int ParseToken(HttpState* state, int *bytesRead)
{
int i;
int retval;
int len;
for (i = 0; i < (sizeof(FORMSpec)/sizeof(FORMType)); i++) {
if (!strcmp(FORMSpec[i].name, state->buffer)) {
parsePtr = FORMSpec[i].value;
len = 0;
retval = sock_fastread(&state->s, parsePtr, 1);
while ((*bytesRead < (state->content_length - 2)) &&
(tcp_tick(&state->s) != 0) &&
(*parsePtr != '&')) {
if (retval != 0) {
(*bytesRead)++;
if (len < (FORMSpec[i].len - 1)) {
parsePtr++;
len++;
}
}
retval = sock_fastread(&state->s, parsePtr, 1);
}
*parsePtr = '\0';
}
if (i < (sizeof(FORMSpec)/sizeof(FORMType) - 1) && (tcp_tick(&state->s) == 0)) {
return -1;
}
}
return 1;
}
/*
* Receive a message. The socket is re-opened and message read. The need
* for a response is indicated. tcp_tick() fails if peer closed socket.
*/
void RecvMessage(tcp_Socket* tcpSock, int* respond)
{
auto char buffer[500];
auto int numBytes;
tcp_listen(tcpSock, PORT, 0, 0, NULL, 0);
dispClear();
/* Wait for connection. */
while( ! tcp_established( tcpSock ) ) {
if( ! tcp_tick( (sock_type *) tcpSock ) ) {
dispPrintf( "ERROR: listening: %s\n", tcpSock->err_msg );
exit( 99 );
}
}
/* Wait for some data to appear, or an error... */
while( 0 == (numBytes = sock_fastread(tcpSock, buffer, sizeof(buffer))) ) {
if( ! tcp_tick( tcpSock ) ) {
bad_read:
dispPrintf( "ERROR: read: %s\n", tcpSock->err_msg );
exit( 99 );
}
}
if (numBytes == -1) {
goto bad_read;
}
buffer[numBytes] = '\0';
dispPrintf("%s", buffer);
*respond = 1; // Indicate the need for a response
} /* end RecvMessage() */
static int udpdom( byte dtype, unpacker_funct unpacker, void *data )
{
int i,uret;
uret = sock_fastread((sock_type*)dom_sock, (byte*)question, sizeof(struct useek ));
/* this does not happen */
if (uret < 0) {
/* netputevent(USERCLASS,DOMFAIL,-1); */
return(0); /* ?? why'd I change this? -md */
// return(-1);
}
/* num = intel16(question->h.ident); */ /* get machine number */
/*
* check to see if the necessary information was in the UDP response
*/
i = (int) ddextract(question, dtype, unpacker, data);
switch (i) {
case 0: return(1); /* we got a response */
case 3: return(0); /* name does not exist */
case -1:return( 0 ); /* strange return code from ddextract */
default:return( 0 ); /* dunno */
}
}
/*
* Parse the url-encoded POST data into the FORMSpec struct
* (ie: parse 'foo=bar&baz=qux' into the struct). Return -1
* on error.
*/
int ParsePost(HttpState* state)
{
int retval;
int bytesRead;
bytesRead = 0;
while ((bytesRead < (state->content_length - 2)) && (tcp_tick(&state->s) != 0)) {
retval = sock_fastread(&state->s, state->p, 1);
if (retval != 0) {
bytesRead++;
if (*state->p == '=') {
*state->p = '\0';
state->p = state->buffer;
if (ParseToken(state, &bytesRead) == -1) {
return -1;
}
} else {
state->p++;
}
}
}
if (bytesRead == (state->content_length - 2)) {
return 1;
} else {
return -1;
}
}
void main()
{
int bytes_read;
char buffer[100]; /* Currently (DC 7.30), printf() has max 127 bytes it can output. */
tcp_Socket socket;
sock_init();
while(1) {
tcp_listen(&socket,PORT,0,0,NULL,0);
printf("Waiting for connection...\n");
while(!sock_established(&socket) && sock_bytesready(&socket)==-1)
tcp_tick(NULL);
printf("Connection received...\n");
do {
bytes_read=sock_fastread(&socket,buffer,sizeof(buffer)-1);
if(bytes_read>0) {
buffer[bytes_read]=0;
printf("%s",buffer);
sock_write(&socket,buffer,bytes_read);
}
} while(tcp_tick(&socket));
printf("Connection closed...\n");
}
}
static int udp_read (_udp_Socket *sock, u_char *buf, int len,
ERROR_TYPE *error, DWORD timeout)
{
int status = _ip_delay1 ((sock_type*)sock, (int)timeout, NULL, NULL);
if (status == -1)
{
*error = ETIMEDOUT;
return (0);
}
*error = 0;
return sock_fastread ((sock_type*)sock, (BYTE*)buf, len);
}
/*********************************************************************************
This function reads the xml socket, if there is no data it returns 2 so the
My_Handler function calls state 2 again (state 2 is the receive state).
