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Reuse session_id for pings

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GitOrigin-RevId: 39ddb1f925fa05f939a3965300334d5f250550ae
This commit is contained in:
Arseny Smirnov 2019-05-10 18:27:18 +02:00
parent ce84c34c23
commit 11b0da92fe
3 changed files with 31 additions and 5 deletions
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1
td/mtproto/PingConnection.cpp
View File

@ -75,7 +75,6 @@ class PingConnectionPingPong
PingConnectionPingPong(unique_ptr<mtproto::RawConnection> raw_connection, unique_ptr<mtproto::AuthData> auth_data)
: auth_data_(std::move(auth_data)) {
auth_data_->set_header("");
auth_data_->set_session_id(static_cast<uint64>(Random::secure_int64()));
connection_ =
make_unique<SessionConnection>(SessionConnection::Mode::Tcp, std::move(raw_connection), auth_data_.get());
}

30
td/telegram/net/ConnectionCreator.cpp
View File

@ -32,6 +32,7 @@
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/port/IPAddress.h"
#include "td/utils/Random.h"
#include "td/utils/ScopeGuard.h"
#include "td/utils/Time.h"
#include "td/utils/tl_helpers.h"
@ -190,6 +191,25 @@ ConnectionCreator::ClientInfo::ClientInfo() {
mtproto_error_flood_control.add_limit(8, 3);
}
int64 ConnectionCreator::ClientInfo::extract_session_id() {
if (!session_ids_.empty()) {
auto res = *session_ids_.begin();
session_ids_.erase(session_ids_.begin());
return res;
}
int64 res = 0;
while (res == 0) {
res = Random::secure_int64();
}
return res;
}
void ConnectionCreator::ClientInfo::add_session_id(int64 session_id) {
if (session_id != 0) {
session_ids_.insert(session_id);
}
}
ConnectionCreator::ConnectionCreator(ActorShared<> parent) : parent_(std::move(parent)) {
}
@ -1014,6 +1034,7 @@ void ConnectionCreator::client_create_raw_connection(Result<ConnectionData> r_co
string debug_str, uint32 network_generation) {
unique_ptr<mtproto::AuthData> auth_data;
uint64 auth_data_generation{0};
int64 session_id{0};
if (check_mode) {
auto it = clients_.find(hash);
CHECK(it != clients_.end());
@ -1021,9 +1042,11 @@ void ConnectionCreator::client_create_raw_connection(Result<ConnectionData> r_co
if (auth_data_ptr && auth_data_ptr->use_pfs() && auth_data_ptr->has_auth_key(Time::now_cached())) {
auth_data = make_unique<mtproto::AuthData>(*auth_data_ptr);
auth_data_generation = it->second.auth_data_generation;
session_id = it->second.extract_session_id();
auth_data->set_session_id(session_id);
}
}
auto promise = PromiseCreator::lambda([actor_id = actor_id(this), hash, check_mode, auth_data_generation,
auto promise = PromiseCreator::lambda([actor_id = actor_id(this), hash, check_mode, auth_data_generation, session_id,
debug_str](Result<unique_ptr<mtproto::RawConnection>> result) mutable {
if (result.is_ok()) {
VLOG(connections) << "Ready connection (" << (check_mode ? "" : "un") << "checked) " << result.ok().get() << ' '
@ -1033,7 +1056,7 @@ void ConnectionCreator::client_create_raw_connection(Result<ConnectionData> r_co
<< debug_str;
}
send_closure(std::move(actor_id), &ConnectionCreator::client_add_connection, hash, std::move(result), check_mode,
auth_data_generation);
auth_data_generation, session_id);
});
if (r_connection_data.is_error()) {
@ -1068,8 +1091,9 @@ void ConnectionCreator::client_set_timeout_at(ClientInfo &client, double wakeup_
}
void ConnectionCreator::client_add_connection(size_t hash, Result<unique_ptr<mtproto::RawConnection>> r_raw_connection,
bool check_flag, uint64 auth_data_generation) {
bool check_flag, uint64 auth_data_generation, int64 session_id) {
auto &client = clients_[hash];
client.add_session_id(session_id);
CHECK(client.pending_connections > 0);
client.pending_connections--;
if (check_flag) {

5
td/telegram/net/ConnectionCreator.h
View File

@ -221,6 +221,8 @@ class ConnectionCreator : public NetQueryCallback {
int32 next_delay_ = 1;
};
ClientInfo();
int64 extract_session_id();
void add_session_id(int64 session_id);
Backoff backoff;
FloodControlStrict flood_control;
@ -239,6 +241,7 @@ class ConnectionCreator : public NetQueryCallback {
DcId dc_id;
bool allow_media_only;
bool is_media;
std::set<int64> session_ids_;
unique_ptr<mtproto::AuthData> auth_data;
uint64 auth_data_generation{0};
};
@ -303,7 +306,7 @@ class ConnectionCreator : public NetQueryCallback {
mtproto::TransportType transport_type, size_t hash, string debug_str,
uint32 network_generation);
void client_add_connection(size_t hash, Result<unique_ptr<mtproto::RawConnection>> r_raw_connection, bool check_flag,
uint64 auth_data_generation);
uint64 auth_data_generation, int64 session_id);
void client_set_timeout_at(ClientInfo &client, double wakeup_at);
void on_get_proxy_info(telegram_api::object_ptr<telegram_api::help_ProxyData> proxy_data_ptr);