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!****h* root/fortran/test/vol_connector.F90
!
! NAME
! vol_connector.F90
!
! FUNCTION
!
! Tests basic Fortran VOL plugin operations (registration, etc.).
! Uses the null VOL connector (built with the testing code)
! which is loaded as a dynamic plugin.
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! Copyright by The HDF Group. *
! Copyright by the Board of Trustees of the University of Illinois. *
! All rights reserved. *
! *
! This file is part of HDF5. The full HDF5 copyright notice, including *
! terms governing use, modification, and redistribution, is contained in *
! the COPYING file, which can be found at the root of the source code *
! distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
! If you do not have access to either file, you may request a copy from *
! help@hdfgroup.org. *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
!*****
MODULE VOL_TMOD
USE HDF5
USE TH5_MISC
USE TH5_MISC_GEN
IMPLICIT NONE
INTEGER, PARAMETER :: NATIVE_VOL_CONNECTOR_VALUE = 0
CHARACTER(LEN=180) :: NATIVE_VOL_CONNECTOR_NAME
CONTAINS
!-------------------------------------------------------------------------
! Function: test_registration_by_name()
!
! Purpose: Tests if we can load, register, and close a VOL
! connector by name.
!
!-------------------------------------------------------------------------
!
SUBROUTINE test_registration_by_name(total_error)
IMPLICIT NONE
INTEGER, INTENT(INOUT) :: total_error
INTEGER :: error = 0
LOGICAL :: is_registered = .FALSE.
INTEGER(hid_t) :: vol_id = 0, vol_id_out = 1
CHARACTER(LEN=64) :: name
CHARACTER(LEN=1) :: name_null
INTEGER(SIZE_T) :: name_len
INTEGER(hid_t) :: file_id
! The null VOL connector should not be registered at the start of the test
CALL H5VLis_connector_registered_f( "FAKE_VOL_CONNECTOR_NAME", is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .FALSE., total_error)
! Register the connector by name
CALL H5VLregister_connector_by_name_f(NATIVE_VOL_CONNECTOR_NAME, vol_id, error)
CALL check("H5VLregister_connector_by_name_f",error,total_error)
! The connector should be registered now
CALL H5VLis_connector_registered_f(NATIVE_VOL_CONNECTOR_NAME, is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .TRUE., total_error)
CALL H5VLget_connector_id_f(NATIVE_VOL_CONNECTOR_NAME, vol_id_out, error)
CALL check("H5VLget_connector_id_f",error,total_error)
CALL H5Fcreate_f("voltest.h5",H5F_ACC_TRUNC_F, file_id, error)
CALL check("H5F_create_f",error,total_error)
CALL H5VLget_connector_name_f(file_id, name, error, name_len)
CALL check("H5VLget_connector_name_f",error,total_error)
CALL VERIFY("H5VLget_connector_name_f", INT(name_len), LEN_TRIM(NATIVE_VOL_CONNECTOR_NAME), total_error)
CALL H5VLget_connector_name_f(file_id, name, error)
CALL check("H5VLget_connector_name_f",error,total_error)
CALL VERIFY("H5VLget_connector_name_f", TRIM(name), NATIVE_VOL_CONNECTOR_NAME, total_error)
CALL H5VLget_connector_name_f(file_id, name_null, error, name_len)
CALL check("H5VLget_connector_name_f",error,total_error)
CALL VERIFY("H5VLget_connector_name_f", INT(name_len), LEN_TRIM(NATIVE_VOL_CONNECTOR_NAME), total_error)
CALL H5VLget_connector_name_f(file_id, name_null, error)
CALL check("H5VLget_connector_name_f",error,total_error)
CALL VERIFY("H5VLget_connector_name_f", name_null, NATIVE_VOL_CONNECTOR_NAME(1:1), total_error)
CALL H5Fclose_f(file_id, error)
CALL check("H5Fclose_f",error,total_error)
CALL H5VLclose_f(vol_id_out, error)
CALL check("H5VLclose_f",error, total_error)
END SUBROUTINE test_registration_by_name
!-------------------------------------------------------------------------
! Function: test_registration_by_value()
!
! Purpose: Tests if we can load, register, and close a VOL
! connector by value.
!
!-------------------------------------------------------------------------
SUBROUTINE test_registration_by_value(total_error)
IMPLICIT NONE
INTEGER, INTENT(INOUT) :: total_error
INTEGER :: error = 0
LOGICAL :: is_registered = .FALSE.
INTEGER(hid_t) :: vol_id = 0
! The null VOL connector should not be registered at the start of the test
CALL H5VLis_connector_registered_f( "FAKE_VOL_CONNECTOR_NAME", is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .FALSE., total_error)
! Register the connector by value
CALL H5VLregister_connector_by_value_f(NATIVE_VOL_CONNECTOR_VALUE, vol_id, error)
CALL check("H5VLregister_connector_by_value_f", error, total_error)
! The connector should be registered now
CALL H5VLis_connector_registered_f(NATIVE_VOL_CONNECTOR_NAME, is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .TRUE., total_error)
END SUBROUTINE test_registration_by_value
!-------------------------------------------------------------------------
! Function: test_registration_by_name()
!
! Purpose: Tests if we can load, register, and close a VOL
! connector by name.
!
!-------------------------------------------------------------------------
!
SUBROUTINE test_registration_by_fapl(total_error)
IMPLICIT NONE
INTEGER, INTENT(INOUT) :: total_error
INTEGER :: error = 0
LOGICAL :: is_registered = .FALSE.
