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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> |
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24 | #include <glib/gprintf.h> |
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25 | #include <string.h> |
26 | #include <gtk/gtk.h> |
27 | #include <gdk/gdk.h> |
28 | #include <gdk/gdkkeysyms.h> |
29 | |
30 | #include <lttv/lttv.h> |
31 | #include <lttv/module.h> |
32 | #include <lttv/hook.h> |
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33 | |
34 | #include <lttvwindow/lttvwindow.h> |
35 | #include <lttvwindow/lttvwindowtraces.h> |
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36 | #include <lttvwindow/callbacks.h> |
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37 | #include <lttvwindow/lttv_plugin_tab.h> |
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38 | |
39 | #include "hTraceControlInsert.xpm" |
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40 | #include "TraceControlStart.xpm" |
41 | #include "TraceControlPause.xpm" |
42 | #include "TraceControlStop.xpm" |
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43 | |
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44 | #include <sys/types.h> |
45 | #include <unistd.h> |
46 | #include <stdlib.h> |
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47 | #include <pty.h> |
48 | #include <utmp.h> |
49 | #include <sys/wait.h> |
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50 | #include <sys/poll.h> |
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51 | #include <errno.h> |
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52 | #include <fcntl.h> |
53 | #include <sched.h> |
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54 | |
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55 | #define MAX_ARGS_LEN PATH_MAX * 10 |
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56 | |
57 | GSList *g_control_list = NULL ; |
58 | |
59 | /*! \file lttv/modules/gui/tracecontrol/tracecontrol.c |
60 | * \brief Graphic trace start/stop control interface. |
61 | * |
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. |
64 | * |
65 | */ |
66 | |
67 | typedef struct _ControlData ControlData; |
68 | |
69 | /* |
70 | * Prototypes |
71 | */ |
72 | GtkWidget *guicontrol_get_widget(ControlData *tcd); |
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73 | ControlData *gui_control(LttvPluginTab *ptab); |
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74 | void gui_control_destructor(ControlData *tcd); |
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75 | GtkWidget* h_guicontrol(LttvPlugin *plugin); |
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76 | void control_destroy_walk(gpointer data, gpointer user_data); |
77 | |
78 | /* |
79 | * Callback functions |
80 | */ |
81 | |
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82 | static void start_clicked (GtkButton *button, gpointer user_data); |
83 | static void pause_clicked (GtkButton *button, gpointer user_data); |
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84 | static void unpause_clicked (GtkButton *button, gpointer user_data); |
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85 | static void stop_clicked (GtkButton *button, gpointer user_data); |
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86 | |
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87 | |
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88 | /** |
89 | * @struct _ControlData |
90 | * |
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91 | * @brief Main structure of gui control |
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92 | */ |
93 | struct _ControlData { |
94 | Tab *tab; /**< current tab of module */ |
95 | |
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96 | GtkWidget *window; /**< window */ |
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97 | |
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98 | GtkWidget *main_box; /**< main container */ |
99 | GtkWidget *start_button; |
100 | GtkWidget *pause_button; |
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101 | GtkWidget *unpause_button; |
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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; |
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117 | GtkWidget *append_label; |
118 | GtkWidget *append_check; |
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119 | GtkWidget *optional_label; |
120 | GtkWidget *subbuf_size_label; |
121 | GtkWidget *subbuf_size_entry; |
122 | GtkWidget *subbuf_num_label; |
123 | GtkWidget *subbuf_num_entry; |
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124 | GtkWidget *lttd_threads_label; |
125 | GtkWidget *lttd_threads_entry; |
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126 | GtkWidget *lttctl_path_label; |
127 | GtkWidget *lttctl_path_entry; |
128 | GtkWidget *lttd_path_label; |
129 | GtkWidget *lttd_path_entry; |
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130 | }; |
131 | |
132 | /** |
133 | * @fn GtkWidget* guicontrol_get_widget(ControlData*) |
134 | * |
135 | * This function returns the current main widget |
136 | * used by this module |
137 | * @param tcd the module struct |
138 | * @return The main widget |
139 | */ |
140 | GtkWidget* |
141 | guicontrol_get_widget(ControlData *tcd) |
142 | { |
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143 | return tcd->window; |
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144 | } |
145 | |
146 | /** |
147 | * @fn ControlData* gui_control(Tab*) |
148 | * |
149 | * Constructor is used to create ControlData data structure. |
150 | * @param tab The tab structure used by the widget |
151 | * @return The Filter viewer data created. |
152 | */ |
153 | ControlData* |
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154 | gui_control(LttvPluginTab *ptab) |
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155 | { |
