Commit d85cef55 authored by Marian OANCΞA's avatar Marian OANCΞA

Merge pull request #8 from debris/autoprovider

Autoprovider
parents dea68f07 838ca2fd
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......@@ -3,7 +3,7 @@
<head>
<script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.js"></script>
<script type="text/javascript">
if (window.Promise === undefined) {
......@@ -13,8 +13,9 @@ if (window.Promise === undefined) {
var web3 = require('web3');
//web3.setProvider(new web3.providers.QtProvider());
web3.setProvider(new web3.providers.HttpRpcProvider("http://localhost:8080"));
//web3.setProvider(new web3.providers.HttpRpcProvider("http://localhost:8080"));
// web3.setProvider(new web3.providers.WebSocketProvider("ws://localhost:40404/eth"));
web3.setProvider(new web3.providers.AutoProvider());
function testSnippet() {
web3.eth.watch({altered: web3.eth.coinbase}).changed(function() {
......
......@@ -25,8 +25,8 @@ var build = function(src, dst) {
detectGlobals: false,
bundleExternal: false
})
.add('./')
.require('./' + src + '.js', {expose: 'web3'})
.add('./' + src + '.js')
.transform('envify', {
NODE_ENV: 'build'
})
......@@ -50,6 +50,25 @@ var build = function(src, dst) {
.pipe(gulp.dest( DEST ));
};
var buildDev = function(src, dst) {
return browserify({
debug: true,
insert_global_vars: false,
detectGlobals: false,
bundleExternal: false
})
.require('./' + src + '.js', {expose: 'web3'})
.add('./' + src + '.js')
.transform('envify', {
NODE_ENV: 'build'
})
.transform('unreachable-branch-transform')
.bundle()
.pipe(exorcist(path.join( DEST, dst + '.js.map')))
.pipe(source(dst + '.js'))
.pipe(gulp.dest( DEST ));
};
var uglifyFile = function(file) {
return gulp.src( DEST + file + '.js')
.pipe(uglify())
......@@ -79,7 +98,11 @@ gulp.task('build', ['clean'], function () {
});
gulp.task('buildQt', ['clean'], function () {
return build('index_qt', 'ethereum_qt');
return build('index_qt', 'ethereum');
});
gulp.task('buildDev', ['clean'], function () {
return buildDev('index', 'ethereum');
});
gulp.task('uglify', ['build'], function(){
......@@ -87,7 +110,7 @@ gulp.task('uglify', ['build'], function(){
});
gulp.task('uglifyQt', ['buildQt'], function () {
return uglifyFile('ethereum_qt');
return uglifyFile('ethereum');
});
gulp.task('watch', function() {
......@@ -96,3 +119,5 @@ gulp.task('watch', function() {
gulp.task('default', ['bower', 'lint', 'build', 'uglify']);
gulp.task('qt', ['bower', 'lint', 'buildQt', 'uglifyQt']);
gulp.task('dev', ['bower', 'lint', 'buildDev']);
......@@ -2,5 +2,6 @@ var web3 = require('./lib/main');
web3.providers.WebSocketProvider = require('./lib/websocket');
web3.providers.HttpRpcProvider = require('./lib/httprpc');
web3.providers.QtProvider = require('./lib/qt');
web3.providers.AutoProvider = require('./lib/autoprovider');
module.exports = web3;
\ No newline at end of file
module.exports = web3;
/*
This file is part of ethereum.js.
ethereum.js is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ethereum.js is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file websocket.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* Marian Oancea <marian@ethdev.com>
* @date 2014
*/
/*
* @brief if qt object is available, uses QtProvider,
* if not tries to connect over websockets
* if it fails, it uses HttpRpcProvider
*/
if (process.env.NODE_ENV !== 'build') {
var WebSocket = require('ws'); // jshint ignore:line
}
if (process.env.NODE_ENV !== 'build') {
var web3 = require('./web3'); // jshint ignore:line
}
var AutoProvider = function (userOptions) {
if (web3.haveProvider()) {
return;
}
// before we determine what provider we are, we have to cache request
this.sendQueue = [];
this.onmessageQueue = [];
if (navigator.qt) {
this.provider = new web3.providers.QtProvider();
return;
}
userOptions = userOptions || {};
var options = {
httprpc: userOptions.httprpc || 'http://localhost:8080',
websockets: userOptions.websockets || 'ws://localhost:40404/eth'
};
var self = this;
var closeWithSuccess = function (success) {
ws.close();
if (success) {
self.provider = new web3.providers.WebSocketProvider(options.websockets);
return;
}
self.provider = new web3.providers.HttpRpcProvider(options.httprpc);
self.poll = self.provider.poll.bind(self.provider);
self.sendQueue.forEach(function (payload) {
self.provider(payload);
});
self.onmessageQueue.forEach(function (handler) {
self.provider.onmessage = handler;
});
};
var ws = new WebSocket(options.websockets);
ws.onopen = function() {
closeWithSuccess(true);
};
ws.onerror = function() {
closeWithSuccess(false);
};
};
AutoProvider.prototype.send = function (payload) {
if (this.provider) {
this.provider.send(payload);
return;
}
this.sendQueue.push(payload);
};
Object.defineProperty(AutoProvider.prototype, 'onmessage', {
set: function (handler) {
if (this.provider) {
this.provider.onmessage = handler;
return;
}
this.onmessageQueue.push(handler);
}
});
module.exports = AutoProvider;
......@@ -21,74 +21,73 @@
* @date 2014
*/
if(process.env.NODE_ENV !== "build") {
if (process.env.NODE_ENV !== "build") {
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
}
var HttpRpcProvider = function (host) {
this.handlers = [];
this.host = host;
};
var HttpRpcProvider = function (host) {
this.handlers = [];
this.host = host;
function formatJsonRpcObject(object) {
return {
jsonrpc: '2.0',
method: object.call,
params: object.args,
id: object._id
};
}
function formatJsonRpcObject(object) {
return {
jsonrpc: '2.0',
method: object.call,
params: object.args,
id: object._id
};
}
function formatJsonRpcMessage(message) {
var object = JSON.parse(message);
return {
_id: object.id,
data: object.result,
error: object.error
};
}
HttpRpcProvider.prototype.sendRequest = function (payload, cb) {
var data = formatJsonRpcObject(payload);
function formatJsonRpcMessage(message) {
var object = JSON.parse(message);
var request = new XMLHttpRequest();
request.open("POST", this.host, true);
request.send(JSON.stringify(data));
request.onreadystatechange = function () {
if (request.readyState === 4 && cb) {
cb(request);
}
};
return {
_id: object.id,
data: object.result,
error: object.error
};
}
HttpRpcProvider.prototype.send = function (payload) {
var self = this;
this.sendRequest(payload, function (request) {
self.handlers.forEach(function (handler) {
handler.call(self, formatJsonRpcMessage(request.responseText));
});
});
HttpRpcProvider.prototype.sendRequest = function (payload, cb) {
var data = formatJsonRpcObject(payload);
var request = new XMLHttpRequest();
request.open("POST", this.host, true);
request.send(JSON.stringify(data));
request.onreadystatechange = function () {
if (request.readyState === 4 && cb) {
cb(request);
}
};
};
HttpRpcProvider.prototype.poll = function (payload, id) {
var self = this;
this.sendRequest(payload, function (request) {
var parsed = JSON.parse(request.responseText);
if (parsed.error || (parsed.result instanceof Array ? parsed.result.length === 0 : !parsed.result)) {
return;
}
self.handlers.forEach(function (handler) {
handler.call(self, {_event: payload.call, _id: id, data: parsed.result});
});
HttpRpcProvider.prototype.send = function (payload) {
var self = this;
this.sendRequest(payload, function (request) {
