sandboxos => tildefriends

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3157 ed5197a5-7fde-0310-b194-c3ffbd925b24

core/network.js

@@ -0,0 +1,102 @@
+"use strict";
+
+function Connection() {
+	this.socket = null;
+	this.buffer = null;
+	this.onReadCallback = null;
+	this.onErrorCallback = null;
+	this.tlsContext = null;
+	this._exported = null;
+	return this;
+}
+
+Connection.prototype.connect = function(host, port) {
+	let connection = this;
+	connection.close();
+	connection.socket = new Socket();
+	return connection.socket.connect(host, port).then(function() {
+		connection.buffer = "";
+		return Promise.all([
+			connection.socket.onError(function(error) {
+				if (connection.onErrorCallback) {
+					connection.onErrorCallback(error);
+				}
+				connection.close();
+			}),
+			connection.socket.read(function(data) {
+				if (connection.onReadCallback) {
+					connection.onReadCallback(data);
+				} else {
+					connection.buffer += data;
+				}
+			}),
+		]);
+	});
+};
+
+Connection.prototype.isConnected = function() {
+	return this.socket && this.socket.isConnected;
+};
+
+Connection.prototype.read = function(callback) {
+	this.onReadCallback = callback;
+	if (this.buffer) {
+		callback(this.buffer);
+	}
+	this.buffer = "";
+};
+
+Connection.prototype.onError = function(callback) {
+	this.onErrorCallback = callback;
+};
+
+Connection.prototype.write = function(data) {
+	return this.socket.write(data);
+};
+
+Connection.prototype.close = function() {
+	let socket = this.socket;
+	this.socket = null;
+	if (socket) {
+		return socket.close();
+	}
+};
+
+Connection.prototype.startTls = function() {
+	return this.socket.startTls(this.tlsContext);
+};
+
+Connection.prototype.getPeerCertificate = function() {
+	return this.socket.peerCertificate;
+};
+
+Connection.prototype.addTrustedCertificate = function(certificate) {
+	if (!this.tlsContext) {
+		this.tlsContext = new TlsContext();
+	}
+	return this.tlsContext.addTrustedCertificate(certificate);
+};
+
+Connection.prototype.exported = function() {
+	if (!this._exported) {
+		this._exported = {
+			isConnected: this.isConnected.bind(this),
+			connect: this.connect.bind(this),
+			startTls: this.startTls.bind(this),
+			write: this.write.bind(this),
+			read: this.read.bind(this),
+			onError: this.onError.bind(this),
+			close: this.close.bind(this),
+			getPeerCertificate: this.getPeerCertificate.bind(this),
+			addTrustedCertificate: this.addTrustedCertificate.bind(this),
+		};
+	}
+	return this._exported;
+};
+
+function newConnection() {
+	let process = this;
+	let connection = new Connection();
+	process.connections.push(connection);
+	return connection.exported();
+}