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156 | Tab *tab = ptab->tab; |
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157 | g_debug("filter::gui_control()"); |
158 | |
159 | unsigned i; |
160 | GtkCellRenderer *renderer; |
161 | GtkTreeViewColumn *column; |
162 | |
163 | ControlData* tcd = g_new(ControlData,1); |
164 | |
165 | tcd->tab = tab; |
166 | |
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167 | tcd->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
168 | gtk_window_set_title(GTK_WINDOW(tcd->window), "LTTng Trace Control"); |
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169 | /* |
170 | * Initiating GtkTable layout |
171 | * starts with 2 rows and 5 columns and |
172 | * expands when expressions added |
173 | */ |
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174 | tcd->main_box = gtk_table_new(14,7,FALSE); |
175 | gtk_table_set_row_spacings(GTK_TABLE(tcd->main_box),5); |
176 | gtk_table_set_col_spacings(GTK_TABLE(tcd->main_box),5); |
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177 | |
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178 | gtk_container_add(GTK_CONTAINER(tcd->window), GTK_WIDGET(tcd->main_box)); |
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179 | |
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180 | GList *focus_chain = NULL; |
181 | |
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182 | /* |
183 | * start/pause/stop buttons |
184 | */ |
185 | GdkPixbuf *pixbuf; |
186 | GtkWidget *image; |
187 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStart_xpm); |
188 | image = gtk_image_new_from_pixbuf(pixbuf); |
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189 | tcd->start_button = gtk_button_new_with_label("start"); |
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190 | //2.6 gtk_button_set_image(GTK_BUTTON(tcd->start_button), image); |
191 | g_object_set(G_OBJECT(tcd->start_button), "image", image, NULL); |
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192 | gtk_button_set_alignment(GTK_BUTTON(tcd->start_button), 0.0, 0.0); |
193 | gtk_widget_show (tcd->start_button); |
194 | 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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195 | |
196 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm); |
197 | image = gtk_image_new_from_pixbuf(pixbuf); |
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198 | tcd->pause_button = gtk_button_new_with_label("pause"); |
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199 | //2.6 gtk_button_set_image(GTK_BUTTON(tcd->pause_button), image); |
200 | g_object_set(G_OBJECT(tcd->pause_button), "image", image, NULL); |
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201 | gtk_button_set_alignment(GTK_BUTTON(tcd->pause_button), 0.0, 0.0); |
202 | gtk_widget_show (tcd->pause_button); |
203 | 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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204 | |
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205 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm); |
206 | image = gtk_image_new_from_pixbuf(pixbuf); |
207 | tcd->unpause_button = gtk_button_new_with_label("unpause"); |
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208 | //2.6 gtk_button_set_image(GTK_BUTTON(tcd->unpause_button), image); |
209 | g_object_set(G_OBJECT(tcd->unpause_button), "image", image, NULL); |
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210 | gtk_button_set_alignment(GTK_BUTTON(tcd->unpause_button), 0.0, 0.0); |
211 | gtk_widget_show (tcd->unpause_button); |
212 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->unpause_button,6,7,2,3,GTK_FILL,GTK_FILL,2,2); |
213 | |
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214 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStop_xpm); |
215 | image = gtk_image_new_from_pixbuf(pixbuf); |
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216 | tcd->stop_button = gtk_button_new_with_label("stop"); |
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217 | //2.6 gtk_button_set_image(GTK_BUTTON(tcd->stop_button), image); |
218 | g_object_set(G_OBJECT(tcd->stop_button), "image", image, NULL); |
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219 | gtk_button_set_alignment(GTK_BUTTON(tcd->stop_button), 0.0, 0.0); |
220 | gtk_widget_show (tcd->stop_button); |
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221 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->stop_button,6,7,3,4,GTK_FILL,GTK_FILL,2,2); |
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222 | |
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223 | /* |
224 | * First half of the filter window |
225 | * - textual entry of filter expression |
226 | * - processing button |
227 | */ |
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228 | tcd->username_label = gtk_label_new("Username:"); |
229 | gtk_widget_show (tcd->username_label); |
230 | tcd->username_entry = gtk_entry_new(); |
231 | gtk_entry_set_text(GTK_ENTRY(tcd->username_entry),"root"); |
232 | gtk_widget_show (tcd->username_entry); |
233 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->username_label,0,2,0,1,GTK_FILL,GTK_FILL,2,2); |
234 | 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); |
235 | |
236 | |
237 | |
238 | tcd->password_label = gtk_label_new("Password:"); |
239 | gtk_widget_show (tcd->password_label); |
240 | tcd->password_entry = gtk_entry_new(); |
241 | gtk_entry_set_visibility(GTK_ENTRY(tcd->password_entry), FALSE); |
242 | gtk_widget_show (tcd->password_entry); |
243 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->password_label,0,2,1,2,GTK_FILL,GTK_FILL,2,2); |
244 | 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); |
245 | |
246 | |
247 | tcd->channel_dir_label = gtk_label_new("Channel directory:"); |
248 | gtk_widget_show (tcd->channel_dir_label); |
249 | tcd->channel_dir_entry = gtk_entry_new(); |
