WebInterface reference implementation

wi/network/servertalk_api.js

@@ -0,0 +1,90 @@
+const servertalk = require('./servertalk_client.js');
+const uuid = require('node-uuid');
+
+class ServertalkAPI
+{
+	Init(addr, port, ipv6, credentials) {
+		this.client = new servertalk.client();
+		this.client.Init(addr, port, ipv6, 'WebInterface', credentials);
+		this.pending_calls = {};
+		var self = this;
+		
+		this.client.on('connecting', function() {
+			console.log('Connecting...');
+		});
+		
+		this.client.on('connect', function(){
+			console.log('Connected');
+		});
+		
+		this.client.on('close', function(){
+			console.log('Closed');
+		});
+
+		this.client.on('error', function(err){
+		});
+
+		this.client.on('message', function(opcode, packet) {
+			var response = Buffer.from(packet).toString('utf8');
+			try {
+				var res = JSON.parse(response);
+				
+				if(res.id) {
+					if(self.pending_calls.hasOwnProperty(res.id)) {
+						var entry = self.pending_calls[res.id];
+						
+						if(res.error) {
+							var reject = entry[1];
+							reject(res.error);
+						} else {
+							var resolve = entry[0];
+							resolve(res.response);
+						}
+						
+						delete self.pending_calls[res.id];
+					}
+				}
+				
+			} catch(ex) {
+				console.log('Error processing response from server:\n', ex);
+			}
+		});
+	}
+	
+	Call(method, args, timeout) {
+		if(!timeout) {
+			timeout = 15000
+		}
+		
+		var self = this;
+		return new Promise(
+			function(resolve, reject) {
+				if(!self.client.Connected()) {
+					reject('Not connected to world server.');
+					return;
+				}
+				
+				var id = uuid.v4();
+				
+				self.pending_calls[id] = [resolve, reject];
+				
+				var c = { id: id, method: method, params: args };
+				self.client.Send(47, Buffer.from(JSON.stringify(c)));
+				
+				setTimeout(function() {
+					delete self.pending_calls[id];
+					reject('Request timed out after ' + timeout + 'ms');
+				}, timeout);
+			}
+		);
+	}
+	
+	Notify(method, args) {
+		var c = { method: method, params: args };
+		client.Send(47, Buffer.from(JSON.stringify(c)));
+	}
+}
+
+module.exports = {
+	'api': ServertalkAPI
+}