Commit Graph

4 Commits

Author SHA1 Message Date
Loïc Blot
ce9802266e Various code cleanup & little performance improvement on HTTP download (#5772)
* Disable or remove unused enum members/functions
* Tiny code style fixes
* Make some functions const
* Replace ClientMediaDownloader std::unordered_map with std::map
2017-05-20 08:15:56 +02:00
Loïc Blot
370354cc87 Fix various performance issues reported by cppcheck (#5628)
* Also remove 1 non declared but defined functions
2017-04-21 10:06:08 +02:00
ShadowNinja
86a3c8ce56 Reduce indentation of HTTPFetchOngoing
Also clean up some related things.
2014-09-18 21:54:22 -04:00
Kahrl
0404bbf671 Rewrite client media download and support hash-based remote download
Move most of the media-related code in client.cpp into a new class
ClientMediaDownloader (clientmedia.cpp, clientmedia.h). Among other
things, this class does the following things:

- Download [remote_server][sha1] instead of [remote_server][name]. This
is to support servers that provide the same file name with different
contents.
- Initially fetch [remote_server]index.mth. This file should follow the
Minetest Hashset format (currently version 1) and contain a list of SHA1
hashes that exist on the server.
- The list of needed SHA1s is uploaded (via HTTP POST) when index.mth is
requested, so servers can optionally narrow down the list to the needs
of the client.
- If index.mth is missing (HTTP response code 404), we enter compat mode,
fetching [remote_server][name] as before this commit.
- remote_server can now contain multiple servers, separated by commas.
The downloader code attempts to split requests between the different
servers, as permitted by each server's index.mth. If one server claims
to have a file but actually doesn't (or something fails), we ask a
different server that also claims to have it.
- As before, when none of the remote servers provide a particular
file, we download it via the conventional method, i.e. using
the minetest protocol: TOSERVER_REQUEST_MEDIA / TOCLIENT_MEDIA.
- Bugfix: Every downloaded file's SHA1 is now verified against the SHA1
announced by the minetest server (before loading it and inserting it
into the file cache).
- Bugfix: Only send TOSERVER_RECEIVED_MEDIA when we actually have all
media. This should fix #863.
2013-12-13 18:05:20 +01:00