PLearn 0.1
AutoRunCommand.cc
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00001 
00002 // -*- C++ -*-
00003 
00004 // AutoRunCommand.cc
00005 //
00006 // Copyright (C) 2003  Pascal Vincent 
00007 // 
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions are met:
00010 // 
00011 //  1. Redistributions of source code must retain the above copyright
00012 //     notice, this list of conditions and the following disclaimer.
00013 // 
00014 //  2. Redistributions in binary form must reproduce the above copyright
00015 //     notice, this list of conditions and the following disclaimer in the
00016 //     documentation and/or other materials provided with the distribution.
00017 // 
00018 //  3. The name of the authors may not be used to endorse or promote
00019 //     products derived from this software without specific prior written
00020 //     permission.
00021 // 
00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 // 
00033 // This file is part of the PLearn library. For more information on the PLearn
00034 // library, go to the PLearn Web site at www.plearn.org
00035 
00036 /* *******************************************************      
00037  * $Id: AutoRunCommand.cc 4203 2005-10-07 19:51:38Z tihocan $ 
00038  ******************************************************* */
00039 
00042 #include "AutoRunCommand.h"
00043 #include "RunCommand.h"
00044 #include <plearn/math/TVec.h>
00045 
00046 #include <plearn/io/fileutils.h>
00047 
00048 // norman: added check for win32
00049 #ifndef WIN32
00050 #include <unistd.h>
00051 #endif
00052 
00053 namespace PLearn {
00054 using namespace std;
00055 
00057 PLearnCommandRegistry AutoRunCommand::reg_(new AutoRunCommand);
00058 
00060 void AutoRunCommand::run(const vector<string>& args)
00061 {
00062     string scriptname = args[0];
00063     int nargs = int(args.size());
00064 
00065     vector<string> runargs(1);
00066     runargs[0] = scriptname;
00067 
00068     TVec<time_t> times(nargs);
00069 
00070     for(;;)
00071     {
00072         try 
00073         {
00074             RunCommand rc;
00075             cerr << ">>> Running script " << scriptname << endl; 
00076             rc.run(runargs);
00077         }
00078         catch(const PLearnError& e)
00079         {
00080             cerr << "FATAL ERROR running script " << scriptname << "\n"
00081                  << e.message() << endl;
00082         }
00083       
00084         sleep(1);
00085 
00086         // Store times
00087         for(int k=0; k<nargs; k++)
00088             times[k] = mtime(args[k]);
00089 
00090         bool up_to_date = true;
00091         while(up_to_date)
00092         {
00093             sleep(1);
00094             for(int k=0; k<nargs; k++)
00095                 if(times[k] < mtime(args[k]))
00096                 {
00097                     cerr << " File " << args[k] << " has changed." << endl;
00098                     up_to_date = false;
00099                 }
00100         }
00101     }
00102 
00103 }
00104 
00105 } // end of namespace PLearn
00106 
00107 
00108 /*
00109   Local Variables:
00110   mode:c++
00111   c-basic-offset:4
00112   c-file-style:"stroustrup"
00113   c-file-offsets:((innamespace . 0)(inline-open . 0))
00114   indent-tabs-mode:nil
00115   fill-column:79
00116   End:
00117 */
00118 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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