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#include "EventSource.h"
GSourceFuncs sourceFuncs = {
/* prepare */
[](GSource*, int* timeout) -> gboolean {
*timeout = 10 /*ms*/;
return FALSE;
},
/* check */
[](GSource* gsource) -> gboolean {
EventSource* source = (EventSource*)gsource;
return source->Check();
},
/* dispatch */
[](GSource* gsource, GSourceFunc, gpointer) -> gboolean {
EventSource* source = (EventSource*)gsource;
return source->Dispatch();
},
/* finalize */
[](GSource*) {},
nullptr,
nullptr,
};
EventSource* EventSource::Create(sd_bus* bus) {
EventSource* source = (EventSource*)g_source_new(&sourceFuncs, sizeof(EventSource));
source->bus = bus;
source->pollFd.fd = sd_bus_get_fd(bus);
source->pollFd.events = G_IO_IN | G_IO_HUP | G_IO_ERR;
g_source_add_poll(&source->base, &source->pollFd);
g_source_attach(&source->base, g_main_context_default());
return source;
}
void EventSource::Destroy(EventSource* source) {
g_source_remove_poll(&source->base, &source->pollFd);
g_source_destroy(&source->base);
g_source_unref(&source->base);
}
gboolean EventSource::Check() const {
return pollFd.revents & (G_IO_IN | G_IO_HUP | G_IO_ERR);
}
gboolean EventSource::Dispatch() {
int result;
do {
result = sd_bus_process(bus, nullptr);
} while (result > 0);
return result >= 0;
}
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