2024-10-18 18:52:48 -04:00
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# Introduction
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`NLN` is a command introduced with [MSNP2](../versions/msnp2.md).
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It is a Notification Server command, without a response payload.
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Specifies that a user has now came online.
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For the version sent with a Transaction ID as a response to some commands, read [ILN](iln.md).
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# Client/Request
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This command can not be sent from the client.
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# Server/Response
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`NLN status user-handle {network-id} friendly-name {client-capabilities{:extended-client-capabilities}} {msnobj} {presence-icon-url}`
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Where `status` is any of the defined statuses:
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* `NLN`: Online
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* `BSY`: Busy
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* `IDL`: Idle
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* `BRB`: Be Right Back
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* `AWY`: Away
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* `PHN`: On The Phone
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* `LUN`: Out To Lunch
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* `HDN`: Appear Offline (previously Invisible, Valid but should never be sent.)
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* `FLN`: Offline (Valid but should never be sent.)
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Where `user-handle` is the relevant user's handle.
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Where `network-id` is the Network Identification Number. Added since [MSNP14](../versions/msnp14.md).
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Where `friendly-name` is the relevant user's friendly name.
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Where `client-capabilities` are the relevant user's Client Capabilities. Optional? Added since [MSNP8](../versions/msnp8.md).
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Where `extended-client-capabilities` are the relevant user's Extended Client Capabilities.
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Optional. Added since [MSNP16](../versions/msnp16.md).
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Where `msnobj` is the MSNObject the relevant user has set. Optional. Added since [MSNP9](../versions/msnp9.md).
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Where `presence-icon-url` is an image that is rendered to this client that replaces the default user icon.
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Optional. Added since [MSNP14](../versions/msnp14.md).
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# Examples
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## Wihout anything special
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```
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S: NLN NLN anotheruser@example.com another%20user
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```
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## With Client Capabilities
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*Since [MSNP8](../versions/msnp8.md).*
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```
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S: NLN NLN anotheruser@example.com another%20user 0
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```
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## With a MSNObject
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*Since [MSNP9](../versions/msnp9.md).*
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*NOTE: This has been line-breaked.
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Lines beginning with `..` followed by a space are continuations of the previous line.*
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```
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S: NLN NLN anotheruser@hotmail.com another%20user 268435500 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
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.. %20Size%3D%2225235%22%20Type%3D%223%22
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.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
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.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
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.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
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```
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## With Network IDs and Presence Icon URLs
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*Since [MSNP14](../versions/msnp14.md).*
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*NOTE: This has been line-breaked.
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Lines beginning with `..` followed by a space are continuations of the previous line.*
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```
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2024-10-21 12:30:22 -04:00
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S: NLN NLN anotheruser@hotmail.com 1 another%20user 1611513916 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
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2024-10-18 18:52:48 -04:00
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.. %20Size%3D%2225235%22%20Type%3D%223%22
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.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
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.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
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.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
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.. http://example.com/interop/online.png
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```
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## With Extended Client Capabilities
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*Since [MSNP16](../versions/msnp16.md).*
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*NOTE: This has been line-breaked.
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Lines beginning with `..` followed by a space are continuations of the previous line.*
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```
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S: NLN NLN anotheruser@hotmail.com 1 another%20user 2789003324:48 %3Cmsnobj%20Creator%3D%22anotherdude%40hotmail.com%22
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.. %20Size%3D%2225235%22%20Type%3D%223%22
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.. %20Location%3D%22uexA4DE.dat%22%20Friendly%3D%22AAA%3D%22
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.. %20SHA1D%3D%22vP1ppB+xiFQ8ceZivRe0uCaYLIU%3D%22
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.. %20SHA1C%3D%22PApbbjkbDSGrt3ybGHRKNaZ8s%2Fw%3D%22%2F%3E
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.. http://example.com/interop/online.png
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```
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## Invalid context
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*Inherited from being an unimplemented command.*
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```
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C: NLN FLN example@hotmail.com example%20user
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```
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Server disconnects client.
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# Known changes
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* [MSNP8](../versions/msnp8.md): Added a parameter for Client Capabilities.
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* [MSNP9](../versions/msnp9.md): Added a parameter for the MSNObject.
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* [MSNP14](../versions/msnp14.md): Added a way to override the default presense icon, and added a new non-optional Network ID parameter.
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* [MSNP16](../versions/msnp16.md): Added Extended Client Capabilities support to the Client Capabilities parameter, delimited by a colon.
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