mirror of https://github.com/ethereum/go-ethereum
commit
ad8e92e9c6
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
@ -1,114 +0,0 @@ |
||||
/* |
||||
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 autoprovider.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 |
||||
*/ |
||||
|
||||
var web3 = require('./web3'); // jshint ignore:line
|
||||
if (process.env.NODE_ENV !== 'build') { |
||||
var WebSocket = require('ws'); // jshint ignore:line
|
||||
} |
||||
|
||||
/** |
||||
* AutoProvider object prototype is implementing 'provider protocol' |
||||
* Automatically tries to setup correct provider(Qt, WebSockets or HttpRpc) |
||||
* First it checkes if we are ethereum browser (if navigator.qt object is available) |
||||
* if yes, we are using QtProvider |
||||
* if no, we check if it is possible to establish websockets connection with ethereum (ws://localhost:40404/eth is default)
|
||||
* if it's not possible, we are using httprpc provider (http://localhost:8080)
|
||||
* The constructor allows you to specify uris on which we are trying to connect over http or websockets |
||||
* You can do that by passing objects with fields httrpc and websockets |
||||
*/ |
||||
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); |
||||
} else { |
||||
self.provider = new web3.providers.HttpRpcProvider(options.httprpc); |
||||
self.poll = self.provider.poll.bind(self.provider); |
||||
} |
||||
self.sendQueue.forEach(function (payload) { |
||||
self.provider.send(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); |
||||
}; |
||||
}; |
||||
|
||||
/// Sends message forward to the provider, that is being used
|
||||
/// if provider is not yet set, enqueues the message
|
||||
AutoProvider.prototype.send = function (payload) { |
||||
if (this.provider) { |
||||
this.provider.send(payload); |
||||
return; |
||||
} |
||||
this.sendQueue.push(payload); |
||||
}; |
||||
|
||||
/// On incoming message sends the message to the provider that is currently being used
|
||||
Object.defineProperty(AutoProvider.prototype, 'onmessage', { |
||||
set: function (handler) { |
||||
if (this.provider) { |
||||
this.provider.onmessage = handler; |
||||
return; |
||||
} |
||||
this.onmessageQueue.push(handler); |
||||
} |
||||
}); |
||||
|
||||
module.exports = AutoProvider; |
@ -1,126 +0,0 @@ |
||||
/* |
||||
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 httprpc.js |
||||
* @authors: |
||||
* Marek Kotewicz <marek@ethdev.com> |
||||
* Marian Oancea <marian@ethdev.com> |
||||
* @date 2014 |
||||
*/ |
||||
|
||||
// TODO: is these line is supposed to be here?
|
||||
if (process.env.NODE_ENV !== 'build') { |
||||
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
|
||||
} |
||||
|
||||
/** |
||||
* HttpRpcProvider object prototype is implementing 'provider protocol' |
||||
* Should be used when we want to connect to ethereum backend over http && jsonrpc |
||||
* It's compatible with cpp client |
||||
* The contructor allows to specify host uri |
||||
* This provider is using in-browser polling mechanism |
||||
*/ |
||||
var HttpRpcProvider = function (host) { |
||||
this.handlers = []; |
||||
this.host = host; |
||||
}; |
||||
|
||||
/// Transforms inner message to proper jsonrpc object
|
||||
/// @param inner message object
|
||||
/// @returns jsonrpc object
|
||||
function formatJsonRpcObject(object) { |
||||
return { |
||||
jsonrpc: '2.0', |
||||
method: object.call, |
||||
params: object.args, |
||||
id: object._id |
||||
}; |
||||
} |
||||
|
||||
/// Transforms jsonrpc object to inner message
|
||||
/// @param incoming jsonrpc message
|
||||
/// @returns inner message object
|
||||
function formatJsonRpcMessage(message) { |
||||
var object = JSON.parse(message); |
||||
|
||||
return { |
||||
_id: object.id, |
||||
data: object.result, |
||||
error: object.error |
||||
}; |
||||
} |
||||
|
||||
/// Prototype object method
|
||||
/// Asynchronously sends request to server
|
||||
/// @param payload is inner message object
|
||||
/// @param cb is callback which is being called when response is comes back
|
||||
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); |
||||
} |
||||
}; |
||||
}; |
||||
|
||||
/// Prototype object method
|
||||
/// Should be called when we want to send single api request to server
|
||||
/// Asynchronous
|
||||
/// On response it passes message to handlers
|
||||
/// @param payload is inner message object
|
||||
HttpRpcProvider.prototype.send = function (payload) { |
||||
var self = this; |
||||
this.sendRequest(payload, function (request) { |
||||
self.handlers.forEach(function (handler) { |
||||
handler.call(self, formatJsonRpcMessage(request.responseText)); |
||||
}); |
||||
}); |
||||
}; |
||||
|
||||
/// Prototype object method
|
||||
/// Should be called only for polling requests
|
||||
/// Asynchronous
|
||||
/// On response it passege message to handlers, but only if message's result is true or not empty array
|
||||
/// Otherwise response is being silently ignored
|
||||
/// @param payload is inner message object
|
||||
/// @id is id of poll that we are calling
|
||||
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}); |
||||
}); |
||||
}); |
||||
}; |
||||
|
||||
/// Prototype object property
|
||||
/// Should be used to set message handlers for this provider
|
||||
Object.defineProperty(HttpRpcProvider.prototype, "onmessage", { |
||||
set: function (handler) { |
||||
this.handlers.push(handler); |
||||
} |
||||
}); |
||||
|
||||
module.exports = HttpRpcProvider; |
||||
|
@ -0,0 +1,66 @@ |
||||
/* |
||||
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 httpsync.js |
||||
* @authors: |
||||
* Marek Kotewicz <marek@ethdev.com> |
||||
* Marian Oancea <marian@ethdev.com> |
||||
* @date 2014 |
||||
*/ |
||||
|
||||
var HttpSyncProvider = function (host) { |
||||
this.handlers = []; |
||||
this.host = host || 'http://localhost:8080'; |
||||
}; |
||||
|
||||
/// Transforms inner message to proper jsonrpc object
|
||||
/// @param inner message object
|
||||
/// @returns jsonrpc object
|
||||
function formatJsonRpcObject(object) { |
||||
return { |
||||
jsonrpc: '2.0', |
||||
method: object.call, |
||||
params: object.args, |
||||
id: object._id |
||||
}; |
||||
} |
||||
|
||||
/// Transforms jsonrpc object to inner message
|
||||
/// @param incoming jsonrpc message
|
||||
/// @returns inner message object
|
||||
function formatJsonRpcMessage(message) { |
||||
var object = JSON.parse(message); |
||||
|
||||
return { |
||||
_id: object.id, |
||||
data: object.result, |
||||
error: object.error |
||||
}; |
||||
} |
||||
|
||||
HttpSyncProvider.prototype.send = function (payload) { |
||||
var data = formatJsonRpcObject(payload); |
||||
|
||||
var request = new XMLHttpRequest(); |
||||
request.open('POST', this.host, false); |
||||
request.send(JSON.stringify(data)); |
||||
|
||||
// check request.status
|
||||
return request.responseText; |
||||
}; |
||||
|
||||
module.exports = HttpSyncProvider; |
||||
|
@ -1,57 +0,0 @@ |
||||
/* |
||||
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 qt.js |
||||
* @authors: |
||||
* Jeffrey Wilcke <jeff@ethdev.com> |
||||
* Marek Kotewicz <marek@ethdev.com> |
||||
* @date 2014 |
||||
*/ |
||||
|
||||
/** |
||||
* QtProvider object prototype is implementing 'provider protocol' |
||||
* Should be used inside ethereum browser. It's compatible with cpp and go clients. |
||||
* It uses navigator.qt object to pass the messages to native bindings |
||||
*/ |
||||
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)); |
||||
}); |
||||
}; |
||||
}; |
||||
|
||||
/// Prototype object method
|
||||
/// Should be called when we want to send single api request to native bindings
|
||||
/// Asynchronous
|
||||
/// Response will be received by navigator.qt.onmessage method and passed to handlers
|
||||
/// @param payload is inner message object
|
||||
QtProvider.prototype.send = function(payload) { |
||||
navigator.qt.postMessage(JSON.stringify(payload)); |
||||
}; |
||||
|
||||
/// Prototype object property
|
||||
/// Should be used to set message handlers for this provider
|
||||
Object.defineProperty(QtProvider.prototype, "onmessage", { |
||||
set: function(handler) { |
||||
this.handlers.push(handler); |
||||
} |
||||
}); |
||||
|
||||
module.exports = QtProvider; |
@ -1,98 +0,0 @@ |
||||
/* |
||||
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: |
||||
* Jeffrey Wilcke <jeff@ethdev.com> |
||||
* Marek Kotewicz <marek@ethdev.com> |
||||
* Marian Oancea <marian@ethdev.com> |
||||
* @date 2014 |
||||
*/ |
||||
|
||||
// TODO: is these line is supposed to be here?
|
||||
if (process.env.NODE_ENV !== 'build') { |
||||
var WebSocket = require('ws'); // jshint ignore:line
|
||||
} |
||||
|
||||
/** |
||||
* WebSocketProvider object prototype is implementing 'provider protocol' |
||||
* Should be used when we want to connect to ethereum backend over websockets |
||||
* It's compatible with go client |
||||
* The constructor allows to specify host uri |
||||
*/ |
||||
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); |
||||
|
||||
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]); |
||||
} |
||||
}; |
||||
}; |
||||
|
||||
/// Prototype object method
|
||||
/// Should be called when we want to send single api request to server
|
||||
/// Asynchronous, it's using websockets
|
||||
/// Response for the call will be received by ws.onmessage
|
||||
/// @param payload is inner message object
|
||||
WebSocketProvider.prototype.send = function(payload) { |
||||
if (this.ready) { |
||||
var data = JSON.stringify(payload); |
||||
|
||||
this.ws.send(data); |
||||
} else { |
||||
this.queued.push(payload); |
||||
} |
||||
}; |
||||
|
||||
/// Prototype object method
|
||||
/// Should be called to add handlers
|
||||
WebSocketProvider.prototype.onMessage = function(handler) { |
||||
this.handlers.push(handler); |
||||
}; |
||||
|
||||
/// Prototype object method
|
||||
/// Should be called to close websockets connection
|
||||
WebSocketProvider.prototype.unload = function() { |
||||
this.ws.close(); |
||||
}; |
||||
|
||||
/// Prototype object property
|
||||
/// Should be used to set message handlers for this provider
|
||||
Object.defineProperty(WebSocketProvider.prototype, "onmessage", { |
||||
set: function(provider) { this.onMessage(provider); } |
||||
}); |
||||
|
||||
if (typeof(module) !== "undefined") |
||||
module.exports = WebSocketProvider; |
Loading…
Reference in new issue