mirror of
https://github.com/wesnoth/wesnoth
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a6b114f6ae
The main advantage is that the new code is much shorter and easier to understand then the preivous one. It currently still used the network::error class on some places This also removed support for 'ping' packages, the plan is to replace it with SO_KEEPALIVE Also this temporaily breaks the gui2 lobby since it still uses the old network code.
44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
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#ifndef PLAYTURN_NETWORK_ADAPTER_HPP_INCLUDED
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#define PLAYTURN_NETWORK_ADAPTER_HPP_INCLUDED
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#include "config.hpp"
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#include <list>
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#include "utils/functional.hpp"
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/*
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The purpose if this class is to preprocess incoming network data, and provide a steam that always returns just one command/action at a time.
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Especially we want each replay command in his own [turn].
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*/
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class playturn_network_adapter
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{
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public:
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typedef std::function<bool(config&)> source_type;
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playturn_network_adapter(source_type source);
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~playturn_network_adapter();
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//returns true on success.
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//dst has to be empty before the call.
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//after the call dst contains one child when returned true otherwise it's empty.
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bool read(config& dst);
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//returns false if there is still data in the internal buffer.
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bool is_at_end();
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void set_source(source_type source);
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//returns a function to be passed to set_source.
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static source_type get_source_from_config(config& src);
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private:
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//reads data from the network stream.
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void read_from_network();
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//this always contains one empty config because we want a valid value for next_.
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std::list<config> data_;
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//the position of the next to be received element in data_->front().
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config::all_children_iterator next_;
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//if we are processing a [turn] with multiple [command] we want to split them.
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//In this case next_command_num_ is the next to be processed turn into a command otherwise it's 0;
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unsigned int next_command_num_;
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//a function to receive data from the network.
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source_type network_reader_;
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};
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#endif
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