main.c

这是一个针对linux操作系统的任务管理器

        buf3[i+1]='\0';
        fclose(fp);
        return buf3;
}

void get_proc_info(GtkWidget *clist)
{
        DIR *dir;
        struct dirent *ptr;
        int i,j;
        FILE *fp;
        char buf[1024];
        char _buffer[1024];
        char *buffer=_buffer;
        char proc_pid[1024];
        char proc_name[1024];
        char proc_stat[1024];
        char proc_pri[1024];
        char proc_takeup[1024];
        char text[5][1024];
        gchar *txt[5];

        clist=gtk_clist_new(5);
        gtk_clist_set_column_title(GTK_CLIST(clist),0,"PID");
        gtk_clist_set_column_title(GTK_CLIST(clist),1,"名称");
	gtk_clist_set_column_title(GTK_CLIST(clist),2,"状态"); 
	gtk_clist_set_column_title(GTK_CLIST(clist),3,"优先级"); 
	gtk_clist_set_column_title(GTK_CLIST(clist),4,"占用内存");  
        dir=opendir("/proc");

        while(ptr=readdir(dir)){
		printf("%s\n",ptr->d_name);
                if((ptr->d_name)[0]>=48&&(ptr->d_name)[0]<=57){
                        sprintf(buf,"/proc/%s/stat",ptr->d_name);
				
                	fp=fopen(buf,"r");
                        fgets(buffer,1024,fp);
                        fclose(fp);

                        for(i=0;i<1024;i++){
                        	if(buffer[i]==' ') break;
                        }
                        buffer[i]='\0';
                        strcpy(proc_pid,buffer);
                        i++;
                        buffer+=i;
                        for(i=0;i<1024;i++){
                        	if(buffer[i]==' ') break;
                        }
                        buffer[i]='\0';
                        strcpy(proc_name,buffer);
                        i++;
                        buffer+=i;
                        for(i=0;i<1024;i++){
                        	if(buffer[i]==' ') break;
                        }
                        buffer[i]='\0';
                        strcpy(proc_stat,buffer);
                        for(j=0;i<1024&&j<14;i++){
                        	if(buffer[i]==' ') j++;
                        }
                        buffer+=i;
                        for(i=0;i<1024;i++){
                        	if(buffer[i]==' ') break;
                        }
                        buffer[i]='\0';
                        strcpy(proc_pri,buffer);
                        for(j=0;i<1024&&j<4;i++){
                        	if(buffer[i]==' ') j++;
                        }
                        buffer+=i;
                        for(i=0;i<1024;i++){
                        	if(buffer[i]==' ') break;
                        }
                        buffer[i]='\0';
                        strcpy(proc_takeup,buffer);
                                
                        sprintf(text[0],"%s",proc_pid);
                        sprintf(text[1],"%s",proc_name);
                        sprintf(text[2],"%s",proc_stat);
                        sprintf(text[3],"%s",proc_pri);
			sprintf(text[4],"%s",proc_takeup);
                        printf("%s,%s,%s,%s,%s\n",proc_pid,proc_name,proc_stat,proc_pri,proc_takeup);

			txt[0]=text[0];
			txt[1]=text[1];
			txt[2]=text[2];
			txt[3]=text[3];
			txt[4]=text[4];

                        gtk_clist_append(GTK_CLIST(clist),txt);
                }
        } 
        closedir(dir);
        return;
}

int main( int argc,char *argv[] )
{
    GtkWidget *window;
    GtkWidget *button1;
    GtkWidget *button2;
    GtkWidget *button3;
    GtkWidget *table;
    GtkWidget *notebook;
    GtkWidget *frame;
    GtkWidget *frame2;
    GtkWidget *vbox;
    GtkWidget *hbox;
    GtkWidget *label;
    GtkWidget *clist;
    char bufferf1[1000];
    char bufferf2[1000];
    char bufferl[10];
    char buf1[256],buf2[256],buf3[256],buf4[256];
    float temp[3]={0.0,0.0,0.0};    

    gtk_init (&argc, &argv);
    
