From 9970a2275a56d7835ba0c12a8586dc25cf7ec1cf Mon Sep 17 00:00:00 2001
From: scratko <m@scratko.xyz>
Date: Sun, 18 Aug 2024 01:33:08 +0300
Subject: Global fixes v4.0

Removed unnecessary comments.
Added resource cleanup for client and server.
Changed queue display.
Added player indicator.
It's possible to quit the game while typing or waiting for a connection.
Fixed a bug with determining the limit of card tossing.
---
 client/client.c | 42 +++++++++++++++++++++++++++++++-----------
 1 file changed, 31 insertions(+), 11 deletions(-)

(limited to 'client/client.c')

diff --git a/client/client.c b/client/client.c
index 5d49e1a..66bfb01 100644
--- a/client/client.c
+++ b/client/client.c
@@ -4,7 +4,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h> /* test */
+#include <stdio.h> /* for debug */
 
 #include "client.h"
 #include "data_decryption.h"
@@ -12,7 +12,13 @@
 #include "verification_client_input.h"
 
 static const char *ip = "127.0.0.1";
-static const int port = 8082;
+static const int port = 1025;
+
+static void clean_up_resources(struct client *cl)
+{
+    free(cl->cc.number_arr);
+    clear_stack(&cl->deck);
+}
 
 static void get_data_from_server(struct client *cl, fd_set *readfds)
 {
@@ -24,9 +30,12 @@ static void get_data_from_server(struct client *cl, fd_set *readfds)
     if(FD_ISSET(cl->fd, readfds)) {
         if(!cl->data_left_in_buffer) {
             cl->data_left_in_buffer = read(cl->fd, cl->buffer, max_buffer_size);
-            /* end of file -- closed connection */
-            if(!cl->data_left_in_buffer)
+            /* end of file -- closed connection (from server) */
+            if(!cl->data_left_in_buffer) {
+                clean_up_resources(cl);
+                pgf_disconnect();
                 exit(0);
+            }
 #ifdef DEBUG
             printf("%d\n", cl->data_left_in_buffer);
             for(i = 0; i < cl->data_left_in_buffer; ++i)
@@ -47,13 +56,13 @@ static void get_data_from_server(struct client *cl, fd_set *readfds)
             cl->total_players = decrypt_get_number(end_p+1, &end_p);
             break;
         case display_only_table:
-        case attack:
-        case defense:
         case tossing_expectation:
         case tossing:
             /* last arg will contain pointer to '\n' */
             decrypt_set_base_info(cl, end_p+1, &end_p);
             break;
+        case attack:
+        case defense:
         case attack_expectation:
             decrypt_set_base_info(cl, end_p+1, &end_p);
             decrypt_set_position_whose_turn(cl, end_p+1, &end_p);
@@ -163,14 +172,26 @@ static void change_client_frame(struct client *cl)
     }
 }
 
+static int check_users_exti(enum client_states state, const char *buffer,
+                            int size)
+{
+    if((state == first_player || state == confirmation_waiting) &&
+            size == 2 && (buffer[0] == 'q' && buffer[1] == '\n'))
+        return 1;
+
+    return size == 3 && !strncmp(buffer, "qq", 2) && buffer[2] == '\n';
+}
+
 static void send_data_to_server(struct client *cl, fd_set *readfds)
 {
-    int input_result = 0;
+    int input_result = 0, data_size;
 
     if(FD_ISSET(0, readfds)) { /* 0 - stdin */
-        read(0, cl->buffer, max_buffer_size);
-        if(cl->buffer[0] == 'q' && cl->buffer[1] == 'q') {
+        data_size = read(0, cl->buffer, max_buffer_size);
+        if(check_users_exti(cl->state, cl->buffer, data_size)) {
             close(cl->fd);
+            clean_up_resources(cl);
+            pgf_disconnect();
             exit(0);
         }
 
@@ -202,6 +223,7 @@ static int check_tracking_client_input(enum client_states state,
         return 0;
 
     switch(state) {
+    case first_player:
     case confirmation_waiting:
     case attack:
     case defense:
@@ -246,9 +268,7 @@ static void init_client(struct client *cl)
     cl->total_cards_left = 0;
     cl->player_position = 0;
     cl->cc.number_arr = NULL;
-#if 0
     cl->cc.number_arr_idx = -1;
-#endif
     cl->cot.card_arr_idx = -1;
     cl->deck = NULL;
     cl->pending_server_response = 0;
-- 
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