| 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
| 2 | * Copyright (c) 2014 Clinton Ebadi <clinton@unknownlamer.org> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | *) |
| 18 | |
| 19 | structure Connect :> CONNECT = struct |
| 20 | |
| 21 | open MsgTypes |
| 22 | |
| 23 | fun requestDispatcherBio context = |
| 24 | OpenSSL.connect true (context, Domain.nodeIp Config.dispatcherName ^ ":" ^ Int.toString Config.dispatcherPort) |
| 25 | |
| 26 | fun requestWorkerBio (context, node) = |
| 27 | OpenSSL.connect true (context, Domain.nodeIp node ^ ":" ^ Int.toString Config.slavePort) |
| 28 | |
| 29 | fun commandWorker (context, node, message) = |
| 30 | (* It might be worth making this context -> node -> message -> bool *) |
| 31 | let |
| 32 | val bio = requestWorkerBio (context, node) |
| 33 | in |
| 34 | Msg.send (bio, message); |
| 35 | (case Msg.recv bio of |
| 36 | NONE => (print "Slave closed connection unexpectedly\n"; |
| 37 | false) |
| 38 | | SOME m => |
| 39 | case m of |
| 40 | MsgOk => (print ("Slave " ^ node ^ " finished\n"); |
| 41 | true) |
| 42 | | MsgError s => (print ("Slave " ^ node |
| 43 | ^ " returned error: " ^ |
| 44 | s ^ "\n"); |
| 45 | false) |
| 46 | | _ => (print ("Slave " ^ node |
| 47 | ^ " returned unexpected command\n"); |
| 48 | false)) |
| 49 | before OpenSSL.close bio |
| 50 | handle OpenSSL.OpenSSL s => (print ("OpenSSL error: " ^ s ^ "\n"); |
| 51 | OpenSSL.close bio; |
| 52 | false |
| 53 | handle OpenSSL.OpenSSL _ => false) |
| 54 | end |
| 55 | handle OpenSSL.OpenSSL s => (print ("OpenSSL error: " ^ s ^ "\n"); |
| 56 | false) |
| 57 | |
| 58 | end |