ChangeLog.md

Change Log

2024-09-03 Version 2.8.1 (Stable)

Bug Fixes

• Fix a bug in http:parse-request that converted + to space within the path component of a URI.

2024-07-31 Version 2.8.0 (Stable)

New

• Added http:valid-path? predicate.
• Added validate-path to http:options.
• Added examples.

Bug Fixes

• Fix a bug in http:eval-dynamic-page that caused "Exception: invalid context for definition (define-syntax find-param ...)"

Updates

• Updated to SQLite 3.45.3
• path-combine preserves directory separators present in its arguments, but avoids adding extra directory separators, e.g., when a constituent begins with a directory separator. It may also allocate less when called with more than two arguments.

2024-03-12 Version 2.6.0 (Stable)

New

• Enabled use with Chez Scheme 10.0
• Enabled use with arm64osx, tarm64osx, arm64le, and tarm64le machine types
• Added db:start
• Added end timestamp to the child view
• Added not-reached macro which omits source when profiling
• Added port->notify-port for TCP ports
• Added tcp-nodelay
• WebSockets
  • Added error code 1009 when exceeding size limit
  • Added error code 1011 when reader raises an exception
  • Improved performance by enabling tcp-nodelay
  • Improved performance by masking in place rather than copying the payload using optimized primitives
  • Improved performance by reusing the codec buffer if possible
  • Improved performance by sending the header and payload with a single call osi_tcp_write2
• Added get-bytevector-exactly-n
• Added define-syntactic-monad
• Added natural-string<? and natural-string-ci<?
• Added osi_is_service
• Added fold-files and filter-files
• Added --prelude and --prelude-file to swish-build
• Added swish-test --progress suite-verbose
• Improved performance of JSON reading and writing
• Added json:pretty, json:key<?, and json:custom-write
• Added parallel library including parallel, parallel!, parallel:execute, parallel:execute!, parallel:for-each, parallel:map, and parallel:vector-map
• Added support for procedural process-trap-exit handler

Bug Fixes

• Fixed writing to closed stderr on exception
• Fixed clearing unset signal handler
• Clarified scopes for define-options sub-forms
• HTTP and WebSocket code now closes ports rather than leaving them to the collector
• Fixed console-event-handler retaining objects indefinitely when attempting to suppress duplicate stack dumps
• Fixed leak in sqlite:marshal-bindings where an out-of-range value may cause the Scheme runtime to longjmp beyond Swish's error handling
• Fixed premature closing of WebSocket while reading large payloads
• Fixed usage of get-bytevector-n
• Fixed to release profile counts using profile-release-counter introduced in Chez Scheme 9.5.1
• Fixed destination for annotated files when profiling
• Fixed swish-build -s to resolve <source> files using the source-directories specified
• Fixed potential watch-path crash
• Fixed typical use-cases for Swish scripts under Cygwin

Updates

• Updated to SQLite 3.45.1
• Updated to libuv 1.48.0
• Require Chez Scheme 9.6.4 or later
• Eliminated dependency on jQuery
• Updated profile coverage report
  • added legend
  • added line numbers
  • changed DOCTYPE to HTML5
  • no longer colors leading whitespace
• Updated html5 form to include lang="en" if not otherwise specified
• Updated console-event-handler to elide specific <child-end> messages

2022-06-09 Version 2.4.0 (Stable)

New

• Breaking change: swish-test no longer adds an automatic .ms suffix when checking whether a specified file exists.
• Breaking change: swish-test exits with a non-zero exit status when processing results that are incomplete or contain failed tests, skipped tests, or no passing tests. The aim is for --harvest or --load-results runs to generate a non-zero exit status when the original test run that produced those results would have done so.
• Improved performance of mon and pcb records in hashtables by implementing custom record-type-hash-procedure for each.
• Added os-pid, current-memory-bytes, maximum-memory-bytes, os-free-memory, and os-total-memory to statistics log.
• Added osi_get_home_directory to support limited tilde expansion for filesystem paths.
• Added default-timeout and scale-timeout to testing, the latter respecting an optional TIMEOUT_SCALE_FACTOR environment variable.
• Added LD compile option to configure script.
• swish-test:
  • Preserves stdout and stderr output
  • Preserves --harvest suite order
  • Added --rerun option
  • Added "Download Data" link to HTML test report
• Changed throw to raise for http-request-timeout errors.

