fix server crashing at client exit

server/server.c

@@ -10,8 +10,6 @@
 #include "bool.h"
 
 void start(int port) {
-
-	bool needToStop = false;
 	int server_fd, new_socket, valread;
 	struct sockaddr_in address;
 	int opt = 1;
@@ -44,21 +42,33 @@ void start(int port) {
 		exit(EXIT_FAILURE);
 	}
 	printf("Listening on port %d\n", port);
-	if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
-		perror("accept");
-		exit(EXIT_FAILURE);
-	}
-
-	while (!needToStop) {
-		memset(bufferIn, 0, BUFFER_SIZE);
-		memset(bufferOut, 0, BUFFER_SIZE);
 
-		recv(new_socket, bufferIn, BUFFER_SIZE, 0);
-        handleClientRequest(bufferIn, bufferOut);
-        printf("CLIENT : %s\n",bufferIn);
-        printf("SERVER : %s\n",bufferOut);
-		send(new_socket, bufferOut, BUFFER_SIZE, 0);
+	while (true) {
+
+		if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
+			perror("accept");
+			exit(EXIT_FAILURE);
+		}
+
+        printf("Client connected\n");
+
+		while (true) {
+			memset(bufferIn, 0, BUFFER_SIZE);
+			memset(bufferOut, 0, BUFFER_SIZE);
+
+			recv(new_socket, bufferIn, BUFFER_SIZE, 0);
+			if(strcmp(bufferIn,"exit") == 0){
+                break;
+            }
+            handleClientRequest(bufferIn, bufferOut);
+			printf("CLIENT : %s\n", bufferIn);
+			printf("SERVER : %s\n", bufferOut);
+			send(new_socket, bufferOut, BUFFER_SIZE, 0);
+		}
+		printf("Client disconnected\n\n");
+        close(new_socket);
 	}
+    close(server_fd);
 }
 
 void handleClientRequest(char *bufferIn, char *bufferOut) {
@@ -68,13 +78,13 @@ void handleClientRequest(char *bufferIn, char *bufferOut) {
 		break;
 
 	case '2':
-        handleClientRequestSort(bufferIn, bufferOut);
+		handleClientRequestSort(bufferIn, bufferOut);
 		break;
 	}
 }
 
 void handleClientRequestSize(char *bufferIn, char *bufferOut) {
-	int len = strlen(bufferIn)-2;
+	int len = strlen(bufferIn) - 2;
 	sprintf(bufferOut, "%d", len);
 }