Patrick Williams | 4edb785 | 2017-07-03 11:50:11 -0500 | [diff] [blame^] | 1 | #include <iostream> |
| 2 | #include <sdbusplus/server.hpp> |
| 3 | #include <net/poettering/Calculator/server.hpp> |
| 4 | #include <net/poettering/Calculator/error.hpp> |
| 5 | |
| 6 | using Calculator_inherit = sdbusplus::server::object_t< |
| 7 | sdbusplus::net::poettering::server::Calculator>; |
| 8 | |
| 9 | /** Example implementation of net.poettering.Calculator */ |
| 10 | struct Calculator : Calculator_inherit |
| 11 | { |
| 12 | /** Constructor */ |
| 13 | Calculator(sdbusplus::bus::bus& bus, const char* path) : |
| 14 | Calculator_inherit(bus, path) { } |
| 15 | |
| 16 | /** Multiply (x*y), update lastResult */ |
| 17 | int64_t multiply(int64_t x, int64_t y) override |
| 18 | { |
| 19 | return lastResult(x*y); |
| 20 | } |
| 21 | |
| 22 | /** Divide (x/y), update lastResult |
| 23 | * |
| 24 | * Throws DivisionByZero on error. |
| 25 | */ |
| 26 | int64_t divide(int64_t x, int64_t y) override |
| 27 | { |
| 28 | using sdbusplus::net::poettering::Calculator::Error::DivisionByZero; |
| 29 | if (y == 0) |
| 30 | { |
| 31 | status(State::Error); |
| 32 | throw DivisionByZero(); |
| 33 | } |
| 34 | |
| 35 | return lastResult(x/y); |
| 36 | } |
| 37 | |
| 38 | /** Clear lastResult, broadcast 'Cleared' signal */ |
| 39 | void clear() override |
| 40 | { |
| 41 | auto v = lastResult(); |
| 42 | lastResult(0); |
| 43 | cleared(v); |
| 44 | return; |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | int main() |
| 49 | { |
| 50 | // Define a dbus path location to place the object. |
| 51 | constexpr auto path = "/net/poettering/calculator"; |
| 52 | |
| 53 | // Create a new bus and affix an object manager for the subtree path we |
| 54 | // intend to place objects at.. |
| 55 | auto b = sdbusplus::bus::new_default(); |
| 56 | sdbusplus::server::manager_t m{b, path}; |
| 57 | |
| 58 | // Reserve the dbus service name : net.poettering.Calculator |
| 59 | b.request_name("net.poettering.Calculator"); |
| 60 | |
| 61 | // Create a calculator object at /net/poettering/calculator |
| 62 | Calculator c1{b, path}; |
| 63 | |
| 64 | // Handle dbus processing forever. |
| 65 | while(1) |
| 66 | { |
| 67 | b.process_discard(); // discard any unhandled messages |
| 68 | b.wait(); |
| 69 | } |
| 70 | |
| 71 | return 0; |
| 72 | } |