Subscriptions aren't re-submitted properly on reconnection after connection failures #85
Comments
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Hey hey, thanks for reporting this and for the detailed explanation! This looks serious... I'll start of by asking: are you sure that all subscribers are still active/streaming/mounted when failing? All subscribers are basically stuck in an infinite "subscribe" loop until one of the following happens:
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I think I figured it out! Fix incoming... |
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Hmm, it was not what I thought it was... Furthermore, I added a test that should resubscribe all subscribers on silent reconnects. It is passing. Can you elaborate a bit more? A repro would be perfect! |
I will try to make sure of that tomorrow, I can't say for sure right now. What I can tell for sure is if the socket is able to reconnect right away then all subscriptions are re-submitted without issues. This error only happens whenever the socket cannot reconnect right away, which might not be happening in the tests you added, if I'm not mistaken? |
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I released v3.0.2 which includes a one small retrying fix; still, if you could update before continuing the bug hunt tomorrow, that would be great!
Ok, that is helpful for now - I'll try bringing up a failing test in the meantime. |
Of course, I will retry with that version tomorrow no problem :) |
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Just tried with the updated version, it still seems to be happening when reconnection doesn't happen right away. You can see the timeline in this new har file: |
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I've managed to find some revelations in the meantime, bear with me - a fix is coming! |
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🎉 This issue has been resolved in version 3.1.0 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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Hey @Shahor, I have released a new version which, hopefully, fixes this issue. I've also added a more comprehensive, retry with timeout delay, test for ~50 active subscribers - it is passing too. If it turns out that |
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Sadly this doesn't fix the issue :( Thank you very much for your help again |
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Damn, sad to hear that! Reopening the issue then. Please share the repro once you have it, I'll investigate as soon as I can! |
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@Shahor any news on this? Have you managed to write up a repro? |
Hey @enisdenjo 👋 Sorry, I was on time off, I'll get back to this asap with a repro (hopefully). |
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No probs! Hope you enjoyed your rest. 😄 Looking forward to more info! |
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As no one else reported experiencing this behaviour, I am closing the issue due to inactivity. @Shahor, if you manage to get a repro - please reopen it, I'll be more than happy to come back and re-evaluate. |
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🎉 This issue has been resolved in version 4.1.2 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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Hey @Shahor, I've done a rewrite of the client internals in #100. Would be great if you could try out the |
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Hey @enisdenjo Thanks for the update! I will take some time today to check that. In the meantime I'll try your update and will let you know! You rock! |
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I come bearing good news 😅
As you can see on the left it took some time for my server to restart (intended) and it seems all subscriptions were re-established properly. So I'd say that rewrite brought some good stuff along! Great stuff man, thanks so much for your help! 👏 |
