backend.h

#ifndef EID_VWR_BACKEND_H
#define EID_VWR_BACKEND_H

#include <eid-viewer/macros.h>

#ifdef __cplusplus
extern "C" {
#endif

#include <eid-viewer/oslayer.h>

void be_setcallbacks(struct eid_vwr_ui_callbacks* cb_);
DllExport int eid_vwr_set_cbfuncs(void(*newsrc)(enum eid_vwr_source source), // data source has changed.
    void(*newstringdata)(const EID_CHAR* label, const EID_CHAR* data), // new string data to be displayed in UI.
    void(*newbindata)(const EID_CHAR* label, const unsigned char* data, int datalen), // new binary data to be displayed in UI.
    void(*log)(enum eid_vwr_loglevel loglevel, const EID_CHAR* line), // log a string at the given level.
    //void(*logv)(enum eid_vwr_loglevel loglevel, const char* line, va_list ap), // log a string using varargs. Note: a UI needs to implement only one of log() or logv(); the backend will use whichever is implemented.
    void(*newstate)(enum eid_vwr_states states), // issued at state machine transition
    void(*pinop_result)(enum eid_vwr_pinops pinops, enum eid_vwr_result result), // issued when a PIN operation finished.
    void(*readers_changed)(unsigned long nreaders, slotdesc* slots)
    );

void be_log(enum eid_vwr_loglevel, const EID_CHAR* line, ...);

int be_newsource(enum eid_vwr_source which);
int be_newstate(enum eid_vwr_states s);
int be_newstringdata(const EID_CHAR* label, const EID_CHAR* data);
int be_newbindata(const EID_CHAR* label, const unsigned char* data, int datalen);
int be_pinresult(enum eid_vwr_pinops, enum eid_vwr_result);
int be_readers_changed(unsigned long nreaders, slotdesc* slots);

#ifdef __cplusplus
}
#endif

#endif