merge changes from origin
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Ziao
commit
c49c1d2302
@ -19,7 +19,10 @@ typedef struct treeNode {
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FileNode *self_info; //self fileNode infromation
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} TreeNode;
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/*root directory have its own initialization, so parent wont be NULL*/
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/*for root*/
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TreeNode *fischl_init_entry(int new_inode_number, const char *fileName, INode *new_inode);
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/*the to be added file in add_entry should be parent-child relationship with treenode, otherwise will wrong */
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/*see Add_FindFiletest in dir_API.cpp*/
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int fischl_add_entry(TreeNode *parent, int new_inode_number, const char *fileName, INode *new_inode);
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int fischl_rm_entry(TreeNode *parent, const char *fileName);
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/*if want to use dir mode use the subdirectory treeNode pointer */
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@ -87,7 +87,7 @@ TreeNode *find_parentPath(TreeNode *root, const char *path) {
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file = lookupHash(current->contents, segment);
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if (file != NULL && file->subdirectory == NULL) {
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free(pathCopy);
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printf("status current directory %s\n",current->dirName);
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//printf("status current directory %s\n",current->dirName);
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return current; //File found
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}
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current = file ? file->subdirectory : NULL;
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@ -130,7 +130,7 @@ void freeTree(TreeNode *node) {
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freeTree(temp->subdirectory);
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}
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// Free the FileNode if it's not a directory
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printf("free who %s\n",temp->name);
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// printf("free who %s\n",temp->name);
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free(temp->name);
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free(temp);
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}
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@ -150,6 +150,20 @@ void freeTree(TreeNode *node) {
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/*********************************Direntry operation******************************************
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********************************************************************************************/
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//for fake root (mount point)
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TreeNode *fischl_init_entry(int new_inode_number, const char *fileName, INode *new_inode) {
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TreeNode *newDir = (TreeNode *)malloc(sizeof(TreeNode));
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newDir->dirName = strdup(fileName);
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newDir->contents = createHashTable(20);//hashSize define 20
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newDir->parent = newDir;
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FileNode *newFile = (FileNode *)malloc(sizeof(FileNode));
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newFile->name = strdup(fileName);
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newFile->inode_number = new_inode_number;
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newFile->permissions = new_inode->permissions;
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newDir->self_info = newFile;
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return newDir;
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}
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int fischl_add_entry(TreeNode *parent, int new_inode_number, const char *fileName, INode *new_inode){
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char *Name = strdup(fileName);
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TreeNode *newDir = NULL;
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@ -193,6 +207,17 @@ FileNode *fischl_find_entry(TreeNode *root, const char *path){
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FileNode *file = NULL;
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while (segment != NULL && current != NULL) {
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if (strcmp(segment, "..") == 0) {
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// Move up to the parent directory
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current = current->parent;
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if (current == NULL) {
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// If there's no parent, we've reached the top of the tree, but root itself is same
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break;
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}
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} else if (strcmp(segment, ".") == 0) {
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// Stay in the current directory (no action needed)
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}
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else{
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file = lookupHash(current->contents, segment);
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if (file != NULL && file->subdirectory == NULL) {
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free(pathCopy);
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@ -200,10 +225,16 @@ FileNode *fischl_find_entry(TreeNode *root, const char *path){
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//return current; return filenode
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}
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current = file ? file->subdirectory : NULL;
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}
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segment = strtok(NULL, "/");
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}
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free(pathCopy);
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if (current != NULL && file == NULL) {
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// If we've stopped at a directory and not a file, return the directory's self info
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return current->self_info;
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}
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return file; // NULL if not found
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//return current; return filenode
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}
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@ -26,6 +26,7 @@ add_executable(${TARGET_DIR_API}
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# Link Google Test to your test executables
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target_link_libraries(${TARGET_LAYER0} gtest gtest_main)
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target_link_libraries(${TARGET_LAYER1_API} gtest gtest_main)
