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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#ifndef CVMFS_UPLOAD_LOCAL_H_ |
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#define CVMFS_UPLOAD_LOCAL_H_ |
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#include <sys/stat.h> |
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#include <unistd.h> |
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#include <string> |
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#include "upload_facility.h" |
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#include "util/atomic.h" |
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#include "util/concurrency.h" |
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namespace upload { |
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struct LocalStreamHandle : public UploadStreamHandle { |
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LocalStreamHandle(const CallbackTN *commit_callback, const int tmp_fd, |
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const std::string &tmp_path) |
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: UploadStreamHandle(commit_callback), |
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file_descriptor(tmp_fd), |
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temporary_path(tmp_path) {} |
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const int file_descriptor; |
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const std::string temporary_path; |
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}; |
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/** |
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* The LocalSpooler implements the AbstractSpooler interface to push files |
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* into a local CVMFS repository backend. |
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* For a detailed description of the classes interface please have a look into |
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* the AbstractSpooler base class. |
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*/ |
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class LocalUploader : public AbstractUploader { |
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private: |
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static const mode_t default_backend_file_mode_ = 0666; |
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static const mode_t default_backend_dir_mode_ = 0777; |
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const mode_t backend_file_mode_; |
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const mode_t backend_dir_mode_; |
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public: |
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explicit LocalUploader(const SpoolerDefinition &spooler_definition); |
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static bool WillHandle(const SpoolerDefinition &spooler_definition); |
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virtual std::string name() const { return "Local"; } |
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virtual bool Create(); |
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/** |
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* Upload() is not done concurrently in the current implementation of the |
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* LocalSpooler, since it is a simple move or copy of a file without CPU |
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* intensive operation |
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* This method calls NotifyListeners and invokes a callback for all |
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* registered listeners (see the Observable template for details). |
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*/ |
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void DoUpload(const std::string &remote_path, |
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IngestionSource *source, |
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const CallbackTN *callback); |
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UploadStreamHandle *InitStreamedUpload(const CallbackTN *callback); |
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void StreamedUpload(UploadStreamHandle *handle, UploadBuffer buffer, |
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const CallbackTN *callback = NULL); |
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void FinalizeStreamedUpload(UploadStreamHandle *handle, |
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const shash::Any &content_hash); |
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void DoRemoveAsync(const std::string &file_to_delete); |
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bool Peek(const std::string &path); |
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bool Mkdir(const std::string &path); |
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bool PlaceBootstrappingShortcut(const shash::Any &object); |
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/** |
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* Determines the number of failed jobs in the LocalCompressionWorker as |
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* well as in the Upload() command. |
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*/ |
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unsigned int GetNumberOfErrors() const; |
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int64_t DoGetObjectSize(const std::string &file_name); |
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protected: |
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int Move(const std::string &local_path, const std::string &remote_path) const; |
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private: |
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// state information |
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const std::string upstream_path_; |
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const std::string temporary_path_; |
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mutable atomic_int32 copy_errors_; //!< counts the number of occurred |
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//!< errors in Upload() |
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}; |
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} // namespace upload |
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#endif // CVMFS_UPLOAD_LOCAL_H_ |
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