Store separate size of query_list_.

telegram-bot-api/ClientParameters.h

@@ -32,6 +32,7 @@ struct SharedData {
   std::atomic<int> next_verbosity_level_{-1};
 
   // not thread-safe
+  size_t query_list_size_ = 0;
   td::ListNode query_list_;
   td::unique_ptr<td::KeyValueSyncInterface> webhook_db_;
   td::unique_ptr<td::TQueue> tqueue_;

telegram-bot-api/Query.cpp

@@ -47,6 +47,7 @@ Query::Query(td::vector<td::BufferSlice> &&container, td::Slice token, bool is_t
   if (shared_data_) {
     shared_data_->query_count_++;
     if (method_ != "getupdates") {
+      shared_data_->query_list_size_++;
       shared_data_->query_list_.put(this);
     }
   }

telegram-bot-api/Query.h

@@ -110,6 +110,9 @@ class Query : public td::ListNode {
   ~Query() {
     if (shared_data_) {
       shared_data_->query_count_--;
+      if (!empty()) {
+        shared_data_->query_list_size_--;
+      }
     }
   }
 

telegram-bot-api/telegram-bot-api.cpp

@@ -144,13 +144,14 @@ static void dump_statistics(const std::shared_ptr<SharedData> &shared_data,
   LOG(WARNING) << td::tag("buffer_mem", td::format::as_size(td::BufferAllocator::get_buffer_mem()));
   LOG(WARNING) << td::tag("buffer_slice_size", td::format::as_size(td::BufferAllocator::get_buffer_slice_size()));
 
+  auto query_list_size = shared_data->query_list_size_;
   auto query_count = shared_data->query_count_.load();
-  LOG(WARNING) << td::tag("pending queries", query_count);
+  LOG(WARNING) << td::tag("pending queries", query_count) << td::tag("pending requests", query_list_size);
 
   td::uint64 i = 0;
   bool was_gap = false;
   for (auto end = &shared_data->query_list_, cur = end->prev; cur != end; cur = cur->prev, i++) {
-    if (i < 20 || i > query_count - 20 || i % (query_count / 50 + 1) == 0) {
+    if (i < 20 || i > query_list_size - 20 || i % (query_list_size / 50 + 1) == 0) {
       if (was_gap) {
         LOG(WARNING) << "...";
         was_gap = false;