Release of plptools-0.5

1 files changed, 85 insertions, 0 deletions

diff --git a/lib/rpcsfactory.cc b/lib/rpcsfactory.cc
new file mode 100644
index 0000000..7358e56
--- /dev/null
+++ b/lib/rpcsfactory.cc
@@ -0,0 +1,85 @@
+//
+//  RPCSFACTORY - factory object that creates an appropriate RPCS object
+//  based on whatever the NCP daemon discovered in the INFO exchange.
+//  Derived from rfsvfactory by Matt J. Gumbley <matt@gumbley.demon.co.uk>
+//
+//  Copyright (C) 2000 Fritz Elfert <felfert@to.com>
+//
+//  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#include <stream.h>
+#include <stdlib.h>
+#include <fstream.h>
+#include <iomanip.h>
+#include <time.h>
+#include <string.h>
+
+#include "defs.h"
+#include "bool.h"
+#include "rpcs16.h"
+#include "rpcs32.h"
+#include "rpcsfactory.h"
+#include "bufferstore.h"
+#include "ppsocket.h"
+
+rpcsfactory::rpcsfactory(ppsocket *_skt) : serNum(0)
+{
+	skt = _skt;
+}
+
+rpcs * rpcsfactory::create(bool reconnect)
+{
+	// skt is connected to the ncp daemon, which will have (hopefully) seen
+	// an INFO exchange, where the protocol version of the remote Psion was
+	// sent, and noted. We have to ask the ncp daemon which protocol it saw,
+	// so we can instantiate the correct rpcs protocol handler for the
+	// caller. We announce ourselves to the NCP daemon, and the relevant
+	// rpcs module will also announce itself.
+	bufferStore a;
+	a.init();
+	a.addStringT("NCP$INFO");
+	if (!skt->sendBufferStore(a)) {
+		if (!reconnect)
+			cerr << "rpcsfactory::create couldn't send version request" << endl;		else {
+			skt->closeSocket();
+			serNum = 0;
+			skt->reconnect();
+		}
+		return NULL;
+	}
+	if (skt->getBufferStore(a) == 1) {
+		if (a.getLen() > 8 && !strncmp(a.getString(), "Series 3", 8)) {
+			return new rpcs16(skt);
+		}
+		else if (a.getLen() > 8 && !strncmp(a.getString(), "Series 5", 8)) {
+			return new rpcs32(skt);
+		}
+		if ((a.getLen() > 8) && !strncmp(a.getString(), "No Psion", 8)) {
+			skt->closeSocket();
+			serNum = 0;
+			skt->reconnect();
+			return NULL;
+		}
+		// Invalid protocol version
+		cerr << "rpcsfactory::create received odd protocol version from
+ncpd! (" << a << ")" << endl;
+	} else {
+		cerr << "rpcsfactory::create sent, response not 1" << endl;
+	}
+
+	// No message returned.
+	return NULL;
+}
+