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authorAmar Tumballi <amar@gluster.com>2010-08-26 09:09:59 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-08-26 08:51:22 -0700
commit67d8b620186807f38277713930da2a1d1926d6d0 (patch)
treed46c48fecffd98650f85d8f06d7a44be7d495e04 /xlators/mgmt/glusterd/src/glusterd-pmap.c
parent0b87986fb6c35771f1ee60a161d427725c954c38 (diff)
glusterd-pmap: trigger signout by RPC_DISCONNECT event
Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1314 (portmapper functionality) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1314
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-pmap.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-pmap.c83
1 files changed, 69 insertions, 14 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-pmap.c b/xlators/mgmt/glusterd/src/glusterd-pmap.c
index 3a45da000..dfb39b353 100644
--- a/xlators/mgmt/glusterd/src/glusterd-pmap.c
+++ b/xlators/mgmt/glusterd/src/glusterd-pmap.c
@@ -72,12 +72,15 @@ pmap_registry_new (void)
return NULL;
for (i = 0; i < 65536; i++) {
- if (!pmap_port_isfree (i))
+ if (!pmap_port_isfree (i)) {
pmap->ports[i].used = 1;
+ pmap->last_alloc = i;
+ }
}
pmap->base_port = 6969;
- pmap->last_alloc = 6969;
+ if (pmap->last_alloc < 6969)
+ pmap->last_alloc = 6969;
return pmap;
}
@@ -112,7 +115,7 @@ pmap_registry_search (xlator_t *this, const char *brickname)
pmap = pmap_registry_get (this);
- for (p = pmap->base_port; p < 65535; p++) {
+ for (p = pmap->base_port; p < pmap->last_alloc; p++) {
if (!pmap->ports[p].brickname)
continue;
if (strcmp (pmap->ports[p].brickname, brickname) == 0) {
@@ -124,6 +127,27 @@ pmap_registry_search (xlator_t *this, const char *brickname)
return port;
}
+int
+pmap_registry_search_by_xprt (xlator_t *this, void *xprt)
+{
+ struct pmap_registry *pmap = NULL;
+ int p = 0;
+ int port = 0;
+
+ pmap = pmap_registry_get (this);
+
+ for (p = pmap->base_port; p < pmap->last_alloc; p++) {
+ if (!pmap->ports[p].xprt)
+ continue;
+ if (pmap->ports[p].xprt == xprt) {
+ port = p;
+ break;
+ }
+ }
+
+ return port;
+}
+
char *
pmap_registry_search_by_port (xlator_t *this, int port)
@@ -167,10 +191,9 @@ pmap_registry_alloc (xlator_t *this)
return port;
}
-
-
int
-pmap_registry_bind (xlator_t *this, int port, const char *brickname)
+pmap_registry_bind (xlator_t *this, int port,
+ const char *brickname, void *xprt)
{
struct pmap_registry *pmap = NULL;
int p = 0;
@@ -185,27 +208,58 @@ pmap_registry_bind (xlator_t *this, int port, const char *brickname)
if (pmap->ports[p].brickname)
free (pmap->ports[p].brickname);
pmap->ports[p].brickname = strdup (brickname);
+ pmap->ports[p].xprt = xprt;
+
+ gf_log ("pmap", GF_LOG_INFO, "adding brick %s on port %d",
+ brickname, port);
+ if (pmap->last_alloc < p)
+ pmap->last_alloc = p;
out:
return 0;
}
int
-pmap_registry_remove (xlator_t *this, int port, const char *brickname)
+pmap_registry_remove (xlator_t *this, int port,
+ const char *brickname, void *xprt)
{
struct pmap_registry *pmap = NULL;
int p = 0;
pmap = pmap_registry_get (this);
- if (port > 65535)
- goto out;
+ if (port) {
+ if (port > 65535)
+ goto out;
+
+ p = port;
+ goto remove;
+ }
+
+ if (brickname && strchr (brickname, '/')) {
+ p = pmap_registry_search (this, brickname);
+ if (p)
+ goto remove;
+ }
+
+ if (xprt) {
+ p = pmap_registry_search_by_xprt (this, xprt);
+ if (p)
+ goto remove;
+ }
+
+ goto out;
+remove:
+ gf_log ("pmap", GF_LOG_INFO, "removing brick %s on port %d",
+ pmap->ports[p].brickname, p);
- p = port;
pmap->ports[p].used = 0;
if (pmap->ports[p].brickname)
free (pmap->ports[p].brickname);
+ pmap->ports[p].brickname = NULL;
+ pmap->ports[p].xprt = NULL;
+
out:
return 0;
}
@@ -299,7 +353,7 @@ gluster_pmap_signup (rpcsvc_request_t *req)
goto fail;
}
- rsp.op_ret = pmap_registry_bind (THIS, args.port, args.brick);
+ rsp.op_ret = pmap_registry_bind (THIS, args.port, args.brick, req->trans);
fail:
glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
@@ -320,8 +374,8 @@ gluster_pmap_signin (rpcsvc_request_t *req)
goto fail;
}
-
- rsp.op_ret = pmap_registry_bind (THIS, args.port, args.brick);
+ rsp.op_ret = pmap_registry_bind (THIS, args.port, args.brick,
+ req->trans);
fail:
glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
@@ -345,7 +399,8 @@ gluster_pmap_signout (rpcsvc_request_t *req)
goto fail;
}
- rsp.op_ret = pmap_registry_remove (THIS, args.port, args.brick);
+ rsp.op_ret = pmap_registry_remove (THIS, args.port, args.brick,
+ req->trans);
fail:
glusterd_submit_reply (req, &rsp, NULL, 0, NULL,