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modules/client/rooms/messages: Chunk direct to socket.

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This commit is contained in:
Jason Volk 2018-04-30 10:40:52 -07:00
parent 87f792b8eb
commit fb96f017b7
1 changed files with 50 additions and 45 deletions
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95
modules/client/rooms/messages.cc
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@ -47,69 +47,74 @@ get__messages(client &client,
room, page.from
};
//TODO: chunk directly to socket
const unique_buffer<mutable_buffer> buf
{
(1 + page.limit) * m::event::MAX_SIZE //TODO: XXX
96_KiB
};
json::stack out{buf};
resource::response::chunked response
{
json::stack::object ret{out};
client, http::OK
};
// Spec sez the 'from' token is exclusive
if(it && page.dir == 'b')
--it;
else if(it)
++it;
json::stack out{buf, [&response]
(const const_buffer &buf)
{
response.write(buf);
return buf;
}};
size_t count{0};
m::event::id::buf start, end;
json::stack::object ret
{
out
};
// Spec sez the 'from' token is exclusive
if(it && page.dir == 'b')
--it;
else if(it)
++it;
size_t count{0};
m::event::id::buf start, end;
{
json::stack::member chunk{ret, "chunk"};
json::stack::array messages{chunk};
for(; it; page.dir == 'b'? --it : ++it)
{
json::stack::member chunk{ret, "chunk"};
json::stack::array messages{chunk};
for(; it; page.dir == 'b'? --it : ++it)
const m::event &event{*it};
if(page.to && at<"event_id"_>(event) == page.to)
{
const m::event &event{*it};
if(page.to && at<"event_id"_>(event) == page.to)
{
if(page.dir != 'b')
start = at<"event_id"_>(event);
if(page.dir != 'b')
start = at<"event_id"_>(event);
break;
}
break;
}
messages.append(event);
if(++count >= page.limit)
{
if(page.dir == 'b')
end = at<"event_id"_>(event);
else
start = at<"event_id"_>(event);
messages.append(event);
if(++count >= page.limit)
{
if(page.dir == 'b')
end = at<"event_id"_>(event);
else
start = at<"event_id"_>(event);
break;
}
break;
}
}
json::stack::member
{
ret, "start", json::value{start}
};
json::stack::member
{
ret, "end", json::value{end}
};
}
return resource::response
json::stack::member
{
client, json::object
{
out.completed()
}
ret, "start", json::value{start}
};
json::stack::member
{
ret, "end", json::value{end}
};
return {};
}
// Client-Server 6.3.6 query parameters