2014-09-19 05:05:08 +08:00
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/*! \file netcdf_meta.h
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*
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* Meta information for libnetcdf which can be used by other packages which
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* depend on libnetcdf.
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*
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* This file is automatically generated by the build system
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* at configure time, and contains information related to
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* how libnetcdf was built. It will not be required to
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* include this file unless you want to probe the capabilities
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* of libnetcdf. This should ideally only happen when configuring
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* a project which depends on libnetcdf. At configure time,
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2018-03-16 22:38:40 +08:00
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* the dependent project can set its own macros which can be used
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2014-09-19 05:05:08 +08:00
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* in conditionals.
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*
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* Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
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2018-12-07 05:13:56 +08:00
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* 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
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* 2015, 2016, 2017, 2018
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2014-09-19 05:05:08 +08:00
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* University Corporation for Atmospheric Research/Unidata.
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2018-12-07 05:13:56 +08:00
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*
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2014-09-19 05:05:08 +08:00
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* See \ref copyright file for more info.
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*/
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2014-09-05 05:42:11 +08:00
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#ifndef NETCDF_META_H
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#define NETCDF_META_H
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2014-09-19 05:05:08 +08:00
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#define NC_VERSION_MAJOR @NC_VERSION_MAJOR@ /*!< netcdf-c major version. */
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#define NC_VERSION_MINOR @NC_VERSION_MINOR@ /*!< netcdf-c minor version. */
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#define NC_VERSION_PATCH @NC_VERSION_PATCH@ /*!< netcdf-c patch version. */
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#define NC_VERSION_NOTE "@NC_VERSION_NOTE@" /*!< netcdf-c note. May be blank. */
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/*! netcdf-c version string.
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*
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* The format of the netcdf-c version string is as follows:
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* \code
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* NC_VERSION_MAJOR.NC_VERSION_MINOR.NC_VERSION_PATCH.NC_VERSION_NOTE
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* \endcode
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* Note that the trailing NC_VERSION_NOTE may be empty. It serves for
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* identifiers such as '-rc1', etc.
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*/
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2014-09-11 06:50:45 +08:00
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#define NC_VERSION "@NC_VERSION@"
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2014-09-05 05:42:11 +08:00
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2014-09-27 03:57:50 +08:00
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#define NC_HAS_NC2 @NC_HAS_NC2@ /*!< API version 2 support. */
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#define NC_HAS_NC4 @NC_HAS_NC4@ /*!< API version 4 support. */
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2018-09-18 00:47:40 +08:00
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#define NC_HAS_HDF4 @NC_HAS_HDF4@ /*!< HDF4 support. */
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#define NC_HAS_HDF5 @NC_HAS_HDF5@ /*!< HDF5 support. */
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#define NC_HAS_SZIP @NC_HAS_SZIP@ /*!< szip support (HDF5 only) */
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2020-01-17 00:19:24 +08:00
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#define NC_HAS_SZIP_WRITE @NC_HAS_SZIP@ /*!< szip write support (HDF5 only) */
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2017-03-09 08:01:10 +08:00
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#define NC_HAS_DAP2 @NC_HAS_DAP2@ /*!< DAP2 support. */
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#define NC_HAS_DAP4 @NC_HAS_DAP4@ /*!< DAP4 support. */
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2021-08-24 14:17:03 +08:00
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#define NC_HAS_BYTERANGE @NC_HAS_BYTERANGE@ /*!< Byterange support. */
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2014-09-27 03:57:50 +08:00
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#define NC_HAS_DISKLESS @NC_HAS_DISKLESS@ /*!< diskless support. */
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#define NC_HAS_MMAP @NC_HAS_MMAP@ /*!< mmap support. */
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#define NC_HAS_JNA @NC_HAS_JNA@ /*!< jna support. */
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2018-09-18 00:47:40 +08:00
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#define NC_HAS_PNETCDF @NC_HAS_PNETCDF@ /*!< PnetCDF support. */
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#define NC_HAS_PARALLEL4 @NC_HAS_PARALLEL4@ /*!< parallel IO support via HDF5 */
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#define NC_HAS_PARALLEL @NC_HAS_PARALLEL@ /*!< parallel IO support via HDF5 and/or PnetCDF. */
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2017-09-27 01:32:12 +08:00
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2021-08-24 14:17:03 +08:00
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#define NC_HAS_CDF5 @NC_HAS_CDF5@ /*!< CDF5 support. */
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#define NC_HAS_ERANGE_FILL @NC_HAS_ERANGE_FILL@ /*!< ERANGE_FILL Support. */
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#define NC_RELAX_COORD_BOUND 1 /*!< Always allow 0 counts in parallel I/O. */
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#define NC_DISPATCH_VERSION @NC_DISPATCH_VERSION@ /*!< Dispatch table version. */
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#define NC_HAS_PAR_FILTERS @NC_HAS_PAR_FILTERS@ /* Parallel I/O with filter support. */
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#define NC_HAS_NCZARR @NC_HAS_NCZARR@ /*!< Parallel I/O with filter support. */
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#define NC_HAS_MULTIFILTERS @NC_HAS_MULTIFILTERS@ /*!< Nczarr support. */
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#define NC_HAS_LOGGING @NC_HAS_LOGGING@ /*!< Logging support. */
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2021-10-21 07:00:32 +08:00
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#define NC_HAS_QUANTIZE @NC_HAS_QUANTIZE@ /*!< Quantization support. */
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2022-04-11 22:03:24 +08:00
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#define NC_HAS_ZSTD @NC_HAS_ZSTD@ /*!< Zstd support. */
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This PR adds EXPERIMENTAL support for accessing data in the
cloud using a variant of the Zarr protocol and storage
format. This enhancement is generically referred to as "NCZarr".
The data model supported by NCZarr is netcdf-4 minus the user-defined
types and the String type. In this sense it is similar to the CDF-5
data model.
More detailed information about enabling and using NCZarr is
described in the document NUG/nczarr.md and in a
[Unidata Developer's blog entry](https://www.unidata.ucar.edu/blogs/developer/en/entry/overview-of-zarr-support-in).
WARNING: this code has had limited testing, so do use this version
for production work. Also, performance improvements are ongoing.
Note especially the following platform matrix of successful tests:
Platform | Build System | S3 support
------------------------------------
Linux+gcc | Automake | yes
Linux+gcc | CMake | yes
Visual Studio | CMake | no
Additionally, and as a consequence of the addition of NCZarr,
major changes have been made to the Filter API. NOTE: NCZarr
does not yet support filters, but these changes are enablers for
that support in the future. Note that it is possible
(probable?) that there will be some accidental reversions if the
changes here did not correctly mimic the existing filter testing.
In any case, previously filter ids and parameters were of type
unsigned int. In order to support the more general zarr filter
model, this was all converted to char*. The old HDF5-specific,
unsigned int operations are still supported but they are
wrappers around the new, char* based nc_filterx_XXX functions.
This entailed at least the following changes:
1. Added the files libdispatch/dfilterx.c and include/ncfilter.h
2. Some filterx utilities have been moved to libdispatch/daux.c
3. A new entry, "filter_actions" was added to the NCDispatch table
and the version bumped.
4. An overly complex set of structs was created to support funnelling
all of the filterx operations thru a single dispatch
"filter_actions" entry.
5. Move common code to from libhdf5 to libsrc4 so that it is accessible
to nczarr.
Changes directly related to Zarr:
1. Modified CMakeList.txt and configure.ac to support both C and C++
-- this is in support of S3 support via the awd-sdk libraries.
2. Define a size64_t type to support nczarr.
3. More reworking of libdispatch/dinfermodel.c to
support zarr and to regularize the structure of the fragments
section of a URL.
Changes not directly related to Zarr:
1. Make client-side filter registration be conditional, with default off.
2. Hack include/nc4internal.h to make some flags added by Ed be unique:
e.g. NC_CREAT, NC_INDEF, etc.
3. cleanup include/nchttp.h and libdispatch/dhttp.c.
4. Misc. changes to support compiling under Visual Studio including:
* Better testing under windows for dirent.h and opendir and closedir.
5. Misc. changes to the oc2 code to support various libcurl CURLOPT flags
and to centralize error reporting.
6. By default, suppress the vlen tests that have unfixed memory leaks; add option to enable them.
7. Make part of the nc_test/test_byterange.sh test be contingent on remotetest.unidata.ucar.edu being accessible.
Changes Left TO-DO:
1. fix provenance code, it is too HDF5 specific.
2020-06-29 08:02:47 +08:00
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2014-09-05 05:42:11 +08:00
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#endif
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