mirror of
https://github.com/servo/servo.git
synced 2025-08-06 14:10:11 +01:00
Dump initial prototype of devtools server into the build. Expect lies if you try to use it for anything real.
This commit is contained in:
parent
5e5f77a354
commit
f0f7e98dfa
19 changed files with 670 additions and 4 deletions
12
components/devtools/Cargo.toml
Normal file
12
components/devtools/Cargo.toml
Normal file
|
@ -0,0 +1,12 @@
|
|||
[package]
|
||||
name = "devtools"
|
||||
version = "0.0.1"
|
||||
authors = ["The Servo Project Developers"]
|
||||
|
||||
[lib]
|
||||
name = "devtools"
|
||||
path = "lib.rs"
|
||||
crate-type = ["dylib"]
|
||||
|
||||
[dependencies.devtools_traits]
|
||||
path = "../devtools_traits"
|
519
components/devtools/lib.rs
Normal file
519
components/devtools/lib.rs
Normal file
|
@ -0,0 +1,519 @@
|
|||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#![crate_name = "devtools"]
|
||||
#![crate_type = "rlib"]
|
||||
|
||||
#![comment = "The Servo Parallel Browser Project"]
|
||||
#![license = "MPL"]
|
||||
|
||||
#![feature(phase)]
|
||||
|
||||
#![feature(phase)]
|
||||
#[phase(plugin, link)]
|
||||
extern crate log;
|
||||
|
||||
extern crate collections;
|
||||
extern crate core;
|
||||
extern crate devtools_traits;
|
||||
extern crate debug;
|
||||
extern crate std;
|
||||
extern crate serialize;
|
||||
extern crate sync;
|
||||
|
||||
use devtools_traits::{ServerExitMsg, DevtoolsControlMsg, NewGlobal};
|
||||
|
||||
use collections::TreeMap;
|
||||
use std::any::{Any, AnyRefExt};
|
||||
use std::collections::hashmap::HashMap;
|
||||
use std::comm;
|
||||
use std::comm::{Disconnected, Empty};
|
||||
use std::io::{TcpListener, TcpStream};
|
||||
use std::io::{Acceptor, Listener, EndOfFile, IoError, TimedOut};
|
||||
use std::num;
|
||||
use std::task::TaskBuilder;
|
||||
use serialize::{json, Encodable};
|
||||
use sync::{Arc, Mutex};
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct ActorTraits {
|
||||
sources: bool
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct RootActorMsg {
|
||||
from: String,
|
||||
applicationType: String,
|
||||
traits: ActorTraits,
|
||||
}
|
||||
|
||||
struct RootActor {
|
||||
tabs: Vec<String>,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct ErrorReply {
|
||||
from: String,
|
||||
error: String,
|
||||
message: String,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct TabActorMsg {
|
||||
actor: String,
|
||||
title: String,
|
||||
url: String,
|
||||
outerWindowID: uint,
|
||||
consoleActor: String,
|
||||
}
|
||||
|
||||
struct TabActor {
|
||||
name: String,
|
||||
title: String,
|
||||
url: String,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct ListTabsReply {
|
||||
from: String,
|
||||
selected: uint,
|
||||
tabs: Vec<TabActorMsg>,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct TabTraits {
|
||||
reconfigure: bool,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct TabAttachedReply {
|
||||
from: String,
|
||||
__type__: String,
|
||||
threadActor: String,
|
||||
cacheEnabled: bool,
|
||||
javascriptEnabled: bool,
|
||||
traits: TabTraits,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct TabDetachedReply {
|
||||
from: String,
|
||||
__type__: String,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct StartedListenersReply {
|
||||
from: String,
|
||||
nativeConsoleAPI: bool,
|
||||
startedListeners: Vec<String>,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct ConsoleAPIMessage {
|
||||
_type: String,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct PageErrorMessage {
|
||||
_type: String,
|
||||
errorMessage: String,
|
||||
sourceName: String,
|
||||
lineText: String,
|
||||
lineNumber: uint,
|
||||
columnNumber: uint,
|
||||
category: String,
