| 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> |
| 32 | |
| 33 | #include <lttvwindow/lttvwindow.h> |
| 34 | #include <lttvwindow/lttvwindowtraces.h> |
| 35 | |
| 36 | #include "hTraceControlInsert.xpm" |
| 37 | #include "TraceControlStart.xpm" |
| 38 | #include "TraceControlPause.xpm" |
| 39 | #include "TraceControlStop.xpm" |
| 40 | |
| 41 | #include <sys/types.h> |
| 42 | #include <unistd.h> |
| 43 | #include <stdlib.h> |
| 44 | #include <pty.h> |
| 45 | #include <utmp.h> |
| 46 | #include <sys/wait.h> |
| 47 | #include <sys/poll.h> |
| 48 | #include <errno.h> |
| 49 | |
| 50 | #define MAX_ARGS_LEN PATH_MAX * 10 |
| 51 | |
| 52 | GSList *g_control_list = NULL ; |
| 53 | |
| 54 | /*! \file lttv/modules/gui/tracecontrol/tracecontrol.c |
| 55 | * \brief Graphic trace start/stop control interface. |
| 56 | * |
| 57 | * This plugin interacts with lttctl to start/stop tracing. It needs to take the |
| 58 | * root password to be able to interact with lttctl. |
| 59 | * |
| 60 | */ |
| 61 | |
| 62 | typedef struct _ControlData ControlData; |
| 63 | |
| 64 | /* |
| 65 | * Prototypes |
| 66 | */ |
| 67 | GtkWidget *guicontrol_get_widget(ControlData *tcd); |
| 68 | ControlData *gui_control(Tab *tab); |
| 69 | void gui_control_destructor(ControlData *tcd); |
| 70 | GtkWidget* h_guicontrol(Tab *tab); |
| 71 | void control_destroy_walk(gpointer data, gpointer user_data); |
| 72 | |
| 73 | /* |
| 74 | * Callback functions |
| 75 | */ |
| 76 | |
| 77 | static void start_clicked (GtkButton *button, gpointer user_data); |
| 78 | static void pause_clicked (GtkButton *button, gpointer user_data); |
| 79 | static void unpause_clicked (GtkButton *button, gpointer user_data); |
| 80 | static void stop_clicked (GtkButton *button, gpointer user_data); |
| 81 | |
| 82 | |
| 83 | /** |
| 84 | * @struct _ControlData |
| 85 | * |
| 86 | * @brief Main structure of gui control |
| 87 | */ |
| 88 | struct _ControlData { |
| 89 | Tab *tab; /**< current tab of module */ |
| 90 | |
| 91 | GtkWidget *window; /**< window */ |
| 92 | |
| 93 | GtkWidget *main_box; /**< main container */ |
| 94 | GtkWidget *start_button; |
| 95 | GtkWidget *pause_button; |
| 96 | GtkWidget *unpause_button; |
| 97 | GtkWidget *stop_button; |
| 98 | GtkWidget *username_label; |
| 99 | GtkWidget *username_entry; |
| 100 | GtkWidget *password_label; |
| 101 | GtkWidget *password_entry; |
| 102 | GtkWidget *channel_dir_label; |
| 103 | GtkWidget *channel_dir_entry; |
| 104 | GtkWidget *trace_dir_label; |
| 105 | GtkWidget *trace_dir_entry; |
| 106 | GtkWidget *trace_name_label; |
| 107 | GtkWidget *trace_name_entry; |
| 108 | GtkWidget *trace_mode_label; |
| 109 | GtkWidget *trace_mode_combo; |
| 110 | GtkWidget *start_daemon_label; |
| 111 | GtkWidget *start_daemon_check; |
| 112 | GtkWidget *append_label; |
| 113 | GtkWidget *append_check; |
| 114 | GtkWidget *optional_label; |
| 115 | GtkWidget *subbuf_size_label; |
| 116 | GtkWidget *subbuf_size_entry; |
| 117 | GtkWidget *subbuf_num_label; |
| 118 | GtkWidget *subbuf_num_entry; |
| 119 | GtkWidget *lttctl_path_label; |
| 120 | GtkWidget *lttctl_path_entry; |
| 121 | GtkWidget *lttd_path_label; |
| 122 | GtkWidget *lttd_path_entry; |
| 123 | GtkWidget *fac_path_label; |
| 124 | GtkWidget *fac_path_entry; |
| 125 | }; |
| 126 | |
| 127 | /** |
| 128 | * @fn GtkWidget* guicontrol_get_widget(ControlData*) |
| 129 | * |
| 130 | * This function returns the current main widget |
| 131 | * used by this module |
| 132 | * @param tcd the module struct |
| 133 | * @return The main widget |
| 134 | */ |
| 135 | GtkWidget* |
| 136 | guicontrol_get_widget(ControlData *tcd) |
| 137 | { |
| 138 | return tcd->window; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * @fn ControlData* gui_control(Tab*) |
| 143 | * |
| 144 | * Constructor is used to create ControlData data structure. |
| 145 | * @param tab The tab structure used by the widget |
| 146 | * @return The Filter viewer data created. |
| 147 | */ |
| 148 | ControlData* |
| 149 | gui_control(Tab *tab) |
| 150 | { |
| 151 | g_debug("filter::gui_control()"); |
| 152 | |
| 153 | unsigned i; |
| 154 | GtkCellRenderer *renderer; |
| 155 | GtkTreeViewColumn *column; |
| 156 | |
| 157 | ControlData* tcd = g_new(ControlData,1); |
| 158 | |
| 159 | tcd->tab = tab; |
| 160 | |
| 161 | tcd->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 162 | gtk_window_set_title(GTK_WINDOW(tcd->window), "LTTng Trace Control"); |
| 163 | /* |
| 164 | * Initiating GtkTable layout |
| 165 | * starts with 2 rows and 5 columns and |
| 166 | * expands when expressions added |
| 167 | */ |
| 168 | tcd->main_box = gtk_table_new(14,7,FALSE); |
| 169 | gtk_table_set_row_spacings(GTK_TABLE(tcd->main_box),5); |
| 170 | gtk_table_set_col_spacings(GTK_TABLE(tcd->main_box),5); |
| 171 | |
| 172 | gtk_container_add(GTK_CONTAINER(tcd->window), GTK_WIDGET(tcd->main_box)); |
| 173 | |
| 174 | GList *focus_chain = NULL; |
| 175 | |
| 176 | /* |
| 177 | * start/pause/stop buttons |
| 178 | */ |
| 179 | GdkPixbuf *pixbuf; |