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Wohoo! 🍾 Very nice news, thanks for sharing. 😄 |
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Hey @enisdenjo 👋🏽 I'm very sorry to be the bearer of bad news, but it seems this is coming back :( We're using graphql-ws 5.5.5 at the moment. slite.shahor.slite.dev.har.zip This happens when our server goes away and we reconnect after a few seconds. [edit] Additional information: We just tried with a new version on the client implementing |
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@Shahor hey there, does the same issue happen with the latest version of the client? The |
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# 1.0.0 (2023-03-16) ### Bug Fixes * Add `browser` export map ([ea306db](ea306db)) * Add `package.json` to exports map ([enisdenjo#119](https://github.com/ilijaNL/graphql-ws/issues/119)) ([1f09863](1f09863)), closes [enisdenjo#118](https://github.com/ilijaNL/graphql-ws/issues/118) * Add `uWebSockets` exports path ([36247cb](36247cb)), closes [enisdenjo#155](https://github.com/ilijaNL/graphql-ws/issues/155) * Add support for `graphql@v16` ([ad5aea2](ad5aea2)) * add the sink to the subscribed map AFTER emitting a subscribe message ([814f46c](814f46c)) * Add types path to package.json `exports` ([enisdenjo#375](https://github.com/ilijaNL/graphql-ws/issues/375)) ([9f394d7](9f394d7)) * **client:** `complete` should not be called after subscription `error` ([1fba419](1fba419)) * **client:** `ConnectionInit` payload is absent if `connectionParams` returns nothing ([98f8265](98f8265)) * **client:** `isFatalConnectionProblem` defaults to undefined for using `shouldRetry` ([9d5c573](9d5c573)) * **client:** Accept nullish values for `operationName` and `variables` ([2d60dda](2d60dda)) * **client:** cant read the `CloseEvent.reason` after bundling so just pass the whole event to the sink error and let the user handle it ([9ccb46b](9ccb46b)) * **client:** Close event's `wasClean` is not necessary ([2c65f0e](2c65f0e)), closes [enisdenjo#81](https://github.com/ilijaNL/graphql-ws/issues/81) * **client:** Close with error message during connecting issues ([f8ecdd7](f8ecdd7)) * **client:** Connection locks dont increment on retries ([1e7bd97](1e7bd97)), closes [enisdenjo#153](https://github.com/ilijaNL/graphql-ws/issues/153) * **client:** Debounce close by `lazyCloseTimeout` ([c332837](c332837)), closes [enisdenjo#388](https://github.com/ilijaNL/graphql-ws/issues/388) * **client:** Dispose of subscription on complete or error messages ([enisdenjo#23](https://github.com/ilijaNL/graphql-ws/issues/23)) ([fb4d8e9](fb4d8e9)) * **client:** Distinguish client connection closes ([ed4d9db](ed4d9db)) * **client:** Don't complete after connection error ([5f829c3](5f829c3)) * **client:** Export relevant elements from the browser bundle ([b106dbe](b106dbe)), closes [enisdenjo#97](https://github.com/ilijaNL/graphql-ws/issues/97) * **client:** Lazy connects after successful reconnects are not retries ([99b85a3](99b85a3)) * **client:** Limit client emitted error close message size ([2d959f6](2d959f6)) * **client:** New `error` event listener for handling connection errors ([enisdenjo#136](https://github.com/ilijaNL/graphql-ws/issues/136)) ([127b69f](127b69f)), closes [enisdenjo#135](https://github.com/ilijaNL/graphql-ws/issues/135) * **client:** No retries when disposed ([0d5e6c2](0d5e6c2)) * **client:** One cleanup per subscription ([enisdenjo#67](https://github.com/ilijaNL/graphql-ws/issues/67)) ([5a5ae4d](5a5ae4d)) * **client:** Only `query` is required in the subscribe payload ([e892530](e892530)) * **client:** Reduce WebSocket event listeners and add new client `message` event ([enisdenjo#104](https://github.com/ilijaNL/graphql-ws/issues/104)) ([68d0e20](68d0e20)), closes [enisdenjo#102](https://github.com/ilijaNL/graphql-ws/issues/102) * **client:** Report close causing internal errors to error listeners ([4e7e389](4e7e389)) * **client:** Report close error even if `Complete` message followed ([27754b2](27754b2)), closes [enisdenjo#245](https://github.com/ilijaNL/graphql-ws/issues/245) * **client:** Return ping's payload through the response pong ([ee6193a](ee6193a)) * **client:** send complete message and close only if socket is still open ([49b75ce](49b75ce)) * **client:** Should emit `closed` event when disposing ([5800de8](5800de8)), closes [enisdenjo#108](https://github.com/ilijaNL/graphql-ws/issues/108) * **client:** Shouldn't reconnect if all subscriptions complete while waiting for retry ([2826c10](2826c10)), closes [enisdenjo#163](https://github.com/ilijaNL/graphql-ws/issues/163) * **client:** Shouldn’t send the `Complete` message if socket is not open ([cd12024](cd12024)) * **client:** Some close events are not worth retrying ([4d9134b](4d9134b)) * **client:** Specify and fail on fatal internal WebSocket close codes ([a720125](a720125)) * **client:** Stabilize and simplify internals ([enisdenjo#100](https://github.com/ilijaNL/graphql-ws/issues/100)) ([5ff8f1d](5ff8f1d)), closes [enisdenjo#99](https://github.com/ilijaNL/graphql-ws/issues/99) [enisdenjo#85](https://github.com/ilijaNL/graphql-ws/issues/85) * **client:** Stop execution if `connectionParams` took too long and the server kicked the client off ([1e94e45](1e94e45)), closes [enisdenjo#331](https://github.com/ilijaNL/graphql-ws/issues/331) * **client:** Subscribes even if socket is in CLOSING state due to all subscriptions being completed ([3e3b8b7](3e3b8b7)), closes [enisdenjo#173](https://github.com/ilijaNL/graphql-ws/issues/173) [enisdenjo#170](https://github.com/ilijaNL/graphql-ws/issues/170) * **client:** Subscription can be disposed only once ([abd9c28](abd9c28)), closes [enisdenjo#170](https://github.com/ilijaNL/graphql-ws/issues/170) * **client:** Subscriptions acquire locks ([eb6cb2a](eb6cb2a)) * **client:** Time retries and socket change waits ([7c707db](7c707db)), closes [enisdenjo#85](https://github.com/ilijaNL/graphql-ws/issues/85) * **client:** Wait for server acknowledgement indefinitely ([a4bd602](a4bd602)), closes [enisdenjo#98](https://github.com/ilijaNL/graphql-ws/issues/98) * Close the details tag in the README ([84144c4](84144c4)) * correctly detect WebSocket server ([eab29dc](eab29dc)) * Define entry points through the `exports` field and use `.mjs` suffixed ESM imports ([enisdenjo#110](https://github.com/ilijaNL/graphql-ws/issues/110)) ([4196238](4196238)) * Define graphql execution results ([a64c91b](a64c91b)) * Drop TypeScript DOM lib dependency ([a81e8c1](a81e8c1)) * export both the client and the server from index ([29923b1](29923b1)) * Export useful types ([e4cc4d4](e4cc4d4)) * **fastify-websocket:** Handle connection and socket emitted errors ([71e9586](71e9586)) * **fastify-websocket:** Handle server emitted errors ([3fa17a7](3fa17a7)) * http and ws have no default exports ([5c01ed9](5c01ed9)) * include `types` file holding important types ([f3e4edf](f3e4edf)) * Main entrypoint in `exports` is just `"."` ([8f70b02](8f70b02)) * **message:** Allow `data` field to be of any type ([533248e](533248e)), closes [enisdenjo#72](https://github.com/ilijaNL/graphql-ws/issues/72) * **message:** Allow `payload` field to be of any type for `NextMessage` ([7cebbfe](7cebbfe)), closes [enisdenjo#72](https://github.com/ilijaNL/graphql-ws/issues/72) * Node 10 is the min supported version ([19844d7](19844d7)) * notify only relevant sinks about errors or completions ([62155ba](62155ba)) * Only UMD build has side effects ([66ed43f](66ed43f)) * Reorder types paths in package.json for better import resolution ([enisdenjo#406](https://github.com/ilijaNL/graphql-ws/issues/406)) ([37263c5](37263c5)) * reset connected/connecting state when disconnecting and disposing ([2eb3cd5](2eb3cd5)) * **server:** `handleProtocols` accepts arrays too and gracefully rejects other types ([98dec1a](98dec1a)), closes [enisdenjo#318](https://github.com/ilijaNL/graphql-ws/issues/318) * **server:** `onDisconnect` is called exclusively if the connection is acknowledged ([33ed5f2](33ed5f2)) * **server:** `return` instead