* We can't reliably know when we can safely remove the layer property
at capture time because it's impossible to know if an android app will
use vulkan or not. So instead we fall back to unsetting it whenever we
need to - before opening a capture or when shutting down the remote
server (in case after capturing, no frame capture was actually opened)
* This means that if the UI crashes without unsetting it, we will poison
the state, but this seems unavoidable.
* Android::StartAndroidPackageForCapture can take a long time, and we
want to preserve the connection, so we spin up a temporary thread to
continually Ping().
* Mostly used for passing a progress float back during a long blocking
call like opening a capture or doing a copy.
* This is much more feasible for python to bind to.
* In several cases we just use a tiny lambda that updates a float anyway
since we can't push the progress directly into a progress dialog, but
need to let it query from a temporary in-between float.
* We track the progress through making a capture as well as the progress
we already tracked loading a capture.
* Also incidentally fix a copy-paste bug that was calculating the wrong
progress for loading captures by applying FileInitialRead instead of
FrameEventsRead for the frame replay.
* Previously each read and write would 1:1 become a send or recv call.
* Now we buffer writes and send in batch (or when a chunk finishes),
and every time we read we try to non-blocking read more data to fill
the buffer, to allow batching reads where possible without blocking
on data that will never come.
* Previously once we started loading a capture we'd blindly continue
until we loaded it (and then it's assumed to be successful), or we
crash.
* Now errors can be reported during serialisation and bubbled up to
abort the file load process. The next steps are to add error checking
in each function serialise before doing any replay calls to the API
with potentially corrupt data, and on top of that catching API-only
errors when the serialisation is (seemingly) fine, and propagating
those in a reasonable way.
* We also harden the serialisation a bit so that if it reads an
obviously invalid byte length for a buffer or array count, it won't
continue. It's still not perfect as the sizes could still be large and
invalid but within range, but it should catch the worst cases.
* Reported by Coverity Scan - most of these are not an issue and a
couple of them are coverity getting really confused (like seeing a
pointer being assigned to NULL and a count to 0, then a few lines
later declaring that a loop 0..count will dereference the pointer).
* However it's harmless in all cases to add a bit of robustness to keep
the analysis happy.
* Note that while this is public and uses std::string, because it's a
template with specialisations in a .inl the string never crosses a
module boundary - each including module has its own implementation.
* This will be used as part of the upcoming serialisation refactor.
* Some POD structs are still given ToStr implementations as we haven't
yet switched over the serialisation system to expect all structs to
have serialise functions.
* Since these types are more prevalent than originally designed, it
makes more sense to remove the namespace for ease of typing/naming.
* Also add a specialised type 'bytebuf' for an array of bytes.
* This makes mapping easier to SWIG since there's no special casing for
namespaced arrays. Especially so for nested cases like
rdctype::array<rdctype::str> -> rdcarray<rdcstr>
* For the most part the interface is stl-compatible, but we have a few
little changes of our own for convenience.
* This class is still needed after deleting the C# UI, because we don't
want to pass C++ stl structs over module boundaries and possibly run
into hard to diagnose incompatibilities.
* We forward a different range of ports to each device so we can pick
and choose which to communicate with based on its index.
* The index is encoded in the 'hostname' like so: adb:X:deviceidhere
* Whenever we want to interact with an android device we always specify
the device, never leave it to a default.
* Generally this means removing ref out parameters and instead returning
values. In a couple of cases we will want to avoid copies in future
either by returning const references (e.g. to the pipeline state which
is immutable).
* At the same time, some pointless bool return values that were always
true and didn't indicate errors have been removed. They can be added
again if an error condition comes back.
* Some free functions still have out parameters as C linkage doesn't
allow returning user types by value.
* The C# UI still invokes into C wrappers for all the C++ classes, which
handle taking the return value and doing a copy into an out parameter
still for compatibility.
* This gives a little nicer syntax, a bit better type safety, and also
reflects better for SWIG bindings. Overall it's a minor change but
better.
* We don't update the C# UI at all, since it's soon to be removed and
not worth the effort/code churn.
* For now so we're ABI compatible with C#, all enums are uint32_t, but
that is an obvious optimisation in future to reduce struct packing.
* We avoid 'None' as an enum value, because it's a reserved word in
python so will cause problems generating bindings.
* For now, just redirect to 127.0.0.1 and assume the user has proper
port forwarding set up, but in future we'd do this ourselves and maybe
parse out a device name after the adb: