diff options
Diffstat (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc')
-rw-r--r-- | src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc index aa93e5d8de..a895afa784 100644 --- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc @@ -440,6 +440,27 @@ class AresDnsResolverFactory : public ResolverFactory { } // namespace grpc_core +extern grpc_address_resolver_vtable* grpc_resolve_address_impl; +static grpc_address_resolver_vtable* default_resolver; + +static void resolve_address_ares(const char* addr, const char* default_port, + grpc_pollset_set* interested_parties, + grpc_closure* on_done, + grpc_resolved_addresses** addrs) { + grpc_resolve_address_ares(addr, default_port, interested_parties, on_done, + addrs); +} + +static grpc_error* blocking_resolve_address_ares( + const char* name, const char* default_port, + grpc_resolved_addresses** addresses) { + return default_resolver->blocking_resolve_address(name, default_port, + addresses); +} + +static grpc_address_resolver_vtable ares_resolver = { + resolve_address_ares, blocking_resolve_address_ares}; + void grpc_resolver_dns_ares_init() { char* resolver_env = gpr_getenv("GRPC_DNS_RESOLVER"); /* TODO(zyc): Turn on c-ares based resolver by default after the address @@ -450,7 +471,8 @@ void grpc_resolver_dns_ares_init() { GRPC_LOG_IF_ERROR("ares_library_init() failed", error); return; } - grpc_resolve_address = grpc_resolve_address_ares; + default_resolver = grpc_resolve_address_impl; + grpc_set_resolver_impl(&ares_resolver); grpc_core::ResolverRegistry::Builder::RegisterResolverFactory( grpc_core::UniquePtr<grpc_core::ResolverFactory>( grpc_core::New<grpc_core::AresDnsResolverFactory>())); |