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author | Max Kellermann <max@duempel.org> | 2014-01-26 15:04:56 +0100 |
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committer | Max Kellermann <max@duempel.org> | 2014-01-26 15:04:56 +0100 |
commit | bcc1f933702770c276e7353d71cb0c5fff75bc4a (patch) | |
tree | a7251a557d441353fcc630a8eba67b1e1c695efe /src/lib/upnp/Callback.hxx | |
parent | b161d723269d851a2d237880b8f5149b58b736c2 (diff) | |
download | mpd-bcc1f933702770c276e7353d71cb0c5fff75bc4a.tar.gz mpd-bcc1f933702770c276e7353d71cb0c5fff75bc4a.tar.xz mpd-bcc1f933702770c276e7353d71cb0c5fff75bc4a.zip |
upnp: add class UpnpCallback
Each Upnp*Async() call passes a new cookie pointer, and the cookie
passed to UpnpRegisterClient() appears to be ignored. Using this
interface is a more elegant approach than having one single "handler"
function.
Diffstat (limited to '')
-rw-r--r-- | src/lib/upnp/Callback.hxx | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/lib/upnp/Callback.hxx b/src/lib/upnp/Callback.hxx new file mode 100644 index 000000000..85daf0a7e --- /dev/null +++ b/src/lib/upnp/Callback.hxx @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2003-2014 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_UPNP_CALLBACK_HXX +#define MPD_UPNP_CALLBACK_HXX + +#include <upnp/upnp.h> + +/** + * A class that is supposed to be used for libupnp asynchronous + * callbacks. + */ +class UpnpCallback { +public: + /** + * Pass this value as "cookie" pointer to libupnp asynchronous + * functions. + */ + void *GetUpnpCookie() { + return this; + } + + static UpnpCallback &FromUpnpCookie(void *cookie) { + return *(UpnpCallback *)cookie; + } + + virtual int Invoke(Upnp_EventType et, void *evp) = 0; +}; + +#endif |