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If a client sends an invalid window ID or similar to the WindowServer,
we'll now immediately mark them as misbehaving and disconnect them.
This might be too aggressive in some cases (window management, ...)
but it's just a place to start.
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This matches what we're already calling the server-side subclasses
better, though we'll probably want to find some better names for the
client-side classes eventually.
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Move over the CoreIPC::Server and CoreIPC::Client namespace stuff
into LibIPC where it will soon becomes LibIPC-style things.
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This patch introduces code generation for the WindowServer IPC with
its clients. The client/server endpoints are defined by the two .ipc
files in Servers/WindowServer/: WindowServer.ipc and WindowClient.ipc
It now becomes significantly easier to add features and capabilities
to WindowServer since you don't have to know nearly as much about all
the intricate paths that IPC messages take between LibGUI and WSWindow.
The new system also uses significantly less IPC bandwidth since we're
now doing packed serialization instead of passing fixed-sized structs
of ~600 bytes for each message.
Some repaint coalescing optimizations are lost in this conversion and
we'll need to look at how to implement those in the new world.
The old CoreIPC::Client::Connection and CoreIPC::Server::Connection
classes are removed by this patch and replaced by use of ConnectionNG,
which will be renamed eventually.
Goodbye, old WindowServer IPC. You served us well :^)
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The CNetworkJob::on_finish hook will be invoked both for success and
failure, but there will only be a m_job->response() in the success case
so we have to null-check it before using it.
This should have been obvious from the "->"
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Previously it was not possible to see what each thread in a process was
up to, or how much CPU it was consuming. This patch fixes that.
SystemMonitor and "top" now show threads instead of just processes.
"ps" is gonna need some more fixing, but it at least builds for now.
Fixes #66.
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For services explicitly configured as lazy, SystemServer will now listen
on the socket and only spawn the service once a client attempts to connect
to the socket.
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SystemServer can now create sockets on behalf of services before spawning any
of them, and pass the open socket fd as fd 3. CLocalServer gains a method to
complete the takeover and listen on the passed fd.
This is not used by any services at the moment.
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When reaping a child, SystemServer will now match up child's pid with its own
record of the services, and respawn the service if keepalive is enabled for it.
For example, we want to restart the WindowServer if it crashes, but we wouldn't
want to restart the Terminal if it gets closed.
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This replaces the hardcoded services list with a very simple config
file in /etc/SystemServer.ini :^)
Closes https://github.com/SerenityOS/serenity/issues/610
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Since it's used both by CGzip and PNGLoader, it seems most appropriate
to keep this in LibCore.
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The DownloadFinished message from the server now includes a buffer ID
that can be mapped into the client program.
To avoid prematurely destroying the buffer, the server will hang on to
it until the client lets it know that they're all good. That's what the
ProtocolServer::DisownSharedBuffer message is about.
In the future it would be nice if the kernel had a mechanism to allow
passing ownership of a shared buffer along with an IPC message somehow.
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This patch adds ProtocolServer, a server that handles network requests
on behalf of its clients. The first protocol implemented is HTTP.
The idea here is to use a plug-in architecture where any number of
protocols can be added and implemented without having to mess around
with each client program that wants to use the protocol.
A simple client API is provided through LibProtocol::Client. :^)
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Now the menu audio icon updates between muted/unmuted when anything in
the system changes the muted state. :^)
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Client-side connection objects must now provide both client and server
endpoint types. When a message is received from the server side, we try
to decode it using both endpoint types and then send it to the right
place for handling.
This now makes it possible for AudioServer to send unsolicited messages
to its clients. This opens up a ton of possibilities :^)
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Clicking on this icon toggles the AudioServer muted state.
It currently does not react to muted state changes caused by other
programs, since it has no way of learning about those from AudioServer,
other than performing a synchronous IPC call (GetMuted), which we don't
want to be doing in the WindowServer :^)
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This patch adds muting to ASMixer, which works by substituting what we
would normally send to the sound card with zero-filled memory instead.
We do it this way to ensure that the queued sample buffers keep getting
played (silently.)
This is obviously not the perfect way of doing this, and in the future
we should improve on this, and also find a way to utilize any hardware
mixing functions in the sound card.
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When a window is being resized, its size may differ from the size of its backing
store. In this case, peek at the direction the window is being resized in, and
render the backing store at the same place as it was previously.
https://github.com/SerenityOS/serenity/issues/52
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When a window is being interactively resized, there are several rules
beyond the actual mouse movement that can impact the new size of the
window, such as its size increments and minimum size limit.
Move the placement logic after applying all the sizing logic, so that
whatever final size the window ends up with, the sides of the window
that do move are the ones that the user is dragging.
https://github.com/SerenityOS/serenity/issues/52
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This fixes race conditions & failures during build.
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This patch adds pthread_create() and pthread_exit(), which currently
simply wrap our existing create_thread() and exit_thread() syscalls.
LibThread is also ported to using LibPthread.
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Now that the WindowServer's menu is the primary way to start apps,
it is especially noticable that it leaks the /dev/fb0 fd to the apps
that it spawns. Fix that by opening it with O_CLOEXEC.
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The Launcher's functionality has been replaced by the app shortcuts in
the system menu.
There were various window management hacks to ensure that the launcher
stayed below all other windows while also being movable, etc.
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Separators can't have identifiers associated with them, so it's not
possible to react meaningfully to their activation. Don't send messages
about it to avoid confusing the clients.
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Let the global menu bar be either "open" or "closed". Clicking on one
of the menus in the menu bar toggles the state.
This ends up simpler and more intuitive than what we had before.
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This patch moves a whole lot of the menu logic from WSWindowManager to
its proper home in WSMenuManager.
We also get rid of the "close_current_menu()" concept which was easily
confused in the presence of submenus. All operations should now be
aware of the menu stack instead. (The concept of a single, current menu
made a lot more sense when there were no nested menus.)
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If the .af file for an app contains the App/Category key, we'll now put
it in a submenu of the system menu, together with all the other apps in
that same category. This is pretty neat! :^)
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Launcher is being replaced by application shortcuts in the system menu.
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The new system directory /res/apps now contains ".af" files describing
applications (name, category, executable path, and icon.)
These are used to populate the system menu with application shortcuts.
This will replace the Launcher app. :^)
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At least 5 pixels of dragging in some direction needed until a window
gets de-maximized.
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Having four virtual (text) consoles by default seems really overkill
for a system that can't even switch to them anyway (yet!)
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LibAudio now supports pausing playback, clearing the buffer queue,
retrieving the played samples since the last clear and retrieving
the currently playing shared buffer id
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Ports/.port_include.sh, Toolchain/BuildIt.sh, Toolchain/UseIt.sh
have been left largely untouched due to use of Bash-exclusive
functions and variables such as $BASH_SOURCE, pushd and popd.
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The menubar bar wasn't being resized correctly, as the underlying Window
was never being resized when `DisplayProperties` was chaning the
resolution while the system was running. `m_window` now gets the
correct window size when it's been updated, so a reboot isn't required.
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SystemServer didn't reap its child processes. This commit adds
sigchld_handler, which reaps children when appropriate.
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The code was already trying to do this, but it was centering inside the
screen rect before we had a screen rect. :^)
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Now the AClientConnection can get the count of samples still in the
buffer queue.
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The variable m_playing_queued_buffer_id was defined but not used.
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Also change the API to take a destination rect instead of a source rect
since internally it was basically creating a destination rect from the
source rect anyway. It was a little confusing.
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