void Dispatcher::Pump() {
if (!Dispatcher::running_) return;
std::lock_guard<std::mutex> dispatchLock(dispatch_queue_mutex_);
for (auto i : *dispatch_events_) { // for every event
try {
// handle microsoft map implementation
if (mapped_events_->count(i.first) == 0) {
std::cerr << "Event \"" + i.first + "\" does not apply to any Subscribers." << std::endl;
continue;
}
for (auto obj : *(mapped_events_->at(i.first))) { // for every Subscriber* for that event
if (obj == nullptr) continue;
std::lock_guard<std::mutex> lock(thread_queue_mutex_); // unlocked on out-of-scope
if (obj->serialized) {
thread_queue_->push_back(std::pair<Subscriber*, std::shared_ptr<void>>(obj, i.second));
thread_signal_.notify_one();
} else {
nonserial_queue_->push_back(std::pair<Subscriber*, std::shared_ptr<void>>(obj, i.second));
}
}
} catch (std::string msg) {
// catch overflow for linux
std::cerr << "Event \"" + i.first + "\" does not apply to any Subscribers." << std::endl;
}
}
dispatch_events_->clear(); // we queued them all for processing so clear the cache
}
int GonkNativeWindowClient::perform(int operation, va_list args)
{
int res = NO_ERROR;
switch (operation) {
case NATIVE_WINDOW_CONNECT:
// deprecated. must return NO_ERROR.
break;
case NATIVE_WINDOW_DISCONNECT:
// deprecated. must return NO_ERROR.
break;
case NATIVE_WINDOW_SET_USAGE:
res = dispatchSetUsage(args);
break;
case NATIVE_WINDOW_SET_CROP:
res = dispatchSetCrop(args);
break;
case NATIVE_WINDOW_SET_BUFFER_COUNT:
res = dispatchSetBufferCount(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
res = dispatchSetBuffersGeometry(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
res = dispatchSetBuffersTransform(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
res = dispatchSetBuffersTimestamp(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS:
res = dispatchSetBuffersDimensions(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS:
res = dispatchSetBuffersUserDimensions(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_FORMAT:
res = dispatchSetBuffersFormat(args);
break;
case NATIVE_WINDOW_LOCK:
res = dispatchLock(args);
break;
case NATIVE_WINDOW_UNLOCK_AND_POST:
res = dispatchUnlockAndPost(args);
break;
case NATIVE_WINDOW_SET_SCALING_MODE:
res = dispatchSetScalingMode(args);
break;
case NATIVE_WINDOW_API_CONNECT:
res = dispatchConnect(args);
break;
case NATIVE_WINDOW_API_DISCONNECT:
res = dispatchDisconnect(args);
break;
default:
res = NAME_NOT_FOUND;
break;
}
return res;
}
int SurfaceTextureClient::perform(int operation, va_list args)
{
int res = NO_ERROR;
switch (operation) {
case NATIVE_WINDOW_CONNECT:
// deprecated. must return NO_ERROR.
break;
case NATIVE_WINDOW_DISCONNECT:
// deprecated. must return NO_ERROR.
break;
case NATIVE_WINDOW_SET_USAGE:
res = dispatchSetUsage(args);
break;
case NATIVE_WINDOW_SET_CROP:
res = dispatchSetCrop(args);
break;
case NATIVE_WINDOW_SET_BUFFER_COUNT:
res = dispatchSetBufferCount(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_GEOMETRY:
res = dispatchSetBuffersGeometry(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_TRANSFORM:
res = dispatchSetBuffersTransform(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP:
res = dispatchSetBuffersTimestamp(args);
break;
#ifdef OMAP_ENHANCEMENT_CPCAM
case NATIVE_WINDOW_SET_BUFFERS_METADATA:
res = dispatchSetBuffersMetadata(args);
break;
#endif
case NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS:
res = dispatchSetBuffersDimensions(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS:
res = dispatchSetBuffersUserDimensions(args);
break;
case NATIVE_WINDOW_SET_BUFFERS_FORMAT:
res = dispatchSetBuffersFormat(args);
break;
case NATIVE_WINDOW_LOCK:
res = dispatchLock(args);
break;
case NATIVE_WINDOW_UNLOCK_AND_POST:
res = dispatchUnlockAndPost(args);
break;
case NATIVE_WINDOW_SET_SCALING_MODE:
res = dispatchSetScalingMode(args);
break;
case NATIVE_WINDOW_API_CONNECT:
res = dispatchConnect(args);
break;
case NATIVE_WINDOW_API_DISCONNECT:
res = dispatchDisconnect(args);
break;
#ifdef OMAP_ENHANCEMENT_CPCAM
case NATIVE_WINDOW_UPDATE_AND_GET_CURRENT:
res = dispatchUpdateAndGetCurrent(args);
break;
case NATIVE_WINDOW_ADD_BUFFER_SLOT:
res = dispatchAddBufferSlot(args);
break;
case NATIVE_WINDOW_GET_ID:
res = dispatchGetId(args);
break;
case NATIVE_WINDOW_RELEASE_BUFFER:
res = dispatchReleaseBuffer(args);
break;
#endif
default:
res = NAME_NOT_FOUND;
break;
}
return res;
}
bool ShadowTree::tryCommit(ShadowTreeCommitTransaction transaction) const {
SystraceSection s("ShadowTree::tryCommit");
auto telemetry = MountingTelemetry{};
telemetry.willCommit();
SharedRootShadowNode oldRootShadowNode;
{
// Reading `rootShadowNode_` in shared manner.