********************************************************************************/
int My_Rcv_Pkt(My_Socket_Type *my_sock)
{
/* receive the packet */
my_sock->rxbytes = sock_fastread(&my_sock->sock,my_sock->buff,BUFF_SIZE);
switch(my_sock->rxbytes)
{
case -1:
return 4; // there was an error go to state 4 (NO_WAIT_CLOSE)
case 0:
return 2; // connection is okay, but no data received
default:
(my_sock->statetime) = MS_TIMER+TCP_TIMEOUT; // reset time to be in the SEND state
return 3; //now go to state 3 (SEND)
}
}
int receive_packet(void)
{
/* receive the packet */
bytes = sock_fastread(&sock,buff,BUFF_SIZE);
switch(bytes)
{
case -1:
return 4; // there was an error go to state 4 (NO_WAIT_CLOSE)
case 0:
return 2; // connection is okay, but no data received
default:
statetime = MS_TIMER+TIME_OUT; // reset time to be in the SEND state
return 3; //now go to state 3 (SEND)
}
}
/*
* getresult() - read answer and extract host name
* return 0 on error, 1 on success
*/
static __inline int getresult (udp_Socket *s, char *name)
{
answer_t a;
struct rrpart *rr;
char *c;
int len = sock_fastread ((sock_type*)s, (BYTE*)&a, sizeof(a));
if (len < sizeof(struct dhead) ||
a.h.qdcount != intel16(1) || a.h.ancount == 0)
return (0);
/* Skip question */
c = a.x;
while (*c)
++c;
c += 5;
/* Skip name */
while (*c)
{
if ((*c & 0xC0) == 0xC0)
{
c += 2;
break;
}
else
++c;
}
rr = (struct rrpart *) c;
if (rr->rtype != intel16(DTYPEPTR))
return (0);
c = (char*) &rr->rdata;
while (*c)
{
if ((*c & 0xC0) == 0xC0)
c = a.x + (*(int*)c & 0x3FFF);
strncpy (name,c+1,*c);
name += *c;
c += *c + 1;
if (*c)
*name++ = '.';
}
*name = 0;
return (1);
}
void do_reception(void)
{
unsigned int maxtransfer;
#ifdef OLD
unsigned int newtransfer;
int status;
unsigned int chars_avail, i;
#endif
sock_tick( s, &status );
#ifdef OLD
if ( sock_dataready( s )) {
if (rec_out > rec_in ) {
/* we can fill intermediate portion of buffer */
maxtransfer = rec_out - rec_in;
} else {
/* we fill end of buffer and leave start for next attempt */
maxtransfer = RECEIVE_BUF_SIZE - rec_in;
}
if (maxtransfer) {
rec_in += sock_fastread( s, &receive_buffer[ rec_in ], maxtransfer );
if ( rec_in >= RECEIVE_BUF_SIZE )
rec_in -= RECEIVE_BUF_SIZE;
}
}
#else
maxtransfer = RECEIVE_BUF_SIZE - rec_in;
if (rec_out > rec_in) maxtransfer = rec_out - rec_in;
maxtransfer = sock_recv( s, &receive_buffer[ rec_in ], maxtransfer );
if (maxtransfer)
rec_in = (rec_in + maxtransfer) % RECEIVE_BUF_SIZE ;
#endif OLD
/* return( 0 ); */
return;
sock_err:
switch (status) {
case 1 : outs("\n\r\7[??Host closed connection??]\n\r");
break;
case-1 : outs("\n\r\7[??Host reset connection??]\n\r");
break;
}
s = NULL;
sock_status = 0;
}
void set_nist_time(){
int dst, health;
struct tm t;
unsigned long longsec;
char response[100];
int bytes_read,total_bytes;
tcp_Socket sock;
longword nist_server;
printf("Trying to set time from NIST server...\n");
//get the time
if (!(nist_server = resolve(NIST_SERVER))) {
printf(" ! Could not resolve time host\n");
exit( 3 );
}
if( !tcp_open(&sock,0,nist_server,NIST_PORT,NULL)){
printf(" ! Unable to connect to time server\n");
exit( 3 );
}
while (!sock_established(&sock) && sock_bytesready(&sock)==-1){
tcp_tick(NULL);
}
sock_mode(&sock, TCP_MODE_ASCII);
total_bytes=0;
do{
bytes_read=sock_fastread(&sock,response+total_bytes,sizeof(response)-1-total_bytes);
total_bytes+=bytes_read;
} while(tcp_tick(&sock) && (total_bytes < sizeof(response)-2));
//parse it
t.tm_year = 100 + 10*(response[7]-'0') + (response[8]-'0');
t.tm_mon = 10*(response[10]-'0') + (response[11]-'0');
