nsresult
nsPACMan::AsyncGetProxyForURI(nsIURI *uri, nsPACManCallback *callback)
{
NS_ENSURE_STATE(!mShutdown);
MaybeReloadPAC();
PendingPACQuery *query = new PendingPACQuery(this, uri, callback);
if (!query)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(query);
PR_APPEND_LINK(query, &mPendingQ);
// If we're waiting for the PAC file to load, then delay starting the query.
// See OnStreamComplete. However, if this is the PAC URI then query right
// away since we know the result will be DIRECT. We could shortcut some code
// in this case by issuing the callback directly from here, but that would
// require extra code, so we just go through the usual async code path.
int isPACURI = IsPACURI(uri);
if (IsLoading() && !isPACURI)
return NS_OK;
nsresult rv = query->Start(isPACURI ? 0 : nsIDNSService::RESOLVE_SPECULATE);
if (rv == NS_ERROR_DNS_LOOKUP_QUEUE_FULL && !isPACURI) {
query->OnLookupComplete(NULL, NULL, NS_OK);
rv = NS_OK;
} else if (NS_FAILED(rv)) {
NS_WARNING("failed to start PAC query");
PR_REMOVE_LINK(query);
NS_RELEASE(query);
}
return rv;
}
void
nsPACMan::ProcessPendingQ(nsresult status)
{
// Now, start any pending queries
PRCList *node = PR_LIST_HEAD(&mPendingQ);
while (node != &mPendingQ) {
PendingPACQuery *query = static_cast<PendingPACQuery *>(node);
node = PR_NEXT_LINK(node);
if (NS_SUCCEEDED(status)) {
// keep the query in the list (so we can complete it from Shutdown if
// necessary).
status = query->Start();
}
if (NS_FAILED(status)) {
// remove the query from the list
PR_REMOVE_LINK(query);
query->Complete(status, EmptyCString());
NS_RELEASE(query);
}
}
}
void
nsPACMan::ProcessPendingQ(nsresult status)
{
// Now, start any pending queries
PRCList *node = PR_LIST_HEAD(&mPendingQ);
while (node != &mPendingQ) {
PendingPACQuery *query = static_cast<PendingPACQuery *>(node);
node = PR_NEXT_LINK(node);
if (NS_SUCCEEDED(status)) {
// keep the query in the list (so we can complete it from Shutdown if
// necessary).
status = query->Start(nsIDNSService::RESOLVE_SPECULATE);
}
if (status == NS_ERROR_DNS_LOOKUP_QUEUE_FULL) {
query->OnLookupComplete(NULL, NULL, NS_OK);
status = NS_OK;
} else if (NS_FAILED(status)) {
// remove the query from the list
PR_REMOVE_LINK(query);
query->Complete(status, EmptyCString());
NS_RELEASE(query);
}
}
}
