Client messages, which are always requests, are dispatched to Actor
instances one at a time via Actor::handle_message. Each request must be
paired with exactly one reply from the same actor the request was sent
to, where a reply is a message with no type (if a message from the
server has a type, it’s a notification, not a reply).
Failing to reply to a request will almost always permanently break that
actor, because either the client gets stuck waiting for a reply, or the
client receives the reply for a subsequent request as if it was the
reply for the current request. If an actor fails to reply to a request,
we want the dispatcher (ActorRegistry::handle_message) to send an error
of type `unrecognizedPacketType`, to keep the conversation for that
actor in sync. Since replies come in all shapes and sizes, we want to
allow Actor types to send replies without having to return them to the
dispatcher.
This patch adds a wrapper type around a client stream that guarantees
request/reply invariants. It allows the dispatcher to check if a valid
reply was sent, and guarantees that if the actor tries to send a reply,
it’s actually a valid reply (see ClientRequest::is_valid_reply). It does
not currently guarantee anything about messages sent via the TcpStream
released via ClientRequest::try_clone_stream or the return value of
ClientRequest::reply. We also send `unrecognizedPacketType`,
`missingParameter`, `badParameterType`, and `noSuchActor` messages per
the
[protocol](https://firefox-source-docs.mozilla.org/devtools/backend/protocol.html#error-packets)
[docs](https://firefox-source-docs.mozilla.org/devtools/backend/protocol.html#packets).
Testing: automated tests all pass, and manual testing looks ok
Fixes: #37683 and at least six bugs, plus one with a different root
cause, plus three with zero impact
---------
Signed-off-by: atbrakhi <atbrakhi@igalia.com>
Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: delan azabani <dazabani@igalia.com>
Co-authored-by: Simon Wülker <simon.wuelker@arcor.de>
Co-authored-by: the6p4c <me@doggirl.gay>
Added a `target_type` field so that Firefox 139 is happy with showing
the inspector. In the future, this should probably include other
`TARGET_TYPES` like watcher and process.
Testing: Manually tested the inspector in Firefox 139 (not sure if we
have automatic devtools tests now).
Fixes: #37242
Signed-off-by: eri <eri@inventati.org>
This patch improves the `resource_available` trait to handle multiple
connections. In this patch we also remove the redundant
`resource_available` from worker actor
Testing: Existing tests in DevTools already tests for this. We do not
need to add new test
Fixes: part of #36027
Signed-off-by: atbrakhi <atbrakhi@igalia.com>
Co-authored-by: Delan Azabani <dazabani@igalia.com>
These PR adds `resource_available` as a common shared util
- [x] ./mach build -d does not report any errors
- [x] ./mach test-tidy does not report any errors
- [x] These changes partially implement
https://github.com/servo/servo/issues/36027
---------
Signed-off-by: atbrakhi <atbrakhi@igalia.com>
This patch adds support for listing scripts in the Sources panel.
Classic scripts, both external and inline, are implemented, but worker
scripts and imported module scripts are not yet implemented.
For example:
```html
<!-- sources.html -->
<!doctype html><meta charset=utf-8>
<script src="classic.js"></script>
<script>
console.log("inline classic");
new Worker("worker.js");
</script>
<script type="module">
import module from "./module.js";
console.log("inline module");
</script>
<script src="https://servo.org/js/load-table.js"></script>
```
```js
// classic.js
console.log("external classic");
```
```js
// worker.js
console.log("external classic worker");
```
```js
// module.js
export default 1;
console.log("external module");
```
---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by
`[X]` when the step is complete, and replace `___` with appropriate
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes partially implement #36027
<!-- Either: -->
- [ ] There are tests for these changes OR
- [x] These changes require tests, but they are blocked on #36325
Signed-off-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: atbrakhi <atbrakhi@igalia.com>
Implements Steps 1,4&6 of https://github.com/servo/servo/issues/35867:
- Adds `pub simulate_color_scheme` to `BrowsingContextActor` using
`script_chan`.
- Processes `colorSchemeSimulation` flag in `TargetConfigurationActor`’s
`updateConfiguration`.
- Routes `colorSchemeSimulation` from `RootActor` via
`TabDescriptorActor` to `BrowsingContextActor`.
Testing: Compiles and lints clean.
Fixes: https://github.com/servo/servo/issues/35867
---------
Signed-off-by: Uthman Yahaya Baba <uthmanyahayababa@gmail.com>
Devtools clients need a `browserId`, `browsingContextID`, and
`outerWindowID`, which correspond to WebViewId, BrowsingContextId, and
PipelineId in Servo. These u32 values were previously derived from our
sharded (u32,u32) id values by taking only the `index` (second u32) and
ignoring the `namespace_id` (first u32), leading to collisions.
This patch fixes that by mapping those Servo ids to sequential u32
values.
