root/src/filemanager/fileopctx.h

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   1 /** \file fileopctx.h
   2  *  \brief Header: file operation contexts
   3  *  \date 1998
   4  *  \author Federico Mena <federico@nuclecu.unam.mx>
   5  *  \author Miguel de Icaza <miguel@nuclecu.unam.mx>
   6  */
   7 
   8 #ifndef MC__FILEOPCTX_H
   9 #define MC__FILEOPCTX_H
  10 
  11 #include <sys/stat.h>
  12 #include <sys/types.h>
  13 #include <inttypes.h>           /* uintmax_t */
  14 
  15 #include "lib/global.h"
  16 #include "lib/vfs/vfs.h"
  17 
  18 
  19 /*** typedefs(not structures) and defined constants **********************************************/
  20 
  21 typedef int (*mc_stat_fn) (const vfs_path_t * vpath, struct stat * buf);
  22 
  23 /*** enums ***************************************************************************************/
  24 
  25 typedef enum
  26 {
  27     FILEGUI_DIALOG_ONE_ITEM,
  28     FILEGUI_DIALOG_MULTI_ITEM,
  29     FILEGUI_DIALOG_DELETE_ITEM
  30 } filegui_dialog_type_t;
  31 
  32 typedef enum
  33 {
  34     OP_COPY = 0,
  35     OP_MOVE = 1,
  36     OP_DELETE = 2
  37 } FileOperation;
  38 
  39 typedef enum
  40 {
  41     RECURSIVE_YES = 0,
  42     RECURSIVE_NO = 1,
  43     RECURSIVE_ALWAYS = 2,
  44     RECURSIVE_NEVER = 3,
  45     RECURSIVE_ABORT = 4
  46 } FileCopyMode;
  47 
  48 /* ATTENTION: avoid overlapping with B_* values (lib/widget/dialog.h) */
  49 typedef enum
  50 {
  51     FILE_CONT = 10,
  52     FILE_RETRY,
  53     FILE_SKIP,
  54     FILE_ABORT,
  55     FILE_SKIPALL,
  56     FILE_SUSPEND
  57 } FileProgressStatus;
  58 
  59 /* First argument passed to real functions */
  60 enum OperationMode
  61 {
  62     Foreground,
  63     Background
  64 };
  65 
  66 /*** structures declarations (and typedefs of structures)*****************************************/
  67 
  68 struct mc_search_struct;
  69 
  70 /* This structure describes a context for file operations.  It is used to update
  71  * the progress windows and pass around options.
  72  */
  73 typedef struct
  74 {
  75     /* Operation type (copy, move, delete) */
  76     FileOperation operation;
  77 
  78     /* The estimated time of arrival in seconds */
  79     double eta_secs;
  80 
  81     /* Transferred bytes per second */
  82     long bps;
  83 
  84     /* Transferred seconds */
  85     long bps_time;
  86 
  87     /* Whether the panel total has been computed */
  88     gboolean progress_totals_computed;
  89     filegui_dialog_type_t dialog_type;
  90 
  91     /* Counters for progress indicators */
  92     size_t progress_count;
  93     uintmax_t progress_bytes;
  94 
  95     /* The value of the "preserve Attributes" checkbox in the copy file dialog.
  96      * We can't use the value of "ctx->preserve" because it can change in order
  97      * to preserve file attributs when moving files across filesystem boundaries
  98      * (we want to keep the value of the checkbox between copy operations).
  99      */
 100     gboolean op_preserve;
 101 
 102     /* Result from the recursive query */
 103     FileCopyMode recursive_result;
 104 
 105     /* Whether to do a reget */
 106     off_t do_reget;
 107 
 108     /* Controls appending to files */
 109     gboolean do_append;
 110 
 111     /* Whether to stat or lstat */
 112     gboolean follow_links;
 113 
 114     /* Pointer to the stat function we will use */
 115     mc_stat_fn stat_func;
 116 
 117     /* Whether to recompute symlinks */
 118     gboolean stable_symlinks;
 119 
 120     /* Preserve the original files' owner, group, permissions, and
 121      * timestamps (owner, group only as root).
 122      */
 123     gboolean preserve;
 124 
 125     /* If running as root, preserve the original uid/gid (we don't want to
 126      * try chown for non root) preserve_uidgid = preserve && uid == 0
 127      */
 128     gboolean preserve_uidgid;
 129 
 130     /* The bits to preserve in created files' modes on file copy */
 131     mode_t umask_kill;
 132 
 133     /* The mask of files to actually operate on */
 134     char *dest_mask;
 135 
 136     /* search handler */
 137     struct mc_search_struct *search_handle;
 138 
 139     /* Whether to dive into subdirectories for recursive operations */
 140     gboolean dive_into_subdirs;
 141 
 142     /* When moving directories cross filesystem boundaries delete the
 143      * successfully copied files when all files below the directory and its
 144      * subdirectories were processed.
 145      *
 146      * If erase_at_end is FALSE files will be deleted immediately after their
 147      * successful copy (Note: this behavior is not tested and at the moment
 148      * it can't be changed at runtime).
 149      */
 150     gboolean erase_at_end;
 151 
 152     /* PID of the child for background operations */
 153     pid_t pid;
 154 
 155     /* toggle if all errors should be ignored */
 156     gboolean skip_all;
 157 
 158     /* Whether the file operation is in pause */
 159     gboolean suspended;
 160 
 161     /* User interface data goes here */
 162     void *ui;
 163 } file_op_context_t;
 164 
 165 typedef struct
 166 {
 167     size_t progress_count;
 168     size_t prev_progress_count; /* Used in OP_MOVE between copy and remove directories */
 169     uintmax_t progress_bytes;
 170     uintmax_t copied_bytes;
 171     size_t bps;
 172     size_t bps_count;
 173     gint64 transfer_start;
 174     double eta_secs;
 175 
 176     gboolean ask_overwrite;
 177 } file_op_total_context_t;
 178 
 179 /*** global variables defined in .c file *********************************************************/
 180 
 181 extern const char *op_names[3];
 182 
 183 /*** declarations of public functions ************************************************************/
 184 
 185 file_op_context_t *file_op_context_new (FileOperation op);
 186 void file_op_context_destroy (file_op_context_t * ctx);
 187 
 188 file_op_total_context_t *file_op_total_context_new (void);
 189 void file_op_total_context_destroy (file_op_total_context_t * tctx);
 190 
 191 /* The following functions are implemented separately by each port */
 192 FileProgressStatus file_progress_real_query_replace (file_op_context_t * ctx,
 193                                                      enum OperationMode mode, const char *src,
 194                                                      struct stat *src_stat, const char *dst,
 195                                                      struct stat *dst_stat);
 196 
 197 /*** inline functions ****************************************************************************/
 198 #endif /* MC__FILEOPCTX_H */

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