From 967be9e750221ab2ab783f95df79bb26d290a45e Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:07:58 +0200
Subject: add: added projects

---
 bittorrent/epoll_server/connection.c | 58 ++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 bittorrent/epoll_server/connection.c

(limited to 'bittorrent/epoll_server/connection.c')

diff --git a/bittorrent/epoll_server/connection.c b/bittorrent/epoll_server/connection.c
new file mode 100644
index 0000000..62560c5
--- /dev/null
+++ b/bittorrent/epoll_server/connection.c
@@ -0,0 +1,58 @@
+#include "connection.h"
+
+#include <err.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "utils/xalloc.h"
+
+struct connection_t *add_client(struct connection_t *head, int client_socket)
+{
+    struct connection_t *new_connection = xmalloc(sizeof(struct connection_t));
+
+    new_connection->client_socket = client_socket;
+    new_connection->buffer = NULL;
+    new_connection->nb_read = 0;
+    new_connection->next = head;
+
+    return new_connection;
+}
+
+struct connection_t *remove_client(struct connection_t *head, int client_socket)
+{
+    if (head && head->client_socket == client_socket)
+    {
+        struct connection_t *client_connection = head->next;
+        if (close(head->client_socket) == -1)
+            err(EXIT_FAILURE, "Failed to close socket");
+        free(head->buffer);
+        free(head);
+        return client_connection;
+    }
+
+    struct connection_t *tmp = head;
+    while (tmp->next)
+    {
+        if (tmp->next->client_socket == client_socket)
+        {
+            struct connection_t *client_connection = tmp->next;
+            tmp->next = client_connection->next;
+            if (close(client_connection->client_socket) == -1)
+                err(EXIT_FAILURE, "Failed to close socket");
+            free(client_connection->buffer);
+            free(client_connection);
+            break;
+        }
+        tmp = tmp->next;
+    }
+
+    return head;
+}
+
+struct connection_t *find_client(struct connection_t *head, int client_socket)
+{
+    while (head != NULL && head->client_socket != client_socket)
+        head = head->next;
+
+    return head;
+}
-- 
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