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authorNiels de Vos <ndevos@redhat.com>2015-06-21 17:04:29 +0200
committerJeff Darcy <jdarcy@redhat.com>2016-02-04 09:31:32 -0800
commit9b71092f3d6cea1cca4804b0588152c79bd34e1d (patch)
tree26aaedcb1081ccf35347a5b77f4286bec5caa226 /xlators/protocol/server/src/server-rpc-fops.c
parent41beab5444969f235c665042965a650b5a2866e6 (diff)
protocol: implement seek() FOP
Network protocol extensions for the seek() FOP. The format is based on the SEEK procedure in NFSv4.2. Change-Id: I060768a8a4b9b1c80f4a24c0f17d630f7f028690 BUG: 1220173 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/11482 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: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Diffstat (limited to 'xlators/protocol/server/src/server-rpc-fops.c')
-rw-r--r--xlators/protocol/server/src/server-rpc-fops.c125
1 files changed, 123 insertions, 2 deletions
diff --git a/xlators/protocol/server/src/server-rpc-fops.c b/xlators/protocol/server/src/server-rpc-fops.c
index 28af53ee05f..9a7d8eb71ed 100644
--- a/xlators/protocol/server/src/server-rpc-fops.c
+++ b/xlators/protocol/server/src/server-rpc-fops.c
@@ -2116,6 +2116,45 @@ out:
}
+int
+server_seek_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, off_t offset, dict_t *xdata)
+{
+ struct gfs3_seek_rsp rsp = {0, };
+ server_state_t *state = NULL;
+ rpcsvc_request_t *req = NULL;
+
+ req = frame->local;
+ state = CALL_STATE (frame);
+
+ GF_PROTOCOL_DICT_SERIALIZE (this, xdata, (&rsp.xdata.xdata_val),
+ rsp.xdata.xdata_len, op_errno, out);
+
+ if (op_ret) {
+ gf_msg (this->name, GF_LOG_INFO, op_errno,
+ PS_MSG_SEEK_INFO,
+ "%"PRId64": SEEK%"PRId64" (%s) ==> (%s)",
+ frame->root->unique, state->resolve.fd_no,
+ uuid_utoa (state->resolve.gfid),
+ strerror (op_errno));
+ goto out;
+ }
+
+ rsp.offset = offset;
+
+out:
+ rsp.op_ret = op_ret;
+ rsp.op_errno = gf_errno_to_error (op_errno);
+
+ server_submit_reply (frame, req, &rsp, NULL, 0, NULL,
+ (xdrproc_t) xdr_gfs3_seek_rsp);
+
+ GF_FREE (rsp.xdata.xdata_val);
+
+ return 0;
+}
+
+
/* Resume function section */
int
@@ -3165,6 +3204,26 @@ err:
return 0;
}
+int
+server_seek_resume (call_frame_t *frame, xlator_t *bound_xl)
+{
+ server_state_t *state = NULL;
+
+ state = CALL_STATE (frame);
+
+ if (state->resolve.op_ret != 0)
+ goto err;
+
+ STACK_WIND (frame, server_seek_cbk, bound_xl, bound_xl->fops->seek,
+ state->fd, state->offset, state->what, state->xdata);
+ return 0;
+err:
+ server_seek_cbk (frame, NULL, frame->this, state->resolve.op_ret,
+ state->resolve.op_errno, 0, NULL);
+
+ return 0;
+}
+
/* Fop section */
@@ -3585,6 +3644,67 @@ out:
}
int
+server3_3_seek (rpcsvc_request_t *req)
+{
+ server_state_t *state = NULL;
+ call_frame_t *frame = NULL;
+ struct gfs3_seek_req args = {{0,},};
+ int ret = -1;
+ int op_errno = 0;
+ dict_t *xdata = NULL;
+ xlator_t *bound_xl = NULL;
+
+ if (!req)
+ return ret;
+
+ ret = xdr_to_generic (req->msg[0], &args,
+ (xdrproc_t)xdr_gfs3_seek_req);
+ if (ret < 0) {
+ /*failed to decode msg*/;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ frame = get_frame_from_request (req);
+ if (!frame) {
+ /* something wrong, mostly insufficient memory*/
+ req->rpc_err = GARBAGE_ARGS; /* TODO */
+ goto out;
+ }
+ frame->root->op = GF_FOP_SEEK;
+
+ state = CALL_STATE (frame);
+ if (!frame->root->client->bound_xl) {
+ /* auth failure, request on subvolume without setvolume */
+ SERVER_REQ_SET_ERROR (req, ret);
+ goto out;
+ }
+
+ state->resolve.type = RESOLVE_MUST;
+ state->resolve.fd_no = args.fd;
+
+ state->offset = args.offset;
+ state->what = args.what;
+ memcpy(state->resolve.gfid, args.gfid, 16);
+
+ GF_PROTOCOL_DICT_UNSERIALIZE (bound_xl, xdata,
+ args.xdata.xdata_val,
+ args.xdata.xdata_len,
+ ret, op_errno, out);
+
+ ret = 0;
+ resolve_and_resume (frame, server_seek_resume);
+
+out:
+ free (args.xdata.xdata_val);
+
+ if (op_errno)
+ SERVER_REQ_SET_ERROR (req, ret);
+
+ return ret;
+}
+
+int
server3_3_readlink (rpcsvc_request_t *req)
{
server_state_t *state = NULL;
@@ -6316,8 +6436,9 @@ rpcsvc_actor_t glusterfs3_3_fop_actors[GLUSTER_FOP_PROCCNT] = {
[GFS3_OP_FREMOVEXATTR] = {"FREMOVEXATTR", GFS3_OP_FREMOVEXATTR, server3_3_fremovexattr, NULL, 0, DRC_NA},
[GFS3_OP_FALLOCATE] = {"FALLOCATE", GFS3_OP_FALLOCATE, server3_3_fallocate, NULL, 0, DRC_NA},
[GFS3_OP_DISCARD] = {"DISCARD", GFS3_OP_DISCARD, server3_3_discard, NULL, 0, DRC_NA},
- [GFS3_OP_ZEROFILL] = {"ZEROFILL", GFS3_OP_ZEROFILL, server3_3_zerofill, NULL, 0, DRC_NA},
- [GFS3_OP_IPC] = {"IPC", GFS3_OP_IPC, server3_3_ipc, NULL, 0, DRC_NA},
+ [GFS3_OP_ZEROFILL] = {"ZEROFILL", GFS3_OP_ZEROFILL, server3_3_zerofill, NULL, 0, DRC_NA},
+ [GFS3_OP_IPC] = {"IPC", GFS3_OP_IPC, server3_3_ipc, NULL, 0, DRC_NA},
+ [GFS3_OP_SEEK] = {"SEEK", GFS3_OP_SEEK, server3_3_seek, NULL, 0, DRC_NA},
};