The sniffer is a simple helper process, activated as a DBus service,
that tries to crawl as many files as possible in the provided target
directory (i.e. the new mount's root), for a maximum amount of time -
which is set here to 1.5 seconds (i.e. it will crawl either all the
files in the directory tree, or as many as it can before the specified
timeout expires).
Crawled files are ordered by their content type, and a generic estimation
of the type of files composing the directory is returned to the caller,
using generic 'x-content/*' mimetypes.
The process will then set an autoquit timeout on itself, which can be
disabled by setting the env variable HOTPLUG_SNIFFER_PERSIST for
debugging purposes. The HOTPLUG_SNIFFER_DEBUG env variable can also be
set to enable debugging output.
https://bugzilla.gnome.org/show_bug.cgi?id=653520
* calendar-server subdirectory of build directory needs to
be created.
* Generate shell-enum-types.c/.h in build directory rather than
in the possibly-read-only source directory.
Unfortunately the evolution-data-server client-side libraries seem to
block the calling thread. This is a major problem as we must never
ever block the main thread (doing so causes animations to flicker
etc.). In the worst case, this problem causes login to hang (without
falling back to fall-back mode) and in the best case it slows down
login until a network connection is acquired.
Additionally, in order to sanely use these evolution-data-server
libraries, GConf has to be involved and GConf is not thread-safe. So
it's not really feasible just moving the code to a separate
thread. Therefore, move all calendar IO out of process and use a
simple (and private) D-Bus interface for the shell to communicate with
the out-of-process helper.
For simplification, remove existing in-process code since internal
interfaces have been slightly revised. This means that the shell is no
longer using any native code for drawing the calendar dropdown.
https://bugzilla.gnome.org/show_bug.cgi?id=641396
Signed-off-by: David Zeuthen <davidz@redhat.com>
