From 5ff1d0052bf301be5d76f3be89034d267a22e385 Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Fri, 7 Jul 2023 17:16:02 +0200
Subject: [PATCH] dnsdist: Remove unused function in outgoing DoH

---
 pdns/dnsdistdist/dnsdist-nghttp2.cc | 32 -----------------------------
 1 file changed, 32 deletions(-)

diff --git a/pdns/dnsdistdist/dnsdist-nghttp2.cc b/pdns/dnsdistdist/dnsdist-nghttp2.cc
index 9b774f0ed4..0aad871208 100644
--- a/pdns/dnsdistdist/dnsdist-nghttp2.cc
+++ b/pdns/dnsdistdist/dnsdist-nghttp2.cc
@@ -94,7 +94,6 @@ private:
     uint16_t d_responseCode{0};
     bool d_finished{false};
   };
-  void addToIOState(IOState state, FDMultiplexer::callbackfunc_t callback);
   void updateIO(IOState newState, FDMultiplexer::callbackfunc_t callback, bool noTTD = false);
   void watchForRemoteHostClosingConnection();
   void handleResponse(PendingRequest&& request);
@@ -512,37 +511,6 @@ void DoHConnectionToBackend::watchForRemoteHostClosingConnection()
   }
 }
 
-void DoHConnectionToBackend::addToIOState(IOState state, FDMultiplexer::callbackfunc_t callback)
-{
-  struct timeval now
-  {
-    .tv_sec = 0, .tv_usec = 0
-  };
-
-  gettimeofday(&now, nullptr);
-  boost::optional<struct timeval> ttd{boost::none};
-  if (state == IOState::NeedRead) {
-    ttd = getBackendReadTTD(now);
-  }
-  else if (isFresh() && d_firstWrite == 0) {
-    /* first write just after the non-blocking connect */
-    ttd = getBackendConnectTTD(now);
-  }
-  else {
-    ttd = getBackendWriteTTD(now);
-  }
-
-  auto shared = std::dynamic_pointer_cast<DoHConnectionToBackend>(shared_from_this());
-  if (shared) {
-    if (state == IOState::NeedRead) {
-      d_ioState->add(state, callback, shared, ttd);
-    }
-    else if (state == IOState::NeedWrite) {
-      d_ioState->add(state, callback, shared, ttd);
-    }
-  }
-}
-
 ssize_t DoHConnectionToBackend::send_callback(nghttp2_session* session, const uint8_t* data, size_t length, int flags, void* user_data)
 {
   DoHConnectionToBackend* conn = reinterpret_cast<DoHConnectionToBackend*>(user_data);
-- 
2.47.2