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Instead of using fixed size arrays, use a new cylinder_table structure.
The code copies the weightsystem code, but is significantly more complex
because cylinders are such an integral part of the core.
Two functions to access the cylinders were added:
get_cylinder() and get_or_create_cylinder()
The former does a simple array access and supposes that the cylinder
exists. The latter is used by the parser(s) and if a cylinder with
the given id does not exist, cylinders up to that id are generated.
One point will make C programmers cringe: the cylinder structure is
passed by value. This is due to the way the table-macros work. A
refactoring of the table macros is planned. It has to be noted that
the size of a cylinder_t is 64 bytes, i.e. 8 long words on a 64-bit
architecture, so passing on the stack is probably not even significantly
slower than passing as reference.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In the previous commit, we just continued downloading dives when
download errors happened, but that also makes problems a lot easier to
miss because now they are possibly just transient reports in the
progress bar that get overwritten by the next dive being downloaded.
So this turns a number of these errors from using 'dev_info()' to use a
new 'download_error()' reporting model, which then uses the generic
subsurface error reporting functionality that is sticky and can handle
multiple errors.
It also adds a few 'dev_info()' calls for actual informational messages
about the state of downloading, although the new ones will probably
mainly end up happening before the progress bar is actually shown. But
it might improve on some of the progress messages.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Eric Charbonnier reported a problem downloading the dives from his
OSTC2, and Jef debugged the libdivecomputer log and says:
"Your ostc has 75 dives, but subsurface downloaded only one, and then
stopped the download. That's because that first dive appears to be
corrupt and fails to parse:
ERROR: Buffer overflow detected! [in /win/subsurface/libdivecomputer/src/hw_ostc_parser.c:981 (hw_ostc_parser_samples_foreach)]
Subsurface (incorrectly) considers that a fatal error and stops the
entire download. From a user point of view, it would be much better to
ignore the problematic dive, and continue downloading the remaining"
Subsurface used to just stop downloading if there were parsing errors,
but Jef further says:
"How parser errors are handled is up to the application. Aborting the
download is probably the worst option here. If a dive fails to parse
(because the dive data is corrupt, the parser contains a bug, etc),
that does not necessary mean the remaining dives can't be downloaded"
so let's change the logic to just continue downloading, and hope other
dives work better.
We might want to do better error reporting, right now the errors tend to
just cause "dev_info()" reports, which just set the progress bar text.
So you'll see it in the progress bar as it happens, but it won't get
really ever noted as an error, and it's easy to miss.
But that error reporting is a separate issue, and this just does the
"continue to the next dive" part.
Reported-by: Eric Charbonnier <eric.charbonnier69@gmail.com>
Suggested-by: Jef Driesen <jef@libdivecomputer.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The fill_default_cylinder() function calculated the MOD based
on the currently displayed dive. This does not seem to make sense:
- When importing dives, why would we care about the altitude and
salinity of the currently displayed dive, possibly from a different
trip.
- The planner is supposed to be thread-safe and should not touch
global variables.
Of course this means that the importing-functions have to fill
out altitude and salinity before creating the default cylinder,
but this is their problem. For a freshly created dive they will
get the default values, which still seems less random than the
values from the displayed dive.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Move the declarations of the "report_error()" and "set_error_cb()"
functions and the "verbose" variable to errorhelper.h.
Thus, error-reporting translation units don't have to import the
big dive.h header file.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The parsers / downloaders parse into a separate table and do
not directly change the divelist. Therefore, they shouldn't
call mark_divelist_changed().
Likewise split_dive_at() doesn't modify the dive list and
therefore shouldn't call this function.
Calling the function has the unwanted side-effect that undoing
the change will not clear the *-symbol in the title of the
main window.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The parse_location() function was used in three places. In two
of them, the declaration was in the translation unit. Instead,
move the declaration into a header file, to avoid duplication
and the possibility of inconsistencies.
The "units.h" header was chosen as this is where location_t
is defined.
Moreover, make the string argument to parse_location() "const
char *", so that it can be used on non-owned buffers.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Instead of setting dive->dive_site directly, call the
add_dive_to_dive_site() and unregister_dive_from_dive_site()
functions. In the parser this turned out to be a bit tricky.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Add a dive site table to each dive site to keep track of dives
that have been added to a dive site. Add two functions to add
dives to / remove dives from dive sites.
Since dive sites now contain a dive table, the order of includes
had to be changed: "divesite.h" now includes "dive.h" and not
vice-versa. This caused some include churn.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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No point in pulling that in for all users of "dive.h"
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Since the UUID will be overwritten on save and is only used on save
and load, set it only on save or load. For other created dive sites,
leave the UUID field uninitialized.
This means that the UUID will change between saves. Let's see how
the git saver handles that.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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To extend the undo system to dive sites, the importers and downloaders
must not parse directly into the global dive site table. Instead,
pass a dive_site_table argument to parse into.
For now, always pass the global dive_site_table so that this commit
should not cause any functional change.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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To enable undo of dive site functions, it is crucial to work
with different dive site tables. Therefore add a dive site table
parameter to dive site functions. For now, always pass the global
dive site table. Thus, this commit shouldn't alter any functionality.
After this change, a simple search for dive_site_table reveals all
places where the global dive site table is accessed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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While in theory the DEVINFO event should give us the correct detected
product, it's also possible that the code that usually detects the
product gave up and returns an unknown model.
Try to have the message reflect that situation more accurately.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Since process_imported_dives() can add dives to a newly generated
trip, this need not be done in the downloading code. This makes
data flow distinctly simpler, as no trip table and no add-new-trip
flag has to be passed down to the libdivecomputer glue code.
Moreover, since now the trip creation is done at the import step
rather than the download step, the latest status of the "add to
new trip" checkbox will be considered.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Since recent commits, dive-trips are not added directly to the core,
but into separate trip tables (see ec37c71f5eeb7d4b0c4b8719b52583fadb0b8f4c).
These commits did not finish the work for the download-from-dc
case.
Add an extra trip_table field to device_data_t. If trips are created
(user selected "Download into new trip"), the trip will be created
in that table.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Currently trips are added to the global trip table. If we want to
make dive-import undoable, we should be able to parse trips of a
log-file into a distinct table. Therefore, add a trip_table
parameter to
- insert_trip()
- create_and_hookup_trip_from_dive()
- autogroup_dives()
- unregister_trip()
- remove_dive_from_trip()
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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To make data flow more clear, unglobalize the downloadTable object.
Make it a subobject of DownloadThread. The difficult part was making
this compatible with QML, because somehow the pointer to the
download-table has to be passed to the DiveImportedModel. Desktop would
simply pass it to the constructor. But with objects generated in QML
this is not possible. Instead, pass the table in the repopulate()
function. This seems to make sense, but for this to work, we have to
declare pointer-to-dive-table as a Q_METATYPE. And this only works
if we use a typedef, because MOC removes the "struct" from "struct
dive_table". This leads to compilation errors, because dive_table is
the symbol-name of the global dive table! Sigh.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Replace the UUID reference of struct dive by a pointer to dive_site.
This commit is rather large in lines, but nevertheless quite simple
since most of the UUID->pointer work was done in previous commits.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This changes more of the dive-site interface to return pointers
instead of UUIDs. Currently, most call sites directly extract
UUIDs afterwards. Ultimately, the UUIDs will be generally replaced
by pointers, which will then simplify these callers.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of having people treat latitude and longitude as separate
things, just add a 'location_t' data structure that contains both.
Almost all cases want to always act on them together.
This is really just prep-work for adding a few more locations that we
track: I want to add a entry/exit location to each dive (independent of
the dive site) because of how the Garmin Descent gives us the
information (and hopefully, some day, other dive computers too).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We bundle our version of libdivecomputer and don't expect Subsurface to work
with a different version, certainly not with something older than 0.5.
I kept the checks for SAMPLE_EVENT_STRING and DC_FIELD_STRING and DC_SAMPLE_TTS
because maybe there's a situation where being able to compile with a current
upstream version is useful.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This flag had two distinct uses:
- signal that dives were downloaded, not imported
- use to mark imported dives
Both are not used anymore, therefore remove the flag.
The uemis downloaded misused the flag to mark deleted
dives. Instead misuse the "hidden_by_filter" flag.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Dives are now in all cases imported via distinct dive_tables.
Therefore the "preexisting" marker is useless. Remove.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The error handling was incorrect for the case where we successfully
opened the libdivecomputer iostream in divecomputer_device_open(), but
the dc_device_open() call failed.
When the dc_device_open() failed, we would (correctly) not do the
dc_device_close() but we would _also_ not do the dc_iostream_close() to
close the underlying file descriptor, which is wrong.
Normally this isn't all that noticeable, partly because the common case
is that dc_device_open() succeeds if you actually do have a dive
computer connected, but also because most of the time it just leaked a
file descriptor or something like that.
However, particularly for the POSIX serial device case, libdivecomputer
does a
ioctl(device->fd, TIOCEXCL, NULL)
call to make serial opens exclusive. This is what we want - but if we
then fail at closing the serial file descriptor, we won't be able to
retry the import at all because now the next open will fail with EBUSY.
So the error handling was incorrect, and while it doesn't usually matter
all that much, it can be quite noticeable particularly when you have
transient errors.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If no dives were downloaded in do_libdivecomputer_import(), an
error message would be produced. To check for downloaded dives,
the function would access the global downloadTable instead of
the actual table the dives are imported to (at the moment the
same - but the interface allows for a different table).
Move the error-creation to the caller to avoid this situation.
An alternative option would be to check the actual table the
dives were supposed to be downloaded to. But from a program-logic
point of view "no dives" does not seem like an error condition.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The existing code creates a deterministic ID (not exactly "unique") in order to
help us avoid merge conflicts in git-storage mode. But as a side effect, if we
re-download the same dive twice from a dive computer that supports GPS (right
now only the Garmin Descent Mk1) we are guaranteed to create the same dive site
uuid when we do this. So when we download a dive - whether we will actually
*use* that dive later or not - we will be filling in the dive site information
with the data we got from the dive computer.
