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authorGaurav <gaurav@gluster.com>2011-06-20 07:59:27 +0000
committerAnand Avati <avati@gluster.com>2011-07-14 01:31:36 -0700
commitf50e5eb7777ee31701f5d757ffa8de2c238b5e50 (patch)
tree1f3ada733a58f0bdc462f11ca09a5a8ba34f7d37 /xlators/mgmt
parentded0a9a2a0a9024def7a4b199ac3bbfa5d66485a (diff)
Glusterd: IPV6 support for glusterfs.
Signed-off-by: Gaurav <gaurav@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2456 (IPv6 support for glusterd) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2456
Diffstat (limited to 'xlators/mgmt')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c175
1 files changed, 87 insertions, 88 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index 1880ec502bd..56e03e6624b 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -128,6 +128,40 @@ glusterd_is_loopback_localhost (const struct sockaddr *sa, char *hostname)
return is_local;
}
+char *
+get_ip_from_addrinfo (struct addrinfo *addr, char **ip)
+{
+ char buf[64];
+ void *in_addr = NULL;
+ struct sockaddr_in *s4 = NULL;
+ struct sockaddr_in6 *s6 = NULL;
+
+ switch (addr->ai_family)
+ {
+ case AF_INET:
+ s4 = (struct sockaddr_in *)addr->ai_addr;
+ in_addr = &s4->sin_addr;
+ break;
+
+ case AF_INET6:
+ s6 = (struct sockaddr_in6 *)addr->ai_addr;
+ in_addr = &s6->sin6_addr;
+ break;
+
+ default:
+ gf_log ("glusterd", GF_LOG_ERROR, "Invalid family");
+ return NULL;
+ }
+
+ if (!inet_ntop(addr->ai_family, in_addr, buf, sizeof(buf))) {
+ gf_log ("glusterd", GF_LOG_ERROR, "String conversion failed");
+ return NULL;
+ }
+
+ *ip = strdup (buf);
+ return *ip;
+}
+
int32_t
glusterd_is_local_addr (char *hostname)
{
@@ -135,13 +169,8 @@ glusterd_is_local_addr (char *hostname)
struct addrinfo *result = NULL;
struct addrinfo *res = NULL;
int32_t found = 0;
- struct ifconf buf = {0,};
int sd = -1;
- struct ifreq *ifr = NULL;
- struct ifreq *ifr_end = NULL;
- int32_t size = 0;
- char buff[1024] = {0,};
- gf_boolean_t need_free = _gf_false;
+ char *ip = NULL;
ret = getaddrinfo (hostname, NULL, NULL, &result);
@@ -157,58 +186,26 @@ glusterd_is_local_addr (char *hostname)
goto out;
}
-
- sd = socket (AF_INET, SOCK_DGRAM, 0);
- if (sd == -1)
- goto out;
-
- buf.ifc_len = sizeof (buff);
- buf.ifc_buf = buff;
- size = buf.ifc_len;
-
- ret = ioctl (sd, SIOCGIFCONF, &buf);
- if (ret) {
- goto out;
- }
-
- while (size <= buf.ifc_len) {
- size += sizeof (struct ifreq);
- buf.ifc_len = size;
- if (need_free)
- GF_FREE (buf.ifc_req);
- buf.ifc_req = GF_CALLOC (1, size, gf_gld_mt_ifreq);
- need_free = 1;
- ret = ioctl (sd, SIOCGIFCONF, &buf);
- if (ret) {
- goto out;
- }
- }
-
- ifr_end = (struct ifreq *)&buf.ifc_buf[buf.ifc_len];
-
for (res = result; res != NULL; res = res->ai_next) {
- ifr = buf.ifc_req;
- while (ifr < ifr_end) {
- if ((ifr->ifr_addr.sa_family == res->ai_addr->sa_family)
- && (memcmp (&ifr->ifr_addr, res->ai_addr,
- res->ai_addrlen) == 0)) {
- found = 1;
- goto out;
- }
- ifr++;
+ gf_log ("glusterd", GF_LOG_DEBUG, "%s ", get_ip_from_addrinfo (res, &ip));
+ sd = socket (res->ai_family, SOCK_DGRAM, 0);
+ if (sd == -1)
+ goto out;
+ /*If bind succeeds then its a local address*/
+ ret = bind (sd, res->ai_addr, res->ai_addrlen);
