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#pragma once
#include <sys/types.h>
// #include "repr.hpp"
struct DevLog {
int dev;
int log;
DevLog(int d, int l) : dev {d}, log {l} {}
friend ssize_t
read(DevLog &self, void *buf, size_t buf_size)
{
ssize_t r = read(self.dev, buf, buf_size);
if (r > 0) { write_log(self, true, buf, r); }
return r;
}
friend ssize_t
write(DevLog &self, const void *buf, size_t buf_size)
{
ssize_t r = write(self.dev, buf, buf_size);
if (r > 0) { write_log(self, false, buf, buf_size); }
return r;
}
friend void
write_log(DevLog &self, bool rw, const void *buf, size_t buf_size)
{
write(self.log, buf, buf_size);
// static const char r[] = "read ";
// static const char w[sizeof(r)] = "write ";
//
// write(self.log, rw ? r : w, sizeof(r) - 1);
// write_repr(self.log, buf, buf_size);
// write(self.log, "\n", 2);
}
};
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