From 838ca2fd9393e5b3cd4423934de78f1b8f9fd13f Mon Sep 17 00:00:00 2001
From: Marek Kotewicz <marek.kotewicz@gmail.com>
Date: Tue, 11 Nov 2014 15:47:58 +0100
Subject: autoprovider, buildQt not builds only necessery files, fixed gulpfile
---
lib/autoprovider.js | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 103 insertions(+)
create mode 100644 lib/autoprovider.js
(limited to 'lib/autoprovider.js')
diff --git a/lib/autoprovider.js b/lib/autoprovider.js
new file mode 100644
index 000000000..b05d4190a
--- /dev/null
+++ b/lib/autoprovider.js
@@ -0,0 +1,103 @@
+/*
+ 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;
--
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