-r is working

This commit is contained in:
elvis
2022-04-27 21:18:25 +02:00
parent 5151418090
commit 8841ca95a0
8 changed files with 65 additions and 43 deletions

View File

@ -5,7 +5,7 @@ INCLUDES := $(patsubst %,-I %,$(INCDIR))
LDFLAGS = -L . -lm LDFLAGS = -L . -lm
OPTFLAGS = #-O3 OPTFLAGS = #-O3
LIBS = -lpthread LIBS = -lpthread
SOCKET = ./cs_sock SOCKET = ./socket
BUILD_DIR = ./build BUILD_DIR = ./build
SRC_DIR = ./src SRC_DIR = ./src

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@ -70,7 +70,7 @@ typedef struct recivedFile_s {
typedef struct response_s { typedef struct response_s {
char ME[2]; // response char ME[2]; // response
int meerrno; // errno if sent int meerrno; // errno if sent
int numfiles; // number of files if sent int64_t numfiles; // number of files if sent
recivedFile_t *rf; // array of files recivedFile_t *rf; // array of files
} response_t; } response_t;
@ -196,8 +196,8 @@ int openFile(const char* pathname, int flags) {
errno = ENOTCONN; errno = ENOTCONN;
return -1; return -1;
} }
if(isOpen(pathname, flags)) { // already open if(isOpen(pathname, flags) == 1) { // already open
return -1; return 0;
} }
// invio al server la stringa "openFile|$(pathname)|$(flags)" // invio al server la stringa "openFile|$(pathname)|$(flags)"
@ -437,7 +437,7 @@ int readNFiles(int N, const char* dirname) {
} }
// invio al server la stringa "readNFile|$(N)" // invio al server la stringa "readNFile|$(N)"
long len = strlen("readNFile")+1+((int)log10(N)+1)+1; long len = strlen("readNFile")+1+((int)log10((N?N:1))+1)+1;
char *cmd = malloc(len); char *cmd = malloc(len);
if(!cmd) { if(!cmd) {
perror("malloc"); perror("malloc");
@ -567,14 +567,13 @@ int writeFile(const char* pathname, const char* dirname) {
} }
// invio al server la stringa "writeFile|$(pathname)|$(size)" // invio al server la stringa "writeFile|$(pathname)|$(size)"
long len = strlen("writeFile")+1+strlen(pathname)+1+((int) log10(size)+1)+1; long len = strlen("writeFile")+1+strlen(pathname)+1+((int) log10(size?size:1)+1)+1;
char *cmd = malloc(len); char *cmd = calloc(len, sizeof(char));
if(!cmd) { if(!cmd) {
perror("malloc"); perror("calloc");
free(content); free(content);
return -1; return -1;
} }
memset(cmd, 0, len);
snprintf(cmd, len, "writeFile|%s|%zu", pathname, size); snprintf(cmd, len, "writeFile|%s|%zu", pathname, size);
len = strnlen(cmd, len); len = strnlen(cmd, len);
@ -1200,12 +1199,18 @@ int reciveData(response_t *res, int expected) {
// ok response // ok response
res->meerrno = 0; res->meerrno = 0;
// get number of files sent // get number of files sent
readnres = readn(fd_skt, &res->numfiles, sizeof(int)); readnres = readn(fd_skt, &res->numfiles, sizeof(int64_t));
if(readnres<=0) // readn sets errno if(readnres<=0) // readn sets errno
return -1; return -1;
if(res->rf) if(res->rf)
free(res->rf); free(res->rf);
if(res->numfiles < 0) {
errno = EINVAL;
return -1;
}
res->rf = calloc(res->numfiles, sizeof(recivedFile_t)); res->rf = calloc(res->numfiles, sizeof(recivedFile_t));
if(!res->rf){ if(!res->rf){
perror("calloc"); perror("calloc");
@ -1513,7 +1518,7 @@ int isOpen(const char *pathname, const int flags) {
files_t *tmp = openedFiles->f; files_t *tmp = openedFiles->f;
while(tmp) { while(tmp) {
if(strcmp(tmp->filename, pathname) == 0 && (tmp->locked==(flags&O_LOCK))) if(strcmp(tmp->filename, pathname) == 0 && (tmp->locked || !(flags&O_LOCK)))
return 1; return 1;
tmp = tmp->next; tmp = tmp->next;
} }

