This is used for Push Notifications.

It uses a version of the libstrophe[1] xmpp library with libxml2. Modifications were made to use the ssl service and support network proxy settings.

npns:u

This is "nn::npns::INpnsUser".

Cmd	Name
1	ListenAll
2	#ListenTo
3	Receive
4	ReceiveRaw
5	#GetReceiveEvent
7	#GetStateChangeEvent
8	[18.0.0+] ListenToByName
21	CreateToken
23	DestroyToken
25	QueryIsTokenValid
26	[5.0.0+] ListenToMyApplicationId
101	Suspend
102	Resume
103	GetState
104	[3.0.0+] GetStatistics
111	GetJid
120	[7.0.0+] #CreateNotificationReceiver
151	[8.0.0+] GetStateWithHandover
152	[8.0.0+] GetStateChangeEventWithHandover
153	[8.0.0+] GetDropEventWithHandover
154	[12.0.0+] CreateTokenAsync

[5.0.0+] CreateToken/DestroyToken now takes an additional 8-bytes of input and a PID.

npns:s

This is "nn::npns::INpnsSystem".

Cmd	Name
1	ListenAll
2	#ListenTo
3	Receive
4	ReceiveRaw
5	#GetReceiveEvent
6	#ListenUndelivered
7	#GetStateChangeEvent
8	[18.0.0+] ListenToByName
11	SubscribeTopic
12	UnsubscribeTopic
13	[1.0.0-17.0.1] QueryIsTopicExist
14	[18.0.0+] SubscribeTopicByAccount
15	[18.0.0+] UnsubscribeTopicByAccount
16	[18.0.0+] DownloadSubscriptionList
17	[19.0.0+]
21	CreateToken
22	CreateTokenWithApplicationId
23	DestroyToken
24	DestroyTokenWithApplicationId
25	QueryIsTokenValid
26	[5.0.0+] ListenToMyApplicationId
27	[13.0.0+] DestroyTokenAll
28	[18.0.0+] CreateTokenWithName
29	[18.0.0+] DestroyTokenWithName
31	UploadTokenToBaaS
32	[2.0.0+] DestroyTokenForBaaS
33	[7.0.0+] CreateTokenForBaas
34	[7.0.0+] SetBaasDeviceAccountIdList
35	[17.0.0+] LinkNsaId
36	[17.0.0+] UnlinkNsaId
37	[18.0.0+] RelinkNsaId
40	[17.0.0+] GetNetworkServiceAccountIdTokenRequestEvent
41	[17.0.0+] TryPopNetworkServiceAccountIdTokenRequestUid
42	[17.0.0+] SetNetworkServiceAccountIdTokenSuccess
43	[17.0.0+] SetNetworkServiceAccountIdTokenFailure
44	[17.0.0+] SetUidList
45	[17.0.0+] PutDigitalTwinKeyValue
51	[18.0.0+] DeleteDigitalTwinKeyValue
60	[19.0.0+]
61	[19.0.0+]
101	Suspend
102	Resume
103	GetState
104	[3.0.0+] GetStatistics
105	[3.0.0+] GetPlayReportRequestEvent
106	[18.0.0+] GetLastNotifiedTime
107	[18.0.0+] SetLastNotifiedTime
111	#GetJid
112	#CreateJid
113	#DestroyJid
114	AttachJid
115	DetachJid
120	[7.0.0+] #CreateNotificationReceiver
141	[19.0.0+]
142	[19.0.0+]
143	[19.0.0+]
144	[19.0.0+]
145	[19.0.0+]
151	[8.0.0+] GetStateWithHandover
152	[8.0.0+] GetStateChangeEventWithHandover
153	[8.0.0+] GetDropEventWithHandover
154	[12.0.0+] CreateTokenAsync
155	[12.0.0+] CreateTokenAsyncWithApplicationId
156	[18.0.0+] CreateTokenWithNameAsync
161	[10.0.0+] GetRequestChangeStateCancelEvent
162	[10.0.0+] RequestChangeStateForceTimedWithCancelEvent
201	[3.0.0+] RequestChangeStateForceTimed
202	[3.0.0+] RequestChangeStateForceAsync
301	[18.0.0+] GetPassword
302	[18.0.0+] GetAllImmigration
303	[18.0.0+] GetNotificationHistories
304	[18.0.0+] GetPersistentConnectionSummary
305	[18.0.0+] GetDigitalTwinSummary
306	[18.0.0+] GetDigitalTwinValue

[5.0.0+] CreateToken/DestroyToken now takes an additional 8-bytes of input and a PID.

ListenAll, ReceiveRaw, CreateToken, DestroyToken, QueryIsTokenValid are stubbed. They return 0x7fc9a on [1.0.0] and 0x36dc9a on later versions.

ListenTo

Takes an input u64 program id, no output.

GetReceiveEvent

No input, returns an output Event handle with autoclear=true.

GetStateChangeEvent

No input, returns an output Event handle with autoclear=true.

ListenUndelivered

No input, same as calling #ListenTo with program id 0.

GetJid

No input, returns the current Jabber Identifier[2] in a type-10 buffer. Locally it's stored in "npns_save:/persistent.bin"

CreateJid

No input, no output. Fetches a new Jid from the CDN. Invalidates the old one if existent.

DestroyJid

No input, no output. Invalidates and deletes the current Jid.

CreateNotificationReceiver

Returns an #INotificationReceiver.

INotificationReceiver

This is "nn::npns::INotificationReceiver".

This was added with [7.0.0+].

Cmd	Name	Notes
1	#ListenTo	Takes a total of 8-bytes of input, no output.
2	ListenToMyApplicationId	Takes a total of 8-bytes of input and a PID, no output.
3	Receive	Takes a total of 2-bytes of input and a type-0x6 output buffer.
4	GetReceiveEvent	No input, returns an output handle.
5	[18.0.0+] ListenToByName

ICreateTokenAsyncContext

This is "nn::npns::ICreateTokenAsyncContext".

This was added with [12.0.0+].

Cmd	Name
1	GetFinishEvent
2	Cancel
3	GetResult
10	GetToken

ISubscriptionUpdateNotifier

This is "nn::npns::ISubscriptionUpdateNotifier".

This was added with [19.0.0+].

Cmd	Name
1
2

IFuture

This is "nn::npns::IFuture".