MarkBase架构升级：Multi-Volume Virtual Tree + Dual-View Management + Git Remote修正
核心功能： - ✅ Categories/Series双视图管理（category_view.rs + import_markdown.rs） - ✅ FUSE Multi-Volume支持（tree_type参数） - ✅ SSH/SFTP/SCP/rsync协议完整实现（4042行） - ✅ NFS/SMB Module Phase 1-3完成 - ✅ Archive Module Phase 1-4完成（2916行） - ✅ Download Center API完整实现 - ✅ S3兼容API实现（560行） Git配置修正： - ✅ 删除错误origin（gitea.momentry.ddns.net） - ✅ 删除m5max128（指向机器名） - ✅ 设置origin = m5max128gitea.momentry.ddns.net/admin/markbase - ✅ 设置m4minigitea = m4minigitea.momentry.ddns.net/warren/markbase 数据清理： - ✅ 删除38个临时SQLite（保留accusys.sqlite、demo.sqlite） - ✅ 删除.bak、test_*.bin、调试脚本等临时文件 - ✅ 删除临时目录（build/、download files/、raid_test/等） - ✅ 更新.gitignore排除临时文件 架构优化： - 52个文件修改，2434行新增，4739行删除 - Workspace成员整合（16个crate） - 数据库状态：accusys.sqlite保留（主demo测试） 远程同步： - ✅ 准备推送到m5max128gitea（远程Gitea） - ✅ 准备推送到m4minigitea（本地Gitea）
This commit is contained in:
Warren
542
docs/fuse_poc/markbase_v11_fast.c
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542
docs/fuse_poc/markbase_v11_fast.c
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@@ -0,0 +1,542 @@
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#define FUSE_USE_VERSION 31
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#include <fuse3/fuse.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sqlite3.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/mman.h>
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static sqlite3 *db = NULL;
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static const char *db_path = "/Users/accusys/markbase/data/users/warren.sqlite";
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static pthread_mutex_t db_mutex = PTHREAD_MUTEX_INITIALIZER;
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// Optimized cache with mmap support
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typedef struct {
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char node_id[64];
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char file_path[512];
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long file_size;
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int access_count;
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time_t last_access;
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void *mmap_ptr; // mmap pointer for large files
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int mmap_fd;
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} FileCacheEntry;
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#define CACHE_SIZE 200
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#define MMAP_THRESHOLD 1048576 // 1MB threshold for mmap
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static FileCacheEntry file_cache[CACHE_SIZE];
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static int cache_count = 0;
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static pthread_mutex_t cache_mutex = PTHREAD_MUTEX_INITIALIZER;
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// Node info cache
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typedef struct {
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char node_id[64];
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char node_type[20];
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long file_size;
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char parent_id[64];
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} NodeCacheEntry;
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#define NODE_CACHE_SIZE 500
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static NodeCacheEntry node_cache[NODE_CACHE_SIZE];
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static int node_cache_count = 0;
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// Large read buffer (64KB)
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#define READ_BUFFER_SIZE 65536
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static int init_db() {
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pthread_mutex_lock(&db_mutex);
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int result = sqlite3_open_v2(db_path, &db,
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SQLITE_OPEN_READONLY | SQLITE_OPEN_NOMUTEX, NULL);
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pthread_mutex_unlock(&db_mutex);
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if (result != SQLITE_OK) {
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fprintf(stderr, "Cannot open database\n");
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return -1;
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}
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printf("Database opened (read-only optimized)\n");
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return 0;
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}
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static FileCacheEntry* cache_lookup(const char *node_id) {
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pthread_mutex_lock(&cache_mutex);
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for (int i = 0; i < cache_count; i++) {
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if (strcmp(file_cache[i].node_id, node_id) == 0) {
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file_cache[i].access_count++;
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file_cache[i].last_access = time(NULL);
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pthread_mutex_unlock(&cache_mutex);
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return &file_cache[i];
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}
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}
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pthread_mutex_unlock(&cache_mutex);
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return NULL;
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}
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static void cache_insert(const char *node_id, const char *file_path, long file_size) {
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pthread_mutex_lock(&cache_mutex);
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for (int i = 0; i < cache_count; i++) {
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if (strcmp(file_cache[i].node_id, node_id) == 0) {
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pthread_mutex_unlock(&cache_mutex);
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return;
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}
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}
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if (cache_count >= CACHE_SIZE) {
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int lru_index = 0;
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time_t oldest_time = file_cache[0].last_access;
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for (int i = 1; i < cache_count; i++) {
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if (file_cache[i].last_access < oldest_time) {
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oldest_time = file_cache[i].last_access;
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lru_index = i;
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}
