websocket-http-client.c File Reference

#include <string.h>
#include <stdio.h>
#include "contiki-net.h"
#include "ip64-addr.h"
#include "mdns.h"
#include "websocket-http-client.h"

Macros
#define	HTTPFLAG_ERROR   3
#define	HTTPFLAG_MOVED   2
#define	HTTPFLAG_NONE   0
#define	HTTPFLAG_OK   1
#define	ISO_cr   0x0d
#define	ISO_nl   0x0a
#define	ISO_space   0x20
#define	MIN(a, b)   ((a) < (b) ? (a) : (b))
#define	WEBSOCKET_HTTP_CLIENT_STATE_CLOSE   3
#define	WEBSOCKET_HTTP_CLIENT_STATE_DATA   2
#define	WEBSOCKET_HTTP_CLIENT_STATE_HEADERS   1
#define	WEBSOCKET_HTTP_CLIENT_STATE_STATUSLINE   0
#define	WEBSOCKET_HTTP_CLIENT_TIMEOUT   100

Functions
static void	acked (struct websocket_http_client_state *s)
static char	casecmp (char *str1, const char *str2, char len)
static void	init_connection (struct websocket_http_client_state *s)
static void	newdata (struct websocket_http_client_state *s)
static uint16_t	parse_headers (struct websocket_http_client_state *s, uint16_t len)
static uint16_t	parse_statusline (struct websocket_http_client_state *s, uint16_t len)
static void	senddata (struct websocket_http_client_state *s)
void	websocket_http_client_appcall (void *state)
void	websocket_http_client_close (struct websocket_http_client_state *s)
char *	websocket_http_client_filename (struct websocket_http_client_state *s)
unsigned char	websocket_http_client_get (struct websocket_http_client_state *s, const char *host, uint16_t port, const char *file, const char *subprotocol)
char *	websocket_http_client_hostname (struct websocket_http_client_state *s)
void	websocket_http_client_init (void)
char *	websocket_http_client_mimetype (struct websocket_http_client_state *s)
unsigned short	websocket_http_client_port (struct websocket_http_client_state *s)
uint16_t	websocket_http_client_send (struct websocket_http_client_state *s, const uint8_t *data, uint16_t datalen)
uint16_t	websocket_http_client_sendbuflen (struct websocket_http_client_state *s)
static int	window_copy (int curptr, const char *data, unsigned char datalen)

Variables
static int	windowend
static unsigned char *	windowptr
static int	windowstart

#define HTTPFLAG_ERROR   3

#define HTTPFLAG_MOVED   2

Referenced by newdata(), parse_statusline(), and websocket_http_client_appcall().

#define HTTPFLAG_NONE   0

Referenced by parse_statusline().

#define HTTPFLAG_OK   1

Referenced by parse_statusline().

#define ISO_cr   0x0d

Referenced by parse_headers().

#define ISO_nl   0x0a

Referenced by parse_headers(), and parse_statusline().

#define ISO_space   0x20

#define MIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Referenced by senddata(), and websocket_http_client_send().

#define WEBSOCKET_HTTP_CLIENT_STATE_CLOSE   3

Referenced by websocket_http_client_appcall(), and websocket_http_client_close().

#define WEBSOCKET_HTTP_CLIENT_STATE_DATA   2

Referenced by newdata(), and parse_headers().

#define WEBSOCKET_HTTP_CLIENT_STATE_HEADERS   1

Referenced by newdata(), and parse_statusline().

#define WEBSOCKET_HTTP_CLIENT_STATE_STATUSLINE   0

Referenced by init_connection(), newdata(), and websocket_http_client_appcall().

#define WEBSOCKET_HTTP_CLIENT_TIMEOUT   100

Referenced by websocket_http_client_appcall().

static void acked ( struct websocket_http_client_state *  s )

static

References websocket_http_client_state::getrequestleft, websocket_http_client_state::getrequestptr, len, websocket_http_client_state::outputbuf, websocket_http_client_state::outputbuf_sendnext, websocket_http_client_state::outputbufptr, uip_mss, and websocket_http_client_connected().

Referenced by websocket_http_client_appcall().

static char casecmp ( char *  str1, const char *  str2, char  len  )

static

References c, and len.

Referenced by parse_headers().

static void init_connection ( struct websocket_http_client_state *  s )

static

References websocket_http_client_state::file, websocket_http_client_state::getrequestleft, websocket_http_client_state::getrequestptr, websocket_http_client_state::host, http_10, http_crnl, http_get, http_host, http_request_fields, websocket_http_client_state::inputbufptr, websocket_http_client_state::port, websocket_http_client_state::state, websocket_http_client_state::subprotocol, and WEBSOCKET_HTTP_CLIENT_STATE_STATUSLINE.

Referenced by websocket_http_client_get().

static void newdata ( struct websocket_http_client_state *  s )

static

References websocket_http_client_state::httpflag, HTTPFLAG_MOVED, len, parse_headers(), parse_statusline(), websocket_http_client_state::state, uip_appdata, uip_datalen, websocket_http_client_datahandler(), WEBSOCKET_HTTP_CLIENT_STATE_DATA, WEBSOCKET_HTTP_CLIENT_STATE_HEADERS, and WEBSOCKET_HTTP_CLIENT_STATE_STATUSLINE.