| 180 | GtkWidget *image; |
| 181 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStart_xpm); |
| 182 | image = gtk_image_new_from_pixbuf(pixbuf); |
| 183 | tcd->start_button = gtk_button_new_with_label("start"); |
| 184 | gtk_button_set_image(GTK_BUTTON(tcd->start_button), image); |
| 185 | gtk_button_set_alignment(GTK_BUTTON(tcd->start_button), 0.0, 0.0); |
| 186 | gtk_widget_show (tcd->start_button); |
| 187 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_button,6,7,0,1,GTK_FILL,GTK_FILL,2,2); |
| 188 | |
| 189 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm); |
| 190 | image = gtk_image_new_from_pixbuf(pixbuf); |
| 191 | tcd->pause_button = gtk_button_new_with_label("pause"); |
| 192 | gtk_button_set_image(GTK_BUTTON(tcd->pause_button), image); |
| 193 | gtk_button_set_alignment(GTK_BUTTON(tcd->pause_button), 0.0, 0.0); |
| 194 | gtk_widget_show (tcd->pause_button); |
| 195 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->pause_button,6,7,1,2,GTK_FILL,GTK_FILL,2,2); |
| 196 | |
| 197 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlPause_xpm); |
| 198 | image = gtk_image_new_from_pixbuf(pixbuf); |
| 199 | tcd->unpause_button = gtk_button_new_with_label("unpause"); |
| 200 | gtk_button_set_image(GTK_BUTTON(tcd->unpause_button), image); |
| 201 | gtk_button_set_alignment(GTK_BUTTON(tcd->unpause_button), 0.0, 0.0); |
| 202 | gtk_widget_show (tcd->unpause_button); |
| 203 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->unpause_button,6,7,2,3,GTK_FILL,GTK_FILL,2,2); |
| 204 | |
| 205 | pixbuf = gdk_pixbuf_new_from_xpm_data((const char **)TraceControlStop_xpm); |
| 206 | image = gtk_image_new_from_pixbuf(pixbuf); |
| 207 | tcd->stop_button = gtk_button_new_with_label("stop"); |
| 208 | gtk_button_set_image(GTK_BUTTON(tcd->stop_button), image); |
| 209 | gtk_button_set_alignment(GTK_BUTTON(tcd->stop_button), 0.0, 0.0); |
| 210 | gtk_widget_show (tcd->stop_button); |
| 211 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->stop_button,6,7,3,4,GTK_FILL,GTK_FILL,2,2); |
| 212 | |
| 213 | /* |
| 214 | * First half of the filter window |
| 215 | * - textual entry of filter expression |
| 216 | * - processing button |
| 217 | */ |
| 218 | tcd->username_label = gtk_label_new("Username:"); |
| 219 | gtk_widget_show (tcd->username_label); |
| 220 | tcd->username_entry = gtk_entry_new(); |
| 221 | gtk_entry_set_text(GTK_ENTRY(tcd->username_entry),"root"); |
| 222 | gtk_widget_show (tcd->username_entry); |
| 223 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->username_label,0,2,0,1,GTK_FILL,GTK_FILL,2,2); |
| 224 | 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); |
| 225 | |
| 226 | |
| 227 | |
| 228 | tcd->password_label = gtk_label_new("Password:"); |
| 229 | gtk_widget_show (tcd->password_label); |
| 230 | tcd->password_entry = gtk_entry_new(); |
| 231 | gtk_entry_set_visibility(GTK_ENTRY(tcd->password_entry), FALSE); |
| 232 | gtk_widget_show (tcd->password_entry); |
| 233 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->password_label,0,2,1,2,GTK_FILL,GTK_FILL,2,2); |
| 234 | 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); |
| 235 | |
| 236 | |
| 237 | tcd->channel_dir_label = gtk_label_new("Channel directory:"); |
| 238 | gtk_widget_show (tcd->channel_dir_label); |
| 239 | tcd->channel_dir_entry = gtk_entry_new(); |
| 240 | gtk_entry_set_text(GTK_ENTRY(tcd->channel_dir_entry),"/mnt/relayfs/ltt"); |
| 241 | gtk_widget_show (tcd->channel_dir_entry); |
| 242 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->channel_dir_label,0,2,2,3,GTK_FILL,GTK_FILL,2,2); |
| 243 | 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); |
| 244 | |
| 245 | tcd->trace_dir_label = gtk_label_new("Trace directory:"); |
| 246 | gtk_widget_show (tcd->trace_dir_label); |
| 247 | tcd->trace_dir_entry = gtk_entry_new(); |
| 248 | gtk_entry_set_text(GTK_ENTRY(tcd->trace_dir_entry),"/tmp/trace1"); |
| 249 | gtk_widget_show (tcd->trace_dir_entry); |
| 250 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_dir_label,0,2,3,4,GTK_FILL,GTK_FILL,2,2); |
| 251 | 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); |
| 252 | |
| 253 | tcd->trace_name_label = gtk_label_new("Trace name:"); |
| 254 | gtk_widget_show (tcd->trace_name_label); |
| 255 | tcd->trace_name_entry = gtk_entry_new(); |
| 256 | gtk_entry_set_text(GTK_ENTRY(tcd->trace_name_entry),"trace"); |
| 257 | gtk_widget_show (tcd->trace_name_entry); |
| 258 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_name_label,0,2,4,5,GTK_FILL,GTK_FILL,2,2); |
| 259 | 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); |
| 260 | |
| 261 | tcd->trace_mode_label = gtk_label_new("Trace mode "); |
| 262 | gtk_widget_show (tcd->trace_mode_label); |
| 263 | tcd->trace_mode_combo = gtk_combo_box_new_text(); |
| 264 | gtk_combo_box_append_text(GTK_COMBO_BOX(tcd->trace_mode_combo), |
| 265 | "normal"); |
| 266 | gtk_combo_box_append_text(GTK_COMBO_BOX(tcd->trace_mode_combo), |
| 267 | "flight recorder"); |
| 268 | gtk_combo_box_set_active(GTK_COMBO_BOX(tcd->trace_mode_combo), 0); |
