static IntPtr CFNetworkCopyProxiesForAutoConfigurationScript(IntPtr proxyAutoConfigurationScript, IntPtr targetURL, out IntPtr error)
{
// This method must only be called on only one thread during an application's life time.
// Note that it's not enough to use a lock to make calls sequential across different threads,
// it has to be one thread. Also note that that thread can't be the main thread, because the
// main thread might be blocking waiting for this network request to finish.
// Another possibility would be to use JavaScriptCore to execute this piece of
// javascript ourselves, but unfortunately it's not available before iOS7.
// See bug #7923 comment #21+.
using (var data = new GetProxyData()) {
data.script = proxyAutoConfigurationScript;
data.targetUri = targetURL;
lock (lock_obj) {
if (get_proxy_queue == null)
{
get_proxy_queue = new Queue <GetProxyData> ();
proxy_event = new AutoResetEvent(false);
new Thread(CFNetworkCopyProxiesForAutoConfigurationScriptThread)
{
IsBackground = true,
}.Start();
}
get_proxy_queue.Enqueue(data);
proxy_event.Set();
}
data.evt.WaitOne();
error = data.error;
return(data.result);
}
}
static IntPtr CFNetworkCopyProxiesForAutoConfigurationScript (IntPtr proxyAutoConfigurationScript, IntPtr targetURL, out IntPtr error)
{
// This method must only be called on only one thread during an application's life time.
// Note that it's not enough to use a lock to make calls sequential across different threads,
// it has to be one thread. Also note that that thread can't be the main thread, because the
// main thread might be blocking waiting for this network request to finish.
// Another possibility would be to use JavaScriptCore to execute this piece of
// javascript ourselves, but unfortunately it's not available before iOS7.
// See bug #7923 comment #21+.
using (var data = new GetProxyData ()) {
data.script = proxyAutoConfigurationScript;
data.targetUri = targetURL;
lock (lock_obj) {
if (get_proxy_queue == null) {
get_proxy_queue = new Queue<GetProxyData> ();
proxy_event = new AutoResetEvent (false);
new Thread (CFNetworkCopyProxiesForAutoConfigurationScriptThread) {
IsBackground = true,
}.Start ();
}
get_proxy_queue.Enqueue (data);
proxy_event.Set ();
}
data.evt.WaitOne ();
error = data.error;
return data.result;
}
}