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authorKaushal M <kaushal@redhat.com>2012-09-03 15:58:26 +0530
committerVijay Bellur <vbellur@redhat.com>2012-10-30 10:18:58 -0700
commitd7cc779da48e484d0edb7bfbd903f941d0ccca32 (patch)
tree1d4cc1e5e3772b35a3861538d10da6229ffc77f8 /xlators/mgmt/glusterd/src/glusterd.h
parent5c272f4d1c4ae67a3cf5a6af17518c82f520c1de (diff)
glusterd: op-version handshake implementation
Brings in a new rpc program MGMT_HANDSHAKE, which implements the op-version handshake. This is required for bringing in the op-version feature as described in http://www.gluster.org/community/documentation/index.php/Features/Opversion Change-Id: I4333fd2714dbbd3a2a3fca5862cbb3c56615529e BUG: 814534 Signed-off-by: Kaushal M <kaushal@redhat.com> Reviewed-on: http://review.gluster.org/3688 Reviewed-by: Vijay Bellur <vbellur@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd.h')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd.h29
1 files changed, 26 insertions, 3 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index b3fe1400aaa..0bf5beee884 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -91,6 +91,23 @@ typedef struct {
gf_boolean_t running;
} nodesrv_t;
+#define GD_OP_VERSION_KEY "operating-version"
+#define GD_MIN_OP_VERSION_KEY "minimum-operating-version"
+#define GD_MAX_OP_VERSION_KEY "maxium-operating-version"
+
+/* Gluster versions - OP-VERSION mapping
+ *
+ * 3.3.0 - 1
+ * 3.3.Next/3.Next - 2
+ *
+ * (TODO: Change above comment once gluster version is finalised)
+ */
+#define GD_OP_VERSION_MIN 1 /* MIN is the fresh start op-version, mostly
+ should not change */
+#define GD_OP_VERSION_MAX 2 /* MAX VERSION is the maximum count in VME table,
+ should keep changing with introduction of newer
+ versions */
+
typedef struct {
struct _volfile_ctx *volfile;
pthread_mutex_t mutex;
@@ -110,15 +127,21 @@ typedef struct {
gf_timer_t *timer;
glusterd_sm_tr_log_t op_sm_log;
struct rpc_clnt_program *gfs_mgmt;
+
struct list_head mount_specs;
#ifdef DEBUG
gf_boolean_t valgrind;
#endif
pthread_t brick_thread;
void *hooks_priv;
- xlator_t *xl; /* Should be set to 'THIS' before creating thread */
+ xlator_t *xl; /* Should be set to 'THIS' before creating thread */
+
+ /* need for proper handshake_t */
+ int op_version; /* Starts with 1 for 3.3.0 */
+
} glusterd_conf_t;
+
typedef enum gf_brick_status {
GF_BRICK_STOPPED,
GF_BRICK_STARTED,
@@ -556,8 +579,8 @@ glusterd_volume_txn (rpcsvc_request_t *req, char *volname, int flags,
glusterd_op_t op);
int
-glusterd_peer_handshake (xlator_t *this, struct rpc_clnt *rpc,
- glusterd_peerctx_t *peerctx);
+glusterd_peer_dump_version (xlator_t *this, struct rpc_clnt *rpc,
+ glusterd_peerctx_t *peerctx);
int
glusterd_validate_reconfopts (glusterd_volinfo_t *volinfo, dict_t *val_dict, char **op_errstr);