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update ssdp helper to allow for multiple printers

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This commit is contained in:
Stewart Allen 2025-01-26 11:52:52 -05:00
commit c3ab08dcc1
1 changed files with 52 additions and 57 deletions
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85
mods/bambu/ssdp.js
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@ -9,9 +9,9 @@
* under the slicer Devices tab when "+" is selected.
*/
const [ name, host, serial ] = process.argv.slice(2);
let args = process.argv.slice(2);
if (!(name && host && serial)) {
if (args.length % 3 !== 0) {
console.log([
'usage: ssdp [name] [host] [serial-no]',
'where:',
@ -22,13 +22,6 @@ if (!(name && host && serial)) {
return process.exit(0);
}
console.log([
`Broadcasting Bambu Printer`,
`Name: ${name}`,
`Host: ${host}`,
`Serial: ${serial}`,
].join('\n'));
const dgram = require("dgram");
// SSDP parameters
@ -38,28 +31,45 @@ const SSDP_PORT = 1900;
// Create a UDP socket
const socket = dgram.createSocket("udp4");
// SSDP discovery message
const ssdpMessage = `
NOTIFY * HTTP/1.1
HOST: ${SSDP_ADDRESS}:${SSDP_PORT}
Server: UPnP/1.0
Location: ${host}
NT: urn:bambulab-com:device:3dprinter:1
USN: ${serial}
Cache-Control: max-age=1800
DevModel.bambu.com: C11
DevName.bambu.com: ${name}
DevSignal.bambu.com: -66
DevConnect.bambu.com: lan
DevBind.bambu.com: free
Devseclink.bambu.com: secure
DevVersion.bambu.com: 01.07.00.00
DevCap.bambu.com: 1`
.trim().split('\n').join("\r\n") + "\r\n\r\n";
socket.on("error", error => console.log({ error }));
function send(socket, addr, port) {
// Bind the socket and join the multicast group
socket.bind(1900, () => {
socket.addMembership(SSDP_ADDRESS); // Join the SSDP multicast group
});
while (args.length) {
const [name, host, serial] = args;
args = args.slice(3);
console.log([
`Broadcasting Bambu Printer`,
`Name: ${name}`,
`Host: ${host}`,
`Serial: ${serial}`,
].join('\n'));
// SSDP discovery message
const ssdpMessage = `
NOTIFY * HTTP/1.1
HOST: ${SSDP_ADDRESS}:${SSDP_PORT}
Server: UPnP/1.0
Location: ${host}
NT: urn:bambulab-com:device:3dprinter:1
USN: ${serial}
Cache-Control: max-age=1800
DevModel.bambu.com: C11
DevName.bambu.com: ${name}
DevSignal.bambu.com: -66
DevConnect.bambu.com: lan
DevBind.bambu.com: free
Devseclink.bambu.com: secure
DevVersion.bambu.com: 01.07.00.00
DevCap.bambu.com: 1`
.trim().split('\n').join("\r\n") + "\r\n\r\n";
// Send the SSDP broadcast
function send(socket, addr, port) {
socket.send(
ssdpMessage,
0,
@ -74,22 +84,7 @@ function send(socket, addr, port) {
}
}
);
}
}
socket.on("error", error => console.log({ error }));
// Handle responses from devices
socket.on("message", (msg, rinfo) => {
// console.log(`<<<<<<<<<<<<<<<<< ${rinfo.address} : ${rinfo.port}`);
// console.log(msg.toString().trim());
// console.log('<<<<<<<<<<<<<<<<<');
});
// Bind the socket and join the multicast group
socket.bind(1900, () => {
socket.addMembership(SSDP_ADDRESS); // Join the SSDP multicast group
setInterval(() => send(socket, '239.255.255.250', 2021), 1000);
// setInterval(() => send(socket, '239.255.255.250', 1990), 2000);
// setInterval(() => send(socket, '255.255.255.255', 2021), 2000);
});
}