| Commit message (Collapse) | Author | Age | Files | Lines |
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Change RegisterWorker return type from void to [[nodiscard]] bool across
the FunctionRunner hierarchy so callers can detect registration failures
at the point of registration rather than at action execution time.
- FunctionRunner pure virtual: void -> [[nodiscard]] bool
- LocalProcessRunner: always returns true (debug dump only)
- RemoteHttpRunner: returns false on the three HTTP error paths (removes
the TODO comments), true on success/already-known
- BaseRunnerGroup: returns true only if all runners succeeded
- Callers in computeservice.cpp log warnings on failure but continue
best-effort
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Instead of relying solely on the 5-second polling throttle in
UpdateCoordinatorState(), the compute session now connects a WebSocket
client to /orch/ws. When the orchestrator broadcasts a state change the
handler calls NotifyOrchestratorChanged() which bypasses the throttle and
wakes the scheduler thread immediately.
The MockOrchestratorService in tests gains IWebSocketHandler support and
broadcasts a poke on SetWorkerList(), and all nine Sleep(7'000) calls are
replaced with NotifyOrchestratorChanged() + Sleep(2'000), saving ~45s from
the remote-function test suite.
Also extracts the repeated HTTP→WS scheme-conversion pattern into a shared
HttpToWsUrl() helper in zenhttp.
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Add Ready(), Abandon(), and SetOrchestrator() inline helpers to reduce
verbosity at call sites, especially in tests.
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Previously Shutdown() only stopped the monitor thread without cleaning up
remote state. Now it:
1. Stops accepting new work (m_AcceptNewActions flag guards QueryCapacity,
SubmitAction, and SubmitActionBatch)
2. Cancels all known remote queues via HTTP DELETE
3. Stops the monitor thread
4. Drains m_RemoteRunningMap and marks remaining actions as Failed so the
scheduler can reschedule or finalize them
Adds two integration tests exercising the new behavior:
- shutdown_cancels_queues: verifies remote queues are cancelled on shutdown
- shutdown_rejects_new_work: verifies submissions are rejected after shutdown
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- Improvement: Add easy access options for sanitizers with `xmake config` and `xmake test` as options
- `--msan=[y|n]` Enable MemorySanitizer (Linux only, requires all deps instrumented)
- `--asan=[y|n]` Enable AddressSanitizer (disables mimalloc and sentry)
- `--tsan=[y|n]` Enable ThreadSanitizer (Linux/Mac only)
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- sentryintegration.cpp: sentry_options_new() can return nullptr on OOM;
all subsequent sentry_options_set_* calls would immediately SIGSEGV.
Guard with an early return that sets m_SentryErrorCode = -1 so Close()
correctly skips sentry_close().
- zenserver.cpp: ZenServerState::Register() returns nullptr if the shared
memory entry table is full. The subsequent Entry->SignalHasInstanceInfo(),
Entry->SignalNoNetwork(), Entry->AddSponsorProcess(), and DoRun(Entry)
calls would all SIGSEGV. Throw a descriptive runtime_error instead,
which is caught by the existing catch handlers in Run().
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ZEN_WARN/INFO/CRITICAL calls before InitializeLogging() are silently
discarded. Switch all log calls in ZenServerMain::Run() that precede
InitializeLogging() — the ZenServerState early-exit block, the lock
file retry block, and the catch handlers — to their ZEN_CONSOLE_*
equivalents. Also fix the same issue in ZenServerState::Sweep() and
Snapshot() which had been inconsistently converted to fprintf+std::format.
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Parse subcommand args permissively with allow_unrecognised_options(),
then forward unmatched tokens back to the parent parser which remains
strict. This lets commands like `zen exec http --path d:\recording`
work where --path is a parent (exec) option placed after the
subcommand name.
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The default suite filter (e.g. "core.*") was set via setOption before
applyCommandLine, but doctest appends filters rather than replacing,
so an explicit --test-suite=core.xxhash would match against both
"core.*" and "core.xxhash", with the wildcard winning.
Fold the default into ApplyCommandLine so it is only applied when
no explicit --test-suite/--ts is present on the command line.
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The line-prefix width calculation included ANSI color escape bytes,
causing continuation lines to be over-indented by the size of the
color sequences. Subtract ANSI byte count to get the visual width.
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Retracted is an explicit, instigator-initiated request to pull an action
back and reschedule it on a different runner (e.g. capacity opened up
elsewhere). Unlike Failed/Abandoned auto-retry, rescheduling from
Retracted does not increment RetryCount since nothing went wrong.
