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

  4: #include <petscvec.h>

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

 13:   PetscInitialize(&argc, &args, (char *)0, help);
 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:   PetscViewerDestroy(&fd);
 26:   PetscFinalize();
 27:   return 0;
 28: }