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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-handler.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c417
1 files changed, 30 insertions, 387 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index d3e7032..c1ab571 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -367,7 +367,6 @@ glusterd_handle_cluster_lock (rpcsvc_request_t *req)
gd1_mgmt_cluster_lock_req lock_req = {{0},};
int32_t ret = -1;
char str[50] = {0,};
- glusterd_op_sm_event_t *event = NULL;
glusterd_op_lock_ctx_t *ctx = NULL;
GF_ASSERT (req);
@@ -382,12 +381,6 @@ glusterd_handle_cluster_lock (rpcsvc_request_t *req)
gf_log ("glusterd", GF_LOG_NORMAL,
"Received LOCK from uuid: %s", str);
- ret = glusterd_op_sm_new_event (GD_OP_EVENT_LOCK, &event);
-
- if (ret) {
- //respond back here
- return ret;
- }
ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_stage_ctx_t);
@@ -398,9 +391,8 @@ glusterd_handle_cluster_lock (rpcsvc_request_t *req)
uuid_copy (ctx->uuid, lock_req.uuid);
ctx->req = req;
- event->ctx = ctx;
- ret = glusterd_op_sm_inject_event (event);
+ ret = glusterd_op_sm_inject_event (GD_OP_EVENT_LOCK, ctx);
out:
gf_log ("", GF_LOG_NORMAL, "Returning %d", ret);
@@ -412,9 +404,8 @@ int
glusterd_handle_stage_op (rpcsvc_request_t *req)
{
int32_t ret = -1;
- char str[50];
+ char str[50] = {0,};
gd1_mgmt_stage_op_req stage_req = {{0,}};
- glusterd_op_sm_event_t *event = NULL;
glusterd_op_stage_ctx_t *ctx = NULL;
GF_ASSERT (req);
@@ -429,13 +420,6 @@ glusterd_handle_stage_op (rpcsvc_request_t *req)
gf_log ("glusterd", GF_LOG_NORMAL,
"Received stage op from uuid: %s", str);
- ret = glusterd_op_sm_new_event (GD_OP_EVENT_STAGE_OP, &event);
-
- if (ret) {
- //respond back here
- return ret;
- }
-
ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_stage_ctx_t);
if (!ctx) {
@@ -455,11 +439,9 @@ glusterd_handle_stage_op (rpcsvc_request_t *req)
memcpy (ctx->stage_req.buf.buf_val, stage_req.buf.buf_val,
stage_req.buf.buf_len);
-
ctx->req = req;
- event->ctx = ctx;
- ret = glusterd_op_sm_inject_event (event);
+ ret = glusterd_op_sm_inject_event (GD_OP_EVENT_STAGE_OP, ctx);
out:
return ret;
@@ -469,8 +451,7 @@ int
glusterd_handle_commit_op (rpcsvc_request_t *req)
{
int32_t ret = -1;
- char str[50];
- glusterd_op_sm_event_t *event = NULL;
+ char str[50] = {0,};
gd1_mgmt_commit_op_req commit_req = {{0},};
glusterd_op_commit_ctx_t *ctx = NULL;
@@ -487,13 +468,6 @@ glusterd_handle_commit_op (rpcsvc_request_t *req)
gf_log ("glusterd", GF_LOG_NORMAL,
"Received commit op from uuid: %s", str);
- ret = glusterd_op_sm_new_event (GD_OP_EVENT_COMMIT_OP, &event);
-
- if (ret) {
- //respond back here
- return ret;
- }
-
ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_commit_ctx_t);
if (!ctx) {
@@ -513,9 +487,8 @@ glusterd_handle_commit_op (rpcsvc_request_t *req)
memcpy (ctx->stage_req.buf.buf_val, commit_req.buf.buf_val,
commit_req.buf.buf_len);
- event->ctx = ctx;
- ret = glusterd_op_sm_inject_event (event);
+ ret = glusterd_op_sm_inject_event (GD_OP_EVENT_COMMIT_OP, ctx);
out:
return ret;
@@ -889,7 +862,6 @@ glusterd_handle_cluster_unlock (rpcsvc_request_t *req)
int32_t ret = -1;
char str[50] = {0, };
glusterd_op_lock_ctx_t *ctx = NULL;
- glusterd_op_sm_event_t *event = NULL;
GF_ASSERT (req);
@@ -904,24 +876,16 @@ glusterd_handle_cluster_unlock (rpcsvc_request_t *req)
gf_log ("glusterd", GF_LOG_NORMAL,
"Received UNLOCK from uuid: %s", str);
- ret = glusterd_op_sm_new_event (GD_OP_EVENT_UNLOCK, &event);
-
- if (ret) {
- //respond back here
- return ret;
- }
-
ctx = GF_CALLOC (1, sizeof (*ctx), gf_gld_mt_op_lock_ctx_t);
if (!ctx) {
//respond here
return -1;
}
- event->ctx = ctx;
uuid_copy (ctx->uuid, unlock_req.uuid);
ctx->req = req;
- ret = glusterd_op_sm_inject_event (event);
+ ret = glusterd_op_sm_inject_event (GD_OP_EVENT_UNLOCK, ctx);
out:
return ret;
@@ -1171,332 +1135,6 @@ out:
return ret;
}
-/*int
-glusterd_handle_friend_req_resp (call_frame_t *frame,
- gf_hdr_common_t *rsp_hdr, size_t hdrlen)
-{
- gf_mop_probe_rsp_t *rsp = NULL;
- int32_t ret = -1;
- char str[50];
- glusterd_peerinfo_t *peerinfo = NULL;
- int32_t op_ret = -1;
- glusterd_friend_sm_event_type_t event_type = GD_FRIEND_EVENT_NONE;
- glusterd_friend_sm_event_t *event = NULL;
-
- GF_ASSERT (rsp_hdr);
-
- rsp = gf_param (rsp_hdr);
- uuid_unparse (rsp->uuid, str);
-
- op_ret = rsp_hdr->rsp.op_ret;
-
- gf_log ("glusterd", GF_LOG_NORMAL,
- "Received %s from uuid: %s, host: %s",
- (op_ret)?"RJT":"ACC", str, rsp->hostname);
-
- ret = glusterd_friend_find (rsp->uuid, rsp->hostname, &peerinfo);
-
- if (ret) {
- GF_ASSERT (0);
- }
-
- if (op_ret)
- event_type = GD_FRIEND_EVENT_RCVD_ACC;
- else
- event_type = GD_FRIEND_EVENT_RCVD_RJT;
-
- ret = glusterd_friend_sm_new_event (event_type, &event);
-
- if (ret) {
- gf_log ("glusterd", GF_LOG_ERROR,
- "Unable to get event");
- return ret;
- }
-
- event->peerinfo = peerinfo;
- ret = glusterd_friend_sm_inject_event (event);
-
- gf_log ("glusterd", GF_LOG_NORMAL, "Received resp to friend req");
-
- return 0;
-}*/
-
-/*int
-glusterd_handle_probe_resp (call_frame_t *frame, gf_hdr_common_t *rsp_hdr,
- size_t hdrlen)
-{
- gf_mop_probe_rsp_t *rsp = NULL;
- int32_t ret = -1;
- char str[50];
- glusterd_peerinfo_t *peerinfo = NULL;
- glusterd_friend_sm_event_t *event = NULL;
- glusterd_peerinfo_t *dup_peerinfo = NULL;
-
- GF_ASSERT (rsp_hdr);
-
- rsp = gf_param (rsp_hdr);
- uuid_unparse (rsp->uuid, str);
-
- gf_log ("glusterd", GF_LOG_NORMAL,
- "Received probe resp from uuid: %s, host: %s",
- str, rsp->hostname);
-
- ret = glusterd_friend_find (rsp->uuid, rsp->hostname, &peerinfo);
-
- if (ret) {
- GF_ASSERT (0);
- }
-
- if (!peerinfo->hostname) {
- glusterd_friend_find_by_hostname (rsp->hostname, &dup_peerinfo);
- GF_ASSERT (dup_peerinfo);
- GF_ASSERT (dup_peerinfo->hostname);
- peerinfo->hostname = gf_strdup (rsp->hostname);
- peerinfo->trans = dup_peerinfo->trans;
- list_del_init (&dup_peerinfo->uuid_list);
- GF_FREE (dup_peerinfo->hostname);
- GF_FREE (dup_peerinfo);
- }
- GF_ASSERT (peerinfo->hostname);
- uuid_copy (peerinfo->uuid, rsp->uuid);
-
- ret = glusterd_friend_sm_new_event
- (GD_FRIEND_EVENT_INIT_FRIEND_REQ, &event);
-
- if (ret) {
- gf_log ("glusterd", GF_LOG_ERROR,
- "Unable to get event");
- return ret;
- }
-
- event->peerinfo = peerinfo;
- ret = glusterd_friend_sm_inject_event (event);
-
- return 0;
-}*/
-
-/*
-static glusterd_mop_t glusterd_ops[GF_MOP_MAXVALUE] = {
- [GF_MOP_PROBE_QUERY] = glusterd_handle_probe_query,
- [GF_MOP_FRIEND_REQ] = glusterd_handle_incoming_friend_req,
- [GF_MOP_STAGE_OP] = glusterd_handle_stage_op,
- [GF_MOP_COMMIT_OP] = glusterd_handle_commit_op,
- [GF_MOP_CLUSTER_LOCK] = glusterd_handle_cluster_lock,
- [GF_MOP_CLUSTER_UNLOCK] = glusterd_handle_cluster_unlock,
-};
-
-static glusterd_mop_t glusterd_resp_ops [GF_MOP_MAXVALUE] = {
- [GF_MOP_PROBE_QUERY] = glusterd_handle_probe_resp,
- [GF_MOP_FRIEND_REQ] = glusterd_handle_friend_req_resp,
-};
-*/
-
-/*int
-glusterd_xfer_probe_msg (glusterd_peerinfo_t *peerinfo, xlator_t *this)
-{
- gf_hdr_common_t *hdr = NULL;
- gf_mop_probe_req_t *req = NULL;
- size_t hdrlen = -1;
- int ret = -1;
- glusterd_conf_t *priv = NULL;
- call_frame_t *dummy_frame = NULL;
- int len = 0;
-
- GF_ASSERT (peerinfo);
- GF_ASSERT (this);
-
- priv = this->private;
- GF_ASSERT (priv);
-
- len = STRLEN_0 (peerinfo->hostname);
- hdrlen = gf_hdr_len (req, len);
- hdr = gf_hdr_new (req, len);
-
- GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
-
- req = gf_param (hdr);
- memcpy (&req->uuid, &priv->uuid, sizeof(uuid_t));
- strncpy (req->hostname, peerinfo->hostname, len);
-
- dummy_frame = create_frame (this, this->ctx->pool);
-
- if (!dummy_frame)
- goto unwind;
-
- dummy_frame->local = peerinfo->trans;
-
- ret = glusterd_xfer (dummy_frame, this,
- peerinfo->trans,
- GF_OP_TYPE_MOP_REQUEST, GF_MOP_PROBE_QUERY,
- hdr, hdrlen, NULL, 0, NULL);
-
- return ret;
-
-unwind:
- if (hdr)
- GF_FREE (hdr);
-
- return 0;
-}*/
-
-/*int
-glusterd_xfer_friend_req_msg (glusterd_peerinfo_t *peerinfo, xlator_t *this)
-{
- gf_hdr_common_t *hdr = NULL;
- gf_mop_probe_req_t *req = NULL;
- size_t hdrlen = -1;
- int ret = -1;
- glusterd_conf_t *priv = NULL;
- call_frame_t *dummy_frame = NULL;
- int len = 0;
-
- GF_ASSERT (peerinfo);
- GF_ASSERT (this);
-
- priv = this->private;
- GF_ASSERT (priv);
-
- len = STRLEN_0 (peerinfo->hostname);
- hdrlen = gf_hdr_len (req, len);
- hdr = gf_hdr_new (req, len);
-
- GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
-
- req = gf_param (hdr);
- memcpy (&req->uuid, &priv->uuid, sizeof(uuid_t));
- strncpy (req->hostname, peerinfo->hostname, len);
-
- dummy_frame = create_frame (this, this->ctx->pool);
-
- if (!dummy_frame)
- goto unwind;
-
- dummy_frame->local = peerinfo->trans;
