Nintendo Switch Brew

BCAT services

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Revision as of 18:05, 10 September 2019 by Hexkyz (talk | contribs) (→‎IBcatService)

BCAT (Background Content Asymmetric synchronized delivery and Transmission) encompasses a set of content download/upload related services.

bcat:a, bcat:m, bcat:u, bcat:s

These are "nn::bcat::detail::ipc::IServiceCreator".

These were added with [2.0.0+].

Cmd Name Notes
0 CreateBcatService Takes an input u64 ProcessId, returns an #IBcatService
1 CreateDeliveryCacheStorageService Takes an input u64 ProcessId, returns an #IDeliveryCacheStorageService
2 CreateDeliveryCacheStorageServiceWithApplicationId Takes an input u64 TitleId, returns an #IDeliveryCacheStorageService
[2.0.0-2.3.0] 3 CreateDeliveryCacheProgressService Takes an input u64 ProcessId, returns an #IDeliveryCacheProgressService
[2.0.0-2.3.0] 4 CreateDeliveryCacheProgressServiceWithApplicationId Takes an input u64 TitleId, returns an #IDeliveryCacheProgressService

Equivalent to 3DS BOSS(SpotPass). See here for BCAT-content-container.

IBcatService

This is "nn::bcat::detail::ipc::IBcatService".

This was added with [2.0.0+].

Cmd Name
10100 #RequestSyncDeliveryCache
10101 [5.0.0+] RequestSyncDeliveryCacheWithDirectoryName
10200 [5.0.0+] CancelSyncDeliveryCacheRequest
20100 #RequestSyncDeliveryCacheWithApplicationId
20101 [5.0.0+] RequestSyncDeliveryCacheWithApplicationIdAndDirectoryName
20300 [8.0.0+] #GetDeliveryCacheStorageUpdateNotifier
20301 [8.0.0+] #RequestSuspendDeliveryTask
20400 [9.0.0+] RegisterSystemApplicationDeliveryTask
20401 [9.0.0+] UnregisterSystemApplicationDeliveryTask
30100 SetPassphrase
30101 [2.0.0-2.3.0]
30102 [2.0.0-2.3.0]
30200 [3.0.0+] RegisterDeliveryTask
30201 [3.0.0+] UnregisterDeliveryTask
30202 [3.0.0+] BlockDeliveryTask
30203 [3.0.0+] UnblockDeliveryTask
30300 [8.0.0+] RegisterSystemApplicationDeliveryTasks
90100 GetDeliveryTaskList
90200 #GetDeliveryList
90201 [3.0.0+] ClearDeliveryCacheStorage
90202 [8.0.0+] ClearDeliveryTaskSubscriptionStatus
90300 [3.0.0+] GetPushNotificationLog

RequestSyncDeliveryCache

No input/output.

[3.0.0+] Now returns an #IDeliveryCacheProgressService.

RequestSyncDeliveryCacheWithApplicationId

Takes a total of 8-bytes of input, no output.

[3.0.0+] Now takes an additional 8-bytes of input, and returns an #IDeliveryCacheProgressService.

GetDeliveryCacheStorageUpdateNotifier

Takes a total of 8-bytes of input, returns an #INotifierService.

RequestSuspendDeliveryTask

Takes a total of 8-bytes of input, returns an #IDeliveryTaskSuspensionService.

GetDeliveryList

Takes a type-0x6 output buffer, returns a total of 4-bytes of output.

[3.0.0+] Now takes a total of 8-bytes of input, and returns an additional 4-bytes of output.

IDeliveryCacheProgressService

This is "nn::bcat::detail::ipc::IDeliveryCacheProgressService".

This was added with [2.0.0+].

Cmd Name
0 GetEvent
1 GetImpl

IDeliveryCacheStorageService

This is "nn::bcat::detail::ipc::IDeliveryCacheStorageService".

This was added with [2.0.0+].

Cmd Name
0 CreateFileService
1 CreateDirectoryService
10 EnumerateDeliveryCacheDirectory

IDeliveryCacheFileService

This is "nn::bcat::detail::ipc::IDeliveryCacheFileService".

This was added with [2.0.0+].

Cmd Name
0 Open
1 Read
2 GetSize
3 GetDigest

IDeliveryCacheDirectoryService

This is "nn::bcat::detail::ipc::IDeliveryCacheDirectoryService".

This was added with [2.0.0+].

Cmd Name
0 Open
1 Read
2 GetCount

INotifierService

This is "nn::bcat::detail::ipc::INotifierService".

Added with [8.0.0+].

Cmd Name Notes
0 GetEvent

IDeliveryTaskSuspensionService

This is "nn::bcat::detail::ipc::IDeliveryTaskSuspensionService".

