static int host(int argc, char *argv[]){
const char* host_name = MSG_host_get_name(MSG_host_self());
/* - Display information on the disks mounted by the current host */
XBT_INFO("*** Storage info on %s ***", host_name);
xbt_dict_cursor_t cursor = NULL;
char* mount_name;
char* storage_name;
msg_storage_t storage = NULL;
/* - Retrieve all mount points of current host */
xbt_dict_t storage_list = MSG_host_get_mounted_storage_list(MSG_host_self());
xbt_dict_foreach(storage_list,cursor,mount_name,storage_name) {
/* - For each disk mounted on host:
- Retrieve disk's information */
XBT_INFO("Storage name: %s, mount name: %s", storage_name, mount_name);
storage = MSG_storage_get_by_name(storage_name);
sg_size_t free_size = MSG_storage_get_free_size(storage);
sg_size_t used_size = MSG_storage_get_used_size(storage);
sg_size_t size = MSG_storage_get_size(storage);
XBT_INFO("Total size: %llu bytes", size);
XBT_INFO("Free size: %llu bytes", free_size);
XBT_INFO("Used size: %llu bytes", used_size);
}
JNIEXPORT jlong JNICALL Java_org_simgrid_msg_Storage_getSize(JNIEnv * env,jobject jstorage) {
msg_storage_t storage = jstorage_get_native(env, jstorage);
if (!storage) {
jxbt_throw_notbound(env, "storage", jstorage);
return -1;
}
return (jlong) MSG_storage_get_size(storage);
}
int host(int argc, char *argv[])
{
msg_file_t file = NULL;
sg_size_t read,write;
msg_storage_t st;
const char* st_name;
if(!strcmp(MSG_process_get_name(MSG_process_self()),"0")){
file = MSG_file_open(FILENAME1, NULL);
MSG_file_dump(file);
st_name = "Disk4";
} else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1")) {
file = MSG_file_open(FILENAME2, NULL);
st_name = "Disk2";
} else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2")){
file = MSG_file_open(FILENAME3, NULL);
st_name = "Disk3";
} else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3")){
file = MSG_file_open(FILENAME4, NULL);
st_name = "Disk1";
}
else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));
const char* filename = MSG_file_get_name(file);
XBT_INFO("\tOpen file '%s'",filename);
st = MSG_storage_get_by_name(st_name);
XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
/* Try to read for 10MB */
read = MSG_file_read(file, 10000000);
XBT_INFO("\tHave read %llu from '%s'",read,filename);
/* Write 100KB in file from the current position, i.e, end of file or 10MB */
write = MSG_file_write(file, 100000);
XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu",write,filename,
MSG_file_get_size(file));
XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
/* rewind to the beginning of the file */
XBT_INFO("\tComing back to the beginning of the stream for file '%s'",
filename);
MSG_file_seek(file, 0, SEEK_SET);
/* Try to read 110KB */
read = MSG_file_read(file, 110000);
XBT_INFO("\tHave read %llu from '%s' (of size %llu)",read,filename,
MSG_file_get_size(file));
/* rewind once again to the beginning of the file */
XBT_INFO("\tComing back to the beginning of the stream for file '%s'",
filename);
MSG_file_seek(file, 0, SEEK_SET);
/* Write 110KB in file from the current position, i.e, end of file or 10MB */
write = MSG_file_write(file, 110000);
XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write,filename,
MSG_file_get_size(file));
XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
XBT_INFO("\tClose file '%s'",filename);
MSG_file_close(file);
return 0;
}
