/** Change the size of a file */
int atmos_truncate(const char *path, off_t newsize)
{
int retstat = 0;
char fpath[PATH_MAX];
log_msg("\natmos_truncate(path=\"%s\", newsize=%lld)\n",
path, newsize);
atmos_fullpath(fpath, path);
if(newsize == 0) {
ws_result result;
//update_ns(ATMOS_DATA->c, fpath, NULL,NULL, NULL, NULL, &result);
delete_ns(ATMOS_DATA->c, fpath,&result);
log_msg("%s\t\n", result.response_body);
if(204 == result.return_code ) {
ws_result wsr;
retstat = 0;
create_ns(ATMOS_DATA->c, fpath, NULL, NULL, NULL, &wsr);
result_deinit(&wsr);
} else {
retstat = -1;
}
result_deinit(&result);
}
//retstat = truncate(fpath, newsize);
if (retstat < 0)
atmos_error("atmos_truncate truncate");
return retstat;
}
// The parameters here are a little bit confusing, but do correspond
// to the symlink() system call. The 'path' is where the link points,
// while the 'link' is the link itself. So we need to leave the path
// unaltered, but insert the link into the mounted directory.
int atmos_symlink(const char *path, const char *link)
{
int retstat = 0;
ws_result wsr;
char fpath[PATH_MAX];
sprintf(fpath, "%s%s",ATMOS_DATA->rootdir,link);
log_msg("\natmos_symlink(path=\"%s\", link=\"%s\")\n",
path, link);
create_ns(ATMOS_DATA->c, fpath, NULL, NULL, NULL, &wsr);
log_msg("%s\t\n", wsr.response_body);
//FIXME also needs metadata symlink=true
if(201 == wsr.return_code ) {
postdata *pd = malloc(sizeof(postdata));
memset(pd, 0, sizeof(postdata));
retstat = 0;
result_deinit(&wsr);
strcpy(pd->data, link);
pd->body_size = strlen(link);
update_ns(ATMOS_DATA->c, fpath, NULL, NULL, pd,NULL, &wsr);
if (200 == wsr.return_code) {
retstat = 0;
} else {
retstat = -1;
}
result_deinit(&wsr);
} else {
retstat = -1;
}
return retstat;
}
// shouldn't that comment be "if" there is no.... ?
//set special ness in user meta???
//FIXME
int atmos_mknod(const char *path, mode_t mode, dev_t dev)
{
int retstat = 0;
log_msg("\natmos_mknod(path=\"%s\", mode=0%3o, dev=%lld)\n",
path, mode, dev);
ws_result wsr;
struct fuse_context * fc;
char fpath[PATH_MAX];
sprintf(fpath, "%s%s",ATMOS_DATA->rootdir, path);
fc = fuse_get_context();
log_msg("\natmos_mknod(path=\"%s\", mode=0%3o)\n", path, mode);
create_ns(ATMOS_DATA->c, fpath, NULL, NULL, NULL, &wsr);
log_msg("atmos_mknod %s\t\n", wsr.response_body);
if(201 == wsr.return_code ) {
retstat = 0;
} else {
retstat = -1;
}
result_deinit(&wsr);
return retstat;
}
static int enter_or_create_ns(const char *statedir, const char *name)
{
int fd;
pid_t pid = read_pid(statedir);
if (pid <= 0 || kill(pid, 0)) {
fd = create_ns(statedir, name);
} else {
/* Prevent destroy/join races by connecting first */
fd = connect_to_watcher(statedir);
if (fd < 0)
fd = create_ns(statedir, name);
else
enter_all(pid);
}
return fd;
}
int main() {
if(SERVER){
create_ns("namespace001");
printf("Namespace created, configuring interfaces:\n");
system("ip link add veth0 type veth peer name veth1");
system("ip a s");
create_sctp_sock();
while(1){
sleep(20);
}
}
}
int main(int argc, char *argv[])
{
int i;
int fuse_stat;
struct atmos_state *atmos_data;
ws_result wsr;
static int opt_binary= 0;
//setup memcaceh
atmos_data = calloc(sizeof(struct atmos_state), 1);
atmos_data->attr_cache = memcached_create(NULL);
memcached_server_st *servers= memcached_servers_parse("localhost");
memcached_server_push(atmos_data->attr_cache, servers);
memcached_server_list_free(servers);
memcached_behavior_set(atmos_data->attr_cache, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
(uint64_t)opt_binary);
if (atmos_data == NULL) {
perror("main calloc");
abort();
}
atmos_data->logfile = log_open();
// libfuse is able to do most of the command line parsing; all I
// need to do is to extract the rootdir; this will be the first
// non-option passed in. I'm using the GNU non-standard extension
// and having realpath malloc the space for the path
// the string.
for (i = 1; (i < argc) && (argv[i][0] == '-'); i++);
if (i == argc)
atmos_usage();
atmos_data->rootdir = "/FUSETEST";
for (; i < argc; i++)
argv[i] = argv[i+1];
argc--;
static const char *user_id = "mail";
static const char *key = "w7mxRvPlDYUkA4J6uTuItfUS1u4=";
static const char *endpoint = "10.241.38.90"; //*/
/* static const char *user_id = "0e069767430c4d37997853b058eb0af8/EMC007A49DEEA84C837E";
static const char *key ="YlVdJFb03nYtXZk0lk0KjQplVcI=";
static const char *endpoint ="accesspoint.emccis.com";//*/
atmos_data->c = init_ws(user_id, key, endpoint);
create_ns(atmos_data->c, "/FUSETEST/",NULL, NULL, NULL, &wsr);
fprintf(stderr, "atmos setup to receive fuse %d\n", wsr.return_code);
result_deinit(&wsr);
fprintf(stderr, "about to call fuse_main\n");
fuse_stat = fuse_main(argc, argv, &atmos_oper, atmos_data);
fprintf(stderr, "fuse_main returned %d\n", fuse_stat);
return fuse_stat;
}
