 | |
373 | const gchar *trace_mode_sel = |
374 | gtk_combo_box_get_active_text(GTK_COMBO_BOX(tcd->trace_mode_combo)); |
375 | const gchar *trace_mode; |
376 | if(strcmp(trace_mode_sel, "normal") == 0) |
377 | trace_mode = "normal"; |
378 | else |
379 | trace_mode = "flight"; |
380 | |
381 | gboolean start_daemon = |
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382 | gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd->start_daemon_check)); |
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383 | |
384 | const gchar *subbuf_size = |
385 | gtk_entry_get_text(GTK_ENTRY(tcd->subbuf_size_entry)); |
386 | const gchar *subbuf_num = |
387 | gtk_entry_get_text(GTK_ENTRY(tcd->subbuf_num_entry)); |
388 | const gchar *lttctl_path = |
389 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
390 | const gchar *lttd_path = gtk_entry_get_text(GTK_ENTRY(tcd->lttd_path_entry)); |
391 | const gchar *fac_path = gtk_entry_get_text(GTK_ENTRY(tcd->fac_path_entry)); |
392 | |
393 | pid_t pid = fork(); |
394 | |
395 | if(pid > 0) { |
396 | /* parent */ |
397 | |
398 | |
399 | } else if(pid == 0) { |
400 | /* child */ |
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401 | gchar args[MAX_ARGS_LEN]; |
402 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
403 | |
404 | /* Setup environment variables */ |
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405 | if(strcmp(lttd_path, "") != 0) |
406 | setenv("LTT_DAEMON", lttd_path, 1); |
407 | if(strcmp(fac_path, "") != 0) |
408 | setenv("LTT_FACILITIES", fac_path, 1); |
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409 | |
410 | /* Setup arguments to su */ |
411 | if(strcmp(lttctl_path, "") == 0) { |
412 | strncpy(args, "lttctl", args_left); |
413 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
414 | } else { |
415 | strncpy(args, lttctl_path, args_left); |
416 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
417 | } |
418 | |
419 | /* space */ |
420 | strncat(args, " ", args_left); |
421 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
422 | |
423 | /* channel dir */ |
424 | strncat(args, "-l ", args_left); |
425 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
426 | strncat(args, channel_dir, args_left); |
427 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
428 | |
429 | /* space */ |
430 | strncat(args, " ", args_left); |
431 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
432 | |
433 | /* trace dir */ |
434 | strncat(args, "-t ", args_left); |
435 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
436 | strncat(args, trace_dir, args_left); |
437 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
438 | |
439 | /* space */ |
440 | strncat(args, " ", args_left); |
441 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
442 | |
443 | /* name */ |
444 | strncat(args, "-n ", args_left); |
445 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
446 | strncat(args, trace_name, args_left); |
447 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
448 | |
449 | /* space */ |
450 | strncat(args, " ", args_left); |
451 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
452 | |
453 | /* trace mode */ |
454 | strncat(args, "-m ", args_left); |
455 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
456 | strncat(args, trace_mode, args_left); |
457 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
458 | |
459 | /* space */ |
460 | strncat(args, " ", args_left); |
461 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
462 | |
463 | /* Start daemon ? */ |
464 | if(start_daemon) { |
465 | strncat(args, "-d", args_left); |
466 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
467 | } else { |
468 | /* Simply create the channel and then start tracing */ |
469 | strncat(args, "-b", args_left); |
470 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
471 | } |
472 | |
473 | /* space */ |
474 | strncat(args, " ", args_left); |
475 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
476 | |
477 | /* optional arguments */ |
478 | /* subbuffer size */ |
479 | if(strcmp(subbuf_size, "") != 0) { |
480 | strncat(args, "-z ", args_left); |
481 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
482 | strncat(args, subbuf_size, args_left); |
483 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
484 | } |
485 | |
486 | /* space */ |
487 | strncat(args, " ", args_left); |
488 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
489 | |
490 | /* number of subbuffers */ |
491 | if(strcmp(subbuf_num, "") != 0) { |
492 | strncat(args, "-x ", args_left); |
493 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
494 | strncat(args, subbuf_num, args_left); |
495 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
496 | } |
497 | |
498 | g_message("Executing (as %s) : %s", username, args); |
499 | |
500 | //execlp("su", "-p", ); |
501 | //exit(-1): /* not supposed to happen! */ |
502 | system(args); |
77ef407f |
503 | exit(0); |
504 | |
505 | //gint ret = execvp(); |
506 | |
507 | } else { |
508 | /* error */ |
509 | |
510 | } |
511 | |
512 | } |
513 | |
514 | |
515 | void pause_clicked (GtkButton *button, gpointer user_data) |
516 | { |
517 | ControlData *tcd = (ControlData*)user_data; |
518 | |
519 | |
520 | } |
521 | |
522 | void stop_clicked (GtkButton *button, gpointer user_data) |
523 | { |
524 | ControlData *tcd = (ControlData*)user_data; |
525 | |
526 | |
527 | } |
528 | |
e7c8534e |
529 | |
530 | /** |
531 | * @fn GtkWidget* h_guicontrol(Tab*) |
532 | * |
533 | * Control Module's constructor hook |
534 | * |
535 | * This constructor is given as a parameter to the menuitem and toolbar button |
536 | * registration. It creates the list. |
537 | * @param tab A pointer to the parent window. |
538 | * @return The widget created. |
539 | */ |
540 | GtkWidget * |
541 | h_guicontrol(Tab *tab) |
542 | { |
543 | ControlData* f = gui_control(tab) ; |
544 | |
545 | return NULL; |
546 | } |
547 | |
548 | /** |
549 | * @fn static void init() |
550 | * |
551 | * This function initializes the Filter Viewer functionnality through the |
552 | * gtkTraceSet API. |
553 | */ |
554 | static void init() { |
555 | |
556 | lttvwindow_register_constructor("guicontrol", |
557 | "/", |
558 | "Insert Tracing Control Module", |
559 | hTraceControlInsert_xpm, |
560 | "Insert Tracing Control Module", |
561 | h_guicontrol); |
562 | } |
563 | |
564 | /** |
565 | * @fn void control_destroy_walk(gpointer,gpointer) |
566 | * |
567 | * Initiate the destruction of the current gui module |
568 | * on the GTK Interface |
569 | */ |
570 | void |
571 | control_destroy_walk(gpointer data, gpointer user_data) |
572 | { |
573 | ControlData *tcd = (ControlData*)data; |
574 | |
575 | g_debug("traceontrol.c : control_destroy_walk, %p", tcd); |
576 | |
577 | /* May already have been done by GTK window closing */ |
578 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))) |
579 | gtk_widget_destroy(guicontrol_get_widget(tcd)); |
580 | } |
581 | |
582 | /** |
583 | * @fn static void destroy() |
584 | * @brief plugin's destroy function |
585 | * |
586 | * This function releases the memory reserved by the module and unregisters |
587 | * everything that has been registered in the gtkTraceSet API. |
588 | */ |
589 | static void destroy() { |
590 | |
591 | g_slist_foreach(g_control_list, control_destroy_walk, NULL ); |
592 | |
593 | lttvwindow_unregister_constructor(h_guicontrol); |
594 | |
595 | } |
596 | |
597 | |
598 | LTTV_MODULE("guitracecontrol", "Trace Control Window", \ |
599 | "Graphical module that let user control kernel tracing", \ |
600 | init, destroy, "lttvwindow") |
601 | |