Added with [8.0.0+].

Cmd Name Notes
0 GetEvent

news:a, news:c, news:m, news:p, news:v

These are "nn::news::detail::ipc::IServiceCreator".

On [1.0.0] these are "nn::news::detail::ipc::INewsService", see #INewsService.

Cmd Name Notes
0 CreateNewsService No input, returns an #INewsService.
1 CreateNewlyArrivedEventHolder No input, returns an #INewlyArrivedEventHolder.
2 CreateNewsDataService No input, returns an #INewsDataService.
3 CreateNewsDatabaseService No input, returns an #INewsDatabaseService.
4 CreateOverwriteEventHolder No input, returns an #IOverwriteEventHolder.

INewsService

This is "nn::news::detail::ipc::INewsService".

Cmd Name
10100 PostLocalNews
20100 SetPassphrase
30100 GetSubscriptionStatus
30101 [3.0.0+] GetTopicList
30110 [6.0.0+]
30200 IsSystemUpdateRequired
30201 [8.0.0+]
30300 RequestImmediateReception
30400 [3.0.0+] DecodeArchiveFile
30500 [8.0.0+] ? (Takes a total of 8-bytes of input, a handle, and a type-0x9 input buffer, returns an #IUnknown2)
[1.0.0] 30900 (No input, returns an #INewlyArrivedEventHolder)
[1.0.0] 30901 (No input, returns an #INewsDataService)
[1.0.0] 30902 (No input, returns an #INewsDatabaseService)
40100 SetSubscriptionStatus
40101 [3.0.0+] RequestAutoSubscription
40200 ClearStorage
40201 ClearSubscriptionStatusAll
90100 GetNewsDatabaseDump

INewlyArrivedEventHolder

This is "nn::news::detail::ipc::INewlyArrivedEventHolder".

Cmd Name
0 Get

INewsDataService

This is "nn::news::detail::ipc::INewsDataService".

Cmd Name
0 Open
1 OpenWithNewsRecordV1
2 Read
3 GetSize
1001 [6.0.0+] OpenWithNewsRecord

INewsDatabaseService

This is "nn::news::detail::ipc::INewsDatabaseService".

Cmd Name
0 GetListV1
1 Count
2 CountWithKey
3 UpdateIntegerValue
4 UpdateIntegerValueWithAddition
5 UpdateStringValue
1000 [6.0.0+] GetList

IOverwriteEventHolder

This is "nn::news::detail::ipc::IOverwriteEventHolder".

Cmd Name
0 Get

IUnknown2

This was added with [8.0.0+].

Cmd Name
0
1
2
3

prepo:a, prepo:a2, prepo:m, prepo:u, prepo:s

These are "nn::prepo::detail::ipc::IPrepoService".

Cmd Name
10100 SaveReportOld ([1.0.0-5.1.0] SaveReport)
10101 SaveReportWithUserOld ([1.0.0-5.1.0] SaveReportWithUser)
10102 [6.0.0+] SaveReport
10103 [6.0.0+] SaveReportWithUser
10200 RequestImmediateTransmission
10300 GetTransmissionStatus
20100 SaveSystemReport
20101 SaveSystemReportWithUser
20200 [4.0.0+] SetOperationMode
30100 ClearStorage
30200 [6.0.0+] ClearStatistics
30300 [6.0.0+] GetStorageUsage
30400 [6.0.0+] GetStatistics
30401 [6.0.0+] GetThroughputHistory
30500 [6.0.0+] GetLastUploadError
40100 [2.0.0+] IsUserAgreementCheckEnabled
40101 [2.0.0+] SetUserAgreementCheckEnabled
90100 [6.0.0+] ReadAllReportFiles ([1.0.0-5.1.0] GetStorageUsage)
[1.0.0] 90101
[1.0.0] 90102
[5.0.0-5.1.0] 90200 GetStatistics
[5.0.0-5.1.0] 90201 GetThroughputHistory
[5.0.0-5.1.0] 90300 GetLastUploadError

Data reporting

The "Play Report" (prepo) service uploads system and user information to a cloud server. This includes the following fields: 

sys_info
data
application_id
event_id
operation_mode
lc_recorded_at (followed by a timestamp)
nc_recorded_at (followed by a timestamp)
nsa_id
os_version

And the contents of the following file: 

is_user_agreement_check_enabled.bin

All the information is periodically uploaded to the following URL:

  • https://receive-%.dg.srv.nintendo.net/post

It also checks the validity of the device's authentication token using the following URL:

  • https://dauth-%.ndas.srv.nintendo.net/v1/device_auth_token
Retrieved from "https://switchbrew.org/w/index.php?title=BCAT_services&oldid=7784"