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title (GTK_WINDOW (window), "系统监视器");  
    gtk_widget_set_size_request (window, 550, 400);  

    g_signal_connect (G_OBJECT (window), "delete_event",
	              G_CALLBACK (delete_event), NULL);
    
    gtk_container_set_border_width (GTK_CONTAINER (window), 10);

    table = gtk_table_new (3, 6, FALSE);
    gtk_container_add (GTK_CONTAINER (window), table);    

    /* 创建一个新的笔记本，将标签页放在顶部 */
    notebook = gtk_notebook_new ();
    gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), GTK_POS_TOP);
    gtk_table_attach_defaults (GTK_TABLE (table), notebook, 0, 6, 0, 1);
    gtk_widget_show (notebook);
    
    /* 建立内存资源选项卡 */
    sprintf(bufferf1, "CPU");
    sprintf(bufferf2,"内存和交换分区");
    sprintf(bufferl, "内存资源");

    vbox = gtk_vbox_new(FALSE,0);

    frame = gtk_frame_new (bufferf1);
    gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
    gtk_widget_set_size_request (frame, 500, 150);

    ssslabel = gtk_label_new ("");
    gtk_container_add (GTK_CONTAINER (frame), ssslabel);
    gtk_widget_show (ssslabel);

    gtk_box_pack_start(GTK_BOX(vbox),frame,FALSE,FALSE,5);
    gtk_widget_show (frame);

    frame2 = gtk_frame_new (bufferf2);
    gtk_container_set_border_width (GTK_CONTAINER (frame2), 10);
    gtk_widget_set_size_request (frame2, 500, 150);

    rrrlabel = gtk_label_new ("");
    gtk_container_add (GTK_CONTAINER (frame2), rrrlabel);
    gtk_widget_show (rrrlabel);

    gtk_box_pack_start(GTK_BOX(vbox),frame2,FALSE,FALSE,5);
    gtk_widget_show (frame2);

    gtk_widget_show (vbox);

    label = gtk_label_new (bufferl);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);

    /*建立进程信息选项卡*/
    sprintf(bufferl, "进程信息");

    hbox=gtk_hbox_new(FALSE, 5);

    get_proc_info(clist);
    gtk_box_pack_start(GTK_BOX(hbox), clist, TRUE, TRUE, 5);

    vbox=gtk_vbox_new(FALSE, 5); 
    frame = gtk_frame_new (bufferl);
    gtk_widget_set_size_request (frame, 100, 215);
    gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 10);
    button1 = gtk_button_new_with_label("结束进程");
    g_signal_connect (G_OBJECT (button1), "clicked",G_CALLBACK (delete_event), "结束进程");
    gtk_box_pack_start(GTK_BOX(vbox), button1, FALSE, FALSE, 10);
    button2 = gtk_button_new_with_label("刷新");
    g_signal_connect (G_OBJECT (button2), "clicked",G_CALLBACK (delete_event), "刷新");
    gtk_box_pack_start(GTK_BOX(vbox), button2, FALSE, FALSE, 10);
    gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 5);

    gtk_widget_show_all(hbox);

    label = gtk_label_new (bufferl);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), hbox, label);

    /*建立模块信息选项卡*/
    sprintf(bufferl, "模块信息");
    
    vbox = gtk_vbox_new(FALSE,0);
    
    //list = create_list ();
    //gtk_box_pack_start(GTK_BOX(vbox), list, TRUE, TRUE, 5);

    hbox=gtk_hbox_new(FALSE, 5);
    button1 = gtk_button_new_with_label("装载模块");
    g_signal_connect (G_OBJECT (button1), "clicked",G_CALLBACK (delete_event), "装载模块");
    gtk_box_pack_start(GTK_BOX(hbox), button1, FALSE, FALSE, 50);
    button2 = gtk_button_new_with_label("卸载模块");
    g_signal_connect (G_OBJECT (button2), "clicked",G_CALLBACK (delete_event), "卸载模块");
    gtk_box_pack_start(GTK_BOX(hbox), button2, FALSE, FALSE, 50);
    button1 = gtk_button_new_with_label("刷新");
    g_signal_connect (G_OBJECT (button1), "clicked",G_CALLBACK (delete_event), "刷新");
    gtk_box_pack_start(GTK_BOX(hbox), button1, FALSE, FALSE, 50);
    gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 5);

    gtk_widget_show_all(vbox);	

    label = gtk_label_new (bufferl);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);