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250 | gtk_entry_set_text(GTK_ENTRY(tcd->channel_dir_entry),"/mnt/debugfs/ltt"); |
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251 | gtk_widget_show (tcd->channel_dir_entry); |
252 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->channel_dir_label,0,2,2,3,GTK_FILL,GTK_FILL,2,2); |
253 | 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); |
254 | |
255 | tcd->trace_dir_label = gtk_label_new("Trace directory:"); |
256 | gtk_widget_show (tcd->trace_dir_label); |
257 | tcd->trace_dir_entry = gtk_entry_new(); |
258 | gtk_entry_set_text(GTK_ENTRY(tcd->trace_dir_entry),"/tmp/trace1"); |
259 | gtk_widget_show (tcd->trace_dir_entry); |
260 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_dir_label,0,2,3,4,GTK_FILL,GTK_FILL,2,2); |
261 | 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); |
262 | |
263 | tcd->trace_name_label = gtk_label_new("Trace name:"); |
264 | gtk_widget_show (tcd->trace_name_label); |
265 | tcd->trace_name_entry = gtk_entry_new(); |
266 | gtk_entry_set_text(GTK_ENTRY(tcd->trace_name_entry),"trace"); |
267 | gtk_widget_show (tcd->trace_name_entry); |
268 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_name_label,0,2,4,5,GTK_FILL,GTK_FILL,2,2); |
269 | 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); |
270 | |
271 | tcd->trace_mode_label = gtk_label_new("Trace mode "); |
272 | gtk_widget_show (tcd->trace_mode_label); |
273 | tcd->trace_mode_combo = gtk_combo_box_new_text(); |
274 | gtk_combo_box_append_text(GTK_COMBO_BOX(tcd->trace_mode_combo), |
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275 | "normal"); |
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276 | gtk_combo_box_append_text(GTK_COMBO_BOX(tcd->trace_mode_combo), |
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277 | "flight recorder"); |
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278 | gtk_combo_box_set_active(GTK_COMBO_BOX(tcd->trace_mode_combo), 0); |
279 | gtk_widget_show (tcd->trace_mode_combo); |
280 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_mode_label,0,2,5,6,GTK_FILL,GTK_FILL,2,2); |
281 | 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); |
282 | |
283 | tcd->start_daemon_label = gtk_label_new("Start daemon "); |
284 | gtk_widget_show (tcd->start_daemon_label); |
285 | tcd->start_daemon_check = gtk_check_button_new(); |
286 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd->start_daemon_check), TRUE); |
287 | gtk_widget_show (tcd->start_daemon_check); |
288 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_daemon_label,0,2,6,7,GTK_FILL,GTK_FILL,2,2); |
289 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_daemon_check,2,6,6,7,GTK_FILL,GTK_FILL,0,0); |
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290 | |
291 | tcd->append_label = gtk_label_new("Append to trace "); |
292 | gtk_widget_show (tcd->append_label); |
293 | tcd->append_check = gtk_check_button_new(); |
294 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd->append_check), FALSE); |
295 | gtk_widget_show (tcd->append_check); |
296 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->append_label,0,2,7,8,GTK_FILL,GTK_FILL,2,2); |
297 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->append_check,2,6,7,8,GTK_FILL,GTK_FILL,0,0); |
298 | |
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299 | |
300 | tcd->optional_label = gtk_label_new("Optional fields "); |
301 | gtk_widget_show (tcd->optional_label); |
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302 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->optional_label,0,6,8,9,GTK_FILL,GTK_FILL,2,2); |
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303 | |
304 | tcd->subbuf_size_label = gtk_label_new("Subbuffer size:"); |
305 | gtk_widget_show (tcd->subbuf_size_label); |
306 | tcd->subbuf_size_entry = gtk_entry_new(); |
307 | gtk_widget_show (tcd->subbuf_size_entry); |
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308 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_size_label,0,2,9,10,GTK_FILL,GTK_FILL,2,2); |
309 | 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); |
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310 | |
311 | tcd->subbuf_num_label = gtk_label_new("Number of subbuffers:"); |
312 | gtk_widget_show (tcd->subbuf_num_label); |
313 | tcd->subbuf_num_entry = gtk_entry_new(); |
314 | gtk_widget_show (tcd->subbuf_num_entry); |
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315 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_num_label,0,2,10,11,GTK_FILL,GTK_FILL,2,2); |
316 | 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); |
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317 | |
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318 | tcd->lttd_threads_label = gtk_label_new("Number of lttd threads:"); |
319 | gtk_widget_show (tcd->lttd_threads_label); |
320 | tcd->lttd_threads_entry = gtk_entry_new(); |
321 | gtk_entry_set_text(GTK_ENTRY(tcd->lttd_threads_entry), "1"); |
322 | gtk_widget_show (tcd->lttd_threads_entry); |
323 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttd_threads_label,0,2,11,12,GTK_FILL,GTK_FILL,2,2); |
324 | 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); |
325 | |
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326 | tcd->lttctl_path_label = gtk_label_new("path to lttctl:"); |
327 | gtk_widget_show (tcd->lttctl_path_label); |
328 | tcd->lttctl_path_entry = gtk_entry_new(); |
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329 | gtk_entry_set_text(GTK_ENTRY(tcd->lttctl_path_entry),PACKAGE_BIN_DIR "/lttctl"); |
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330 | gtk_widget_show (tcd->lttctl_path_entry); |
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331 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttctl_path_label,0,2,12,13,GTK_FILL,GTK_FILL,2,2); |
332 | 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); |
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333 | |
334 | |