of `break` at switch case ends ([e9447e4](e9447e4)), closes [enisdenjo#140](https://github.com/ilijaNL/graphql-ws/issues/140) * **server:** `subscription` operations are distinct on the message ID ([enisdenjo#24](https://github.com/ilijaNL/graphql-ws/issues/24)) ([dfffb05](dfffb05)) * **server:** allow skipping init message wait with zero values ([a7419df](a7419df)) * **server:** Async iterator must implement `return` ([d99982b](d99982b)), closes [enisdenjo#149](https://github.com/ilijaNL/graphql-ws/issues/149) * **server:** Client can complete/cancel any operation ([0ad1c4c](0ad1c4c)) * **server:** Close socket if `onSubscribe` returns invalid array ([enisdenjo#53](https://github.com/ilijaNL/graphql-ws/issues/53)) ([0464a54](0464a54)) * **server:** Consistently set `rootValue` and `contextValue`, if not overridden ([enisdenjo#49](https://github.com/ilijaNL/graphql-ws/issues/49)) ([7aa3bcd](7aa3bcd)) * **server:** Distribute server error to all clients even if one error listener throws ([enisdenjo#56](https://github.com/ilijaNL/graphql-ws/issues/56)) ([b96dbb9](b96dbb9)) * **server:** Don't surface bad request error details in production ([enisdenjo#55](https://github.com/ilijaNL/graphql-ws/issues/55)) ([70317b2](70317b2)) * **server:** Enforce ID uniqueness across all operations and during the whole subscription life ([enisdenjo#96](https://github.com/ilijaNL/graphql-ws/issues/96)) ([65d1bfa](65d1bfa)) * **server:** Handle upgrade requests with multiple subprotocols and omit `Sec-WebSocket-Protocol` header if none supported ([9bae064](9bae064)) * **server:** Hide internal server error messages from the client in production ([36fe405](36fe405)), closes [enisdenjo#31](https://github.com/ilijaNL/graphql-ws/issues/31) * **server:** Init context first on connection open ([a80e753](a80e753)), closes [enisdenjo#181](https://github.com/ilijaNL/graphql-ws/issues/181) * **server:** Limit internal server error close message size ([8479f76](8479f76)) * **server:** Log internal errors to the console ([6ddf0d1](6ddf0d1)) * **server:** Make sure to use `onSubscribe` result exclusively ([51fdb7c](51fdb7c)) * **server:** No need to bind `this` scope ([f76ac73](f76ac73)) * **server:** Operation result can be async generator or iterable ([b1fb883](b1fb883)) * **server:** Receiving more than one `ConnectionInit` message closes the socket immediately ([757c6e9](757c6e9)) * **server:** Respect completed subscriptions even if `subscribe` or `onOperation` didnt resolve yet ([4700154](4700154)) * **server:** Return ping's payload through the response pong ([47730a9](47730a9)), closes [enisdenjo#117](https://github.com/ilijaNL/graphql-ws/issues/117) * **server:** scoped execution result formatter from `onConnect` ([f91fadb](f91fadb)) * **server:** Should clean up subscription reservations on abrupt errors without relying on connection close ([611c223](611c223)) * **server:** Shouldn't send a complete message if client sent it ([331fe47](331fe47)), closes [enisdenjo#403](https://github.com/ilijaNL/graphql-ws/issues/403) * **server:** store the intial request in the context ([6927ee0](6927ee0)) * **server:** Use `subscribe` from the config ([6fbd47c](6fbd47c)) * **server:** use subscription specific formatter for queries and mutations too ([5672a04](5672a04)) * Sink's next callback always receives an `ExecutionResult` ([045b402](045b402)) * Stop sending messages after receiving complete ([enisdenjo#65](https://github.com/ilijaNL/graphql-ws/issues/65)) ([3f4f836](3f4f836)) * Support more `graphql` versions ([de69b4e](de69b4e)) * Support more Node versions by not using `globalThis` ([79c2ed2](79c2ed2)) * Use `4406` close code for unsupported subprotocol (`1002` is an internal WebSocket close code) ([df85281](df85281)) * Use `4500` close code for internal server errors (`1011` is an internal WebSocket close code) ([3c0316d](3c0316d)) * Use `ID` type for message id field ([87ebd35](87ebd35)) * **uWebSockets:** Handle premature and abrupt socket closes ([9d3ff52](9d3ff52)), closes [enisdenjo#186](https://github.com/ilijaNL/graphql-ws/issues/186) * Warn about subscriptions-transport-ws clients and provide migration link ([e080739](e080739)), closes [enisdenjo#339](https://github.com/ilijaNL/graphql-ws/issues/339) [enisdenjo#325](https://github.com/ilijaNL/graphql-ws/issues/325) * **ws,fastify-websocket:** Send only on ready socket ([8d13c9e](8d13c9e)) * **ws,uWebSockets,@fastify/websocket:** Handle internal errors that are not instances of `Error` ([enisdenjo#442](https://github.com/ilijaNL/graphql-ws/issues/442)) ([9884889](9884889)), closes [enisdenjo#441](https://github.com/ilijaNL/graphql-ws/issues/441) * **ws:** Handle socket emitted errors ([a22c00f](a22c00f)) * **ws:** Limit server emitted error close message size ([50620df](50620df)) * **ws:** Log server emitted errors to the console ([0826b0a](0826b0a)) * yarn engine is not required ([enisdenjo#34](https://github.com/ilijaNL/graphql-ws/issues/34)) ([89484b8](89484b8)) ### Features * `cjs`, `esm` and `umd` builds with minification and compression for the browser ([enisdenjo#58](https://github.com/ilijaNL/graphql-ws/issues/58)) ([ebb8dfe](ebb8dfe)) * Add `extensions` field to the subscribe message payload ([d86a8e4](d86a8e4)) * Allow null payloads in messages ([enisdenjo#456](https://github.com/ilijaNL/graphql-ws/issues/456)) ([eeb0265](eeb0265)), closes [enisdenjo#455](https://github.com/ilijaNL/graphql-ws/issues/455) * Bidirectional ping/pong message types ([enisdenjo#201](https://github.com/ilijaNL/graphql-ws/issues/201)) ([1efaf83](1efaf83)) * Centralise expected close codes in `CloseCode` enum ([d10a75c](d10a75c)) * **client:** `connectionParams` can return `undefined` ([a543187](a543187)) * **client:** `connectionParams` may return a promise ([enisdenjo#71](https://github.com/ilijaNL/graphql-ws/issues/71)) ([33f210c](33f210c)) * **client:** `disablePong` option for when implementing a custom pinger ([6510360](6510360)), closes [enisdenjo#117](https://github.com/ilijaNL/graphql-ws/issues/117) * **client:** `isFatalConnectionProblem` option for deciding if the connect error should be immediately reported or the connection retried ([enisdenjo#126](https://github.com/ilijaNL/graphql-ws/issues/126)) ([8115871](8115871)), closes [enisdenjo#122](https://github.com/ilijaNL/graphql-ws/issues/122) * **client:** `onNonLazyError` allows you to catch errors reported in non-lazy mode ([cd1e7df](cd1e7df)) * **client:** `url` option accepts a function or a Promise ([enisdenjo#143](https://github.com/ilijaNL/graphql-ws/issues/143)) ([76f522f](76f522f)), closes [enisdenjo#145](https://github.com/ilijaNL/graphql-ws/issues/145) [enisdenjo#146](https://github.com/ilijaNL/graphql-ws/issues/146) * **client:** Add `connectionAckWaitTimeout` option ([enisdenjo#228](https://github.com/ilijaNL/graphql-ws/issues/228)) ([35ce054](35ce054)) * **client:** Add `opened` event for when a WebSocket opens ([9053224](9053224)) * **client:** Allow keeping the connection alive for some time before lazy closing ([enisdenjo#69](https://github.com/ilijaNL/graphql-ws/issues/69)) ([555c2c3](555c2c3)) * **client:** Deprecate `isFatalConnectionProblem` option in favour of `shouldRetry` ([d8dcf21](d8dcf21)) * **client:** Emit events for `connecting`, `connected` and `closed` ([627775b](627775b)) * **client:** Implement silent-reconnects ([c6f7872](c6f7872)), closes [enisdenjo#7](https://github.com/ilijaNL/graphql-ws/issues/7) * **client:** introduce Socky 🧦 - the nifty internal socket state manager ([enisdenjo#8](https://github.com/ilijaNL/graphql-ws/issues/8)) ([a4bee6f](a4bee6f)) * **client:** Lazy option can be changed ([fb0ec14](fb0ec14)) * **client:** Optional `generateID` to provide subscription IDs ([enisdenjo#22](https://github.com/ilijaNL/graphql-ws/issues/22)) ([9a3f54a](9a3f54a)), closes [enisdenjo#21](https://github.com/ilijaNL/graphql-ws/issues/21) * **client:** Provide subscribe payload in `generateID` ([d0bc6e1](d0bc6e1)), closes [enisdenjo#398](https://github.com/ilijaNL/graphql-ws/issues/398) * **client:** Re-implement