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/*****************************************************************************
*
* Copyright (c) 2000 - 2010, Lawrence Livermore National Security, LLC
* Produced at the Lawrence Livermore National Laboratory
* LLNL-CODE-400124
* All rights reserved.
*
* This file is part of VisIt. For details, see https://visit.llnl.gov/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the disclaimer (as noted below) in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the LLNS/LLNL nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL LAWRENCE LIVERMORE NATIONAL SECURITY,
* LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*****************************************************************************/
#ifndef VISIT_RPC_H
#define VISIT_RPC_H
#include <state_exports.h>
#include <AttributeSubject.h>
#include <string>
// ****************************************************************************
// Modifications:
//
// Hank Childs, Thu Feb 8 10:22:45 PST 2007
// Make sure that MaxStageNum is never less than CurStageNum.
//
// Brad Whitlock, Fri Dec 7 11:57:01 PST 2007
// Added TypeName overrides.
//
// ****************************************************************************
class Xfer;
//-----------------------------------------------------------------------------
// Class: VisItRPC
//-----------------------------------------------------------------------------
class STATE_API VisItRPC : public AttributeSubject
{
public:
// enum: status
enum status
{
none,
incomplete,
complete,
error,
warning,
abort
};
// Class: RPCReply
class STATE_API RPCReply : public AttributeSubject
{
public:
RPCReply(int s, AttributeSubject *d);
~RPCReply();
virtual void SelectAll();
void SetStatus(int s);
int GetStatus() const;
void SetMessage(const std::string &msg);
const std::string &Message() const;
void SetExceptionType(const std::string &type);
const std::string &GetExceptionType() const;
void SetData(AttributeSubject *d);
AttributeSubject *GetData();
void SetRPCName(const std::string &);
virtual const std::string TypeName() const;
private:
int status;
std::string message;
std::string type;
AttributeSubject *data;
// non-transmissible
std::string rpcName;
};
public:
VisItRPC(const char *, int s=none, AttributeSubject *d=NULL);
virtual ~VisItRPC();
int GetStatus() const;
const std::string &Message() const;
const std::string &GetExceptionType() const;
RPCReply *GetReply();
virtual void SetXfer(Xfer *x);
void SendAbort();
void SendError();
void SendError(const std::string &msg);
void SendError(const std::string &msg, const std::string &etype);
void SendWarning(const std::string &msg);
virtual const std::string TypeName() const
{
return "VisItRPC";
}
protected:
virtual void Execute() = 0;
void SendReply(int s, AttributeSubject *d);
void RecvReply();
RPCReply reply;
Xfer *xfer;
};
//-----------------------------------------------------------------------------
// Class: NonBlockingRPC
//-----------------------------------------------------------------------------
class STATE_API NonBlockingRPC : public VisItRPC
{
public:
// Class: CompletionData
class STATE_API CompletionData : public AttributeSubject
{
private:
int percent;
int replyLen;
int curStageNum;
int maxStageNum;
std::string curStageName;
AttributeSubject *replyData;
public:
CompletionData() : AttributeSubject("iiiisa"), percent(0),
curStageNum(0), maxStageNum(0), replyData(NULL){ };
virtual ~CompletionData() { };
void SetPercent(int p) { percent=p; Select(0,&percent); };
int GetPercent() const { return percent; };
void SetReplyLen(int l) { replyLen=l; Select(1,&replyLen); };
int GetReplyLen() const { return replyLen; };
void SetCurStageNum(int n) { curStageNum=n; Select(2,&curStageNum); };
void SetCurStageNumWithoutSending(int n) { curStageNum=n; };
int GetCurStageNum() const { return curStageNum; };
void SetMaxStageNum(int n) { maxStageNum=n; Select(3,&maxStageNum); };
int GetMaxStageNum() const { return (maxStageNum > curStageNum ?
maxStageNum : curStageNum+1); };
void SetCurStageName(const std::string &s)
{ curStageName=s; Select(4,&curStageName);};
std::string GetCurStageName() const
{ return curStageName; };
void SetReplyData(AttributeSubject *rd)
{ replyData = rd; if(replyData) Select(5,replyData); };
AttributeSubject *GetReplyData() const { return replyData; };
void SelectAll()
{
Select(0,&percent);
Select(1,&replyLen);
Select(2,&curStageNum);
Select(3,&maxStageNum);
Select(4,&curStageName);
Select(5,replyData);
};
virtual const std::string TypeName() const
{
return "NonBlockingRPC::CompletionData";
}
};
public:
NonBlockingRPC(const char *fmt, AttributeSubject *d = NULL);
virtual ~NonBlockingRPC();
int GetPercent() const;
int GetReplyLen() const;
int GetCurStageNum() const;
int GetMaxStageNum() const;
std::string GetCurStageName() const;
AttributeSubject *GetReplyData() const;
void SendMaxStages(int n);
void SendStage(int n, const std::string &s);
void SendPercent(int p);
void SendStatus(int percent, int curStage, const std::string &curStageName,
int maxStages);
void SendReply(int l);
void SendReply(AttributeSubject *rd=NULL);
void SetCurStageNum(int n) { completion.SetCurStageNumWithoutSending(n); };
void RecvReply();
virtual const std::string TypeName() const
{
return "NonBlockingRPC";
}
protected:
virtual void Execute();
private:
CompletionData completion;
};
//-----------------------------------------------------------------------------
// Class: BlockingRPC
//-----------------------------------------------------------------------------
class STATE_API BlockingRPC : public VisItRPC
{
public:
BlockingRPC(const char *fmt, AttributeSubject *d=NULL);
virtual ~BlockingRPC();
void SendReply(AttributeSubject *d=NULL);
virtual const std::string TypeName() const
{
return "BlockingRPC";
}
protected:
virtual void Execute();
};
#endif
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