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@ -63,8 +63,7 @@ size_t taglia_write(taglia_t *taglia, char *buf) {
} }
size_t n = 0; size_t n = 0;
pthread_mutex_lock(&taglia->m); pthread_mutex_lock(&taglia->m);
if ((n = fwrite(buf, sizeof(char), strlen(buf)+1, taglia->file)) < 0) { if ((n = fwrite(buf, sizeof(char), strlen(buf), taglia->file)) < 0) {
// strlen conta il numero di caratteri senza EOF quindi aggiungiamo 1
perror("fwrite"); perror("fwrite");
goto _error_write; goto _error_write;
} }
@ -111,8 +110,7 @@ size_t taglia_log(taglia_t *taglia, char *buf) {
goto _error_taglia_log_mutex; goto _error_taglia_log_mutex;
} }
if((m = fwrite(buf, sizeof(char), strlen(buf)+1, taglia->file)) < 0){ if((m = fwrite(buf, sizeof(char), strlen(buf), taglia->file)) < 0){
// strlen conta il numero di caratteri senza EOF quindi aggiungiamo 1
perror("ERROR: fwrite"); perror("ERROR: fwrite");
goto _error_taglia_log_mutex; goto _error_taglia_log_mutex;
} }

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@ -35,7 +35,7 @@ void serror(char *m, long fd_c, taglia_t *taglia, char *mlog) {
errno = EINVAL; errno = EINVAL;
m = MESY; m = MESY;
} }
if(writen(fd_c, m, strnlen(m, MAXLENMESS)+1) < 0) { if(writen(fd_c, m, strnlen(m, MAXLENMESS)) < 0) {
perror("writen"); perror("writen");
goto _serror_cleanup; goto _serror_cleanup;
} }
@ -126,17 +126,25 @@ void sendMessageFile(char *m, fileT *f, long fd_c, taglia_t *taglia, char *mlog)
m = MEFP; m = MEFP;
} }
if(writen(fd_c, m, strnlen(m, MAXLENMESS)+1) < 0) { if(writen(fd_c, m, strnlen(m, MAXLENMESS)) < 0) {
perror("writen"); perror("writen");
goto _sendMF_cleanup; goto _sendMF_cleanup;
} }
int n = 1; int64_t *n = calloc(1, sizeof(*n));
if(writen(fd_c, &n, sizeof(n)) < 0) { if(n==NULL) {
perror("calloc");
goto _sendMF_cleanup;
}
*n = 1;
if(writen(fd_c, n, sizeof(int64_t)) < 0) {
perror("writen"); perror("writen");
goto _sendMF_cleanup; goto _sendMF_cleanup;
} }
free(n);
if(sendFile(f, fd_c, taglia) < 0) { if(sendFile(f, fd_c, taglia) < 0) {
perror("sendFile"); perror("sendFile");
goto _sendMF_cleanup; goto _sendMF_cleanup;
@ -166,7 +174,7 @@ void sendMessageFileN(char *m, fileT **f, int n, long fd_c, taglia_t *taglia, ch
m = MEFP; m = MEFP;
} }
if(writen(fd_c, m, strnlen(m, MAXLENMESS)+1) < 0) { if(writen(fd_c, m, strnlen(m, MAXLENMESS)) < 0) {
perror("writen"); perror("writen");
goto _sendMFN_cleanup; goto _sendMFN_cleanup;
} }
@ -208,8 +216,8 @@ void openFile(char *filepath, int flags, queueT *q, long fd_c, taglia_t *taglia)
} }
int found = searchFile(q, filepath); // cerco il file nella queue int found = searchFile(q, filepath); // cerco il file nella queue
int create = flags & 0x1; // also %2 int create = (flags & C_CREATE)?1:0; // also %2
int lock = flags >> 1 & 0x1; // also >>1%2 int lock = (flags & C_LOCK)?1:0; // also >>1%2
fileT *removed = NULL; // file che è stato rimosso fileT *removed = NULL; // file che è stato rimosso
if(found && create) { // si vuole creare il file ma esiste già if(found && create) { // si vuole creare il file ma esiste già
@ -321,8 +329,8 @@ void readFile(char *filepath, queueT *q, long fd_c, taglia_t *taglia) {
return; return;
} }
if(f->open != 0) { // file already open if(f->open == 0) { // file not already open
n += snprintf(tmp_buf+n, m-n, "Client %ld ha richiesto una readFile sul file \"%s\" e' terminata con errore\n", fd_c, filepath); n += snprintf(tmp_buf+n, m-n, "Client %ld ha richiesto una readFile sul file \"%s\" e' terminata con errore, file non aperto\n", fd_c, filepath);
errno = EPERM; errno = EPERM;
serror(MENT, fd_c, taglia, tmp_buf); serror(MENT, fd_c, taglia, tmp_buf);
destroyFile(f); // f is a copy so we need to cleen up destroyFile(f); // f is a copy so we need to cleen up
@ -395,9 +403,11 @@ void writeFile(char *filepath, size_t size, queueT *q, long fd_c, taglia_t *tagl
return; return;
} }
// cerco il file // cerco il file
fileT *f = NULL; fileT *f = NULL;
f = find(q, filepath); f = find(q, filepath);
if(!f) { // file is not present if(!f) { // file is not present
n += snprintf(tmp_buf+n, m-n, "Client %ld ha richiesto una writeFile (append = %x) sul file \"%s\", dimensione = %ld, e' terminata con errore, file non trovato\n", fd_c, append, filepath, size); n += snprintf(tmp_buf+n, m-n, "Client %ld ha richiesto una writeFile (append = %x) sul file \"%s\", dimensione = %ld, e' terminata con errore, file non trovato\n", fd_c, append, filepath, size);
errno = ENOENT; errno = ENOENT;

