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regiostech 2016-04-28 21:19:09 -04:00
parent 14f7fa70bb
commit 28be7342b9
6 changed files with 532 additions and 0 deletions
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347
.idea/libraries/Dart_Packages.xml Normal file
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<component name="libraryTable">
<library name="Dart Packages" type="DartPackagesLibraryType">
<properties>
<option name="packageNameToDirsMap">
<entry key="analyzer">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib" />
</list>
</value>
</entry>
<entry key="angel_framework">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/angel_framework-0.0.0-dev.8/lib" />
</list>
</value>
</entry>
<entry key="args">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/args-0.13.4/lib" />
</list>
</value>
</entry>
<entry key="async">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/async-1.10.0/lib" />
</list>
</value>
</entry>
<entry key="barback">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/barback-0.15.2+7/lib" />
</list>
</value>
</entry>
<entry key="body_parser">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/body_parser-1.0.0-dev/lib" />
</list>
</value>
</entry>
<entry key="boolean_selector">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/boolean_selector-1.0.1/lib" />
</list>
</value>
</entry>
<entry key="charcode">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/charcode-1.1.0/lib" />
</list>
</value>
</entry>
<entry key="collection">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/collection-1.5.1/lib" />
</list>
</value>
</entry>
<entry key="convert">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/convert-1.1.0/lib" />
</list>
</value>
</entry>
<entry key="crypto">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/crypto-1.0.0/lib" />
</list>
</value>
</entry>
<entry key="csslib">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/csslib-0.13.1/lib" />
</list>
</value>
</entry>
<entry key="glob">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/glob-1.1.2/lib" />
</list>
</value>
</entry>
<entry key="html">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/html-0.12.2+2/lib" />
</list>
</value>
</entry>
<entry key="http">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/http-0.11.3+5/lib" />
</list>
</value>
</entry>
<entry key="http_multi_server">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/http_multi_server-2.0.1/lib" />
</list>
</value>
</entry>
<entry key="http_parser">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/http_parser-2.2.1/lib" />
</list>
</value>
</entry>
<entry key="json_god">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/json_god-1.0.0/lib" />
</list>
</value>
</entry>
<entry key="logging">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/logging-0.11.3/lib" />
</list>
</value>
</entry>
<entry key="matcher">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/matcher-0.12.0+2/lib" />
</list>
</value>
</entry>
<entry key="merge_map">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/merge_map-1.0.0/lib" />
</list>
</value>
</entry>
<entry key="mime">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/mime-0.9.3/lib" />
</list>
</value>
</entry>
<entry key="package_config">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/package_config-0.1.3/lib" />
</list>
</value>
</entry>
<entry key="path">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/path-1.3.9/lib" />
</list>
</value>
</entry>
<entry key="plugin">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/plugin-0.1.0/lib" />
</list>
</value>
</entry>
<entry key="pool">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/pool-1.2.3/lib" />
</list>
</value>
</entry>
<entry key="pub_semver">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/pub_semver-1.2.4/lib" />
</list>
</value>
</entry>
<entry key="shelf">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/shelf-0.6.5/lib" />
</list>
</value>
</entry>
<entry key="shelf_static">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/shelf_static-0.2.3+3/lib" />
</list>
</value>
</entry>
<entry key="shelf_web_socket">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.0/lib" />
</list>
</value>
</entry>
<entry key="source_map_stack_trace">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/source_map_stack_trace-1.0.4/lib" />
</list>
</value>
</entry>
<entry key="source_maps">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/source_maps-0.10.1+1/lib" />
</list>
</value>
</entry>
<entry key="source_span">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/source_span-1.2.2/lib" />
</list>
</value>
</entry>
<entry key="stack_trace">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/stack_trace-1.6.5/lib" />
</list>
</value>
</entry>
<entry key="stream_channel">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/stream_channel-1.3.1/lib" />
</list>
</value>
</entry>
<entry key="string_scanner">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/string_scanner-0.1.4+1/lib" />
</list>
</value>
</entry>
<entry key="test">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/test-0.12.13+1/lib" />
</list>
</value>
</entry>
<entry key="typed_data">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/typed_data-1.1.2/lib" />
</list>
</value>
</entry>
<entry key="utf">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/utf-0.9.0+3/lib" />
</list>
</value>
</entry>
<entry key="watcher">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/watcher-0.9.7/lib" />
</list>
</value>
</entry>
<entry key="web_socket_channel">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/web_socket_channel-1.0.2/lib" />
</list>
</value>
</entry>
<entry key="yaml">
<value>
<list>
<option value="$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/yaml-2.1.8/lib" />
</list>
</value>
</entry>
</option>
</properties>
<CLASSES>
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/analyzer-0.27.2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/angel_framework-0.0.0-dev.8/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/args-0.13.4/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/async-1.10.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/barback-0.15.2+7/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/body_parser-1.0.0-dev/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/boolean_selector-1.0.1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/charcode-1.1.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/collection-1.5.1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/convert-1.1.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/crypto-1.0.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/csslib-0.13.1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/glob-1.1.2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/html-0.12.2+2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/http-0.11.3+5/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/http_multi_server-2.0.1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/http_parser-2.2.1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/json_god-1.0.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/logging-0.11.3/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/matcher-0.12.0+2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/merge_map-1.0.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/mime-0.9.3/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/package_config-0.1.3/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/path-1.3.9/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/plugin-0.1.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/pool-1.2.3/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/pub_semver-1.2.4/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/shelf-0.6.5/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/shelf_static-0.2.3+3/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.0/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/source_map_stack_trace-1.0.4/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/source_maps-0.10.1+1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/source_span-1.2.2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/stack_trace-1.6.5/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/stream_channel-1.3.1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/string_scanner-0.1.4+1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/test-0.12.13+1/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/typed_data-1.1.2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/utf-0.9.0+3/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/watcher-0.9.7/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/web_socket_channel-1.0.2/lib" />
<root url="file://$USER_HOME$/AppData/Roaming/Pub/Cache/hosted/pub.dartlang.org/yaml-2.1.8/lib" />
</CLASSES>
<SOURCES />
</library>
</component>