self.handlers.forEach(function (handler) {
handler.call(self, formatJsonRpcMessage(request.responseText));
});
};
});
};
Object.defineProperty(HttpRpcProvider.prototype, "onmessage", {
set: function (handler) {
this.handlers.push(handler);
HttpRpcProvider.prototype.poll = function (payload, id) {
var self = this;
this.sendRequest(payload, function (request) {
var parsed = JSON.parse(request.responseText);
if (parsed.error || (parsed.result instanceof Array ? parsed.result.length === 0 : !parsed.result)) {
return;
}
self.handlers.forEach(function (handler) {
handler.call(self, {_event: payload.call, _id: id, data: parsed.result});
});
});
};
Object.defineProperty(HttpRpcProvider.prototype, "onmessage", {
set: function (handler) {
this.handlers.push(handler);
}
});
module.exports = HttpRpcProvider;
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......@@ -16,29 +16,30 @@
*/
/** @file qt.js
* @authors:
* Jeffrey Wilcke <jeff@ethdev.com>
* Marek Kotewicz <marek@ethdev.com>
* @date 2014
*/
var QtProvider = function() {
this.handlers = [];
var QtProvider = function() {
this.handlers = [];
var self = this;
navigator.qt.onmessage = function (message) {
self.handlers.forEach(function (handler) {
handler.call(self, JSON.parse(message.data));
});
};
var self = this;
navigator.qt.onmessage = function (message) {
self.handlers.forEach(function (handler) {
handler.call(self, JSON.parse(message.data));
});
};
};
QtProvider.prototype.send = function(payload) {
navigator.qt.postMessage(JSON.stringify(payload));
};
QtProvider.prototype.send = function(payload) {
navigator.qt.postMessage(JSON.stringify(payload));
};
Object.defineProperty(QtProvider.prototype, "onmessage", {
set: function(handler) {
this.handlers.push(handler);
}
});
Object.defineProperty(QtProvider.prototype, "onmessage", {
set: function(handler) {
this.handlers.push(handler);
}
});
module.exports = QtProvider;
......@@ -16,59 +16,61 @@
*/
/** @file websocket.js
* @authors:
* Jeffrey Wilcke <jeff@ethdev.com>
* Marek Kotewicz <marek@ethdev.com>
* Marian Oancea <marian@ethdev.com>
* @date 2014
*/
if(process.env.NODE_ENV !== "build") {
if (process.env.NODE_ENV !== "build") {
var WebSocket = require('ws'); // jshint ignore:line
}
var WebSocketProvider = function(host) {
// onmessage handlers
this.handlers = [];
// queue will be filled with messages if send is invoked before the ws is ready
this.queued = [];
this.ready = false;
var WebSocketProvider = function(host) {
// onmessage handlers
this.handlers = [];
// queue will be filled with messages if send is invoked before the ws is ready
this.queued = [];
this.ready = false;
this.ws = new WebSocket(host);
this.ws = new WebSocket(host);
var self = this;
this.ws.onmessage = function(event) {
for(var i = 0; i < self.handlers.length; i++) {
self.handlers[i].call(self, JSON.parse(event.data), event);
}
};
this.ws.onopen = function() {
self.ready = true;
for(var i = 0; i < self.queued.length; i++) {
// Resend
self.send(self.queued[i]);
}
};
var self = this;
this.ws.onmessage = function(event) {
for(var i = 0; i < self.handlers.length; i++) {
self.handlers[i].call(self, JSON.parse(event.data), event);
}
};
WebSocketProvider.prototype.send = function(payload) {
if(this.ready) {
var data = JSON.stringify(payload);
this.ws.send(data);
} else {
this.queued.push(payload);
this.ws.onopen = function() {
self.ready = true;
for(var i = 0; i < self.queued.length; i++) {
// Resend
self.send(self.queued[i]);
}
};
};
WebSocketProvider.prototype.onMessage = function(handler) {
this.handlers.push(handler);
};
WebSocketProvider.prototype.send = function(payload) {
if(this.ready) {
var data = JSON.stringify(payload);
WebSocketProvider.prototype.unload = function() {
this.ws.close();
};
Object.defineProperty(WebSocketProvider.prototype, "onmessage", {
set: function(provider) { this.onMessage(provider); }
});
this.ws.send(data);
} else {
this.queued.push(payload);
}
};
WebSocketProvider.prototype.onMessage = function(handler) {
this.handlers.push(handler);
};
WebSocketProvider.prototype.unload = function() {
this.ws.close();
};
Object.defineProperty(WebSocketProvider.prototype, "onmessage", {
set: function(provider) { this.onMessage(provider); }
});
module.exports = WebSocketProvider;
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