Servoy 2020 Documentation
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Return Types

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JSPacket


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Method Summary

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JSPacket

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createNewPacket()
Create a new empty packet.

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JSPacket

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getReceivedPacket()
Get a packet from receive buffer, read buffer until empty (null is returned).

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Boolean

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sendPacket(destIpOrHostname, packet)
Send a packet.

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Boolean

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sendPacket(destIpOrHostname, packet, port)
Send a packet on another port.

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Boolean

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startSocket(port_number, method_to_call_when_packet_received_and_buffer_is_empty)
Start a UDP socket for a port.

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void

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stopSocket()
Stop the UDP socket for a port.

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Boolean

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testPacket(packet)
Put a test packet in the receive buffer to test your method call and getReceivedPacket.


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Method Details

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createNewPacket
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JSPacket

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createNewPacket

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()

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Since

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Parameters

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Returns

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JSPacket

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Also see

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External links

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Sample

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var packet = plugins.udp.createNewPacket()
packet.writeUTF('hello world!')//writes UTF
packet.writeInt(12348293)//writes 4 bytes
packet.writeShort(14823)//writes 2 bytes
packet.writeByte(123)//writes 1 byte
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getReceivedPacket
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JSPacket

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getReceivedPacket

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()

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Since

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Parameters

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Returns

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JSPacket

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Also see

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External links

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Sample

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var packet = null
while( ( packet = plugins.udp.getReceivedPacket() ) != null)
{
	var text = packet.readUTF()
	var count = packet.readInt()
}
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sendPacket
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Boolean

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sendPacket

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(destIpOrHostname, packet)

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Since

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Parameters

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{String} destIpOrHostname – the ip of the destination or the hostname
{JSPacket} packet – the JSPacket to send

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Returns

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Boolean

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Also see

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External links

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Sample

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var packet = plugins.udp.createNewPacket()
packet.writeUTF('hello world!')
plugins.udp.sendPacket('10.0.0.1',packet)
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sendPacket
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Boolean

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sendPacket

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(destIpOrHostname, packet, port)

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Since

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Parameters

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{String} destIpOrHostname – the ip of the destination or the hostname
{JSPacket} packet – the JSPacket to send
{Number} port – the port on which to send the packet

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Returns

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Boolean

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Also see

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External links

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Sample

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var packet = plugins.udp.createNewPacket()
packet.writeUTF('hello world!')
plugins.udp.sendPacket('10.0.0.1',packet, 4321)
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startSocket
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Boolean

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startSocket

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(port_number, method_to_call_when_packet_received_and_buffer_is_empty)

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Parameters

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{Number} port_number – the local port that this UDP socket will bind to.
{Object} method_to_call_when_packet_received_and_buffer_is_empty – when the socket receives one or more packages, it calls this method once.
The method will no longer be called even if new packages are received - until a call to UDPProvider#js_getReceivedPacket() returns null. So you should
consume all available packets before you expect this method to be called again.

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Returns

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Boolean

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Also see

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External links

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Sample

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plugins.udp.startSocket(1234,my_packet_process_method)
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stopSocket
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void

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stopSocket

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()

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Since

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Parameters

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Returns

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void

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Also see

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External links

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Sample

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plugins.udp.stopSocket()
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testPacket
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Boolean

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testPacket

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(packet)

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Since

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Parameters

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{JSPacket} packet

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Returns

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Boolean

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Also see

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External links

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Sample

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var packet = plugins.udp.createNewPacket()
packet.writeUTF('hello world!')
plugins.udp.testPacket(packet)
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