1 // Copyright (c) Benjamin Kietzman (github.com/bkietz) 2 // 3 // Distributed under the Boost Software License, Version 1.0. (See accompanying 4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 #ifndef DBUS_MATCH_HPP 7 #define DBUS_MATCH_HPP 8 9 #include <string> 10 #include <boost/asio.hpp> 11 12 #include <dbus/error.hpp> 13 #include <dbus/connection.hpp> 14 15 namespace dbus { 16 17 /// Simple placeholder object for a match rule. 18 /** 19 * A match rule determines what messages will be received by this application. 20 * 21 * Each rule will be represented by an instance of match. To remove that rule, 22 * dispose of the object. 23 */ 24 //TODO use noncopyable 25 class match 26 { 27 connection& connection_; 28 std::string expression_; 29 30 public: 31 match(connection& c, 32 BOOST_ASIO_MOVE_ARG(std::string) e) 33 : connection_(c), 34 expression_(BOOST_ASIO_MOVE_CAST(std::string)(e)) 35 { 36 connection_.new_match(*this); 37 } 38 39 ~match() 40 { 41 connection_.delete_match(*this); 42 } 43 44 const std::string& get_expression() const { return expression_; } 45 }; 46 47 //TODO move this to dbus::impl stat 48 void connection_service::new_match(implementation_type& impl, 49 match& m) 50 { 51 error e; 52 dbus_bus_add_match(impl, m.get_expression().c_str(), e); 53 e.throw_if_set(); 54 // eventually, for complete asynchronicity, this should connect to 55 // org.freedesktop.DBus and call AddMatch 56 } 57 58 void connection_service::delete_match(implementation_type& impl, 59 match& m) 60 { 61 error e; 62 dbus_bus_remove_match(impl, m.get_expression().c_str(), e); 63 e.throw_if_set(); 64 } 65 66 } // namespace dbus 67 68 #endif // DBUS_MATCH_HPP 69