--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
+
+#define BUF_SIZE 128
+
+int safe_cat(char **pstr, int *plen, int pos, const char *str2)
+{
+ int len2 = strlen(str2);
+
+ while (*plen < pos + len2 + 1) {
+ *plen += BUF_SIZE;
+ *pstr = (char *)realloc(*pstr, (size_t)*plen);
+
+ if (!*pstr) {
+ printf("Out of memory\n");
+ exit(1);
+ }
+ }
+
+ strcpy((*pstr)+pos, str2);
+
+ return pos + len2;
+}
+
+char *mount_resolve_dest(char *orig_str)
+{
+ char *new_str;
+ char *tok, *p, *port_str;
+ int len, pos;
+
+ len = BUF_SIZE;
+ new_str = (char *)malloc(len);
+
+ p = new_str;
+ pos = 0;
+
+ tok = strtok(orig_str, ",");
+
+ while (tok) {
+ struct addrinfo hint;
+ struct addrinfo *res, *ores;
+ char *firstcolon, *lastcolon, *bracecolon;
+ int r;
+ int brackets = 0;
+
+ firstcolon = strchr(tok, ':');
+ lastcolon = strrchr(tok, ':');
+ bracecolon = strstr(tok, "]:");
+
+ port_str = 0;
+ if (firstcolon && firstcolon == lastcolon) {
+ /* host:port or a.b.c.d:port */
+ *firstcolon = 0;
+ port_str = firstcolon + 1;
+ } else if (bracecolon) {
+ /* {ipv6addr}:port */
+ port_str = bracecolon + 1;
+ *port_str = 0;
+ port_str++;
+ }
+ if (port_str && !*port_str)
+ port_str = NULL;
+
+ if (*tok == '[' &&
+ tok[strlen(tok)-1] == ']') {
+ tok[strlen(tok)-1] = 0;
+ tok++;
+ brackets = 1;
+ }
+
+ //printf("name '%s' port '%s'\n", tok, port_str);
+
+ memset(&hint, 0, sizeof(hint));
+ hint.ai_socktype = SOCK_STREAM;
+ hint.ai_protocol = IPPROTO_TCP;
+
+ r = getaddrinfo(tok, port_str, &hint, &res);
+ if (r < 0) {
+ printf("server name not found: %s (%s)\n", tok, strerror(errno));
+ free(new_str);
+ return 0;
+ }
+
+ /* build resolved addr list */
+ ores = res;
+ while (res) {
+ char host[40], port[40];
+ getnameinfo(res->ai_addr, res->ai_addrlen,
+ host, sizeof(host),
+ port, sizeof(port),
+ NI_NUMERICSERV | NI_NUMERICHOST);
+ /*printf(" host %s port %s flags %d family %d socktype %d proto %d sanonname %s\n",
+ host, port,
+ res->ai_flags, res->ai_family, res->ai_socktype, res->ai_protocol,
+ res->ai_canonname);*/
+ if (res->ai_family == AF_INET6)
+ brackets = 1; /* always surround ipv6 addrs with brackets */
+ if (brackets)
+ pos = safe_cat(&new_str, &len, pos, "[");
+ pos = safe_cat(&new_str, &len, pos, host);
+ if (brackets)
+ pos = safe_cat(&new_str, &len, pos, "]");
+ if (port_str) {
+ pos = safe_cat(&new_str, &len, pos, ":");
+ pos = safe_cat(&new_str, &len, pos, port);
+ }
+ res = res->ai_next;
+ if (res)
+ pos = safe_cat(&new_str, &len, pos, ",");
+ }
+ freeaddrinfo(ores);
+
+ tok = strtok(NULL, ",");
+ if (tok)
+ pos = safe_cat(&new_str, &len, pos, ",");
+
+ }
+
+ //printf("new_str is '%s'\n", new_str);
+ return new_str;
+}
#ifndef ADDR_PARSING_H_
#define ADDR_PARSING_H_
-#define BUF_SIZE 128
-static int safe_cat(char **pstr, int *plen, int pos, const char *str2)
