example/js

example/js/app.js

@@ -0,0 +1,87 @@
+server = require("./server")
+wire = require("./wire")
+util = require("util")
+
+function CounterApp(){
+	this.hashCount = 0;
+	this.txCount = 0;
+	this.commitCount = 0;
+};
+
+CounterApp.prototype.open = function(){
+	return new CounterAppContext(this);
+}
+
+function CounterAppContext(app) {
+	this.hashCount = app.hashCount;
+	this.txCount = app.txCount;
+	this.commitCount = app.commitCount;
+	this.serial = false;
+}
+
+CounterAppContext.prototype.echo = function(msg){
+	return {"response": msg, "ret_code":0}
+}
+
+CounterAppContext.prototype.info = function(){
+	return {"response": [util.format("hash, tx, commit counts: %d, %d, %d", this.hashCount, this.txCount, this.commitCount)]}
+}
+
+CounterAppContext.prototype.set_option = function(key, value){
+	if (key == "serial" && value == "on"){
+		this.serial = true;
+	}
+	return {"ret_code":0}
+}
+
+CounterAppContext.prototype.append_tx = function(txBytes){
+	if (this.serial) {
+		txByteArray = txBytes
+		if (txByte.length >= 2 && txBytes.slice(0, 2) == "0x") {
+			txByteArray = wire.hex2bytes(txBytes.slice(2));
+		}	
+		r = new wire.BytesReader(txByteArray)
+		txValue = decode_big_endian(r, txBytes.length)
+		if (txValue != this.txcount){
+			return {"ret_code":1}
+		}
+	}
+	this.txCount += 1;
+	return {"ret_code":0} // TODO: return events
+}
+
+CounterAppContext.prototype.get_hash = function(){
+	this.hashCount += 1;
+	if (this.txCount == 0){
+		return {"response": "", "ret_code":0}
+	}
+	h = wire.encode_big_endian(this.txCount, 8);
+	h = wire.reverse(h); // TODO
+	return {"response": h.toString(), "ret_code":0}
+}
+
+CounterAppContext.prototype.commit = function(){
+	this.commitCount += 1;
+	return {"ret_code":0}
+}
+
+CounterAppContext.prototype.rollback = function(){
+	return {"ret_code":0}
+}
+
+CounterAppContext.prototype.add_listener = function(){
+	return {"ret_code":0}
+}
+
+CounterAppContext.prototype.rm_listener = function(){
+	return {"ret_code":0}
+}
+
+CounterAppContext.prototype.event = function(){
+}
+
+console.log("Counter app in Javascript")
+
+var app = new CounterApp();
+var appServer = new server.AppServer(app);
+appServer.server.listen(46658)