Wifi Raceq

race2.puml

@startuml
!pragma teoz true

title Multiple apps on different devices, MOBILE is an access point
participant HMI
participant SDL
box "Device1"
participant APP1
end box
box "Device2"
participant APP2
end box

note over HMI, APP2: in ini file : NetworkHost = MOBILE \n\
Apps allowed to use feature by policies

autonumber  "<font color=blue><b>[00]" 

SDL -> HMI : <b>UI.GetCapabilities() request
HMI -> SDL : <b>UI.GetCapabilities(NetworkingCapabilities) response : \n\
\t autoJoinWiFiSupported : \t true \n\
\t canHostWiFiNetwork : \t true \n\
\t preferredNetworkHost : \t **MOBILE** \n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 

APP1 -> SDL : <b>RAI_1(NetworkingCapabilities): \n\
\t autoJoinWiFiSupported : \t true \n\
\t canHostWiFiNetwork : \t true \n\
\t preferredNetworkHost : \t **VEHICLE** \n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 


SDL -> HMI : <b>OnAppRegistered(App1) 
SDL -> APP1 : <b>RAI(App1) response 

SDL -> SDL : Based on ini file, **RAI_1** and HMI NetworkCapabilities\n\
SDL decides that **MOBILE should be AP** 

SDL -> APP1:  <b>OnSystemRequestCapabilitiesUpdate(NetworkCapabilities): \n\
\t preferredNetworkHost : \t **MOBILE**\n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 

APP1 -> APP1 : Mobile creates \n\
WiFi Access Point

APP1 -> SDL: <b>JoinNetwork requst \n\
\t ssid : \t DeviceWiFiAP \n\
\t password : \t 12345678 \n\
\t securityType : \t WIFI_SECURITY_WPA2 \n\
\t allowAccessPointToBeShared : \t **true** \n\
\t accessPointSupportsInternetAccess : \t true

SDL -> HMI: <b>JoinNetwork request \n\
\t ssid : \t DeviceWiFiAP \n\
\t password : \t 12345678 \n\
\t securityType : \t WIFI_SECURITY_WPA2 \n\
\t allowAccessPointToBeShared : \t **true** \n\
\t accessPointSupportsInternetAccess : \t true

HMI -[#red]> HMI : Establish \n\
WiFiConnection 
note right of HMI  #FF9999
<size:18>This may take a long time</size>
end note
activate HMI

APP2 -[#red]> SDL : <b>RAI_2(NetworkingCapabilities): \n\
\t autoJoinWiFiSupported : \t true \n\
\t canHostWiFiNetwork : \t true \n\
\t preferredNetworkHost : \t **MOBILE** \n\

SDL -[#red]> HMI : <b>OnAppRegistered(App2) 
SDL -[#red]> APP2 : <b>RAI(App2) response 



SDL -> SDL : SDL postpone calculating networkcapabilities for device2
activate SDL 

deactivate HMI

HMI -> SDL : <b>JoinNetwork response
SDL -> APP1 : <b>JoinNetwork response
SDL -> APP1 : OnTransportEventUpdate
SDL -[#red]> APP2 : OnTransportEventUpdate

APP1 <-> SDL : <b>Start session via WIFI secondary transport
APP2 <-> APP2 : <b> Unable to start session because WiFi not connected 

HMI -[#red]> SDL:  <b>OnSystemCapabilityUpdate(NetworkCapabilities): \n\
\t autoJoinWiFiSupported : \t **false** \n\
\t canHostWiFiNetwork : \t **true**  \n\
\t preferredNetworkHost : \t **VEHICLE** \n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 

note right of SDL  #FF9999
<size:18>Now SDL is able to notify postpone devices (multiple devices may be in the queue)</size>
end note

deactivate SDL 

SDL -> HMI:  <b>OnSystemRequestCapabilitiesUpdate(NetworkCapabilities): \n\
\t preferredNetworkHost : \t **VEHICLE**\n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 



HMI -> SDL: <b>JoinNetwork requst \n\
\t ssid : \t DeviceWiFiAP \n\
\t password : \t 12345678 \n\
\t securityType : \t WIFI_SECURITY_WPA2 \n\
\t allowAccessPointToBeShared : \t **true** \n\
\t accessPointSupportsInternetAccess : \t true

