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//
// 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
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stream.h>
#include <stdlib.h>
#include <fstream.h>
#include <iomanip.h>
#include <time.h>
#include <string.h>
#include "rpcs16.h"
#include "rpcs32.h"
#include "rpcsfactory.h"
#include "bufferstore.h"
#include "ppsocket.h"
#include "Enum.h"
ENUM_DEFINITION(rpcsfactory::errs, rpcsfactory::FACERR_NONE) {
stringRep.add(rpcsfactory::FACERR_NONE, "no error");
stringRep.add(rpcsfactory::FACERR_COULD_NOT_SEND, "could not send version request");
stringRep.add(rpcsfactory::FACERR_AGAIN, "try again");
stringRep.add(rpcsfactory::FACERR_NOPSION, "no psion connected");
stringRep.add(rpcsfactory::FACERR_PROTVERSION, "wrong protocol version");
stringRep.add(rpcsfactory::FACERR_NORESPONSE, "no response from ncpd");
}
rpcsfactory::rpcsfactory(ppsocket *_skt)
{
err = FACERR_NONE;
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;
err = FACERR_NONE;
a.addStringT("NCP$INFO");
if (!skt->sendBufferStore(a)) {
if (!reconnect)
err = FACERR_COULD_NOT_SEND;
else {
skt->closeSocket();
skt->reconnect();
err = FACERR_AGAIN;
}
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();
skt->reconnect();
err = FACERR_NOPSION;
return NULL;
}
// Invalid protocol version
err = FACERR_PROTVERSION;
} else
err = FACERR_NORESPONSE;
// No message returned.
return NULL;
}
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