335 | tcd->lttd_path_label = gtk_label_new("path to lttd:"); |
336 | gtk_widget_show (tcd->lttd_path_label); |
337 | tcd->lttd_path_entry = gtk_entry_new(); |
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338 | gtk_entry_set_text(GTK_ENTRY(tcd->lttd_path_entry),PACKAGE_BIN_DIR "/lttd"); |
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339 | gtk_widget_show (tcd->lttd_path_entry); |
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340 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttd_path_label,0,2,13,14,GTK_FILL,GTK_FILL,2,2); |
341 | 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); |
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342 | |
343 | |
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344 | focus_chain = g_list_append (focus_chain, tcd->username_entry); |
345 | focus_chain = g_list_append (focus_chain, tcd->password_entry); |
346 | focus_chain = g_list_append (focus_chain, tcd->start_button); |
347 | focus_chain = g_list_append (focus_chain, tcd->pause_button); |
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348 | focus_chain = g_list_append (focus_chain, tcd->unpause_button); |
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349 | focus_chain = g_list_append (focus_chain, tcd->stop_button); |
350 | focus_chain = g_list_append (focus_chain, tcd->channel_dir_entry); |
351 | focus_chain = g_list_append (focus_chain, tcd->trace_dir_entry); |
352 | focus_chain = g_list_append (focus_chain, tcd->trace_name_entry); |
353 | focus_chain = g_list_append (focus_chain, tcd->trace_mode_combo); |
354 | focus_chain = g_list_append (focus_chain, tcd->start_daemon_check); |
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355 | focus_chain = g_list_append (focus_chain, tcd->append_check); |
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356 | focus_chain = g_list_append (focus_chain, tcd->subbuf_size_entry); |
357 | focus_chain = g_list_append (focus_chain, tcd->subbuf_num_entry); |
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358 | focus_chain = g_list_append (focus_chain, tcd->lttd_threads_entry); |
ff430216 |
359 | focus_chain = g_list_append (focus_chain, tcd->lttctl_path_entry); |
360 | focus_chain = g_list_append (focus_chain, tcd->lttd_path_entry); |
ff430216 |
361 | |
362 | gtk_container_set_focus_chain(GTK_CONTAINER(tcd->main_box), focus_chain); |
363 | |
382e4b92 |
364 | g_list_free(focus_chain); |
365 | |
77ef407f |
366 | g_signal_connect(G_OBJECT(tcd->start_button), "clicked", |
367 | (GCallback)start_clicked, tcd); |
368 | g_signal_connect(G_OBJECT(tcd->pause_button), "clicked", |
369 | (GCallback)pause_clicked, tcd); |
45653836 |
370 | g_signal_connect(G_OBJECT(tcd->unpause_button), "clicked", |
371 | (GCallback)unpause_clicked, tcd); |
77ef407f |
372 | g_signal_connect(G_OBJECT(tcd->stop_button), "clicked", |
373 | (GCallback)stop_clicked, tcd); |
e7c8534e |
374 | |
375 | /* |
376 | * show main container |
377 | */ |
77ef407f |
378 | gtk_widget_show(tcd->main_box); |
379 | gtk_widget_show(tcd->window); |
e7c8534e |
380 | |
381 | |
382 | g_object_set_data_full( |
77ef407f |
383 | G_OBJECT(guicontrol_get_widget(tcd)), |
384 | "control_viewer_data", |
e7c8534e |
385 | tcd, |
386 | (GDestroyNotify)gui_control_destructor); |
387 | |
388 | g_control_list = g_slist_append( |
389 | g_control_list, |
390 | tcd); |
391 | |
392 | return tcd; |
393 | } |
394 | |
395 | |
396 | /** |
397 | * @fn void gui_control_destructor(ControlData*) |
398 | * |
399 | * Destructor for the filter gui module |
400 | * @param tcd The module structure |
401 | */ |
402 | void |
403 | gui_control_destructor(ControlData *tcd) |
404 | { |
405 | Tab *tab = tcd->tab; |
406 | |
407 | /* May already been done by GTK window closing */ |
77ef407f |
408 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))){ |
e7c8534e |
409 | g_info("widget still exists"); |
410 | } |
411 | // if(tab != NULL) { |
412 | // lttvwindow_unregister_traceset_notify(tcd->tab, |
413 | // filter_traceset_changed, |
414 | // filter_viewer_data); |
415 | // } |
416 | lttvwindowtraces_background_notify_remove(tcd); |
417 | |
418 | g_control_list = g_slist_remove(g_control_list, tcd); |
419 | |
420 | g_free(tcd); |
421 | } |
422 | |
29e34d6c |
423 | static int execute_command(const gchar *command, const gchar *username, |
6bf6bb68 |
424 | const gchar *password, const gchar *lttd_path) |
77ef407f |
425 | { |
ff430216 |
426 | pid_t pid; |
427 | int fdpty; |
428 | pid = forkpty(&fdpty, NULL, NULL, NULL); |
29e34d6c |
429 | int retval = 0; |
77ef407f |
430 | |
431 | if(pid > 0) { |
432 | /* parent */ |
ff430216 |
433 | gchar buf[256]; |
434 | int status; |
435 | ssize_t count; |
436 | /* discuss with su */ |
437 | struct timeval timeout; |
438 | timeout.tv_sec = 1; |
439 | timeout.tv_usec = 0; |
ff430216 |
440 | |
86a65fdb |
441 | struct pollfd pollfd; |
442 | int num_rdy; |
443 | int num_hup = 0; |
b57800a3 |
444 | enum read_state { GET_LINE, GET_SEMI, GET_SPACE } read_state = GET_LINE; |
86a65fdb |
445 | |
b57800a3 |
446 | retval = fcntl(fdpty, F_SETFL, O_WRONLY); |
447 | if(retval == -1) { |
448 | perror("Error in fcntl"); |
449 | goto wait_child; |
450 | } |
86a65fdb |
451 | |
452 | /* Read the output from the child terminal before the prompt. If no data in |
453 | * 200 ms, we stop reading to give the password */ |
454 | g_info("Reading from child console..."); |
455 | while(1) { |
456 | pollfd.fd = fdpty; |
75e2f396 |
457 | pollfd.events = POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL; |
86a65fdb |
458 | |
b57800a3 |
459 | num_rdy = poll(&pollfd, 1, -1); |
86a65fdb |
460 | if(num_rdy == -1) { |
461 | perror("Poll error"); |
462 | goto wait_child; |
463 | } |
86a65fdb |
464 | |
b57800a3 |
465 | /* Timeout : Stop waiting for chars */ |
466 | if(num_rdy == 0) goto wait_child; |
86a65fdb |
467 | |
468 | switch(pollfd.revents) { |
469 | case POLLERR: |
470 | g_warning("Error returned in polling fd\n"); |
471 | num_hup++; |
472 | break; |