-
- ret = glusterd_xfer (dummy_frame, this,
- peerinfo->trans,
- GF_OP_TYPE_MOP_REQUEST, GF_MOP_FRIEND_REQ,
- hdr, hdrlen, NULL, 0, NULL);
-
- return ret;
-
-unwind:
- if (hdr)
- GF_FREE (hdr);
-
- //STACK_UNWIND (frame, -1, EINVAL, NULL);
- return 0;
-}*/
-
-/*int
-glusterd_xfer_cluster_lock_req (xlator_t *this, int32_t *lock_count)
-{
- gd1_mgmt_cluster_lock_req req = {{0},};
- int ret = -1;
- glusterd_conf_t *priv = NULL;
- call_frame_t *dummy_frame = NULL;
- glusterd_peerinfo_t *peerinfo = NULL;
- int pending_lock = 0;
- rpc_clnt_procedure_t *proc = NULL;
-
- GF_ASSERT (this);
- GF_ASSERT (lock_count);
-
- priv = this->private;
- GF_ASSERT (priv);
-
- uuid_copy (req.uuid, priv->uuid);
-
- dummy_frame = create_frame (this, this->ctx->pool);
-
- if (!dummy_frame)
- goto unwind;
-
-
- list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
- GF_ASSERT (peerinfo);
-
- if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
- continue;
-
-
- ret = glusterd_submit_request (peerinfo, &req, dummy_frame,
- prog, GD_MGMT_PROBE_QUERY,
- NULL, gd_xdr_from_mgmt_probe_req,
- this);
- if (!ret)
- pending_lock++;
- }
-
- gf_log ("glusterd", GF_LOG_NORMAL, "Sent lock req to %d peers",
- pending_lock);
- *lock_count = pending_lock;
-
-unwind:
-
- return ret;
-}*/
-
-/*int
-glusterd_xfer_cluster_unlock_req (xlator_t *this, int32_t *pending_count)
-{
- gf_hdr_common_t *hdr = NULL;
- gf_mop_cluster_unlock_req_t *req = NULL;
- size_t hdrlen = -1;
- int ret = -1;
- glusterd_conf_t *priv = NULL;
- call_frame_t *dummy_frame = NULL;
- glusterd_peerinfo_t *peerinfo = NULL;
- int pending_unlock = 0;
-
- GF_ASSERT (this);
- GF_ASSERT (pending_count);
-
- priv = this->private;
- GF_ASSERT (priv);
-
- hdrlen = gf_hdr_len (req, 0);
- hdr = gf_hdr_new (req, 0);
-
- GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
-
- req = gf_param (hdr);
- uuid_copy (req->uuid, priv->uuid);
-
- dummy_frame = create_frame (this, this->ctx->pool);
-
- if (!dummy_frame)
- goto unwind;
-
-
- list_for_each_entry (peerinfo, &priv->peers, uuid_list) {
- GF_ASSERT (peerinfo);
-
- if (peerinfo->state.state != GD_FRIEND_STATE_BEFRIENDED)
- continue;
-
-
- ret = glusterd_xfer (dummy_frame, this,
- peerinfo->trans,
- GF_OP_TYPE_MOP_REQUEST,
- GF_MOP_CLUSTER_UNLOCK,
- hdr, hdrlen, NULL, 0, NULL);
- if (!ret)
- pending_unlock++;
- }
-
- gf_log ("glusterd", GF_LOG_NORMAL, "Sent unlock req to %d peers",
- pending_unlock);
- *pending_count = pending_unlock;
-
-unwind:
- if (hdr)
- GF_FREE (hdr);
-
- return ret;
-}*/
-
-
int
glusterd_friend_add (const char *hoststr, int port,
glusterd_friend_sm_state_t state,
@@ -1638,6 +1276,11 @@ glusterd_probe_begin (rpcsvc_request_t *req, const char *hoststr, int port)
return ret;
}
+ if (!peerinfo->connected) {
+ return GLUSTERD_CONNECTION_AWAITED;
+ }
+
+
return ret;
}
@@ -1781,7 +1424,6 @@ glusterd_op_txn_begin ()
{
int32_t ret = -1;
glusterd_conf_t *priv = NULL;