| 269 | gtk_widget_show (tcd->trace_mode_combo); |
| 270 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->trace_mode_label,0,2,5,6,GTK_FILL,GTK_FILL,2,2); |
| 271 | 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); |
| 272 | |
| 273 | tcd->start_daemon_label = gtk_label_new("Start daemon "); |
| 274 | gtk_widget_show (tcd->start_daemon_label); |
| 275 | tcd->start_daemon_check = gtk_check_button_new(); |
| 276 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd->start_daemon_check), TRUE); |
| 277 | gtk_widget_show (tcd->start_daemon_check); |
| 278 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_daemon_label,0,2,6,7,GTK_FILL,GTK_FILL,2,2); |
| 279 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->start_daemon_check,2,6,6,7,GTK_FILL,GTK_FILL,0,0); |
| 280 | |
| 281 | tcd->append_label = gtk_label_new("Append to trace "); |
| 282 | gtk_widget_show (tcd->append_label); |
| 283 | tcd->append_check = gtk_check_button_new(); |
| 284 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(tcd->append_check), FALSE); |
| 285 | gtk_widget_show (tcd->append_check); |
| 286 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->append_label,0,2,7,8,GTK_FILL,GTK_FILL,2,2); |
| 287 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->append_check,2,6,7,8,GTK_FILL,GTK_FILL,0,0); |
| 288 | |
| 289 | |
| 290 | tcd->optional_label = gtk_label_new("Optional fields "); |
| 291 | gtk_widget_show (tcd->optional_label); |
| 292 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->optional_label,0,6,8,9,GTK_FILL,GTK_FILL,2,2); |
| 293 | |
| 294 | tcd->subbuf_size_label = gtk_label_new("Subbuffer size:"); |
| 295 | gtk_widget_show (tcd->subbuf_size_label); |
| 296 | tcd->subbuf_size_entry = gtk_entry_new(); |
| 297 | gtk_widget_show (tcd->subbuf_size_entry); |
| 298 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_size_label,0,2,9,10,GTK_FILL,GTK_FILL,2,2); |
| 299 | 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); |
| 300 | |
| 301 | tcd->subbuf_num_label = gtk_label_new("Number of subbuffers:"); |
| 302 | gtk_widget_show (tcd->subbuf_num_label); |
| 303 | tcd->subbuf_num_entry = gtk_entry_new(); |
| 304 | gtk_widget_show (tcd->subbuf_num_entry); |
| 305 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->subbuf_num_label,0,2,10,11,GTK_FILL,GTK_FILL,2,2); |
| 306 | 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); |
| 307 | |
| 308 | tcd->lttctl_path_label = gtk_label_new("path to lttctl:"); |
| 309 | gtk_widget_show (tcd->lttctl_path_label); |
| 310 | tcd->lttctl_path_entry = gtk_entry_new(); |
| 311 | gtk_entry_set_text(GTK_ENTRY(tcd->lttctl_path_entry),PACKAGE_BIN_DIR "/lttctl"); |
| 312 | gtk_widget_show (tcd->lttctl_path_entry); |
| 313 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttctl_path_label,0,2,11,12,GTK_FILL,GTK_FILL,2,2); |
| 314 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttctl_path_entry,2,6,11,12,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
| 315 | |
| 316 | |
| 317 | tcd->lttd_path_label = gtk_label_new("path to lttd:"); |
| 318 | gtk_widget_show (tcd->lttd_path_label); |
| 319 | tcd->lttd_path_entry = gtk_entry_new(); |
| 320 | gtk_entry_set_text(GTK_ENTRY(tcd->lttd_path_entry),PACKAGE_BIN_DIR "/lttd"); |
| 321 | gtk_widget_show (tcd->lttd_path_entry); |
| 322 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttd_path_label,0,2,12,13,GTK_FILL,GTK_FILL,2,2); |
| 323 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->lttd_path_entry,2,6,12,13,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
| 324 | |
| 325 | |
| 326 | tcd->fac_path_label = gtk_label_new("path to facilities:"); |
| 327 | gtk_widget_show (tcd->fac_path_label); |
| 328 | tcd->fac_path_entry = gtk_entry_new(); |
| 329 | gtk_entry_set_text(GTK_ENTRY(tcd->fac_path_entry),PACKAGE_DATA_DIR "/" PACKAGE "/facilities"); |
| 330 | gtk_widget_set_size_request(tcd->fac_path_entry, 250, -1); |
| 331 | gtk_widget_show (tcd->fac_path_entry); |
| 332 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->fac_path_label,0,2,13,14,GTK_FILL,GTK_FILL,2,2); |
| 333 | gtk_table_attach( GTK_TABLE(tcd->main_box),tcd->fac_path_entry,2,6,13,14,GTK_FILL|GTK_EXPAND|GTK_SHRINK,GTK_FILL,0,0); |
| 334 | |
| 335 | focus_chain = g_list_append (focus_chain, tcd->username_entry); |
| 336 | focus_chain = g_list_append (focus_chain, tcd->password_entry); |
| 337 | focus_chain = g_list_append (focus_chain, tcd->start_button); |
| 338 | focus_chain = g_list_append (focus_chain, tcd->pause_button); |
| 339 | focus_chain = g_list_append (focus_chain, tcd->unpause_button); |
| 340 | focus_chain = g_list_append (focus_chain, tcd->stop_button); |
| 341 | focus_chain = g_list_append (focus_chain, tcd->channel_dir_entry); |
| 342 | focus_chain = g_list_append (focus_chain, tcd->trace_dir_entry); |
| 343 | focus_chain = g_list_append (focus_chain, tcd->trace_name_entry); |
| 344 | focus_chain = g_list_append (focus_chain, tcd->trace_mode_combo); |
| 345 | focus_chain = g_list_append (focus_chain, tcd->start_daemon_check); |
