mirror of
https://github.com/Unidata/netcdf-c.git
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06a11e51df
NCRCFILE. Note that the value of this environment variable should be the absolute path of the rc file, not the path to its containing directory.
282 lines
7.4 KiB
C
282 lines
7.4 KiB
C
/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
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See the COPYRIGHT file for more information. */
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#ifndef OCINTERNAL_H
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#define OCINTERNAL_H
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#include "config.h"
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#if defined(_WIN32) || defined(_WIN64)
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#include <malloc.h>
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#endif
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/* Required for getcwd, other functions. */
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#ifdef _MSC_VER
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#include <direct.h>
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#define getcwd _getcwd
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#endif
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#ifdef _AIX
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#include <netinet/in.h>
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#endif
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#ifdef HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#define CURL_DISABLE_TYPECHECK 1
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#include <curl/curl.h>
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#include "oclist.h"
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#include "ocbytes.h"
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#include "ocuri.h"
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#ifndef HAVE_STRNDUP
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/* Not all systems have strndup, so provide one*/
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#define strndup ocstrndup
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#endif
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#define OCCACHEPOS
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#ifndef HAVE_STRNDUP
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/* Not all systems have strndup, so provide one*/
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#define strndup ocstrndup
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#endif
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#define OCPATHMAX 8192
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#ifndef nullfree
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#define nullfree(x) {if((x)!=NULL) free(x);}
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#endif
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/* Forwards */
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typedef struct OCstate OCstate;
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typedef struct OCnode OCnode;
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typedef struct OCdata OCdata;
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struct OCTriplestore;
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/* Define the internal node classification values */
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#define OC_None 0
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#define OC_State 1
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#define OC_Node 2
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#define OC_Data 3
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/* Define a magic number to mark externally visible oc objects */
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#define OCMAGIC ((unsigned int)0x0c0c0c0c) /*clever, huh*/
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/* Max rc file line size */
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#define MAXRCLINESIZE 4096
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/* Max number of triples from an rc file */
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#define MAXRCLINES 4096
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/* Define a struct that all oc objects must start with */
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/* OCheader must be defined here to make it available in other headers */
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typedef struct OCheader {
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unsigned int magic;
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unsigned int occlass;
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} OCheader;
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#include "oc.h"
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#include "ocx.h"
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#include "ocnode.h"
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#include "ocdata.h"
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#include "occonstraints.h"
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#include "ocutil.h"
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#include "oclog.h"
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#include "xxdr.h"
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#include "ocdatatypes.h"
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#include "occompile.h"
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#ifndef nulldup
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#define nulldup(s) (s==NULL?NULL:strdup(s))
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#endif
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/*
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* Macros for dealing with flag bits.
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*/
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#define fset(t,f) ((t) |= (f))
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#define fclr(t,f) ((t) &= ~(f))
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#define fisset(t,f) ((t) & (f))
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#define nullstring(s) (s==NULL?"(null)":s)
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#define PATHSEPARATOR "."
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#define OCDIR "oc"
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/* Define infinity for memory size */
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#if SIZEOF_SIZE_T == 4
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#define OCINFINITY ((size_t)0xffffffff)
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#else
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#define OCINFINITY ((size_t)0xffffffffffffffff)
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#endif
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/* Extend the OCdxd type for internal use */
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#define OCVER 3
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/* Default initial memory packet size */
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#define DFALTPACKETSIZE 0x20000 /*approximately 100k bytes*/
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/* Default maximum memory packet size */
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#define DFALTMAXPACKETSIZE 0x3000000 /*approximately 50M bytes*/
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/* Default user agent string (will have version appended)*/
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#define DFALTUSERAGENT "oc"
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/* Hold known curl flags */
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enum OCCURLFLAGTYPE {CF_UNKNOWN=0,CF_OTHER=1,CF_STRING=2,CF_LONG=3};
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struct OCCURLFLAG {
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const char* name;
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int flag;
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int value;
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enum OCCURLFLAGTYPE type;
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};
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struct OCTriplestore {
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int ntriples;
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struct OCTriple {
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char host[MAXRCLINESIZE]; /* includes port if specified */
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char key[MAXRCLINESIZE];
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char value[MAXRCLINESIZE];
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} triples[MAXRCLINES];
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};
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/* Collect global state info in one place */
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extern struct OCGLOBALSTATE {
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int initialized;
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struct {
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int proto_file;
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int proto_https;
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} curl;
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char* tempdir; /* track a usable temp dir */
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char* home; /* track $HOME for use in creating $HOME/.oc dir */
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struct {
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int ignore; /* if 1, then do not use any rc file */
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int loaded;
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struct OCTriplestore daprc; /* the rc file triple store fields*/
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char* rcfile; /* specified rcfile; overrides anything else */
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} rc;
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} ocglobalstate;
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/*! Specifies the OCstate = non-opaque version of OClink */
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struct OCstate {
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OCheader header; /* class=OC_State */
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OClist* trees; /* list<OCNODE*> ; all root objects */
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OCURI* uri; /* base URI*/
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OCbytes* packet; /* shared by all trees during construction */
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struct OCerrdata {/* Hold info for an error return from server */
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char* code;
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char* message;
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long httpcode;
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char curlerrorbuf[CURL_ERROR_SIZE]; /* CURLOPT_ERRORBUFFER*/
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} error;
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CURL* curl; /* curl handle*/
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char curlerror[CURL_ERROR_SIZE];
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struct OCcurlflags {
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int proto_file; /* Is file: supported? */
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int proto_https; /* is https: supported? */
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int compress; /*CURLOPT_ENCODING*/
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int verbose; /*CURLOPT_ENCODING*/
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int timeout; /*CURLOPT_TIMEOUT*/
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int maxredirs; /*CURLOPT_MAXREDIRS*/
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char* useragent; /*CURLOPT_USERAGENT*/
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/* track which of these are created by oc */
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#define COOKIECREATED 1
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#define NETRCCREATED 2
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int createdflags;
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char* cookiejar; /*CURLOPT_COOKIEJAR,CURLOPT_COOKIEFILE*/
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char* netrc; /*CURLOPT_NETRC,CURLOPT_NETRC_FILE*/
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} curlflags;
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struct OCSSL {
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int verifypeer; /* CURLOPT_SSL_VERIFYPEER;
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do not do this when cert might be self-signed
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or temporarily incorrect */
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int verifyhost; /* CURLOPT_SSL_VERIFYHOST; for client-side verification */
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char* certificate; /*CURLOPT_SSLCERT*/
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char* key; /*CURLOPT_SSLKEY*/
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char* keypasswd; /*CURLOPT_SSLKEYPASSWD*/
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char* cainfo; /* CURLOPT_CAINFO; certificate authority */
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char* capath; /*CURLOPT_CAPATH*/
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} ssl;
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struct OCproxy {
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char *host; /*CURLOPT_PROXY*/
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int port; /*CURLOPT_PROXYPORT*/
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char* userpwd; /*CURLOPT_PROXYUSERPWD*/
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} proxy;
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struct OCcredentials {
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char *userpwd; /*CURLOPT_USERPWD*/
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} creds;
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void* usercurldata;
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long ddslastmodified;
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long datalastmodified;
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};
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/*! OCtree holds extra state info about trees */
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typedef struct OCtree
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{
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OCdxd dxdclass;
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char* constraint;
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char* text;
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struct OCnode* root; /* cross link */
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struct OCstate* state; /* cross link */
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OClist* nodes; /* all nodes in tree*/
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/* when dxdclass == OCDATADDS */
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struct {
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char* memory; /* allocated memory if OC_ONDISK is not set */
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char* filename; /* If OC_ONDISK is set */
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FILE* file;
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off_t datasize; /* xdr size on disk or in memory */
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off_t bod; /* offset of the beginning of packet data */
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off_t ddslen; /* length of ddslen (assert(ddslen <= bod)) */
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XXDR* xdrs; /* access either memory or file */
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OCdata* data;
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} data;
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} OCtree;
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/* (Almost) All shared procedure definitions are kept here
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except for: ocdebug.h ocutil.h
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The true external interface is defined in oc.h
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*/
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#if 0
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/* Location: ceparselex.c*/
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extern int cedebug;
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extern OClist* CEparse(OCstate*,char* input);
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#endif
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extern OCerror ocopen(OCstate** statep, const char* url);
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extern void occlose(OCstate* state);
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extern OCerror ocfetch(OCstate*, const char*, OCdxd, OCflags, OCnode**);
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extern int oc_network_order;
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extern int oc_invert_xdr_double;
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extern OCerror ocinternalinitialize(void);
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extern OCerror ocupdatelastmodifieddata(OCstate* state);
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extern OCerror ocset_useragent(OCstate* state, const char* agent);
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extern OCerror ocset_netrc(OCstate* state, const char* path);
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/* From ocrc.c */
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extern OCerror ocrc_load(); /* find, read, and compile */
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extern OCerror ocrc_process(OCstate* state); /* extract relevant triples */
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extern char* ocrc_lookup(char* key, char* url);
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extern struct OCTriple* ocrc_triple_iterate(char* key, char* url, struct OCTriple* prevp);
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extern int ocparseproxy(OCstate* state, char* v);
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#endif /*COMMON_H*/
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