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authorAnuradha Talur <atalur@redhat.com>2016-04-29 16:12:10 +0530
committerPranith Kumar Karampuri <pkarampu@redhat.com>2016-04-30 17:47:47 -0700
commit45fa52d798298623757867c1936045231f0d0af7 (patch)
treeb216ac267dc21339fac8a40f49a5db4e89a3f19d /xlators/protocol/client/src/client.c
parent93eaeb9c93be3232f24e840044d560f9f0e66f71 (diff)
protocol/client : Implementation of compound fop
Change-Id: Iade71daf3bc70e60833d693ac55151c9cf691381 BUG: 1303829 Signed-off-by: Anuradha Talur <atalur@redhat.com> Reviewed-on: http://review.gluster.org/14114 Smoke: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Diffstat (limited to 'xlators/protocol/client/src/client.c')
-rw-r--r--xlators/protocol/client/src/client.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/xlators/protocol/client/src/client.c b/xlators/protocol/client/src/client.c
index aae712a..c37c1e2 100644
--- a/xlators/protocol/client/src/client.c
+++ b/xlators/protocol/client/src/client.c
@@ -339,6 +339,123 @@ out:
}
+int
+client_submit_compound_request (xlator_t *this, void *req, call_frame_t *frame,
+ rpc_clnt_prog_t *prog, int procnum, fop_cbk_fn_t cbkfn,
+ struct iovec *req_payload, int req_count,
+ struct iobref *iobref, struct iovec *rsphdr,
+ int rsphdr_count, struct iovec *rsp_payload,
+ int rsp_payload_count, struct iobref *rsp_iobref,
+ xdrproc_t xdrproc)
+{
+ int ret = -1;
+ clnt_conf_t *conf = NULL;
+ struct iovec iov = {0, };
+ struct iobuf *iobuf = NULL;
+ int count = 0;
+ struct iobref *new_iobref = NULL;
+ ssize_t xdr_size = 0;
+ struct rpc_req rpcreq = {0, };
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, prog, out);
+ GF_VALIDATE_OR_GOTO (this->name, frame, out);
+
+ conf = this->private;
+
+ /* If 'setvolume' is not successful, we should not send frames to
+ * server
+ */
+
+ if (!conf->connected) {
+ gf_msg_debug (this->name, 0,
+ "connection in disconnected state");
+ goto out;
+ }
+
+ if (req && xdrproc) {
+ xdr_size = xdr_sizeof (xdrproc, req);
+ iobuf = iobuf_get2 (this->ctx->iobuf_pool, xdr_size);
+ if (!iobuf) {
+ goto out;
+ };
+
+ new_iobref = iobref_new ();
+ if (!new_iobref) {
+ goto out;
+ }
+
+ if (iobref != NULL) {
+ ret = iobref_merge (new_iobref, iobref);
+ if (ret != 0) {
+ goto out;
+ }
+ }
+
+ ret = iobref_add (new_iobref, iobuf);
+ if (ret != 0) {
+ goto out;
+ }
+
+ iov.iov_base = iobuf->ptr;
+ iov.iov_len = iobuf_size (iobuf);
+
+ /* Create the xdr payload */
+ ret = xdr_serialize_generic (iov, req, xdrproc);
+ if (ret == -1) {
+ /* callingfn so that, we can get to know which xdr
+ function was called */
+ gf_log_callingfn (this->name, GF_LOG_WARNING,
+ "XDR payload creation failed");
+ goto out;
+ }
+ iov.iov_len = ret;
+ count = 1;
+ }
+
+ /* do not send all groups if they are resolved server-side */
+ if (!conf->send_gids) {
+ if (frame->root->ngrps <= SMALL_GROUP_COUNT) {
+ frame->root->groups_small[0] = frame->root->gid;
+ frame->root->groups = frame->root->groups_small;
+ }
+ frame->root->ngrps = 1;
+ }
+
+ /* Send the msg */
+ ret = rpc_clnt_submit (conf->rpc, prog, procnum, cbkfn, &iov, count,
+ req_payload, req_count, new_iobref, frame,
+ rsphdr, rsphdr_count,
+ rsp_payload, rsp_payload_count, rsp_iobref);
+
+ if (ret < 0) {
+ gf_msg_debug (this->name, 0, "rpc_clnt_submit failed");
+ }
+
+ ret = 0;
+
+ if (new_iobref)
+ iobref_unref (new_iobref);
+
+ if (iobuf)
+ iobuf_unref (iobuf);
+
+ return ret;
+
+out:
+ rpcreq.rpc_status = -1;
+
+ cbkfn (&rpcreq, NULL, 0, frame);
+
+ if (new_iobref)
+ iobref_unref (new_iobref);
+
+ if (iobuf)
+ iobuf_unref (iobuf);
+
+ return 0;
+}
+
int32_t
client_forget (xlator_t *this, inode_t *inode)
{
@@ -1980,6 +2097,32 @@ out:
}
+int32_t
+client_compound (call_frame_t *frame, xlator_t *this,
+ void *data, dict_t *xdata)
+{
+ int ret = -1;
+ clnt_conf_t *conf = NULL;
+ compound_args_t *args = data;
+ rpc_clnt_procedure_t *proc = NULL;
+
+ conf = this->private;
+ if (!conf || !conf->fops)
+ goto out;
+
+ args->xdata = xdata;
+
+ proc = &conf->fops->proctable[GF_FOP_COMPOUND];
+ if (proc->fn)
+ ret = proc->fn (frame, this, args);
+out:
+ if (ret)
+ STACK_UNWIND_STRICT (compound, frame, -1, ENOTCONN,
+ NULL, NULL);
+
+ return 0;
+}
+
int
client_mark_fd_bad (xlator_t *this)
{
@@ -2749,6 +2892,7 @@ struct xlator_fops fops = {
.ipc = client_ipc,
.seek = client_seek,
.lease = client_lease,
+ .compound = client_compound,
};