| 346 | focus_chain = g_list_append (focus_chain, tcd->append_check); |
| 347 | focus_chain = g_list_append (focus_chain, tcd->subbuf_size_entry); |
| 348 | focus_chain = g_list_append (focus_chain, tcd->subbuf_num_entry); |
| 349 | focus_chain = g_list_append (focus_chain, tcd->lttctl_path_entry); |
| 350 | focus_chain = g_list_append (focus_chain, tcd->lttd_path_entry); |
| 351 | focus_chain = g_list_append (focus_chain, tcd->fac_path_entry); |
| 352 | |
| 353 | gtk_container_set_focus_chain(GTK_CONTAINER(tcd->main_box), focus_chain); |
| 354 | |
| 355 | g_signal_connect(G_OBJECT(tcd->start_button), "clicked", |
| 356 | (GCallback)start_clicked, tcd); |
| 357 | g_signal_connect(G_OBJECT(tcd->pause_button), "clicked", |
| 358 | (GCallback)pause_clicked, tcd); |
| 359 | g_signal_connect(G_OBJECT(tcd->unpause_button), "clicked", |
| 360 | (GCallback)unpause_clicked, tcd); |
| 361 | g_signal_connect(G_OBJECT(tcd->stop_button), "clicked", |
| 362 | (GCallback)stop_clicked, tcd); |
| 363 | |
| 364 | /* |
| 365 | * show main container |
| 366 | */ |
| 367 | gtk_widget_show(tcd->main_box); |
| 368 | gtk_widget_show(tcd->window); |
| 369 | |
| 370 | |
| 371 | g_object_set_data_full( |
| 372 | G_OBJECT(guicontrol_get_widget(tcd)), |
| 373 | "control_viewer_data", |
| 374 | tcd, |
| 375 | (GDestroyNotify)gui_control_destructor); |
| 376 | |
| 377 | g_control_list = g_slist_append( |
| 378 | g_control_list, |
| 379 | tcd); |
| 380 | |
| 381 | return tcd; |
| 382 | } |
| 383 | |
| 384 | |
| 385 | /** |
| 386 | * @fn void gui_control_destructor(ControlData*) |
| 387 | * |
| 388 | * Destructor for the filter gui module |
| 389 | * @param tcd The module structure |
| 390 | */ |
| 391 | void |
| 392 | gui_control_destructor(ControlData *tcd) |
| 393 | { |
| 394 | Tab *tab = tcd->tab; |
| 395 | |
| 396 | /* May already been done by GTK window closing */ |
| 397 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))){ |
| 398 | g_info("widget still exists"); |
| 399 | } |
| 400 | // if(tab != NULL) { |
| 401 | // lttvwindow_unregister_traceset_notify(tcd->tab, |
| 402 | // filter_traceset_changed, |
| 403 | // filter_viewer_data); |
| 404 | // } |
| 405 | lttvwindowtraces_background_notify_remove(tcd); |
| 406 | |
| 407 | g_control_list = g_slist_remove(g_control_list, tcd); |
| 408 | |
| 409 | g_free(tcd); |
| 410 | } |
| 411 | |
| 412 | static int execute_command(const gchar *command, const gchar *username, |
| 413 | const gchar *password, const gchar *lttd_path, const gchar *fac_path) |
| 414 | { |
| 415 | pid_t pid; |
| 416 | int fdpty; |
| 417 | pid = forkpty(&fdpty, NULL, NULL, NULL); |
| 418 | int retval = 0; |
| 419 | |
| 420 | if(pid > 0) { |
| 421 | /* parent */ |
| 422 | gchar buf[256]; |
| 423 | int status; |
| 424 | ssize_t count; |
| 425 | /* discuss with su */ |
| 426 | struct timeval timeout; |
| 427 | timeout.tv_sec = 1; |
| 428 | timeout.tv_usec = 0; |
| 429 | |
| 430 | struct pollfd pollfd; |
| 431 | int num_rdy; |
| 432 | int num_hup = 0; |
| 433 | |
| 434 | |
| 435 | /* Read the output from the child terminal before the prompt. If no data in |
| 436 | * 200 ms, we stop reading to give the password */ |
| 437 | g_info("Reading from child console..."); |
| 438 | while(1) { |
| 439 | pollfd.fd = fdpty; |
| 440 | pollfd.events = POLLIN|POLLPRI; |
| 441 | |
| 442 | num_rdy = poll(&pollfd, 1, 200); |
| 443 | #if 0 |
| 444 | if(num_rdy == -1) { |
| 445 | perror("Poll error"); |
| 446 | goto wait_child; |
| 447 | } |
| 448 | #endif //0 |
| 449 | |
| 450 | /* Timeout : stop waiting for chars */ |
| 451 | if(num_rdy == 0) break; |
| 452 | |
| 453 | switch(pollfd.revents) { |
| 454 | case POLLERR: |
| 455 | g_warning("Error returned in polling fd\n"); |
| 456 | num_hup++; |
| 457 | break; |
| 458 | case POLLHUP: |
| 459 | g_info("Polling FD : hung up."); |
| 460 | num_hup++; |
| 461 | break; |
| 462 | case POLLNVAL: |
| 463 | g_warning("Polling fd tells it is not open"); |
| 464 | num_hup++; |
| 465 | break; |
| 466 | case POLLPRI: |
| 467 | case POLLIN: |
| 468 | count = read (fdpty, buf, 256); |
| 469 | if(count > 0) { |
| 470 | buf[count] = '\0'; |
| 471 | printf("%s", buf); |
| 472 | } else if(count == -1) { |
| 473 | perror("Error in read"); |
| 474 | goto wait_child; |
| 475 | } |
| 476 | break; |
| 477 | } |
| 478 | if(num_hup > 0) { |
| 479 | g_warning("Child hung up too fast"); |
| 480 | goto wait_child; |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | /* Write the password */ |
| 485 | g_info("Got su prompt, now writing password..."); |
| 486 | int ret; |
| 487 | ret = write(fdpty, password, strlen(password)); |
| 488 | if(ret < 0) perror("Error in write"); |
| 489 | ret = write(fdpty, "\n", 1); |
| 490 | if(ret < 0) perror("Error in write"); |
| 491 | fsync(fdpty); |
| 492 | |
| 493 | /* Take the output from the terminal and show it on the real console */ |
| 494 | g_info("Getting data from child terminal..."); |
| 495 | while(1) { |
| 496 | int num_hup = 0; |
| 497 | pollfd.fd = fdpty; |
| 498 | pollfd.events = POLLIN|POLLPRI; |
