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authorAmar Tumballi <amar@gluster.com>2010-06-21 04:24:40 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-06-21 20:21:05 -0700
commitb9b8734a9496ccf5f8ed5527dc7714930a59948b (patch)
treeffcf9187c315b30e23cfa7f68f1d360e246d94c2 /xlators/protocol/client/src/saved-frames.c
parent2a5fada7546032e1fc1b106ddd40e42cc45349e1 (diff)
renamed xlator/protocol to xlator/protocol/legacy
Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
Diffstat (limited to 'xlators/protocol/client/src/saved-frames.c')
-rw-r--r--xlators/protocol/client/src/saved-frames.c194
1 files changed, 0 insertions, 194 deletions
diff --git a/xlators/protocol/client/src/saved-frames.c b/xlators/protocol/client/src/saved-frames.c
deleted file mode 100644
index 770de19ad72..00000000000
--- a/xlators/protocol/client/src/saved-frames.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- Copyright (c) 2008-2009 Gluster, Inc. <http://www.gluster.com>
- This file is part of GlusterFS.
-
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
-*/
-
-
-#include "saved-frames.h"
-#include "common-utils.h"
-#include "protocol.h"
-#include "xlator.h"
-#include "client-mem-types.h"
-
-
-
-struct saved_frames *
-saved_frames_new (void)
-{
- struct saved_frames *saved_frames = NULL;
-
- saved_frames = GF_CALLOC (sizeof (*saved_frames), 1,
- gf_client_mt_saved_frames);
- if (!saved_frames) {
- return NULL;
- }
-
- INIT_LIST_HEAD (&saved_frames->fops.list);
- INIT_LIST_HEAD (&saved_frames->mops.list);
- INIT_LIST_HEAD (&saved_frames->cbks.list);
-
- return saved_frames;
-}
-
-
-struct saved_frame *
-get_head_frame_for_type (struct saved_frames *frames, int8_t type)
-{
- struct saved_frame *head_frame = NULL;
-
- switch (type) {
- case GF_OP_TYPE_FOP_REQUEST:
- case GF_OP_TYPE_FOP_REPLY:
- head_frame = &frames->fops;
- break;
- case GF_OP_TYPE_MOP_REQUEST:
- case GF_OP_TYPE_MOP_REPLY:
- head_frame = &frames->mops;
- break;
- case GF_OP_TYPE_CBK_REQUEST:
- case GF_OP_TYPE_CBK_REPLY:
- head_frame = &frames->cbks;
- break;
- }
-
- return head_frame;
-}
-
-
-int
-saved_frames_put (struct saved_frames *frames, call_frame_t *frame,
- int32_t op, int8_t type, int64_t callid)
-{
- struct saved_frame *saved_frame = NULL;
- struct saved_frame *head_frame = NULL;
-
- head_frame = get_head_frame_for_type (frames, type);
-
- saved_frame = GF_CALLOC (sizeof (*saved_frame), 1,
- gf_client_mt_saved_frame);
- if (!saved_frame) {
- return -ENOMEM;
- }
-
- INIT_LIST_HEAD (&saved_frame->list);
- saved_frame->frame = frame;
- saved_frame->op = op;
- saved_frame->type = type;
- saved_frame->callid = callid;
-
- gettimeofday (&saved_frame->saved_at, NULL);
-
- list_add_tail (&saved_frame->list, &head_frame->list);
- frames->count++;
-
- return 0;
-}
-
-
-call_frame_t *
-saved_frames_get (struct saved_frames *frames, int32_t op,
- int8_t type, int64_t callid)
-{
- struct saved_frame *saved_frame = NULL;
- struct saved_frame *tmp = NULL;
- struct saved_frame *head_frame = NULL;
- call_frame_t *frame = NULL;
-
- head_frame = get_head_frame_for_type (frames, type);
-
- list_for_each_entry (tmp, &head_frame->list, list) {
- if (tmp->callid == callid) {
- list_del_init (&tmp->list);
- frames->count--;
- saved_frame = tmp;
- break;
- }
- }
-
- if (saved_frame)
- frame = saved_frame->frame;
-
- GF_FREE (saved_frame);
-
- return frame;
-}
-
-struct saved_frame *
-saved_frames_get_timedout (struct saved_frames *frames, int8_t type,
- uint32_t timeout, struct timeval *current)
-{
- struct saved_frame *bailout_frame = NULL, *tmp = NULL;
- struct saved_frame *head_frame = NULL;
-
- head_frame = get_head_frame_for_type (frames, type);
-
- if (!list_empty(&head_frame->list)) {
- tmp = list_entry (head_frame->list.next, typeof (*tmp), list);
- if ((tmp->saved_at.tv_sec + timeout) < current->tv_sec) {
- bailout_frame = tmp;
- list_del_init (&bailout_frame->list);
- frames->count--;
- }
- }
-
- return bailout_frame;
-}
-
-void
-saved_frames_unwind (xlator_t *this, struct saved_frames *saved_frames,
- struct saved_frame *head,
- gf_op_t gf_ops[], char *gf_op_list[])
-{
- struct saved_frame *trav = NULL;
- struct saved_frame *tmp = NULL;
-
- gf_hdr_common_t hdr = {0, };
- call_frame_t *frame = NULL;
-
- hdr.rsp.op_ret = hton32 (-1);
- hdr.rsp.op_errno = hton32 (ENOTCONN);
-
- list_for_each_entry_safe (trav, tmp, &head->list, list) {
- gf_log (this->name, GF_LOG_ERROR,
- "forced unwinding frame type(%d) op(%s)",
- trav->type, gf_op_list[trav->op]);
-
- hdr.type = hton32 (trav->type);
- hdr.op = hton32 (trav->op);
-
- frame = trav->frame;
-
- saved_frames->count--;
-
- gf_ops[trav->op] (frame, &hdr, sizeof (hdr), NULL);
-
- list_del_init (&trav->list);
- GF_FREE (trav);
- }
-}
-
-
-void
-saved_frames_destroy (xlator_t *this, struct saved_frames *frames,
- gf_op_t gf_fops[], gf_op_t gf_mops[], gf_op_t gf_cbks[])
-{
- saved_frames_unwind (this, frames, &frames->fops, gf_fops, gf_fop_list);
- saved_frames_unwind (this, frames, &frames->mops, gf_mops, gf_mop_list);
- saved_frames_unwind (this, frames, &frames->cbks, gf_cbks, gf_cbk_list);
-
- GF_FREE (frames);
-}