---
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- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#35954
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- [ ] These changes do not require tests because ___
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---------
Signed-off-by: Delan Azabani <dazabani@igalia.com>
Previously, the devtools didn't know about
<iframe>s. They either ignored messages coming from
iframes or crashed.
This reverts https://github.com/servo/servo/pull/34032
and then filters out non-tab globals in the "listTabs"
message to the root actor.
Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
* Use 2024 style edition
Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
* Reformat all code
Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
---------
Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
* feat: retrieve applied styles
Signed-off-by: eri <eri@inventati.org>
* feat: preliminary style showing
Signed-off-by: eri <eri@inventati.org>
* chore: some style tests
Signed-off-by: eri <eri@inventati.org>
* feat: edit style rules
Signed-off-by: eri <eri@inventati.org>
* feat: css database
Signed-off-by: eri <eri@inventati.org>
* feat: computed styles
Signed-off-by: eri <eri@inventati.org>
* feat: inherited styles
Signed-off-by: eri <eri@inventati.org>
* feat: get stylesheet styles
Signed-off-by: eri <eri@inventati.org>
* feat: all styles in inspector
Signed-off-by: eri <eri@inventati.org>
* feat: multiple stylesheets
Signed-off-by: eri <eri@inventati.org>
* refactor: clean up
Signed-off-by: eri <eri@inventati.org>
* Some minor cleanup
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
---------
Signed-off-by: eri <eri@inventati.org>
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>
* feat: watch root node
Signed-off-by: eri <eri@inventati.org>
* reafactor: divide inspector in components
Signed-off-by: eri <eri@inventati.org>
* feat: add css properties actor
Signed-off-by: eri <eri@inventati.org>
* feat: accesibility actor
Signed-off-by: eri <eri@inventati.org>
* feat: layout actor
Signed-off-by: eri <eri@inventati.org>
* feat: network parent and refactor
Signed-off-by: eri <eri@inventati.org>
* feat: progress on the inspector messages
Signed-off-by: eri <eri@inventati.org>
* feat: more progress on inspector
Signed-off-by: eri <eri@inventati.org>
* feat: try to fix nodes showing
Signed-off-by: eri <eri@inventati.org>
* feat: initial dom tree
Signed-off-by: eri <eri@inventati.org>
* feat: some more messages
Signed-off-by: eri <eri@inventati.org>
* feat: clean and add documentation
Signed-off-by: eri <eri@inventati.org>
* refactor: add more docs and clean
Signed-off-by: eri <eri@inventati.org>
* fix: restore deleted node attributes field
Signed-off-by: eri <eri@inventati.org>
* Apply suggestions from code review
Fix a few nits in comments
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
---------
Signed-off-by: eri <eri@inventati.org>
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>
For a long time, `gfx_traits` has held a lot of things unrelated to graphics
and also unrelated to the `gfx` crate (which is mostly about fonts).
This is a cleanup which does a few things:
1. Move non `gfx` crate things out of `gfx_traits`. This is important in
order to prevent dependency cycles with a different integration between
layout, script, and fonts.
2. Rename the `msg` crate to `base`. It didn't really contain anything
to do with messages and instead mostly holds ids, which are used
across many different crates in Servo. This new crate will hold the
*rare* data types that are widely used.
Details:
- All BackgroundHangMonitor-related things from base to a new
`background_hang_monitor_api` crate.
- Moved `TraversalDirection` to `script_traits`
- Moved `Epoch`-related things from `gfx_traits` to `base`.
- Moved `PrintTree` to base. This should be widely useful in Servo.
- Moved `WebrenderApi` from `base` to `webrender_traits` and renamed it
to `WebRenderFontApi`.
Break the association between pipelines and browsing context actors.
Now there is one browsing context actor per actual browsing context,
and individual actors keep track of known pipelines as necessary.
There is also one console/performance/timeline/inspector/etc. actor
per browsing context.
This also centralizes more information in the browsing context actor.
Rather than duplicating state for the active pipeline in actors that
need to use it, each actor now remembers the name of its associated
browsing context actor and obtains that state whenever it's necessary.
DevTools - add ListWorkers method to BrowsingContextTargetActor
This is one of three pull requests that allows the DevTools Debugger to render.
The two related prs are #21942 and #21944
This pr introduces a `ListWorkers` method, which the debugger relies on for startup. At the moment, we are returning an empty array, but later on we can return an array populated by all workers associated with a target.
---
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As part of [Bug 1172987](https://bugzilla.mozilla.org/show_bug.cgi?id=1172897) we renamed TabActor, as the actor does not represent tabs (as in a browser tab), it instead represents a browsing context as defined by the the [HTML standard](https://html.spec.whatwg.org/multipage/browsers.html#windows). In a later PR I will mirror the structure we have on devtools to have a targets folder, which contains all target types. At the moment it looks like servo only represents workers and browsing contexts.
2018-09-23 22:16:53 +02:00
Renamed from components/devtools/actors/tab.rs (Browse further)