-{
- int len2 = strlen(str2);
+#ifdef __cplusplus
+extern "C" {
+#endif
- while (*plen < pos + len2 + 1) {
- *plen += BUF_SIZE;
- *pstr = (char *)realloc(*pstr, (size_t)*plen);
-
- if (!*pstr) {
- printf("Out of memory\n");
- exit(1);
- }
- }
-
- strcpy((*pstr)+pos, str2);
-
- return pos + len2;
-}
+int safe_cat(char **pstr, int *plen, int pos, const char *str2);
/*
* returns a string allocated by malloc; caller must free
*/
-char *mount_resolve_dest(char *orig_str)
-{
- char *new_str;
- char *tok, *p, *port_str;
- int len, pos;
-
- len = BUF_SIZE;
- new_str = (char *)malloc(len);
-
- p = new_str;
- pos = 0;
-
- tok = strtok(orig_str, ",");
-
- while (tok) {
- struct addrinfo hint;
- struct addrinfo *res, *ores;
- char *firstcolon, *lastcolon, *bracecolon;
- int r;
- int brackets = 0;
-
- firstcolon = strchr(tok, ':');
- lastcolon = strrchr(tok, ':');
- bracecolon = strstr(tok, "]:");
+char *mount_resolve_dest(char *orig_str);
- port_str = 0;
- if (firstcolon && firstcolon == lastcolon) {
- /* host:port or a.b.c.d:port */
- *firstcolon = 0;
- port_str = firstcolon + 1;
- } else if (bracecolon) {
- /* {ipv6addr}:port */
- port_str = bracecolon + 1;
- *port_str = 0;
- port_str++;
- }
- if (port_str && !*port_str)
- port_str = NULL;
-
- if (*tok == '[' &&
- tok[strlen(tok)-1] == ']') {
- tok[strlen(tok)-1] = 0;
- tok++;
- brackets = 1;
- }
-
- //printf("name '%s' port '%s'\n", tok, port_str);
-
- memset(&hint, 0, sizeof(hint));
- hint.ai_socktype = SOCK_STREAM;
- hint.ai_protocol = IPPROTO_TCP;
-
- r = getaddrinfo(tok, port_str, &hint, &res);
- if (r < 0) {
- printf("server name not found: %s (%s)\n", tok, strerror(errno));
- free(new_str);
- return 0;
- }
-
- /* build resolved addr list */
- ores = res;
- while (res) {
- char host[40], port[40];
- getnameinfo(res->ai_addr, res->ai_addrlen,
- host, sizeof(host),
- port, sizeof(port),
- NI_NUMERICSERV | NI_NUMERICHOST);
- /*printf(" host %s port %s flags %d family %d socktype %d proto %d sanonname %s\n",
- host, port,
- res->ai_flags, res->ai_family, res->ai_socktype, res->ai_protocol,
- res->ai_canonname);*/
- if (res->ai_family == AF_INET6)
- brackets = 1; /* always surround ipv6 addrs with brackets */
- if (brackets)
- pos = safe_cat(&new_str, &len, pos, "[");
- pos = safe_cat(&new_str, &len, pos, host);
- if (brackets)
- pos = safe_cat(&new_str, &len, pos, "]");
- if (port_str) {
- pos = safe_cat(&new_str, &len, pos, ":");
- pos = safe_cat(&new_str, &len, pos, port);
- }
- res = res->ai_next;
- if (res)
- pos = safe_cat(&new_str, &len, pos, ",");
- }
- freeaddrinfo(ores);
-
- tok = strtok(NULL, ",");
- if (tok)
- pos = safe_cat(&new_str, &len, pos, ",");
-
- }
-
- //printf("new_str is '%s'\n", new_str);
- return new_str;
+#ifdef __cplusplus
}
-
+#endif
#endif /* ADDR_PARSING_H_ */