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}
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// Unmap if mapped
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if (file_cache[lru_index].mmap_ptr) {
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munmap(file_cache[lru_index].mmap_ptr, file_cache[lru_index].file_size);
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close(file_cache[lru_index].mmap_fd);
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}
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strcpy(file_cache[lru_index].node_id, node_id);
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strcpy(file_cache[lru_index].file_path, file_path);
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file_cache[lru_index].file_size = file_size;
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file_cache[lru_index].access_count = 1;
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file_cache[lru_index].last_access = time(NULL);
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file_cache[lru_index].mmap_ptr = NULL;
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file_cache[lru_index].mmap_fd = -1;
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} else {
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strcpy(file_cache[cache_count].node_id, node_id);
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strcpy(file_cache[cache_count].file_path, file_path);
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file_cache[cache_count].file_size = file_size;
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file_cache[cache_count].access_count = 1;
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file_cache[cache_count].last_access = time(NULL);
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file_cache[cache_count].mmap_ptr = NULL;
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file_cache[cache_count].mmap_fd = -1;
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cache_count++;
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}
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pthread_mutex_unlock(&cache_mutex);
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}
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static NodeCacheEntry* node_cache_lookup(const char *node_id) {
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pthread_mutex_lock(&cache_mutex);
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for (int i = 0; i < node_cache_count; i++) {
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if (strcmp(node_cache[i].node_id, node_id) == 0) {
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pthread_mutex_unlock(&cache_mutex);
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return &node_cache[i];
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}
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}
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pthread_mutex_unlock(&cache_mutex);
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return NULL;
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}
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static void node_cache_insert(const char *node_id, const char *node_type,
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long file_size, const char *parent_id) {
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pthread_mutex_lock(&cache_mutex);
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if (node_cache_count < NODE_CACHE_SIZE) {
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strcpy(node_cache[node_cache_count].node_id, node_id);
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strcpy(node_cache[node_cache_count].node_type, node_type);
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node_cache[node_cache_count].file_size = file_size;
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if (parent_id) strcpy(node_cache[node_cache_count].parent_id, parent_id);
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else node_cache[node_cache_count].parent_id[0] = '\0';
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node_cache_count++;
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}
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pthread_mutex_unlock(&cache_mutex);
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}
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static void *mb_init(struct fuse_conn_info *conn, struct fuse_config *cfg) {
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(void) conn;
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cfg->kernel_cache = 1;
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init_db();
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// Pre-cache top 200 largest files (likely to be accessed)
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pthread_mutex_lock(&db_mutex);
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const char *sql = "SELECT f.file_uuid, l.location, f.file_size "
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"FROM file_nodes f "
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"JOIN file_locations l ON f.file_uuid = l.file_uuid "
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"WHERE f.file_size > ? "
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"ORDER BY f.file_size DESC LIMIT 200";
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) == SQLITE_OK) {
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sqlite3_bind_int64(stmt, 1, 1048576); // Files > 1MB
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int cached = 0;
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while (sqlite3_step(stmt) == SQLITE_ROW) {
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const char *file_uuid = (const char*)sqlite3_column_text(stmt, 0);
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const char *location = (const char*)sqlite3_column_text(stmt, 1);
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long file_size = sqlite3_column_int64(stmt, 2);
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cache_insert(file_uuid, location, file_size);
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cached++;
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}
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sqlite3_finalize(stmt);
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printf("Pre-cached %d large files (>1MB)\n", cached);
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}
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pthread_mutex_unlock(&db_mutex);
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return NULL;
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}
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static void mb_destroy(void *userdata) {
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(void) userdata;
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// Unmap all mapped files
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pthread_mutex_lock(&cache_mutex);
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for (int i = 0; i < cache_count; i++) {
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if (file_cache[i].mmap_ptr) {
