LlReleaseURL

Wiki description

Releases the specified URL, it will no longer be usable.

Caveats

URLs are automatically released and invalidated in certain situations. In the following situations, there is no need to call llReleaseURL. But you will have to request a new one afterwards
- When the region is restarted or goes offline
- When the script holding the URLs is reset, or recompiled
- When the object containing the script is deleted, or taken to inventory

Examples

string url;
key urlRequestId;
key selfCheckRequestId;
 
request_url()
{
    llReleaseURL(url);
    url = "";
    llSetTimerEvent(0.0);
    urlRequestId = llRequestURL();
}
 
throw_exception(string inputString)
{
    llInstantMessage(llGetOwner(), inputString);
 
    // yeah, bad way to handle exceptions by restarting.
    // However this is just a demo script...
 
    llResetScript();
}
 
default
{
    on_rez(integer start_param)
    {
        llResetScript();
    }
 
    changed(integer change)
    {
        if (change & CHANGED_OWNER | CHANGED_REGION | CHANGED_REGION_START)
            llResetScript();
    }
 
    state_entry()
    {
        request_url();
    }
 
    http_request(key id, string method, string body)
    {
        integer responseStatus = 400;
        string responseBody = "Unsupported method";
 
        if (method == URL_REQUEST_DENIED)
            throw_exception("The following error occurred while attempting to get a free URL for this device:\n \n" + body);
        else if (method == URL_REQUEST_GRANTED)
        {
            url = body;
            llLoadURL(llGetOwner(), "Click to visit my URL!", url);
 
            // check every 5 mins for dropped URL
            llSetTimerEvent(300.0);
        }
        else if (method == "GET")
        {
            responseStatus = 200;
            responseBody = "Hello world!";
        }
        // else if (method == "POST") ...;
        // else if (method == "PUT") ...;
        // else if (method == "DELETE") { responseStatus = 403; responseBody = "forbidden"; }
 
        llHTTPResponse(id, responseStatus, responseBody);
    }
 
    http_response(key id, integer status, list metaData, string body)
    {
        if (id == selfCheckRequestId)
        {
            // If you're not usually doing this,
            // now is a good time to get used to doing it!
            selfCheckRequestId = NULL_KEY;
 
            if (status != 200)
                request_url();
        }
        else if (id == NULL_KEY)
            throw_exception("Too many HTTP requests too fast!");
    }
 
    timer()
    {
        selfCheckRequestId = llHTTPRequest(url,
                                [HTTP_METHOD, "GET",
                                    HTTP_VERBOSE_THROTTLE, FALSE,
                                    HTTP_BODY_MAXLENGTH, 16384],
                                "");
    }
}

History

SVN:1836 r112899 Trunk

LlReleaseURL

Wiki description

Caveats

Examples

See also: functions

See also: articles

History