From e25d50713172728ba4a9508cb3efbb936b58a57a Mon Sep 17 00:00:00 2001
From: Gianluca <gianlucamastrolonardo10@gmail.com>
Date: Thu, 23 May 2024 22:17:25 +0200
Subject: [PATCH] finito
---
Reti/Laboratorio/Assigment5/Calculator/client | Bin 16800 -> 16800 bytes
.../Assigment5/Calculator/client.c | 6 ++--
Reti/Laboratorio/Assigment5/Calculator/server | Bin 16840 -> 16848 bytes
.../Assigment5/Calculator/server.c | 28 +++++++++++++++++-
4 files changed, 31 insertions(+), 3 deletions(-)
diff --git a/Reti/Laboratorio/Assigment5/Calculator/client b/Reti/Laboratorio/Assigment5/Calculator/client
index 9370d342872f7b132d6304237f6d97e5426ea6a7..c4ff7f692ae0b5232f9826502fb0731db98b29f6 100755
GIT binary patch
delta 1017
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delta 924
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diff --git a/Reti/Laboratorio/Assigment5/Calculator/client.c b/Reti/Laboratorio/Assigment5/Calculator/client.c
index 02a6abf..6a7bff6 100644
--- a/Reti/Laboratorio/Assigment5/Calculator/client.c
+++ b/Reti/Laboratorio/Assigment5/Calculator/client.c
@@ -97,9 +97,11 @@ int main(int argc, char *argv[]) {
printf("Inserire il valore da voler inviare al server con il formato num "
"num operator: ");
scanf("%d %d %c", &num1, &num2, &operator);
- if (valueToSend[0] == '\0') {
- fprintf(stderr, "Impossibile inviare una riga vuota!");
+ if (num2 == 0 && operator== '/') {
+ fprintf(stderr, "Impossibile dividere per zero!");
} else {
+ snprintf(valueToSend, sizeof(valueToSend), "%d %d %c", num1,
+ num2, operator);
write(simpleSocket, valueToSend, strlen(valueToSend));
read(simpleSocket, valueToReceive, sizeof(valueToReceive));
printf("\n\nEcho: %s\n", valueToReceive);
diff --git a/Reti/Laboratorio/Assigment5/Calculator/server b/Reti/Laboratorio/Assigment5/Calculator/server
index ca77de42d76d51f4fb7d79f062bba3f5669284ca..a7cf889c46686a1c9befaca3fb4f851061b36c20 100755
GIT binary patch
delta 2143
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delta 1663
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diff --git a/Reti/Laboratorio/Assigment5/Calculator/server.c b/Reti/Laboratorio/Assigment5/Calculator/server.c
index 01e11ec..f3ed872 100644
--- a/Reti/Laboratorio/Assigment5/Calculator/server.c
+++ b/Reti/Laboratorio/Assigment5/Calculator/server.c
@@ -101,9 +101,35 @@ int main(int argc, char *argv[]) {
memset(valueToRead, '\0', sizeof(valueToRead));
memset(valueToSend, '\0', sizeof(valueToSend));
+ int num1;
+ int num2;
+ char operator;
+ float result;
+
// Leggo il valore ricevuto dal client e gli restituisco la lunghezza
read(simpleChildSocket, valueToRead, sizeof(valueToRead));
- snprintf(valueToSend, sizeof(valueToSend), "%zu", strlen(valueToRead));
+ sscanf(valueToRead, "%d %d %c", &num1, &num2, &operator);
+ printf("%d %d %c\n", num1, num2, operator);
+
+ switch (operator) {
+ case '+':
+ result = num1 + num2;
+ break;
+ case '-':
+ result = num1 - num2;
+ break;
+ case '/':
+ result = (float)num1 / (float)num2;
+ break;
+ case '*':
+ result = num1 * num2;
+ break;
+ default:
+ fprintf(stderr, "Errore, operatore non valido");
+ exit(1);
+ }
+
+ snprintf(valueToSend, sizeof(valueToSend), "%f", result);
write(simpleChildSocket, valueToSend, sizeof(valueToSend));
}
--
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