I was toying with an even simpler design. Just point at the newer bundle on
the web. The current bundle could range request the version number of the
bundle (out of the header) and now if the web is newer. The range request
would also tell the size of the new bundle. Any thoughts?
On Tue, Feb 19, 2013 at 8:13 AM, Neil Sleightholm <[email protected]>wrote:
> The full code is available in this fork
> http://wix.codeplex.com/SourceControl/network/forks/nsleightholm/bundleselfupdates/changeset/232ffc24aa57
> ****
>
> ** **
>
> Neil****
>
> ** **
>
> *From:* Neil Sleightholm [mailto:[email protected]]
> *Sent:* 19 February 2013 15:34
>
> *To:* Windows Installer XML toolset developer mailing list
> *Subject:* Re: [WiX-devs] WixStdBA and bundle self updates****
>
> ** **
>
> What I did was hook in to the OnDetectUpdateBegin() event and create a
> thread to check a website, if the website reports that there is an update I
> enable a link on the welcome page that calls
> OnPlan(BOOTSTRAPPER_ACTION_UPDATE_REPLACE). I set the check link to include
> the bundle version e.g. Update Location="
> https://example.com/checkupgrade.asp?version=1.2.3.4” (this could do with
> being a formatted value so that you can use [WixBundleVersion]). The
> website returns the update URL and optionally the size of the download.***
> *
>
> ** **
>
> Most of the code was already in place so I just had to join the dots.****
>
> ** **
>
> The thread code looks like this:****
>
> // Load the update XML from a location url and parse it for an
> update.****
>
> //****
>
> // <?xml version="1.0" encoding="utf-8"?>****
>
> // <Setup>****
>
> // <Upgrade Url="https://somewhere.co.uk/download/Setup.exe";
> Size="123" />****
>
> // </Setup>****
>
> ** **
>
> hr = XmlLoadDocumentFromFile(pThis->m_wzUpdateLocation, &pixd);***
> *
>
> BalExitOnFailure(hr, "Failed to load version check XML document.");
> ****
>
> ** **
>
> hr = XmlSelectSingleNode(pixd, L"/Setup/Upgrade", &pNode);****
>
> BalExitOnFailure(hr, "Failed to select upgrade node.");****
>
> ** **
>
> if (S_OK == hr)****
>
> {****
>
> hr = XmlGetAttributeEx(pNode, L"Url", &sczUpdateUrl);****
>
> BalExitOnFailure(hr, "Failed to get url attribute.");****
>
> ** **
>
> hr = XmlGetAttributeLargeNumber(pNode, L"Size", &qwSize);****
>
> ** **
>
> pThis->m_fUpdate = (sczUpdateUrl && *sczUpdateUrl);****
>
> }****
>
> ** **
>
> if (pThis->m_fUpdate)****
>
> {****
>
> BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Update available,
> url: %ls; size: %I64u.", sczUpdateUrl, qwSize);****
>
> pThis->m_pEngine->SetUpdate(NULL, sczUpdateUrl, qwSize,
> BOOTSTRAPPER_UPDATE_HASH_TYPE_NONE, NULL, 0);****
>
> ThemeControlEnable(pThis->m_pTheme,
> WIXSTDBA_CONTROL_UPGRADE_LINK, TRUE);****
>
> }****
>
> else****
>
> {****
>
> BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "No update
> available.");****
>
> }****
>
> ** **
>
> I’ll try and create a fork for this tonight.****
>
> ** **
>
> Neil****
>
>
> ------------------------------------------------------------------------------
> Everyone hates slow websites. So do we.
> Make your web apps faster with AppDynamics
> Download AppDynamics Lite for free today:
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>
>
------------------------------------------------------------------------------
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