[xen stable-4.17] tools/oxenstored: Rename some 'port' variables to 'remote_port'

[patchbot@xxxxxxx]

commit fd0d9b05970986545656c8f6f688f70f3e78a29b
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Nov 30 03:17:28 2022 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue Dec 20 13:13:40 2022 +0000

    tools/oxenstored: Rename some 'port' variables to 'remote_port'
    
    This will make the logic clearer when we plumb local_port through these
    functions.
    
    While doing this, rearrange the construct in Domains.create0 to separate the
    remote port handling from the interface handling.  (The interface logic is
    dubious in several ways, but not altered by this cleanup.)
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Edwin Török <edvin.torok@xxxxxxxxxx>
    Acked-by: Christian Lindig <christian.lindig@xxxxxxxxxx>
    (cherry picked from commit 31fbee749a75621039ca601eaee7222050a7dd83)
---
 tools/ocaml/xenstored/domains.ml   | 26 ++++++++++++--------------
 tools/ocaml/xenstored/process.ml   | 12 ++++++------
 tools/ocaml/xenstored/xenstored.ml |  8 ++++----
 3 files changed, 22 insertions(+), 24 deletions(-)

diff --git a/tools/ocaml/xenstored/domains.ml b/tools/ocaml/xenstored/domains.ml
index 17fe2fa257..26018ac0dd 100644
--- a/tools/ocaml/xenstored/domains.ml
+++ b/tools/ocaml/xenstored/domains.ml
@@ -122,9 +122,9 @@ let cleanup doms =
 let resume _doms _domid =
        ()
 
-let create doms domid mfn port =
+let create doms domid mfn remote_port =
        let interface = Xenctrl.map_foreign_range xc domid 
(Xenmmap.getpagesize()) mfn in
-       let dom = Domain.make domid mfn port interface doms.eventchn in
+       let dom = Domain.make domid mfn remote_port interface doms.eventchn in
        Hashtbl.add doms.table domid dom;
        Domain.bind_interdomain dom;
        dom
@@ -133,18 +133,16 @@ let xenstored_kva = ref ""
 let xenstored_port = ref ""
 
 let create0 doms =
-       let port, interface =
-               (
-                       let port = Utils.read_file_single_integer 
!xenstored_port
-                       and fd = Unix.openfile !xenstored_kva
-                                              [ Unix.O_RDWR ] 0o600 in
-                       let interface = Xenmmap.mmap fd Xenmmap.RDWR 
Xenmmap.SHARED
-                                                 (Xenmmap.getpagesize()) 0 in
-                       Unix.close fd;
-                       port, interface
-               )
-               in
-       let dom = Domain.make 0 Nativeint.zero port interface doms.eventchn in
+       let remote_port = Utils.read_file_single_integer !xenstored_port in
+
+       let interface =
+               let fd = Unix.openfile !xenstored_kva [ Unix.O_RDWR ] 0o600 in
+               let interface = Xenmmap.mmap fd Xenmmap.RDWR Xenmmap.SHARED 
(Xenmmap.getpagesize()) 0 in
+               Unix.close fd;
+               interface
+       in
+
+       let dom = Domain.make 0 Nativeint.zero remote_port interface 
doms.eventchn in
        Hashtbl.add doms.table 0 dom;
        Domain.bind_interdomain dom;
        Domain.notify dom;
diff --git a/tools/ocaml/xenstored/process.ml b/tools/ocaml/xenstored/process.ml
index 72a79e9328..b2973aca2a 100644
--- a/tools/ocaml/xenstored/process.ml
+++ b/tools/ocaml/xenstored/process.ml
@@ -558,10 +558,10 @@ let do_transaction_end con t domains cons data =
 let do_introduce con t domains cons data =
        if not (Connection.is_dom0 con)
        then raise Define.Permission_denied;
-       let (domid, mfn, port) =
+       let (domid, mfn, remote_port) =
                match (split None '\000' data) with
-               | domid :: mfn :: port :: _ ->
-                       int_of_string domid, Nativeint.of_string mfn, 
int_of_string port
+               | domid :: mfn :: remote_port :: _ ->
+                       int_of_string domid, Nativeint.of_string mfn, 
int_of_string remote_port
                | _                         -> raise Invalid_Cmd_Args;
                in
        let dom =
@@ -569,18 +569,18 @@ let do_introduce con t domains cons data =
                        let edom = Domains.find domains domid in
                        if (Domain.get_mfn edom) = mfn && 
(Connections.find_domain cons domid) != con then begin
                                (* Use XS_INTRODUCE for recreating the xenbus 
event-channel. *)
-                               edom.remote_port <- port;
+                               edom.remote_port <- remote_port;
                                Domain.bind_interdomain edom;
                        end;
                        edom
                else try
-                       let ndom = Domains.create domains domid mfn port in
+                       let ndom = Domains.create domains domid mfn remote_port 
in
                        Connections.add_domain cons ndom;
                        Connections.fire_spec_watches (Transaction.get_root t) 
cons Store.Path.introduce_domain;
                        ndom
                with _ -> raise Invalid_Cmd_Args
        in
-       if (Domain.get_remote_port dom) <> port || (Domain.get_mfn dom) <> mfn 
then
+       if (Domain.get_remote_port dom) <> remote_port || (Domain.get_mfn dom) 
<> mfn then
                raise Domain_not_match
 
 let do_release con t domains cons data =
diff --git a/tools/ocaml/xenstored/xenstored.ml 
b/tools/ocaml/xenstored/xenstored.ml
index 55071b49ec..1f11f576b5 100644
--- a/tools/ocaml/xenstored/xenstored.ml
+++ b/tools/ocaml/xenstored/xenstored.ml
@@ -167,10 +167,10 @@ let from_channel_f chan global_f socket_f domain_f 
watch_f store_f =
                                        global_f ~rw
                                | "socket" :: fd :: [] ->
                                        socket_f ~fd:(int_of_string fd)
-                               | "dom" :: domid :: mfn :: port :: []->
+                               | "dom" :: domid :: mfn :: remote_port :: []->
                                        domain_f (int_of_string domid)
                                                 (Nativeint.of_string mfn)
-                                                (int_of_string port)
+                                                (int_of_string remote_port)
                                | "watch" :: domid :: path :: token :: [] ->
                                        watch_f (int_of_string domid)
                                                (unhexify path) (unhexify token)
@@ -209,10 +209,10 @@ let from_channel store cons doms chan =
                else
                        warn "Ignoring invalid socket FD %d" fd
        in
-       let domain_f domid mfn port =
+       let domain_f domid mfn remote_port =
                let ndom =
                        if domid > 0 then
-                               Domains.create doms domid mfn port
+                               Domains.create doms domid mfn remote_port
                        else
                                Domains.create0 doms
                        in
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.17