From 5756c775a22534d689dccc5e9db92409fea09919 Mon Sep 17 00:00:00 2001
From: Moncef STITI <moncef.stiti@etu.u-pec.fr>
Date: Tue, 3 Dec 2024 18:52:56 +0100
Subject: [PATCH] =?UTF-8?q?Correction=20de=20la=20g=C3=A9n=C3=A9ration=20d?=
=?UTF-8?q?e=20montants=20de=20transfert=20et=20am=C3=A9lioration=20de=20l?=
=?UTF-8?q?a=20gestion=20des=20temporisations=20al=C3=A9atoires?=
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---
Secured/secured_transaction.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/Secured/secured_transaction.c b/Secured/secured_transaction.c
index b8e70b0..0ba3338 100644
--- a/Secured/secured_transaction.c
+++ b/Secured/secured_transaction.c
@@ -63,7 +63,7 @@ void perform_transaction(int fd, int account_count) {
// Calculer un montant aléatoire à transférer (max 20% du solde source)
int max_transfer = from_balance / 5;
if (max_transfer > 0) {
- int transfer_amount = rand() % max_transfer;
+ int transfer_amount = rand() % max_transfer + 1;
// Effectuer la transaction
from_balance -= transfer_amount;
@@ -89,7 +89,7 @@ void process_transactions(int transactions, int account_count) {
for (int i = 0; i < transactions; i++) {
perform_transaction(fd, account_count);
- //usleep(rand() % 100000); // Temporisation aléatoire
+ usleep(rand() % 100000); // Temporisation aléatoire
}
close(fd);
@@ -127,7 +127,8 @@ int main(int argc, char *argv[]) {
int num_processes = atoi(argv[1]);
int transactions_per_process = atoi(argv[2]);
- srand(time(NULL));
+ unsigned int seed = getpid() ^ time(NULL);
+ int random_value = rand_r(&seed);
// Calcul du solde total initial
int initial_balance = calculate_total_balance();