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construct/ircd/m/event.cc

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/*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <ircd/m/m.h>
ircd::database *
ircd::m::event::events
{};
ircd::m::id::event
ircd::m::event_id(const event &event,
id::event::buf &buf)
{
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const crh::sha256::buf hash{event};
return event_id(event, buf, hash);
}
ircd::m::id::event
ircd::m::event_id(const event &event,
id::event::buf &buf,
const const_raw_buffer &hash)
{
char readable[b58encode_size(sha256::digest_size)];
return id::event
{
buf, b58encode(readable, hash), my_host()
};
}
ircd::m::id::event
ircd::m::event_id(const event &event)
{
return at<"event_id"_>(event);
}
size_t
ircd::m::degree(const event &event)
{
return degree(event::prev{event});
}
size_t
ircd::m::degree(const event::prev &prev)
{
size_t ret{0};
json::for_each(prev, [&ret]
(const auto &, const json::array &prevs)
{
ret += prevs.count();
});
return ret;
}
size_t
ircd::m::count(const event::prev &prev)
{
size_t ret{0};
m::for_each(prev, [&ret](const event::id &event_id)
{
++ret;
});
return ret;
}
void
ircd::m::for_each(const event::prev &prev,
const std::function<void (const event::id &)> &closure)
{
json::for_each(prev, [&closure]
(const auto &key, const json::array &prevs)
{
for(const json::array &prev : prevs)
{
const event::id &id{unquote(prev[0])};
closure(id);
}
});
}
std::string
ircd::m::pretty(const event::prev &prev)
{
std::string ret;
std::stringstream s;
pubsetbuf(s, ret, 2048);
const auto out{[&s]
(const string_view &key, auto&& val)
{
if(json::defined(val))
s << key << ": " << val << std::endl;
}};
const auto &auth_events{json::get<"auth_events"_>(prev)};
for(const json::array auth_event : auth_events)
out("auth_event", unquote(auth_event[0]));
const auto &prev_states{json::get<"prev_state"_>(prev)};
for(const json::array prev_state : prev_states)
out("prev_state", unquote(prev_state[0]));
const auto &prev_events{json::get<"prev_events"_>(prev)};
for(const json::array prev_event : prev_events)
out("prev_event", unquote(prev_event[0]));
resizebuf(s, ret);
return ret;
}
std::string
ircd::m::pretty_oneline(const event::prev &prev)
{
std::string ret;
std::stringstream s;
pubsetbuf(s, ret, 1024);
const auto &auth_events{json::get<"auth_events"_>(prev)};
s << "A[ ";
for(const json::array auth_event : auth_events)
s << unquote(auth_event[0]) << " ";
s << "] ";
const auto &prev_states{json::get<"prev_state"_>(prev)};
s << "S[ ";
for(const json::array prev_state : prev_states)
s << unquote(prev_state[0]) << " ";
s << "] ";
const auto &prev_events{json::get<"prev_events"_>(prev)};
s << "E[ ";
for(const json::array prev_event : prev_events)
s << unquote(prev_event[0]) << " ";
s << "] ";
resizebuf(s, ret);
return ret;
}
std::string
ircd::m::pretty(const event &event)
{
std::string ret;
std::stringstream s;
pubsetbuf(s, ret, 2048);
const auto out{[&s]
(const string_view &key, auto&& val)
{
if(json::defined(val))
s << std::setw(16) << std::right << key << ": " << val << std::endl;
}};
const string_view top_keys[]
{
"origin",
"event_id",
"room_id",
"sender",
"type",
"depth",
"state_key",
"membership",
};
json::for_each(event, top_keys, out);
const auto &ts{json::get<"origin_server_ts"_>(event)};
{
thread_local char buf[128];
s << std::setw(16) << std::right << "origin_server_ts" << ": "
<< timef(buf, ts / 1000L, localtime)
<< " (" << ts << ")"
<< std::endl;
}
const auto &hashes{json::get<"hashes"_>(event)};
for(const auto &hash : hashes)
{
s << std::setw(16) << std::right << "[hash]" << ": "
<< hash.first
<< " "
<< unquote(hash.second)
<< std::endl;
}
const auto &signatures{json::get<"signatures"_>(event)};
for(const auto &signature : signatures)
{
s << std::setw(16) << std::right << "[signature]" << ": "
<< signature.first << " ";
for(const auto &key : json::object{signature.second})
s << key.first << " ";
s << std::endl;
}
const json::object &contents{json::get<"content"_>(event)};
if(!contents.empty())
{
s << std::setw(16) << std::right << "[content]" << ": ";
for(const auto &content : contents)
s << content.first << ", ";
s << std::endl;
}
const auto &auth_events{json::get<"auth_events"_>(event)};
for(const json::array auth_event : auth_events)
out("[auth_event]", unquote(auth_event[0]));
const auto &prev_states{json::get<"prev_state"_>(event)};
for(const json::array prev_state : prev_states)
out("[prev_state]", unquote(prev_state[0]));
const auto &prev_events{json::get<"prev_events"_>(event)};
for(const json::array prev_event : prev_events)
out("[prev_event]", unquote(prev_event[0]));
resizebuf(s, ret);
return ret;
}
std::string
ircd::m::pretty_oneline(const event &event)
{
std::string ret;
std::stringstream s;
pubsetbuf(s, ret, 1024);
const auto out{[&s]
(const string_view &key, auto&& val)
{
if(defined(val))
s << val << " ";
else
s << "* ";
}};
const string_view top_keys[]
{
"origin",
"event_id",
"room_id",
"sender",
"depth",
};
s << ':';
json::for_each(event, top_keys, out);
const auto &auth_events{json::get<"auth_events"_>(event)};
s << "pa:" << auth_events.count() << " ";
const auto &prev_states{json::get<"prev_state"_>(event)};
s << "ps:" << prev_states.count() << " ";
const auto &prev_events{json::get<"prev_events"_>(event)};
s << "pe:" << prev_events.count() << " ";
const auto &hashes{json::get<"hashes"_>(event)};
s << "[ ";
for(const auto &hash : hashes)
s << hash.first << " ";
s << "] ";
const auto &signatures{json::get<"signatures"_>(event)};
s << "[ ";
for(const auto &signature : signatures)
{
s << signature.first << "[ ";
for(const auto &key : json::object{signature.second})
s << key.first << " ";
s << "] ";
}
s << "] ";
out("type", json::get<"type"_>(event));
const auto &state_key
{
json::get<"state_key"_>(event)
};
if(defined(state_key) && empty(state_key))
s << "\"\"" << " ";
else if(defined(state_key))
s << state_key << " ";
else
s << "*" << " ";
out("membership", json::get<"membership"_>(event));
const json::object &contents{json::get<"content"_>(event)};
if(!contents.empty())
{
s << "+" << string_view{contents}.size() << " bytes :";
for(const auto &content : contents)
s << content.first << " ";
}
resizebuf(s, ret);
return ret;
}
//
// event
//
ircd::m::event::event(const id &id,
const mutable_buffer &buf)
{
/*
fetch tab
{
id, buf
};
new (this) event{tab};
*/
}