... and in the process we will be overwriting any data that was filled in
manually. The name of the dive site, but also possibly even the GPS of the dive
site (maybe the user decided to edit that using the map, because while the
automatically downloaded GPS data was "correct", maybe the user wanted to
change it to be the actual under-water location using the satellite data,
rather than the place where you started the dive or where you surfaced).
In order to avoid this collision, this patch just makes the libdivecomputer
download not use the dive time, but "time of download" for the dive site time,
and thus effectively generate a new uuid for every download.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Using dc_serial_open as a fallback to ftdi_open is just wrong, and will
never work, just mask the real error and introduce read herrings.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
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That just means that we're not in deco, the same way as giving a nonzero
NDL value does. But if you don't have NDL, this is a much more
convenient way of saying "not in deco".
The Garmin Descent gives us stop information, but not necessarily NDL,
and really wants this.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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libdivecomputer didn't use to have a TTS sample value, but we're adding
one, so add conditional support for it if it exists.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dive computers that do GPS can report their GPS data as one or more
string fields, and if the first tree letters of the description is
"GPS", then we'll take the string and turn it into a dive site for that
dive.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is part of the whole "let's support the notion of dive computers
being exported as USB storage devices" push.
With an older libdivecomputer, we'll just fall back on failing the
operation, but we still want to support the generic notion of
DC_TRANSPORT_USBSTORAGE since we have our own internal Uemis downloader.
That one won't ever get to the open phase, since it's caught earlier.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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It makes no sense to have the OS try (and fail) to open that device name.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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On mobile those area always created and available for simple cut and paste.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Don't spill supported transports as error message to the user.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Unused parameters in C are "silenced" by adding UNUSED(x)
Signed-off-by: Jan Iversen <jani@apache.org>
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First small step to shrinking dive.h.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This should make sure we create a consistent view based on all the
information available.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If the user specified bluetooth, we really should pick bluetooth, not
probe and possibly fall back to something else.
We should also honor the users choice of BLE vs classic BT.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This opportunistically uses a cache of 'fingerprints' for already
downloaded dives.
As we download data from a dive computer, we save the fingerprint and
dive ID of the most recent dive in a per-divecopmputer fingerprint cache
file.
The next time we download from that dive computer, we will load the
cache file for that dive computer if it exists, verify that we still
have the dive that is referenced in that cachefile, and if so use the
fingerprint to let libdivecomputer potentially stop downloading dives
early.
This doesn't much matter for most dive computers, but some (like the
Scubapro G2) are not able to download one dive at a time, and need the
fingerprint to avoid doing a full dump. That is particularly noticeable
over bluetooth, where a full dump can be very slow.
NOTE! The fingerprint cache is a separate entity from the dive log
itself. Unlike the dive log, it doesn't synchronize over the cloud, so
if you download using different clients (say, your phone and your
laptop), the fingerprint cache entries are per device.
So you may still end up downloading dives you already have, because the
fingerprint code basically only works to avoid duplicate downloads on
the same installation.
Also, note that we only have a cache of one single entry per dive
computer and downloader, so if you download dives and then don't save
the end result, the fingerprint will now point to a dive that you don't
actually have in your dive list. As a result, next time you download,
the fingerprint won't match any existing dive, and we'll resort to the
old non-optimized behavior.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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device
This creates a new libdivecomputer_device_open() helper, and makes
downloading and configuration use it to open the dive computer device
using the proper protocol.
The IRDA case was tested by Sébastien Dugué - I had initially left it
undone believing that "nobody uses IRDA".
Reported-and-tested-by: Sébastien Dugué <sebastien.dugue.subsurface@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This converts our old custom IO model to the new model that
libdivecomputer introduced. This is partly based on Jef's rough patch
to make things build, with further work by me.
The FTDI code is temporarily disabled here, because it will need to be
integrated with the new way of opening devices.
The ble_serial code goes away entirely, since now libdivecomputer knows
about BLE transport natively, and doesn't need to have any serial
wrapper around it.
Signed-off-by: Jef Driesen <jef@libdivecomputer.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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get_dive_date_c_string() and get_current_date() return copied strings.
Make this explicit by returning non-const pointers.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Mostly replace "return (expression);" by "return expression;" and one
case of "function((parameter))" by "function(parameter)".
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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There are ca. 50 constructs of the kind
same_string(s, "")
to test for empty or null strings. Replace them by the new helper
function empty_string().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In libdivecomputer.c, name_buffer is formatted with calls like
snprintf(name_buffer, 9, "%d cuft", rounded_size);
This works fine in the regular case, but it generates compiler
warnings, since theoretically the integer might produce up to
11 digits, leading to a truncation of the string.
Increasing the size of name_buffer to 17 chars silences these
warnings. This may seem like pointless warning-silencing.
Nevertheless, in the case of invalid data, it might make debugging
easier since, in the above case, the "cuft" is never truncated.
In total, it seems that this is a benign change with potential,
though in a very unlikely case, positive effects.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Berthold Stoeger
Linus Torvalds
Dirk Hohndel
Anton Lundin
jan Iversen