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Author SHA1 Message Date
epriestley
4b1815d6cc Add a "Startup" to DarkConsole
Summary: Ref T8588. It looks like something slow is happening //before// we start DarkConsole. Add some crude reporting to try to narrow it down.

Test Plan: {F743050}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T8588

Differential Revision: https://secure.phabricator.com/D13956
2015-08-21 14:53:29 -07:00
Joshua Spence
368f359114 Use PhutilClassMapQuery instead of PhutilSymbolLoader
Summary: Use `PhutilClassMaQuery` instead of `PhutilSymbolLoader`, mostly for consistency. Depends on D13588.

Test Plan: Poked around a bunch of pages.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D13589
2015-08-14 07:49:01 +10:00
epriestley
a15444aa79 Remove PhabricatorStartup::getGlobal/setGlobal mechanism
Summary:
Ref T8424. Fixes T7114. This was envisioned as a per-request cache for reusing interpreters, but isn't a good fit for that in modern Phabricator.

In particular, it isn't loaded by the daemons, but they have equal need for per-request caching.

Since I finally need such a cache for Spaces, throw the old stuff away before I built a more modern cache.

Also resolves T7114 by dropping filtering on $_SERVER. I'm pretty sure this is the simplest fix, see D12977 for a bit more discussion.

Test Plan: Called `didFatal()` from somewhere in normal code and verified it was able to use the access log.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T7114, T8424

Differential Revision: https://secure.phabricator.com/D13152
2015-06-04 17:26:52 -07:00
Joshua Spence
36e2d02d6e phtize all the things
Summary: `pht`ize a whole bunch of strings in rP.

Test Plan: Intense eyeballing.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12797
2015-05-22 21:16:39 +10:00
Joshua Spence
acb45968d8 Use __CLASS__ instead of hard-coding class names
Summary: Use `__CLASS__` instead of hard-coding class names. Depends on D12605.

Test Plan: Eyeball it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12806
2015-05-14 07:21:13 +10:00
epriestley
52b9e5ec14 Filter potentially problematic $_ENV variables
Summary:
Caught this in the production error logs. We can end up with `argv` defined and set to an array in an nginx + php-fpm configuration.

When we later run `ExecFuture` subprocesses, they won't be able to forward the value.

The error this produces looks like this:

```
015/04/27 12:17:35 [error] 10948#0: *674 FastCGI sent in stderr: "PHP message: [2015-04-27 12:17:35] ERROR 8: Array to string conversion at [/core/lib/libphutil/src/future/exec/ExecFuture.php:667]
PHP message: arcanist(head=master, ref.master=805ae12408e8), phabricator(head=master, ref.master=8ce8a761efe9), phutil(head=master, ref.master=fccf03d48e08)
PHP message:   #0 ExecFuture::isReady() called at [<phutil>/src/future/Future.php:39]
PHP message:   #1 Future::resolve(NULL) called at [<phutil>/src/future/exec/ExecFuture.php:413]
PHP message:   #2 ExecFuture::resolvex() called at [<phabricator>/src/applications/diffusion/query/rawdiff/DiffusionGitRawDiffQuery.php:40]
PHP message:   #3 DiffusionGitRawDiffQuery::executeQuery() called at [<phabricator>/src/applications/diffusion/query/rawdiff/DiffusionRawDiffQuery.php:17]
PHP message:   #4 DiffusionRawDiffQuery::loadRawDiff() called at [<phabricator>/src/applications/diffusion/conduit/DiffusionRawDiffQueryConduitAPIMethod.php:56]
PHP message:   #5 DiffusionRawDiffQueryConduitAPIMethod::getResult(ConduitAPIRequest) called at [<phabricator>/src/applications/diffusion/conduit/DiffusionQueryConduitAPIMethod.php:135]
PHP message:   #6 DiffusionQueryConduitAPIMethod::execute(ConduitAPIRequest) called at [<phabricator>/src/applications/conduit/method/ConduitAPIMethod.php:90]
PHP message:   #7 ConduitAPIMethod::executeMethod(ConduitAPIRequest) called at [<phabricator>/src/applications/conduit/call/ConduitCall.php:134]
PHP message:   #8 ConduitCall::executeMethod() called at [<phabricator>/src/applications/conduit/call/ConduitCall.php:84]
PHP message:   #9 ConduitCall::execute() called at [<phabricator>/src/applications/diffusion/query/DiffusionQuery.php:81]
PHP message:   #10 DiffusionQuery::callConduitWithDiffusionRequest(PhabricatorUser, DiffusionGitRequest, string, array) called at [<phabricator>/src/applications/diffusion/controller/DiffusionController.php:184]
PHP message:   #11 DiffusionController::callConduitWithDiffusionRequest(string, array) called at [<phabricat
```

Test Plan: I'm just going to push this to make sure it fixes things, since I can't repro it locally.