- Add Retracted enum value after Cancelled with static_assert guarding
ordinal placement so runner-side transitions cannot override it
- Implement idempotent RetractAction() CAS method on RunnerAction
- Extend ResetActionStateToPending() to accept Retracted without
incrementing RetryCount
- Add RetractAction() to ComputeServiceSession with pending/running
map lookup and runner cancellation for running actions
- Handle Retracted in HandleActionUpdates() scheduler loop (remove
from active maps, reset to Pending, no history/results entry)
- Add POST jobs/{lsn}/retract and queues/{queueref}/jobs/{lsn}/retract
HTTP endpoints
- Bump ActionHistoryEntry::Timestamps array from [8] to [9]
- Add state machine documentation and per-state comments to RunnerAction
- Add tests: retract_pending, retract_not_terminal, retract_http
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NotifyQueueActionComplete (which decrements ActiveCount) was called after
releasing m_ResultsLock. GetActionResult acquires m_ResultsLock to consume
the result, so a caller could observe ActiveCount still at 1 immediately
after GetActionResult returned OK if the scheduler thread was preempted
between releasing m_ResultsLock and reaching NotifyQueueActionComplete.
Fix by calling NotifyQueueActionComplete before the m_ResultsLock block
that publishes the result into m_ResultsMap. This guarantees that by the
time GetActionResult can return OK, the queue counters are already updated.
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stripped
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AbandonAllActions() scans m_PendingActions to mark actions as Abandoned,
but EnqueueAction posts actions to m_UpdatedActions first — the scheduler
inserts them into m_PendingActions on its next tick. If the session
transitions to Abandoned in that window, AbandonAllActions() sees an empty
m_PendingActions and the actions are later inserted as Pending with no one
left to abandon them, causing GetActionResult to return 202 indefinitely.
Fix: in HandleActionUpdates, when processing a Pending-state action, check
if the session is already Abandoned and if so call SetActionState(Abandoned)
immediately rather than inserting into the pending map. SetActionState calls
PostUpdate internally, so the action re-enters m_UpdatedActions as Abandoned
and flows into m_ResultsMap on the next scheduler pass.
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- Move ~920-line ExecUsingSession method into a dedicated ExecSessionRunner class
with explicit per-run state and focused methods (DrainCompletedJobs,
SaveResultOutput, SaveActionOutput, WriteSummaryFiles, etc.)
- Bundle read-only config into ExecSessionConfig struct, both defined in the .cpp
since no external clients exist
- Promote FunctionDefinition to namespace-scope ExecFunctionDefinition
- Move EscapeHtml/EscapeJson from lambdas to static functions in anonymous namespace
- Replace monolithic ExecCommand with subcommand-based architecture using
ZenCmdWithSubCommands (http, inproc, beacon, dump, buildlog)
- Subcommands call ExecCommand::RunSession() which constructs config + runner
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- Convert RotatingFileSink from header-only to pimpl with rotatingfilesink.cpp
- Convert JsonFormatter from header-only to pimpl with jsonformatter.cpp
- Strip ANSI SGR sequences in JsonFormatter's WriteEscapedString
- Move fullformatter.cpp and logging.cpp into src/zenutil/logging/ subdirectory
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- Move ANSI color emission from sink into formatters via Formatter::SetColorEnabled()
- Remove ColorRangeStart/End from LogMessage — no longer needed
- Extract color helpers (AnsiColorForLevel, StripAnsiSgrSequences) into helpers.h
- Extract IsColorTerminal() and ResolveColorMode() as public free functions
- Strip ANSI SGR sequences in RotatingFileSink to keep log files clean
- Move FullFormatter from header-only to pimpl with fullformatter.cpp
- Make AnsiColorStdoutSink::m_Dirty atomic for lock-free Flush() fast path
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When color is disabled, strip any SGR escape sequences (\033[...m) from
the formatted log line before writing. This prevents upstream application
code from leaking raw escape sequences into non-terminal output.
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Build the complete log line (with ANSI escapes) in memory and emit it
in a single write call instead of multiple fwrite calls. On Windows,
use WriteFile directly to bypass C runtime buffering. Remove per-message
fflush and add a dirty flag so Flush() is a no-op when nothing was
written. Replace std::mutex with RwLock for codebase consistency.
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Log hostname, platform, CPU count and total memory alongside the
worker URI so operators can identify machines at a glance.
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The generated zip is a build artifact, not a source file. Generate it
into $(buildir)/frontend/ instead of src/zenserver/frontend/ so it no
longer pollutes the source tree.
