121 lines
4.0 KiB
C
121 lines
4.0 KiB
C
/*
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* Copyright (c) 2013, Thingsquare, http://www.thingsquare.com/.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef HTTP_SOCKET_H
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#define HTTP_SOCKET_H
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#include "tcp-socket.h"
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#include "sys/cc.h"
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struct http_socket;
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typedef enum {
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HTTP_SOCKET_ERR,
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HTTP_SOCKET_OK,
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HTTP_SOCKET_HEADER,
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HTTP_SOCKET_DATA,
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HTTP_SOCKET_CLOSED,
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HTTP_SOCKET_TIMEDOUT,
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HTTP_SOCKET_ABORTED,
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HTTP_SOCKET_HOSTNAME_NOT_FOUND,
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} http_socket_event_t;
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struct http_socket_header {
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uint16_t status_code;
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int64_t content_length;
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struct {
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int64_t first_byte_pos;
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int64_t last_byte_pos;
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int64_t instance_length;
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} content_range;
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};
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typedef void (* http_socket_callback_t)(struct http_socket *s,
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void *ptr,
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http_socket_event_t ev,
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const uint8_t *data,
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uint16_t datalen);
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#define HTTP_SOCKET_INPUTBUFSIZE UIP_TCP_MSS
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#define HTTP_SOCKET_OUTPUTBUFSIZE MAX(UIP_TCP_MSS, 128)
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#define HTTP_SOCKET_URLLEN 128
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#define HTTP_SOCKET_TIMEOUT ((2 * 60 + 30) * CLOCK_SECOND)
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struct http_socket {
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struct http_socket *next;
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struct tcp_socket s;
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uip_ipaddr_t proxy_addr;
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uint16_t proxy_port;
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int64_t pos;
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uint64_t length;
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const uint8_t *postdata;
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uint16_t postdatalen;
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http_socket_callback_t callback;
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void *callbackptr;
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int did_tcp_connect;
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char url[HTTP_SOCKET_URLLEN];
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uint8_t inputbuf[HTTP_SOCKET_INPUTBUFSIZE];
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uint8_t outputbuf[HTTP_SOCKET_OUTPUTBUFSIZE];
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struct etimer timeout_timer;
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uint8_t timeout_timer_started;
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struct pt pt, headerpt;
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int header_chars;
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char header_field[15];
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struct http_socket_header header;
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uint8_t header_received;
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uint64_t bodylen;
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const char *content_type;
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};
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void http_socket_init(struct http_socket *s);
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int http_socket_get(struct http_socket *s, const char *url,
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int64_t pos, uint64_t length,
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http_socket_callback_t callback,
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void *callbackptr);
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int http_socket_post(struct http_socket *s, const char *url,
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const void *postdata,
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uint16_t postdatalen,
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const char *content_type,
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http_socket_callback_t callback,
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void *callbackptr);
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int http_socket_close(struct http_socket *socket);
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void http_socket_set_proxy(struct http_socket *s,
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const uip_ipaddr_t *addr, uint16_t port);
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#endif /* HTTP_SOCKET_H */
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