- Fix websocket handler to avoid read data from connections either closed or with error
- Improvements on pushstream.js
- Add push_stream_header_template_file directive
- Fix the support for large messages
- [performance] Reduce the number of lookups for channels
- [performance] Use distributed lock instead of only one lock for all operations
- [performance] Changed the parser of message template to apply it at once
- Fix buffer usage to avoid them to be overwritten
- Fix to not send a trailing comma on jsonp object
- Fix pushstream.js log messages when firebug is opened after the page was loaded on Firefox
- Changed pushstream.js license to MIT
- Fix DoS on message formatter when text contains huge number of template patterns (Thanks Buglloc)
- Fix send messages through WebSocket connection when the server is using kqueue
- Ensure all queue members are initialized to not produce errors on calling remove function, without insert them on a queue
- Fix to be possible compile with clang
- Fix stuck connections when sending only header responses
- Fix socket leak on reload process for sockets used in inter process communication and connections
- Added support to use variables as value on push_stream_allowed_origins directive
- Removed global variables to allow have more than one http block on the same Nginx instance
- Added initial support to send binary data
- Added support to get old messages using time and tag to all wrappers on pushstream.js
- Added push_stream_timeout_with_body directive to indicate whether send a full message on timed out long polling connections, or not
- Removed default value from push_stream_padding_by_user_agent directive, it was “[A|a]ndroid 2,4097,4097:[S|s]afari,1025,0”
- Change the publish message action through a WebSocket connection to add the message to all subscribed channels
- Added support to get channels statistics, delete channels and publish message to some channels specifying their ids on push_stream_channels_path
- Avoid reapply formatter to header, message or footer template when inside an if on event source mode
- Added support for OPTIONS method on publisher location
- Unified longPollingTimeout and timeout configurations on javascript client
- Renamed some javascript client configurations
- jsonDataKey → jsonTextKey
- longPollingUseJSONP → useJSONP
- longPollingTagArgument → tagArgument
- longPollingTimeArgument → timeArgument
- longPollingByHeaders → messagesControlByArgument (value must be changed appropriately)
- reconnecttimeout → reconnectOnTimeoutInterval
- checkChannelAvailabilityInterval → reconnectOnChannelUnavailableInterval
- secondsAgo → messagesPublishedAfter
- Removed some javascript client configurations
- longPollingInterval
- Fix lazy reload
- Normalize use of backtrack, last_event_id and if_modified_since/if_none_match values to get old messages on all subscriber modes
- Added push_stream_last_event_id directive to make possible pass the Last-Event-Id value without set header
- Changed push_stream_store_messages directive to make possible set it inside an if block
- Renamed broadcast feature to wildcard, more adequate with the way it works
- push_stream_broadcast_channel_prefix → push_stream_wildcard_channel_prefix
- push_stream_broadcast_channel_max_qtd → push_stream_wildcard_channel_max_qtd
- push_stream_max_number_of_broadcast_channels → push_stream_max_number_of_wildcard_channels
- Removed push_stream_content_type directive, use default_type Nginx directive to set the value, except on JSONP and Event Source modes
- Removed push_stream_keepalive directive, let Nginx decide when to use keepalive and how many requests accept using keepalive_* directives
- Removed push_stream_shared_memory_cleanup_objects_ttl directive
- Changed push_stream_websocket directive to be a subtype of push_stream_subscriber directive
- Changed push_stream_eventsource_support directive to be a subtype of push_stream_subscriber directive
- Fix to support gzip usage
- Added the feature to send a custom ‘channel delete message’ on the body of the DELETE request
- Removed push_stream_channel_id variable, use the push_stream_channels_path instead of it
- Changed push_stream_channels_path variable to directive, and make possible set it inside an if block
- Back to use Nginx chunked filter
- Use JSONP when port numbers don’t match.
