forgot to clear buffer

vim_research/test2.cpp

@@ -515,6 +515,8 @@ void toxThread(SharedContext* ctx) {
 			{ // pump from buffer to staging
 				const size_t max_commands = 1;
 				size_t number_of_commands_done = 0;
+				std::vector<Agent> empty_buffers;
+				{
 					std::lock_guard lg_staging{ctx->staging_mutex};
 					for (auto& [agent, buffer] : ctx->buffer) {
 						if (agent == agent_local) {
@@ -535,10 +537,12 @@ void toxThread(SharedContext* ctx) {
 							continue;
 						}
 
-					// this can lead to dead locks, if other code does this wrong
+						std::vector<uint64_t> seq_to_remove;
+						{ // this can lead to dead locks, if other code does this wrong
 							std::lock_guard lg{ctx->command_lists_mutex};
 							for (; buffer.count(seq); seq++) {
 								ctx->command_lists[agent][seq] = buffer.at(seq);
+								seq_to_remove.push_back(seq);
 
 								number_of_commands_done++;
 								if (number_of_commands_done >= max_commands) {
@@ -547,7 +551,19 @@ void toxThread(SharedContext* ctx) {
 							}
 
 							ctx->staging_frontier[agent] = seq;
+						}
 						ctx->should_gossip_remote.emplace(agent);
+
+						for (const auto key : seq_to_remove) {
+							buffer.erase(key);
+						}
+						if (buffer.empty()) {
+							empty_buffers.push_back(agent);
+						}
+					}
+				} // scope for staging lock
+				for (const auto& agent : empty_buffers) {
+					ctx->buffer.erase(agent);
 				}
 			}