+ if (ret == 0) {
+ found = _gf_true;
+ gf_log ("glusterd", GF_LOG_INFO, "%s is local", get_ip_from_addrinfo (res, &ip));
+ close (sd);
+ break;
}
+ close (sd);
}
out:
- if (sd >= 0)
- close (sd);
-
if (result)
freeaddrinfo (result);
- if (need_free)
- GF_FREE (buf.ifc_req);
-
if (found)
gf_log ("glusterd", GF_LOG_DEBUG, "%s is local", hostname);
else
@@ -653,21 +650,18 @@ glusterd_brickinfo_from_brick (char *brick,
glusterd_brickinfo_t *new_brickinfo = NULL;
char *hostname = NULL;
char *path = NULL;
- char *tmp = NULL;
- char *tmpstr = NULL;
+ char *tmp_host = NULL;
+ char *tmp_path = NULL;
GF_ASSERT (brick);
GF_ASSERT (brickinfo);
- tmp = gf_strdup (brick);
- if (!tmp) {
- gf_log ("glusterd", GF_LOG_ERROR,
- "Out of memory");
- goto out;
- }
-
- hostname = strtok_r (tmp, ":", &tmpstr);
- path = strtok_r (NULL, ":", &tmpstr);
+ tmp_host = gf_strdup (brick);
+ if (tmp_host)
+ get_host_name (tmp_host, &hostname);
+ tmp_path = gf_strdup (brick);
+ if (tmp_path)
+ get_path_name (tmp_path, &path);
GF_ASSERT (hostname);
GF_ASSERT (path);
@@ -684,8 +678,10 @@ glusterd_brickinfo_from_brick (char *brick,
ret = 0;
out:
- if (tmp)
- GF_FREE (tmp);
+ if (tmp_host)
+ GF_FREE (tmp_host);
+ if (tmp_host)
+ GF_FREE (tmp_path);
gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
return ret;
}
@@ -771,26 +767,20 @@ glusterd_volume_brickinfo_get_by_brick (char *brick,
int32_t ret = -1;
char *hostname = NULL;
char *path = NULL;
- char *dup_brick = NULL;
- char *free_ptr = NULL;
+ char *tmp_host = NULL;
+ char *tmp_path = NULL;
GF_ASSERT (brick);
GF_ASSERT (volinfo);
gf_log ("", GF_LOG_INFO, "brick: %s", brick);
- dup_brick = gf_strdup (brick);
- if (!dup_brick) {
- gf_log ("", GF_LOG_ERROR,
- "Out of memory");
- ret = -1;
- goto out;
- } else {
- free_ptr = dup_brick;
- }
-
- hostname = strtok (dup_brick, ":");
- path = strtok (NULL, ":");
+ tmp_host = gf_strdup (brick);
+ if (tmp_host)
+ get_host_name (tmp_host, &hostname);
+ tmp_path = gf_strdup (brick);
+ if (tmp_path)
+ get_path_name (tmp_path, &path);
if (!hostname || !path) {
gf_log ("", GF_LOG_ERROR,
@@ -803,9 +793,10 @@ glusterd_volume_brickinfo_get_by_brick (char *brick,
ret = glusterd_volume_brickinfo_get (NULL, hostname, path, volinfo,
brickinfo);
out:
- if (free_ptr)
- GF_FREE (free_ptr);
-
+ if (tmp_host)
+ GF_FREE (tmp_host);
+ if (tmp_path)
+ GF_FREE (tmp_path);
gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
return ret;
}
@@ -2259,21 +2250,29 @@ glusterd_remote_hostname_get (rpcsvc_request_t *req, char *remote_host, int len)
GF_ASSERT (req->trans);
char *name = NULL;
- char *delimiter = NULL;
+ char *hostname = NULL;
+ char *tmp_host = NULL;
+ int ret = 0;
name = req->trans->peerinfo.identifier;
- strncpy (remote_host, name, len);
- delimiter = strchr (remote_host, ':');
+ tmp_host = gf_strdup (name);
+ if (tmp_host)
+ get_host_name (tmp_host, &hostname);
- GF_ASSERT (delimiter);
- if (!delimiter) {
+ GF_ASSERT (hostname);
+ if (!hostname) {
memset (remote_host, 0, len);
- return -1;
+ ret = -1;
+ goto out;
}
- *delimiter = '\0';
+ strncpy (remote_host, hostname, strlen (hostname));
- return 0;
+
+out:
+ if (tmp_host)
+ GF_FREE (tmp_host);
+ return ret;
}
int