- Set expires headers to avoid cache
- Add push_stream_channel_info_on_publish, push_stream_channel_inactivity_time and push_stream_allowed_origins directives
- Not sending the access control headers by default, send only when the allowed_origins directive is set, for security reasons
- Send a ping frame as feedback when publishing a message through WebSocket connection
- Adding the number of stored messages and the number of channels and messages in the trash to summarized channels statistics
- Remove default header template for EventSource subscribers
- Force content type as application/javascript on jsonp requests
- Simplifying some internal structures
- Fix memory leak when use the feature of do a DELETE in a channel
- Fix memory leak which happens after a worker dies or the server receive the SIGHUP (reload) signal (Thanks Rob Mueller , Bron Gondwana , Andrew Wansink and their team)
- Fix status change notification when the server is stopped on long polling and jsonp modes (Thanks nickiv for bug report on IE)
- Fix domain set for xss on pushstream.js when domain has more than three parts (Thanks Sebastien)
- Adding function to ensure dates with two digits days on long polling requests (Thanks Dunaeth for bug report on IE)
- Avoiding unescape of not string messages on pushstream.js (Thanks karolciba)
- Improvement on javascript cleanup objects
- Fixing initial temp pool size
- Fixing memory leak when recovering channel from trash, the workers_with_subscribers queue was wrongly reinitialized without free the memory on it
- Changed default value of push_stream_message_ttl to 30 minutes to avoid memory leak of a message which is never discarded
- Changed javascript configurations to be more flexible
- Changed JSONP to receive old messages as array
- Changed channels ids parser for a smarter version, using regular expression
- Adding JSONP support to pushstream.js and dynamically callback parameter
- Adding event type feature to Event Source support
- Adding tag and time available at message template, and make possible pass these values without set headers
- Adding a reference count to the message to avoid discard it before be processed for all workers
- Adding padding messages based on user agent to bypass some problems on android/safari browsers on long-polling
- Improvement on memory usage to reuse chains and buffers
- Improvement on javascript message parser regexp
- Improvement on sending alert messages to workers only when necessary
- Improvement on reset ping timer when a message is sent
- Improvement on disconnect any subscriber which receives a non OK response when writing to its socket
- Improvement on documentation organization
- Improvement on preventing XSS when using pushstream.js
- Fixing memory leak when saving channels on a rbtree with ids which collides, problem inherited from Nginx and reported by Lanshun Zhou
- Fixing memory leak in javascript
- Fixing read messages in high throughput using keepalive on
- Fixing EventSourceWrapper class on pushstream.js to use native reconnection feature from EventSource
- Adding WebSocket support
- Adding a default header template for EventSource to call onopen callback quickly
- Adding examples of use for PushStream javascript class
- Refactor on PushStream javascript class adding support for new protocols
- Changing etag for messages published in different channels to receive sequential values if they were published on same second
- Improvement on delete channel removing unnecessary loop
- Fixing bug on delete channel with long polling subscribers
- Adding push_stream_longpolling_connection_ttl directive to be possible use different values for timeout of stream and long polling subscribers on the same location
- Adding push_stream_max_subscribers_per_channel directive to limit the number of subscribers per channel
- Enabling some directives to be used on location context, now this works as expected
- push_stream_ping_message_interval
- push_stream_subscriber_connection_ttl
- Replace ping and disconnect routines by individual timers in each request, it make disconnect timeout more accurate
- Finalizing failed connections on sending messages or ping to subscribers, it prevent leak of writing connections using HTTPS
- Fixing delivery message when etag from newer message is lower than an old message
- Fixing cleanup messages when only use max_messages_stored_per_channel directive
- Fixing bug on ping and disconnect timers behavior when working with long polling subscribers
- Fixing bug on init and exit worker to execute module code only on SINGLE or WORKER process, to be possible use the module and proxy cache on the same nginx
