Major Description
After using TSHttpTxnServerAddrSet to route requests to a specific destination, you might change your mind and decide to allow an internal DNS lookup.
I propose that we allow TSHttpTxnServerAddrSet to take a NULL argument to clear and API DNS result that was previously set.
diff --git a/proxy/InkAPI.cc b/proxy/InkAPI.cc index 5772c12..362bf32 100644 --- a/proxy/InkAPI.cc +++ b/proxy/InkAPI.cc @@ -5336,6 +5336,13 @@ TSHttpTxnServerAddrSet(TSHttpTxn txnp, struct sockaddr const *addr) sdk_assert(sdk_sanity_check_txn(txnp) == TS_SUCCESS); HttpSM *sm = reinterpret_cast<HttpSM *>(txnp); + + if (addr == NULL) { + sm->t_state.api_server_addr_set = false; + sm->t_state.server_info.dst_addr.setToAnyAddr(AF_INET); + return TS_SUCCESS; + } + if (ats_ip_copy(&sm->t_state.server_info.dst_addr.sa, addr)) { sm->t_state.api_server_addr_set = true; return TS_SUCCESS;