Grcov report - watched

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#include "source/common/config/watched_directory.h"

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namespace Envoy {

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namespace Config {

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absl::StatusOr<std::unique_ptr<WatchedDirectory>>

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WatchedDirectory::create(const envoy::config::core::v3::WatchedDirectory& config,

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                         Event::Dispatcher& dispatcher) {

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  absl::Status creation_status = absl::OkStatus();

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  auto ret =

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      std::unique_ptr<WatchedDirectory>(new WatchedDirectory(config, dispatcher, creation_status));

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  RETURN_IF_NOT_OK_REF(creation_status);

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  return ret;

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WatchedDirectory::WatchedDirectory(const envoy::config::core::v3::WatchedDirectory& config,

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                                   Event::Dispatcher& dispatcher, absl::Status& creation_status) {

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  watcher_ = dispatcher.createFilesystemWatcher();

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  SET_AND_RETURN_IF_NOT_OK(watcher_->addWatch(absl::StrCat(config.path(), "/"),

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                                              Filesystem::Watcher::Events::MovedTo,

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                                              [this](uint32_t) {

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                                                // Check if callback is set before invoking to avoid

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                                                // crash if watch triggers before setCallback().

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                                                if (cb_) {

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                                                  return cb_();

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                                                return absl::OkStatus();

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}),

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                           creation_status);

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} // namespace Config

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} // namespace Envoy