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target_link_libraries(${TARGET_DIR_API} gtest gtest_main)
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# add test to activate ctest -VV
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add_test(NAME ${TARGET_LAYER0} COMMAND sudo ./${TARGET_LAYER0} ${DIR_PLACE})
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182
test/dir_API.cpp
182
test/dir_API.cpp
@ -8,94 +8,122 @@
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <gtest/gtest.h>
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#include "fs.h"
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#include "direntry.h"
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int main() {
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TreeNode *root = createDirectory("/", NULL, 20);
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INode inode_file1;
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fischl_add_entry(root, 2, "file1",&inode_file1);
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//I will put this function in create_new_inode function, there will inode number(2) when inode_allocate
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INode inode_dir1;
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//permission is necessary there to create treeNode or not
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u_int64_t ddd_permissions = 0;
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inode_dir1.permissions = ddd_permissions | S_IFDIR;
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fischl_add_entry(root, 3, "dir1",&inode_dir1);
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//find dir file (from root directory view, root contains dir1/ subdirectory)
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FileNode *get_dir1 = fischl_find_entry(root,"/dir1/");
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if(get_dir1 == NULL){
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printf("No dir1 under %s\n",root->dirName);
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return -1;
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}else{
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fprintf(stderr,"[%s ,%d]",__func__,__LINE__);
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printf(" %s under %s\n",get_dir1->name,root->dirName);
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const char* d;
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//global can be taken
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TreeNode *root;
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const char* target_filepath;
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const char* get_baseName(const char *filename){
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const char* base_name = strrchr(filename, '/');
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if (base_name != NULL) {
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base_name++; // Move past the '/' character
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} else {
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base_name = filename; // No '/' found, use the original string
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}
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//add file2 under dir1
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INode inode_file2;
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if(get_dir1->subdirectory != NULL){
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return base_name;
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}
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TEST(DirTest, root_test) {
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//Init fake root directory
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INode inode_root;
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u_int64_t file_permissions = 0;
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inode_root.permissions = file_permissions | S_IFDIR;
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root = fischl_init_entry(0, "/", &inode_root);//0 is inode number assigned by inode_allocate()
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}
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TEST(DirTest, AddFile_test) {
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//assume file and dir itself(content,metadata) same,but different name and inode number
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INode inode_file;
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INode inode_dir;
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u_int64_t file_permissions = 0;
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file_permissions = 0;
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inode_dir.permissions = file_permissions | S_IFDIR;
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fischl_add_entry(root, 2, "file1",&inode_file);
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fischl_add_entry(root, 3, "dir1",&inode_dir);
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}
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TEST(DirTest, FindFile_test) {
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//find file
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target_filepath = "/file1";
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FileNode *get_file = fischl_find_entry(root,target_filepath);
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name, get_baseName(target_filepath));
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//find dir
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target_filepath = "/dir1/";
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FileNode *get_dir = fischl_find_entry(root,target_filepath);
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "dir1");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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//check . function
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get_dir = fischl_find_entry(root,"./");
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "/");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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//check .. function
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get_dir = fischl_find_entry(root,"..");
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "/");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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}
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TEST(DirTest, Add_FindFile_test) {
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//add file and dir under subdirectory instead of root
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INode inode_file;
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INode inode_dir;
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u_int64_t file_permissions = 0;
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file_permissions = 0;
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inode_dir.permissions = file_permissions | S_IFDIR;
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/*add with subdirectory*/
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//Treenode dir(you cannot find here), you only can get Filenode dir based on fischl_find_entry Function
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//So use Filenode->subdirectory will point to the treenode dir, then can add files
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fischl_add_entry(get_dir1->subdirectory, 4, "file2",&inode_file2);
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printf("add file2 in dir1\n");
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}
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/**********************************************************/
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//This is for debugging, and demonstate to you
