Added a utility file for the app, currently only has a display

error function.

git-svn-id: https://subversion.cs.uiuc.edu/svn/bang/eoh2009@75 69d76c3e-0761-0410-948c-9895a8bb34fc

Makefile

@@ -33,12 +33,14 @@ LSRC=src/base/bang-com$(SRCEXT) \
 AOBJS=preferences$(OBJEXT) \
       main$(OBJEXT) \
       statusbar$(OBJEXT)\
-      server-menu$(OBJEXT)
+      server-menu$(OBJEXT) \
+      bang-machine-utils$(OBJEXT)
 
 ASRC=src/app/preferences$(SRCEXT) \
       src/app/main$(SRCEXT) \
       src/app/statusbar$(SRCEXT) \
       src/app/server-menu$(SRCEXT) \
+      src/app/bang-machine-utils$(SRCEXT)
 
 LIBRARIES=libbang.so $(MODULES)
 MODULES=test-module.so matrix-mult-module.so

src/app/bang-machine-utils.c

@@ -0,0 +1,21 @@
+#include"bang-machine-utils.h"
+#include<gtk/gtk.h>
+
+
+void BMACHINE_error_dialog(char *error) {
+
+	static GtkWidget *err_dialog = NULL;
+	if (err_dialog) {
+		gtk_message_dialog_set_markup(GTK_MESSAGE_DIALOG(err_dialog),error);
+	} else {
+		err_dialog = gtk_message_dialog_new(NULL,
+				GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+				GTK_MESSAGE_ERROR,
+				GTK_BUTTONS_OK,
+				error);
+
+	}
+
+	gtk_dialog_run(GTK_DIALOG(err_dialog));
+	gtk_widget_hide(err_dialog);
+}

src/app/bang-machine-utils.h

@@ -0,0 +1,4 @@
+#ifndef __BANG_MACHINE_UTILS
+#define __BANG_MACHINE_UTILS
+void BMACHINE_error_dialog(char *error);
+#endif

src/app/server-menu.c

@@ -1,11 +1,14 @@
+#include"bang-machine-utils.h"
 #include"../base/bang.h"
 #include<gtk/gtk.h>
+#include<stdlib.h>
 
 /**
  * Start Stop Server
  */
 static GtkWidget *ssserver = NULL;
 
+
 static void server_status(int signal, int num_args, void **args) {
 
 	gdk_threads_enter();
@@ -16,14 +19,15 @@ static void server_status(int signal, int num_args, void **args) {
 
 	switch (signal) {
 		case BANG_LISTEN_FAIL:
+			BMACHINE_error_dialog("The server could not listen to its port.");
 			break;
 		case BANG_BIND_FAIL:
+			BMACHINE_error_dialog("The server could not bind to its port.");
 			break;
 		case BANG_BIND_SUC:
 			break;
 		case BANG_GADDRINFO_FAIL:
-			break;
-		case BANG_BIND_SUC:
+			BMACHINE_error_dialog("The server could not fetch the address information.");
 			break;
 		case BANG_SERVER_STARTED:
 			break;
@@ -40,7 +44,7 @@ static void server_status(int signal, int num_args, void **args) {
 	free(args);
 }
 
-static void change_server_status(GtkWidget widget) {
+static void change_server_status(GtkWidget *widget) {
 	if(BANG_is_server_running()) {
 		BANG_server_stop();
 		gtk_widget_set_sensitive(widget,FALSE);
@@ -60,12 +64,13 @@ GtkWidget* BMACHINE_setup_server_menu() {
 
 	gtk_menu_shell_append(GTK_MENU_SHELL(servermenu),ssserver);
 	gtk_menu_item_set_submenu(GTK_MENU_ITEM(server),servermenu);
-	BANG_install_sighandler(BANG_LISTEN_FAIL,&change_server_status);
-	BANG_install_sighandler(BANG_BIND_FAIL,&change_server_status);
-	BANG_install_sighandler(BANG_BIND_SUC,&change_server_status);
-	BANG_install_sighandler(BANG_GADDRINFO_FAIL,&change_server_status);
-	BANG_install_sighandler(BANG_BIND_SUC,&change_server_status);
-	BANG_install_sighandler(BANG_SERVER_STARTED,&change_server_status);
+
+	BANG_install_sighandler(BANG_LISTEN_FAIL,&server_status);
+	BANG_install_sighandler(BANG_BIND_FAIL,&server_status);
+	BANG_install_sighandler(BANG_BIND_SUC,&server_status);
+	BANG_install_sighandler(BANG_GADDRINFO_FAIL,&server_status);
+	BANG_install_sighandler(BANG_BIND_SUC,&server_status);
+	BANG_install_sighandler(BANG_SERVER_STARTED,&server_status);
 
 	return server;
 }