summaryrefslogtreecommitdiffstats
path: root/rpc/rpc-lib/src/rpcsvc.h
diff options
context:
space:
mode:
authorRajesh Amaravathi <rajesh@redhat.com>2013-06-21 11:31:11 +0530
committerAnand Avati <avati@redhat.com>2013-06-21 10:33:49 -0700
commit3f72e52c936edf7d1477a69fa3a01f89e0576881 (patch)
tree633d418eef5eef2677ba8db6a1d43e13f983a14b /rpc/rpc-lib/src/rpcsvc.h
parent4cde70a0e5be0a5e49e42c48365f3c0b205f9741 (diff)
rpc: duplicate request cache for nfs
Duplicate request cache provides a mechanism for detecting duplicate rpc requests from clients. DRC caches replies and on duplicate requests, sends the cached reply instead of re-processing the request. Change-Id: I3d62a6c4aa86c92bf61f1038ca62a1a46bf1c303 BUG: 847624 Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com> Reviewed-on: http://review.gluster.org/4049 Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'rpc/rpc-lib/src/rpcsvc.h')
-rw-r--r--rpc/rpc-lib/src/rpcsvc.h19
1 files changed, 17 insertions, 2 deletions
diff --git a/rpc/rpc-lib/src/rpcsvc.h b/rpc/rpc-lib/src/rpcsvc.h
index afa7c992634..67ff74be6bc 100644
--- a/rpc/rpc-lib/src/rpcsvc.h
+++ b/rpc/rpc-lib/src/rpcsvc.h
@@ -140,6 +140,9 @@ typedef struct rpcsvc_auth_data {
#define rpcsvc_auth_flavour(au) ((au).flavour)
+typedef struct drc_client drc_client_t;
+typedef struct drc_cached_op drc_cached_op_t;
+
/* The container for the RPC call handed up to an actor.
* Dynamically allocated. Lives till the call reply is completely
* transmitted.
@@ -241,6 +244,9 @@ struct rpcsvc_request {
/* we need to ref the 'iobuf' in case of 'synctasking' it */
struct iobuf *hdr_iobuf;
+
+ /* pointer to cached reply for use in DRC */
+ drc_cached_op_t *reply;
};
#define rpcsvc_request_program(req) ((rpcsvc_program_t *)((req)->prog))
@@ -314,7 +320,6 @@ typedef void *(*rpcsvc_encode_reply) (void *msg);
*/
typedef void (*rpcsvc_deallocate_reply) (void *msg);
-
#define RPCSVC_NAME_MAX 32
/* The descriptor for each procedure/actor that runs
* over the RPC service.
@@ -336,6 +341,7 @@ typedef struct rpcsvc_actor_desc {
/* Can actor be ran on behalf an unprivileged requestor? */
gf_boolean_t unprivileged;
+ drc_op_type_t op_type;
} rpcsvc_actor_t;
/* Describes a program and its version along with the function pointers
@@ -448,6 +454,13 @@ int
rpcsvc_unregister_notify (rpcsvc_t *svc, rpcsvc_notify_t notify, void *mydata);
int
+rpcsvc_transport_submit (rpc_transport_t *trans, struct iovec *rpchdr,
+ int rpchdrcount, struct iovec *proghdr,
+ int proghdrcount, struct iovec *progpayload,
+ int progpayloadcount, struct iobref *iobref,
+ void *priv);
+
+int
rpcsvc_submit_message (rpcsvc_request_t *req, struct iovec *proghdr,
int hdrcount, struct iovec *payload, int payloadcount,
struct iobref *iobref);
@@ -558,6 +571,9 @@ int rpcsvc_callback_submit (rpcsvc_t *rpc, rpc_transport_t *trans,
rpcsvc_cbk_program_t *prog, int procnum,
struct iovec *proghdr, int proghdrcount);
+rpcsvc_actor_t *
+rpcsvc_program_actor (rpcsvc_request_t *req);
+
int
rpcsvc_transport_unix_options_build (dict_t **options, char *filepath);
int
@@ -571,5 +587,4 @@ rpcsvc_volume_allowed (dict_t *options, char *volname);
rpcsvc_vector_sizer
rpcsvc_get_program_vector_sizer (rpcsvc_t *svc, uint32_t prognum,
uint32_t progver, uint32_t procnum);
-
#endif