Experimental TCP Server node

main.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=9 format=2]
+[gd_scene load_steps=11 format=2]
 
 [ext_resource path="res://terminal.tscn" type="PackedScene" id=1]
 [ext_resource path="res://main.gd" type="Script" id=2]
@@ -7,6 +7,8 @@
 [ext_resource path="res://fonts/default.tres" type="DynamicFont" id=5]
 [ext_resource path="res://text_editor.gd" type="Script" id=6]
 [ext_resource path="res://fonts/big.tres" type="DynamicFont" id=7]
+[ext_resource path="res://tcp_server.gd" type="Script" id=8]
+[ext_resource path="res://test.gd" type="Script" id=9]
 
 [sub_resource type="StyleBoxFlat" id=1]
 bg_color = Color( 0.847059, 0.0666667, 0.0666667, 1 )
@@ -152,6 +154,25 @@ text = "Reload"
 __meta__ = {
 "_edit_use_anchors_": false
 }
+
+[node name="Test" type="Node2D" parent="."]
+visible = false
+script = ExtResource( 9 )
+
+[node name="TCPServer" type="Node" parent="Test"]
+script = ExtResource( 8 )
+port = 6666
+
+[node name="LineEdit" type="LineEdit" parent="Test"]
+margin_left = 1362.49
+margin_top = 827.517
+margin_right = 1772.49
+margin_bottom = 914.517
+__meta__ = {
+"_edit_use_anchors_": false
+}
 [connection signal="pressed" from="TextEditor/SaveButton" to="." method="save_message"]
 [connection signal="pressed" from="NextLevelButton" to="." method="load_next_level"]
 [connection signal="pressed" from="ReloadButton" to="." method="reload_level"]
+[connection signal="data_received" from="Test/TCPServer" to="Test" method="data"]
+[connection signal="text_entered" from="Test/LineEdit" to="Test" method="send"]

scripts/net-test

@@ -0,0 +1,23 @@
+#!/usr/bin/env perl
+
+use IO::Socket;
+
+$socket = IO::Socket::INET->new(PeerAddr => "127.0.0.1",
+                                PeerPort => 6666,
+                                Proto    => "tcp",
+                                Type     => SOCK_STREAM);
+
+$s = "Hey äöü!";
+
+$socket->send(chr(length($s)));
+$socket->send($s);
+
+while(true) {
+    my $len;
+    $socket->recv($len, 4);
+    my $actual_len = unpack("L", $len);
+    my $s2;
+    $socket->recv($s2, ord($len));
+    print($s2);
+    STDOUT->flush();
+}

shell.gd

@@ -79,13 +79,20 @@ func run_async_thread(command):
 	while not s.is_connection_available():
 		pass
 	var c = s.take_connection()
-	print("ok")
 	while c.get_status() == StreamPeerTCP.STATUS_CONNECTED:
-		var available = c.get_available_bytes()
+		read_from(c)
-		if available > 0:
+		OS.delay_msec(1000/30)
-			var data = c.get_utf8_string(available)
+	read_from(c)
-			emit_signal("output", data)
-			print(data)
 	c.disconnect_from_host()
 	s.stop()
 
+func read_from(c):
+	var total_available = c.get_available_bytes()
+	print(str(total_available)+" bytes available")
+	while total_available > 0:
+		var available = min(1024, total_available)
+		total_available -= available
+		print("reading "+str(available))
+		var data = c.get_utf8_string(available)
+		#emit_signal("output", data)
+		print(data.size())

tcp_server.gd

@@ -0,0 +1,39 @@
+extends Node
+
+signal data_received(string)
+
+export var port: int
+
+var _s = TCP_Server.new()
+var _c
+var _connected = false
+
+func _ready():
+	start()
+
+func start():
+	_s.listen(port)
+
+func _process(delta):
+	if _s.is_connection_available():
+		if _connected:
+			push_error("Dropping active connection")
+		_c = _s.take_connection()
+		_connected = true
+		print("connected!")
+	
+	if _connected:
+		if _c.get_status() != StreamPeerTCP.STATUS_CONNECTED:
+			_connected = false
+			print("disconnected")
+		var available = _c.get_available_bytes()
+		while available > 0:
+			var data = _c.get_utf8_string(available)
+			emit_signal("data_received", data)
+			available = _c.get_available_bytes()
+
+func send(text):
+	if _connected:
+		_c.put_utf8_string(text)
+	else:
+		push_error("Trying to send data on closed connection")

terminal.gd

@@ -60,8 +60,9 @@ func send_command(command):
 	thread.start(self, "run_command_in_a_thread", command)
 
 func send_command_async(command):
-	repo.shell.run_async(command)
+	output.text += "$ "+command+"\n"
 	input.text = ""
+	repo.shell.run_async(command)
 
 func run_command_in_a_thread(command):
 	var o = repo.shell.run(command)

test.gd

@@ -0,0 +1,12 @@
+extends Node
+
+func _ready():
+	pass
+
+func data(s):
+	print(s)
+
+
+func send(new_text):
+	print("sending "+new_text)
+	$TCPServer.send(new_text)