kd0nks / js-aprs-is Goto Github PK

• packet
• login message should not be emitted as a packet - make it its own type

In V2, isConnected should be updated to:

public get isConnected(): boolean 

Which would then be accessed as a read-only property.

connection.isConnected

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The devDependency @types/node was updated from 11.12.1 to 11.12.2.

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Per http://www.aprs-is.net/Connecting.aspx

All "packets" sent to APRS-IS must be in the TNC2 format terminated by a carriage return, line feed sequence. No line may exceed 512 bytes including the CR/LF sequence. Only verified (valid passcode) clients may send data to APRS-IS. See the IGate document regarding gating packets to APRS-IS. Packets originating from the client should only have TCPIP* in the path, nothing more or less (AE5PL-TS>APRS,TCPIP*:my packet). For compatibility, the following rules are for any station generating packets:

• q constructs should never appear on RF. Only the qAR and qAO constructs may be generated by a client (IGate) on APRS-IS.
• The I construct should never appear on RF. This is an out-dated IGate construct which should no longer be used.
• Except for within 3rd party format gated packets, TCPIP and TCPXX should not be used on RF.

Would appreciate any feedback and discussion on this.

Should a isTransmitEnabled flag be added to ISSocket to prevent unintended sending of packets via the socket?

This would require a version bump to deprecate or remove usage of sendLine() and possibly userLogin in favor of sendLogin() and send().

• sendLogin() would internally build the login string rather than rely on users having to make round trip calls to ISSocket.
• send() would only send a packet if isTransmitEnabled is set to true. If it is set to true and an invalid passcode is set, the server should still reject it.

It would be nice to support UDP.

http://www.aprs-is.net/ClientUDP.aspx

Per http://www.aprs-is.net/Connecting.aspx:

Login Format Rules

• Station logins/callsigns generally follow the TNC2/AEA standards for textual representations.
• Logins/callsigns must be alphanumeric ASCII characters only (may be upper/lower/mixed case).
• Logins/callsigns may contain a single hyphen followed by one or two alphanumeric ASCII characters.
• A SSID of zero is assumed if the callsign does not have a SSID; therefore never explicitly define -0 as a SSID.
• SSIDs may be 1 or 2 ASCII alphanumeric characters only.
• Total length of logins/callsigns may not exceed 9 characters including the SSID if present.
• The minimum length of the callsign only (preceeding the hyphen if present) is 3 characters.
• RF and APRS-IS clients may convert lower or mixed case callsigns and SSIDs to upper case.
• APRS-IS servers consider all callsigns-SSID combinations as unique regardless of case.
• Callsigns (preceeding hyphen if present) are converted to upper case for passcode calculation.
• Future APRS-IS servers may restrict logins to international callsign format rules forcing uppercase for the callsign. The regex for international callsigns is:

(?>[1-9][A-Z][A-Z]?+[0-9]|[A-Z][2-9A-Z]?[0-9])[A-Z]{1,4}+

SSID and callsign restrictions vary depending on intended use. Assume that if you are going to message or use a station on RF, the callsign and SSID must be upper case. If you are going to transmit on RF directly (directly to the TNC, not via 3rd party gating), you must use a SSID from 0 to 15 (-0 is never used, no SSID represents a zero SSID) (AX.25 SSID). If you are going to message to some Yaseu radios, you must use an AX.25 SSID as they will not respond to a non-AX.25 SSID even if contained in a 3rd party packet. SSIDs are a maximum of 2 alphanumeric characters, period. This maintains compatibility across all software and hardware. Some software does not differentiate between lower and upper case. Always use upper case for callsign and SSID.

https://nodejs.org/api/net.html#net_event_connect

The devDependency ts-node was updated from 8.4.1 to 8.5.0.

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The dependency @types/node was updated from 12.7.0 to 12.7.1.

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Add support for connecting to web sockets.

See: http://www.aprs-is.net/Connecting.aspx

Not all data is necessarily utf-8. If this library is used for IGate functionality, A modified packet could be created.

https://github.com/hessu/aprsc/blob/master/doc/IGATE-HINTS.md

The dependency @types/node was updated from 13.5.1 to 13.5.2.

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The devDependency coveralls was updated from 3.0.4 to 3.0.5.

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