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munmap(file_cache[i].mmap_ptr, file_cache[i].file_size);
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close(file_cache[i].mmap_fd);
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}
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}
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pthread_mutex_unlock(&cache_mutex);
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printf("Cache stats: %d files, %d nodes\n", cache_count, node_cache_count);
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if (db) {
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pthread_mutex_lock(&db_mutex);
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sqlite3_close(db);
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pthread_mutex_unlock(&db_mutex);
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}
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}
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static char* find_node_id(const char *path) {
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if (strcmp(path, "/") == 0) return NULL;
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char *path_copy = strdup(path);
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char *components[20];
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int depth = 0;
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char *token = strtok(path_copy + 1, "/");
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while (token && depth < 20) {
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components[depth++] = strdup(token);
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token = strtok(NULL, "/");
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}
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free(path_copy);
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if (depth == 0) return NULL;
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char *current_parent_id = NULL;
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pthread_mutex_lock(&db_mutex);
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for (int level = 0; level < depth; level++) {
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const char *sql;
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sqlite3_stmt *stmt;
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if (level == 0) {
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sql = "SELECT node_id, node_type, file_size, parent_id "
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"FROM file_nodes WHERE label = ? AND (parent_id IS NULL OR parent_id = '')";
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} else {
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sql = "SELECT node_id, node_type, file_size, parent_id "
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"FROM file_nodes WHERE label = ? AND parent_id = ?";
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}
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if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
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pthread_mutex_unlock(&db_mutex);
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for (int i = 0; i < depth; i++) free(components[i]);
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if (current_parent_id) free(current_parent_id);
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return NULL;
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}
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sqlite3_bind_text(stmt, 1, components[level], -1, SQLITE_STATIC);
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if (level > 0 && current_parent_id) {
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sqlite3_bind_text(stmt, 2, current_parent_id, -1, SQLITE_STATIC);
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}
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if (sqlite3_step(stmt) != SQLITE_ROW) {
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sqlite3_finalize(stmt);
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pthread_mutex_unlock(&db_mutex);
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for (int i = 0; i < depth; i++) free(components[i]);
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if (current_parent_id) free(current_parent_id);
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return NULL;
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}
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const char *found_node_id = (const char*)sqlite3_column_text(stmt, 0);
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const char *node_type = (const char*)sqlite3_column_text(stmt, 1);
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long file_size = sqlite3_column_int64(stmt, 2);
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const char *parent_id = (const char*)sqlite3_column_text(stmt, 3);
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node_cache_insert(found_node_id, node_type, file_size, parent_id);
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if (current_parent_id) free(current_parent_id);
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current_parent_id = strdup(found_node_id);
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sqlite3_finalize(stmt);
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}
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pthread_mutex_unlock(&db_mutex);
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for (int i = 0; i < depth; i++) free(components[i]);
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return current_parent_id;
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}
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static int mb_getattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi) {
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(void) fi;
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memset(stbuf, 0, sizeof(struct stat));
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if (strcmp(path, "/") == 0) {
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stbuf->st_mode = S_IFDIR | 0755;
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stbuf->st_nlink = 2;
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return 0;
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}
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char *node_id = find_node_id(path);
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if (!node_id) return -ENOENT;
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NodeCacheEntry *cached_node = node_cache_lookup(node_id);
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if (cached_node) {
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if (strcmp(cached_node->node_type, "folder") == 0) {
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stbuf->st_mode = S_IFDIR | 0755;
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stbuf->st_nlink = 2;
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} else {
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stbuf->st_mode = S_IFREG | 0444;
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stbuf->st_nlink = 1;
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stbuf->st_size = cached_node->file_size;
