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// -*- c++ -*-
/*
Copyright (C) 1991 Peter Bersen
This file is part of the rpc++ Library. This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version. This library 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
Modified and partially rewritten March 1992 by Michael N. Lipp,
mnl@dtro.e-technik.th-darmstadt.de. The original copyright terms and
conditions apply without change to any modified or new parts.
*/
#ifndef _RPCSTUB_H_
#define _RPCSTUB_H_
static char _rpcpp_stub_h_[]
= "stub.h,v 2.3 1992/06/15 19:13:31 mnl Exp";
// stub.h,v
// Revision 2.3 1992/06/15 19:13:31 mnl
// Fixed a few bugs, clarified interface.
//
// Revision 2.2 1992/06/13 14:27:43 mnl
// Adapted to (patched) gcc-2.2. Fixed several bugs.
//
// Revision 2.1.1.1 1992/03/08 13:28:43 mnl
// Initial mnl version.
//
#ifdef __GNUG__
#pragma interface
#endif
#undef TRUE
#undef FALSE
#include <bool.h>
#include <String.h>
#include <sys/time.h>
#include "request.h"
class RpcStub
{
protected:
static timeval defaultTimeout;
static void* res;
static size_t resmax;
static xdrproc_t resproc;
void init (u_long prognum, u_long versnum,
char* hostname, timeval timeout, bool connect);
public:
typedef enum
{ noError, notConnected, cantCreate, cantCall,
} errorCode;
// Construct a new stub
RpcStub (u_long prognum, u_long versnum,
char* hostname = "localhost",
timeval timeout = defaultTimeout, bool connect = TRUE);
RpcStub (u_long prognum, u_long versnum,
char* hostname = "localhost",
bool connect = TRUE, timeval timeout = defaultTimeout);
virtual ~RpcStub ();
// Reconnect (in case of failure or delayed connection)
void Reconnect ();
// Various inquiries
virtual bool OK ();
CLIENT* Service ();
// Get/set timeout
timeval GetTimeout () const;
void SetTimeout (timeval& timo);
// Make a call, either with or without an argument. If handle_errors
// is true, "Call" will call the error handler in case of an error.
// Else, it returns 0 as result and it is up to the client to handle
// the error.
// Call with one arg:
void* Call (RpcRequest&, bool handle_errors = TRUE);
// Call with two args:
void* Call (RpcRequest&, void* in, bool handle_errors = TRUE);
// ...
void* Call (RpcRequest& req, void*, void*, bool handle_errors = TRUE);
void* Call (RpcRequest& req, void*, void*, void*, bool handle_errors = TRUE);
void* Call (RpcRequest& req, void*, void*, void*, void*,
bool handle_errors = TRUE);
void* Call (RpcRequest& req, void*, void*, void*, void*, void*,
bool handle_errors = TRUE);
void* Call (RpcRequest& req, void*, void*, void*, void*, void*, void*,
bool handle_errors = TRUE);
void* Call (RpcRequest& req, void*, void*, void*, void*, void*, void*, void*,
bool handle_errors = TRUE);
// Call with N args:
void* Call (RpcRequest& req, void**, bool handle_errors = TRUE);
protected:
void* HandleError (errorCode e);
errorCode errorState;
u_long program;
u_long version;
String server;
timeval timeout;
CLIENT* svc;
// Default error handling prints a message and exit(2)s.
virtual void* HandleError ();
void* DoCall (RpcRequest& req, void** args, bool handle_errors);
};
inline RpcStub::RpcStub (u_long prognum, u_long versnum,
char* hostname, timeval timeout, bool connect)
{ init (prognum, versnum, hostname, timeout, connect); }
inline RpcStub::RpcStub (u_long prognum, u_long versnum,
char* hostname, bool connect, timeval timeout)
{ init (prognum, versnum, hostname, timeout, connect); }
inline virtual bool RpcStub::OK ()
{ return errorState == noError; }
inline CLIENT* RpcStub::Service ()
{ return svc; }
inline timeval RpcStub::GetTimeout () const
{ return timeout; }
inline void RpcStub::SetTimeout (timeval& timo)
{ timeout = timo; }
inline void* RpcStub::Call (RpcRequest& req, bool handle_errors = TRUE)
{ return Call (req, (void*)0, handle_errors); }
inline void* RpcStub::HandleError (errorCode e)
{ errorState = e; return HandleError (); }
#endif
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