SDL -> APP2: <b>JoinNetwork request \n\
\t ssid : \t DeviceWiFiAP \n\
\t password : \t 12345678 \n\
\t securityType : \t WIFI_SECURITY_WPA2 \n\
\t allowAccessPointToBeShared : \t **true** \n\
\t accessPointSupportsInternetAccess : \t true


APP2 -[#red]> APP2 : Establish \n\
WiFiConnection 

APP2 -> SDL : <b>JoinNetwork response
SDL -> HMI : <b>JoinNetwork response


note over of APP2  #FF9999
<size:22> SDL will not send OnTransportEventUpdate
<size:22> APP2 should should start service
<size:22> based on info from step **[19]**
end note


@enduml

wifi_race1.puml

@startuml
!pragma teoz true

title Multiple apps on different devices, MOBILE is an access point
participant HMI
participant SDL
box "Device1"
participant APP1
end box
box "Device2"
participant APP2
end box

note over HMI, APP2: in ini file : NetworkHost = MOBILE \n\
Apps allowed to use feature by policies

autonumber  "<font color=blue><b>[00]" 

SDL -> HMI : <b>UI.GetCapabilities() request
HMI -> SDL : <b>UI.GetCapabilities(NetworkingCapabilities) response : \n\
\t autoJoinWiFiSupported : \t true \n\
\t canHostWiFiNetwork : \t true \n\
\t preferredNetworkHost : \t **MOBILE** \n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 

APP1 -> SDL : <b>RAI_1(NetworkingCapabilities): \n\
\t autoJoinWiFiSupported : \t true \n\
\t canHostWiFiNetwork : \t true \n\
\t preferredNetworkHost : \t **VEHICLE** \n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 


SDL -> HMI : <b>OnAppRegistered(App1) 
SDL -> APP1 : <b>RAI(App1) response 

SDL -> SDL : Based on ini file, **RAI_1** and HMI NetworkCapabilities\n\
SDL decides that **MOBILE should be AP** 

SDL -> APP1:  <b>OnSystemRequestCapabilitiesUpdate(NetworkCapabilities): \n\
\t preferredNetworkHost : \t **MOBILE**\n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 

APP1 -> APP1 : Mobile creates \n\
WiFi Access Point

APP1 -> SDL: <b>JoinNetwork requst \n\
\t ssid : \t DeviceWiFiAP \n\
\t password : \t 12345678 \n\
\t securityType : \t WIFI_SECURITY_WPA2 \n\
\t allowAccessPointToBeShared : \t **true** \n\
\t accessPointSupportsInternetAccess : \t true

SDL -> HMI: <b>JoinNetwork request \n\
\t ssid : \t DeviceWiFiAP \n\
\t password : \t 12345678 \n\
\t securityType : \t WIFI_SECURITY_WPA2 \n\
\t allowAccessPointToBeShared : \t **true** \n\
\t accessPointSupportsInternetAccess : \t true

HMI -[#red]> HMI : Establish \n\
WiFiConnection 
note right of HMI  #FF9999
<size:18>This may take a long time</size>
end note
activate HMI

APP2 -[#red]> SDL : <b>RAI_2(NetworkingCapabilities): \n\
\t autoJoinWiFiSupported : \t true \n\
\t canHostWiFiNetwork : \t true \n\
\t preferredNetworkHost : \t **MOBILE** \n\

SDL -[#red]> HMI : <b>OnAppRegistered(App2) 
SDL -[#red]> APP2 : <b>RAI(App2) response 



SDL -> SDL : Based on ini file, **RAI_1** and \n\
**latest** HMI NetworkCapabilities from step **[02]** \n\
SDL decides that **MOBILE** should be AP 

SDL -> APP2:  <b>OnSystemRequestCapabilitiesUpdate(NetworkCapabilities): \n\
\t preferredNetworkHost : \t **MOBILE**\n\
\t wifiFrequencyBandsSupported : \t "FREQUENCY_BAND_2_4_GHZ" 
note right of SDL  #FFFFFF
<font color=red size=20>Mobile receives wrong AP placement 
end note

@enduml