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}
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free(node_id);
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return 0;
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}
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pthread_mutex_lock(&db_mutex);
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const char *sql = "SELECT node_type, file_size FROM file_nodes WHERE node_id = ?";
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sqlite3_stmt *stmt;
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int result = -ENOENT;
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if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) == SQLITE_OK) {
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sqlite3_bind_text(stmt, 1, node_id, -1, SQLITE_STATIC);
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if (sqlite3_step(stmt) == SQLITE_ROW) {
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const char *node_type = (const char*)sqlite3_column_text(stmt, 0);
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long file_size = sqlite3_column_int64(stmt, 1);
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if (strcmp(node_type, "folder") == 0) {
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stbuf->st_mode = S_IFDIR | 0755;
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stbuf->st_nlink = 2;
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} else {
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stbuf->st_mode = S_IFREG | 0444;
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stbuf->st_nlink = 1;
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stbuf->st_size = file_size;
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}
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result = 0;
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}
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sqlite3_finalize(stmt);
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}
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pthread_mutex_unlock(&db_mutex);
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free(node_id);
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return result;
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}
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static int mb_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
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off_t offset, struct fuse_file_info *fi,
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enum fuse_readdir_flags flags) {
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(void) offset;
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(void) fi;
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(void) flags;
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filler(buf, ".", NULL, 0, FUSE_FILL_DIR_DEFAULTS);
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filler(buf, "..", NULL, 0, FUSE_FILL_DIR_DEFAULTS);
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pthread_mutex_lock(&db_mutex);
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|
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if (strcmp(path, "/") == 0) {
|
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const char *sql = "SELECT label FROM file_nodes WHERE parent_id IS NULL OR parent_id = ''";
|
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sqlite3_stmt *stmt;
|
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if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) == SQLITE_OK) {
|
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while (sqlite3_step(stmt) == SQLITE_ROW) {
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const char *label = (const char*)sqlite3_column_text(stmt, 0);
|
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if (label) filler(buf, label, NULL, 0, FUSE_FILL_DIR_DEFAULTS);
|
||||
}
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sqlite3_finalize(stmt);
|
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}
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pthread_mutex_unlock(&db_mutex);
|
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return 0;
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}
|
||||
|
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char *parent_node_id = find_node_id(path);
|
||||
if (!parent_node_id) {
|
||||
pthread_mutex_unlock(&db_mutex);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
const char *sql = "SELECT label FROM file_nodes WHERE parent_id = ?";
|
||||
sqlite3_stmt *stmt;
|
||||
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) == SQLITE_OK) {
|
||||
sqlite3_bind_text(stmt, 1, parent_node_id, -1, SQLITE_STATIC);
|
||||
while (sqlite3_step(stmt) == SQLITE_ROW) {
|
||||
const char *label = (const char*)sqlite3_column_text(stmt, 0);
|
||||
if (label) filler(buf, label, NULL, 0, FUSE_FILL_DIR_DEFAULTS);
|
||||
}
|
||||
sqlite3_finalize(stmt);
|
||||
}
|
||||
|
||||
pthread_mutex_unlock(&db_mutex);
|
||||
free(parent_node_id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mb_open(const char *path, struct fuse_file_info *fi) {
|
||||
if ((fi->flags & O_ACCMODE) != O_RDONLY) return -EACCES;
|
||||
char *node_id = find_node_id(path);
|
||||
if (!node_id) return -ENOENT;
|
||||
free(node_id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Optimized read with mmap for large files
|
||||
static int mb_read(const char *path, char *buf, size_t size, off_t offset,
|
||||
struct fuse_file_info *fi) {
|
||||
(void) fi;
|
||||
|
||||
char *node_id = find_node_id(path);
|
||||
if (!node_id) return -ENOENT;
|
||||
|
||||
FileCacheEntry *cached = cache_lookup(node_id);
|
||||
|
||||
// Use mmap for large files (>1MB)
|
||||
if (cached && cached->file_size > MMAP_THRESHOLD) {
|
||||
pthread_mutex_lock(&cache_mutex);
|
||||
|
||||
// mmap if not already mapped
|
||||
if (!cached->mmap_ptr) {
|
||||
int fd = open(cached->file_path, O_RDONLY);
|
||||
if (fd >= 0) {
|
||||
void *ptr = mmap(NULL, cached->file_size, PROT_READ, MAP_PRIVATE, fd, 0);
|
||||
if (ptr != MAP_FAILED) {
|
||||
cached->mmap_ptr = ptr;
|
||||
cached->mmap_fd = fd;
|
||||
} else {
|
||||
close(fd);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (cached->mmap_ptr) {
|
||||
// Read from mmap
|
||||
if (offset >= cached->file_size) {
|
||||
pthread_mutex_unlock(&cache_mutex);
|
||||
free(node_id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
size_t bytes_to_read = size;
|
||||
if (offset + size > cached->file_size) {
|
||||
bytes_to_read = cached->file_size - offset;
|
||||
}
|
||||
|
||||
memcpy(buf, cached->mmap_ptr + offset, bytes_to_read);
|
||||
|
||||
pthread_mutex_unlock(&cache_mutex);
|
||||
free(node_id);
|
||||
return bytes_to_read;
|
||||
}
|
||||
|
||||
pthread_mutex_unlock(&cache_mutex);
|
||||
}
|
||||
|
||||
// Use fread for small files or if mmap failed
|
||||
if (cached && strcmp(cached->file_path, "") != 0) {
|
||||
FILE *fp = fopen(cached->file_path, "rb");
|
||||
if (fp) {
|
||||
if (fseek(fp, offset, SEEK_SET) == 0) {
|
||||
// Read in large chunks (64KB)
|
||||
size_t total_read = 0;
|
||||
while (total_read < size) {
|
||||
size_t chunk_size = (size - total_read > READ_BUFFER_SIZE) ?
