int _CreateFile(char* path,u32 perm,int mode)
{
/* 1) create cache file
* 2) create data_center file
* 3) init_file
* 4) open cache file with 'mode'
* */
int fd;
char dst_path[MAX_PATH];
get_cache_path(path,dst_path);
if((fd = creat(dst_path,perm)) == -1){
perror("create cache file");
return fd;
}
close(fd);
get_data_path(path,dst_path);
if((fd = creat(dst_path,perm)) == -1){
perror("create data center file");
return fd;
}
close(fd);
/* init file */
if(init_file(path) != 0){
fprintf(stderr,"init_file fail!\n");
return -1;
}
fd = open(dst_path,mode);
return fd;
}
void load_lib(char *filename) {
void (*init_module)();
char lib_full_path[PATH_MAX];
get_cache_path(filename, lib_full_path);
printf("lib_tools.c:load_lib() - Full path to load is %s, loading:\n",lib_full_path);
void* handle=dlopen(lib_full_path,RTLD_NOW|RTLD_GLOBAL);
if(handle==NULL) {
printf("lib_tools.c:load_lib() - dlopen() error: %s\n",dlerror());
}
#ifdef __linux
init_module = dlsym(handle,"init_module");
init_module();
#endif
}
int _OpenFile(char* path,int mode)
{
/* 1) open cache first,if ok,return opened fd
* 2) if cache file open fail,open dtc file instead*/
int fd;
char dst_path[MAX_PATH];
get_cache_path(path,dst_path);
if((fd = open(dst_path,mode)) == -1){
/* open dtc file */
perror("Open cache_file");
get_data_path(path,dst_path);
if((fd = open(dst_path,mode)) == -1){
perror("Open dtc_file");
}
}
return fd;
}
int _Remove(char* path)
{
/* 1) remove cache file
* 2) remove dtc file
* 3) remove md */
int rt = 0;
char dst_path[MAX_PATH];
get_cache_path(path,dst_path);
if((rt = remove(dst_path)) != 0){
perror("Remove cache file");
goto ret;
}
get_data_path(path,dst_path);
if((rt = remove(dst_path)) != 0){
perror("Remove data center file");
goto ret;
}
if(de_init_file(path) != 0){
rt = 1;
}
ret:
return rt;
}
