mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 10:58:54 +01:00
74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
using namespace ircd;
|
|
|
|
mapi::header
|
|
IRCD_MODULE
|
|
{
|
|
"Matrix state library; modular components."
|
|
};
|
|
|
|
namespace ircd::m::state
|
|
{
|
|
extern "C" size_t ircd__m__state__gc(void);
|
|
}
|
|
|
|
size_t
|
|
ircd::m::state::ircd__m__state__gc()
|
|
{
|
|
std::set<id_buffer> heads;
|
|
{
|
|
const db::gopts opts{db::get::NO_CACHE};
|
|
//opts.readahead = 4_MiB;
|
|
|
|
db::column &column{m::dbs::room_events};
|
|
for(auto it(column.begin(opts)); it; ++it)
|
|
{
|
|
const auto &root(it->second);
|
|
id_buffer buf;
|
|
copy(buf, root);
|
|
heads.emplace(buf);
|
|
}
|
|
}
|
|
|
|
std::set<id_buffer> active;
|
|
for(auto it(begin(heads)); it != end(heads); it = heads.erase(it))
|
|
{
|
|
const auto &root(*it);
|
|
std::cout << "root: " << string_view{root} << std::endl;
|
|
state::for_each(root, state::iter_bool_closure{[&active]
|
|
(const json::array &key, const string_view &val)
|
|
{
|
|
std::cout << "key: " << key << std::endl;
|
|
std::cout << "val: " << val << std::endl;
|
|
return true;
|
|
}});
|
|
|
|
break;
|
|
}
|
|
/*
|
|
static const db::gopts opts
|
|
{
|
|
db::get::NO_CACHE
|
|
};
|
|
|
|
auto &column{m::dbs::state_node};
|
|
for(auto it(column.begin(opts)); it; ++it)
|
|
{
|
|
id_buffer buf;
|
|
const auto &root(it->second);
|
|
copy(buf, root);
|
|
active.emplace(buf);
|
|
}
|
|
*/
|
|
size_t ret(active.size());
|
|
return ret;
|
|
}
|