| 499 | |
| 500 | num_rdy = poll(&pollfd, 1, -1); |
| 501 | #if 0 |
| 502 | if(num_rdy == -1) { |
| 503 | perror("Poll error"); |
| 504 | goto wait_child; |
| 505 | } |
| 506 | #endif //0 |
| 507 | if(num_rdy == 0) break; |
| 508 | |
| 509 | switch(pollfd.revents) { |
| 510 | case POLLERR: |
| 511 | g_warning("Error returned in polling fd\n"); |
| 512 | num_hup++; |
| 513 | break; |
| 514 | case POLLHUP: |
| 515 | g_info("Polling FD : hung up."); |
| 516 | num_hup++; |
| 517 | break; |
| 518 | case POLLNVAL: |
| 519 | g_warning("Polling fd tells it is not open"); |
| 520 | num_hup++; |
| 521 | break; |
| 522 | case POLLPRI: |
| 523 | case POLLIN: |
| 524 | count = read (fdpty, buf, 256); |
| 525 | if(count > 0) { |
| 526 | buf[count] = '\0'; |
| 527 | printf("%s", buf); |
| 528 | } else if(count == -1) { |
| 529 | perror("Error in read"); |
| 530 | goto wait_child; |
| 531 | } |
| 532 | break; |
| 533 | } |
| 534 | if(num_hup > 0) goto wait_child; |
| 535 | } |
| 536 | wait_child: |
| 537 | g_info("Waiting for child exit..."); |
| 538 | |
| 539 | ret = waitpid(pid, &status, 0); |
| 540 | |
| 541 | if(ret == -1) { |
| 542 | g_warning("An error occured in wait : %s", |
| 543 | strerror(errno)); |
| 544 | } else { |
| 545 | if(WIFEXITED(status)) |
| 546 | if(WEXITSTATUS(status) != 0) { |
| 547 | retval = WEXITSTATUS(status); |
| 548 | g_warning("An error occured in the su command : %s", |
| 549 | strerror(retval)); |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | g_info("Child exited."); |
| 554 | |
| 555 | } else if(pid == 0) { |
| 556 | /* Setup environment variables */ |
| 557 | if(strcmp(lttd_path, "") != 0) |
| 558 | setenv("LTT_DAEMON", lttd_path, 1); |
| 559 | if(strcmp(fac_path, "") != 0) |
| 560 | setenv("LTT_FACILITIES", fac_path, 1); |
| 561 | |
| 562 | g_message("Executing (as %s) : %s\n", username, command); |
| 563 | |
| 564 | execlp("su", "su", "-p", "-c", command, username, NULL); |
| 565 | exit(-1); /* not supposed to happen! */ |
| 566 | |
| 567 | //gint ret = execvp(); |
| 568 | |
| 569 | } else { |
| 570 | /* error */ |
| 571 | g_warning("Error happened when forking for su"); |
| 572 | } |
| 573 | |
| 574 | return retval; |
| 575 | } |
| 576 | |
| 577 | |
| 578 | /* Callbacks */ |
| 579 | |
| 580 | void start_clicked (GtkButton *button, gpointer user_data) |
| 581 | { |
| 582 | ControlData *tcd = (ControlData*)user_data; |
| 583 | |
| 584 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
| 585 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
| 586 | const gchar *channel_dir = |
| 587 | gtk_entry_get_text(GTK_ENTRY(tcd->channel_dir_entry)); |
| 588 | const gchar *trace_dir = gtk_entry_get_text(GTK_ENTRY(tcd->trace_dir_entry)); |
| 589 | const gchar *trace_name = |
| 590 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
| 591 | |
| 592 | const gchar *trace_mode_sel = |
| 593 | gtk_combo_box_get_active_text(GTK_COMBO_BOX(tcd->trace_mode_combo)); |
| 594 | const gchar *trace_mode; |
| 595 | if(strcmp(trace_mode_sel, "normal") == 0) |
| 596 | trace_mode = "normal"; |
| 597 | else |
| 598 | trace_mode = "flight"; |
| 599 | |
| 600 | gboolean start_daemon = |
| 601 | gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd->start_daemon_check)); |
| 602 | |
| 603 | gboolean append = |
| 604 | gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tcd->append_check)); |
| 605 | |
| 606 | const gchar *subbuf_size = |
| 607 | gtk_entry_get_text(GTK_ENTRY(tcd->subbuf_size_entry)); |
| 608 | const gchar *subbuf_num = |
| 609 | gtk_entry_get_text(GTK_ENTRY(tcd->subbuf_num_entry)); |
| 610 | const gchar *lttctl_path = |
| 611 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
| 612 | const gchar *lttd_path = gtk_entry_get_text(GTK_ENTRY(tcd->lttd_path_entry)); |
| 613 | const gchar *fac_path = gtk_entry_get_text(GTK_ENTRY(tcd->fac_path_entry)); |
| 614 | |
| 615 | |
| 616 | /* Setup arguments to su */ |
| 617 | /* child */ |
| 618 | gchar args[MAX_ARGS_LEN]; |
| 619 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
| 620 | |
| 621 | args[0] = '\0'; |
| 622 | |
| 623 | /* Command */ |
| 624 | strncat(args, "exec", args_left); |
| 625 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 626 | |
| 627 | /* space */ |
| 628 | strncat(args, " ", args_left); |
| 629 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 630 | |
| 631 | if(strcmp(lttctl_path, "") == 0) |
| 632 | strncat(args, "lttctl", args_left); |
| 633 | else |
| 634 | strncat(args, lttctl_path, args_left); |
| 635 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 636 | |
| 637 | /* space */ |
| 638 | strncat(args, " ", args_left); |
| 639 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 640 | |
| 641 | /* channel dir */ |
| 642 | strncat(args, "-l ", args_left); |
| 643 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 644 | strncat(args, channel_dir, args_left); |
| 645 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 646 | |
| 647 | /* space */ |
| 648 | strncat(args, " ", args_left); |
| 649 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 650 | |
