admin/iloveos
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

minor adjustment

Browse Source
This commit is contained in:
FactorialN 2023-12-01 18:25:34 -08:00
parent 9bd1825b6c
commit f1cfc5022e
1 changed files with 39 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
lib/files.cpp
View File

@ -301,9 +301,13 @@ int FilesOperation::fischl_getattr(const char *path, struct stat *stbuf, struct
if ((inode.metadata.permissions & S_IFMT) == S_IFDIR) {
stbuf->st_mode = S_IFDIR | 0755;
stbuf->st_nlink = inode.metadata.reference_count;
stbuf->st_uid = inode.metadata.uid;
stbuf->st_gid = inode.metadata.gid;
} else {
stbuf->st_mode = S_IFREG | 0444;
stbuf->st_nlink = inode.metadata.reference_count;
stbuf->st_uid = inode.metadata.uid;
stbuf->st_gid = inode.metadata.gid;
stbuf->st_size = inode.metadata.size;
}
perror(std::to_string(inode.metadata.size).c_str());
@ -662,6 +666,8 @@ int FilesOperation::insert_inode_to(u_int64_t parent_inode_number, const char* n
return 0;
}
// TODO: rename dir and rename fail
int FilesOperation::fischl_rename(const char *path, const char *new_name, unsigned int flags){
char *pathdup = strdup(path);
char *lastSlash = strrchr(pathdup, '/');
@ -693,14 +699,10 @@ int FilesOperation::fischl_rename(const char *path, const char *new_name, unsign
ent.deserialize(rw_buffer+i);
if (strcmp(ent.file_name, filename)==0) {
target_inode = ent.inode_number;
ent.inode_number = 0;
memset(ent.file_name, 0, sizeof(ent.file_name));
ent.serialize(rw_buffer+i);
break;
}
}
if (target_inode){
fs->write(&parent_INode, rw_buffer, IO_BLOCK_SIZE, idx*IO_BLOCK_SIZE);
break;
}
}
@ -710,7 +712,14 @@ int FilesOperation::fischl_rename(const char *path, const char *new_name, unsign
INode_Data ret;
ret.inode_num = target_inode;
fs->inode_manager->load_inode(&ret);
fischl_rm_entry(parent_filenode->subdirectory, filename);
if (flags == RENAME_EXCHANGE){
printf("RENAME_EXCHANGE ");
}
else if (flags == RENAME_NOREPLACE){
printf("RENAME_NOREPLACE ");
}
else printf("ELSE ");
printf("FOUND INODE AT %llu %s\n", target_inode, new_name);
char *pathdup2 = strdup(new_name);
@ -725,13 +734,34 @@ int FilesOperation::fischl_rename(const char *path, const char *new_name, unsign
free(pathdup2);
return -ENOENT;//parentpath directory does not exist
}
u_int64_t parent_inode_number = parent_filenode->inode_number;
u_int64_t parent_inode_number2 = parent_filenode2->inode_number;
//printf("%s, %llu, %s\n", parent_filenode->name, parent_inode_number, newDirname);
//make new inode
if(insert_inode_to(parent_inode_number, newDirname2, &ret)<0){
if(insert_inode_to(parent_inode_number2, newDirname2, &ret)<0){
return -1;
}
fischl_add_entry(parent_filenode->subdirectory, ret.inode_num, newDirname2, &ret);
for (u_int64_t idx=0; idx<parent_INode.metadata.size/IO_BLOCK_SIZE; idx++) {
fs->read(&parent_INode, rw_buffer, IO_BLOCK_SIZE, idx*IO_BLOCK_SIZE);
DirectoryEntry ent;
for(int i=0;i<=IO_BLOCK_SIZE-264;i+=264){
ent.deserialize(rw_buffer+i);
if (strcmp(ent.file_name, filename)==0) {
target_inode = ent.inode_number;
ent.inode_number = 0;
memset(ent.file_name, 0, sizeof(ent.file_name));
ent.serialize(rw_buffer+i);
break;
}
}
if (target_inode) {
fs->write(&parent_INode, rw_buffer, IO_BLOCK_SIZE, idx*IO_BLOCK_SIZE);
break;
}
}
fischl_rm_entry(parent_filenode->subdirectory, filename);
fischl_add_entry(parent_filenode2->subdirectory, ret.inode_num, newDirname2, &ret);
free(pathdup);
// remove node itself and from parent hash
free(pathdup2);