INTEGER(hid_t) :: vol_id = 0, vol_id_out = 1
INTEGER(hid_t) :: file_id
INTEGER(hid_t) :: fapl_id
TYPE(C_PTR) :: f_ptr
CALL H5VLis_connector_registered_f( "FAKE_VOL_CONNECTOR_NAME", is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .FALSE., total_error)
! The null VOL connector should not be registered at the start of the test
CALL H5VLis_connector_registered_f( "FAKE_VOL_CONNECTOR_NAME", is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .FALSE., total_error)
CALL H5VLregister_connector_by_name_f(NATIVE_VOL_CONNECTOR_NAME, vol_id, error)
CALL check("H5VLregister_connector_by_name_f",error,total_error)
! The connector should be registered now
CALL H5VLis_connector_registered_f(NATIVE_VOL_CONNECTOR_NAME, is_registered, error)
CALL check("H5VLis_connector_registered_f",error,total_error)
CALL VERIFY("H5VLis_connector_registered_f", is_registered, .TRUE., total_error)
! Register the connector
CALL H5Pcreate_f(H5P_FILE_ACCESS_F, fapl_id, error)
CALL check("H5Pcreate_f",error,total_error)
IF(TRIM(NATIVE_VOL_CONNECTOR_NAME) .EQ. "native")THEN
CALL H5Pset_vol_f(fapl_id, vol_id, error)
CALL check("H5Pset_vol_f",error,total_error)
CALL H5Pget_vol_id_f(fapl_id, vol_id_out, error)
CALL check("H5Pget_vol_id_f",error,total_error)
CALL VERIFY("H5Pget_vol_id_f", vol_id_out, vol_id, total_error)
f_ptr = C_NULL_PTR
CALL H5Pset_vol_f(fapl_id, vol_id, error, f_ptr)
CALL check("H5Pset_vol_f",error,total_error)
CALL H5Pget_vol_id_f(fapl_id, vol_id_out, error)
CALL check("H5Pget_vol_id_f",error,total_error)
CALL VERIFY("H5Pget_vol_id_f", vol_id_out, vol_id, total_error)
ENDIF
CALL H5VLget_connector_id_f(NATIVE_VOL_CONNECTOR_NAME, vol_id_out, error)
CALL check("H5VLget_connector_id_f",error,total_error)
CALL VERIFY("H5VLget_connector_id_f", vol_id_out, vol_id, total_error)
CALL H5Fcreate_f("voltest.h5",H5F_ACC_TRUNC_F, file_id, error, H5P_DEFAULT_F, fapl_id)
CALL check("H5F_create_f",error,total_error)
CALL H5VLclose_f(vol_id_out, error)
CALL check("H5VLclose_f",error, total_error)
CALL H5VLclose_f(vol_id, error)
CALL check("H5VLclose_f",error, total_error)
CALL H5Fclose_f(file_id, error)
CALL check("H5Fclose_f",error,total_error)
CALL H5Pclose_f(fapl_id, error)
CALL check("H5Pclose_f",error,total_error)
END SUBROUTINE test_registration_by_fapl
END MODULE VOL_TMOD
PROGRAM vol_connector
USE HDF5
USE VOL_TMOD
IMPLICIT NONE
INTEGER :: total_error = 0
INTEGER :: error
INTEGER :: ret_total_error
LOGICAL :: cleanup, status
CHARACTER(LEN=12) :: VOL_CONNECTOR_ENV
INTEGER :: LEN = 0
CALL h5open_f(error)
cleanup = .TRUE.
CALL h5_env_nocleanup_f(status)
IF(status) cleanup=.FALSE.
WRITE(*,'(18X,A)') '=============================='
WRITE(*,'(24X,A)') 'FORTRAN VOL tests'
WRITE(*,'(18X,A)') '=============================='
WRITE(*,'(A)') "Testing VOL connector plugin functionality."
! Check to see if the VOL connector was set with an env variable
CALL GET_ENVIRONMENT_VARIABLE("HDF5_VOL_CONNECTOR", VOL_CONNECTOR_ENV, LEN)
IF(LEN.NE.0)THEN
NATIVE_VOL_CONNECTOR_NAME = TRIM(VOL_CONNECTOR_ENV)
ELSE
NATIVE_VOL_CONNECTOR_NAME = "native"
ENDIF
ret_total_error = 0
CALL test_registration_by_name(ret_total_error)
CALL write_test_status(ret_total_error, ' Testing VOL registration by name', total_error)
ret_total_error = 0
CALL test_registration_by_value(ret_total_error)
CALL write_test_status(ret_total_error, ' Testing VOL registration by value', total_error)
ret_total_error = 0
CALL test_registration_by_fapl(ret_total_error)
CALL write_test_status(ret_total_error, ' Testing VOL registration by fapl', total_error)
WRITE(*, fmt = '(/18X,A)') '============================================'
WRITE(*, fmt = '(19X, A)', advance='NO') ' FORTRAN VOL tests completed with '
WRITE(*, fmt = '(I4)', advance='NO') total_error
WRITE(*, fmt = '(A)' ) ' error(s) ! '
WRITE(*,'(18X,A)') '============================================'
CALL h5close_f(error)
! if errors detected, exit with non-zero code.
IF (total_error .NE. 0) CALL h5_exit_f(1)
END PROGRAM vol_connector
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