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Use Google DNS only if blocking is expected.

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GitOrigin-RevId: 9a3b258d1ce9b0f084fb90bb1d86024b0cbee550
This commit is contained in:
levlam 2019-02-05 01:24:46 +03:00
parent 72ac6667ce
commit 0defd8c927
2 changed files with 16 additions and 4 deletions
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17
td/telegram/net/ConnectionCreator.cpp
View File

@ -457,6 +457,14 @@ void ConnectionCreator::get_proxy_link(int32 proxy_id, Promise<string> promise)
promise.set_value(std::move(url)); promise.set_value(std::move(url));
} }
ActorId<GetHostByNameActor> ConnectionCreator::get_resolver() const {
if (G()->shared_config().get_option_boolean("expect_blocking", true)) {
return block_get_host_by_name_actor_.get();
} else {
return get_host_by_name_actor_.get();
}
}
void ConnectionCreator::ping_proxy(int32 proxy_id, Promise<double> promise) { void ConnectionCreator::ping_proxy(int32 proxy_id, Promise<double> promise) {
if (proxy_id == 0) { if (proxy_id == 0) {
ProxyInfo proxy{nullptr, IPAddress()}; ProxyInfo proxy{nullptr, IPAddress()};
@ -507,7 +515,7 @@ void ConnectionCreator::ping_proxy(int32 proxy_id, Promise<double> promise) {
} }
const Proxy &proxy = it->second; const Proxy &proxy = it->second;
bool prefer_ipv6 = G()->shared_config().get_option_boolean("prefer_ipv6"); bool prefer_ipv6 = G()->shared_config().get_option_boolean("prefer_ipv6");
send_closure(get_host_by_name_actor_, &GetHostByNameActor::run, proxy.server().str(), proxy.port(), prefer_ipv6, send_closure(get_resolver(), &GetHostByNameActor::run, proxy.server().str(), proxy.port(), prefer_ipv6,
PromiseCreator::lambda([actor_id = actor_id(this), promise = std::move(promise), PromiseCreator::lambda([actor_id = actor_id(this), promise = std::move(promise),
proxy_id](Result<IPAddress> result) mutable { proxy_id](Result<IPAddress> result) mutable {
if (result.is_error()) { if (result.is_error()) {
@ -1243,10 +1251,11 @@ void ConnectionCreator::start_up() {
GetHostByNameActor::Options options; GetHostByNameActor::Options options;
options.scheduler_id = G()->get_gc_scheduler_id(); options.scheduler_id = G()->get_gc_scheduler_id();
options.resolver_types = {GetHostByNameActor::ResolverType::Google, GetHostByNameActor::ResolverType::Native};
options.ok_timeout = 5 * 60 - 1; options.ok_timeout = 5 * 60 - 1;
options.error_timeout = 0; options.error_timeout = 0;
get_host_by_name_actor_ = create_actor<GetHostByNameActor>("GetHostByNameActor", std::move(options)); get_host_by_name_actor_ = create_actor<GetHostByNameActor>("GetHostByNameActor", options);
options.resolver_types = {GetHostByNameActor::ResolverType::Google, GetHostByNameActor::ResolverType::Native};
block_get_host_by_name_actor_ = create_actor<GetHostByNameActor>("GetHostByNameActor", options);
ref_cnt_guard_ = create_reference(-1); ref_cnt_guard_ = create_reference(-1);
@ -1373,7 +1382,7 @@ void ConnectionCreator::loop() {
bool prefer_ipv6 = G()->shared_config().get_option_boolean("prefer_ipv6"); bool prefer_ipv6 = G()->shared_config().get_option_boolean("prefer_ipv6");
VLOG(connections) << "Resolve IP address " << resolve_proxy_query_token_ << " of " << proxy.server(); VLOG(connections) << "Resolve IP address " << resolve_proxy_query_token_ << " of " << proxy.server();
send_closure( send_closure(
get_host_by_name_actor_, &GetHostByNameActor::run, proxy.server().str(), proxy.port(), prefer_ipv6, get_resolver(), &GetHostByNameActor::run, proxy.server().str(), proxy.port(), prefer_ipv6,
PromiseCreator::lambda([actor_id = create_reference(resolve_proxy_query_token_)](Result<IPAddress> result) { PromiseCreator::lambda([actor_id = create_reference(resolve_proxy_query_token_)](Result<IPAddress> result) {
send_closure(std::move(actor_id), &ConnectionCreator::on_proxy_resolved, std::move(result), false); send_closure(std::move(actor_id), &ConnectionCreator::on_proxy_resolved, std::move(result), false);
})); }));

3
td/telegram/net/ConnectionCreator.h
View File

@ -185,6 +185,7 @@ class ConnectionCreator : public NetQueryCallback {
int32 max_proxy_id_ = 0; int32 max_proxy_id_ = 0;
int32 active_proxy_id_ = 0; int32 active_proxy_id_ = 0;
ActorOwn<GetHostByNameActor> get_host_by_name_actor_; ActorOwn<GetHostByNameActor> get_host_by_name_actor_;
ActorOwn<GetHostByNameActor> block_get_host_by_name_actor_;
IPAddress proxy_ip_address_; IPAddress proxy_ip_address_;
Timestamp resolve_proxy_timestamp_; Timestamp resolve_proxy_timestamp_;
uint64 resolve_proxy_query_token_{0}; uint64 resolve_proxy_query_token_{0};
@ -322,6 +323,8 @@ class ConnectionCreator : public NetQueryCallback {
Result<SocketFd> find_connection(const ProxyInfo &proxy, DcId dc_id, bool allow_media_only, Result<SocketFd> find_connection(const ProxyInfo &proxy, DcId dc_id, bool allow_media_only,
FindConnectionExtra &extra); FindConnectionExtra &extra);
ActorId<GetHostByNameActor> get_resolver() const;
void ping_proxy_resolved(int32 proxy_id, IPAddress ip_address, Promise<double> promise); void ping_proxy_resolved(int32 proxy_id, IPAddress ip_address, Promise<double> promise);
void ping_proxy_socket_fd(SocketFd socket_fd, mtproto::TransportType transport_type, Promise<double> promise); void ping_proxy_socket_fd(SocketFd socket_fd, mtproto::TransportType transport_type, Promise<double> promise);