t.tm_mday = 10*(response[13]-'0') + (response[14]-'0');
t.tm_hour = 10*(response[16]-'0') + (response[17]-'0');
t.tm_min = 10*(response[19]-'0') + (response[20]-'0');
t.tm_sec = 10*(response[22]-'0') + (response[23]-'0');
dst = 10*(response[25]-'0') + (response[26]-'0');
health = response[28]-'0';
longsec = mktime(&t);
longsec += 3600ul * NIST_TIMEZONE; // adjust for timezone
if (dst != 0) longsec += 3600ul; // DST is in effect
if (health < 2) write_rtc(longsec);
printf(" Time set to : ");
print_time(read_rtc());
}
void recv_tick(void)
{
auto int retval;
tcp_tick(state->s);
switch(state->state) {
case STATE_INIT:
if(sock_established(state->s)) {
printf("Connection Established.\n");
state->state = STATE_STEADY;
}
break;
case STATE_STEADY:
if(!sock_established(state->s)) {
/* connection died; reset */
printf("Connection lost.\n\n");
init_recv(state->lport);
break;
}
retval = sock_fastread(state->s, state->buf, MAX_BUFLEN);
if(retval) {
/* we got data */
#ifdef INPUT_COOKED
retval = cook_input(retval);
#endif
receive_data(state->buf, retval); /* give it to the user */
}
break;
default:
/* shouldn't ever get here */
/* reset the conroller */
exit(-1);
}
}
/*
* Receive a message. The connected socket and is sent back, and the need
* for a response is indicated.
*/
void RecvMessage(tcp_Socket* tcpSock)
{
auto char buffer[500];
auto int numBytes;
tcp_listen(tcpSock, PORT, 0, 0, NULL, 0);
/* Wait for connection. */
while( ! tcp_established( tcpSock ) )
{
if( ! tcp_tick( (sock_type *) tcpSock ) )
{
TextGotoXY(&wholewindow, 0, 0 );
TextPrintf(&wholewindow, "Error: listen");
return;
}
}
/* Wait for some data to appear, or an error... */
while((numBytes = sock_fastread(tcpSock, buffer, sizeof(buffer))) == 0 )
{
if( ! tcp_tick( tcpSock ) || numBytes == -1 )
{
TextGotoXY(&wholewindow, 0, 0 );
TextPrintf(&wholewindow, "Error: read");
return;
}
}
// Display received from other controller
glBlankScreen();
TextGotoXY(&wholewindow, 0, 0 );
TextPrintf(&wholewindow, "Message received:");
buffer[numBytes] = '\0';
TextGotoXY(&wholewindow, 0, 1 );
TextPrintf(&wholewindow, "%s", buffer);
} /* end RecvMessage() */
int cookie( longword host )
{
static udp_Socket sock;
udp_Socket *s;
char buffer[ 2049 ];
int status;
int i;
int fortunelen;
s = &sock;
status = 0;
if ( host != 0 )
{
status=udp_open( s, 0, host, COOKIE_PORT, NULL );
}
else
{
if (_last_cookie == 0)
{
puts("Sorry, I can't seem to remember where my cookie jars are. ");
puts("Could you tell me where one is? (Hint: host on the comand line)");
exit(3);
}
for (i=0; i < _last_cookie; i++)
{
if ( (status=udp_open( s, 0, _cookie[i], COOKIE_PORT, NULL )) != 0 )
{
break;
}
}
}
if ( status == 0 )
{
puts("None of the cookie jars are open!");
return( 1 );
}
sock_write( s, "\n", 1 );
while ( 1 )
{
sock_tick( s, &status );
if (sock_dataready( s ) )
{
fortunelen=sock_fastread( s, buffer, sizeof( buffer ));
buffer[fortunelen]='\0';
printf("%s\n", buffer);
sock_close(s);
return(0);
}
}
sock_err:
switch (status)
{
case 1 : /* foreign host closed */
return(0);
case -1: /* timeout */
printf("\nConnection timed out!");
printf("ERROR: %s\n\r", sockerr( s ));
return(1);
}
return (0);
}
int ftpsession(struct Url *url,struct HTTPrecord *cache,char *uploadfile)
{
longword host;
char str[256];
char buffer[BUFLEN+2];
tcp_Socket datasocket;
word dataport=0;
int rv=0,len;
char *ptr,*datahostptr,datahost[80];
char isdir=0,retry=0;//,ascii=0;
long total=0;
//!!glennmcc: Nov 11, 2007 -- for 'dblp code' below
int dblp=0;
//!!glennmcc: end
