std::list<const LLToast*> LLScreenChannel::findToasts(const Matcher& matcher)
{
std::list<const LLToast*> res;
// collect stored toasts
for (std::vector<ToastElem>::iterator it = mStoredToastList.begin(); it
!= mStoredToastList.end(); it++)
{
const LLToast* toast = it->getToast();
if (toast && matcher.matches(toast->getNotification()))
{
res.push_back(toast);
}
}
// collect displayed toasts
for (std::vector<ToastElem>::iterator it = mToastList.begin(); it
!= mToastList.end(); it++)
{
const LLToast* toast = it->getToast();
if (toast && matcher.matches(toast->getNotification()))
{
res.push_back(toast);
}
}
return res;
}
void LLScreenChannel::closeHiddenToasts(const Matcher& matcher)
{
// since we can't guarantee that close toast operation doesn't change mToastList
// we collect matched toasts that should be closed into separate list
std::list<LLToast*> toasts;
for (std::vector<ToastElem>::iterator it = mToastList.begin(); it
!= mToastList.end(); it++)
{
LLToast* toast = it->getToast();
// add to list valid toast that match to provided matcher criteria
if (toast != NULL && !toast->isDead() && toast->getNotification() != NULL
&& !toast->getVisible() && matcher.matches(toast->getNotification()))
{
toasts.push_back(toast);
}
}
// close collected toasts
for (std::list<LLToast*>::iterator it = toasts.begin(); it
!= toasts.end(); it++)
{
LLToast* toast = *it;
toast->closeFloater();
}
}
void Scanner::doUntil(Matcher const & matcher, std::function<void(char)> before, std::function<void(char)> after)
{
if( ! is ) return;
int g;
while( (g = is.get()) != std::istream::traits_type::eof() ) {
char ch = g;
before(ch);
if( matcher.matches(ch) ) {
is.putback(ch);
break;
}
after(ch);
}
}
void LLNotifyBoxView::purgeMessagesMatching(const Matcher& matcher)
{
// Make a *copy* of the child list to iterate over
// since we'll be removing items from the real list as we go.
LLView::child_list_t notification_queue(*getChildList());
for(LLView::child_list_iter_t iter = notification_queue.begin();
iter != notification_queue.end();
iter++)
{
if (isGroupNotifyBox(*iter))
continue;
LLNotifyBox* notification = static_cast<LLNotifyBox*>(*iter);
if (matcher.matches(notification->getNotification()))
{
removeChild(notification);
}
}
}
bool run(OperationContext* txn,
const std::string& db,
BSONObj& cmdObj,
int options,
std::string& errmsg,
BSONObjBuilder& result) final {
const bool includeAll = cmdObj["$all"].trueValue();
const bool ownOpsOnly = cmdObj["$ownOps"].trueValue();
// Filter the output
BSONObj filter;
{
BSONObjBuilder b;
BSONObjIterator i(cmdObj);
invariant(i.more());
i.next(); // skip {currentOp: 1} which is required to be the first element
while (i.more()) {
BSONElement e = i.next();
if (str::equals("$all", e.fieldName())) {
continue;
} else if (str::equals("$ownOps", e.fieldName())) {
continue;
}
b.append(e);
}
filter = b.obj();
}
std::vector<BSONObj> inprogInfos;
BSONArrayBuilder inprogBuilder(result.subarrayStart("inprog"));
for (ServiceContext::LockedClientsCursor cursor(txn->getClient()->getServiceContext());
Client* client = cursor.next();) {
invariant(client);
stdx::lock_guard<Client> lk(*client);
if (ownOpsOnly &&
!AuthorizationSession::get(txn->getClient())->isCoauthorizedWithClient(client)) {
continue;
}
const OperationContext* opCtx = client->getOperationContext();
if (!includeAll) {
// Skip over inactive connections.
