216 lines
6.3 KiB
Matlab
216 lines
6.3 KiB
Matlab
function [ErrorCode] = AnalyseComputationalEnviroment(DataInput)
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% Input/Output description:
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%
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% DataInput is the strcture option_.parallel, with the follow fields:
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%
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% Local Define the computation place: 1 is on local machine, 0 remote
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% PcName Intuitive: contain the computer name.
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% NumCPU Intuitive: contain the CPU number.
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% user Intuitive: contain the use name for the PcName.
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% passwd Intuitive: contain the password for the user name in PcName.
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% RemoteDrive Drive used for Local/Remote computation (data exchange, etc) must be contain 'RemoteFolder'.
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% RemoteFolder Folder in RemoteDrive used for Local/Remote computation.
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%
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% This information is typed by the user using the *.mod file,
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% the goal of this function is to check if it correct.
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%
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%
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% The variable ErrorCode is initialized at 0. If there are non problems with
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% Local, PcName connections,... in general with parallel software execution,
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% the ErrorCode is unchanged, in the others cases 1, 2 , ... The values
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% table is below.
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%
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%
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% Table for ErrorCode Values.
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%
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% ErrorCode -> 0 Initial Value -> No Error Detected!!!
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% ErrorCode -> > 1 When an error happens. The value 1, 2, 3... are
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% used to specify the kind of error.
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%
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% Value 1: The variable 'Local' has a bad value!
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%
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% Value 2: The variable 'NumCPU' has a bad value. Parallel Dynare
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% require an input data like [s:d] with s<=d, in this case we
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% have s>d!
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% 2.1 The user asks to use more CPU of those available.
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% 2.2 There are CPU not used!
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%
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% Value 3: The remote computer is unreachable!!!
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%
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% Value 4: The user name and/or password is/are incorrect on the
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% remote computer!
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%
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% Value 5: It is impossible write/read file on remote computer.
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%
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% Then at the point call of this function it is possible react in a best way, in accord
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% with the ErrorCode.
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% Copyright (C) 2009 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
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ErrorCode=0;
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% The function is composed by two main blocks, determined by the 'Local'
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% variable.
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if ((DataInput.Local == 0) |(DataInput.Local == 1))
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% Continue it is Ok!
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else
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ErrorCode=1;
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return
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end
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%%%%%%%%%% Local Machine %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% In this case we need to check only the variable 'NumCPU'.
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% We run the parallel code on local computer, so the others fields are automatically
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% fixed by Dynare. Then the user can also fill them with wrong values.
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if (DataInput.Local == 1)
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yn=isempty(DataInput.NumCPU);
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if yn==1
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ErrorCode=2;
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return
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end
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% We look for the information on local computer hardware.
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si=[];
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de=[];
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[si de]=system(['psinfo \\']);
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RealNumCPU=-1;
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RealNumCPU=GiveCPUnumber(de);
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% Trasforming the input data provided in a form [n1:n2] in a single numerical
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% value.
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DataInput.NumCPU=length(DataInput.NumCPU);
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if DataInput.NumCPU == RealNumCPU
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% It is Ok!
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end
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if DataInput.NumCPU > RealNumCPU
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ErrorCode=2.1;
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end
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if DataInput.NumCPU < RealNumCPU
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ErrorCode=2.2;
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end
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end
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%%%%%%%%%% Remote Machine %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% In this case we need more sophisticated check.
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if (DataInput.Local == 0)
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si=[];
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de=[];
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[si de]=system(['ping ', DataInput.PcName]);
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if si==1
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% It is impossiblie to be connected to the
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% remote computer.
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ErrorCode=3;
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return;
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end
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% -> IL CODICE SEGUENTE E' DA CONTROLLARE E VERIFICARE!
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% The Local Machine can be connetted with Remote Computer.
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% Now we verify if user name and password are correct and if remote
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% drive and remote folder exist on the remote computer and it is
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% possible to exchange data with them.
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si=[];
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de=[];
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[si de]=system(['psinfo \\', DataInput.PcName, ' -u ',DataInput.user, ' -p ',DataInput.passwd ]);
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if si<0
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% It is possible to be connected to the remote computer but it is not usable because the user
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% name and/or password is/are incorrect.
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ErrorCodeComputer=4;
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return;
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else
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% Username and Password are correct!
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end
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% Now we verify if it possible to exchange data with the remote
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% computer:
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fid = fopen('Tracing.txt','w+');
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fclose (fid);
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% ATTENZIONE: verificare perche sembra funzionare anche se il RemoteFolder non
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% esiste.
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Status=movefile('Tracing.txt', ['\\',DataInput.PcName,'\',DataInput.RemoteDrive,'$\',DataInput.RemoteFolder]);
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if Status==1
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% Remote Drive/Folder exist on Remote computer and
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% it is possible to exchange data with him.
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else
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% Move file error!
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ErrorCodeComputer=5;
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return;
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end
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% At this point we can to analyze the remote computer hardware.
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RealNumCPU=-1;
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RealNumCPU=GiveCPUnumber(de);
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% Trasforming the input data provided in a form [n1:n2] in a single numerical
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% value.
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DataInput.NumCPU=length(DataInput.NumCPU);
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if DataInput.NumCPU == RealNumCPU
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% It is Ok!
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end
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if DataInput.NumCPU > RealNumCPU
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ErrorCode=2.1;
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end
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if DataInput.NumCPU < RealNumCPU
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ErrorCode=2.2;
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end
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end
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