From 2d9fc4fb69751fd914a4bfe3a0bd9289487bd638 Mon Sep 17 00:00:00 2001
From: MayaTheShy <mayatheshy@gmail.com>
Date: Sat, 8 Nov 2025 19:22:08 -0500
Subject: [PATCH] feat: add probeDomain function for TCP reachability checks on
 discovered domains

---
 src/DomainDiscovery.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/DomainDiscovery.hpp b/src/DomainDiscovery.hpp
index 614736a..7af2398 100644
--- a/src/DomainDiscovery.hpp
+++ b/src/DomainDiscovery.hpp
@@ -16,3 +16,7 @@ std::vector<DiscoveredDomain> discoverDomains(int maxDomains = 25);
 
 // Exposed for tests: parse a directory JSON payload into candidate domains.
 std::vector<DiscoveredDomain> parseDomainsFromJson(const std::string& json);
+
+// Probe a domain for TCP reachability on its httpPort (non-blocking, short timeout).
+// Returns true if the domain appears reachable (TCP connect succeeds or is in progress).
+bool probeDomain(const DiscoveredDomain& domain, int timeoutMs = 800);