| 651 | /* trace dir */ |
| 652 | strncat(args, "-t ", args_left); |
| 653 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 654 | strncat(args, trace_dir, args_left); |
| 655 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 656 | |
| 657 | /* space */ |
| 658 | strncat(args, " ", args_left); |
| 659 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 660 | |
| 661 | /* name */ |
| 662 | strncat(args, "-n ", args_left); |
| 663 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 664 | strncat(args, trace_name, args_left); |
| 665 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 666 | |
| 667 | /* space */ |
| 668 | strncat(args, " ", args_left); |
| 669 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 670 | |
| 671 | /* trace mode */ |
| 672 | strncat(args, "-m ", args_left); |
| 673 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 674 | strncat(args, trace_mode, args_left); |
| 675 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 676 | |
| 677 | /* space */ |
| 678 | strncat(args, " ", args_left); |
| 679 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 680 | |
| 681 | /* Start daemon ? */ |
| 682 | if(start_daemon) { |
| 683 | strncat(args, "-d", args_left); |
| 684 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 685 | } else { |
| 686 | /* Simply create the channel and then start tracing */ |
| 687 | strncat(args, "-b", args_left); |
| 688 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 689 | } |
| 690 | |
| 691 | |
| 692 | /* Append to trace ? */ |
| 693 | if(append) { |
| 694 | /* space */ |
| 695 | strncat(args, " ", args_left); |
| 696 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 697 | strncat(args, "-a", args_left); |
| 698 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 699 | } |
| 700 | |
| 701 | /* optional arguments */ |
| 702 | /* subbuffer size */ |
| 703 | if(strcmp(subbuf_size, "") != 0) { |
| 704 | /* space */ |
| 705 | strncat(args, " ", args_left); |
| 706 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 707 | |
| 708 | strncat(args, "-z ", args_left); |
| 709 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 710 | strncat(args, subbuf_size, args_left); |
| 711 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 712 | } |
| 713 | |
| 714 | /* number of subbuffers */ |
| 715 | if(strcmp(subbuf_num, "") != 0) { |
| 716 | /* space */ |
| 717 | strncat(args, " ", args_left); |
| 718 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 719 | |
| 720 | strncat(args, "-x ", args_left); |
| 721 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 722 | strncat(args, subbuf_num, args_left); |
| 723 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 724 | } |
| 725 | |
| 726 | |
| 727 | int retval = execute_command(args, username, password, lttd_path, fac_path); |
| 728 | |
| 729 | if(retval) { |
| 730 | gchar msg[256]; |
| 731 | guint msg_left = 256; |
| 732 | |
| 733 | strcpy(msg, "A problem occured when executing the su command : "); |
| 734 | msg_left = 256 - strlen(msg) - 1; |
| 735 | strncat(msg, strerror(retval), msg_left); |
| 736 | GtkWidget *dialogue = |
| 737 | gtk_message_dialog_new( |
| 738 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
| 739 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
| 740 | GTK_MESSAGE_ERROR, |
| 741 | GTK_BUTTONS_OK, |
| 742 | msg); |
| 743 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
| 744 | gtk_widget_destroy(dialogue); |
| 745 | } |
| 746 | |
| 747 | } |
| 748 | |
| 749 | |
| 750 | void pause_clicked (GtkButton *button, gpointer user_data) |
| 751 | { |
| 752 | ControlData *tcd = (ControlData*)user_data; |
| 753 | |
| 754 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
| 755 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
| 756 | const gchar *trace_name = |
| 757 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
| 758 | const gchar *lttd_path = ""; |
| 759 | const gchar *fac_path = ""; |
| 760 | |
| 761 | const gchar *lttctl_path = |
| 762 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
| 763 | |
| 764 | /* Setup arguments to su */ |
| 765 | /* child */ |
| 766 | gchar args[MAX_ARGS_LEN]; |
| 767 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
| 768 | |
| 769 | args[0] = '\0'; |
| 770 | |
| 771 | /* Command */ |
| 772 | strncat(args, "exec", args_left); |
| 773 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 774 | |
| 775 | /* space */ |
| 776 | strncat(args, " ", args_left); |
| 777 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 778 | |
| 779 | if(strcmp(lttctl_path, "") == 0) |
| 780 | strncat(args, "lttctl", args_left); |
| 781 | else |
| 782 | strncat(args, lttctl_path, args_left); |
| 783 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 784 | |
| 785 | /* space */ |
| 786 | strncat(args, " ", args_left); |
| 787 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 788 | |
| 789 | /* name */ |
| 790 | strncat(args, "-n ", args_left); |
| 791 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 792 | strncat(args, trace_name, args_left); |
