| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <qpid/dispatch/failoverlist.h> |
| #include <qpid/dispatch/ctools.h> |
| #include <qpid/dispatch/error.h> |
| #include <ctype.h> |
| #include <string.h> |
| |
| struct qd_failover_list_t { |
| qd_failover_item_list_t item_list; |
| char *text; |
| }; |
| |
| |
| static void qd_fol_remove_whitespace(char *text) { |
| char *from = text; |
| char *to = text; |
| |
| while (*from) { |
| if (isgraph(*from)) |
| *to++ = *from; |
| from++; |
| } |
| *to = '\0'; |
| } |
| |
| |
| static char *qd_fol_next(char *text, const char *separator) |
| { |
| char *next = strstr(text, separator); |
| if (next) { |
| *next = '\0'; |
| next += strlen(separator); |
| } |
| return next; |
| } |
| |
| |
| /* Sets qd_error if there is an error */ |
| static qd_failover_item_t *qd_fol_item(char *text) |
| { |
| qd_error_clear(); |
| char *after_scheme = qd_fol_next(text, "://"); |
| char *scheme = after_scheme ? text : 0; |
| char *host = after_scheme ? after_scheme : text; |
| char *port = qd_fol_next(host, ":"); |
| |
| if (strlen(host) == 0) { |
| qd_error(QD_ERROR_VALUE, "No network host in failover item"); |
| return 0; |
| } |
| |
| qd_failover_item_t *item = NEW(qd_failover_item_t); |
| ZERO(item); |
| item->scheme = scheme; |
| item->host = host; |
| item->port = port ? port : "5672"; |
| item->hostname = 0; |
| return item; |
| } |
| |
| |
| qd_failover_list_t *qd_failover_list(const char *text) |
| { |
| qd_failover_list_t *list = NEW(qd_failover_list_t); |
| ZERO(list); |
| |
| qd_error_clear(); |
| list->text = (char*) malloc(strlen(text) + 1); |
| strcpy(list->text, text); |
| |
| qd_fol_remove_whitespace(list->text); |
| char *cursor = list->text; |
| char *next; |
| do { |
| next = qd_fol_next(cursor, ","); |
| qd_failover_item_t *item = qd_fol_item(cursor); |
| if (item == 0) { |
| qd_failover_list_free(list); |
| return 0; |
| } |
| DEQ_INSERT_TAIL(list->item_list, item); |
| cursor = next; |
| } while (cursor && *cursor); |
| |
| return list; |
| } |
| |
| |
| void qd_failover_list_free(qd_failover_list_t *list) |
| { |
| qd_failover_item_t *item = DEQ_HEAD(list->item_list); |
| while (item) { |
| DEQ_REMOVE_HEAD(list->item_list); |
| free(item); |
| item = DEQ_HEAD(list->item_list); |
| } |
| free(list->text); |
| free(list); |
| } |
| |
| |
| int qd_failover_list_size(const qd_failover_list_t *list) |
| { |
| return (int) DEQ_SIZE(list->item_list); |
| } |
| |
| |
| const char *qd_failover_list_scheme(const qd_failover_list_t *list, int index) |
| { |
| qd_failover_item_t *item = DEQ_HEAD(list->item_list); |
| while (index > 0 && item) { |
| index--; |
| item = DEQ_NEXT(item); |
| } |
| return item ? item->scheme : 0; |
| } |
| |
| |
| const char *qd_failover_list_host(const qd_failover_list_t *list, int index) |
| { |
| qd_failover_item_t *item = DEQ_HEAD(list->item_list); |
| while (index > 0 && item) { |
| index--; |
| item = DEQ_NEXT(item); |
| } |
| return item ? item->host : 0; |
| } |
| |
| |
| const char *qd_failover_list_port(const qd_failover_list_t *list, int index) |
| { |
| qd_failover_item_t *item = DEQ_HEAD(list->item_list); |
| while (index > 0 && item) { |
| index--; |
| item = DEQ_NEXT(item); |
| } |
| return item ? item->port : 0; |
| } |
| |
| |
| const char *qd_failover_list_hostname(const qd_failover_list_t *list, int index) |
| { |
| qd_failover_item_t *item = DEQ_HEAD(list->item_list); |
| while (index > 0 && item) { |
| index--; |
| item = DEQ_NEXT(item); |
| } |
| return item ? item->hostname : 0; |
| } |
| |