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2026-01-02internal/pkg: encode entry in custom formatOphestra
The fact that Gob serialisation is deterministic is an implementation detail. This change replaces Gob with a simple custom format. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-02internal/pkg: implement caching for filesOphestra
This change contains primitives for validating and caching single-file artifacts. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-19internal/pipewire: raise Core::Sync timeoutOphestra
Hopefully relieves spurious failures on a very overloaded system. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-19internal/pipewire: EPOLL_CTL_ADD instead of EPOLL_CTL_MODOphestra
Implementation is no longer tied down by the limitations of SyscallConn. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-19internal/pipewire: hold socket fd directlyOphestra
The interface provided by net is not used here and is a leftover from a previous implementation. This change removes it. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-19internal/pipewire: inform conn of blocking intentOphestra
The interface does not expose underlying kernel notification mechanisms. This change removes the need to poll in situations were the next call might block. This is made cumbersome by the SyscallConn interface left over from a previous implementation, it will be replaced in a later commit as the current implementation does not make use of any net.Conn methods other than Close. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-18internal/pipewire: sendmsg/recvmsg errors are fatalOphestra
When returned wrapped as a syscall error, these are impossible to recover from, so wrap them as a fatal error. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-15internal/outcome: expose pipewire via pipewire-pulseOphestra
This no longer exposes the pipewire socket to the container, and instead mediates access via pipewire-pulse. This makes insecure parts of the protocol inaccessible as explained in the doc comment in hst. Closes #29. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-15internal/outcome: look up pipewire-pulse pathOphestra
This is for setting up the pipewire-pulse container in shim, for #29. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-15internal/outcome: optional shim private dirOphestra
This is a private work directory owned by the specific shim. Useful for sockets owned by this instance of the shim and requires no direct assistance from the priv-side process. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: handle SecurityContext::Create errorOphestra
This method can result in an error targeting it, so it is handled here. This change also causes a call to Create to also Core::Sync, as it should have done. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: SecurityContext as destructibleOphestra
This proxy can be destroyed by sending a Core::Destroy targeting it. This change implements the Destroy method by embedding destructible. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: reorder context structOphestra
This change reorders and groups struct elements. This improves readability since this struct holds a lot of state loosely related to each other. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: implement Core::DestroyOphestra
This change also implements pending destructible check on Sync. Destruction method should always be implemented as a wrapper of destructible.destroy. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: do not emit None for spa_dictOphestra
Turns out the PipeWire server does not expect a value of type None here at all. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: implement Core::CreateObjectOphestra
Nothing uses this right now, this would have to be called by wrapper methods on Registry that would search the objects Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: handle nil spa_dict correctlyOphestra
This now marshals into a value of type None when the slice is nil, and correctly unmarshals from type None. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: unmarshal nil pointer correctlyOphestra
This now calls unmarshalCheckTypeBounds to advance to the next message. Additionally, handling for None value is relocated to a function for reuse by other types. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: return correct size for nil spa_dictOphestra
A nil spa_dict results in a None type value being sent over the wire. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-14internal/pipewire: move Core wrapper methods under CoreOphestra
These do not belong under Context, and is an early implementation limitation that carried over. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-13internal/pipewire: treat noAck violation as fatalOphestra
Receiving this event indicates something has gone terribly wrong somehow, and ignoring Core::BoundProps causes inconsistent state anyway. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-13internal/pipewire: implement Core::RemoveIdOphestra
This is emitted by the server when a proxy id is removed for any reason. Currently, the only path for this to be emitted is when a global object is destroyed while some proxy is still bound to it. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-11internal/pipewire: treat unknown opcode as fatalOphestra
Skipping events can cause local state to diverge from the server. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-11internal/pipewire: generic Core::Error handlingOphestra
This flushes message buffer before queueing the event expecting the error. Since this is quite useful and relatively complex, it is relocated to a method of Context. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-11internal/pipewire: export Registry::DestroyOphestra