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@ -8,6 +8,10 @@
#include <taglialegna.h> #include <taglialegna.h>
/* TODO: finire tutte le descrizioni */ /* TODO: finire tutte le descrizioni */
#define C_CREATE 1
#define C_LOCK 2
// Lista dei client in attesa su una lock // Lista dei client in attesa su una lock
typedef struct struct_waiting { typedef struct struct_waiting {
long fd; // client in attesa long fd; // client in attesa
@ -15,6 +19,7 @@ typedef struct struct_waiting {
struct struct_waiting *next; // puntatore al prossimo elemento della lista struct struct_waiting *next; // puntatore al prossimo elemento della lista
} waiting_t; } waiting_t;
/** /**
* Apri o crea un nuovo file * Apri o crea un nuovo file
* \param filepath: nome del file * \param filepath: nome del file

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@ -1,10 +1,12 @@
#define _POSIX_C_SOURCE 200809L
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h>
#include <fileQueue.h> #include <fileQueue.h>
#include <util.h> #include <util.h>
#define MAXNAMELEN 256 #define MAXNAMELEN 512
// creazione di un fileT // creazione di un fileT
fileT* createFileT(char *f, int O_LOCK, int client, int open){ fileT* createFileT(char *f, int O_LOCK, int client, int open){
@ -26,13 +28,13 @@ fileT* createFileT(char *f, int O_LOCK, int client, int open){
file->size = 0; file->size = 0;
file->valid = 0; file->valid = 0;
if ((file->filepath = malloc(sizeof(char)*MAXNAMELEN)) == NULL) { if ((file->filepath = calloc(strnlen(f, MAXNAMELEN)+1, sizeof(char))) == NULL) {
perror("Malloc filepath"); perror("Malloc filepath");
destroyFile(file); destroyFile(file);
return NULL; return NULL;
} }
strncpy(file->filepath, f, MAXNAMELEN); strncpy(file->filepath, f, strnlen(f, MAXNAMELEN));
// in seguito semplicemente facciamo realloc // in seguito semplicemente facciamo realloc
if ((file->data = malloc(1)) == NULL) { if ((file->data = malloc(1)) == NULL) {
@ -49,6 +51,8 @@ int writeFileT(fileT *f, void *data, size_t size) {
return -1; return -1;
} }
size = (size == 0)?1:size;
if ((f->data = realloc(f->data, f->valid + size)) == NULL) { if ((f->data = realloc(f->data, f->valid + size)) == NULL) {
perror("Realloc content"); perror("Realloc content");
return -1; return -1;
@ -147,7 +151,6 @@ int enqueue(queueT *q, fileT* data) {
++q->len; ++q->len;
q->size += data->size; q->size += data->size;
UNLOCK_RETURN(&q->m, -1); // end me UNLOCK_RETURN(&q->m, -1); // end me
return 0; return 0;
@ -318,17 +321,14 @@ int printQueue(FILE *stream, queueT *q) {
LOCK_RETURN(&q->m, -1); // begin me LOCK_RETURN(&q->m, -1); // begin me
UNLOCK_RETURN(&q->m, -1);
return 0;
nodeT *tmp = q->head; nodeT *tmp = q->head;
fprintf(stream, "Lista file:"); fprintf(stream, "Lista file:\n");
fprintf(stream, "[Nome File] -> Dimensione in MB"); fprintf(stream, "[Nome File] -> Dimensione in MB\n");
while (tmp!=NULL) { while (tmp!=NULL) {
float res = ((float)(tmp->data)->size)/1000000; // in MB float res = ((float)(tmp->data)->size)/1000000; // in MB
// float res = ((float)(tmp->data)->valid)/1000000; // in MB // float res = ((float)(tmp->data)->valid)/1000000; // in MB
fprintf(stream, "[%s]\t-> %f MB\n", (tmp->data)->filepath, res); fprintf(stream, "[%s] -> %f MB\n", (tmp->data)->filepath, res);
tmp = tmp->next; tmp = tmp->next;
} }
@ -755,6 +755,8 @@ fileT* find(queueT *q, char *filepath) {
goto _end_find_in_queue; goto _end_find_in_queue;
} }
UNLOCK_RETURN(&q->m, NULL); // end me UNLOCK_RETURN(&q->m, NULL); // end me
return res; return res;