//!!glennmcc: Nov 13, 2007 -- for EZNOS2 fix below
int eznos2=0;
//!!glennmcc: end
int log;
if(!tcpip)return 0;
free_socket();
if((!url->file[0] || url->file[strlen(url->file)-1]=='/') && !uploadfile)
isdir=1;
sprintf(str,msg_askdns,url->host);
outs(str);
GlobalLogoStyle=0; //SDL set resolve animation
host=resolve_fn( url->host, (sockfunct_t) TcpIdleFunc ); //SDL
// host=resolve( url->host );
if(!host)
{
DNSerr(url->host);
return 0;
}
// if(!uploadfile) //!glennmcc: Oct 20, 2012 - commented-out to make upload log more verbose
log=a_open("FTP.LOG",O_BINARY|O_WRONLY|O_CREAT|O_TRUNC,S_IREAD|S_IWRITE);
GlobalLogoStyle=2; //SDL set connect animation
if (!tcp_open( socket, locport(), host, url->port, NULL ))
{
sprintf(str,msg_errcon,url->host);
outs(str);
return 0;
}
sprintf(str,msg_con,url->host,url->port);
outs(str);
write(log,str,strlen(str));
write(log,"\r\n",2);
sock_wait_established(socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status); //SDL
GlobalLogoStyle=1; //SDL set data animation
sock_mode( socket, TCP_MODE_ASCII );
outs(MSG_LOGIN);
do
{
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
write(log,buffer,strlen(buffer));
write(log,"\r\n",2);
// printf("FTP daemon said>");
// puts(buffer);
if ( *buffer != '2' && buffer[0]!=' ') goto quit;
}
while(buffer[3]=='-' || buffer[0]==' '); //continued message!
if(!url->user[0])
ptr="anonymous";
else
ptr=url->user;
sprintf( str, "USER %s", ptr);
write(log,str,strlen(str));
write(log,"\r\n",2);
sock_puts(socket,(unsigned char *)str);
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
write(log,buffer,strlen(buffer));
write(log,"\r\n",2);
// printf("FTP daemon said>");
// puts(buffer);
//!!glennmcc: May 11, 2005
//removed due to the fact that not all sites use '3'
//see additional info below with respect to anonymous password
// if ( *buffer != '3' ) goto quit;
//!!glennmcc: end
//open cache filename:
//!glennmcc: Oct 20, 2012 - commented-out to make upload log more verbose
// if(uploadfile)
// strcpy(cache->locname,"FTP.LOG");
// else
//!glennmcc end: Oct 20, 2012
{
//!!glennmcc: Oct 22, 2008 -- strchr() was preventing the use of 'CachePath .\cache\'
// ptr=strchr(cache->locname,'.');
ptr=strrchr(cache->locname,'.');
//!!glennmcc: end
if(ptr)
{
strcpy(&ptr[1],"FTP");
strcpy(cache->rawname,cache->locname);
}
}
cache->handle=a_open(cache->locname,O_BINARY|O_WRONLY|O_CREAT|O_TRUNC,S_IREAD|S_IWRITE);
if(cache->handle<0)
goto quit;
strcpy(cache->mime,"text/plain");
if(url->password[0])
ptr=url->password;
else
{
if(url->user[0] && !strcmp(url->host,AUTHENTICATION->host)
&& !strcmp(AUTHENTICATION->realm,"$ftp"))
ptr=AUTHENTICATION->password;
else
{
ptr=configvariable(&ARACHNEcfg,"FakeFTPeMail",NULL);
if(!ptr || !strchr(ptr,'@'))
{
ptr=configvariable(&ARACHNEcfg,"eMail",NULL);
if(!ptr)
ptr="@";
}
}
}
//!!glennmcc: May 11, 2005
//some sites do not require a password after 'anonymous'
//therefer, this entire block is now within this 'if()' so that
//the password (email address), will only be sent if asked for
//!!glennmcc: Nov 13, 2007 -- EZNOS2 says "Enter PASS command"
if (strstr(buffer,"sword") || strstr(buffer,"Enter PASS command"))
//if (strstr(buffer,"sword"))//original line
{
sprintf( str, "PASS %s", ptr);
sock_puts(socket,(unsigned char *)str);
write(log,str,strlen(str));
write(log,"\r\n",2);
}//!!glennmcc: inserted Mar 02, 2008
//Some servers need the following 'do/while' section,
//therefore, only the section above for sending the password needs to be
//'blocked' when no password was requested.
do
{
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
write(log,buffer,strlen(buffer));
write(log,"\r\n",2);
// printf("FTP daemon said>");
// puts(buffer);
if (strstr(buffer,"Enter PASS command")) eznos2=1;
if (*buffer != '2' && buffer[0]!=' ' && !eznos2)
{
write(cache->handle,buffer,strlen(buffer));
rv=1;
goto quit;
}
else if ((buffer[3]=='-' || buffer[0]==' ') && (isdir || uploadfile))
{
strcat(buffer,"\r\n");
rv=1;
write(cache->handle,buffer,strlen(buffer));
}
}
while(buffer[3]=='-' || buffer[0]==' ' || buffer[0]=='3'); //continued message!
//}//!!glennmcc: end May 11, 2005 -- removed on Mar 02, 2008
//ask server where we have to connect:
sock_puts(socket,(unsigned char *)"PASV");
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
write(log,buffer,strlen(buffer));
write(log,"\r\n",2);
// printf("FTP daemon said>");
// puts(buffer);
//2xx Entering passive mode (a,b,c,d,x,y)
if ( *buffer != '2' ) goto quit;
datahostptr=strchr(buffer,'(');
//!!glennmcc: Nov 13, 2007 -- EZNOS2 doesn't enclose the info in ()
//therefore, if '(' is not found... look for the last 'space'.
if(!datahostptr) {datahostptr=strrchr(buffer,' '); eznos2=1;}
//if that still fails... 'quit'
//!!glennmcc: end
if(!datahostptr) goto quit;//original line
ptr=++datahostptr;
{
int carka=0;
char *portptr=NULL;
while(*ptr)
{
if(*ptr==',')
{
carka++;
if(carka<4)
*ptr='.';
else if(carka==4)
{
*ptr='\0';
portptr=ptr+1;
}
else if (carka==5)
{
*ptr='\0';
dataport=256*(word)atoi(portptr); // ,x,y -> 256*x+y
portptr=ptr+1;
//!!glennmcc: Nov 13, 2007 -- part of above fix for EZNO2 info not in ()
if(eznos2) dataport+=atoi(portptr); // ,x,y -> 256*x+y
//!!glennmcc: end
}
}
else if(*ptr==')' && portptr)
{
//!!glennmcc: Nov 11, 2007 -- some servers have double ')'
// at the end of the port address info...
// this 'dblp code' will prevent that from adding the final set twice
//eg: (99,167,219,186,234,255)) instead of.... (99,167,219,186,234,255)
//without this fix ... 255 gets added a 2nd time and
//we end-up-with... port 60414 instead of the correct port of 60159
*ptr='\0';
if(!dblp)//!!glennmcc: Nov 11, 2007
dataport+=atoi(portptr); // ,x,y -> 256*x+y
dblp=1;//!!glennmcc: Nov 11, 2007
}
ptr++;
}
}
if(!dataport)
goto quit;
//!!glennmcc: Aug 31, 2009
//EZNOS2 sends the IP of the machine on a router as datahost
//therefore we need to go back to the original host
if(eznos2)
{
makestr(datahost,url->host,79);
outs(datahost);
Piip();
}
else
//!!glennmcc:end
makestr(datahost,datahostptr,79);//original line
retry:
if(isdir)
{
if(url->file[0])
{
//!!glennmcc: Oct 15, 2007 -- fix problems with CWD on FTP servers
//which interpret the leading '/' as an attempted CD to 'root'
if(url->file[0]=='/')
sprintf( str, "CWD %s", url->file+1);
else
//!!glennmcc: end Oct 15, 2007
sprintf( str, "CWD %s", url->file);
sock_puts(socket,(unsigned char *)str);
do
{
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
//!!glennmcc: Apr 08, 2005 -- commented-out this block
// to fix the problem of 'broken dir listing' when the
// 'FTP welcome message' contains linefeeds
// such as at ftp://ftp.cdrom.com/.2/simtelnet/
/*
if ( *buffer != '2' && buffer[0]!=' ')
{
write(cache->handle,buffer,strlen(buffer));
rv=1;
goto quit;
}
else if (buffer[3]=='-' || buffer[0]==' ')
*/
//!!glennmcc: end
{
strcat(buffer,"\r\n");
rv=1;
write(cache->handle,buffer,strlen(buffer));
}
}
//!!glennmcc: Apr 08, 2005 -- added a test for !=' ' which is also
// needed for the same fix at ftp://ftp.cdrom.com/.2/simtelnet/
while(buffer[3]=='-' || buffer[3]!=' ' || buffer[0]==' '); //continued message!
// while(buffer[3]=='-' || buffer[0]==' '); //continued message!
//!!glennmcc: end
}
strcpy(cache->mime,"ftp/list");
sprintf( str, "LIST");
}
else
{
char *fnameptr;
char mimestr[80]="ftp/binary";
fnameptr=strrchr(url->file,'/');
if(!fnameptr)
{
fnameptr=strrchr(url->file,'\\');
if(!fnameptr)
fnameptr=url->file;
else
fnameptr++;
}
else
fnameptr++;
sprintf( str, "TYPE I");
if(fnameptr)
{
char ext[5];
strcpy(mimestr,"file/");
strncat(mimestr,fnameptr,70);
mimestr[79]='\0';
get_extension(mimestr,ext);
if(!strncmpi(ext,"TXT",3) || !strncmpi(ext,"HTM",3))
{
//!!glennmcc: begin June 09, 2002
//optionally upload TXT and HTM in binary mode
ptr=configvariable(&ARACHNEcfg,"UseBinaryFTP",NULL);
if(!ptr || toupper(*ptr)=='N')
//!!glennmcc: end
sprintf( str, "TYPE A");
// ascii=1;
}
}
strcpy(cache->mime,mimestr);
sock_puts(socket,(unsigned char *)str);
write(log,str,strlen(str));
write(log,"\r\n",2);
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
write(log,buffer,strlen(buffer));
write(log,"\r\n",2);
// printf("FTP daemon said>");
// puts(buffer);
if ( *buffer != '2' || uploadfile)
{
strcat(buffer,"\n");
write(cache->handle,buffer,strlen(buffer));
}
if ( *buffer != '2' )
{
rv=1;
goto quit;
}
if(!uploadfile)
//!!glennmcc: Oct 17, 2007 -- fix problems with FTP servers
//which interpret the leading '/' as an attempted CD to 'root'
if(url->file[0]=='/')
sprintf( str, "RETR %s", url->file+1);
else
sprintf( str, "RETR %s", url->file);
//original single line above this comment
//!!glennmcc: end
else
sprintf( str, "STOR %s", url->file);
}
sock_puts(socket,(unsigned char *)str);
write(log,str,strlen(str));
write(log,"\r\n",2);
//!!glennmcc: Oct 19, 2008 -- back to original fix
//!!glennmcc: Nov 15, 2007 -- always 'close' the connection when done
//with both dir listings and file downloads
//Apr 10, 2007 fix did it only for dir listings
if(isdir || strstr(str,"RETR"))
//if(isdir)
sock_puts(socket,(unsigned char *)"QUIT");//!!glennmcc: Apr 10, 2007
//!!glennmcc: end
if(!retry)
{
//get file using datahost & dataport
GlobalLogoStyle=0; //SDL set resolve animation
host=resolve_fn( datahost, (sockfunct_t) TcpIdleFunc ); //SDL
// host=resolve( datahost );
if(!host)
goto quit;
GlobalLogoStyle=2; //SDL set connect animation
if (!tcp_open( &datasocket, locport(), host, dataport, NULL ))
{
sprintf(str,msg_errcon,datahost);
outs(str);
goto quit;
}
sprintf(str,msg_con,datahost,dataport);
outs(str);
write(log,str,strlen(str));
write(log,"\r\n",2);
//wait for datasocket to open:
sock_wait_established(&datasocket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status); //SDL
//!!glennmcc: Sep 27, 2008 -- increase D/L speed on cable & DSL
//many thanks to 'mik' for pointing me in the right direction. :)
{
#ifdef DEBUG
char sp[80];
sprintf(sp,"Available stack = %u bytes",_SP);
outs(sp);
Piip(); Piip();
#endif
if(_SP>(1024*SETBUFSIZE))
{
char setbuf[1024*SETBUFSIZE];
sock_setbuf(&datasocket, (unsigned char *)setbuf, 1024*SETBUFSIZE);
}
}
//!!glennmcc: end
GlobalLogoStyle=1; //SDL set data animation
}
//wait for "110 openning connection" (or "550 ....error....")
