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Fix multiple TVs discover #25

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Fix multiple TVs discover #25

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23 changes: 16 additions & 7 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -205,10 +205,16 @@ var _send_ssdp_discover = function(socket)
/*---------------------------------------------------------------------------*/
var discover_ip = function(retry_timeout_seconds, tv_ip_found_callback)
{

// timeout added for multi tv find // +1 second added in case of retry timeout use
setTimeout(function() {
server.close();
}, ((retry_timeout_seconds+1)*1000));

var server = dgram.createSocket('udp4');
var timeout = 0;
var cb = tv_ip_found_callback || undefined;

var tvFound = "";
// sanitize parameters and set default otherwise
if (retry_timeout_seconds && typeof(retry_timeout_seconds) === 'number') {
timeout = retry_timeout_seconds;
Expand All @@ -227,16 +233,19 @@ var discover_ip = function(retry_timeout_seconds, tv_ip_found_callback)
// set timeout before next probe
// XXXXX
// after timeout seconds, invoke callback indicating failure
// cb(true, "");
//cb(true, "");
}
});

// scan incoming messages for the magic string, close when we've got it
// scan incoming messages for the magic string
server.on('message', function(message, remote) {
if (message.indexOf("LG Smart TV") >= 0) {
server.close();
if (message.indexOf("LG Smart TV")) {
// commented because is stop at first tv found
//server.close();
if (cb) {
cb(false, remote.address);
if (tvFound != remote.address){ // we need this to filter same ip return
cb(false, remote.address);
tvFound = remote.address;
}
}
}
});
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