com.h

#pragma once
 
#include <stdint.h>
#include <stdbool.h>
#include <cmrx/interface.h>
#define COM_NOTIFICATION(name, argname) \
static int __ ## name ## _handler(SELF, uint32_t argname);\
\
static VTABLE struct ComNotificationVMT name ## _vmt = {\
    &__ ## name ## _handler\
};\
\
static struct ComNotification name = {\
    & name ## _vmt,\
    0xFF\
};\
\
static int __ ## name ## _handler(SELF, uint32_t argname)
 
 
struct ComNotification;
 
struct ComNotificationVMT {
    int (*readable_notify)(SELF, uint32_t id);
};
 
struct ComNotification {
    const struct ComNotificationVMT * vtable;
    Thread_t thread_id;
};
 
struct ComSource;
 
struct ComSourceVMT {
    int (*read)(SELF, uint8_t * data, unsigned max_len);
    bool (*ready)(SELF);
    void (*set_notify)(SELF, struct ComNotification * listener, uint32_t signal);
};
 
struct ComSource {
    const struct ComSourceVMT * vtable;
 
};
 
// Sink - write end of simplex channel
 
struct ComSink;
 
struct ComSinkVMT {
    int (*write)(SELF, const uint8_t * data, unsigned length);
    bool (*free)(SELF);
};
 
struct ComSink {
    const struct ComSinkVMT * vtable;
};
 
// Channel - read / write end of duplex channel
 
struct ComChannel;
 
struct ComChannelVMT {
    int (*read)(SELF, uint8_t * data, unsigned max_len);
    bool (*ready)(SELF);
    void (*set_notify)(SELF, struct ComNotification * listener, uint32_t signal);
    int (*write)(SELF, const uint8_t * data, unsigned length);
    bool (*free)(SELF);
};
 
struct ComChannel {
    const struct ComChannelVMT * vtable;
};
 
int foo(int bar);