if (!opCtx)
continue;
}
BSONObjBuilder infoBuilder;
// The client information
client->reportState(infoBuilder);
const auto& clientMetadata =
ClientMetadataIsMasterState::get(client).getClientMetadata();
if (clientMetadata) {
auto appName = clientMetadata.get().getApplicationName();
if (!appName.empty()) {
infoBuilder.append("appName", appName);
}
}
// Operation context specific information
infoBuilder.appendBool("active", static_cast<bool>(opCtx));
if (opCtx) {
infoBuilder.append("opid", opCtx->getOpID());
if (opCtx->isKillPending()) {
infoBuilder.append("killPending", true);
}
CurOp::get(opCtx)->reportState(&infoBuilder);
// LockState
Locker::LockerInfo lockerInfo;
opCtx->lockState()->getLockerInfo(&lockerInfo);
fillLockerInfo(lockerInfo, infoBuilder);
}
// If we want to include all results or if the filter is empty, then we can append
// straight to the inprogBuilder, but otherwise we should run the filter Matcher
// outside this loop so we don't lock the ServiceContext while matching - in some cases
// this can cause deadlocks.
if (includeAll || filter.isEmpty()) {
inprogBuilder.append(infoBuilder.obj());
} else {
inprogInfos.emplace_back(infoBuilder.obj());
}
}
if (!inprogInfos.empty()) {
// We use ExtensionsCallbackReal here instead of ExtensionsCallbackNoop in order to
// support the use case of having a $where filter with currentOp. However, since we
// don't have a collection, we pass in a fake collection name (and this is okay,
// because $where parsing only relies on the database part of the namespace).
const NamespaceString fakeNS(db, "$dummyNamespaceForCurrop");
const Matcher matcher(filter, ExtensionsCallbackReal(txn, &fakeNS), nullptr);
for (const auto& info : inprogInfos) {
if (matcher.matches(info)) {
inprogBuilder.append(info);
}
}
}
inprogBuilder.done();
if (lockedForWriting()) {
result.append("fsyncLock", true);
result.append("info",
"use db.fsyncUnlock() to terminate the fsync write/snapshot lock");
}
return true;
}
bool run(OperationContext* txn,
const std::string& db,
BSONObj& cmdObj,
int options,
std::string& errmsg,
BSONObjBuilder& result) final {
const bool includeAll = cmdObj["$all"].trueValue();
const bool ownOpsOnly = cmdObj["$ownOps"].trueValue();
// Filter the output
BSONObj filter;
{
BSONObjBuilder b;
BSONObjIterator i(cmdObj);
invariant(i.more());
i.next(); // skip {currentOp: 1} which is required to be the first element
while (i.more()) {
BSONElement e = i.next();
if (str::equals("$all", e.fieldName())) {
continue;
} else if (str::equals("$ownOps", e.fieldName())) {
continue;
}
b.append(e);
}
filter = b.obj();
}
// We use ExtensionsCallbackReal here instead of ExtensionsCallbackNoop in order to support
// the use case of having a $where filter with currentOp. However, since we don't have a
// collection, we pass in a fake collection name (and this is okay, because $where parsing
// only relies on the database part of the namespace).
const NamespaceString fakeNS(db, "$cmd");
const CollatorInterface* collator = nullptr;
const Matcher matcher(filter, ExtensionsCallbackReal(txn, &fakeNS), collator);
BSONArrayBuilder inprogBuilder(result.subarrayStart("inprog"));
for (ServiceContext::LockedClientsCursor cursor(txn->getClient()->getServiceContext());
Client* client = cursor.next();) {
invariant(client);
stdx::lock_guard<Client> lk(*client);
if (ownOpsOnly &&
!AuthorizationSession::get(txn->getClient())->isCoauthorizedWithClient(client)) {
continue;
}
const OperationContext* opCtx = client->getOperationContext();
if (!includeAll) {
// Skip over inactive connections.
if (!opCtx)
continue;
}
BSONObjBuilder infoBuilder;
// The client information
client->reportState(infoBuilder);
// Operation context specific information
infoBuilder.appendBool("active", static_cast<bool>(opCtx));
if (opCtx) {
infoBuilder.append("opid", opCtx->getOpID());
if (opCtx->isKillPending()) {
infoBuilder.append("killPending", true);
}
CurOp::get(opCtx)->reportState(&infoBuilder);
// LockState
Locker::LockerInfo lockerInfo;
opCtx->lockState()->getLockerInfo(&lockerInfo);
fillLockerInfo(lockerInfo, infoBuilder);
}
infoBuilder.done();
const BSONObj info = infoBuilder.obj();
if (includeAll || matcher.matches(info)) {
inprogBuilder.append(info);
}
}
inprogBuilder.done();
if (lockedForWriting()) {
result.append("fsyncLock", true);
result.append("info",
"use db.fsyncUnlock() to terminate the fsync write/snapshot lock");
}
return true;
}