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
write(log,buffer,strlen(buffer));
write(log,"\r\n",2);
// printf("FTP daemon said>");
// puts(buffer);
if ( *buffer != '1' || uploadfile)
{
strcat(buffer,"\n");
write(cache->handle,buffer,strlen(buffer));
}
if ( *buffer != '1' )
{
if(!strncmp(buffer,"550",3) && !retry)
{
retry=1;
isdir=1-isdir;
if(isdir)
strcat(url->file,"/");
else
{
int i=strlen(url->file);
if(i>0 && url->file[i-1]=='/')
url->file[i-1]='\0';
}
goto retry;
}
strcpy(cache->mime,"text/plain");
rv=1;
goto dataquit;
}
if(!uploadfile) //-------------------------------------- download ---------------
{
while ( 1 )
{
xChLogoTICK(1);
if(GUITICK())
if(GLOBAL.gotolocation || GLOBAL.abort)
goto dataquit;
if (sock_dataready( &datasocket ))
{
len = sock_fastread( &datasocket, (unsigned char*)buffer, BUFLEN );
write(cache->handle,buffer,len);
total+=len;
sprintf(str,MSG_BYTESR,MSG_DOWNLD,total);
outs(str);
}
else
sock_tick( &datasocket, &status ); //shift TCP/IP
}
}
else //-------------------------------------- upload ------------------
{
int f,lenread,done;
long length;
char pom[256];
/* if(ascii)
f=a_sopen(uploadfile,O_RDONLY|O_TEXT, SH_DENYNO, S_IREAD);
else*/
f=a_sopen(uploadfile,O_RDONLY|O_BINARY, SH_DENYNO, S_IREAD);
if(f<0)
goto dataquit;
lenread=done=0;
length=0l;
{
long filel=a_filelength(f);
while(1)
{
sprintf(pom,MSG_UPLOAD,length,filel);
outs(pom);
//!!glennmcc:Oct 23, 2008 -- 'reversed the logic'
// to keep from overflowing at 21megs
if(filel>100)
percentbar((int)(length/(filel/100)));
// percentbar((int)(100*length/filel));
lenread=a_read(f,buffer,BUFLEN);
length+=lenread;
if(lenread<=0)
done=1;
//wait until we can write to socket:
while(sock_tbleft(&datasocket)<lenread) //SDL
// while( datasocket.datalen > 1024)
{
sock_tick(&datasocket,&status);
xChLogoTICK(1); // animation of logo
if(GUITICK())
goto dataquit;
}
if(done)
{
sock_close( &datasocket );
a_close(f);
goto dataclose;
}
sock_fastwrite(&datasocket,(unsigned char *)buffer,lenread);
sock_tick(&datasocket,&status);
}//loop
}
}
dataquit:
//!!glennmcc: Nov 15, 2007 -- removed sock_abort because it was
// sometimes preventing the connection from being closed,
// therefore preventing access to several files within a short time
// due to too many connections open from the same IP
// sock_abort( &datasocket );//original line
//!!glennmcc: end
dataclose:
outs(MSG_CLOSE);
sock_puts(socket,(unsigned char *)"QUIT");//!!glennmcc: Dec 04, 2006
sock_wait_closed( &datasocket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
if(uploadfile)
{
sock_wait_input( socket, sock_delay, (sockfunct_t) TcpIdleFunc,
&status ); //SDL
sock_gets( socket, (unsigned char *)buffer, sizeof( buffer ));
outs(buffer);
}
quit:
sock_puts(socket,(unsigned char *)"QUIT");
sock_close( socket );
closing[socknum]=1;
sock_keepalive[socknum][0]='\0';
// sock_wait_closed( socket, sock_delay, NULL, &status );
//we will better wait because we are about to deallocate datasocket
sock_err:
switch (status) {
case 1 : /* foreign host closed */
write(log,MSG_CLOSE,strlen(MSG_CLOSE));
write(log,"\r\n",2);
close(log);
break;
case -1: /* timeout */
sprintf(str,MSG_TCPERR, sockerr(socket));
outs(str);
write(log,str,strlen(str));
write(log,"\r\n",2);
close(log);
break;
}
if(total)
{
cache->knowsize=1;
cache->size=total;
rv=1;
}
if(cache->handle>=0)
{
a_close(cache->handle);
rv=1;
}
return rv;
}
static int get_headlines(char *rss_site,char *rss_page){
longword rss_server; //holds resolve(RSS_SERVER)
int bytes_read,total_bytes; //for sock_fastread
int count;
tcp_Socket socket; //for comm
char rssCode[6500]; //7kb max downloaded file limit
unsigned int pos;
char temp[500];
char* newStr;
char otherStr[500];
printf("Fetching headlines...\n");
if (!tcp_tick(NULL)) {
printf(" ! No network");
return 0;
}
//connect to the server
if (!(rss_server = resolve(rss_site))) {
printf(" ! Could not resolve host");
return 0;
}
if( !tcp_open(&socket,0,rss_server,HTTP_PORT,NULL)){
printf(" ! Unable to connect to remote server");
return 0;
}
//wait for the connection to be established
while (!sock_established(&socket) && sock_bytesready(&socket)==-1){
tcp_tick(NULL);
}
printf(" connected! sending request\n");
//get the RSS code
memset(rssCode,0,sizeof(rssCode)); //empty it first!