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- Consolidate duplicated action submission logic in httpcomputeservice into a single HandleSubmitAction method supporting both single-action and batch (actions array) payloads
- Group actions by queue in RemoteHttpRunner and submit as batches with configurable chunk size, falling back to individual submission on failure
- Extract shared helpers in computeservice: MakeErrorResult, ValidateQueueForEnqueue, ActivateActionInQueue, RemoveActionFromActiveMaps
- Add WriteCompactBinaryObject to zencore
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- Improvement: Fixed issue where oplog upload could create blocks larger than the max limit (64Mb)
Refactored remoteprojectstore.cpp to use ParallelWork and exceptions for error handling.
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Refactored builds_cmd to split subcommands into dedicated classes, in an effort to reduce surface area and complexity to improve maintainability.
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This PR makes it *possible* to do a Windows build on Linux via `clang-cl`.
It doesn't actually change any build process. No policy change, just mechanics and some code fixes to clear clang compilation.
The code fixes are mainly related to #include file name casing, to match the on-disk casing of the SDK files (via xwin).
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removal (#841)
- Percent-decode URIs in ASIO HTTP server to match http.sys CookedUrl behavior, ensuring consistent decoded paths across backends
- Add Environment field to CreateProcOptions for passing extra env vars to child processes (Windows: merged into Unicode environment block; Unix: setenv in fork)
- Add GetCompilerName() and include it in build options startup logging
- Suppress Windows CRT error dialogs in test harness for headless/CI runs
- Fix mimalloc package: pass CMAKE_BUILD_TYPE, skip cfuncs test for cross-compile
- Add virtual destructor to SentryAssertImpl to fix debug-mode warning
- Simplify object store path handling now that URIs arrive pre-decoded
- Add URI decoding test coverage for percent-encoded paths and query params
- Simplify httpasio request handling by using strands (guarantees no parallel handlers per connection)
- Removed deprecated regex-based route matching support
- Fix full GC never triggering after cross-toolchain builds: The `gc_state` file stores `system_clock` ticks, but the tick resolution differs between toolchains (nanoseconds on GCC/standard clang, microseconds on UE clang). A nanosecond timestamp misinterpreted as microseconds appears far in the future (~year 58,000), bypassing the staleness check and preventing time-based full GC from ever running. Fixed by also resetting when the stored timestamp is in the future.
- Clamp GC countdown display to configured interval: Prevents nonsensical log output (e.g. "Full GC in 492128002h") caused by the above or any other clock anomaly. The clamp applies to both the scheduler log and the status API.
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- Add block cloning (copy-on-write) support for Linux and macOS to complement the existing Windows (ReFS) implementation
- **Linux**: `TryCloneFile` via `FICLONE` ioctl, `CloneQueryInterface` with range cloning via `FICLONERANGE` (Btrfs/XFS)
- **macOS**: `TryCloneFile` via `clonefile()` syscall (APFS), `SupportsBlockRefCounting` via `VOL_CAP_INT_CLONE`. `CloneQueryInterface` is not implemented as macOS lacks a sub-file range clone API
- Promote `ScopedFd` to file scope for broader use in filesystem code
- Add test scripts for block cloning validation on Linux (Btrfs via loopback) and macOS (APFS)
- Also added test script for testing on Windows (ReFS)
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- Fix potential crash on startup caused by logging macros being invoked before the logging system is initialized (null logger dereference in `ZenServerState::Sweep()`). `LoggerRef::ShouldLog` now guards against a null logger pointer.
- Make CPR an optional dependency (`--zencpr` build option, enabled by default) so builds can proceed without it
- Make zenvfs Windows-only (platform-specific target)
- Generate the frontend zip at build time from source HTML files instead of checking in a binary blob which would accumulate with every single update
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- Add clang-cl warning suppressions in xmake.lua matching Linux/macOS set
- Guard /experimental:c11atomics with {tools="cl"} for MSVC-only
- Fix long long / int64_t redefinition in string.h for clang-cl
- Fix unclosed namespace in callstacktrace.cpp #else branch
- Fix missing override in httpplugin.cpp
- Reorder WorkerPool fields to match designated initializer order
- Use INVALID_SOCKET instead of SOCKET_ERROR for SOCKET comparisons
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This PR adds end-to-end Unix domain socket (UDS) support, allowing zen CLI to discover and connect to UDS-only servers automatically.
- **`unix://` URI scheme in zen CLI**: The `-u` / `--hosturl` option now accepts `unix:///path/to/socket` to connect to a zenserver via a Unix domain socket instead of TCP.
- **Per-instance shared memory for extended server info**: Each zenserver instance now publishes a small shared memory section (keyed by SessionId) containing per-instance data that doesn't fit in the fixed-size ZenServerEntry -- starting with the UDS socket path. This is a 4KB pagefile-backed section on Windows (`Global\ZenInstance_{sessionid}`) and a POSIX shared memory object on Linux/Mac (`/UnrealEngineZen_{sessionid}`).
