arrow::Result connect()

in src/afs.cc [2638:2672]
35 lines of code
4 McCabe index (conditional complexity)

	arrow::Result<uint64_t> connect(const std::string& databaseName,
	                                const std::string& userName,
	                                const std::string& password,
	                                const std::string& clientAddress)
	{
		auto id = assign_session_id();
		ARROW_ASSIGN_OR_RAISE(auto localSession, find_session(id));
		auto request = std::make_shared<ConnectRequest>(
			id, databaseName, userName, password, clientAddress);
		{
			std::lock_guard<std::mutex> lock(mutex_);
			connectRequests_.push_back(request);
		}
		kill(MyProcPid, SIGUSR1);
		{
			std::unique_lock<std::mutex> lock(mutex_);
			conditionVariable_.wait(lock, [&] {
				if (localSession->errorMessage.has_value())
				{
					return true;
				}
				if (INTERRUPTS_PENDING_CONDITION())
				{
					return true;
				}
				return request->finished;
			});
		}
		ARROW_RETURN_NOT_OK(check_local_session_error(localSession));
		if (INTERRUPTS_PENDING_CONDITION())
		{
			return arrow::Status::Invalid("interrupted");
		}
		return id;
	}