- Adding Event Source support
- Adding Polling support
- Adding Long Polling support
- Moving some directives to be used on http context instead of location
- push_stream_min_message_buffer_timeout
- push_stream_max_message_buffer_length
- push_stream_max_channel_id_length
- push_stream_ping_message_interval
- push_stream_subscriber_connection_timeout
- push_stream_broadcast_channel_prefix
- push_stream_max_number_of_channels
- push_stream_max_number_of_broadcast_channels
- Renaming some directives
- push_stream_max_reserved_memory → push_stream_shared_memory_size
- push_stream_memory_cleanup_timeout → push_stream_shared_memory_cleanup_objects_ttl
- push_stream_min_message_buffer_timeout → push_stream_message_ttl
- push_stream_max_message_buffer_length → push_stream_max_messages_stored_per_channel
- push_stream_subscriber_connection_timeout → push_stream_subscriber_connection_ttl
- Adding uptime information for server and workers on statistics
- Avoiding counters to overlap on decrement
- Adding directive push_stream_footer_template to send a text to subscriber before close connection (channel delete or subscriber timeout)
- Adding support to retrieve old messages using If-Modified-Since header
- Fixing bug on some points which does not check if alloc memory was done successful
- Fixing bug on PushStream.js to work on Internet Explorer 9
- Adding directives to change text for channel deleted and ping messages
- Adding feature to get channels statistics by prefix (Suggested by Alexey Vdovin)
- Adding publisher administrator feature to delete channels (Suggested by Alexey Vdovin)
- Fixing bug which removed default message template
- Fixing messages sent to subscribers to be a truly transfer encoding chunked connection
- Removing support for versions 0.7.x
- Removing hack to keep connection open (Thanks Maxim Dounin)
- Adding keepalive support
- Fixing bug when reloading nginx configuration file (Thanks Rob Mueller for bug report)
- Fixing bug to accept different message templates on different subscriber locations (Now you CAN remove push_stream_message_template directive from publisher location, it will not be used there)
- Fixing bug on publisher which let too many open connections with fast publishers on some nginx versions
- Fixing bug of segfault when the module is part of nginx but not in use (Thanks Rob Mueller for bug report)
- Fixing bug when store message is off, memory of messages was not free after sent to subscribers
- Fixing bug when apply message and channel name to template with values containing the same template pattern, could result in 100% of memory and CPU consumption, by recursion
- Fixing bug when manipulating a channel which was removed from tree for another worker (the 100% CPU bug)
- Fixing memory allocation for channel id
- Fixing response for detailed channels statistics when have a big number of channels
- Creating different timers to clear the memory, one for expired messages and another for empty channels
- Disable Nginx chunked filter for module locations
- Fixing bug on return for publisher, was rejecting the message for some clients
- Fixing bug on allocation memory of ngx_str_t variables to ensure that has a char \0 at the end of each of them
- Adding instruction to discard body, to release the connection as soon as possible
- Adding license information
- Organizing test suite
- Fixing bugs on release shared memory
- Fixing bug on receive POST with empty message
- Adding a different location to get channels statistics push_stream_channels_statistics
- Adding new directives push_stream_max_number_of_channels, push_stream_max_number_of_broadcast_channels and push_stream_memory_cleanup_timeout
- Removed support to PUT and DELETE http methods on publisher location
- Removed different types of return on publishing messages in case that was published on a empty channel or on one which has subscribers
- Removed directive push_stream_subscriber_disconnect_interval, this interval is calculate based on push_stream_subscriber_connection_timeout
- Removed directive push_stream_min_message_buffer_length
- Change default values of some directives
| directive | old value | new value |
| push_stream_min_message_buffer_timeout | 7200 seconds | unset |
| push_stream_max_message_buffer_length | 10 | unset |
| push_stream_authorized_channels_only | on | off |
| push_stream_store_messages | on | off |
| push_stream_max_channel_id_length | 1024 bytes | unset |
| push_stream_broadcast_channel_max_qtd | 1 | unset |
Initial version of this module was based on pushmodule