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							149 lines
						
					
					
						
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				| /*  =========================================================================
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|     zdir - work with file-system directories
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| 
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|     Copyright (c) the Contributors as noted in the AUTHORS file.
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|     This file is part of CZMQ, the high-level C binding for 0MQ:
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|     http://czmq.zeromq.org.
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| 
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|     This Source Code Form is subject to the terms of the Mozilla Public
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|     License, v. 2.0. If a copy of the MPL was not distributed with this
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|     file, You can obtain one at http://mozilla.org/MPL/2.0/.
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|     =========================================================================
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| */
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| 
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| #ifndef __ZDIR_H_INCLUDED__
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| #define __ZDIR_H_INCLUDED__
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| //  @warning THE FOLLOWING @INTERFACE BLOCK IS AUTO-GENERATED BY ZPROJECT
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| //  @warning Please edit the model at "api/zdir.api" to make changes.
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| //  @interface
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| //  This is a stable class, and may not change except for emergencies. It
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| //  is provided in stable builds.
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| //  Create a new directory item that loads in the full tree of the specified
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| //  path, optionally located under some parent path. If parent is "-", then 
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| //  loads only the top-level directory, and does not use parent as a path.  
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| CZMQ_EXPORT zdir_t *
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|     zdir_new (const char *path, const char *parent);
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| 
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| //  Destroy a directory tree and all children it contains.
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| CZMQ_EXPORT void
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|     zdir_destroy (zdir_t **self_p);
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| 
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| //  Return directory path
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| CZMQ_EXPORT const char *
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|     zdir_path (zdir_t *self);
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| 
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| //  Return last modification time for directory.
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| CZMQ_EXPORT time_t
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|     zdir_modified (zdir_t *self);
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| 
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| //  Return total hierarchy size, in bytes of data contained in all files
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| //  in the directory tree.                                              
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| CZMQ_EXPORT off_t
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|     zdir_cursize (zdir_t *self);
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| 
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| //  Return directory count
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| CZMQ_EXPORT size_t
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|     zdir_count (zdir_t *self);
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| 
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| //  Returns a sorted list of zfile objects; Each entry in the list is a pointer
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| //  to a zfile_t item already allocated in the zdir tree. Do not destroy the   
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| //  original zdir tree until you are done with this list.                      
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| //  Caller owns return value and must destroy it when done.
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| CZMQ_EXPORT zlist_t *
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|     zdir_list (zdir_t *self);
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| 
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| //  Remove directory, optionally including all files that it contains, at  
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| //  all levels. If force is false, will only remove the directory if empty.
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| //  If force is true, will remove all files and all subdirectories.        
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| CZMQ_EXPORT void
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|     zdir_remove (zdir_t *self, bool force);
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| 
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| //  Calculate differences between two versions of a directory tree.    
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| //  Returns a list of zdir_patch_t patches. Either older or newer may  
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| //  be null, indicating the directory is empty/absent. If alias is set,
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| //  generates virtual filename (minus path, plus alias).               
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| //  Caller owns return value and must destroy it when done.
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| CZMQ_EXPORT zlist_t *
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|     zdir_diff (zdir_t *older, zdir_t *newer, const char *alias);
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| 
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| //  Return full contents of directory as a zdir_patch list.
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| //  Caller owns return value and must destroy it when done.
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| CZMQ_EXPORT zlist_t *
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|     zdir_resync (zdir_t *self, const char *alias);
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| 
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| //  Load directory cache; returns a hash table containing the SHA-1 digests
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| //  of every file in the tree. The cache is saved between runs in .cache.  
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| //  Caller owns return value and must destroy it when done.
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| CZMQ_EXPORT zhash_t *
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|     zdir_cache (zdir_t *self);
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| 
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| //  Print contents of directory to open stream
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| CZMQ_EXPORT void
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|     zdir_fprint (zdir_t *self, FILE *file, int indent);
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| 
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| //  Print contents of directory to stdout
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| CZMQ_EXPORT void
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|     zdir_print (zdir_t *self, int indent);
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| 
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| //  Create a new zdir_watch actor instance:                       
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| //                                                                
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| //      zactor_t *watch = zactor_new (zdir_watch, NULL);          
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| //                                                                
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| //  Destroy zdir_watch instance:                                  
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| //                                                                
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| //      zactor_destroy (&watch);                                  
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| //                                                                
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| //  Enable verbose logging of commands and activity:              
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| //                                                                
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| //      zstr_send (watch, "VERBOSE");                             
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| //                                                                
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| //  Subscribe to changes to a directory path:                     
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| //                                                                
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| //      zsock_send (watch, "ss", "SUBSCRIBE", "directory_path");  
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| //                                                                
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| //  Unsubscribe from changes to a directory path:                 
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| //                                                                
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| //      zsock_send (watch, "ss", "UNSUBSCRIBE", "directory_path");
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| //                                                                
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| //  Receive directory changes:                                    
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| //      zsock_recv (watch, "sp", &path, &patches);                
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| //                                                                
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| //      // Delete the received data.                              
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| //      free (path);                                              
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| //      zlist_destroy (&patches);                                 
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| CZMQ_EXPORT void
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|     zdir_watch (zsock_t *pipe, void *unused);
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| 
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| //  Self test of this class.
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| CZMQ_EXPORT void
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|     zdir_test (bool verbose);
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| 
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| //  @end
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| 
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| 
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| //  Returns a sorted array of zfile objects; returns a single block of memory,
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| //  that you destroy by calling zstr_free(). Each entry in the array is a pointer
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| //  to a zfile_t item already allocated in the zdir tree. The array ends with
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| //  a null pointer. Do not destroy the original zdir tree until you are done
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| //  with this array.
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| CZMQ_EXPORT zfile_t **
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|     zdir_flatten (zdir_t *self);
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| 
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| //  Free a provided string, and nullify the parent pointer. Safe to call on
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| //  a null pointer.
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| CZMQ_EXPORT void
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|     zdir_flatten_free (zfile_t ***files_p);
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| //  Deprecated method aliases
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| #define zdir_dump(s,i) zdir_print(s,i)
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| 
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| #endif
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| 
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