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ircd:Ⓜ️🆔 Update generator constructor; add room_id generator; minor cleanup.

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This commit is contained in:
Jason Volk 2018-02-21 21:55:45 -08:00
parent ed96588155
commit ec4a631608
1 changed files with 29 additions and 53 deletions
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82
ircd/m/id.cc
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@ -294,10 +294,6 @@ catch(const qi::expectation_failure<const char *> &e)
struct ircd::m::id::printer
:output<const char *>
{
static string_view random_alpha(const mutable_buffer &buf, const size_t &len);
static string_view random_timebased(const mutable_buffer &);
static string_view random_prefixed(const string_view &prefix, const mutable_buffer &);
template<class generator,
class attribute>
bool operator()(char *&out, char *const &stop, generator&& g, attribute&& a) const
@ -350,50 +346,6 @@ struct ircd::m::id::printer
}
const ircd::m::id::printer;
ircd::string_view
ircd::m::id::printer::random_prefixed(const string_view &prefix,
const mutable_buffer &buf)
{
using buffer::data;
const auto len
{
fmt::sprintf(buf, "%s%u", prefix, rand::integer())
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::m::id::printer::random_timebased(const mutable_buffer &buf)
{
using buffer::data;
using buffer::size;
const auto utime(microtime());
const auto len
{
snprintf(data(buf), size(buf), "%zd%06d", utime.first, utime.second)
};
return { data(buf), size_t(len) };
}
ircd::string_view
ircd::m::id::printer::random_alpha(const mutable_buffer &buf,
const size_t &len)
{
using buffer::data;
using buffer::size;
const mutable_buffer out
{
data(buf), std::min(size(buf), len)
};
return rand::string(rand::dict::alpha, out);
}
//
// id
//
@ -419,7 +371,10 @@ ircd::m::id::id(const enum sigil &sigil,
{
const string_view src
{
buffer::data(buf), size_t(fmt::sprintf(buf, "%c%s:%s", char(sigil), local, host))
fmt::sprintf
{
buf, "%c%s:%s", char(sigil), local, host
}
};
return parser(sigil, src);
@ -461,19 +416,40 @@ ircd::m::id::id(const enum sigil &sigil,
string_view name; switch(sigil)
{
case sigil::USER:
name = printer::random_prefixed("guest", namebuf);
name = fmt::sprintf
{
namebuf, "guest%lu", rand::integer()
};
break;
case sigil::ROOM_ALIAS:
name = printer::random_prefixed("", namebuf);
name = fmt::sprintf
{
namebuf, "%lu", rand::integer()
};
break;
case sigil::ROOM:
{
mutable_buffer buf{namebuf, 16};
consume(buf, buffer::copy(buf, "AAAA"_sv)); //TODO: cluster euid
rand::string(rand::dict::alnum, buf);
name = {namebuf, 16};
break;
}
case sigil::DEVICE:
name = printer::random_alpha(namebuf, 16);
{
static const auto &dict{rand::dict::alpha};
name = rand::string(dict, mutable_buffer{namebuf, 16});
break;
}
default:
name = printer::random_timebased(namebuf);
name = fmt::sprintf
{
namebuf, "%c%lu", rand::character(), rand::integer()
};
break;
};