following the new transport protocol ([#6](#6)) ([5191a35](5191a35)) * **client:** Rename `keepAlive` option to `lazyCloseTimeout` ([3c1f13c](3c1f13c)) * **client:** Retry with randomised exponential backoff or provide your own strategy ([enisdenjo#84](https://github.com/ilijaNL/graphql-ws/issues/84)) ([d3e7a17](d3e7a17)) * **client:** Support providing custom WebSocket implementations ([enisdenjo#18](https://github.com/ilijaNL/graphql-ws/issues/18)) ([1515fe2](1515fe2)) * **client:** Terminate the WebSocket abruptly and immediately ([53ad515](53ad515)), closes [enisdenjo#290](https://github.com/ilijaNL/graphql-ws/issues/290) * Descriptive invalid message errors ([b46379e](b46379e)), closes [enisdenjo#366](https://github.com/ilijaNL/graphql-ws/issues/366) * Optional `payload` for ping/pong message types ([2fe0345](2fe0345)), closes [enisdenjo#117](https://github.com/ilijaNL/graphql-ws/issues/117) * Package ECMAScript Modules too ([enisdenjo#87](https://github.com/ilijaNL/graphql-ws/issues/87)) ([2108174](2108174)) * Package rename `@enisdenjo/graphql-transport-ws` 👉 `graphql-transport-ws`. ([494f676](494f676)) * Rewrite GraphQL over WebSocket Protocol ([#2](#2)) ([42045c5](42045c5)) * Send optional payload with the `ConnectionAck` message ([enisdenjo#60](https://github.com/ilijaNL/graphql-ws/issues/60)) ([1327e77](1327e77)) * **server:** `context` may return a promise ([cd5c2f8](cd5c2f8)), closes [enisdenjo#74](https://github.com/ilijaNL/graphql-ws/issues/74) * **server:** `execute` and `subscribe` are optional ([enisdenjo#148](https://github.com/ilijaNL/graphql-ws/issues/148)) ([af748b0](af748b0)) * **server:** Add `onClose` callback for closures at _any_ point in time ([dd0d4fa](dd0d4fa)) * **server:** Add `onDisconnect` callback ([enisdenjo#94](https://github.com/ilijaNL/graphql-ws/issues/94)) ([2a61268](2a61268)) * **server:** Add support for `ws@v8` ([9119153](9119153)) * **server:** Define execution/subscription `context` in creation options ([5b3d253](5b3d253)), closes [enisdenjo#13](https://github.com/ilijaNL/graphql-ws/issues/13) * **server:** Dynamic `schema` support by accepting a function or a Promise ([enisdenjo#147](https://github.com/ilijaNL/graphql-ws/issues/147)) ([6a0bf94](6a0bf94)), closes [enisdenjo#127](https://github.com/ilijaNL/graphql-ws/issues/127) * **server:** For dynamic usage, `context` option can be a function too ([enisdenjo#46](https://github.com/ilijaNL/graphql-ws/issues/46)) ([149b582](149b582)) * **server:** Implement following the new transport protocol ([#1](#1)) ([a412d25](a412d25)) * **server:** Log a warning for unsupported subprotocols ([88a12ef](88a12ef)), closes [enisdenjo#92](https://github.com/ilijaNL/graphql-ws/issues/92) * **server:** Make and use with your own flavour ([enisdenjo#64](https://github.com/ilijaNL/graphql-ws/issues/64)) ([38bde87](38bde87)), closes [enisdenjo#61](https://github.com/ilijaNL/graphql-ws/issues/61) [enisdenjo#73](https://github.com/ilijaNL/graphql-ws/issues/73) [enisdenjo#75](https://github.com/ilijaNL/graphql-ws/issues/75) * **server:** More callbacks, clearer differences and higher extensibility ([enisdenjo#40](https://github.com/ilijaNL/graphql-ws/issues/40)) ([507a222](507a222)) * **server:** Optional `onPing` and `onPong` message type listeners ([f36066f](f36066f)) * **server:** Pass roots for operation fields as an option ([dcb5ed4](dcb5ed4)) * **server:** Support returning multiple results from `execute` ([enisdenjo#28](https://github.com/ilijaNL/graphql-ws/issues/28)) ([dbbd88b](dbbd88b)) * **server:** Use `@fastify/websocket` ([enisdenjo#382](https://github.com/ilijaNL/graphql-ws/issues/382)) ([dd755b0](dd755b0)), closes [enisdenjo#381](https://github.com/ilijaNL/graphql-ws/issues/381) * **server:** Use `fastify-websocket` ([enisdenjo#200](https://github.com/ilijaNL/graphql-ws/issues/200)) ([b62fc95](b62fc95)) * **server:** Use `validate` option for custom GraphQL validation ([b68d56c](b68d56c)) * **server:** Use uWebSockets ([enisdenjo#89](https://github.com/ilijaNL/graphql-ws/issues/89)) ([45d08fc](45d08fc)), closes [enisdenjo#61](https://github.com/ilijaNL/graphql-ws/issues/61) * Subscribe message `query` must be a string ([enisdenjo#45](https://github.com/ilijaNL/graphql-ws/issues/45)) ([60d9cd5](60d9cd5)) * Support custom JSON message `reviver` and `replacer` ([enisdenjo#172](https://github.com/ilijaNL/graphql-ws/issues/172)) ([0a9894e](0a9894e)) * TypeScript generic for connection init payload (`connectionParams`) ([enisdenjo#311](https://github.com/ilijaNL/graphql-ws/issues/311)) ([e67cf80](e67cf80)) * **use:** Generic for extending the context extras ([401cd4c](401cd4c)), closes [enisdenjo#189](https://github.com/ilijaNL/graphql-ws/issues/189) * **uWebSockets:** Add `persistedRequest` to context extra and deprecate uWS's stack allocated `request` ([enisdenjo#196](https://github.com/ilijaNL/graphql-ws/issues/196)) ([736e6ed](736e6ed)) * **uWebSockets:** Drop deprecated `request` context extra ([02ea5ee](02ea5ee)) * WebSocket Ping and Pong as keep-alive ([enisdenjo#11](https://github.com/ilijaNL/graphql-ws/issues/11)) ([16ae316](16ae316)) ### Performance Improvements * **client:** Await timeouts only in recursive connects ([55c8fc8](55c8fc8)) * **client:** Focus subscription message listeners on `id` ([enisdenjo#150](https://github.com/ilijaNL/graphql-ws/issues/150)) ([32c2268](32c2268)) * **client:** Memoize message parsing for each subscriber ([2a7ba46](2a7ba46)) * Easier message parser ([d44c6f1](d44c6f1)) * Reduce runtime prototype traversal for hasOwnProperty ([enisdenjo#52](https://github.com/ilijaNL/graphql-ws/issues/52)) ([1bb9218](1bb9218)) ### Reverts * Revert "refactor: emit client connect in next tick during testing" ([c10d0bf](c10d0bf)) ### BREAKING CHANGES * Because of the Protocol's strictness, an instant connection termination will happen whenever an invalid message is identified; meaning, all previous implementations will fail when receiving the new subprotocol ping/pong messages. **Beware,** the client will NOT ping the server by default. Please make sure to upgrade your stack in order to support the new ping/pong message types. A simple recipe showcasing a client that times out if no pong is received and measures latency, looks like this: ```js import { createClient } from 'graphql-ws'; let activeSocket, timedOut, pingSentAt = 0, latency = 0; createClient({ url: 'ws://i.time.out:4000/and-measure/latency', keepAlive: 10_000, // ping server every 10 seconds on: { connected: (socket) => (activeSocket = socket), ping: (received) => { if (!received /* sent */) { pingSentAt = Date.now(); timedOut = setTimeout(() => { if (activeSocket.readyState === WebSocket.OPEN) activeSocket.close(4408, 'Request Timeout'); }, 5_000); // wait 5 seconds for the pong and then close the connection } }, pong: (received) => { if (received) { latency = Date.now() - pingSentAt; clearTimeout(timedOut); // pong is received, clear connection close timeout } }, }, }); ``` * **uWebSockets:** The deprecated uWebSockets `request` context extra field has been dropped because it is stack allocated and cannot be used ouside the internal `upgrade` callback. * **client:** Client `keepAlive` option has been renamed to `lazyCloseTimeout` in order to eliminate ambiguity with the client to server pings keep-alive option. * **server:** The return function of `server.opened` (`closed`) now requires the close event code and reason for reporting to the `onDisconnect` callback. * **server:** The `Context.subscriptions` record value can be either an `AsyncIterator` or a `Promise`. * **client:** Client `retryTimeout` option has been replaced with the new `retryWait`. `retryWait` allows you to control the retry timeout strategy by resolving the returned promise when ready. The default implements the randomised exponential backoff like so: ```ts // this is the default const retryWait = async function randomisedExponentialBackoff(retries: number) { let retryDelay = 1000; // start with 1s delay for (let i = 0; i < retries; i++) { retryDelay *= 2; // square `retries` times } await