Source

petsc-dev / src / sys / classes / viewer / impls / ams / ams.c

#include <petsc-private/viewerimpl.h>
#include <petscviewerams.h>
#include <petscsys.h>

typedef struct {
  char     *ams_name;
  AMS_Comm ams_comm;
} PetscViewer_AMS;

#undef __FUNCT__
#define __FUNCT__ "PetscViewerAMSSetCommName_AMS"
PetscErrorCode PetscViewerAMSSetCommName_AMS(PetscViewer v,const char name[])
{
  PetscViewer_AMS *vams = (PetscViewer_AMS*)v->data;
  PetscErrorCode  ierr;
  int             port = -1;
  PetscBool       flg,flg2;
  char            m[64];

  PetscFunctionBegin;
  ierr = PetscOptionsGetInt(NULL,"-ams_port",&port,NULL);CHKERRQ(ierr);
  ierr = PetscInfo1(v,"Publishing with the AMS on port %d\n",port);CHKERRQ(ierr);
  ierr = AMS_Comm_publish((char*)name,&vams->ams_comm,MPI_TYPE,PetscObjectComm((PetscObject)v),&port);CHKERRQ(ierr);

  ierr = PetscOptionsHasName(NULL,"-ams_printf",&flg);CHKERRQ(ierr);
  if (!flg) {
#if !defined(PETSC_MISSING_DEV_NULL)
    ierr = AMS_Set_output_file("/dev/null");CHKERRQ(ierr);
#endif
  }

  ierr = PetscOptionsGetString(NULL,"-ams_matlab",m,16,&flg);CHKERRQ(ierr);
  if (flg) {
    FILE *fp;
    ierr = PetscStartMatlab(PetscObjectComm((PetscObject)v),m,"petscview",&fp);CHKERRQ(ierr);
  }

  ierr = PetscGetHostName(m,64);CHKERRQ(ierr);
  ierr = PetscOptionsHasName(NULL,"-ams_java",&flg);CHKERRQ(ierr);
  if (flg) {
    ierr = PetscOptionsGetString(NULL,"-ams_java",m,64,&flg);CHKERRQ(ierr);
    ierr = PetscOptionsHasName(NULL,"-options_gui",&flg2);CHKERRQ(ierr);
    if (flg2) {
      char cmd[PETSC_MAX_PATH_LEN];
      ierr = PetscStrcpy(cmd,"cd ${PETSC_DIR}/${PETSC_ARCH}/bin;java -d64 -classpath .:");CHKERRQ(ierr);
      ierr = PetscStrcat(cmd,PETSC_AMS_DIR);CHKERRQ(ierr);
      ierr = PetscStrcat(cmd,"/java -Djava.library.path=");CHKERRQ(ierr);
      ierr = PetscStrcat(cmd,PETSC_AMS_DIR);CHKERRQ(ierr);
      ierr = PetscStrcat(cmd,"/lib amsoptions -ams_server ${HOSTNAME}");CHKERRQ(ierr);
      ierr = PetscPOpen(PetscObjectComm((PetscObject)v),m,cmd,"r",NULL);CHKERRQ(ierr);
    }
  }
  PetscFunctionReturn(0);
}

#undef __FUNCT__
#define __FUNCT__ "PetscViewerAMSGetAMSComm_AMS"
PetscErrorCode PetscViewerAMSGetAMSComm_AMS(PetscViewer lab,AMS_Comm *ams_comm)
{
  PetscViewer_AMS *vams = (PetscViewer_AMS*)lab->data;

  PetscFunctionBegin;
  if (vams->ams_comm == -1) SETERRQ(PetscObjectComm((PetscObject)lab),PETSC_ERR_ARG_WRONGSTATE,"AMS communicator name not yet set with PetscViewerAMSSetCommName()");
  *ams_comm = vams->ams_comm;
  PetscFunctionReturn(0);
}

