From d46f617b4a619bedbc7e703b3b68664f9e1179e2 Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Thu, 29 Aug 2024 16:45:28 +0900
Subject: [PATCH] Print connecting peer's address

---
 src/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main.c b/src/main.c
index 18aacfc..0f0730a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -72,6 +72,14 @@ int main(int argc, char **argv) {
       printf("WARNING: accept: errno %d\n", errno);
     } else if (ret >= 0) {
       // Received connection, handle it.
+      printf("Peer connected: addr is ");
+      for (unsigned int idx = 0; idx < 16; ++idx) {
+        if (idx % 2 == 0 && idx > 0) {
+          printf(":");
+        }
+        printf("%02x", peer_info.sin6_addr.s6_addr[idx]);
+      }
+      puts("");
       int connection_fd = ret;
       read_ret = read(connection_fd, recv_buf, C_SIMPLE_HTTP_RECV_BUF_SIZE);
       // DEBUG print received buf.