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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 2.5 1992/12/06 18:58:15 mnl Exp";
-
- // stub.h,v
- // Revision 2.5 1992/12/06 18:58:15 mnl
- // Fixed various bugs and added some Methods.
- //
- // Revision 2.4 1992/08/08 13:23:18 mnl
- // Space allocated for result turned out to be local to a CLIENT*, thus
- // "res", "resmax" and "resproc" have been made member variables of
- // RpcStub.
- //
- // 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 "rpc++/request.h"
-
- class RpcStub
- {
- protected:
- static timeval defaultTimeout;
-
- 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 (bool handle_errors = TRUE);
-
- // 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;
- void* res;
- size_t resmax;
- xdrproc_t resproc;
- RpcRequest* curReq;
- void** curArgs;
-
- void init (u_long prognum, u_long versnum,
- char* hostname, timeval timeout, bool connect);
- // Default error handling prints a message and exit(2)s.
- virtual void* HandleError ();
- void* DoCall (RpcRequest& req, void** args, bool handle_errors);
- void* ReCall (bool);
- };
-
- 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& tv)
- { clnt_control (svc, CLSET_TIMEOUT, &tv); timeout = tv; }
-
- 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
-