| 793 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 794 | |
| 795 | /* space */ |
| 796 | strncat(args, " ", args_left); |
| 797 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 798 | |
| 799 | /* Simply pause tracing */ |
| 800 | strncat(args, "-q", args_left); |
| 801 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 802 | |
| 803 | int retval = execute_command(args, username, password, lttd_path, fac_path); |
| 804 | if(retval) { |
| 805 | gchar msg[256]; |
| 806 | guint msg_left = 256; |
| 807 | |
| 808 | strcpy(msg, "A problem occured when executing the su command : "); |
| 809 | msg_left = 256 - strlen(msg) - 1; |
| 810 | strncat(msg, strerror(retval), msg_left); |
| 811 | GtkWidget *dialogue = |
| 812 | gtk_message_dialog_new( |
| 813 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
| 814 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
| 815 | GTK_MESSAGE_ERROR, |
| 816 | GTK_BUTTONS_OK, |
| 817 | msg); |
| 818 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
| 819 | gtk_widget_destroy(dialogue); |
| 820 | } |
| 821 | |
| 822 | } |
| 823 | |
| 824 | void unpause_clicked (GtkButton *button, gpointer user_data) |
| 825 | { |
| 826 | ControlData *tcd = (ControlData*)user_data; |
| 827 | |
| 828 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
| 829 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
| 830 | const gchar *trace_name = |
| 831 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
| 832 | const gchar *lttd_path = ""; |
| 833 | const gchar *fac_path = ""; |
| 834 | |
| 835 | const gchar *lttctl_path = |
| 836 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
| 837 | |
| 838 | /* Setup arguments to su */ |
| 839 | /* child */ |
| 840 | gchar args[MAX_ARGS_LEN]; |
| 841 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
| 842 | |
| 843 | args[0] = '\0'; |
| 844 | |
| 845 | /* Command */ |
| 846 | strncat(args, "exec", args_left); |
| 847 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 848 | |
| 849 | /* space */ |
| 850 | strncat(args, " ", args_left); |
| 851 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 852 | |
| 853 | if(strcmp(lttctl_path, "") == 0) |
| 854 | strncat(args, "lttctl", args_left); |
| 855 | else |
| 856 | strncat(args, lttctl_path, args_left); |
| 857 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 858 | |
| 859 | /* space */ |
| 860 | strncat(args, " ", args_left); |
| 861 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 862 | |
| 863 | /* name */ |
| 864 | strncat(args, "-n ", args_left); |
| 865 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 866 | strncat(args, trace_name, args_left); |
| 867 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 868 | |
| 869 | /* space */ |
| 870 | strncat(args, " ", args_left); |
| 871 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 872 | |
| 873 | /* Simply unpause tracing */ |
| 874 | strncat(args, "-s", args_left); |
| 875 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 876 | |
| 877 | int retval = execute_command(args, username, password, lttd_path, fac_path); |
| 878 | if(retval) { |
| 879 | gchar msg[256]; |
| 880 | guint msg_left = 256; |
| 881 | |
| 882 | strcpy(msg, "A problem occured when executing the su command : "); |
| 883 | msg_left = 256 - strlen(msg) - 1; |
| 884 | strncat(msg, strerror(retval), msg_left); |
| 885 | GtkWidget *dialogue = |
| 886 | gtk_message_dialog_new( |
| 887 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
| 888 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
| 889 | GTK_MESSAGE_ERROR, |
| 890 | GTK_BUTTONS_OK, |
| 891 | msg); |
| 892 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
| 893 | gtk_widget_destroy(dialogue); |
| 894 | } |
| 895 | |
| 896 | } |
| 897 | |
| 898 | void stop_clicked (GtkButton *button, gpointer user_data) |
| 899 | { |
| 900 | ControlData *tcd = (ControlData*)user_data; |
| 901 | |
| 902 | const gchar *username = gtk_entry_get_text(GTK_ENTRY(tcd->username_entry)); |
| 903 | const gchar *password = gtk_entry_get_text(GTK_ENTRY(tcd->password_entry)); |
| 904 | const gchar *trace_name = |
| 905 | gtk_entry_get_text(GTK_ENTRY(tcd->trace_name_entry)); |
| 906 | const gchar *lttd_path = ""; |
| 907 | const gchar *fac_path = ""; |
| 908 | |
| 909 | const gchar *lttctl_path = |
| 910 | gtk_entry_get_text(GTK_ENTRY(tcd->lttctl_path_entry)); |
| 911 | const gchar *trace_dir = gtk_entry_get_text(GTK_ENTRY(tcd->trace_dir_entry)); |
| 912 | |
| 913 | /* Setup arguments to su */ |
| 914 | /* child */ |
| 915 | gchar args[MAX_ARGS_LEN]; |
| 916 | gint args_left = MAX_ARGS_LEN - 1; /* for \0 */ |
| 917 | |
| 918 | args[0] = '\0'; |
| 919 | |
| 920 | /* Command */ |
| 921 | strncat(args, "exec", args_left); |
| 922 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 923 | |
| 924 | /* space */ |
| 925 | strncat(args, " ", args_left); |
| 926 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 927 | |
| 928 | if(strcmp(lttctl_path, "") == 0) |
| 929 | strncat(args, "lttctl", args_left); |
