Hi! I just started developing a plugin with QT, I tried the example given at https://github.com/wireshark/wireshark/tree/master/plugins/epan/pluginifdemo. Modified Makefile.am and CMakeFiles.txt according to wireshark-2.4.5, but it didn't work. The QT files were not being compiled. So I took the QT files added it to ui/qt directory with some modification in includes. The QT files were now in ui/qt folder and the rest of the plugin was in plugins/pluginifdemo folder. The program successfully compiled. But upon running wireshark it produces error "undefined symbol: pluginifdemo_ui_about". What am I missing here?
In plugins/pluginifdemo directory ================================== plugindemo.c ---------------------------------------------------------------------------------- /* pluginifdemo.c * Routines for plugin_if demo capability * Author: Roland Knall <rkn...@gmail.com> * * Wireshark - Network traffic analyzer * By Gerald Combs <ger...@wireshark.org> * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include <stdio.h> #include <epan/packet.h> #include <epan/prefs.h> #include <epan/tap.h> #include <epan/plugin_if.h> #include "pluginifdemo.h" #include <ui/qt/uihandler.h> void proto_register_pluginifdemo(void); void proto_reg_handoff_pluginifdemo(void); static int proto_pluginifdemo = -1; void toolbar_cb(gpointer object, gpointer item_data, gpointer user_data); void void menu_cb(ext_menubar_gui_type gui_type, gpointer gui_data, gpointer user_data _U_) { pluginifdemo_ui_main(gui_type, gui_data); } void about_cb(ext_menubar_gui_type gui_type _U_, gpointer gui_data _U_, gpointer user_data _U_) { pluginifdemo_ui_about(gui_type, gui_data); } void proto_register_pluginifdemo(void) { static hf_register_info hf[] = { }; static gint *ett[] = { }; #if 0 module_t *pluginif_module = NULL; #endif ext_menu_t * ext_menu = NULL; proto_pluginifdemo = proto_register_protocol("Plugin IF Demo Protocol", "Pluginifdemo", "pluginifdemo"); proto_register_field_array(proto_pluginifdemo, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); ext_menu = ext_menubar_register_menu ( proto_pluginifdemo, "Plugin IF Demonstration", TRUE ); ext_menubar_set_parentmenu (ext_menu, "Tools"); ext_menubar_add_entry(ext_menu, "Toolbar Action Demonstrator", "Action demonstrator for the plugin toolbar", menu_cb, NULL); ext_menubar_add_separator(ext_menu); ext_menubar_add_website(ext_menu, "Wireshark Development", "See Wireshark Development", "https://www.wireshark.org/develop.html"); ext_menubar_add_separator(ext_menu); ext_menubar_add_entry(ext_menu, "&About Plugin IF Demonstration", "Further information", menu_cb, NULL); #if 0 pluginif_module = prefs_register_protocol(proto_pluginifdemo, NULL); #endif ext_toolbar_t * tb = ext_toolbar_register_toolbar("Plugin Interface Demo Toolbar"); ext_toolbar_add_entry(tb, EXT_TOOLBAR_BUTTON, "Button 1", 0, "Button 1 to press", FALSE, 0, FALSE, 0, toolbar_cb, 0); ext_toolbar_add_entry(tb, EXT_TOOLBAR_BUTTON, "Button 2", 0, "Button 2 to press", TRUE, 0, FALSE, 0, toolbar_cb, 0); ext_toolbar_add_entry(tb, EXT_TOOLBAR_BOOLEAN, "Checkbox", 0, "Checkbox to Select", FALSE, 0, FALSE, 0, toolbar_cb, 0); ext_toolbar_add_entry(tb, EXT_TOOLBAR_STRING, "String 1", "Default String", "String without validation", FALSE, 0, TRUE, 0, toolbar_cb, 0); ext_toolbar_add_entry(tb, EXT_TOOLBAR_STRING, "String 2", "ABC", "String with validation", FALSE, 0, FALSE, "^[A-Z]+", toolbar_cb, 0); GList * entries = 0; entries = ext_toolbar_add_val( entries, "1", "ABCD", FALSE ); entries = ext_toolbar_add_val(entries, "2", "EFG", FALSE ); entries = ext_toolbar_add_val(entries, "3", "HIJ", TRUE ); entries = ext_toolbar_add_val(entries, "4", "KLM", FALSE ); entries = ext_toolbar_add_val(entries, "5", "NOP", FALSE ); entries = ext_toolbar_add_val(entries, "6", "QRS", FALSE ); entries = ext_toolbar_add_val(entries, "7", "TUVW", FALSE ); entries = ext_toolbar_add_val(entries, "8", "XYZ", FALSE ); ext_toolbar_add_entry(tb, EXT_TOOLBAR_SELECTOR, "Selector", 0, "Selector to choose from", FALSE, entries, FALSE, 0, toolbar_cb, 0); pluginifdemo_toolbar_register(tb); } void toolbar_cb(gpointer toolbar_item, gpointer item_data, gpointer user_data _U_) { if ( ! toolbar_item ) return; gchar * message = 0; ext_toolbar_t * entry = (ext_toolbar_t *)toolbar_item; if ( entry->item_type == EXT_TOOLBAR_BUTTON ) pluginifdemo_toolbar_log ( "Button pressed at toolbar" ); else if ( entry->item_type == EXT_TOOLBAR_BOOLEAN ) { gboolean data = *((gboolean *)item_data); message = g_strdup_printf( "Checkbox selected value: %d", (int) (data) ); pluginifdemo_toolbar_log(message); } else if ( entry->item_type == EXT_TOOLBAR_STRING ) { gchar * data = (gchar *)item_data; message = g_strdup_printf( "String entered in toolbar: %s", data ); pluginifdemo_toolbar_log(message); } else if ( entry->item_type == EXT_TOOLBAR_SELECTOR ) { ext_toolbar_value_t * data = (ext_toolbar_value_t *)item_data; message = g_strdup_printf( "Value from toolbar: %s", data->value ); pluginifdemo_toolbar_log(message); } g_free(message); } void proto_reg_handoff_pluginifdemo(void) { } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */ -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- In ui/qt directory ================================== uihandler.h ---------------------------------------------------------------------------------- /* uihandler.h * Author: Roland Knall <rkn...@gmail.com> * * Wireshark - Network traffic analyzer * By Gerald Combs <ger...@wireshark.org> * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef PLUGINIFDEMO_UI_UIHANDLER_H_ #define PLUGINIFDEMO_UI_UIHANDLER_H_ #ifdef __cplusplus #include <QObject> #include <QDialog> #include <QMutex> #include <epan/plugin_if.h> #include "ws_symbol_export.h" class WS_DLL_PUBLIC_DEF GuiHandler : public QObject { Q_OBJECT public: static GuiHandler * getInstance(); void showAboutDialog(ext_menubar_gui_type gui_type, gpointer gui_data); void showMainDialog(ext_menubar_gui_type gui_type, gpointer gui_data); void doReset(); void addLogMessage(QString message); void setToolbar(ext_toolbar_t * toolbar); ext_toolbar_t * toolBar(); signals: void reset(); void logChanged(QString newEntry); protected: GuiHandler(); // Stop the compiler generating methods of "copy the object" GuiHandler(GuiHandler const& copy); // Not implemented GuiHandler& operator=(GuiHandler const& copy); // Not implemented private: static QMutex * singletonMutex; ext_toolbar_t * _toolbar; void executeDialog(QDialog * object); }; extern "C" { #endif extern void pluginifdemo_ui_about(ext_menubar_gui_type gui_type, gpointer gui_data); extern void pluginifdemo_ui_main(ext_menubar_gui_type gui_type, gpointer gui_data); extern void pluginifdemo_toolbar_log(const gchar * message); extern void pluginifdemo_toolbar_register(ext_toolbar_t * toolbar); #ifdef __cplusplus } #endif #endif /* BURANALYZER_UI_UIHANDLER_H_ */ /* * Editor modelines * * Local Variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * ex: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */
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