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HTTP socket code with support for GET and POST

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Adam Dunkels 2015-03-24 13:25:03 +01:00
parent ba409cce57
commit 33372945a3
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core/net/http-socket/http-socket.h Normal file
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/*
* Copyright (c) 2013, Thingsquare, http://www.thingsquare.com/.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the copyright holder 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 THE
* COPYRIGHT HOLDER OR CONTRIBUTORS 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_SOCKET_H
#define HTTP_SOCKET_H
#include "tcp-socket.h"
struct http_socket;
typedef enum {
HTTP_SOCKET_ERR,
HTTP_SOCKET_OK,
HTTP_SOCKET_HEADER,
HTTP_SOCKET_DATA,
HTTP_SOCKET_CLOSED,
HTTP_SOCKET_TIMEDOUT,
HTTP_SOCKET_ABORTED,
HTTP_SOCKET_HOSTNAME_NOT_FOUND,
} http_socket_event_t;
struct http_socket_header {
uint16_t status_code;
int64_t content_length;
struct {
int64_t first_byte_pos;
int64_t last_byte_pos;
int64_t instance_length;
} content_range;
};
typedef void (* http_socket_callback_t)(struct http_socket *s,
void *ptr,
http_socket_event_t ev,
const uint8_t *data,
uint16_t datalen);
#define MAX(n, m) (((n) < (m)) ? (m) : (n))
#define HTTP_SOCKET_INPUTBUFSIZE UIP_TCP_MSS
#define HTTP_SOCKET_OUTPUTBUFSIZE MAX(UIP_TCP_MSS, 128)
#define HTTP_SOCKET_URLLEN 128
#define HTTP_SOCKET_TIMEOUT ((2 * 60 + 30) * CLOCK_SECOND)
struct http_socket {
struct http_socket *next;
struct tcp_socket s;
uip_ipaddr_t proxy_addr;
uint16_t proxy_port;
int64_t pos;
uint64_t length;
const uint8_t *postdata;
uint16_t postdatalen;
http_socket_callback_t callback;
void *callbackptr;
int did_tcp_connect;
char url[HTTP_SOCKET_URLLEN];
uint8_t inputbuf[HTTP_SOCKET_INPUTBUFSIZE];
uint8_t outputbuf[HTTP_SOCKET_OUTPUTBUFSIZE];
struct etimer timeout_timer;
uint8_t timeout_timer_started;
struct pt pt, headerpt;
int header_chars;
char header_field[15];
struct http_socket_header header;
uint8_t header_received;
uint64_t bodylen;
const char *content_type;
};
void http_socket_init(struct http_socket *s);
int http_socket_get(struct http_socket *s, const char *url,
int64_t pos, uint64_t length,
http_socket_callback_t callback,
void *callbackptr);
int http_socket_post(struct http_socket *s, const char *url,
const void *postdata,
uint16_t postdatalen,
const char *content_type,
http_socket_callback_t callback,
void *callbackptr);
int http_socket_close(struct http_socket *socket);
void http_socket_set_proxy(struct http_socket *s,
const uip_ipaddr_t *addr, uint16_t port);
#endif /* HTTP_SOCKET_H */