--- /dev/null
+(* HCoop Domtool (http://hcoop.sourceforge.net/)
+ * Copyright (c) 2014 Clinton Ebadi <clinton@unknownlamer.org>
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *)
+
+(* Convenience interface for connecting to workers *)
+
+signature CONNECT = sig
+
+ val requestDispatcherBio : OpenSSL.context -> OpenSSL.bio
+ val requestWorkerBio : OpenSSL.context * string -> OpenSSL.bio
+
+ val commandWorker : OpenSSL.context * string * MsgTypes.msg -> bool
+ (* Tell a node to do something *)
+
+end
--- /dev/null
+(* HCoop Domtool (http://hcoop.sourceforge.net/)
+ * Copyright (c) 2014 Clinton Ebadi <clinton@unknownlamer.org>
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *)
+
+structure Connect :> CONNECT = struct
+
+open MsgTypes
+
+fun requestDispatcherBio context =
+ OpenSSL.connect true (context, Domain.nodeIp Config.dispatcherName ^ ":" ^ Int.toString Config.dispatcherPort)
+
+fun requestWorkerBio (context, node) =
+ OpenSSL.connect true (context, Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort)
+
+fun commandWorker (context, node, message) =
+(* It might be worth making this context -> node -> message -> bool *)
+ let
+ val bio = requestWorkerBio (context, node)
+ in
+ Msg.send (bio, message);
+ (case Msg.recv bio of
+ NONE => (print "Slave closed connection unexpectedly\n";
+ false)
+ | SOME m =>
+ case m of
+ MsgOk => (print ("Slave " ^ node ^ " finished\n");
+ true)
+ | MsgError s => (print ("Slave " ^ node
+ ^ " returned error: " ^
+ s ^ "\n");
+ false)
+ | _ => (print ("Slave " ^ node
+ ^ " returned unexpected command\n");
+ false))
+ before OpenSSL.close bio
+ handle OpenSSL.OpenSSL s => (print ("OpenSSL error: " ^ s ^ "\n");
+ OpenSSL.close bio;
+ false
+ handle OpenSSL.OpenSSL _ => false)
+ end
+ handle OpenSSL.OpenSSL s => (print ("OpenSSL error: " ^ s ^ "\n");
+ false)
+
+end