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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/* Copyright 2018-2018 University Corporation for Atmospheric
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Research/Unidata. */
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/**
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* Header file for dhttp.c
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* @author Dennis Heimbigner
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*/
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#ifndef NCHTTP_H
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#define NCHTTP_H
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typedef enum HTTPMETHOD {
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HTTPNONE=0, HTTPGET=1, HTTPPUT=2, HTTPPOST=3, HTTPHEAD=4, HTTPDELETE=5
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} HTTPMETHOD;
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/* Forward */
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struct CURL;
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struct NCS3INFO;
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struct NCURI;
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/* Common state For S3 vs Simple Curl */
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typedef enum NC_HTTPFORMAT {HTTPS3=1, HTTPCURL=2} NC_HTTPFORMAT;
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typedef struct NC_HTTP_STATE {
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enum NC_HTTPFORMAT format; /* Discriminator */
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char* path; /* original url */
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struct NCURI* url; /* parsed url */
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long httpcode;
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char* errmsg; /* do not free if format is HTTPCURL */
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#ifdef NETCDF_ENABLE_S3
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struct NC_HTTP_S3 {
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void* s3client;
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struct NCS3INFO* info;
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} s3;
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#endif
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struct NC_HTTP_CURL {
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struct CURL* curl;
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char errbuf[2048]; /* assert(CURL_ERROR_SIZE <= 2048) */
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struct Response {
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NClist* headset; /* which headers to capture */
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NClist* headers; /* Set of captured headers */
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NCbytes* buf; /* response content; call owns; do not free */
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} response;
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struct Request {
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HTTPMETHOD method;
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size_t payloadsize;
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void* payload; /* caller owns; do not free */
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size_t payloadpos;
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NClist* headers;
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} request;
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} curl;
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} NC_HTTP_STATE;
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/* External API */
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extern int nc_http_open(const char* url, NC_HTTP_STATE** statep);
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extern int nc_http_open_verbose(const char* url, int verbose, NC_HTTP_STATE** statep);
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extern int nc_http_size(NC_HTTP_STATE* state, long long* sizep);
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extern int nc_http_read(NC_HTTP_STATE* state, size64_t start, size64_t count, NCbytes* buf);
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extern int nc_http_write(NC_HTTP_STATE* state, NCbytes* payload);
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extern int nc_http_close(NC_HTTP_STATE* state);
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extern int nc_http_reset(NC_HTTP_STATE* state);
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#endif /*NCHTTP_H*/
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