diff options
| author | Rajesh Amaravathi <rajesh@redhat.com> | 2013-06-21 11:31:11 +0530 |
|---|---|---|
| committer | Anand Avati <avati@redhat.com> | 2013-06-21 10:33:49 -0700 |
| commit | 3f72e52c936edf7d1477a69fa3a01f89e0576881 (patch) | |
| tree | 633d418eef5eef2677ba8db6a1d43e13f983a14b /rpc/rpc-lib/src/rpcsvc.h | |
| parent | 4cde70a0e5be0a5e49e42c48365f3c0b205f9741 (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.h | 19 |
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 |