ctf: check version of LTTng trace index
If LTTng was to start producing trace index files with major version 2,
it would presumably be because the format has become
backwards-incompatible. Babeltrace would currently try to parse it like
it parses version 1.x index files, and that would likely not give good
results.
This patch makes Babeltrace check the major version of LTTng trace index
files before parsing them, and ignore them if the major version is not 1.
Change-Id: Ieb4a795a3fce1f5196a2b4ab44575da1b4fc1364
Signed-off-by: Simon Marchi <simon.marchi@efficios.com>
Reviewed-on: https://review.lttng.org/c/babeltrace/+/2325
Tested-by: jenkins <jenkins@lttng.org>
Reviewed-by: Francis Deslauriers <francis.deslauriers@efficios.com>
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