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- Which firmware version to download
- From where to download
- How (protocol) to download
RDK Code Download (RCDL)
| draw.io Diagram | ||||
|---|---|---|---|---|
|
Server side (Business logic) identifies which version of code need to be provided for download. Xconf download is triggered by the device ie: device reaches out to server sending information like current firmware and capabilities. It asks for which firmware version to download and from where to download. RCDL (RDK Code Download or Remote Code Download) uses eSTB interface to download code from server.
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| Capability | Description |
|---|---|
| rebootDecoupled | lets Xconf know that reboot has been decoupled from firmware download. If not specified in the rebootImmediately response, the STB will still reboot immediately after firmware download. |
| downloadScheduled | lets Xconf know that STB is able to schedule firmware download based on information received from Xconf. ?? do we still want this ?? |
| RCDL | STB is capable of performing HTTP firmware downloads using DNS resolved URIs. The download will run in the eSTB. Until this, the eCM performed the download. eCM does not have DNS and thus requires an IP address. |
| supportsFullHttpUrl | lets Xconf know that the STB can accept a full URL specifier (http://hostname.com); initially, the STB only accepted a hostname and prepended the hostname with the protocol, then appended it with a port and resource path. Xconf should specify the entire URL |
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There are times when Xconf does not wish to respond to the STB. In these cases it will send an HTTP 404 (not found) response and a prose text reason for why the response was not handled. The STB should ignore these responses (and not retry the request to Xconf).
Service & Scripts
Service Name : /lib/systemd/system/swupdate.service
Helper Script : /lib/rdk/swupdate_utility.sh
Main Script : /lib/rdk/deviceInitiatedFWDnld.sh
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