Bug Fixes

• mat load-results now preserves result order

Updates

• Updated to SQLite 3.38.5
• Updated to libuv 1.44.1
• Require Chez Scheme 9.5.6 or later

2021-05-18 Version 2.2.0 (Stable)

New

• Improved database log performance:
  • Added osi_bulk_execute and sqlite:bulk-execute to support faster bulk insert.
  • Changed db gen-server to flush the accumulated db:log entries via sqlite:bulk-execute for better performance.
  • Added sqlite:marshal-bindings and sqlite:unmarshal-bindings.
  • Added osi_get_bindings and sqlite:get-bindings.
  • Extended sqlite:execute to accept as bindings: a list, a vector, or a marshaled bindings record instance.
• Provided more control over database tuning parameters:
  • Exposed create-prune-on-insert-trigger.
  • Added make-swish-event-logger to let applications tune prune triggers for the Swish event tables.
  • Added db:options argument to db:start&link and log-db:start&link, which allows tuning:
    • commit-limit
    • commit-delay
    • cache-timeout
  • Added db:expire-cache.
• osi_interrupt_database and sqlite:interrupt now return a boolean indicating the database's busy state.
• Added log-db:event-logger that supports the setup and log fields of <event-logger>, but also supports a tolerate-fault? predicate.
• Added an optional endure? argument to event-mgr:set-log-handler to let applications respond flexibly to log-handler faults.
• Added define-tuple support for (type is?) that expands into (lambda (x) (type is? x)) just as (type field) expands into (lambda (x) (type field x)).
• Added ct:join and ct:string-append, which do their work at expand time if possible.
• Added to the meta-data collected by automated tests:
  • data from get-uname
  • start and end timestamp for each test
  • user annotations logged via mat:add-annotation!
• Added --toolprefix option to ./configure to simplify cross-compilation.

Bug Fixes

• Fixed a websocket bug that reported unexpected end-of-file when a 64-bit payload length crosses an internal buffer boundary.
• Improved database gen-server's fault tolerance by using monitor in place of link and by adapting supervisor protocol on shutdown.
• Fixed a minor performance bug that made some hashtables in the http library resort to linear search.
• Fixed an obscure bug in receive when Swish is compiled with cp0 disabled. Normal builds leave cp0 enabled, but make coverage disables cp0.

Updates

• Updated to SQLite 3.34.1
• Updated to libuv 1.41.0

2021-03-08 Version 2.0.2 (Stable)

Bug Fixes

Fixed a performance bug. When installing the values of inherited parameters, spawn and spawn&link called parameter filters, if any, when they should not have, since those values were already filtered when the parameters were set. This was particularly significant for the inherited app:path parameter, where the filter makes an expensive call to get-real-path.

2020-11-09 Version 2.0.1 (Stable)

Bug Fixes

Fixed a bug in $receive that could cause a process to wait for the full waketime, which could be infinite, for a message that is sent just after $receive has picked a queue to sleep on.

This manifested as strange behavior where a gen-server:call to a trivial gen-server could hang indefinitely if the timeout was specified as infinity or could receive the message just as the call would have timed out, despite the gen-server replying immediately.

The change in 2f16c0f2f2c1246193368680682a68cc6dfcae46 allowed a sequence of events where:

1. one process calls $receive
2. no message is ready, so we enable interrupts
3. we set pcb fields depending on waketime, then call yield with a destination queue
4. yield does an interrupt check on entry and we happen to context switch
5. @send has a message for the original process and places that process on the run-queue
6. we resume in yield and, depending on the specified destination queue, either dequeue the process or put it on the sleep queue

2020-10-01 Version 2.0.0 (Stable)

Release numbering skipped 1.x to avoid confusion with internal project.