2: static char help[] = "Sends a PETSc vector to a socket connection, receives it back, within a loop. Works with ex42.c.\n";

  4:  #include <petscvec.h>

  6: int main(int argc,char **args)
  7: {
  8:   Vec            b;
  9:   PetscViewer    fd;
 11:   PetscInt       i;

 13:   PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr;
 14:   /* server indicates we WAIT for someone to connect to our socket */
 15:   PetscViewerSocketOpen(PETSC_COMM_WORLD,"server",PETSC_DEFAULT,&fd);

 17:   VecCreateMPI(PETSC_COMM_WORLD,10000,PETSC_DECIDE,&b);
 18:   for (i=0; i<1000; i++) {
 19:     VecView(b,fd);
 20:     VecDestroy(&b);
 21:     VecCreate(PETSC_COMM_WORLD,&b);
 22:     VecLoad(b,fd);
 23:   }
 24:   VecDestroy(&b);
 25:   PetscFinalize();
 26:   return ierr;
 27: }