|
||||
timeStamp: uint,
|
||||
warning: bool,
|
||||
error: bool,
|
||||
exception: bool,
|
||||
strict: bool,
|
||||
private: bool,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct LogMessage {
|
||||
_type: String,
|
||||
timeStamp: uint,
|
||||
message: String,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
enum ConsoleMessageType {
|
||||
ConsoleAPIType(ConsoleAPIMessage),
|
||||
PageErrorType(PageErrorMessage),
|
||||
LogMessageType(LogMessage),
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct GetCachedMessagesReply {
|
||||
from: String,
|
||||
messages: Vec<json::Object>,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct StopListenersReply {
|
||||
from: String,
|
||||
stoppedListeners: Vec<String>,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct AutocompleteReply {
|
||||
from: String,
|
||||
matches: Vec<String>,
|
||||
matchProp: String,
|
||||
}
|
||||
|
||||
#[deriving(Encodable)]
|
||||
struct EvaluateJSReply {
|
||||
from: String,
|
||||
input: String,
|
||||
result: json::Json,
|
||||
timestamp: uint,
|
||||
exception: json::Json,
|
||||
exceptionMessage: String,
|
||||
helperResult: json::Json,
|
||||
}
|
||||
|
||||
struct ActorRegistry {
|
||||
actors: HashMap<String, Box<Actor+Send+Sized>>,
|
||||
}
|
||||
|
||||
impl ActorRegistry {
|
||||
fn new() -> ActorRegistry {
|
||||
ActorRegistry {
|
||||
actors: HashMap::new(),
|
||||
}
|
||||
}
|
||||
|
||||
fn register(&mut self, actor: Box<Actor+Send+Sized>) {
|
||||
self.actors.insert(actor.name().to_string(), actor);
|
||||
}
|
||||
|
||||
fn find<'a, T: 'static>(&'a self, name: &str) -> &'a T {
|
||||
let actor: &Actor+Send+Sized = *self.actors.find(&name.to_string()).unwrap();
|
||||
(actor as &Any).downcast_ref::<T>().unwrap()
|
||||
}
|
||||
|
||||
fn handle_message(&self, msg: &json::Object, stream: &mut TcpStream) {
|
||||
let to = msg.find(&"to".to_string()).unwrap().as_string().unwrap();
|
||||
match self.actors.find(&to.to_string()) {
|
||||
None => println!("message received for unknown actor \"{:s}\"", to),
|
||||
Some(actor) => {
|
||||
let msg_type = msg.find(&"type".to_string()).unwrap()
|
||||
.as_string().unwrap();
|
||||
if !actor.handle_message(self, &msg_type.to_string(), msg, stream) {
|
||||
println!("unexpected message type \"{:s}\" found for actor \"{:s}\"",
|
||||
msg_type, to);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
trait Actor: Any {
|
||||
fn handle_message(&self,
|
||||
registry: &ActorRegistry,
|
||||
msg_type: &String,
|
||||
msg: &json::Object,
|
||||
stream: &mut TcpStream) -> bool;
|
||||
fn name(&self) -> String;
|
||||
}
|
||||
|
||||
impl Actor for RootActor {
|
||||
fn name(&self) -> String {
|
||||
"root".to_string()
|
||||
}
|
||||
|
||||
fn handle_message(&self,
|
||||
registry: &ActorRegistry,
|
||||
msg_type: &String,
|
||||
_msg: &json::Object,
|
||||
stream: &mut TcpStream) -> bool {
|
||||
match msg_type.as_slice() {
|
||||
"listAddons" => {
|
||||
let actor = ErrorReply {
|
||||
from: "root".to_string(),
|
||||
error: "noAddons".to_string(),
|
||||
message: "This root actor has no browser addons.".to_string(),
|
||||
};
|
||||
stream.write_json_packet(&actor);
|
||||
true
|
||||
}
|
||||
"listTabs" => {
|
||||
let actor = ListTabsReply {
|
||||
from: "root".to_string(),
|
||||
selected: 0,
|
||||
tabs: self.tabs.iter().map(|tab| {
|
||||
registry.find::<TabActor>(tab.as_slice()).encodable()
|
||||
}).collect()
|
||||
};
|
||||
stream.write_json_packet(&actor);
|
||||
true
|
||||
}
|
||||
_ => false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl RootActor {
|
||||
fn encodable(&self) -> RootActorMsg {
|
||||
RootActorMsg {
|
||||
from: "root".to_string(),
|
||||
applicationType: "browser".to_string(),
|
||||
traits: ActorTraits {
|
||||
sources: true,
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Actor for TabActor {
|
||||
fn name(&self) -> String {
|
||||
self.name.clone()
|
||||
}
|
||||
|
||||
fn handle_message(&self,
|
||||
_registry: &ActorRegistry,
|
||||
msg_type: &String,
|
||||
msg: &json::Object,
|
||||
stream: &mut TcpStream) -> bool {
|
||||
match msg_type.as_slice() {
|
||||
"attach" => {
|
||||
let msg = TabAttachedReply {
|
||||
from: self.name(),
|
||||
__type__: "tabAttached".to_string(),
|
||||
threadActor: self.name(),
|
||||
cacheEnabled: false,
|
||||
javascriptEnabled: true,
|
||||
traits: TabTraits {
|
||||
reconfigure: true,
|
||||
},
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
"detach" => {
|
||||
let msg = TabDetachedReply {
|
||||
from: self.name(),
|
||||
__type__: "detached".to_string(),
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
"startListeners" => {
|
||||
let msg = StartedListenersReply {
|
||||
from: self.name(),
|
||||
nativeConsoleAPI: true,
|
||||
startedListeners:
|
||||
vec!("PageError".to_string(), "ConsoleAPI".to_string()),
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
"getCachedMessages" => {
|
||||
let types = msg.find(&"messageTypes".to_string()).unwrap().as_list().unwrap();
|
||||
let mut messages = vec!();
|
||||
for msg_type in types.iter() {
|
||||
let msg_type = msg_type.as_string().unwrap();
|
||||
match msg_type.as_slice() {
|
||||
"ConsoleAPI" => {
|
||||
//XXX need more info about consoleapi properties
|
||||
}
|
||||
"PageError" => {
|
||||
let message = PageErrorMessage {
|
||||
_type: msg_type.to_string(),
|
||||
sourceName: "".to_string(),
|
||||
lineText: "".to_string(),
|
||||
lineNumber: 0,
|
||||
columnNumber: 0,
|
||||
category: "".to_string(),
|
||||
warning: false,
|
||||
error: true,
|
||||
exception: false,
|
||||
strict: false,
|
||||
private: false,
|
||||
timeStamp: 0,
|
||||
errorMessage: "page error test".to_string(),
|
||||
};
|
||||
messages.push(json::from_str(json::encode(&message).as_slice()).unwrap().as_object().unwrap().clone());
|
||||
}
|
||||
"LogMessage" => {
|
||||
let message = LogMessage {
|
||||
_type: msg_type.to_string(),
|
||||
timeStamp: 0,
|
||||
message: "log message test".to_string(),
|
||||
};
|
||||
messages.push(json::from_str(json::encode(&message).as_slice()).unwrap().as_object().unwrap().clone());
|
||||
}
|
||||
s => println!("unrecognized message type requested: \"{:s}\"", s),
|
||||
}
|
||||
}
|
||||
let msg = GetCachedMessagesReply {
|
||||
from: self.name(),
|
||||
messages: messages,
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
"stopListeners" => {
|
||||
let msg = StopListenersReply {
|
||||
from: self.name(),
|
||||
stoppedListeners: msg.find(&"listeners".to_string())
|
||||
.unwrap()
|
||||
.as_list()
|
||||
.unwrap_or(&vec!())
|
||||
.iter()
|
||||
.map(|listener| listener.as_string().unwrap().to_string())
|
||||
.collect(),
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
"autocomplete" => {
|
||||
let msg = AutocompleteReply {
|
||||
from: self.name(),
|
||||
matches: vec!(),
|
||||
matchProp: "".to_string(),
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
"evaluateJS" => {
|
||||
let msg = EvaluateJSReply {
|
||||
from: self.name(),
|
||||
input: msg.find(&"text".to_string()).unwrap().as_string().unwrap().to_string(),
|
||||
result: json::Object(TreeMap::new()),
|
||||
timestamp: 0,
|
||||
exception: json::Object(TreeMap::new()),
|
||||
exceptionMessage: "".to_string(),
|
||||
helperResult: json::Object(TreeMap::new()),
|
||||
};
|
||||
stream.write_json_packet(&msg);
|
||||
true
|
||||
}
|
||||
_ => false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl TabActor {
|
||||
