From fed222e11a11686fdcddc20c088e13e763216d08 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Mon, 25 Jun 2018 04:06:20 +0300
Subject: [PATCH] Add add_user debug.

GitOrigin-RevId: 7e2bb3187f278cc664a720d1ce1d7689ba69d5d9
---
 td/telegram/ContactsManager.cpp | 16 ++++++++++------
 td/telegram/ContactsManager.h   |  4 +++-
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index 12bc639c..9e079533 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -5001,7 +5001,7 @@ void ContactsManager::on_get_user(tl_object_ptr<telegram_api::User> &&user_ptr,
   bool have_access_hash = (flags & USER_FLAG_HAS_ACCESS_HASH) != 0;
   bool is_received = (flags & USER_FLAG_IS_INACCESSIBLE) == 0;
 
-  User *u = add_user(user_id);
+  User *u = add_user(user_id, "on_get_user");
   if ((have_access_hash || u->access_hash == -1) && u->access_hash != user->access_hash_) {
     LOG(DEBUG) << "Access hash has changed for " << user_id << " from " << u->access_hash << " to "
                << user->access_hash_;
@@ -5175,8 +5175,8 @@ void ContactsManager::on_binlog_user_event(BinlogEvent &&event) {
 
   auto user_id = log_event.user_id;
   LOG(INFO) << "Add " << user_id << " from binlog";
-  User *u = add_user(user_id);
-  CHECK(u->first_name.empty());
+  User *u = add_user(user_id, "on_binlog_user_event");
+  CHECK(u->first_name.empty()) << user_id << " " << u->debug_source;
   *u = std::move(log_event.u);  // users come from binlog before all other events, so just add them
 
   u->logevent_id = event.id_;
@@ -5293,7 +5293,7 @@ void ContactsManager::on_load_user_from_database(UserId user_id, string value) {
   User *u = get_user(user_id);
   if (u == nullptr) {
     if (!value.empty()) {
-      u = add_user(user_id);
+      u = add_user(user_id, "on_load_user_from_database");
 
       log_event_parse(*u, value).ensure();
 
@@ -8109,9 +8109,13 @@ bool ContactsManager::get_user(UserId user_id, int left_tries, Promise<Unit> &&p
   return true;
 }
 
-ContactsManager::User *ContactsManager::add_user(UserId user_id) {
+ContactsManager::User *ContactsManager::add_user(UserId user_id, const char *source) {
   CHECK(user_id.is_valid());
-  return &users_[user_id];
+  User *u = &users_[user_id];
+  if (u->debug_source == nullptr) {
+    u->debug_source = source;
+  }
+  return u;
 }
 
 const ContactsManager::UserFull *ContactsManager::get_user_full(UserId user_id) const {
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index f1bf32bf..cc292ff9 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -481,6 +481,8 @@ class ContactsManager : public Actor {
 
     uint64 logevent_id = 0;
 
+    const char *debug_source = nullptr;
+
     template <class StorerT>
     void store(StorerT &storer) const;
 
@@ -766,7 +768,7 @@ class ContactsManager : public Actor {
   User *get_user_force(UserId user_id);
   User *get_user_force_impl(UserId user_id);
 
-  User *add_user(UserId user_id);
+  User *add_user(UserId user_id, const char *source);
 
   const UserFull *get_user_full(UserId user_id) const;
   UserFull *get_user_full(UserId user_id);