| 1 | !--- open_for_read_begin |
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| 2 | SUBROUTINE ext_esmf_open_for_read_begin( FileName , Comm_compute, Comm_io, SysDepInfo, & |
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| 3 | DataHandle , Status ) |
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| 4 | USE module_ext_esmf |
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| 5 | IMPLICIT NONE |
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| 6 | CHARACTER*(*) :: FileName |
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| 7 | INTEGER , INTENT(IN) :: Comm_compute , Comm_io |
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| 8 | CHARACTER*(*) :: SysDepInfo |
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| 9 | INTEGER , INTENT(OUT) :: DataHandle |
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| 10 | INTEGER , INTENT(OUT) :: Status |
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| 11 | ! Local declarations |
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| 12 | INTEGER :: i |
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| 13 | TYPE(ESMF_State), POINTER :: importstate |
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| 14 | TYPE(ESMF_StateType) :: statetype |
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| 15 | INTEGER :: rc, itemCount |
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| 16 | |
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| 17 | CALL int_get_fresh_handle(i) |
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| 18 | okay_to_write(i) = .false. |
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| 19 | okay_to_read(i) = .false. |
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| 20 | opened_for_read(i) = .true. |
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| 21 | opened_for_write(i) = .false. |
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| 22 | DataHandle = i |
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| 23 | |
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| 24 | ! Grab the current importState and ensure that it is empty |
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| 25 | CALL ESMF_ImportStateGetCurrent(importstate, rc) |
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| 26 | IF ( rc /= ESMF_SUCCESS ) THEN |
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| 27 | CALL wrf_error_fatal("ext_esmf_open_for_read: ESMF_ImportStateGetCurrent failed" ) |
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| 28 | ENDIF |
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| 29 | ! For now, If the import state is not empty, whine and die. |
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| 30 | !$$$ Eventually, use nested states to allow than one auxinput stream |
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| 31 | !$$$ to be supported via ESMF. |
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| 32 | !$$$ Eventually, get smart about interacting with "needed" and "optional" |
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| 33 | !$$$ named state items |
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| 34 | CALL ESMF_StateGet( importstate, itemCount=itemCount, & |
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| 35 | statetype=statetype, rc=rc ) |
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| 36 | IF ( rc /= ESMF_SUCCESS ) THEN |
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| 37 | CALL wrf_error_fatal("ext_esmf_open_for_read: ESMF_ImportStateGet failed" ) |
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| 38 | ENDIF |
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| 39 | IF ( statetype /= ESMF_STATE_IMPORT ) THEN |
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| 40 | CALL wrf_error_fatal("ext_esmf_open_for_read: not an import state" ) |
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| 41 | ENDIF |
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| 42 | IF ( itemCount /= 0 ) THEN |
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| 43 | CALL wrf_error_fatal("ext_esmf_open_for_read: import state not empty, io_esmf is currently limited to only one auxinput stream" ) |
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| 44 | ENDIF |
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| 45 | |
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| 46 | Status = 0 |
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| 47 | RETURN |
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| 48 | END SUBROUTINE ext_esmf_open_for_read_begin |
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| 49 | |
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| 50 | |
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| 51 | !--- open_for_read_commit |
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| 52 | SUBROUTINE ext_esmf_open_for_read_commit( DataHandle , Status ) |
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| 53 | USE module_ext_esmf |
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| 54 | IMPLICIT NONE |
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| 55 | INTEGER , INTENT(IN ) :: DataHandle |
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| 56 | INTEGER , INTENT(OUT) :: Status |
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| 57 | |
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| 58 | IF ( int_valid_handle( DataHandle ) ) THEN |
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| 59 | IF ( int_handle_in_use( DataHandle ) ) THEN |
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| 60 | okay_to_read( DataHandle ) = .true. |
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| 61 | ENDIF |
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| 62 | ENDIF |
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| 63 | |
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| 64 | Status = 0 |
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| 65 | RETURN |
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| 66 | END SUBROUTINE ext_esmf_open_for_read_commit |
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| 67 | |
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