Reviewers: btrahan

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D12571
2015-04-27 05:21:15 -07:00
epriestley
ebcab8edb6 Namespace Aphlict clients by request path, plus other fixes
Summary:
Fixes T7130. Fixes T7041. Fixes T7012.

Major change here is partitioning clients. In the Phacility cluster, being able to get a huge pile of instances on a single server -- without needing to run a process per instance -- is desirable.

To accomplish this, just bucket clients by the path they connect with. This will let us set client URIs to `/instancename/` and then route connections to a small set of servers. This degrades cleanly in the common case and has no effect on installs which don't do instancing.

Also fix two unrelated issues:

  - Fix the timeouts, which were incorrectly initializing in `open()` (which is called during reconnect, causing them to reset every time). Instead, initialize in the constructor. Cap timeout at 5 minutes.
  - Probably fix subscriptions, which were using a property with an object definition. Since this is by-ref, all concrete instances of the object share the same property, so all users would be subscribed to everything. Probably.

Test Plan:
  - Hit notification status page, saw version bump and instance/path name.
  - Saw instance/path name in client and server logs.
  - Stopped server, saw reconnects after 2, 4, 16, ... seconds.
  - Sent test notification; received test notification.
  - Didn't explicitly test the subscription thing but it should be obvious by looking at `/notification/status/` shortly after a push.

Reviewers: joshuaspence, btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T7041, T7012, T7130

Differential Revision: https://secure.phabricator.com/D11769
2015-02-16 11:31:15 -08:00
Pierre Moreau
172566a769 Aphlict - fix incrementation of _messagesIn
Summary: Ref T7124. The local version of `this` in the handler of 'end' was incremented rather than the global one.

Test Plan: Sending test notifications did not increment the `messages.in` value before this patch even if it should have. With the patch sending test notifications does increment `messages.in`.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T7124

Differential Revision: https://secure.phabricator.com/D11648
2015-02-03 08:02:23 -08:00
Pierre Moreau
a424fec7bb Aphlict - fix getActiveListenerCount return value
Summary: Ref T7126. Dictionaries do not have a `length` property unlike arrays resulting in the `getActiveListenerCount()` function returning undefined results. Using the `length` property on the array of keys will work.

Test Plan: Using `wscat` to generate multiple connections to the server, establish new ones and close others while keeping an eye on the displayed `clients.active` value.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Maniphest Tasks: T7126

Differential Revision: https://secure.phabricator.com/D11647
2015-02-03 07:01:49 -08:00
Pierre Moreau
4af1fd2a79 Aphlict - remove listeners when clients close the connection
Summary: Ref T7110. Listeners are now removed when clients close the connection to avoid stacking a never ending number of unused listeners.

Test Plan: Using `wscat` to connect to the Aphlict server; when closing the connection a 'Diconnected.' will appear in the logs and the number of active listeners is decreased by one.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Maniphest Tasks: T7110

Differential Revision: https://secure.phabricator.com/D11634
2015-02-02 14:57:20 -08:00
Joshua Spence
04ee853cec Add the logger earlier in the Aphlict startup process
Summary: Add the logger as soon as possible so that the log file will contain errors if the `ws` module cannot be loaded.

Test Plan: Ran `./bin/aphlict debug` without having the `ws` module installed. Saw errors in the logs.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11457
2015-01-22 07:45:55 +11:00
Joshua Spence
f61846b469 Fix Aphlict exit status
Summary: Fixes T6998. Based on https://groups.google.com/d/msg/nodejs/zF7GEoPccqw/n26c6gPaluwJ.

