Fix process_config.

GitOrigin-RevId: ea657dfc621fdf13a1641377a2bef6ddd396172a

td/telegram/ConfigManager.cpp

@@ -671,7 +671,9 @@ void ConfigManager::process_config(tl_object_ptr<telegram_api::config> config) {
   shared_config.set_option_integer("basic_group_size_max", config->chat_size_max_);
   shared_config.set_option_integer("supergroup_size_max", config->megagroup_size_max_);
   shared_config.set_option_integer("pinned_chat_count_max", config->pinned_dialogs_count_max_);
-  shared_config.set_option_string("t_me_url", config->me_url_prefix_);
+  if (is_from_main_dc || !shared_config.have_option("t_me_url")) {
+    shared_config.set_option_string("t_me_url", config->me_url_prefix_);
+  }
   if (is_from_main_dc) {
     if ((config->flags_ & telegram_api::config::TMP_SESSIONS_MASK) != 0) {
       G()->shared_config().set_option_integer("session_count", config->tmp_sessions_);
@@ -680,15 +682,15 @@ void ConfigManager::process_config(tl_object_ptr<telegram_api::config> config) {
     }
   }
 
-  shared_config.set_option_integer("edit_time_limit", config->edit_time_limit_);
-  shared_config.set_option_boolean("revoke_pm_inbox",
-                                   (config->flags_ & telegram_api::config::REVOKE_PM_INBOX_MASK) != 0);
-  shared_config.set_option_integer("revoke_time_limit", config->revoke_time_limit_);
-  shared_config.set_option_integer("revoke_pm_time_limit", config->revoke_pm_time_limit_);
-
-  shared_config.set_option_integer("rating_e_decay", config->rating_e_decay_);
-
   if (is_from_main_dc) {
+    shared_config.set_option_integer("edit_time_limit", config->edit_time_limit_);
+    shared_config.set_option_boolean("revoke_pm_inbox",
+                                     (config->flags_ & telegram_api::config::REVOKE_PM_INBOX_MASK) != 0);
+    shared_config.set_option_integer("revoke_time_limit", config->revoke_time_limit_);
+    shared_config.set_option_integer("revoke_pm_time_limit", config->revoke_pm_time_limit_);
+
+    shared_config.set_option_integer("rating_e_decay", config->rating_e_decay_);
+
     shared_config.set_option_boolean("calls_enabled", config->phonecalls_enabled_);
   }
   shared_config.set_option_integer("call_ring_timeout_ms", config->call_ring_timeout_ms_);

td/telegram/ConfigShared.cpp

@@ -42,6 +42,10 @@ void ConfigShared::set_option_string(Slice name, Slice value) {
   }
 }
 
+bool ConfigShared::have_option(Slice name) const {
+  return config_pmc_->isset(name.str());
+}
+
 string ConfigShared::get_option(Slice name) const {
   return config_pmc_->get(name.str());
 }

td/telegram/ConfigShared.h

@@ -34,6 +34,7 @@ class ConfigShared {
   void set_option_integer(Slice name, int32 value);
   void set_option_string(Slice name, Slice value);
 
+  bool have_option(Slice name) const;
   string get_option(Slice name) const;
   std::unordered_map<string, string> get_options(Slice prefix) const;
   std::unordered_map<string, string> get_options() const;

tddb/td/db/BinlogKeyValue.h

@@ -162,6 +162,11 @@ class BinlogKeyValue : public KeyValueSyncInterface {
     binlog_->add_raw_event(seq_no, std::move(event));
   }
 
+  bool isset(const string &key) override {
+    auto lock = rw_mutex_.lock_read().move_as_ok();
+    return map_.count(key) > 0;
+  }
+
   string get(const string &key) override {
     auto lock = rw_mutex_.lock_read().move_as_ok();
     auto it = map_.find(key);

tddb/td/db/KeyValueSyncInterface.h

@@ -9,6 +9,7 @@
 #include "td/utils/common.h"
 
 namespace td {
+
 class KeyValueSyncInterface {
  public:
   // SeqNo is used to restore total order on all write queries.
@@ -21,8 +22,14 @@ class KeyValueSyncInterface {
   KeyValueSyncInterface(KeyValueSyncInterface &&) = default;
   KeyValueSyncInterface &operator=(KeyValueSyncInterface &&) = default;
   virtual ~KeyValueSyncInterface() = default;
+
   virtual SeqNo set(string key, string value) = 0;
-  virtual SeqNo erase(const string &key) = 0;
+
+  virtual bool isset(const string &key) = 0;
+
   virtual string get(const string &key) = 0;
+
+  virtual SeqNo erase(const string &key) = 0;
 };
+
 }  // namespace td

tddb/td/db/Pmc.h

@@ -5,6 +5,8 @@
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 #pragma once
+
+#include "td/db/binlog/ConcurrentBinlog.h"
 #include "td/db/BinlogKeyValue.h"
 #include "td/db/SqliteKeyValue.h"
 
@@ -13,7 +15,7 @@
 #include <memory>
 
 namespace td {
-class SqliteKeyValue;
+
 using BinlogPmcBase = BinlogKeyValue<ConcurrentBinlog>;
 using BinlogPmc = std::shared_ptr<BinlogPmcBase>;
 using BinlogPmcPtr = BinlogPmcBase *;
@@ -21,4 +23,5 @@ using BinlogPmcPtr = BinlogPmcBase *;
 using BigPmcBase = SqliteKeyValue;
 using BigPmc = std::unique_ptr<BigPmcBase>;
 using BigPmcPtr = BigPmcBase *;
+
 };  // namespace td

test/secret.cpp

@@ -490,16 +490,22 @@ class OldFakeKeyValue : public KeyValueSyncInterface {
     kv_[key] = value;
     return 0;
   }
+
   SeqNo erase(const string &key) override {
     kv_.erase(key);
     return 0;
   }
+
+  bool isset(const string &key) override {
+    return kv_.count(key) > 0;
+  }
+
   string get(const string &key) override {
     auto it = kv_.find(key);
     if (it != kv_.end()) {
       return it->second;
     }
-    return "";
+    return string();
   }
 
  private: