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68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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/* Copyright 2018-2018 University Corporation for Atmospheric
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Research/Unidata. */
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/**
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* Functions for inferring dataset model
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* @author Dennis Heimbigner
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*/
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#ifndef NCINFERMODEL_H
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#define NCINFERMODEL_H
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/* Define the io handler to be used to do lowest level
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access. This is above the libcurl level and below the
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dispatcher level. This is only used for remote
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datasets or for implementations where the implementation
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multiplexes more than one IOSP in a single dispatcher.
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*/
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#define NC_IOSP_FILE (1)
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#define NC_IOSP_MEMORY (2)
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#define NC_IOSP_DAP2 (3)
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#define NC_IOSP_DAP4 (4)
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#define NC_IOSP_UDF (5) /*Placeholder since we do not know IOSP for UDF*/
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#define NC_IOSP_HTTP (6)
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/* Track the information hat will help us
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infer how to access the data defined by
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path + omode.
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*/
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typedef struct NCmodel {
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int format; /* NC_FORMAT_XXX value */
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int impl; /* NC_FORMATX_XXX value */
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int iosp; /* NC_IOSP_XXX value (above) */
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} NCmodel;
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/* Keep compiler quiet */
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struct NCURI;
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struct NC_dispatch;
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#if 0
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/* return first IOSP or NULL if none */
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EXTERNL int NC_urliosp(struct NCURI* u);
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#endif
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/* Infer model format and implementation */
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EXTERNL int NC_infermodel(const char* path, int* omodep, int iscreate, int useparallel, void* params, NCmodel* model, char** newpathp);
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/**
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* Provide a hidden interface to allow utilities
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* to check if a given path name is really a url.
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* If not, put null in basenamep, else put basename of the url
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* minus any extension into basenamep; caller frees.
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* Return 1 if it looks like a url, 0 otherwise.
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*/
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EXTERNL int nc__testurl(const char* path, char** basenamep);
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#if 0
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/* allow access url parse and params without exposing nc_url.h */
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EXTERNL int NCDAP_urlparse(const char* s, void** dapurl);
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EXTERNL void NCDAP_urlfree(void* dapurl);
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EXTERNL const char* NCDAP_urllookup(void* dapurl, const char* param);
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/* Ping a specific server */
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EXTERNL int NCDAP2_ping(const char*);
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EXTERNL int NCDAP4_ping(const char*);
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#endif
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#endif /*NCINFERMODEL_H*/
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