std::shared_lock<better::shared_mutex> lock(commitMutex_);
oldRootShadowNode = rootShadowNode_;
}
UnsharedRootShadowNode newRootShadowNode = transaction(oldRootShadowNode);
if (!newRootShadowNode) {
return false;
}
std::vector<LayoutableShadowNode const *> affectedLayoutableNodes{};
affectedLayoutableNodes.reserve(1024);
telemetry.willLayout();
newRootShadowNode->layout(&affectedLayoutableNodes);
telemetry.didLayout();
newRootShadowNode->sealRecursive();
auto revisionNumber = ShadowTreeRevision::Number{};
{
// Updating `rootShadowNode_` in unique manner if it hasn't changed.
std::unique_lock<better::shared_mutex> lock(commitMutex_);
if (rootShadowNode_ != oldRootShadowNode) {
return false;
}
rootShadowNode_ = newRootShadowNode;
{
std::lock_guard<std::mutex> dispatchLock(EventEmitter::DispatchMutex());
updateMountedFlag(
oldRootShadowNode->getChildren(), newRootShadowNode->getChildren());
}
revisionNumber_++;
revisionNumber = revisionNumber_;
}
emitLayoutEvents(affectedLayoutableNodes);
telemetry.didCommit();
mountingCoordinator_->push(
ShadowTreeRevision{newRootShadowNode, revisionNumber, telemetry});
if (delegate_) {
delegate_->shadowTreeDidCommit(*this, mountingCoordinator_);
}
return true;
}
void Dispatcher::Pump() {
if (!running)
return;
std::vector<WorkPair> serialized;
std::vector<WorkPair> unserialized;
std::lock_guard<std::recursive_mutex> dispatchLock(dispatch_queue_mutex);
try {
for (auto i : *dispatch_events) {
// try is needed to handle linux map implementations
try {
CheckKey(i.first);
// DispatchImmediate(i.first, i.second);
// If there's nothing to deliver this event to just drop it
if (mapped_events->at(i.first)->size() == 0) {
return;
}
std::lock_guard<std::recursive_mutex> mapped_event_lock(mapped_event_mutex);
for (auto it = mapped_events->at(i.first)->begin(); it != mapped_events->at(i.first)->end(); it++) {
// Remove nullptr Subscriber* from the processing
if (*it == nullptr) {
it = mapped_events->at(i.first)->erase(it);
continue;
}
if ((*it)->_serialized) {
// thread_queue->push_back(std::pair<Subscriber*, std::shared_ptr<void>>(*it, eventData));
serialized.push_back(
std::pair<Subscriber*, std::shared_ptr<void>>(*it, i.second)); // coppying right now...
} else {
// nonserial_queue->push_back(std::pair<Subscriber*, std::shared_ptr<void>>(*it, eventData));
unserialized.push_back(
std::pair<Subscriber*, std::shared_ptr<void>>(*it, i.second)); // coppying right now...
}
}
} catch (std::string msg) {
std::cerr << "Internal Logic error in Dispatcher::Pump()" << std::endl << msg << std::endl;
}
}
} catch (std::string message) {
std::cerr << "Error in Dispatcher::Pump()" << std::endl << message << std::endl;
}
{ // scope control vs try-catch is preference
std::lock_guard<std::recursive_mutex> thread_queue_lock(thread_queue_mutex);
thread_queue->insert(thread_queue->end(), serialized.begin(), serialized.end());
}
{ // scope control vs try-catch is preference
std::lock_guard<std::recursive_mutex> nonserial_queue_lock(nonserial_queue_mutex);
nonserial_queue->insert(nonserial_queue->end(), unserialized.begin(), unserialized.end());
}
thread_signal.notify_all(); // it's possible we're in a pseudo-deadlock because the entire thread_queue
// wasn't consumed in 1 pass of the thread pool
// so wake up all the threads even if there are no new events to process
// but there's probably events because you're using a high performance event library...
dispatch_events->clear(); // we queued them all for processing so clear the cache
}
void Dispatcher::DispatchEvent(const EventType eventID, const WorkArguments eventData) {
std::lock_guard<std::recursive_mutex> dispatchLock(dispatch_queue_mutex);
dispatch_events->push_back(std::pair<EventType, WorkArguments>(eventID, eventData));
}
void Dispatcher::DispatchEvent(const EventType eventID, const std::shared_ptr<void> eventData) {
// std::cout << "Dispatcher ---> Received event " << eventID << "." << std::endl;
std::lock_guard<std::mutex> dispatchLock(dispatch_queue_mutex_);
dispatch_events_->push_back(std::pair<EventType, std::shared_ptr<void>>(eventID, eventData));
}