Difference between revisions of "URL REQUEST GRANTED"

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(added example script)
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{{LSL DefineRow||[[URL_REQUEST_DENIED]]|}}
{{LSL DefineRow||[[URL_REQUEST_DENIED]]|}}
|examples=
|examples=
{{LSL Tip|Never ever forget to release a URL again which you have requested! URLs are region resources just like prims. If you take them all you can get into big trouble with the sim owner and/or estate managers.}}
This script requests a new URL after region restart:
<lsl>
string url;
key urlRequestId;
key selfCheckRequestId;
request_url()
{
    llReleaseURL(url);
    url = "";
    urlRequestId = llRequestURL();
}
throw_exception(string inputString)
{
    key owner = llGetOwner();
    llInstantMessage(owner, 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_INVENTORY))
        {
            llReleaseURL(url);
            url = "";
            llResetScript();
        }
        if (change & (CHANGED_REGION | CHANGED_REGION_START | CHANGED_TELEPORT))
            request_url();
    }
    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;
            key owner = llGetOwner();
            llLoadURL(owner, "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],
                                "");
    }
}
</lsl>
|functions=
|functions=
|events=
|events=

Revision as of 11:22, 8 October 2012

Description

Constant: string URL_REQUEST_GRANTED = "URL_REQUEST_GRANTED";

The string constant URL_REQUEST_GRANTED has the value "URL_REQUEST_GRANTED"

Related Articles

Constants

•  URL_REQUEST_DENIED

Events

•  http_request

Examples

KBcaution.png Important: Never ever forget to release a URL again which you have requested! URLs are region resources just like prims. If you take them all you can get into big trouble with the sim owner and/or estate managers.

This script requests a new URL after region restart: <lsl> string url; key urlRequestId; key selfCheckRequestId;

request_url() { 

   llReleaseURL(url);
   url = "";

   urlRequestId = llRequestURL();

}

throw_exception(string inputString) { 

   key owner = llGetOwner();
   llInstantMessage(owner, 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

Deep Notes

History

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Signature

string URL_REQUEST_GRANTED = "URL_REQUEST_GRANTED";
Retrieved from "https://wiki.secondlife.com/w/index.php?title=URL_REQUEST_GRANTED&oldid=1173250"