From d193fa1ced1f200da8f9a6f6f993ff15f126aba5 Mon Sep 17 00:00:00 2001 From: emmekappaa Date: Wed, 29 Mar 2023 19:01:28 +0200 Subject: [PATCH] Update Task --- mentos/src/process/feedbackScheduler.c | 139 +++++++++++++------------ 1 file changed, 71 insertions(+), 68 deletions(-) diff --git a/mentos/src/process/feedbackScheduler.c b/mentos/src/process/feedbackScheduler.c index 5e45980..76c8658 100644 --- a/mentos/src/process/feedbackScheduler.c +++ b/mentos/src/process/feedbackScheduler.c @@ -3,22 +3,36 @@ /// @copyright (c) 2014-2022 This file is distributed under the MIT License. /// See LICENSE.md for details. +/* +HOW TO: +all'avvio di MentOS, usa comando start, verrai avvisato su terminale quando la sessione sarà terminata. +Puoi verificare i risultati a video lanciando il comando cat sul file del desktop (feedback.txt) + +es: +~ start +~ cat feedback.txt + +Questa e' una versione di prova in cui registriamo una brevissima sessione di soli 10 pid. +(Funzionante per ora solo con lo scheduler RR) +Istruzioni relative ai parametri della funzione start (che sono work in progress) sono in start.c +*/ + #include "fcntl.h" #include "stdio.h" #include "fs/vfs.h" +#include "string.h" + + +// Size of the buffer. +#define BUFFER_SIZE 256 + +#define MAX_SIZE_NAME 20 //Variabili Globali -// Size of the buffer. -//#define BUFFER_SIZE 256 -#define MAX_STORAGE 50 +#define MAX_STORAGE 10 int count = 0; - -int flag = 0; -int count2 = 0; -pid_t salvati[10] = {0}; -int i = 0; - - +pid_t PID_BUFFER[MAX_STORAGE] = {0}; +char PID_NAME[MAX_STORAGE][MAX_SIZE_NAME]; int countChar(char[]); @@ -38,86 +52,75 @@ void writeFeedback(pid_t pid, char name[]) char start[] = "start"; //analizzo se nome del PID passato come argomento corrisponde al comando START - for(int j = 0 ; j < countChar(name) && brake == 0; j++) + for(int i = 0 ; i < countChar(name) && brake == 0; i++) { - if(start[j] != name[j]) + if(start[i] != name[i]) { brake = 1; } } - //Entra solo una volta, ovvero la prima volta che viene dato start - if(brake == 0 && count == MAX_STORAGE) + //Entra solo una volta, dopo aver finito la sessione (riempito il buffer) + if(brake == 0 && count == MAX_STORAGE-1) { //RESET BUFFER + for(int i = 0; i < MAX_STORAGE; i++) + { + PID_BUFFER[i] = 0; + } + count = 0; + } //Se prima volta e' start bene, proseguiamo siccome brake e' zero, //le successive brake NON zero ma count > 0 poiche start passato in precedenza //Opportuno controllo per non sforare il MAX_STORAGE della struttura dati che utilizziamo - if(count != MAX_STORAGE && (count != 0 || brake == 0 )) + if(count != MAX_STORAGE-1 && (count != 0 || brake == 0 )) { //REGISTRAZIONE PID IN BUFFER + PID_BUFFER[count] = pid; + strcpy(PID_NAME[count],name); + count++; } //QUI SE BUFFER PIENO SCRIVO SU FILE - //QUI SOTTO PROBABILMENTE QUASI TUTTO DA CANCELLARE - if(pid != 1 && pid != 2) + if(count == MAX_STORAGE-1) { - flag = 1; - } - else if(i<10) - { - salvati[i] = pid; - i++; + mode_t mode = 000777; + char buffer[BUFFER_SIZE]; + const char *namef = "/home/user/feedback.txt"; + ssize_t offset = sizeof(char)*38; + char temp[6]; //max PID 99999 + + // NOTE: You should check if the file exists, or create it, during the boot + // phase of the system. Choose a place where to put it, a location like + // `/var/scheduling_feedback.txt`. + vfs_file_t *file = vfs_open(namef, O_RDWR, mode); + + if (file == NULL) { + printf("Error: Failed to open feedback file."); + } + + for(int i=0; i < MAX_STORAGE; i++) + { + itoa(temp,PID_BUFFER[i],10); + offset += vfs_write(file, temp, offset, sizeof(char)*countChar(temp)); + offset += vfs_write(file, " ", offset, sizeof(char)*3); + offset += vfs_write(file, PID_NAME[i], offset, sizeof(char)*countChar(PID_NAME[i])); + offset += vfs_write(file, "\n", offset, sizeof(char)); + //ripristino array temp + for(int j=0; j < 5; j++) + { + temp[j] = 0; + } + + } + printf("End Recording\n"); + vfs_close(file); + count = 0; } - - if(count2%10 == 0) - { - if(flag == 1 && pid != 1 && pid != 2) - { - //printf("%s con %d caratteri\n",name,countChar(name)); - //printf("%s\n",start); - //printf("%i\n",pid); - //printf("Ho stampato: %s\n", name); - } - } - count2++; - - - //ROBA PER LAVORARE SUI FILE - /* - mode_t mode = 000777; - char buffer[BUFFER_SIZE]; - const char *name = "/home/user/feedback.txt"; - - // NOTE: You should check if the file exists, or create it, during the boot - // phase of the system. Choose a place where to put it, a location like - // `/var/scheduling_feedback.txt`. - vfs_file_t *file = vfs_open(name, O_RDWR, mode); - - if (file == NULL) { - printf("Error: Failed to open feedback file."); - return 0; - } - - // NOTE: You need also to save the offset where you are reading or writing - // the file. You are not using the simplified read() or write(), this one is - // a kernel-side function. - ssize_t offset = 0; - buffer[0] = 'P'; - buffer[1] = 'i'; - buffer[2] = 'd'; - buffer[3] = '\0'; - vfs_write(file, buffer, offset, 2); - - //write to file - //vfs_write(file,"ciao",4); - vfs_close(file); - } - */ }