117 lines
3.3 KiB
JavaScript
117 lines
3.3 KiB
JavaScript
var LibraryWebSockets = {
|
|
$webSocketInstances: [],
|
|
|
|
SocketCreate: function(url)
|
|
{
|
|
var str = Pointer_stringify(url);
|
|
var socket = {
|
|
socket: new WebSocket(str, ['GpBinaryV16']),
|
|
buffer: new Uint8Array(0),
|
|
error: null,
|
|
messages: []
|
|
}
|
|
socket.socket.binaryType = 'arraybuffer';
|
|
socket.socket.onmessage = function (e) {
|
|
// if (e.data instanceof Blob)
|
|
// {
|
|
// var reader = new FileReader();
|
|
// reader.addEventListener("loadend", function() {
|
|
// var array = new Uint8Array(reader.result);
|
|
// socket.messages.push(array);
|
|
// });
|
|
// reader.readAsArrayBuffer(e.data);
|
|
// }
|
|
if (e.data instanceof ArrayBuffer)
|
|
{
|
|
var array = new Uint8Array(e.data);
|
|
socket.messages.push(array);
|
|
}
|
|
};
|
|
socket.socket.onclose = function (e) {
|
|
if (e.code != 1000)
|
|
{
|
|
if (e.reason != null && e.reason.length > 0)
|
|
socket.error = e.reason;
|
|
else
|
|
{
|
|
switch (e.code)
|
|
{
|
|
case 1001:
|
|
socket.error = "Endpoint going away.";
|
|
break;
|
|
case 1002:
|
|
socket.error = "Protocol error.";
|
|
break;
|
|
case 1003:
|
|
socket.error = "Unsupported message.";
|
|
break;
|
|
case 1005:
|
|
socket.error = "No status.";
|
|
break;
|
|
case 1006:
|
|
socket.error = "Abnormal disconnection.";
|
|
break;
|
|
case 1009:
|
|
socket.error = "Data frame too large.";
|
|
break;
|
|
default:
|
|
socket.error = "Error "+e.code;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
var instance = webSocketInstances.push(socket) - 1;
|
|
return instance;
|
|
},
|
|
|
|
SocketState: function (socketInstance)
|
|
{
|
|
var socket = webSocketInstances[socketInstance];
|
|
return socket.socket.readyState;
|
|
},
|
|
|
|
SocketError: function (socketInstance, ptr, bufsize)
|
|
{
|
|
var socket = webSocketInstances[socketInstance];
|
|
if (socket.error == null)
|
|
return 0;
|
|
var str = socket.error.slice(0, Math.max(0, bufsize - 1));
|
|
writeStringToMemory(str, ptr, false);
|
|
return 1;
|
|
},
|
|
|
|
SocketSend: function (socketInstance, ptr, length)
|
|
{
|
|
var socket = webSocketInstances[socketInstance];
|
|
socket.socket.send (HEAPU8.buffer.slice(ptr, ptr+length));
|
|
},
|
|
|
|
SocketRecvLength: function(socketInstance)
|
|
{
|
|
var socket = webSocketInstances[socketInstance];
|
|
if (socket.messages.length == 0)
|
|
return 0;
|
|
return socket.messages[0].length;
|
|
},
|
|
|
|
SocketRecv: function (socketInstance, ptr, length)
|
|
{
|
|
var socket = webSocketInstances[socketInstance];
|
|
if (socket.messages.length == 0)
|
|
return 0;
|
|
if (socket.messages[0].length > length)
|
|
return 0;
|
|
HEAPU8.set(socket.messages[0], ptr);
|
|
socket.messages = socket.messages.slice(1);
|
|
},
|
|
|
|
SocketClose: function (socketInstance)
|
|
{
|
|
var socket = webSocketInstances[socketInstance];
|
|
socket.socket.close();
|
|
}
|
|
};
|
|
|
|
autoAddDeps(LibraryWebSockets, '$webSocketInstances');
|
|
mergeInto(LibraryManager.library, LibraryWebSockets);
|