- **Client-side auto-discovery of UDS servers**: `zen info`, `zen status`, etc. now automatically discover and prefer UDS connections when a server publishes a socket path. Servers running with `--no-network` (UDS-only) are no longer invisible to the CLI.
- **`kNoNetwork` flag in ZenServerEntry**: Servers started with `--no-network` advertise this in their shared state entry. Clients skip TCP fallback for these servers, and display commands (`ps`, `status`, `top`) show `-` instead of a port number to indicate TCP is not available.
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Switches the default HTTP client to the libcurl-based backend and follows up with a series of correctness fixes and code quality improvements to `CurlHttpClient`.
**Backend switch & build fixes:**
- Switch default HTTP client to libcurl-based backend
- Suppress `[[nodiscard]]` warning when building fmt
- Miscellaneous bugfixes in HttpClient/libcurl
- Pass `-y` to `xmake config` in `xmake test` task
**Boilerplate reduction:**
- Add `Session::SetHeaders()` for RAII ownership of `curl_slist`, eliminating manual `curl_slist_free_all` calls from every verb method
- Add `Session::PerformWithResponseCallbacks()` to absorb the repeated 12-line write+header callback setup block
- Extract `ParseHeaderLine()` shared helper, replacing 4 duplicate header-parsing implementations
- Extract `BuildHeaderMap()` and `ApplyContentTypeFromHeaders()` helpers to deduplicate header-to-map conversion and Content-Type scanning
- Unify the two `DoWithRetry` overloads (PayloadFile variant now delegates to the Validate variant)
**Correctness fixes:**
- `TransactPackage`: both phases now use `PerformWithResponseCallbacks()`, fixing missing abort support and a dead header collection loop
- `TransactPackage`: error path now routes through `CommonResponse`, preserving curl error codes and messages for the caller
- `ValidatePayload`: merged 3 separate header-scan loops into a single pass
**Performance improvements:**
- Replace `fmt::format` with `ExtendableStringBuilder` in `BuildHeaderList` and `BuildUrlWithParameters`, eliminating heap allocations in the common case
- Replace `curl_easy_escape`/`curl_free` with inline URL percent-encoding using `AsciiSet`
- Remove wasteful `CommonResponse(...)` construction in retry logging, formatting directly from `CurlResult` fields
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- Add `--no-network` CLI option which disables all TCP/HTTPS listeners, restricting zenserver to Unix domain socket communication only.
- Also fixes asio upgrade breakage on main
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Migrate removed deprecated APIs:
- io_service -> io_context
- io_service::work -> executor_work_guard
- resolver::query/iterator -> resolver::resolve() with results_type
- address::from_string() -> make_address()
---
Breaking Changes (1.33.0)
- deferred as default completion token — can omit token in coroutines: co_await socket.async_read_some(buf)
- cancel_after / cancel_at — timeout any async operation: co_await sock.async_read_some(buf, cancel_after(5s))
- Partial completion token adapters — as_tuple, redirect_error, bind_executor etc. composable via pipe: co_await (async_write(sock, buf) | as_tuple | cancel_after(10s))
- composed — simpler alternative to async_compose for stateful operation implementations
- co_composed moved out of experimental
1.35.0 — Allocator & Resolver
- Allocator constructors for io_context and thread_pool — control memory allocation for services, I/O objects, strands
- Configurable resolver thread pool ("resolver"/"threads")
- Timer heap pre-allocation ("timer"/"heap_reserve")
1.37.0 — Inline Executors & Reactor Tuning
- inline_executor — always executes inline (useful as completion executor)
- inline_or_executor<> — tries inline first, falls back to wrapped executor
- New dispatch/post/defer overloads that run a function on one executor and deliver result to a handler on another
- redirect_disposition — captures disposition into a variable (like redirect_error but generic)
- Reactor config: reset_edge_on_partial_read, use_eventfd, use_timerfd
Notable Fixes
- Resource leak in awaitable move assignment (1.37.0)
- Memory leak in SSL stream move assignment (1.37.0)
- Thread sanitizer issue in kqueue reactor (1.37.0)
- co_spawn non-reentrant completion handler fix (1.36.0)
- Windows file append mode fix (1.32.0)
- SSL engine move assignment leak (1.33.0)
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Adds a **transparent TCP proxy mode** to zenserver (activated via `zenserver proxy`), allowing it to sit between clients and upstream Zen servers to inspect and monitor HTTP/1.x traffic in real time. Primarily useful during development, to be able to observe multi-server/client interactions in one place.