fn encodable(&self) -> TabActorMsg {
|
||||
TabActorMsg {
|
||||
actor: self.name(),
|
||||
title: self.title.clone(),
|
||||
url: self.url.clone(),
|
||||
outerWindowID: 0,
|
||||
consoleActor: self.name(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
trait JsonPacketSender {
|
||||
fn write_json_packet<'a, T: Encodable<json::Encoder<'a>,IoError>>(&mut self, obj: &T);
|
||||
}
|
||||
|
||||
impl JsonPacketSender for TcpStream {
|
||||
fn write_json_packet<'a, T: Encodable<json::Encoder<'a>,IoError>>(&mut self, obj: &T) {
|
||||
let s = json::encode(obj).replace("__type__", "type");
|
||||
println!("<- {:s}", s);
|
||||
self.write_str(s.len().to_string().as_slice()).unwrap();
|
||||
self.write_u8(':' as u8).unwrap();
|
||||
self.write_str(s.as_slice()).unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
pub fn start_server() -> Sender<DevtoolsControlMsg> {
|
||||
let (chan, port) = comm::channel();
|
||||
TaskBuilder::new().named("devtools").spawn(proc() {
|
||||
run_server(port)
|
||||
});
|
||||
chan
|
||||
}
|
||||
|
||||
static POLL_TIMEOUT: u64 = 300;
|
||||
|
||||
fn run_server(port: Receiver<DevtoolsControlMsg>) {
|
||||
let listener = TcpListener::bind("127.0.0.1", 6000);
|
||||
|
||||
// bind the listener to the specified address
|
||||
let mut acceptor = listener.listen().unwrap();
|
||||
acceptor.set_timeout(Some(POLL_TIMEOUT));
|
||||
|
||||
let mut registry = ActorRegistry::new();
|
||||
|
||||
let tab = box TabActor {
|
||||
name: "tab1".to_string(),
|
||||
title: "Performing Layout".to_string(),
|
||||
url: "about-mozilla.html".to_string(),
|
||||
};
|
||||
|
||||
let root = box RootActor {
|
||||
tabs: vec!(tab.name().to_string()),
|
||||
};
|
||||
|
||||
registry.register(tab);
|
||||
registry.register(root);
|
||||
|
||||
let actors = Arc::new(Mutex::new(registry));
|
||||
|
||||
fn handle_client(actors: Arc<Mutex<ActorRegistry>>, mut stream: TcpStream) {
|
||||
println!("connection established to {:?}", stream.peer_name().unwrap());
|
||||
|
||||
{
|
||||
let mut actors = actors.lock();
|
||||
let msg = actors.find::<RootActor>("root").encodable();
|
||||
stream.write_json_packet(&msg);
|
||||
}
|
||||
|
||||
'outer: loop {
|
||||
let mut buffer = vec!();
|
||||
loop {
|
||||
let colon = ':' as u8;
|
||||
match stream.read_byte() {
|
||||
Ok(c) if c != colon => buffer.push(c as u8),
|
||||
Ok(_) => {
|
||||
let packet_len_str = String::from_utf8(buffer).unwrap();
|
||||
let packet_len = num::from_str_radix(packet_len_str.as_slice(), 10).unwrap();
|
||||
let packet_buf = stream.read_exact(packet_len).unwrap();
|
||||
let packet = String::from_utf8(packet_buf).unwrap();
|
||||
println!("{:s}", packet);
|
||||
let json_packet = json::from_str(packet.as_slice()).unwrap();
|
||||
actors.lock().handle_message(json_packet.as_object().unwrap(),
|
||||
&mut stream);
|
||||
break;
|
||||
}
|
||||
Err(ref e) if e.kind == EndOfFile => {
|
||||
println!("\nEOF");
|
||||
break 'outer;
|
||||
},
|
||||
_ => {
|
||||
println!("\nconnection error");
|
||||
break 'outer;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// accept connections and process them, spawning a new tasks for each one
|
||||
for stream in acceptor.incoming() {
|
||||
match stream {
|
||||
Err(ref e) if e.kind == TimedOut => {
|
||||
match port.try_recv() {
|
||||
Ok(ServerExitMsg) | Err(Disconnected) => break,
|
||||
Ok(NewGlobal(_)) => { /*TODO*/ },
|
||||
Err(Empty) => acceptor.set_timeout(Some(POLL_TIMEOUT)),
|
||||
}
|
||||
}
|
||||
Err(_e) => { /* connection failed */ }
|
||||
Ok(stream) => {
|
||||
let actors = actors.clone();
|
||||
spawn(proc() {
|
||||
// connection succeeded
|
||||
handle_client(actors, stream.clone())
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue