diff options
Diffstat (limited to 'src/H5Pfapl.c')
| -rw-r--r-- | src/H5Pfapl.c | 256 |
1 files changed, 244 insertions, 12 deletions
diff --git a/src/H5Pfapl.c b/src/H5Pfapl.c index a416b00..b78df3d 100644 --- a/src/H5Pfapl.c +++ b/src/H5Pfapl.c @@ -29,7 +29,6 @@ /****************/ #define H5P_PACKAGE /*suppress error about including H5Ppkg */ - /***********/ /* Headers */ /***********/ @@ -39,6 +38,7 @@ #include "H5Eprivate.h" /* Error handling */ #include "H5Fprivate.h" /* Files */ #include "H5FDprivate.h" /* File drivers */ +#include "H5VLprivate.h" /* VOL plugins */ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory Management */ #include "H5Ppkg.h" /* Property lists */ @@ -46,11 +46,14 @@ /* Includes needed to set as default file driver */ #include "H5FDsec2.h" /* Posix unbuffered I/O file driver */ #include "H5FDstdio.h" /* Standard C buffered I/O */ + +/* Includes needed to set as default VOL driver */ +#include "H5VLnative.h" /* Native H5 VOL plugin */ + #ifdef H5_HAVE_WINDOWS #include "H5FDwindows.h" /* Windows buffered I/O */ #endif - /****************/ /* Local Macros */ /****************/ @@ -154,6 +157,14 @@ #define H5F_ACS_EFC_SIZE_DEF 0 #define H5F_ACS_EFC_SIZE_ENC H5P__encode_unsigned #define H5F_ACS_EFC_SIZE_DEC H5P__decode_unsigned + +/* Definition for VOL plugin */ +#define H5F_ACS_VOL_SIZE sizeof(void *) +#define H5F_ACS_VOL_DEF H5VL_NATIVE +/* Definition for vol info */ +#define H5F_ACS_VOL_INFO_SIZE sizeof(void*) +#define H5F_ACS_VOL_INFO_DEF NULL + /* Definition of pointer to initial file image info */ #define H5F_ACS_FILE_IMAGE_INFO_SIZE sizeof(H5FD_file_image_info_t) #define H5F_ACS_FILE_IMAGE_INFO_DEF H5FD_DEFAULT_FILE_IMAGE_INFO @@ -161,7 +172,6 @@ #define H5F_ACS_FILE_IMAGE_INFO_COPY H5P_file_image_info_copy #define H5F_ACS_FILE_IMAGE_INFO_CLOSE H5P_file_image_info_close - /******************/ /* Local Typedefs */ /******************/ @@ -264,6 +274,8 @@ static const H5FD_file_image_info_t H5F_def_file_image_info_g = H5F_ACS_FILE_IMA static herr_t H5P_facc_reg_prop(H5P_genclass_t *pclass) { + H5VL_class_t *vol_cls = H5F_ACS_VOL_DEF; /* Default VOL plugin */ + void *vol_info = H5F_ACS_VOL_INFO_DEF; /* Default VOL plugin information*/ const hid_t def_driver_id = H5F_ACS_FILE_DRV_ID_DEF; /* Default VFL driver ID (initialized from a variable) */ herr_t ret_value = SUCCEED; /* Return value */ @@ -390,6 +402,16 @@ H5P_facc_reg_prop(H5P_genclass_t *pclass) NULL, NULL, NULL, NULL) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the file VOL ID */ + if(H5P_register_real(pclass, H5F_ACS_VOL_NAME, H5F_ACS_VOL_SIZE, &vol_cls, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + + /* Register the file VOL INFO */ + if(H5P_register_real(pclass, H5F_ACS_VOL_INFO_NAME, H5F_ACS_VOL_INFO_SIZE, &vol_info, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the initial file image info */ /* (Note: this property should not have an encode/decode callback -QAK) */ if(H5P_register_real(pclass, H5F_ACS_FILE_IMAGE_INFO_NAME, H5F_ACS_FILE_IMAGE_INFO_SIZE, &H5F_def_file_image_info_g, @@ -423,6 +445,7 @@ static herr_t H5P_facc_create(hid_t fapl_id, void UNUSED *copy_data) { hid_t driver_id; + H5VL_class_t *vol_cls; H5P_genplist_t *plist; /* Property list */ herr_t ret_value = SUCCEED; @@ -432,6 +455,21 @@ H5P_facc_create(hid_t fapl_id, void UNUSED *copy_data) if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") + /* Retrieve VOL plugin property */ + if(H5P_get(plist, H5F_ACS_VOL_NAME, &vol_cls) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol plugin") + + if(NULL != vol_cls) { + void *vol_info; + + /* Retrieve VOL plugin info property */ + if(H5P_get(plist, H5F_ACS_VOL_INFO_NAME, &vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol info") + /* Set the vol for the property list */ + if(H5VL_fapl_open(plist, vol_cls, vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set vol") + } + /* Retrieve driver ID property */ if(H5P_get(plist, H5F_ACS_FILE_DRV_ID_NAME, &driver_id) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get driver ID") @@ -473,28 +511,44 @@ static herr_t H5P_facc_copy(hid_t dst_fapl_id, hid_t src_fapl_id, void UNUSED *copy_data) { hid_t driver_id; + H5VL_class_t *vol_cls; H5P_genplist_t *src_plist; /* Source property list */ + H5P_genplist_t *dst_plist; /* Destination property list */ herr_t ret_value = SUCCEED; FUNC_ENTER_NOAPI_NOINIT - /* Get driver ID from source property list */ + if(NULL == (src_plist = (H5P_genplist_t *)H5I_object(src_fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") + if(NULL == (dst_plist = (H5P_genplist_t *)H5I_object(dst_fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") + + /* get VOL plugin from source property list */ + if(H5P_get(src_plist, H5F_ACS_VOL_NAME, &vol_cls) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol ID") + if(NULL != vol_cls) { + void *vol_info; + + /* Retrieve VOL plugin property */ + if(H5P_get(dst_plist, H5F_ACS_VOL_INFO_NAME, &vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol info") + + /* Set the vp; for the destination property list */ + if(H5VL_fapl_open(dst_plist, vol_cls, vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set vol") + } /* end if */ + + /* Get driver ID from source property list */ if(H5P_get(src_plist, H5F_ACS_FILE_DRV_ID_NAME, &driver_id) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get driver ID") - if(driver_id > 0) { - H5P_genplist_t *dst_plist; /* Destination property list */ void *driver_info; /* Get driver info from source property list */ if(H5P_get(src_plist, H5F_ACS_FILE_DRV_INFO_NAME, &driver_info) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get driver info") - /* Set the driver for the destination property list */ - if(NULL == (dst_plist = (H5P_genplist_t *)H5I_object(dst_fapl_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") if(H5FD_fapl_open(dst_plist, driver_id, driver_info) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set driver") } /* end if */ @@ -523,9 +577,10 @@ done: herr_t H5P_facc_close(hid_t fapl_id, void UNUSED *close_data) { - hid_t driver_id; + hid_t driver_id; + H5VL_class_t *vol_cls; H5P_genplist_t *plist; /* Property list */ - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; FUNC_ENTER_NOAPI(FAIL) @@ -533,6 +588,19 @@ H5P_facc_close(hid_t fapl_id, void UNUSED *close_data) if(NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") + /* Get vol plugin */ + if(H5P_get(plist, H5F_ACS_VOL_NAME, &vol_cls) < 0) + HGOTO_DONE(FAIL) /* Can't return errors when library is shutting down */ + if(NULL != vol_cls) { + void *vol_info; + /* Retrieve VOL plugin info property */ + if(H5P_get(plist, H5F_ACS_VOL_INFO_NAME, &vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol info") + /* Close the driver for the property list */ + if(H5VL_fapl_close(vol_cls, vol_info) < 0) + HGOTO_DONE(FAIL) /* Can't return errors when library is shutting down */ + } /* end if */ + /* Get driver ID property */ if(H5P_get(plist, H5F_ACS_FILE_DRV_ID_NAME, &driver_id) < 0) HGOTO_DONE(FAIL) /* Can't return errors when library is shutting down */ @@ -1950,6 +2018,171 @@ done: /*------------------------------------------------------------------------- + * Function: H5P_set_vol + * + * Purpose: Set the vol plugin for a file access property list + * (PLIST_ID). The vol properties will + * be copied into the property list and the reference count on + * the vol will be incremented. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Mohamad Chaarawi + * January, 2012 + * + *------------------------------------------------------------------------- + */ +herr_t +H5P_set_vol(H5P_genplist_t *plist, H5VL_class_t *vol_cls, const void *vol_info) +{ + H5VL_class_t *old_vol_cls; + void *old_vol_info; + herr_t ret_value=SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + if(TRUE == H5P_isa_class(plist->plist_id, H5P_FILE_ACCESS)) { + /* Get the current vol information */ + if(H5P_get(plist, H5F_ACS_VOL_NAME, &old_vol_cls) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol class") + if(H5P_get(plist, H5F_ACS_VOL_INFO_NAME, &old_vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get vol info") + + /* Close the vol for the property list */ + if(H5VL_fapl_close(old_vol_cls, old_vol_info)<0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't reset vol") + + /* Set the vol for the property list */ + if(H5VL_fapl_open(plist, vol_cls, vol_info)<0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set vol") + } + else + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list"); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5P_set_vol() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pset_vol + * + * Purpose: Set the file vol plugin (VOL_ID) for a file access + * property list (PLIST_ID) + * + * Return: Success: Non-negative + * + * Failure: Negative + * + * Programmer: Mohamad Chaarawi + * April, 2012 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pset_vol(hid_t plist_id, hid_t new_vol_id, const void *new_vol_info) +{ + H5P_genplist_t *plist; /* Property list pointer */ + H5VL_class_t *vol_cls; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ii", plist_id, new_vol_id); + + /* Check arguments */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object_verify(plist_id, H5I_GENPROP_LST))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") + if(NULL == (vol_cls = (H5VL_class_t *)H5I_object_verify(new_vol_id, H5I_VOL))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file vol ID") + + /* Set the vol */ + if(H5P_set_vol(plist, vol_cls, new_vol_info) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set vol") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pset_vol() */ + + +/*------------------------------------------------------------------------- + * Function: H5P_get_vol_info + * + * Purpose: Returns a pointer directly to the file vol-specific + * information of a file access property list. + * + * Return: Success: Ptr to *uncopied* vol specific data + * structure if any. + * + * Failure: NULL. Null is also returned if the vol has + * not registered any vol-specific properties + * although no error is pushed on the stack in + * this case. + * + * Programmer: Mohamad Chaarawi + * July, 2012 + * + *------------------------------------------------------------------------- + */ +void * +H5P_get_vol_info(H5P_genplist_t *plist) +{ + void *ret_value=NULL; + + FUNC_ENTER_NOAPI(NULL) + + /* Get the current vol info */ + if( TRUE == H5P_isa_class(plist->plist_id, H5P_FILE_ACCESS) ) { + if(H5P_get(plist, H5F_ACS_VOL_INFO_NAME, &ret_value) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET,NULL,"can't get vol info"); + } else { + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file access property list"); + } + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5P_get_vol_info() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pget_vol_info + * + * Purpose: Returns a pointer directly to the file vol-specific + * information of a file access property list. + * + * Return: Success: Ptr to *uncopied* vol specific data + * structure if any. + * + * Failure: NULL. Null is also returned if the vol has + * not registered any vol-specific properties + * although no error is pushed on the stack in + * this case. + * + * Programmer: Mohamad Chaarawi + * July 2012 + * + *------------------------------------------------------------------------- + */ +void * +H5Pget_vol_info(hid_t plist_id) +{ + H5P_genplist_t *plist; /* Property list pointer */ + void *ret_value; /* Return value */ + + FUNC_ENTER_API(NULL) + + if(NULL == (plist = (H5P_genplist_t *)H5I_object_verify(plist_id, H5I_GENPROP_LST))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a property list") + + if(NULL == (ret_value = H5P_get_vol_info(plist))) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get vol info") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Pget_vol_info() */ + + +/*------------------------------------------------------------------------- * Function: H5Pset_file_image * * Purpose: Sets the initial file image. Some file drivers can initialize @@ -2979,4 +3212,3 @@ H5P__facc_multi_type_dec(const void **_pp, void *_value) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5P__facc_multi_type_dec() */ - |