#undef __FUNCT__
#define __FUNCT__ "PetscViewerAMSSetCommName"
PetscErrorCode PetscViewerAMSSetCommName(PetscViewer v,const char name[])
{
  PetscErrorCode ierr;

  PetscFunctionBegin;
  PetscValidHeaderSpecific(v,PETSC_VIEWER_CLASSID,1);
  ierr = PetscTryMethod(v,"PetscViewerAMSSetCommName_C",(PetscViewer,const char[]),(v,name));CHKERRQ(ierr);
  PetscFunctionReturn(0);
}

#undef __FUNCT__
#define __FUNCT__ "PetscViewerAMSGetAMSComm"
/*@C
    PetscViewerAMSGetAMSComm - Gets the AMS communicator associated with the PetscViewer.

    Collective on MPI_Comm

    Input Parameters:
.   lab - the PetscViewer

    Output Parameter:
.   ams_comm - the AMS communicator

    Level: developer

    Fortran Note:
    This routine is not supported in Fortran.

  Concepts: publishing variables
  Concepts: AMS^getting communicator
  Concepts: communicator^accessing AMS communicator

.seealso: PetscViewerDestroy(), PetscViewerAMSOpen(), PETSC_VIEWER_AMS_, PETSC_VIEWER_AMS_WORLD, PETSC_VIEWER_AMS_SELF

@*/
PetscErrorCode PetscViewerAMSGetAMSComm(PetscViewer v,AMS_Comm *ams_comm)
{
  PetscErrorCode ierr;

  PetscFunctionBegin;
  PetscValidHeaderSpecific(v,PETSC_VIEWER_CLASSID,1);
  ierr = PetscTryMethod(v,"PetscViewerAMSGetAMSComm_C",(PetscViewer,AMS_Comm*),(v,ams_comm));CHKERRQ(ierr);
  PetscFunctionReturn(0);
}

/*
    The variable Petsc_Viewer_Ams_keyval is used to indicate an MPI attribute that
  is attached to a communicator, in this case the attribute is a PetscViewer.
*/
static PetscMPIInt Petsc_Viewer_Ams_keyval = MPI_KEYVAL_INVALID;

#undef __FUNCT__
#define __FUNCT__ "PETSC_VIEWER_AMS_"
/*@C
     PETSC_VIEWER_AMS_ - Creates an AMS memory snooper PetscViewer shared by all processors
                   in a communicator.

     Collective on MPI_Comm

     Input Parameters:
.    comm - the MPI communicator to share the PetscViewer

     Level: developer

     Notes:
     Unlike almost all other PETSc routines, PetscViewer_AMS_ does not return
     an error code.  The window PetscViewer is usually used in the form
$       XXXView(XXX object,PETSC_VIEWER_AMS_(comm));

.seealso: PETSC_VIEWER_AMS_WORLD, PETSC_VIEWER_AMS_SELF
@*/
PetscViewer PETSC_VIEWER_AMS_(MPI_Comm comm)
{
  PetscErrorCode ierr;
  PetscMPIInt    flag;
  PetscViewer    viewer;
  char           name[128];
  MPI_Comm       ncomm;