| 930 | else |
| 931 | strncat(args, lttctl_path, args_left); |
| 932 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 933 | |
| 934 | /* space */ |
| 935 | strncat(args, " ", args_left); |
| 936 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 937 | |
| 938 | /* name */ |
| 939 | strncat(args, "-n ", args_left); |
| 940 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 941 | strncat(args, trace_name, args_left); |
| 942 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 943 | |
| 944 | /* space */ |
| 945 | strncat(args, " ", args_left); |
| 946 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 947 | |
| 948 | /* Simply stop tracing and destroy channel */ |
| 949 | strncat(args, "-R", args_left); |
| 950 | args_left = MAX_ARGS_LEN - strlen(args) - 1; |
| 951 | |
| 952 | int retval = execute_command(args, username, password, lttd_path, fac_path); |
| 953 | if(retval) { |
| 954 | gchar msg[256]; |
| 955 | guint msg_left = 256; |
| 956 | |
| 957 | strcpy(msg, "A problem occured when executing the su command : "); |
| 958 | msg_left = 256 - strlen(msg) - 1; |
| 959 | strncat(msg, strerror(retval), msg_left); |
| 960 | GtkWidget *dialogue = |
| 961 | gtk_message_dialog_new( |
| 962 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
| 963 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
| 964 | GTK_MESSAGE_ERROR, |
| 965 | GTK_BUTTONS_OK, |
| 966 | msg); |
| 967 | gtk_dialog_run(GTK_DIALOG(dialogue)); |
| 968 | gtk_widget_destroy(dialogue); |
| 969 | return; |
| 970 | } |
| 971 | |
| 972 | |
| 973 | /* Ask to the user if he wants to open the trace in a new window */ |
| 974 | GtkWidget *dialogue; |
| 975 | GtkWidget *label; |
| 976 | gint id; |
| 977 | |
| 978 | dialogue = gtk_dialog_new_with_buttons("Open trace ?", |
| 979 | GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button))), |
| 980 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, |
| 981 | GTK_STOCK_YES,GTK_RESPONSE_ACCEPT, |
| 982 | GTK_STOCK_NO,GTK_RESPONSE_REJECT, |
| 983 | NULL); |
| 984 | label = gtk_label_new("Do you want to open the trace in LTTV ?"); |
| 985 | gtk_widget_show(label); |
| 986 | |
| 987 | gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialogue)->vbox), |
| 988 | label); |
| 989 | |
| 990 | id = gtk_dialog_run(GTK_DIALOG(dialogue)); |
| 991 | |
| 992 | switch(id){ |
| 993 | case GTK_RESPONSE_ACCEPT: |
| 994 | { |
| 995 | create_main_window_with_trace(trace_dir); |
| 996 | } |
| 997 | break; |
| 998 | case GTK_RESPONSE_REJECT: |
| 999 | default: |
| 1000 | break; |
| 1001 | } |
| 1002 | gtk_widget_destroy(dialogue); |
| 1003 | |
| 1004 | } |
| 1005 | |
| 1006 | |
| 1007 | /** |
| 1008 | * @fn GtkWidget* h_guicontrol(Tab*) |
| 1009 | * |
| 1010 | * Control Module's constructor hook |
| 1011 | * |
| 1012 | * This constructor is given as a parameter to the menuitem and toolbar button |
| 1013 | * registration. It creates the list. |
| 1014 | * @param tab A pointer to the parent window. |
| 1015 | * @return The widget created. |
| 1016 | */ |
| 1017 | GtkWidget * |
| 1018 | h_guicontrol(Tab *tab) |
| 1019 | { |
| 1020 | ControlData* f = gui_control(tab) ; |
| 1021 | |
| 1022 | return NULL; |
| 1023 | } |
| 1024 | |
| 1025 | /** |
| 1026 | * @fn static void init() |
| 1027 | * |
| 1028 | * This function initializes the Filter Viewer functionnality through the |
| 1029 | * gtkTraceSet API. |
| 1030 | */ |
| 1031 | static void init() { |
| 1032 | |
| 1033 | lttvwindow_register_constructor("guicontrol", |
| 1034 | "/", |
| 1035 | "Insert Tracing Control Module", |
| 1036 | hTraceControlInsert_xpm, |
| 1037 | "Insert Tracing Control Module", |
| 1038 | h_guicontrol); |
| 1039 | } |
| 1040 | |
| 1041 | /** |
| 1042 | * @fn void control_destroy_walk(gpointer,gpointer) |
| 1043 | * |
| 1044 | * Initiate the destruction of the current gui module |
| 1045 | * on the GTK Interface |
| 1046 | */ |
| 1047 | void |
| 1048 | control_destroy_walk(gpointer data, gpointer user_data) |
| 1049 | { |
| 1050 | ControlData *tcd = (ControlData*)data; |
| 1051 | |
| 1052 | g_debug("traceontrol.c : control_destroy_walk, %p", tcd); |
| 1053 | |
| 1054 | /* May already have been done by GTK window closing */ |
| 1055 | if(GTK_IS_WIDGET(guicontrol_get_widget(tcd))) |
| 1056 | gtk_widget_destroy(guicontrol_get_widget(tcd)); |
| 1057 | } |
| 1058 | |
| 1059 | /** |
| 1060 | * @fn static void destroy() |
| 1061 | * @brief plugin's destroy function |
| 1062 | * |
| 1063 | * This function releases the memory reserved by the module and unregisters |
| 1064 | * everything that has been registered in the gtkTraceSet API. |
| 1065 | */ |
| 1066 | static void destroy() { |
| 1067 | |
| 1068 | g_slist_foreach(g_control_list, control_destroy_walk, NULL ); |
| 1069 | |
| 1070 | lttvwindow_unregister_constructor(h_guicontrol); |
| 1071 | |
| 1072 | } |
| 1073 | |
| 1074 | |
| 1075 | LTTV_MODULE("guitracecontrol", "Trace Control Window", \ |
| 1076 | "Graphical module that let user control kernel tracing", \ |
| 1077 | init, destroy, "lttvwindow") |
| 1078 | |