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http.h
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94 lines (81 loc) · 3.34 KB
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/*
* --- Revised 3-Clause BSD License ---
* Copyright Semtech Corporation 2022. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the Semtech corporation nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL SEMTECH CORPORATION. BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _http_h_
#define _http_h_
#include "net.h"
extern str_t const SUFFIX2CT[];
#define conn2http(p) memberof(http_t, p, c)
#define tmr2http(p) memberof(http_t, p, c.tmr)
typedef struct http {
conn_t c;
struct {
int clen; // content length
int coff; // content offset
} extra;
// HTTPD mode only
struct {
netctx_t netctx;
aio_t* aio;
} listen;
} http_t;
enum {
HTTP_DEAD = 0,
HTTP_CONNECTED, // just connected or response received
HTTP_CLOSED, // not connected to server
HTTP_SENDING_REQ,
HTTP_READING_HDR,
HTTP_READING_BODY,
};
enum {
HTTPEV_DEAD = 0,
HTTPEV_CLOSED, // HTTP connection closed
HTTPEV_CONNECTED, // connected to server
HTTPEV_RESPONSE, // received a response (hdr + body - maybe partially) - start processing it
HTTPEV_RESPONSE_MORE, // received more data from body (if large)
};
void http_ini (http_t*, int bufsize);
void http_free (http_t*);
int http_connect (http_t*, char* host, char* port);
void http_close (http_t*);
void http_request (http_t*, dbuf_t* req);
int http_getMore (http_t*); // read more body data
dbuf_t http_getReqbuf (http_t*);
dbuf_t http_getHdr (http_t*);
dbuf_t http_getBody (http_t*);
int http_getStatus (http_t*);
// Some functions facilitating simple HTTP parsing:
char* http_skipWsp (char* p);
int http_readDec (char* p);
int http_statusCode (char* p);
int http_icaseCmp (const char* p, const char* what);
char* http_findHeader (char* p, const char* field);
int http_findContentLength (char* p);
int http_setContentLength (char* p, int clen);
dbuf_t http_statusText (dbuf_t* hdr);
int http_unquote (char** p);
#endif // _http_h_