83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
#pragma once // ensure that a given header file is included only once in a
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// single compilation unit
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#include "arena.h"
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#include "base.h"
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#include "lf_mpmc.h"
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#include "arena.c"
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// ----------------------------- Config -------------------------------------
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#define FILE_HASHES_TXT "file_hashes.txt"
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#define HASH_STRLEN 33 // 128-bit hex (32 chars) + null
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#define MAX_PATHLEN 4096
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#define READ_BLOCK (64 * 1024) // 64KB blocks
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// ----------------------------- Data types ---------------------------------
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typedef struct FileEntry {
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char *path;
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uint64_t size_bytes;
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uint64_t created_time; // epoch
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uint64_t modified_time; // epoch seconds
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char owner[128]; // resolved owner name
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} FileEntry;
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void platform_get_file_times(const char *path, uint64_t *out_created,
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uint64_t *out_modified);
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void platform_get_file_owner(const char *path, char *out_owner,
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size_t out_owner_size);
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/* scan folder timer*/
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typedef struct {
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LARGE_INTEGER start;
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LARGE_INTEGER end;
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} HiResTimer;
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static LARGE_INTEGER g_qpc_freq;
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static void timer_init(void) { QueryPerformanceFrequency(&g_qpc_freq); }
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static void timer_start(HiResTimer *t) { QueryPerformanceCounter(&t->start); }
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static double timer_stop(HiResTimer *t) {
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QueryPerformanceCounter(&t->end);
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return (double)(t->end.QuadPart - t->start.QuadPart) /
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(double)g_qpc_freq.QuadPart;
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}
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// MPMC Queue
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static MPMCQueue g_file_queue;
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typedef struct {
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MPMCQueue *queue;
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mem_arena *arena;
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} WorkerContext;
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/* Scan folders */
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typedef struct DirQueue DirQueue;
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void scan_folder_windows_parallel(const char *base, DirQueue *q);
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void scan_folder_posix_parallel(const char *base, DirQueue *q);
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typedef struct DirJob {
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char *path;
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struct DirJob *next;
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} DirJob;
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typedef struct DirQueue {
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char **items;
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size_t count;
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size_t cap;
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size_t active;
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int stop;
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#if PLATFORM_WINDOWS
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CRITICAL_SECTION cs;
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CONDITION_VARIABLE cv;
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#else
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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#endif
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} DirQueue;
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