- **Dedicated proxy port** -- Proxy mode defaults to port 8118 with its own data directory to avoid collisions with a normal zenserver instance.
- **TCP proxy core** (`src/zenserver/proxy/`) -- A new transparent TCP proxy that forwards connections to upstream targets, with support for both TCP/IP and Unix socket listeners. Multi-threaded I/O for connection handling. Supports Unix domain sockets for both upstream/downstream.
- **HTTP traffic inspection** -- Parses HTTP/1.x request/response streams inline to extract method, path, status, content length, and WebSocket upgrades without breaking the proxied data.
- **Proxy dashboard** -- A web UI showing live connection stats, per-target request counts, active connections, bytes transferred, and client IP/session ID rollups.
- **Server mode display** -- Dashboard banner now shows the running server mode (Zen Proxy, Zen Compute, etc.).
Supporting changes included in this branch:
- **Wildcard log level matching** -- Log levels can now be set per-category using wildcard patterns (e.g. `proxy.*=debug`).
- **`zen down --all`** -- New flag to shut down all running zenserver instances; also used by the new `xmake kill` task.
- Minor test stability fixes (flaky hash collisions, per-thread RNG seeds).
- Support ZEN_MALLOC environment variable for default allocator selection and switch default to rpmalloc
- Fixed sentry-native build to allow LTO on Windows
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* show ETA in plain and log output style
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* added streaming download of payloads in cpr client ::Post
* curlclient Post streaming download
* case sensitivity fixes for http headers
* move over missing functionality from crpclient to httpclient
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- Feature: Basic consul integration for zenserver hub mode, restricted to host local consul agent and register/deregister of services
- Feature: Added new options to zenserver hub mode
- `consul-endpoint` - Consul endpoint URL for service registration (empty = disabled)
- `hub-base-port-number` - Base port number for provisioned instances
- `hub-instance-limit` - Maximum number of provisioned instances for this hub
- `hub-use-job-object` - Enable the use of a Windows Job Object for child process management (Windows only)
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- Fix clang-format error accidentally introduced by recent PR
- Fix `FileSize()` CAS race that repeatedly invalidated the cache when concurrent callers both missed; remove `store(0)` on CAS failure
- Fix `WriteChunks` not accounting for initial alignment padding in `m_TotalSize`, causing drift vs `WriteChunk`'s correct accounting
- Fix Create retry sleep computing negative values (100 - N*100 instead of 100 + N*100), matching the Open retry pattern
- Fix `~BlockStore` error log missing format placeholder for `Ex.what()`
- Fix `GetFreeBlockIndex` infinite loop when all indexes have orphan files on disk but aren't in `m_ChunkBlocks`; bound probe to `m_MaxBlockCount`
- Fix `IterateBlock` ignoring `SmallSizeCallback` return value for single out-of-bounds chunks, preventing early termination
- Fix `BlockStoreCompactState::IterateBlocks` iterating map by value instead of const reference
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The main goal of this change is to eliminate the cpr back-end altogether and replace it with the curl implementation. I would expect to drop cpr as soon as we feel happy with the libcurl back-end. That would leave us with a direct dependency on libcurl only, and cpr can be eliminated as a dependency.
### HttpClient Backend Overhaul
- Implemented a new **libcurl-based HttpClient** backend (`httpclientcurl.cpp`, ~2000 lines)
as an alternative to the cpr-based one
- Made HttpClient backend **configurable at runtime** via constructor arguments
and `-httpclient=...` CLI option (for zen, zenserver, and tests)
- Extended HttpClient test suite to cover multipart/content-range scenarios
### Unix Domain Socket Support
- Added Unix domain socket support to **httpasio** (server side)
- Added Unix domain socket support to **HttpClient**
- Added Unix domain socket support to **HttpWsClient** (WebSocket client)
- Templatized `HttpServerConnectionT<SocketType>` and `WsAsioConnectionT<SocketType>`
to handle TCP, Unix, and SSL sockets uniformly via `if constexpr` dispatch
### HTTPS Support
- Added **preliminary HTTPS support to httpasio** (for Mac/Linux via OpenSSL)
- Added **basic HTTPS support for http.sys** (Windows)
- Implemented HTTPS test for httpasio
- Split `InitializeServer` into smaller sub-functions for http.sys
### Other Notable Changes
- Improved **zenhttp-test stability** with dynamic port allocation
- Enhanced port retry logic in http.sys (handles ERROR_ACCESS_DENIED)
- Fatal signal/exception handlers for backtrace generation in tests
- Added `zen bench http` subcommand to exercise network + HTTP client/server communication stack
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