  PetscFunctionBegin;
  ierr = PetscCommDuplicate(comm,&ncomm,NULL);if (ierr) {PetscError(PETSC_COMM_SELF,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,PETSC_ERR_PLIB,PETSC_ERROR_INITIAL," ");PetscFunctionReturn(0);}
  if (Petsc_Viewer_Ams_keyval == MPI_KEYVAL_INVALID) {
    ierr = MPI_Keyval_create(MPI_NULL_COPY_FN,MPI_NULL_DELETE_FN,&Petsc_Viewer_Ams_keyval,0);
    if (ierr) {PetscError(ncomm,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,1,PETSC_ERROR_INITIAL," "); viewer = 0;}
  }
  ierr = MPI_Attr_get(ncomm,Petsc_Viewer_Ams_keyval,(void**)&viewer,&flag);
  if (ierr) {PetscError(ncomm,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,1,PETSC_ERROR_INITIAL," "); viewer = 0;}
  if (!flag) { /* PetscViewer not yet created */
    ierr = PetscStrcpy(name,"PETSc");
    if (ierr) {PetscError(ncomm,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,1,PETSC_ERROR_INITIAL," "); viewer = 0;}
    ierr = PetscViewerAMSOpen(ncomm,name,&viewer);
    if (ierr) {PetscError(ncomm,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,1,PETSC_ERROR_INITIAL," "); viewer = 0;}
    ierr = PetscObjectRegisterDestroy((PetscObject)viewer);
    if (ierr) {PetscError(ncomm,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,1,PETSC_ERROR_INITIAL," "); viewer = 0;}
    ierr = MPI_Attr_put(ncomm,Petsc_Viewer_Ams_keyval,(void*)viewer);
    if (ierr) {PetscError(ncomm,__LINE__,"PETSC_VIEWER_AMS_",__FILE__,__SDIR__,1,PETSC_ERROR_INITIAL," "); viewer = 0;}
  }
  PetscFunctionReturn(viewer);
}

/*
       If there is a PetscViewer associated with this communicator, it is destroyed.
*/
#undef __FUNCT__
#define __FUNCT__ "PetscViewer_AMS_Destroy"
PetscErrorCode PetscViewer_AMS_Destroy(MPI_Comm comm)
{
  PetscErrorCode ierr;
  PetscMPIInt    flag;
  PetscViewer    viewer;

  PetscFunctionBegin;
  if (Petsc_Viewer_Ams_keyval == MPI_KEYVAL_INVALID) PetscFunctionReturn(0);

  ierr = MPI_Attr_get(comm,Petsc_Viewer_Ams_keyval,(void**)&viewer,&flag);CHKERRQ(ierr);
  if (flag) {
    ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
    ierr = MPI_Attr_delete(comm,Petsc_Viewer_Ams_keyval);CHKERRQ(ierr);
  }
  PetscFunctionReturn(0);
}

#undef __FUNCT__
#define __FUNCT__ "PetscViewerDestroy_AMS"
static PetscErrorCode PetscViewerDestroy_AMS(PetscViewer viewer)
{
  PetscViewer_AMS *vams = (PetscViewer_AMS*)viewer->data;
  PetscErrorCode  ierr;

  PetscFunctionBegin;
  /*
     Make sure that we mark that the stack is no longer published
  */
  if (PetscObjectComm((PetscObject)viewer) == PETSC_COMM_WORLD) {
    ierr = PetscStackDepublish();CHKERRQ(ierr);
  }

  ierr = AMS_Comm_destroy(vams->ams_comm);
  if (ierr) {
    char *err;
    AMS_Explain_error(ierr,&err);
    SETERRQ(PetscObjectComm((PetscObject)viewer),ierr,err);
  }
  ierr = PetscFree(vams);CHKERRQ(ierr);
  PetscFunctionReturn(0);
}

#undef __FUNCT__
#define __FUNCT__ "PetscViewerCreate_AMS"
PETSC_EXTERN PetscErrorCode PetscViewerCreate_AMS(PetscViewer v)
{
  PetscViewer_AMS *vams;
  PetscErrorCode  ierr;

  PetscFunctionBegin;
  v->ops->destroy = PetscViewerDestroy_AMS;
  ierr            = PetscNew(PetscViewer_AMS,&vams);CHKERRQ(ierr);
  v->data         = (void*)vams;
  vams->ams_comm  = -1;

  ierr = PetscObjectComposeFunction((PetscObject)v,"PetscViewerAMSSetCommName_C","PetscViewerAMSSetCommName_AMS",PetscViewerAMSSetCommName_AMS);CHKERRQ(ierr);
  ierr = PetscObjectComposeFunction((PetscObject)v,"PetscViewerAMSGetAMSComm_C","PetscViewerAMSGetAMSComm_AMS",PetscViewerAMSGetAMSComm_AMS);CHKERRQ(ierr);
  PetscFunctionReturn(0);
}
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