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TreeNode *get_dir1_tree = find_parentPath(root,"/dir1/file2");
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if(get_dir1_tree == get_dir1->subdirectory){
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fprintf(stderr,"[%s ,%d]",__func__,__LINE__);
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printf(" [Treenode]get_dir1_tree->dirName (%s) same [Filenode]get_dir1->name (%s)\n",get_dir1_tree->dirName,get_dir1->name);
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}else{
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printf("not same\n");
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}
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/**********************************************************/
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FileNode *get_dir = fischl_find_entry(root,"/dir1/");
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fischl_add_entry(get_dir->subdirectory, 4, "file2",&inode_file);
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//verfication treeNode and Filenode relationship
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TreeNode *get_dir_tree = find_parentPath(root,"/dir1/file2");
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ASSERT_TRUE(get_dir_tree == get_dir->subdirectory);//treeNode dir should be same as treeNode subdir in that Filenode
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//two Ways to get File(include dir itself) information
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FileNode *get_file2 =NULL;
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FileNode *get_file = NULL;
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//1. absolute path, the root(treeNode) will always exist when initialize
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get_file2 = fischl_find_entry(root,"/dir1/file2");
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if(get_file2 == NULL){
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printf("No dir1 under dir1\n");
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return -1;
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}else{
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fprintf(stderr,"[%s ,%d]",__func__,__LINE__);
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printf(" %s under %sdir1/\n",get_file2->name,root->dirName);
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}
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get_file = fischl_find_entry(root,"/dir1/file2");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file2");
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//2. relative path, the get_dir1(FileNode)->subdirectory(treeNode), use treeNode(dir) to find
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get_file2 = fischl_find_entry(get_dir1->subdirectory,"/file2");
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if(get_file2 == NULL){
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printf("No dir1 under %s\n",get_dir1->subdirectory->dirName);
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return -1;
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}else{
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fprintf(stderr,"[%s ,%d]",__func__,__LINE__);
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printf(" %s under %s\n",get_file2->name,get_dir1->subdirectory->dirName);
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}
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get_file = fischl_find_entry(get_dir->subdirectory,"/file2");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file2");
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/**********************************************************/
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//add one more file under dir1
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INode inode_file3;
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if(get_dir1->subdirectory != NULL){
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fischl_add_entry(get_dir1_tree, 5, "file3",&inode_file3);
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printf("add file3 in dir1\n");
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}
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FileNode *get_file3 =NULL;
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//fischl_find_entry(get_dir1->subdirectory,"/file3"); are equivalent
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get_file3 = fischl_find_entry(get_dir1_tree,"/file3");
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if(get_file3 == NULL){
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printf("No dir1 under %s\n",get_dir1_tree->dirName);
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return -1;
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}else{
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printf(" %s under %s\n",get_file3->name,get_dir1_tree->dirName);
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}
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// pressure test
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INode inode_fileN;
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for(int i=6;i<100;i++) {
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fischl_add_entry(get_dir1_tree, i, (std::string("file")+std::to_string(i)).c_str(), &inode_fileN);
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}
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for(int i=6;i<100;i++){
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FileNode *get_fileN = fischl_find_entry(get_dir1_tree, (std::string("file")+std::to_string(i)).c_str());
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assert(get_fileN != NULL);
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assert(get_fileN->inode_number == i);
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}
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fischl_add_entry(get_dir->subdirectory, 5, "file3",&inode_file);
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//find
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get_file = fischl_find_entry(get_dir->subdirectory,"./file3");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file3");
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//use .. from dir1 to find file1
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get_file = fischl_find_entry(get_dir->subdirectory,"../file1");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file1");
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//check dir1 with .
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get_dir = fischl_find_entry(get_dir->subdirectory,".");
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "dir1");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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//check root with dir1
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get_dir = fischl_find_entry(get_dir->subdirectory,"..");
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "/");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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}
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int main(int argc, char **argv) {
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d = (argc < 2) ? "/dev/vdc" : argv[1];//how to do with this?
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::testing::InitGoogleTest(&argc, argv);
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int result = RUN_ALL_TESTS();
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// Cleanup
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freeTree(root);
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return 0;
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return result;
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}
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