|
||||
READ_BUFFER_SIZE : size - total_read;
|
||||
size_t bytes_read = fread(buf + total_read, 1, chunk_size, fp);
|
||||
total_read += bytes_read;
|
||||
if (bytes_read < chunk_size) break; // EOF or error
|
||||
}
|
||||
fclose(fp);
|
||||
free(node_id);
|
||||
return total_read;
|
||||
}
|
||||
fclose(fp);
|
||||
}
|
||||
}
|
||||
|
||||
// Query from database if not cached
|
||||
pthread_mutex_lock(&db_mutex);
|
||||
const char *sql = "SELECT location FROM file_locations WHERE file_uuid = ? LIMIT 1";
|
||||
sqlite3_stmt *stmt;
|
||||
|
||||
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
|
||||
pthread_mutex_unlock(&db_mutex);
|
||||
free(node_id);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
sqlite3_bind_text(stmt, 1, node_id, -1, SQLITE_STATIC);
|
||||
|
||||
if (sqlite3_step(stmt) != SQLITE_ROW) {
|
||||
sqlite3_finalize(stmt);
|
||||
pthread_mutex_unlock(&db_mutex);
|
||||
free(node_id);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
const char *file_path = (const char*)sqlite3_column_text(stmt, 0);
|
||||
char *path_copy = strdup(file_path);
|
||||
|
||||
sqlite3_finalize(stmt);
|
||||
pthread_mutex_unlock(&db_mutex);
|
||||
|
||||
NodeCacheEntry *node_info = node_cache_lookup(node_id);
|
||||
if (node_info) {
|
||||
cache_insert(node_id, path_copy, node_info->file_size);
|
||||
}
|
||||
|
||||
free(node_id);
|
||||
|
||||
FILE *fp = fopen(path_copy, "rb");
|
||||
if (!fp) {
|
||||
free(path_copy);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
if (fseek(fp, offset, SEEK_SET) != 0) {
|
||||
fclose(fp);
|
||||
free(path_copy);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
size_t bytes_read = fread(buf, 1, size, fp);
|
||||
fclose(fp);
|
||||
free(path_copy);
|
||||
|
||||
return bytes_read;
|
||||
}
|
||||
|
||||
static const struct fuse_operations mb_oper = {
|
||||
.init = mb_init,
|
||||
.destroy = mb_destroy,
|
||||
.getattr = mb_getattr,
|
||||
.readdir = mb_readdir,
|
||||
.open = mb_open,
|
||||
.read = mb_read,
|
||||
};
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
printf("MarkBase FUSE v11.0 - Throughput Optimized\n");
|
||||
printf("==========================================\n");
|
||||
printf("Optimizations:\n");
|
||||
printf(" - mmap for large files (>1MB)\n");
|
||||
printf(" - Large read buffer (64KB)\n");
|
||||
printf(" - Pre-cache 200 large files\n");
|
||||
printf(" - Kernel caching enabled\n");
|
||||
printf(" - Thread-safe SQLite\n");
|
||||
printf("\n");
|
||||
|
||||
return fuse_main(argc, argv, &mb_oper, NULL);
|
||||
}
|
||||
Reference in New Issue
Block a user