473 | case POLLHUP: |
474 | g_info("Polling FD : hung up."); |
475 | num_hup++; |
476 | break; |
477 | case POLLNVAL: |
478 | g_warning("Polling fd tells it is not open"); |
479 | num_hup++; |
480 | break; |
481 | case POLLPRI: |
482 | case POLLIN: |
483 | count = read (fdpty, buf, 256); |
484 | if(count > 0) { |
b57800a3 |
485 | unsigned int i; |
86a65fdb |
486 | buf[count] = '\0'; |
b57800a3 |
487 | g_printf("%s", buf); |
488 | for(i=0; i<count; i++) { |
489 | switch(read_state) { |
490 | case GET_LINE: |
491 | if(buf[i] == '\n') { |
492 | read_state = GET_SEMI; |
493 | g_debug("Tracecontrol input line skip\n"); |
494 | } |
495 | break; |
496 | case GET_SEMI: |
497 | if(buf[i] == ':') { |
498 | g_debug("Tracecontrol input : marker found\n"); |
499 | read_state = GET_SPACE; |
500 | } |
501 | break; |
502 | case GET_SPACE: |
503 | if(buf[i] == ' ') { |
504 | g_debug("Tracecontrol input space marker found\n"); |
505 | goto write_password; |
506 | } |
507 | break; |
508 | } |
509 | } |
86a65fdb |
510 | } else if(count == -1) { |
511 | perror("Error in read"); |
512 | goto wait_child; |
513 | } |
514 | break; |
515 | } |
516 | if(num_hup > 0) { |
517 | g_warning("Child hung up too fast"); |
518 | goto wait_child; |
519 | } |
520 | } |
b57800a3 |
521 | write_password: |
522 | fsync(fdpty); |
523 | pollfd.fd = fdpty; |
524 | pollfd.events = POLLOUT|POLLERR|POLLHUP|POLLNVAL; |
525 | |
526 | num_rdy = poll(&pollfd, 1, -1); |
527 | if(num_rdy == -1) { |
528 | perror("Poll error"); |
529 | goto wait_child; |
530 | } |
531 | |
86a65fdb |
532 | /* Write the password */ |
ff430216 |
533 | g_info("Got su prompt, now writing password..."); |
ff430216 |
534 | int ret; |
b57800a3 |
535 | sleep(1); |
ff430216 |
536 | ret = write(fdpty, password, strlen(password)); |
537 | if(ret < 0) perror("Error in write"); |
538 | ret = write(fdpty, "\n", 1); |
539 | if(ret < 0) perror("Error in write"); |
540 | fsync(fdpty); |
86a65fdb |
541 | /* Take the output from the terminal and show it on the real console */ |
542 | g_info("Getting data from child terminal..."); |
543 | while(1) { |
544 | int num_hup = 0; |
545 | pollfd.fd = fdpty; |
75e2f396 |
546 | pollfd.events = POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL; |
86a65fdb |
547 | |
548 | num_rdy = poll(&pollfd, 1, -1); |
86a65fdb |
549 | if(num_rdy == -1) { |
550 | perror("Poll error"); |
551 | goto wait_child; |
552 | } |
86a65fdb |
553 | if(num_rdy == 0) break; |
b57800a3 |
554 | |
555 | if(pollfd.revents & (POLLERR|POLLNVAL)) { |
556 | g_warning("Error returned in polling fd\n"); |
557 | num_hup++; |
558 | } |
559 | |
560 | if(pollfd.revents & (POLLIN|POLLPRI) ) { |
561 | count = read (fdpty, buf, 256); |
562 | if(count > 0) { |
563 | buf[count] = '\0'; |
564 | printf("%s", buf); |
565 | } else if(count == -1) { |
566 | perror("Error in read"); |
567 | goto wait_child; |
568 | } |
569 | } |
570 | |
571 | if(pollfd.revents & POLLHUP) { |
572 | g_info("Polling FD : hung up."); |
573 | num_hup++; |
574 | } |
86a65fdb |
575 | |
86a65fdb |
576 | if(num_hup > 0) goto wait_child; |
577 | } |
578 | wait_child: |
579 | g_info("Waiting for child exit..."); |
580 | |
581 | ret = waitpid(pid, &status, 0); |
6cec4cd2 |
582 | |
583 | if(ret == -1) { |
584 | g_warning("An error occured in wait : %s", |
585 | strerror(errno)); |
586 | } else { |
587 | if(WIFEXITED(status)) |
588 | if(WEXITSTATUS(status) != 0) { |
589 | retval = WEXITSTATUS(status); |
590 | g_warning("An error occured in the su command : %s", |
591 | strerror(retval)); |
592 | } |
593 | } |
77ef407f |
594 | |
86a65fdb |
595 | g_info("Child exited."); |
77ef407f |
596 | |
597 | } else if(pid == 0) { |
f6f6abf0 |
598 | /* Setup environment variables */ |
77ef407f |
599 | if(strcmp(lttd_path, "") != 0) |
600 | setenv("LTT_DAEMON", lttd_path, 1); |
f6f6abf0 |
601 | |
b57800a3 |
602 | /* One comment line (must be only one) */ |
603 | g_printf("Executing (as %s) : %s\n", username, command); |
ff430216 |
604 | |
45653836 |
605 | execlp("su", "su", "-p", "-c", command, username, NULL); |
606 | exit(-1); /* not supposed to happen! */ |
607 | |
608 | //gint ret = execvp(); |
609 | |
610 | } else { |
611 | /* error */ |
612 | g_warning("Error happened when forking for su"); |
613 | } |
86a65fdb |
614 | |
29e34d6c |
615 | return retval; |
45653836 |
616 | } |
86a65fdb |
617 | |
86a65fdb |
618 | |
45653836 |
619 | /* Callbacks */ |
f6f6abf0 |
620 | |
45653836 |
621 | void start_clicked (GtkButton *button, gpointer user_data) |
622 | { |
623 | ControlData *tcd = (ControlData*)user_data; |
f6f6abf0 |
624 | |
45653836 |
625 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
626 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
627 | const gchar *channel_dir = |
628 | gtk_entry_get_text(GTK_ENTRY(tcd->channel_dir_entry)); |
629 | const gchar *trace_dir = gtk_entry_get_text(GTK_ENTRY(tcd->trace_dir_entry)); |
630 | const gchar *trace_name = |
631 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
632 | |
382e4b92 |
633 | const gchar *trace_mode_sel; |
634 | GtkTreeIter iter; |
635 | |
636 | gtk_combo_box_get_active_iter(GTK_COMBO_BOX(tcd->trace_mode_combo), &iter); |
637 | gtk_tree_model_get( |
638 | gtk_combo_box_get_model(GTK_COMBO_BOX(tcd->trace_mode_combo)), |
639 | &iter, 0, &trace_mode_sel, -1); |
640 | //const gchar *trace_mode_sel = |
641 | //2.6+ gtk_combo_box_get_active_text(GTK_COMBO_BOX(tcd->trace_mode_combo)); |
45653836 |
642 | const gchar *trace_mode; |
643 | if(strcmp(trace_mode_sel, "normal") == 0) |
644 | trace_mode = "normal"; |
645 | else |
646 | trace_mode = "flight"; |
647 | |
648 | gboolean start_daemon = |
649 | gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd->start_daemon_check)); |
f6f6abf0 |
650 | |
45653836 |
651 | gboolean append = |
652 | gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd->append_check)); |
653 | |
654 | const gchar *subbuf_size = |
655 | gtk_entry_get_text(GTK_ENTRY(tcd->subbuf_size_entry)); |
