LCOV - code coverage report
Current view: top level - include/esys/repo/progress - consoleobserver.h (source / functions) Hit Total Coverage
Test: esysrepo_coverage.info Lines: 1 1 100.0 %
Date: 2026-08-01 10:43:40 Functions: 0 0 -

          Line data    Source code
       1             : /*!
       2             :  * \file esys/repo/progress/consoleobserver.h
       3             :  * \brief Plain-console SyncEvent observer (\\r status line)
       4             :  *
       5             :  * \cond
       6             :  * __legal_b__
       7             :  *
       8             :  * Copyright (c) 2026 Michel Gillet
       9             :  * Distributed under the MIT License.
      10             :  * (See accompanying file LICENSE.txt or
      11             :  * copy at https://opensource.org/licenses/MIT)
      12             :  *
      13             :  * __legal_e__
      14             :  * \endcond
      15             :  *
      16             :  */
      17             : 
      18             : #pragma once
      19             : 
      20             : #include "esys/repo/esysrepo_defs.h"
      21             : #include "esys/repo/progress/observer.h"
      22             : #include "esys/repo/progress/repophase.h"
      23             : #include "esys/repo/progress/transfercounters.h"
      24             : 
      25             : #include <cstddef>
      26             : #include <map>
      27             : #include <mutex>
      28             : #include <ostream>
      29             : #include <string>
      30             : 
      31             : namespace esys::repo::progress
      32             : {
      33             : 
      34             : /*! \class ConsoleObserver esys/repo/progress/consoleobserver.h
      35             :  * "esys/repo/progress/consoleobserver.h"
      36             :  * \brief Folds SyncEvents into the classic compact \\r status line
      37             :  *
      38             :  * Thread-safe: workers may call on_sync_event concurrently; format_status_line
      39             :  * may run from a redraw thread.
      40             :  */
      41             : class ESYSREPO_API ConsoleObserver : public Observer
      42             : {
      43             : public:
      44             :     //! Default constructor
      45             :     ConsoleObserver();
      46             : 
      47             :     //! Destructor
      48             :     ~ConsoleObserver() override;
      49             : 
      50             :     void on_sync_event(const SyncEvent &event) override;
      51             : 
      52             :     //! Enable or disable status-line updates (quiet / non-interactive)
      53             :     /*!
      54             :      * \param[in] enabled when false, format_status_line returns empty
      55             :      */
      56             :     void set_enabled(bool enabled);
      57             : 
      58             :     //! Whether status-line rendering is enabled
      59             :     /*!
      60             :      * \return true if enabled
      61             :      */
      62             :     bool get_enabled() const;
      63             : 
      64             :     //! Build the current compact status line (no leading \\r)
      65             :     /*!
      66             :      * \return status text, or empty if disabled / nothing running
      67             :      */
      68             :     std::string format_status_line() const;
      69             : 
      70             :     //! Write format_status_line() to the stream
      71             :     /*!
      72             :      * \param[out] os the output stream
      73             :      */
      74             :     void print_status_line(std::ostream &os) const;
      75             : 
      76             : private:
      77             :     //!< \cond DOXY_IMPL
      78         492 :     struct ActiveRepo
      79             :     {
      80             :         std::size_t m_repo_index = 0;
      81             :         RepoPhase m_phase = RepoPhase::NOT_SET;
      82             :         TransferCounters m_counters;
      83             :         int m_percentage = -1;
      84             :         bool m_done = false;
      85             :     };
      86             : 
      87             :     void apply_assigned(const RepoAssignedEvent &event);
      88             :     void apply_progress(const RepoProgressEvent &event);
      89             :     void apply_done(const RepoDoneEvent &event);
      90             :     void apply_failed(const RepoFailedEvent &event);
      91             : 
      92             :     void erase_repo(std::size_t repo_index);
      93             :     ActiveRepo *find_repo(std::size_t repo_index);
      94             :     static int percentage_from_counters(RepoPhase phase, const TransferCounters &counters);
      95             :     static int step_from_phase(RepoPhase phase);
      96             :     static void append_repo_token(std::ostream &os, const ActiveRepo &repo);
      97             : 
      98             :     mutable std::mutex m_mutex;
      99             :     bool m_enabled = true;
     100             :     //! Active repos keyed by worker id for stable slot order
     101             :     std::map<int, ActiveRepo> m_by_worker;
     102             :     //!< \endcond
     103             : };
     104             : 
     105             : } // namespace esys::repo::progress

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