/***************************************************************************************
File: http.c
Date: 24.2.2003
Version: 0.1
Author: Jari Lahti (jari@violasystems.com)
Description: This file implements simple HTTP 1.0 server.
Version Info: 9.10.2002 - First version (Jari Lahti)
24.2.2003 - Put sockets back to listen
22.2.2004 - Port for MCF5282
01.8.2004 - Port for MCF53x(A19257)
***************************************************************************************/
#include "opentcp.h"
UINT8 https_enabled = 0;
struct
{
UINT8 state;
UINT8 ownersocket;
UINT32 fstart; /* Can contain pointer or start address on e.g. external */
UINT32 flen; /* EEPROM etc. */
UINT32 fpoint;
UINT16 funacked;
} Https[NO_OF_HTTP_SESSIONS];
const char Https_NotFoundPage[] = "HTTP/1.0 200 OK\r\n\
Server: ESERV-10/1.0\nContent-type: text/html\r\n\
Content-length: 400\r\n\
\r\n\
\
Viola Systems Embedded WEB Server\
\
HTTP 1.0 404 Error. File Not Found
\
The requested URL was not found on this server.\
\
\
\r\n\
Viola Systems Embedded WEB Server 2.1, 2002\
\
Web Server for Embedded Applications\
\r\n\
\
\
www.violasystems.com - Embedding The Internet\
";
/*
const char Https_TestIndexPage[] = "HTTP/1.0 200 OK\r\n\
Server: ESERV-10/1.0\nContent-type: text/html\r\n\
Content-length: 400\r\n\
\r\n\
\
Viola Systems Embedded WEB Server\
\
Test page
\
Replace the page with your own content.\
\
\
\r\n\
Viola Systems Embedded WEB Server 2.1, 2002\
\
Web Server for Embedded Applications\
\r\n\
\
\
www.violasystems.com - Embedding The Internet\
";
*/
extern char *Https_TestIndexPage;
/* = "HTTP/1.0 200 OK\r\n\
Server: ESERV-10/1.0\nContent-type: text/html\r\n\
Content-length: 400\r\n\
\r\n\
\
InSyst\
\
InSyst
\
Status:
\
";
const char Https_TestIndexPage_default[] = "1:
";
char *Https_TestIndexPage_dynamic = (char*)Https_TestIndexPage_default;
const char Https_TestIndexPage_end[] = "\
\
\
\r\n\
InSyst ColdFire System, BNL\
\
Web Server for Embedded Applications\
\r\n\
\
\
Andrey Sukhanov\
";
*/
/********************************************************************************
Function: init_http
Parameters: void
Return val: INT8 - (>=0) OK
(-1) Error
Date: 13.10.2002
Desc: This function should be called before the HTTP Server application
is used to set the operating parameters of it
*********************************************************************************/
INT8 init_http (void)
{
UINT8 i;
INT8 soch;
for( i=0; i= NO_OF_HTTP_SESSIONS)
ses = 0;
/* Keep sockets listening */
if(tcp_getstate(Https[ses].ownersocket) < TCP_STATE_LISTENING)
{
tcp_listen(Https[ses].ownersocket, HTTPS_SERVERPORT);
ses++;
continue;
}
if(Https[ses].state != HTTPS_STATE_ACTIVE)
{
ses++;
continue;
}
if(Https[ses].funacked != 0)
{
ses++;
continue;
}
if(Https[ses].fstart == 0)
{
ses++;
continue;
}
/* End of data? */
if( Https[ses].fpoint >= Https[ses].flen)
{
tcp_close(Https[ses].ownersocket);
tcp_abort(Https[ses].ownersocket);
https_deletesession(ses);
ses++;
return;
}
/* More data to send */
len = https_loadbuffer(ses, &OTCP_TXBUF[TCP_APP_OFFSET], NETWORK_TX_BUFFER_SIZE - TCP_APP_OFFSET);
if(len<0)
return;
len = tcp_send(Https[ses].ownersocket, &OTCP_TXBUF[TCP_APP_OFFSET], NETWORK_TX_BUFFER_SIZE - TCP_APP_OFFSET, len);
if(len<0)
{
tcp_close(Https[ses].ownersocket);
https_deletesession(ses);
ses++;
return;
}
Https[ses].funacked = len;
/* Serve another session on next run */
ses++;
return;
}
}
/********************************************************************************
Function: https_eventlistener
Parameters: INT8 cbhandle - handle to TCP socket where event is coming from
UINT8 event - type of event
UINT32 par1 - parameter the meaning of depends on event
UINT32 par2 - parameter the meaning of depends on event
Return val: INT32 - depends on event but usually (-1) is error of some
kind and positive reply means OK
Date: 13.10.2002
Desc: This function is given to TCP socket as function pointer to be
used by TCP engine to make callbacks to inform about events
on TCP e.g. arriving data.
*********************************************************************************/
INT32 https_eventlistener (INT8 cbhandle, UINT8 event, UINT32 par1, UINT32 par2)
{
/* This function is called by TCP stack to inform about events */
INT16 i;
INT16 session;
if( https_enabled == 0)
return(-1);
if(cbhandle < 0)
return(-1);
/* Search for rigth session */
session = https_searchsession(cbhandle);
switch( event )
{
case TCP_EVENT_CONREQ:
/* Do we have a session for requesting socket? */
if(session < 0)
return(-1);
/* Try to get new session */
session = https_bindsession(cbhandle);
if(session < 0) /* No resources */
return(-1);
return(1);
case TCP_EVENT_ABORT:
if(session < 0)
return(1);
https_deletesession((UINT8)session);
return(1);
case TCP_EVENT_CONNECTED:
if(session < 0)
return(-1);
https_activatesession((UINT8)session);
return(1);
case TCP_EVENT_CLOSE:
if(session < 0)
return(-1);
https_deletesession((UINT8)session);
return(1);
case TCP_EVENT_ACK:
if(session < 0)
return(-1);
Https[session].fpoint += Https[session].funacked;
Https[session].funacked = 0;
return(1);
case TCP_EVENT_DATA:
/* Check for GET request */
if(session < 0)
return(-1);
if(Https[session].fstart == 0)
{
if(par1 <= 3)
return(1);
/* Check for GET */
if(RECEIVE_NETWORK_B() != 'G')
return(1);
if(RECEIVE_NETWORK_B() != 'E')
return(1);
if(RECEIVE_NETWORK_B() != 'T')
return(1);
par1 -= 3;
/* Search for '/' */
for(i=0; i 60)
len = 60;
for( i=0; i= buflen)
break;
*buf++ = Https_NotFoundPage[Https[ses].fpoint + i];
}
return(i);
}
/* Other page asked */
for(i=0; i < (Https[ses].flen - Https[ses].fpoint); i++)
{
if(i >= buflen)
break;
*buf++ = *(UINT8*)(Https[ses].fstart + Https[ses].fpoint + i);
}
return(i);
}