qioerr hdfs_locales_for_range(void* file, off_t start_byte, off_t end_byte, const char*** loc_names_out, int* num_locs_out, void* fs)
{
int i = 0;
int j = 0;
char*** info = NULL;
info = hdfsGetHosts(to_hdfs_fs(fs)->hfs, to_hdfs_file(file)->pathnm, start_byte, end_byte);
// unable to get hosts for this byte range
if (!info || !info[0]) {
*num_locs_out = 0;
hdfsFreeHosts(info);
QIO_RETURN_CONSTANT_ERROR(EREMOTEIO, "Unable to get owners for byterange");
}
while(info[0][i]) {
info[0][i] = get_locale_name(info[0][i]);
i++;
}
*num_locs_out = i - 1;
*loc_names_out = (const char**)info[0];
// Free the other hosts that we don't need
for (i = 1; info[i]; i++) {
for (j = 0; info[i][j]; j++)
qio_free(info[i][j]);
qio_free(info[i]);
}
return 0;
}
qioerr hdfs_get_owners_for_bytes(qio_file_t* file, hdfs_block_byte_map_t** locs, int* out_num_blocks, char** locale_array, int num_locales, off_t start_byte, off_t len)
{
int i;
int j = 0;
int k;
qioerr err = 0;
char* tmp;
int rnd;
int block_count = 0;
hdfs_block_byte_map_t* loc = NULL;
char*** info = NULL;
hdfsFileInfo* f_info = hdfsGetPathInfo(to_hdfs_fs(file->fs_info)->hfs, to_hdfs_file(file->file_info)->pathnm);
if (start_byte == 0 && len == -1) // We want the whole thing
info = hdfsGetHosts(to_hdfs_fs(file->fs_info)->hfs, to_hdfs_file(file->file_info)->pathnm, start_byte, f_info->mSize);
else info = hdfsGetHosts(to_hdfs_fs(file->fs_info)->hfs, to_hdfs_file(file->file_info)->pathnm, start_byte, start_byte + len);
while(info[block_count] != NULL) { // Get the number of blocks that we have
block_count++;
}
loc = (hdfs_block_byte_map_t*)qio_calloc(sizeof(hdfs_block_byte_map_t), block_count);
CREATE_ERROR((!info), err, EREMOTEIO, "Unable to get host for HDFS", end);
for (i = 0; info[i] != NULL; i++) { // Assign block owners
rnd = rand() % f_info->mReplication; // pick an owner
if (info[i][rnd]) {// Valid access
tmp = get_locale_name(info[i][rnd]); // strip off .___
for (k = 0; k < num_locales; k++) { // Now find the owner
if (strcmp(tmp, locale_array[k]) == 0) {
loc[i].locale_id = k; // return locale ID for that name
break;
}
}
loc[i].start_byte = (off_t)(i*f_info->mBlockSize);
loc[i].len = (off_t)(f_info->mBlockSize);
j++;
} else {
QIO_GET_CONSTANT_ERROR(err, EINVAL, "Unable to find address for blocks in hdfs_get_owners_for_bytes");
qio_free(loc);
*locs = NULL;
*out_num_blocks = 0;
goto end;
}
}
*locs = loc;
*out_num_blocks = j;
end:
return err;
}
static void
ls_build_menu (GOLocaleSel *ls)
{
GtkWidget *item;
GtkMenu *menu;
LGroupInfo const *lgroup = lgroups;
gint lg_cnt = 0;
menu = GTK_MENU (gtk_menu_new ());
while (lgroup->group_name) {
LocaleInfo const *locale_trans;
GtkMenu *submenu = NULL;
locale_trans = locale_trans_array;
while (locale_trans->lgroup != LG_LAST) {
if (locale_trans->lgroup == lgroup->lgroup && locale_trans->available) {
GtkWidget *subitem=
gtk_check_menu_item_new_with_label
(_(locale_trans->locale_title));
if (!submenu)
submenu = GTK_MENU (gtk_menu_new ());
gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (subitem), TRUE);
gtk_widget_show (subitem);
gtk_menu_shell_append (GTK_MENU_SHELL (submenu), subitem);
g_object_set_data (G_OBJECT (subitem), LOCALE_NAME_KEY,
(locale_trans->actual_locale));
}
locale_trans++;
}
if (submenu) {
GtkWidget *item = gtk_menu_item_new_with_label (_(lgroup->group_name));
gtk_menu_item_set_submenu (GTK_MENU_ITEM (item),
GTK_WIDGET (submenu));
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
lg_cnt++;
}
lgroup++;
}
item = gtk_separator_menu_item_new ();
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
lg_cnt++;
{
char *locale_name = get_locale_name (ls);
char *locale_menu_title = g_strconcat (_("Current Locale: "),
locale_name, NULL);
g_free (locale_name);
item = gtk_check_menu_item_new_with_label (locale_menu_title);
gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (item), TRUE);
g_free (locale_menu_title);
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
lg_cnt++;
}
go_option_menu_set_menu (ls->locales, GTK_WIDGET (menu));
ls->locales_menu = menu;
set_menu_to_default (ls, lg_cnt);
}