- glusterd_op_sm_event_t *event = NULL;
int32_t locked = 0;
priv = THIS->private;
@@ -1798,15 +1440,7 @@ glusterd_op_txn_begin ()
locked = 1;
gf_log ("glusterd", GF_LOG_NORMAL, "Acquired local lock");
- ret = glusterd_op_sm_new_event (GD_OP_EVENT_START_LOCK, &event);
-
- if (ret) {
- gf_log ("glusterd", GF_LOG_ERROR,
- "Unable to get event, ret: %d", ret);
- goto out;
- }
-
- ret = glusterd_op_sm_inject_event (event);
+ ret = glusterd_op_sm_inject_event (GD_OP_EVENT_START_LOCK, NULL);
gf_log ("glusterd", GF_LOG_NORMAL, "Returning %d", ret);
@@ -1829,6 +1463,8 @@ glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict)
glusterd_op_set_ctx (GD_OP_CREATE_VOLUME, dict);
+ glusterd_op_set_req (req);
+
data = dict_get (dict, "volname");
if (!data)
goto out;
@@ -1870,6 +1506,7 @@ glusterd_start_volume (rpcsvc_request_t *req, char *volname, int flags)
glusterd_op_set_op (GD_OP_START_VOLUME);
glusterd_op_set_ctx (GD_OP_START_VOLUME, ctx);
+ glusterd_op_set_req (req);
ret = glusterd_op_txn_begin ();
@@ -1896,6 +1533,7 @@ glusterd_stop_volume (rpcsvc_request_t *req, char *volname, int flags)
glusterd_op_set_op (GD_OP_STOP_VOLUME);
glusterd_op_set_ctx (GD_OP_STOP_VOLUME, ctx);
+ glusterd_op_set_req (req);
ret = glusterd_op_txn_begin ();
@@ -1922,6 +1560,7 @@ glusterd_delete_volume (rpcsvc_request_t *req, char *volname, int flags)
glusterd_op_set_op (GD_OP_DELETE_VOLUME);
glusterd_op_set_ctx (GD_OP_DELETE_VOLUME, ctx);
+ glusterd_op_set_req (req);
ret = glusterd_op_txn_begin ();
@@ -1940,6 +1579,7 @@ glusterd_add_brick (rpcsvc_request_t *req, dict_t *dict)
glusterd_op_set_op (GD_OP_ADD_BRICK);
glusterd_op_set_ctx (GD_OP_ADD_BRICK, dict);
+ glusterd_op_set_req (req);
ret = glusterd_op_txn_begin ();
@@ -2074,26 +1714,28 @@ int
glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,
void *data)
{
- xlator_t *this = NULL;
- char *handshake = NULL;
- glusterd_conf_t *conf = NULL;
- int ret = 0;
+ xlator_t *this = NULL;
+ char *handshake = "on";
+ glusterd_conf_t *conf = NULL;
+ int ret = 0;
+ glusterd_peerinfo_t *peerinfo = NULL;
- this = mydata;
+ peerinfo = mydata;
+ this = THIS;
conf = this->private;
switch (event) {
case RPC_CLNT_CONNECT:
{
- // connect happened, send 'get_supported_versions' mop
- ret = dict_get_str (this->options, "disable-handshake",
- &handshake);
gf_log (this->name, GF_LOG_TRACE, "got RPC_CLNT_CONNECT");
+ peerinfo->connected = 1;
+ glusterd_friend_sm ();
+ glusterd_op_sm ();
if ((ret < 0) || (strcasecmp (handshake, "on"))) {
- //ret = client_handshake (this, conf->rpc);
+ //ret = glusterd_handshake (this, peerinfo->rpc);
} else {
//conf->rpc->connected = 1;
@@ -2107,6 +1749,7 @@ glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata, rpc_clnt_event_t event,
//Inject friend disconnected here
gf_log (this->name, GF_LOG_TRACE, "got RPC_CLNT_DISCONNECT");
+ peerinfo->connected = 0;
//default_notify (this, GF_EVENT_CHILD_DOWN, NULL);
break;