Test Plan: Ran Aphlict and forced an error. Saw error messages in the logs and also saw a non-zero exit status.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6998

Differential Revision: https://secure.phabricator.com/D11456
2015-01-22 06:46:49 +11:00
Joshua Spence
8113e6d8c1 Enable the freeze option for JSHint
Summary:
This option prohibits overwriting prototypes of native objects such as `Array`, `Date` and so on.

```lang=js
// jshint freeze:true
Array.prototype.count = function (value) { return 4; };
// -> Warning: Extending prototype of native object: 'Array'.
```

Test Plan: Linted existing JavaScript files, found no violations.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11439
2015-01-20 21:25:12 +11:00
Joshua Spence
27422ffe8e Use single quotes in JavaScript files
Summary: Use single quotes to keep JSHint happy.

Test Plan: `arc lint`

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11431
2015-01-20 08:53:47 +11:00
Joshua Spence
53834d1471 Enable "strict" mode for NodeJS
Summary:
In particular, this changes the behavior of NodeJS in the following ways:

- Any attempt to get or modify the global object will result in an error.
- `null` values of `this` will no longer be evaluated to the global object and primitive values of this will not be converted to wrapper objects.
- Writing or deleting properties which have there writeable or configurable attributes set to false will now throw an error instead of failing silently.
- Adding a property to an object whose extensible attribute is false will also throw an error now.
- A functions arguments are not writeable so attempting to change them will now throw an error `arguments = [...]`.
- `with(){}` statements are gone.
- Use of `eval` is effectively banned.
- `eval` and `arguments` are not allowed as variable or function identifiers in any scope.
- The identifiers `implements`, `interface`, `let`, `package`, `private`, `protected`, `public`, `static` and `yield` are all now reserved for future use (roll on ES6).

Test Plan: Verified that Aphlict was still functional.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11430
2015-01-20 07:43:10 +11:00
epriestley
4636833f3d Fix module imports in Aphlict server
Summary:
This was broken in D11383. Basically, I had the `ws` module installed globally whilst testing, but the changes made do not work if the `ws` module is installed locally (i.e. in the `./support/aphlict/server/node_modules` directory). After poking around, it seems that this is due to the sandboxing that is done by `JX.require`.

A quick fix is to just //not// use `JX.require`, although you may have a better idea?

The error that is occurring is as follows:

```
<<< UNCAUGHT EXCEPTION! >>>

Error: Cannot find module 'ws'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at extra.require (/usr/src/phabricator/webroot/rsrc/externals/javelin/core/init_node.js:48:16)
    at /usr/src/phabricator/support/aphlict/server/lib/AphlictClientServer.js:10:17
    at Script.(anonymous function) [as runInNewContext] (vm.js:41:22)
    at Object.JX.require (/usr/src/phabricator/webroot/rsrc/externals/javelin/core/init_node.js:58:6)
    at Object.<anonymous> (/usr/src/phabricator/support/aphlict/server/aphlict_server.js:102:4)
    at Module._compile (module.js:456:26)
>>> Server exited!
```

Test Plan: Now able to start the Aphlict server.

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: Korvin, epriestley

Maniphest Tasks: T6987

Differential Revision: https://secure.phabricator.com/D11425
2015-01-19 11:46:14 -08:00
Joshua Spence
2b12f61602 Don't exit from the Aphlict Server prematurely
Summary: By calling `process.exit(1)` we are forcing the Node.js process to exit prematurely. Specifically, the process is terminated before the error is written to the log file. This can be verified by inspecting the value of `debug._logs[0]._writableState.writing` immediately before the process is terminated.

Test Plan: Ran `./bin/aphlict debug` without the `ws` module being installed. Verified that `<<< UNCAUGHT EXCEPTION! >>>` was echoed to the console as well as the log file. Also verified that the exit status was non-zero.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11426
2015-01-20 06:36:51 +11:00
Joshua Spence
9a7ad972cd Refactoring of the Aphlict server
Summary: Tidy the Aphlict server by splitting the functionality into two main modules, `AphlictClientServer` and `AphlictAdminServer. There is still further tidying that could be done here, but I feel that this puts us in a much better place.

Test Plan: Sent notifications via `/notification/status/`.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11383
2015-01-19 07:49:50 +11:00
Joshua Spence
270a0c54b4 Fix permissions on Aphlict log
Summary: Currently, the Aphlict server created the log file (if it doesn't exist) but then immediately fails with "Unable to open logfile". It seems that we don't set the permissions correctly.

Test Plan: Deleted log file and was able to start the Aphlict server.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11351
2015-01-13 08:26:04 +11:00
epriestley
0d070c91dc Fix Aphlict logging
Summary:
Yeahhhhhhhh....

