fix dns resolver discard_cache (#497)

Signed-off-by: liulanzheng <lanzheng.liulz@alibaba-inc.com>
alibaba · May 30, 2024 · 2244d0d · 2244d0d
1 parent 40507a6
commit 2244d0d
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/net/utils.cpp b/net/utils.cpp
@@ -304,8 +304,10 @@ class DefaultResolver : public Resolver {
 
  void discard_cache(const char *host, IPAddr ip) override {
  auto ipaddr = dnscache_.borrow(host);
- if (ip.undefined() || ipaddr->empty()) ipaddr.recycle(true);
- else {
+ if (ip.undefined() || ipaddr->empty()) {
+ ipaddr->delete_all();
+ ipaddr.recycle(true);
+ } else {
  for (auto itr = ipaddr->rbegin(); itr != ipaddr->rend(); itr++) {
  if ((*itr)->addr == ip) {
  ipaddr->erase(*itr);