struct MountsPublicInterface* mm_mount_bypath( const char* path ){
struct MountInfo* mount_info = mm_mountinfo_bypath(path);
if ( mount_info )
return mount_info->mount;
else
return NULL;
}
struct MountsPublicInterface* mm_mount_bypath( struct MountsManager *mounts_manager,
const char* path){
int located_mount_index;
struct MountInfo* mount_info = mm_mountinfo_bypath(mounts_manager, path, &located_mount_index);
(void)located_mount_index;
if ( mount_info )
return mount_info->mount;
else
return NULL;
}
int mm_mount_remove( struct MountsManager *mounts_manager,
const char* path ){
int located_index;
struct MountInfo* mount = mm_mountinfo_bypath( mounts_manager, path, &located_index );
if (mount!=NULL){
free(mount->mount);
free(mount->mount_path);
free(mount);
if ( DynArraySet(&mounts_manager->mount_items, located_index, NULL) != 0 )
return 0;
}
return -1; /*todo implement it*/
}
const char* mm_convert_path_to_mount(const char* full_path){
struct MountInfo* mount_info = mm_mountinfo_bypath( full_path );
if ( mount_info ){
if ( mount_info->mount->mount_id == EChannelsMountId ){
/*for channels mount do not use path transformation*/
return full_path;
}
else{
if ( strlen(mount_info->mount_path) == 1 && mount_info->mount_path[0] == '/' )
return full_path; /*use paths mounted on root '/' as is*/
else{
/*get path relative to mount path.
* for example: full_path="/tmp/fire", mount_path="/tmp", returned="/fire" */
return &full_path[ strlen( mount_info->mount_path ) ];
}
}
}
else
return NULL;
}
int mm_mount_add( struct MountsManager *mounts_manager,
const char* path,
struct MountsPublicInterface* filesystem_mount,
char expect_absolute_path){
/*check if the same mountpoint haven't used by another mount*/
int located_index;
struct MountInfo* existing_mount = mm_mountinfo_bypath( mounts_manager, path, &located_index );
if ( existing_mount && !strcmp(existing_mount->mount_path, path) ){
SET_ERRNO(EBUSY);
return -1;
}
(void)located_index;
/*create mount*/
struct MountInfo *new_mount_info = malloc(sizeof(struct MountInfo));
new_mount_info->mount_path = strdup(path);
new_mount_info->expect_absolute_path = expect_absolute_path;
new_mount_info->mount = filesystem_mount;
/*add mount*/
return ! DynArraySet( &mounts_manager->mount_items,
mounts_manager->mount_items.num_entries, new_mount_info );
}
const char* mm_convert_path_to_mount(struct MountsManager *mounts_manager,
const char* full_path){
int located_mount_index;
struct MountInfo* mount_info = mm_mountinfo_bypath( mounts_manager, full_path, &located_mount_index );
if ( mount_info ){
if ( mount_info->expect_absolute_path == EAbsolutePathExpected ){
/*for mounts which do not use path transformation*/
return full_path;
}
else{
if ( strlen(mount_info->mount_path) == 1 && mount_info->mount_path[0] == '/' )
return full_path; /*use paths mounted on root '/' as is*/
else{
/*get path relative to mount path.
* for example: full_path="/tmp/fire", mount_path="/tmp", returned="/fire" */
return &full_path[ strlen( mount_info->mount_path ) ];
}
}
}
else
return NULL;
}
