MPICommunication.hpp

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//***************************************************************************
//
// File:
//   $HeadURL: https://hpctoolkit.googlecode.com/svn/branches/hpctoolkit-hpcserver/src/tool/hpcserver/MPICommunication.hpp $
//
// Purpose:
//   [The purpose of this file]
//
// Description:
//   [The set of functions, macros, etc. defined in the file]
//
//***************************************************************************
#ifndef MPICOMMUNICATION_H_
#define MPICOMMUNICATION_H_


#include "TimeCPID.hpp"

#include <mpi.h>
#include <stdint.h>

namespace TraceviewerServer
{
//Forward declarations so we don't need to include the class just to have a pointer to it
        class DataCompressionLayer;


        class MPICommunication
        {
        public:
                static const int SOCKET_SERVER = 0; //The rank of the node that is doing all the socket comm

                typedef struct
                {
                        char path[1024];
                } open_file_command;
                typedef struct
                {
                        uint32_t processStart;
                        uint32_t processEnd;
                        Time timeStart;
                        Time timeEnd;
                        uint32_t verticalResolution;
                        uint32_t horizontalResolution;
                } get_data_command;
                typedef struct
                {
                        Time minBegTime;
                        Time maxEndTime;
                        int headerSize;
                } more_info_command;

                typedef struct
                {
                        int count;
                        bool excludeMatches;
                } filter_header_command;
                typedef struct
                {
                        int command;
                        union
                        {

                                open_file_command ofile;
                                get_data_command gdata;
                                more_info_command minfo;
                                filter_header_command filt;
                        };
                } CommandMessage;


                typedef struct
                {
                        int rankID;
                        int traceLinesSent;
                } DoneMessage;

                typedef struct
                {
                        int rankID;

                        int line;
                        int entries;
                        Time begtime;
                        Time endtime;
                        int compressedSize;//In Bytes
                } DataHeader;

                typedef struct
                {
                        int tag;
                        union
                        {
                                DataHeader data;
                                DoneMessage done;
                        };
                } ResultMessage;

                typedef struct
                {
                        ResultMessage* header;
                        bool compressed;
                        union{
                                DataCompressionLayer* compMsg;
                                unsigned char* message;
                        };
                        MPI::Request headerRequest;
                        MPI::Request bodyRequest;
                } ResultBufferLocations;
        };

} /* namespace TraceviewerServer */
#endif /* MPICOMMUNICATION_H_ */