This handles the error returned by Sync. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-10internal/outcome: populate instance metadata for PipeWireOphestra
These have similar semantics to equivalent Wayland security-context-v1 fields. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-10internal/pipewire: cleaner error message for unsupported typeOphestra
The error string itself is descriptive enough, so use it as the error message directly. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-10internal/pipewire: implement Registry::DestroyOphestra
This requires error handling infrastructure in Core that does not yet exist, so it is not exported for now. It has been manually tested via linkname against PipeWire. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-10internal/pipewire: implement Registry::GlobalRemoveOphestra
This is emitted by PipeWire when a global object disappears, because PipeWire insists that all clients that had called Core::GetRegistry must constantly sync its local registry state with the remote. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09internal/pipewire: expose connection propsOphestra
Unused in hakurei but could be useful when the package is moved out of internal. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09internal/pipewire: include remaining size in recvmsg wrapperOphestra
This otherwise truncates the received data by len(remaining) bytes. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09internal/pipewire: reset per-roundtrip state once per callOphestra
This was left in consume when relocating per-roundtrip code out of the per-receive consume method. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09internal/pipewire: increment remote sequence after establishing boundsOphestra
This avoids incrementing it twice proceeding from a partial message. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09internal/pipewire: do not clobber error parsing SCMsOphestra
The error is handled later, clobbering it here breaks error handling when SCMs are present. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-09Revert "internal/pipewire: work around remote sequence quirk"Ophestra
This reverts commit 564db6863b8e0e90cbf7210152c53124fddc1b4c.
2025-12-08internal/pipewire: work around remote sequence quirkOphestra
Remote sequence sometimes start with a non-zero value, and keeps the same value for a while before going back to zero. Conditions for reproducing this behaviour is not yet known. This change works around this behaviour. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08treewide: include PipeWire op and enforce PulseAudio checkOphestra
This fully replaces PulseAudio with PipeWire and enforces the PulseAudio check and error message. The pipewire-pulse daemon is handled in the NixOS module. Closes #26. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08hst: expose daemon as fs entryOphestra
This is slightly counterintuitive, but it turned out well under this framework since the daemon backs its target file. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-08internal/outcome: integrate pipewire serverOphestra
This is very simple and takes almost no inputs. This is not yet hooked up to anything to prevent breaking any existing behaviour. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/pipewire: constant for PIPEWIRE_REMOTEOphestra
This is not defined anywhere in upstream PipeWire, no idea why. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07hst: add pipewire flagOphestra
These are for #26. None of them are implemented yet. This fixes up test cases for the change to happen. Existing source code and JSON configuration continue to have the same effect. Existing flags get its EPulse bit replaced by EPipeWire. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/system: integrate PipeWire SecurityContextOphestra
Tests for this Op happens to be the best out of everything due to the robust infrastructure offered by internal/pipewire. This is now ready to use in internal/outcome for implementing #26. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/system: optional op check parallelismOphestra
The PipeWire Op check cannot be made parallel due to the OS interaction. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/pipewire: set finalizer on sccOphestra
This prevents leaking the socket and pipe fds. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/pipewire: seq access method for consumeOphestra
This improves readability as the offset is not immediately obvious. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/pipewire: respond to Core::PingOphestra
There is currently no known message that will get the PipeWire server to emit this event. It should be handled regardless. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/pipewire: specify opcode and file count with messageOphestra
This adds checking of FileCount while writing a message. Message encoding is relocated to an exported method to be used externally, probably for test stubbing. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/system: pass syscall error messageOphestra
This makes wrapped syscall errors produce a cleaner error message. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/system: port connect by nameOphestra
This behaviour is a bit messy and checks what appears to be a windows-specific environment variable for some reason. Keeping everything intact regardless to match upstream behaviour. Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-12-07internal/system: remove ineffectual join reverting waylandOphestra
Removing the pathname socket used to be handled separately, now it is done during the Close call. Signed-off-by: Ophestra <cat@gensokyo.uk>