656 | const gchar *subbuf_num = |
657 | gtk_entry_get_text(GTK_ENTRY(tcd->subbuf_num_entry)); |
e6542e85 |
658 | const gchar *threads_num = |
659 | gtk_entry_get_text(GTK_ENTRY(tcd->lttd_threads_entry)); |
45653836 |
660 | const gchar *lttctl_path = |
661 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
662 | const gchar *lttd_path = gtk_entry_get_text(GTK_ENTRY(tcd->lttd_path_entry)); |
45653836 |
663 | |
664 | /* Setup arguments to su */ |
665 | /* child */ |
666 | gchar args[MAX_ARGS_LEN]; |
667 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
668 | |
669 | args[0] = '\0'; |
670 | |
671 | /* Command */ |
672 | strncat(args, "exec", args_left); |
673 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
674 | |
675 | /* space */ |
676 | strncat(args, " ", args_left); |
677 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
678 | |
679 | if(strcmp(lttctl_path, "") == 0) |
680 | strncat(args, "lttctl", args_left); |
681 | else |
682 | strncat(args, lttctl_path, args_left); |
683 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
684 | |
685 | /* space */ |
686 | strncat(args, " ", args_left); |
687 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
688 | |
e908999c |
689 | /* Start daemon ? */ |
690 | if(start_daemon) { |
691 | strncat(args, "-C", args_left); |
692 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
693 | } else { |
694 | /* Simply create the channel and then start tracing */ |
695 | //strncat(args, "-b", args_left); |
696 | //args_left = MAX_ARGS_LEN - strlen(args) - 1; |
697 | } |
45653836 |
698 | |
699 | /* space */ |
700 | strncat(args, " ", args_left); |
701 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
702 | |
e908999c |
703 | /* channel dir */ |
704 | strncat(args, "--channel_root ", args_left); |
45653836 |
705 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
706 | strncat(args, channel_dir, args_left); |
45653836 |
707 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
708 | |
709 | /* space */ |
710 | strncat(args, " ", args_left); |
711 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
712 | |
e908999c |
713 | /* trace dir */ |
714 | strncat(args, "-w ", args_left); |
45653836 |
715 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
716 | strncat(args, trace_dir, args_left); |
45653836 |
717 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
718 | |
719 | /* space */ |
720 | strncat(args, " ", args_left); |
721 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
722 | |
e908999c |
723 | if(strcmp(trace_mode, "flight") == 0) { |
724 | strncat(args, "-o channel.all.overwrite=1", args_left); |
f6f6abf0 |
725 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
45653836 |
726 | } else { |
e908999c |
727 | strncat(args, "-o channel.all.overwrite=0", args_left); |
f6f6abf0 |
728 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
45653836 |
729 | } |
730 | |
45653836 |
731 | /* Append to trace ? */ |
732 | if(append) { |
f6f6abf0 |
733 | /* space */ |
734 | strncat(args, " ", args_left); |
735 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
45653836 |
736 | strncat(args, "-a", args_left); |
f6f6abf0 |
737 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
45653836 |
738 | } |
739 | |
740 | /* optional arguments */ |
741 | /* subbuffer size */ |
742 | if(strcmp(subbuf_size, "") != 0) { |
f6f6abf0 |
743 | /* space */ |
744 | strncat(args, " ", args_left); |
745 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
746 | |
e908999c |
747 | strncat(args, "-o channel.all.bufsize=", args_left); |
f6f6abf0 |
748 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
45653836 |
749 | strncat(args, subbuf_size, args_left); |
f6f6abf0 |
750 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
45653836 |
751 | } |
f6f6abf0 |
752 | |
45653836 |
753 | /* number of subbuffers */ |
754 | if(strcmp(subbuf_num, "") != 0) { |
f6f6abf0 |
755 | /* space */ |
756 | strncat(args, " ", args_left); |
757 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
758 | |
e908999c |
759 | strncat(args, "-o channel.all.bufnum=", args_left); |
45653836 |
760 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
761 | strncat(args, subbuf_num, args_left); |
762 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
763 | } |
ff430216 |
764 | |
e6542e85 |
765 | /* number of lttd threads */ |
766 | if(strcmp(threads_num, "") != 0) { |
767 | /* space */ |
768 | strncat(args, " ", args_left); |
769 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
770 | |
e908999c |
771 | strncat(args, "-n ", args_left); |
e6542e85 |
772 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
773 | strncat(args, threads_num, args_left); |
774 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
775 | } |
776 | |
e908999c |
777 | /* space */ |
778 | strncat(args, " ", args_left); |
779 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
77ef407f |
780 | |
e908999c |
781 | /* name */ |
782 | strncat(args, trace_name, args_left); |
783 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
784 | |
6bf6bb68 |
785 | int retval = execute_command(args, username, password, lttd_path); |
29e34d6c |
786 | |
787 | if(retval) { |
788 | gchar msg[256]; |
789 | guint msg_left = 256; |
790 | |
791 | strcpy(msg, "A problem occured when executing the su command : "); |
792 | msg_left = 256 - strlen(msg) - 1; |
793 | strncat(msg, strerror(retval), msg_left); |
794 | GtkWidget *dialogue = |
795 | gtk_message_dialog_new( |
796 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
797 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
798 | GTK_MESSAGE_ERROR, |
799 | GTK_BUTTONS_OK, |
800 | msg); |
801 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
802 | gtk_widget_destroy(dialogue); |
803 | } |
77ef407f |
804 | |
805 | } |
806 | |
807 | |
808 | void pause_clicked (GtkButton *button, gpointer user_data) |
809 | { |
810 | ControlData *tcd = (ControlData*)user_data; |
811 | |
45653836 |
812 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
813 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
814 | const gchar *trace_name = |
815 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
816 | const gchar *lttd_path = ""; |
45653836 |
817 | |
818 | const gchar *lttctl_path = |
819 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
77ef407f |
820 | |
45653836 |
821 | /* Setup arguments to su */ |
822 | /* child */ |
823 | gchar args[MAX_ARGS_LEN]; |
824 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
825 | |
826 | args[0] = '\0'; |
827 | |
828 | /* Command */ |
829 | strncat(args, "exec", args_left); |
830 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
831 | |
832 | /* space */ |
833 | strncat(args, " ", args_left); |
834 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
835 | |
836 | if(strcmp(lttctl_path, "") == 0) |
837 | strncat(args, "lttctl", args_left); |
838 | else |
839 | strncat(args, lttctl_path, args_left); |
840 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
841 | |
e908999c |
842 | /* space */ |
45653836 |
843 | strncat(args, " ", args_left); |
844 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
845 | |
846 | /* Simply pause tracing */ |
847 | strncat(args, "-p", args_left); |
45653836 |
848 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
849 | |
850 | /* space */ |
851 | strncat(args, " ", args_left); |
852 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
853 | |
854 | /* name */ |
855 | strncat(args, trace_name, args_left); |
45653836 |
856 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
857 | |
6bf6bb68 |
858 | int retval = execute_command(args, username, password, lttd_path); |
29e34d6c |
859 | if(retval) { |
860 | gchar msg[256]; |
861 | guint msg_left = 256; |
862 | |
863 | strcpy(msg, "A problem occured when executing the su command : "); |
864 | msg_left = 256 - strlen(msg) - 1; |
865 | strncat(msg, strerror(retval), msg_left); |
866 | GtkWidget *dialogue = |
867 | gtk_message_dialog_new( |
868 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
869 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
870 | GTK_MESSAGE_ERROR, |
871 | GTK_BUTTONS_OK, |
872 | msg); |
873 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
874 | gtk_widget_destroy(dialogue); |
875 | } |
876 | |
45653836 |
877 | } |
878 | |
879 | void unpause_clicked (GtkButton *button, gpointer user_data) |
880 | { |
881 | ControlData *tcd = (ControlData*)user_data; |
882 | |
883 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
884 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
885 | const gchar *trace_name = |
886 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
887 | const gchar *lttd_path = ""; |
45653836 |
888 | |
889 | const gchar *lttctl_path = |
890 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
891 | |
892 | /* Setup arguments to su */ |
893 | /* child */ |
894 | gchar args[MAX_ARGS_LEN]; |
895 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
896 | |
897 | args[0] = '\0'; |
898 | |
899 | /* Command */ |
900 | strncat(args, "exec", args_left); |
901 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
902 | |
903 | /* space */ |
904 | strncat(args, " ", args_left); |
905 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
906 | |
907 | if(strcmp(lttctl_path, "") == 0) |
908 | strncat(args, "lttctl", args_left); |
909 | else |
910 | strncat(args, lttctl_path, args_left); |
911 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
912 | |
913 | /* space */ |
914 | strncat(args, " ", args_left); |
915 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
916 | |
917 | /* Simply unpause tracing */ |
918 | strncat(args, "-s", args_left); |
45653836 |
919 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
920 | |
921 | /* space */ |
922 | strncat(args, " ", args_left); |
923 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
924 | |
925 | /* name */ |
926 | strncat(args, trace_name, args_left); |
45653836 |
927 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
928 | |
6bf6bb68 |
929 | int retval = execute_command(args, username, password, lttd_path); |
29e34d6c |
930 | if(retval) { |
931 | gchar msg[256]; |
932 | guint msg_left = 256; |
933 | |
934 | strcpy(msg, "A problem occured when executing the su command : "); |
935 | msg_left = 256 - strlen(msg) - 1; |
936 | strncat(msg, strerror(retval), msg_left); |
937 | GtkWidget *dialogue = |
938 | gtk_message_dialog_new( |
939 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
940 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
941 | GTK_MESSAGE_ERROR, |
942 | GTK_BUTTONS_OK, |
943 | msg); |
944 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
945 | gtk_widget_destroy(dialogue); |
946 | } |
947 | |
77ef407f |
948 | } |
949 | |
950 | void stop_clicked (GtkButton *button, gpointer user_data) |
951 | { |
952 | ControlData *tcd = (ControlData*)user_data; |
953 | |
45653836 |
954 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
955 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
956 | const gchar *trace_name = |
957 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
958 | const gchar *lttd_path = ""; |
af22ae88 |
959 | const gchar *trace_mode; |
960 | const gchar *trace_mode_sel; |
961 | GtkTreeIter iter; |
45653836 |
962 | |
af22ae88 |
963 | gtk_combo_box_get_active_iter(GTK_COMBO_BOX(tcd->trace_mode_combo), &iter); |
964 | gtk_tree_model_get( |
965 | gtk_combo_box_get_model(GTK_COMBO_BOX(tcd->trace_mode_combo)), |
966 | &iter, 0, &trace_mode_sel, -1); |
967 | if(strcmp(trace_mode_sel, "normal") == 0) |
968 | trace_mode = "normal"; |
969 | else |
970 | trace_mode = "flight"; |
971 | |
45653836 |
972 | const gchar *lttctl_path = |
973 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
b154e818 |
974 | gchar *trace_dir = gtk_entry_get_text(GTK_ENTRY(tcd->trace_dir_entry)); |
975 | GSList * trace_list = NULL; |
976 | |
977 | trace_list = g_slist_append(trace_list, trace_dir); |
45653836 |
978 | |