    /*建立系统信息选项卡*/
    sprintf(bufferf1, "处理器信息");
    sprintf(bufferf2,"操作系统信息");
    sprintf(bufferl, "系统信息");

    vbox = gtk_vbox_new(FALSE,0);

    frame = gtk_frame_new (bufferf1);
    gtk_container_set_border_width (GTK_CONTAINER (frame), 10);
    gtk_widget_set_size_request (frame, 500, 150);
    sprintf(bufferf1, "CPU名称：%s\nCPU类型：%s\nCPU频率：%s MHz\nCache大小：%s\n",get_cpu_name(buf1),get_cpu_type(buf2),get_cpu_f(buf3),get_cache_size(buf4));
    label = gtk_label_new (bufferf1);
    gtk_container_add (GTK_CONTAINER (frame), label);
    gtk_widget_show (label);
    gtk_box_pack_start(GTK_BOX(vbox),frame,FALSE,FALSE,5);
    gtk_widget_show (frame);

    frame2 = gtk_frame_new (bufferf2);
    gtk_container_set_border_width (GTK_CONTAINER (frame2), 10);
    gtk_widget_set_size_request (frame2, 500, 150);
    sprintf(bufferf1, "操作系统类型：%s\n操作系统版本：%s\nGCC编译器版本：%s\n",get_system_type(buf1),get_system_version(buf2),get_gcc_version(buf3));
    label = gtk_label_new (bufferf1);
    gtk_container_add (GTK_CONTAINER (frame2), label);
    gtk_widget_show (label);
    gtk_box_pack_start(GTK_BOX(vbox),frame2,FALSE,FALSE,5);
    gtk_widget_show (frame2);

    gtk_widget_show (vbox);

    label = gtk_label_new (bufferl);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), vbox, label);

    /*建立说明选项卡*/
    sprintf(bufferf1, "欢迎使用");
    sprintf(bufferf2, "作者：夏天\n\n\n信息安全0603\n\n\n012006015519\n\n\nEmail:[e-mail]\n\n\n");
    sprintf(bufferl, "说明");

    hbox=gtk_hbox_new(FALSE, 5);

    frame = gtk_frame_new (bufferf1);
    label = gtk_label_new (bufferf2);
    gtk_container_add (GTK_CONTAINER (frame), label);

    gtk_box_pack_start(GTK_BOX(hbox), frame, TRUE, TRUE, 15);

    vbox=gtk_vbox_new(FALSE, 5); 
    button1 = gtk_button_new_with_label("重启");
    g_signal_connect (G_OBJECT (button1), "clicked",G_CALLBACK (restart), "重启");
    gtk_box_pack_start(GTK_BOX(vbox), button1, TRUE, TRUE, 35);
    button2 = gtk_button_new_with_label("关机");
    g_signal_connect (G_OBJECT (button2), "clicked",G_CALLBACK (shutdown), "关机");
    gtk_box_pack_start(GTK_BOX(vbox), button2, TRUE, TRUE, 35);
    button3 = gtk_button_new_with_label("退出");
    g_signal_connect (G_OBJECT (button3), "clicked",G_CALLBACK (delete_event), "退出");
    gtk_box_pack_start(GTK_BOX(vbox), button3, TRUE, TRUE, 35);
    gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 80);

    gtk_widget_show_all(hbox);

    label = gtk_label_new (bufferl);
    gtk_notebook_append_page (GTK_NOTEBOOK (notebook), hbox, label);

    /* 设置起始页(第1页) */
    gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), 0);

    gtk_widget_show (table);
    gtk_widget_show (window);
    
    gtk_timeout_add(1000,func,temp);
    gtk_main ();
    
    return 0;
}