Slave dispatching working
[hcoop/domtool2.git] / src / domain.sml
index 2d566a3..38993a2 100644 (file)
 
 structure Domain :> DOMAIN = struct
 
+open MsgTypes
+
 structure SM = DataStructures.StringMap
 structure SS = DataStructures.StringSet
 
+val ssl_context = ref (NONE : OpenSSL.context option)
+fun set_context ctx = ssl_context := SOME ctx
+
 val nodes = map #1 Config.nodeIps
 val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip))
                    SM.empty Config.nodeIps
@@ -408,8 +413,8 @@ fun findAllDiffs () =
                            before Posix.FileSys.closedir dir
                        end
                in
-                   explore (OS.Path.joinDirFile {dir = Config.tmpDir,
-                                                 file = site}, diffs)
+                   exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir,
+                                                               file = site}, diffs))
                end
     in
        exploreSites []
@@ -545,12 +550,49 @@ val () = Env.registerPost (fn () =>
                              in
                                  if !ErrorMsg.anyErrors then
                                      ()
-                                 else
-                                     Slave.handleChanges (map #2 diffs);
+                                 else let
+                                         val changed = foldl (fn ((site, file), changed) =>
+                                                                 let
+                                                                     val ls = case SM.find (changed, site) of
+                                                                                  NONE => []
+                                                                                | SOME ls => ls
+                                                                 in
+                                                                     SM.insert (changed, site, file :: ls)
+                                                                 end) SM.empty diffs
+
+                                         fun handleSite (site, files) =
+                                             let
+                                                 
+                                             in
+                                                 print ("New configuration for node " ^ site ^ "\n");
+                                                 if site = Config.defaultNode then
+                                                     Slave.handleChanges files
+                                                 else let
+                                                         val bio = OpenSSL.connect (valOf (!ssl_context),
+                                                                                    nodeIp site
+                                                                                    ^ ":"
+                                                                                    ^ Int.toString Config.slavePort)
+                                                     in
+                                                         app (fn file => Msg.send (bio, MsgFile file)) files;
+                                                         Msg.send (bio, MsgDoFiles);
+                                                         case Msg.recv bio of
+                                                             NONE => print "Slave closed connection unexpectedly\n"
+                                                           | SOME m =>
+                                                             case m of
+                                                                 MsgOk => print ("Slave " ^ site ^ " finished\n")
+                                                               | MsgError s => print ("Slave " ^ site
+                                                                                      ^ " returned error: " ^
+                                                                                      s ^ "\n")
+                                                               | _ => print ("Slave " ^ site
+                                                                             ^ " returned unexpected command\n");
+                                                         OpenSSL.close bio
+                                                     end
+                                             end
+                                     in
+                                         SM.appi handleSite changed
+                                     end;
                                  ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""],
                                                     fn cl => "Temp file cleanup failed: " ^ cl))
                              end)
 
-
-
 end