979 | /* Setup arguments to su */ |
980 | /* child */ |
981 | gchar args[MAX_ARGS_LEN]; |
982 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
983 | |
984 | args[0] = '\0'; |
985 | |
986 | /* Command */ |
987 | strncat(args, "exec", args_left); |
988 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
989 | |
990 | /* space */ |
991 | strncat(args, " ", args_left); |
992 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
993 | |
994 | if(strcmp(lttctl_path, "") == 0) |
995 | strncat(args, "lttctl", args_left); |
996 | else |
997 | strncat(args, lttctl_path, args_left); |
998 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
999 | |
1000 | /* space */ |
1001 | strncat(args, " ", args_left); |
1002 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
1003 | |
1004 | /* Simply stop tracing and destroy channel */ |
1005 | strncat(args, "-D", args_left); |
45653836 |
1006 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
1007 | |
e908999c |
1008 | if(strcmp(trace_mode, "flight") == 0) { |
1009 | /* space */ |
1010 | strncat(args, " ", args_left); |
1011 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
1012 | |
1013 | /* trace dir */ |
1014 | strncat(args, "-w ", args_left); |
1015 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
1016 | strncat(args, trace_dir, args_left); |
1017 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
1018 | } |
1019 | |
45653836 |
1020 | /* space */ |
1021 | strncat(args, " ", args_left); |
1022 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
e908999c |
1023 | |
1024 | /* name */ |
1025 | strncat(args, trace_name, args_left); |
45653836 |
1026 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
1027 | |
6bf6bb68 |
1028 | int retval = execute_command(args, username, password, lttd_path); |
29e34d6c |
1029 | if(retval) { |
1030 | gchar msg[256]; |
1031 | guint msg_left = 256; |
1032 | |
1033 | strcpy(msg, "A problem occured when executing the su command : "); |
1034 | msg_left = 256 - strlen(msg) - 1; |
1035 | strncat(msg, strerror(retval), msg_left); |
1036 | GtkWidget *dialogue = |
1037 | gtk_message_dialog_new( |
1038 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
1039 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
1040 | GTK_MESSAGE_ERROR, |
1041 | GTK_BUTTONS_OK, |
1042 | msg); |
1043 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
1044 | gtk_widget_destroy(dialogue); |
1045 | return; |
1046 | } |
1047 | |
77ef407f |
1048 | |
8321ae6a |
1049 | /* Ask to the user if he wants to open the trace in a new window */ |
1050 | GtkWidget *dialogue; |
1051 | GtkWidget *label; |
1052 | gint id; |
1053 | |
1054 | dialogue = gtk_dialog_new_with_buttons("Open trace ?", |
1055 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
1056 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, |
1057 | GTK_STOCK_YES,GTK_RESPONSE_ACCEPT, |
1058 | GTK_STOCK_NO,GTK_RESPONSE_REJECT, |
1059 | NULL); |
1060 | label = gtk_label_new("Do you want to open the trace in LTTV ?"); |
1061 | gtk_widget_show(label); |
1062 | |
1063 | gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialogue)->vbox), |
1064 | label); |
1065 | |
1066 | id = gtk_dialog_run(GTK_DIALOG(dialogue)); |
1067 | |
1068 | switch(id){ |
1069 | case GTK_RESPONSE_ACCEPT: |
1070 | { |
b154e818 |
1071 | create_main_window_with_trace_list(trace_list); |
8321ae6a |
1072 | } |
1073 | break; |
1074 | case GTK_RESPONSE_REJECT: |
1075 | default: |
1076 | break; |
1077 | } |
1078 | gtk_widget_destroy(dialogue); |
b154e818 |
1079 | g_slist_free(trace_list); |
77ef407f |
1080 | } |
1081 | |
e7c8534e |
1082 | |
1083 | /** |
1084 | * @fn GtkWidget* h_guicontrol(Tab*) |
1085 | * |
1086 | * Control Module's constructor hook |
1087 | * |
1088 | * This constructor is given as a parameter to the menuitem and toolbar button |
1089 | * registration. It creates the list. |
1090 | * @param tab A pointer to the parent window. |
1091 | * @return The widget created. |
1092 | */ |
1093 | GtkWidget * |
b154e818 |
1094 | h_guicontrol(LttvPlugin *plugin) |
e7c8534e |
1095 | { |
b154e818 |
1096 | LttvPluginTab *ptab = LTTV_PLUGIN_TAB(plugin); |
1097 | ControlData* f = gui_control(ptab); |
e7c8534e |
1098 | |
1099 | return NULL; |
1100 | } |
1101 | |
1102 | /** |
1103 | * @fn static void init() |
1104 | * |
1105 | * This function initializes the Filter Viewer functionnality through the |
1106 | * gtkTraceSet API. |
1107 | */ |
1108 | static void init() { |
1109 | |
1110 | lttvwindow_register_constructor("guicontrol", |
1111 | "/", |
1112 | "Insert Tracing Control Module", |
1113 | hTraceControlInsert_xpm, |
1114 | "Insert Tracing Control Module", |
1115 | h_guicontrol); |
1116 | } |
1117 | |
1118 | /** |
1119 | * @fn void control_destroy_walk(gpointer,gpointer) |
1120 | * |
1121 | * Initiate the destruction of the current gui module |
1122 | * on the GTK Interface |
1123 | */ |
1124 | void |
1125 | control_destroy_walk(gpointer data, gpointer user_data) |
1126 | { |
1127 | ControlData *tcd = (ControlData*)data; |
1128 | |
1129 | g_debug("traceontrol.c : control_destroy_walk, %p", tcd); |
1130 | |
1131 | /* May already have been done by GTK window closing */ |
1132 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))) |
1133 | gtk_widget_destroy(guicontrol_get_widget(tcd)); |
1134 | } |
1135 | |
1136 | /** |
1137 | * @fn static void destroy() |
1138 | * @brief plugin's destroy function |
1139 | * |
1140 | * This function releases the memory reserved by the module and unregisters |
1141 | * everything that has been registered in the gtkTraceSet API. |
1142 | */ |
1143 | static void destroy() { |
1144 | |
1145 | g_slist_foreach(g_control_list, control_destroy_walk, NULL ); |
1146 | |
1147 | lttvwindow_unregister_constructor(h_guicontrol); |
1148 | |
1149 | } |
1150 | |
1151 | |
1152 | LTTV_MODULE("guitracecontrol", "Trace Control Window", \ |
1153 | "Graphical module that let user control kernel tracing", \ |
1154 | init, destroy, "lttvwindow") |
1155 | |