new Promise((resolve) => setTimeout( // resolve pending promise with added random timeout from 300ms to 3s resolve, retryDelay + Math.floor(Math.random() * (3000 - 300) + 300), ), ); }; ``` * **server:** You now "make" a ready-to-use server that can be used with _any_ WebSocket implementation! Summary of breaking changes: - No more `keepAlive`. The user should provide its own keep-alive implementation. _(I highly recommend [WebSocket Ping and Pongs](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#Pings_and_Pongs_The_Heartbeat_of_WebSockets))_ - No more HTTP `request` in the server context. - No more WebSocket in the server context (you're the one that creates it). - You use your own WebSocket server - Server exports only `makeServer` _(no more `createServer`)_ ### Benefits - You're responsible for the server (_any_ optimisation or adjustment can be applied) - Any WebSocket server can be used (or even mocked if necessary) - You control the disposal of the server (close or transfer clients however you wish) - New `extra` field in the `Context` for storing custom values useful for callbacks - Full control of authentication flow - Full control over error handling - True zero-dependency ### Migrating from v1 **Only the server has to be migrated.** Since this release allows you to use your favourite WebSocket library (or your own implementation), using [ws](https://github.com/websockets/ws) is just one way of using `graphql-ws`. This is how to use the implementation shipped with the lib: ```ts /** * ❌ instead of the lib creating a WebSocket server internally with the provided arguments */ import https from 'https'; import { createServer } from 'graphql-ws'; const server = https.createServer(...); createServer( { onConnect(ctx) { // were previously directly on the context ctx.request as IncomingRequest ctx.socket as WebSocket }, ...rest, }, { server, path: '/graphql', }, ); /** * ✅ you have to supply the server yourself */ import https from 'https'; import ws from 'ws'; // yarn add ws import { useServer } from 'graphql-ws/lib/use/ws'; // notice the import path const server = https.createServer(...); const wsServer = new ws.Server({ server, path: '/graphql', }); useServer( { onConnect(ctx) { // are now in the `extra` field ctx.extra.request as IncomingRequest ctx.extra.socket as WebSocket }, ...rest, }, wsServer, // optional keepAlive with ping pongs (defaults to 12 seconds) ); ``` * This lib is no longer compatible with [`subscriptions-transport-ws`](https://github.com/apollographql/subscriptions-transport-ws). It follows a redesigned transport protocol aiming to improve security, stability and reduce ambiguity.
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Screenshot
First websocket and its related subscriptions
Next valid connection with its related subscriptions:
As you can see, the second screenshot has much less subscriptions sent to the server.
Expected Behaviour
No subscriptions are lost while reconnecting to a server
Actual Behaviour
It managed to reconnect to the server properly but didn't send the whole set of subscriptions
Debug Information
This seems to happen only when the websockets aren't able to reconnect right away to a server.
In my case: I restarted my server locally and because it's using typescript and transpiling on the fly with babel, it takes a little while to restart properly. So to reproduce I just launched my client, my server and then restarted my server and waited.
I am joining a
harfile below that has content as well, you can open this in any Chromium browser (sadly Firefox doesn't handle HAR with content yet) by dragging the file into yourdev tools networkpanel.It should load the whole story and you would be able to see my network at the moment of the bug happening.
websockets-operations-after-reconnection.har.zip
Further Information
As with the previous issue, please let me know if you need more information and/or help 🙏
Thank you again for your great work on this new library!
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