6
.idea/vcs.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

30
lib/client.dart Normal file
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library angel_websocket.client;
import 'dart:convert' show JSON;
import 'dart:html';
import 'shared.dart';
class Angel {
String wsEndPoint;
WebSocket _socket;
Angel(String this.wsEndPoint) {
_socket = new WebSocket(wsEndPoint);
}
AngelService service(String path) {
return new AngelService._base(_socket, path.trim().replaceAll(new RegExp(r'(^\/+)|(\/+$)'), ''));
}
}
class AngelService {
WebSocket _socket;
String path;
AngelService._base(WebSocket this._socket, path) {}
index([Map params]) {
AngelMessage request = new AngelMessage(path, 'index', body: params);
_socket.send(JSON.encode(request.toMap()));
}
}

86
lib/server.dart Normal file
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///Exposes WebSocket functionality to Angel.
library angel_websocket.server;
import 'dart:io';
import 'package:angel_framework/angel_framework.dart';
import 'shared.dart';
_respond(AngelMessage message, Service service, Angel app) async {
if (message.method == 'index') {
return await service.index(message.body['query']);
}
else if (message.method == 'read') {
return await service.read(message.body['id'], message.body['query']);
}
else if (message.method == 'modify') {
return await service.modify(
message.body['id'], message.body['data'] ?? {}, message.body['query']);
}
else if (message.method == 'update') {
return await service.update(
message.body['id'], message.body['data'] ?? {}, message.body['query']);
}
else if (message.method == 'remove') {
return await service.remove(message.body['id'], message.body['query']);
}
else throw new AngelHttpException.NotImplemented(
message: "This service does not support a \"${message
.method}\" method.");
}
_handleMsg(WebSocket socket, Angel app) {
return (msg) async {
String text = msg.toString();
try {
AngelMessage incoming = new AngelMessage.fromMap(
app.god.serializeToMap(text));
try {
Service service = app.service(incoming.service);
if (service == null) {
throw new AngelHttpException.NotFound(
message: 'The requested service does not exist.');
}
// Now, let's respond. :)
var result = await _respond(incoming, service, app);
AngelMessage response = new AngelMessage(
incoming.service, incoming.method, body: {'result': result});
socket.add(app.god.serialize(response));
} catch (e) {
AngelHttpException err = (e is AngelHttpException)
? e
: new AngelHttpException(e);
AngelMessage response = new AngelMessage(
incoming.service, incoming.method, body: err.toMap());
socket.add(app.god.serialize(response));
}
} catch (e) {
// If we are sent invalid data, we're not even going to
// bother responding. :)
}
};
}
websocket({String endPoint: '/ws'}) {
return (Angel app) async {
app.get(endPoint, (RequestContext req, ResponseContext res) async {
if (WebSocketTransformer.isUpgradeRequest(req.underlyingRequest)) {
res
..end()
..willCloseItself = true;
WebSocket socket = await WebSocketTransformer.upgrade(
req.underlyingRequest);
socket.listen(_handleMsg(socket, app));
} else {
throw new AngelHttpException.BadRequest(
message: 'This endpoint is only available via WebSockets.');
}
});
};
}

53
lib/shared.dart Normal file
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library angel_websocket;
import 'dart:math';
String _randomString(int length) {
var rand = new Random();
var codeUnits = new List.generate(
length,
(index){
return rand.nextInt(33)+89;
}
);
return new String.fromCharCodes(codeUnits);
}
/// A WebSocket message sent from server to client, or vice-versa.
class AngelMessage {
String id;
String service;
String method;
Map body;
AngelMessage(String this.service, String this.method,
{Map this.body: const {}}) {
id = _randomString(32);
}
/// Parses a Map into an AngelMessage.
AngelMessage.fromMap(Map msg) {
bool invalid = !(msg['service'] is String) ||
(msg['service'] is String && msg['service'].isEmpty);
invalid = invalid || !(msg['method'] is String) ||
(msg['method'] is String && msg['method'].isEmpty);
if (invalid) {
throw new Exception("Invalid message supplied.");
} else {
this.id = _randomString(32);
this.service = msg['service'];
this.method = msg['method'];
this.body = msg['body'] ?? {};
}
}
Map toMap() {
return {
'id': id,
'service': service,
'method': method,
'body': body
};
}
}

10
pubspec.yaml Normal file
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name: angel_websocket
description: WebSocket plugin for Angel
version: 0.0.0-dev.0
author: thosakwe <thosakwe@gmail.com>
homepage: https://github.com/angel-dart/angel_websocket
dependencies:
angel_framework: ">=0.0.0-dev < 0.1.0"
dev_dependencies:
http: ">= 0.11.3 < 0.12.0"
test: ">= 0.12.13 < 0.13.0"