  - Open a "stream", not a "steam".
  - Make error easier for users to understand.
  - Write to the log in debug mode so the issue is more apparent.

Test Plan:
  - Started server with bad permissions, got usable error message.
  - Started server with good permissions, got logfile.

Reviewers: joshuaspence, btrahan

Reviewed By: btrahan

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11339
2015-01-12 08:16:08 -08:00
Joshua Spence
638cf20c9d Allow the Aphlict server to bind to localhost
Summary: If you are running the Aphlict server behind a reverse proxy (such as `nginx`) then there's no need to bind to `0.0.0.0`. Add a `--client-host` flag to `aphlict_server.js` to allow binding to a different hostname. Also changed the other flags for consistency and clarity.

Test Plan: Started, stopped and debug the Aphlict server.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11288
2015-01-09 11:10:47 +11:00
epriestley
f0ade1be1c Stop advising users to use npm -g to install websockets
Summary: Fixes T6910. This advice is bad, doesn't work, and was based on me havng an outdated or incorrect understanding of Node and npm.

Test Plan: Read documentation.

Reviewers: richardvanvelzen, btrahan, chad, joshuaspence

Reviewed By: chad, joshuaspence

Subscribers: epriestley

Maniphest Tasks: T6910

Differential Revision: https://secure.phabricator.com/D11285
2015-01-08 14:02:14 -08:00
Joshua Spence
a87f2cd610 Fix --ssl-cert for Aphlict
Summary: `PhabricatorAphlictManagementWorkflow` passes `--ssl-cert` but `aphlict_server.js` expects `--ssl-certificate`.

Test Plan: Tested on a production system.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11283
2015-01-09 08:51:47 +11:00
epriestley
9e0f70e17d Rewrite Aphlict to use Websockets
Summary:
Fixes T6559. No more flash, use Websockets. This is less aggressive than the earlier version, and retains more server logic.

  - Support "wss".
  - Make the client work.
  - Remove "notification.user" entirely.
  - Seems ok?

Test Plan:
In Safari, Firefox and Chrome, saw the browsers connect. Made a bunch of comments/updates and saw notifications.

Notable holes in the test plan:

  - Haven't tested "wss" yet. I'll do this on secure.
  - Notifications are //too fast// now, locally. I get them after I hit submit but before the page reloads.
  - There are probably some other rough edges, this is a fairly big patch.

Reviewers: joshuaspence, btrahan

Reviewed By: joshuaspence, btrahan

Subscribers: fabe, btrahan, epriestley

Maniphest Tasks: T6713, T6559

Differential Revision: https://secure.phabricator.com/D11143
2015-01-08 10:03:00 -08:00
Joshua Spence
87f11a091d Minor improvements to handling Aphlict status code
Summary: Self explanatory.

Test Plan: `curl`ed a few URLs.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11147
2015-01-03 09:11:08 +11:00
Joshua Spence
9f31e023f4 Minor improvements for handling of /status/ for Aphlict
Summary: We don't need to handle any request data for the `/status/` route, so we can simplify this code slightly.

Test Plan:
```lang=bash
> curl http://127.0.0.1:22281/status/
{"uptime":2543,"clients.active":0,"clients.total":0,"messages.in":0,"messages.out":0,"log":"/var/log/aphlict.log","version":6}
```

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11145
2015-01-03 09:10:49 +11:00
Joshua Spence
44198d68a7 Use the correct Content-Type for the Aphlict status route
Summary: The `/status/` route for the Aphlict server returns JSON.

Test Plan:
```lang=bash
> curl -I http://127.0.0.1:22281/status/
HTTP/1.1 200 OK
Content-Type: application/json
Date: Fri, 02 Jan 2015 13:08:34 GMT
Connection: keep-alive
```

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11144
2015-01-03 09:09:48 +11:00
epriestley
08126d3904 Improve top-level exception handling
Summary:
Fixes T6692. Addresses two main issues:

  - The write guard would sometimes not get disposed of on exception pathways, generating an unnecessary secondary error which was just a symptom of the original root error.
    - This was generally confusing and reduced the quality of reports we received because users would report the symptomatic error sometimes instead of the real error.
    - Instead, reflow the handling so that we always dispose of the write guard if we create one.
  - If we missed the Controller-level error page generation (normally, a nice page with full CSS, etc), we'd jump straight to Startup-level error page generation (very basic plain text).
    - A large class of errors occur too early or too late to be handled by Controller-level pages, but many of these errors are not fundamental, and the plain text page is excessively severe.
    - Provide a mid-level simple HTML error page for errors which can't get full CSS, but also aren't so fundamental that we have no recourse but plain text.

Test Plan:
Mid-level errors now produce an intentional-looking error page:

{F259885}

Verified that setup errors still render properly.

@chad, feel free to tweak the exception page -- I just did a rough pass on it. Like the setup error stuff, it doesn't have Celerity, so we can't use `{$colors}` and no other CSS will be loaded.

Reviewers: chad, btrahan

Reviewed By: btrahan

Subscribers: epriestley, chad

Maniphest Tasks: T6692

Differential Revision: https://secure.phabricator.com/D11126
2015-01-02 10:49:27 -08:00
Joshua Spence
af86a35f6b Allow JX to be redefined for NodeJS files
Summary: This silences a bunch of JSHint warnings.

Test Plan: `arc lint -- support/aphlict/server/lib/AphlictLog.js`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11084
2014-12-31 08:39:25 +11:00
Joshua Spence
a00efcbfca Fix some functions being used before they are defined
Summary: Minor JSHint fixes.

Test Plan: `arc lint`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11073
2014-12-30 22:09:53 +11:00
Joshua Spence
fcc7dbbf15 Fix a few minor JSHint warnings
Summary: Basically, don't assign expressions to a variable if the variable is unused.

Test Plan: `arc lint`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11072
2014-12-30 03:02:58 -08:00
Joshua Spence
b6e0c76c7d Define a seperate JSHint configuration for NodeJS files
Summary: Currently, we assume that all JavaScript files are for use in a browser. This is not true for the NodeJS Aphlict server code. Split the current JSHint configuration into `jshint-browser` and `jshint-node`.

Test Plan: `arc lint`

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11071
2014-12-30 03:02:13 -08:00
Joshua Spence
db56342615 Declare Raphael as a global for JSHint
Summary: Let JSHint know that `Raphael` is a global that can be used anywhere. This is not technically correct, but it silences a few JSHint warnings. See http://jshint.com/docs/ for more information.

Test Plan: `arc lint -- webroot/rsrc/js/application/maniphest/behavior-line-chart.js`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11069
2014-12-30 02:58:22 -08:00
Joshua Spence
3cf9a5820f Minor formatting changes
Summary: Apply some autofix linter rules.

Test Plan: `arc lint` and `arc unit`

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D10585
2014-10-08 08:39:49 +11:00
epriestley
cae59d8345 Add an option to make it easier to debug page hangs
Summary:
Fixes T6044. We've had two cases (both the same install, coincidentally) where pages got hung doing too much data fetching.

When pages hang, we don't get a useful stack trace out of them, since nginx, php-fpm, or PHP eventually terminates things in a non-useful way without any diagnostic information.

The second time (the recent Macros issue) I was able to walk the install through removing limits on nginx, php-fpm, php, and eventually getting a profile by letting the page run for several minutes until the request completed. However, this install is exceptionally technically proficient and this was still a big pain for everyone, and this approach would not have worked if the page actually looped rather than just taking a long time.

Provide `debug.time-limit`, which should give us a better tool for reacting to this situation: by setting it to a small value (like 10), we'll kill the page after 10 seconds with a trace, before nginx/php-fpm/php/etc can kill it uselessly. Hopefully that will be enough information to find the issue (generally, getting a trace has been 95% of the problem in the two cases we've encountered).

Test Plan: Set this option to `3` and added a sleep loop, saw a termination after 3 seconds with a useful trace.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: csilvers, joshuaspence, epriestley

Maniphest Tasks: T6044

Differential Revision: https://secure.phabricator.com/D10465
2014-09-11 06:28:21 -07:00
epriestley
8efea3abe9 Add a configuration warning when memory_limit will limit file uploads
Summary: Fixes T6011. See that task for discussion. We can detect when `memory_limit` will be the limiting factor for drag-and-drop uploads and warn administrators about it.

Test Plan: Fiddled configuration values and hit, then resolved, the issue.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T6011

Differential Revision: https://secure.phabricator.com/D10413
2014-09-04 12:48:34 -07:00
Joshua Spence
f2fee5a84e Return a HTTP 500 instead of a HTTP 400 if an internal error occurs in the Aphlict server
Summary: Ref T5651. Only throw a HTTP 400 if the data is invalid (i.e. the request is bad). If something bad happens when trying to transmit the notification, throw a HTTP 500 instead.

Test Plan: Eye-ball it.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Maniphest Tasks: T5651

Differential Revision: https://secure.phabricator.com/D9968
2014-07-18 09:20:00 +10:00
Joshua Spence
41a8837f78 Make HTTP errors returned from the Aphlict server more specific
Summary: Ref T5651. Currently, the Aphlict server returns either `200 OKAY` or `400 Bad Request`. We could return more specific errors in some cases and this may assist with debugging.

Test Plan:
Sent myself a test notification at `/notification/status/` and saw the Aphlict server process the request (running in debug mode). Also poked around with `curl`:

```
> curl http://localhost:22281/
405 Method Not Allowed

> curl http://localhost:22281/ -d ""
400 Bad Request

> curl http://localhost:22281/foobar/
404 Not Found
```

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T5651

Differential Revision: https://secure.phabricator.com/D9967
2014-07-18 09:01:46 +10:00
epriestley
6bf4ec97d5 Fix HTTP 400 from notification server for JSON subscription objects
Summary: Fixes T5651. Sometime we'll send an object to the notification server for `subscribers`, which it will choke on. Use `array_values()` to make sure we're sending an array.

Test Plan: With `(object)` instead, got a consistent error ("no .filter method on object"). With `array_values()`, no error.

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: epriestley

Maniphest Tasks: T5651

Differential Revision: https://secure.phabricator.com/D9963
2014-07-17 14:48:54 -07:00
Joshua Spence
13590b9e3d Rename the support/jshint directory.
Summary: It is somewhat overkill to use an entire directory for a single file (the configuration file for JSHint). Instead, rename the directory so that it could (theoretically) be used for other linter configuration files.

Test Plan: Ran `arc lint -- webroot/rsrc/js/core/phtize.js` just to make sure everything still works.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9944
2014-07-16 22:07:55 +10:00
Joshua Spence
7304e29dec Various minor JSHint fixes.
Summary: Various fixes as suggested by JSHint.

Test Plan: Eye-balled it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9783
2014-07-01 06:00:12 +10:00
epriestley
79366795e7 React to Aphlict disconnects in the UI
Summary: Ref T5365. Surface disconnects in the UI.

Test Plan:
  - Connected, then killed the server.
  - Saw disconnected event and appropriate update in the UI.

{F169605}

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: epriestley

Maniphest Tasks: T5365

Differential Revision: https://secure.phabricator.com/D9706
2014-06-24 09:41:40 -07:00
epriestley
76cefde0b3 Show Aphlict connection status in notification menu
Summary:
Fixes T5373. Ref T5281. Several changes:

  - The `marshallExceptions` thing is useful if JS throws an exception when invoked from Flash, so set it. The resulting exceptions are a little odd (not escaped correctly, e.g.) but way better than nothing.
  - Put connection status in the notification menu.
  - When the connection fails, try to provide contextual help where we can.

Test Plan: {F169493}

Reviewers: chad, joshuaspence

Reviewed By: joshuaspence

Subscribers: epriestley

Maniphest Tasks: T5281, T5373

Differential Revision: https://secure.phabricator.com/D9700
2014-06-23 16:26:16 -07:00
epriestley
dd91732df3 Make JX.Aphlict a real singleton with a more sensible initialization order
Summary:
Ref T5373. The control flow between `aphlict-listener` and `JX.Aphlict` is pretty weird right now, where the listener (which is the highest-level component) has intimate knowledge of how to put the SWF on the page.

Instead:

  - Make `JX.Aphlict` a real singleton.
  - Instantiate it sooner.
  - Have it handle the flash setup handshake.

Test Plan: Loaded page in debug mode, saw normal flow take place.

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: epriestley

Maniphest Tasks: T5373

Differential Revision: https://secure.phabricator.com/D9699
2014-06-23 15:19:34 -07:00
epriestley
80f26e96ea Install an uncaught exception handler in Aphlict
Summary:
Ref T5373. This seems to work pretty much correctly.

Also stop popping bubbles and just use the log, since users find the bubbles confusing/not useful and they're not great for developers either.

Future diffs will expose more user-facing stuff.

Test Plan: Added `throw` to AphlictClient.as, got a log in the parent window.

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: epriestley

Maniphest Tasks: T5373

Differential Revision: https://secure.phabricator.com/D9698
2014-06-23 15:18:36 -07:00
Joshua Spence
fcaeb2aeb6 Be more strict with JSHint.
Summary: Add a bunch of extra checks to be performed by `jshint`. For documentation, see http://jshint.com/docs/options/.

Test Plan:
Ran `jshint --config support/jshint/jshintconfig webroot/rsrc/js/`. There were a bunch of existing violations, but some of these are legitimate and probably require attention.

```lang=json
{
  "bitwise": true, // 0 violations
  "curly": true, // 0 violations
  "immed": true, // 1 violation
  "indent": 2, // 0 violations
  "latedef": true, // 10 violations
  "newcap": true, // 1 violation
  "noarg": true, // 0 violations
  "quotmark": "single", // 55 violations
  "undef": true, // 24 violations
  "unused": true, // 107 violations

  "expr": true,
  "loopfunc": true,
  "sub": true,

  "globals": {
    "JX": false,
    "__DEV__": false
  },
  "browser": true
}
```

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9659
2014-06-23 04:07:52 +10:00
Joshua Spence
97bb13d1d7 Discover workflows automatically.
Summary: Most scripts detect the relevant workflows automatically. Some scripts, however, use a hardcoded list of workflows.

Test Plan: Ran `./bin/aphlict`, `./bin/cache` and `./bin/phd`.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9564
2014-06-16 09:00:25 +10:00
Joshua Spence
279a0e5371 Don't explicitly keep track of _activeListenerCount in the Aphlict server.
Summary: The `_activeListenerCount` variable is overkill, we should be able to achieve the same result using `Object.keys(this._listeners).length`.

Test Plan:
Mucked around in a NodeJS shell.

```lang=js
> Object.keys({}).length
0
> Object.keys({foo: 'bar'}).length
1
> Object.keys({1: 'foo', 2: 'bar'}).length
2
```

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9554
2014-06-16 05:20:00 +10:00
Joshua Spence
e40b18fb75 Fix call to debug.log.
Summary: As pointed out by @epriestley in D9458#62, this call to `debug.log` is missing an argument.

Test Plan: meh..

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D9485
2014-06-14 11:28:28 -07:00
Joshua Spence
cbd95b91b5 Implement unsubscription in the Aphlict client.
Summary: Ref T5284. When an `AphlictClient` is closed, it will eventually be purged from the pool by the `AphlictMaster`. When this happens, also unsubscribe the purged client from all notifications, and send an `unsubscribe` command to the Aphlict server if possible.

Test Plan:
Verified the output of the Aphlict server (running in debug mode):

```
[Wed Jun 11 2014 23:21:31 GMT+0000 (UTC)] <FlashPolicy> Policy Request From ::ffff:192.168.1.1
[Wed Jun 11 2014 23:21:31 GMT+0000 (UTC)] <Listener/2> Connected from ::ffff:192.168.1.1
[Wed Jun 11 2014 23:21:31 GMT+0000 (UTC)] <Listener/2> Received data: {"command":"subscribe","data":["PHID-USER-cb5af6p4oepy5tlgqypi"]}
[Wed Jun 11 2014 23:21:31 GMT+0000 (UTC)] <Listener/2> Subscribed to: ["PHID-USER-cb5af6p4oepy5tlgqypi"]
[Wed Jun 11 2014 23:21:39 GMT+0000 (UTC)] <Listener/2> Received data: {"command":"subscribe","data":["PHID-TASK-l2dtbs5xrt2b7abgh5a6"]}
[Wed Jun 11 2014 23:21:39 GMT+0000 (UTC)] <Listener/2> Subscribed to: ["PHID-TASK-l2dtbs5xrt2b7abgh5a6"]
[Wed Jun 11 2014 23:21:57 GMT+0000 (UTC)] <Listener/2> Received data: {"command":"unsubscribe","data":["PHID-TASK-l2dtbs5xrt2b7abgh5a6"]}
[Wed Jun 11 2014 23:21:57 GMT+0000 (UTC)] <Listener/2> Unsubscribed from: ["PHID-TASK-l2dtbs5xrt2b7abgh5a6"]
```

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T5284

Differential Revision: https://secure.phabricator.com/D9492
2014-06-11 20:02:01 -07:00