Referenced by websocket_http_client_appcall().

static uint16_t parse_headers ( struct websocket_http_client_state *  s, uint16_t  len  )

static

References casecmp(), websocket_http_client_state::file, websocket_http_client_state::host, http_content_type, http_http, http_location, i, websocket_http_client_state::inputbuf, websocket_http_client_state::inputbufptr, ISO_cr, ISO_nl, len, websocket_http_client_state::mimetype, NULL, websocket_http_client_state::state, strncpy(), uip_appdata, and WEBSOCKET_HTTP_CLIENT_STATE_DATA.

Referenced by newdata().

static uint16_t parse_statusline ( struct websocket_http_client_state *  s, uint16_t  len  )

static

References http_10, http_11, http_200, http_301, http_302, websocket_http_client_state::httpflag, HTTPFLAG_MOVED, HTTPFLAG_NONE, HTTPFLAG_OK, websocket_http_client_state::inputbuf, websocket_http_client_state::inputbufptr, ISO_nl, len, websocket_http_client_state::state, uip_abort, uip_appdata, websocket_http_client_aborted(), and WEBSOCKET_HTTP_CLIENT_STATE_HEADERS.

Referenced by newdata().

static void senddata ( struct websocket_http_client_state *  s )

static

References websocket_http_client_state::file, websocket_http_client_state::getrequestleft, websocket_http_client_state::getrequestptr, websocket_http_client_state::host, http_10, http_crnl, http_get, http_host, http_request_fields, len, MIN, websocket_http_client_state::outputbuf, websocket_http_client_state::outputbuf_sendnext, websocket_http_client_state::outputbufptr, websocket_http_client_state::port, websocket_http_client_state::subprotocol, uip_appdata, uip_mss, uip_send(), window_copy(), windowend, windowptr, and windowstart.

Referenced by websocket_http_client_appcall().

void websocket_http_client_appcall

(

void *

state

)

References acked(), websocket_http_client_state::file, websocket_http_client_state::host, websocket_http_client_state::httpflag, HTTPFLAG_MOVED, mdns_lookup(), mdns_query(), newdata(), NULL, websocket_http_client_state::outputbuf_sendnext, websocket_http_client_state::outputbufptr, websocket_http_client_state::port, s, senddata(), websocket_http_client_state::state, state, websocket_http_client_state::subprotocol, tcp_markconn, websocket_http_client_state::timer, uip_abort, uip_aborted, uip_acked, uip_appdata, uip_closed, uip_connected, uip_newdata, uip_poll, uip_rexmit, uip_timedout, websocket_http_client_aborted(), websocket_http_client_closed(), websocket_http_client_datahandler(), websocket_http_client_get(), WEBSOCKET_HTTP_CLIENT_STATE_CLOSE, WEBSOCKET_HTTP_CLIENT_STATE_STATUSLINE, websocket_http_client_timedout(), and WEBSOCKET_HTTP_CLIENT_TIMEOUT.

Referenced by PROCESS_THREAD().

void websocket_http_client_close

(

struct websocket_http_client_state *

s

)

References websocket_http_client_state::state, and WEBSOCKET_HTTP_CLIENT_STATE_CLOSE.

Referenced by websocket_close(), and websocket_http_client_datahandler().

char* websocket_http_client_filename

(

struct websocket_http_client_state *

s

)

References websocket_http_client_state::file.

unsigned char websocket_http_client_get	(	struct websocket_http_client_state *	s,
		const char *	host,
		uint16_t	port,
		const char *	file,
		const char *	subprotocol
	)

References conn, websocket_http_client_state::conn, websocket_http_client_state::file, websocket_http_client_state::host, init_connection(), ip64_addr_4to6(), ipaddr, mdns_lookup(), NULL, websocket_http_client_state::port, port, strncpy(), websocket_http_client_state::subprotocol, tcp_connect(), tcp_markconn, uip_htons(), uiplib_ip4addrconv(), and uiplib_ip6addrconv().

Referenced by start_get(), and websocket_http_client_appcall().

char* websocket_http_client_hostname

(

struct websocket_http_client_state *

s

)

References websocket_http_client_state::host.

void websocket_http_client_init

(

void

)

char* websocket_http_client_mimetype

(

struct websocket_http_client_state *

s

)

References websocket_http_client_state::mimetype.

unsigned short websocket_http_client_port

(

struct websocket_http_client_state *

s

)

References websocket_http_client_state::port.

uint16_t websocket_http_client_send	(	struct websocket_http_client_state *	s,
		const uint8_t *	data,
		uint16_t	datalen
	)

References websocket_http_client_state::conn, len, MIN, websocket_http_client_state::outputbuf, websocket_http_client_state::outputbufptr, printf, and tcpip_poll_tcp().

Referenced by send_data(), websocket_http_client_datahandler(), and websocket_ping().

uint16_t websocket_http_client_sendbuflen

(

struct websocket_http_client_state *

s

)

References websocket_http_client_state::outputbuf, and websocket_http_client_state::outputbufptr.

Referenced by send_data(), and websocket_ping().

static int window_copy ( int  curptr, const char *  data, unsigned char  datalen  )

static

References len, strncpy(), windowend, windowptr, and windowstart.

Referenced by senddata().

int windowend

static

Referenced by senddata(), and window_copy().

unsigned char* windowptr

static

Referenced by senddata(), and window_copy().

int windowstart

static

Referenced by senddata(), and window_copy().