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@ -26,9 +26,9 @@
static inline int readn(long fd, void *buf, size_t size) { static inline int readn(long fd, void *buf, size_t size) {
size_t left = size; size_t left = size;
int r; int r;
char *bufptr = (char*)buf; char *bufptr = (char*) buf;
while(left>0) { while(left>0) {
if ((r=read(fd ,bufptr,left)) == -1) { if ((r=read(fd, bufptr, left)) == -1) {
if (errno == EINTR) continue; if (errno == EINTR) continue;
return -1; return -1;
} }
@ -48,7 +48,7 @@ static inline int readn(long fd, void *buf, size_t size) {
static inline int writen(long fd, void *buf, size_t size) { static inline int writen(long fd, void *buf, size_t size) {
size_t left = size; size_t left = size;
int r; int r;
char *bufptr = (char*)buf; char *bufptr = (char*) buf;
while(left>0) { while(left>0) {
if ((r=write(fd, bufptr, left)) == -1) { if ((r=write(fd, bufptr, left)) == -1) {
if (errno == EINTR) continue; if (errno == EINTR) continue;

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@ -601,13 +601,13 @@ int cmd_W(char *filelist, char *Dir, int print) {
opened = 1; opened = 1;
} }
if (opened && writeFile(token, Dir) == -1) { if (opened && (writeFile(token, Dir) == -1)) {
ok = 0; ok = 0;
} }
if (opened && !ok) { // errore precedente -> elimino il file vuoto if (opened && !ok) { // errore precedente -> elimino il file vuoto
removeFile(token); removeFile(token);
} else if (opened && closeFile(token) == -1) { // chiudo il file } else if (opened && (closeFile(token) == -1)) { // chiudo il file
ok = 0; ok = 0;
} }
@ -671,9 +671,11 @@ int cmd_r(char *filelist, char *dir, int print) {
void *buf = NULL; void *buf = NULL;
size_t size = -1; size_t size = -1;
// printInfo(0, stdout); printInfo(0, stdout);
// read the content of the file // read the content of the file
if (ok && readFile(token, &buf, &size) == -1) { if (ok && readFile(token, &buf, &size) == -1) {
fprintf(stdout, "\nreadFile\n");
fflush(stdout);
ok = 0; ok = 0;
} }
if (print) { if (print) {
@ -689,6 +691,8 @@ int cmd_r(char *filelist, char *dir, int print) {
// close the file // close the file
if (opened && closeFile(token) == -1) { if (opened && closeFile(token) == -1) {
fprintf(stdout, "\ncloseFile\n");
fflush(stdout);
ok = 0; ok = 0;
} }
if (print) { if (print) {
@ -696,9 +700,7 @@ int cmd_r(char *filelist, char *dir, int print) {
if (ok) { if (ok) {
printf("ok"); printf("ok");
} } else {
else {
printf("errore"); printf("errore");
perror("-r"); perror("-r");
} }