sock_puts(&socket,"GET ");
sock_puts(&socket,rss_page);
sock_puts(&socket," HTTP/1.0\n");
sock_puts(&socket,"Accept: text/xml\nAccept: text/plain\nAccept: application/rss+xml\n\n");
sock_puts(&socket,"User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; m18) Gecko/20001108 Netscape6/6.0 \r\n\r\n");
total_bytes=0;
do{
//this should be changed to parse as we receive each set of
//bytes, so we don't need to waste 10k of memory with the big
//rssCode array...
bytes_read=sock_fastread(&socket,rssCode+total_bytes,sizeof(rssCode)-1-total_bytes);
total_bytes+=bytes_read;
} while(tcp_tick(&socket) && (total_bytes < sizeof(rssCode)-2));
printf(" Connection closed (received %d bytes)...\n",total_bytes);
if(total_bytes<600) printf(rssCode);
//parse out the headlines
memset(headlines,0,sizeof(headlines));
strcat(headlines,"** ");
newStr = strstr(rssCode,"<title>");
newStr = strstr(newStr,">");
count=0;
while((newStr!= NULL)){
pos = strcspn(newStr,"<");
temp[0] = 0;
strncat(temp,newStr,pos);
substr(otherStr,temp,1,strlen(temp));
printf(" - \"%s\"\n",otherStr); //debug - print out the headline
strcat(headlines,otherStr);
strcat(headlines,"... ");
newStr = strstr(newStr,"</title>");
newStr = strstr(newStr,"<title>");
newStr = strstr(newStr,">");
count++;
}
printf("Parsed out %d headlines.\n\n",count);
return 1;
}
/*
* Receive a TFTP data packet
*/
static int recv_packet (DWORD block)
{
int len, status = 0;
/* Use a callback since first block sent might cause a "ICMP
* port unreachable" to be sent back. Note that the normal mechanism
* of detecting ICMP errors (through _udp_cancel) doesn't work since
* we did set 'sock->udp.hisaddr = 0'.
*
* Note: 'block' is 32-bit, but 16-bit in tftp-header.
* We allow the header block-counter to wrap (allowing > 32MB files).
*/
if (block == 1UL)
sock->udp.icmp_callb = (icmp_upcall) udp_callback;
else sock->udp.icmp_callb = NULL;
/* Read packet with timeout
*/
sock_wait_input (sock, tftp_timeout, NULL, &status);
len = sock_fastread (sock, (BYTE*)inbuf, TFTP_HEADSIZE+SEGSIZE);
/* Check that the packet has a correct length
*/
len -= TFTP_HEADSIZE;
if (len < 0 || len > SEGSIZE)
{
TRACE (("tftp: Invalid packet, len = %d\n", len));
tftp_errno = ERR_INV;
return (-1);
}
/* Check if we got an error packet
*/
if (intel16(inbuf->th_opcode) == ERROR)
{
#if defined(USE_DEBUG)
int code = intel16 (inbuf->th_code);
const char *str = tftp_strerror (code);
TRACE (("tftp: Error: %s (%d): %.*s\n",
str, code, SEGSIZE, inbuf->th_data));
#endif
tftp_errno = ERR_ERR;
return (-1);
}
/* Check if we got a valid data packet at all
*/
if (intel16(inbuf->th_opcode) != DATA)
{
TRACE (("tftp: Invalid opcode %d\n", intel16(inbuf->th_opcode)));
tftp_errno = ERR_OP;
return (-1);
}
/* Check if the block number of the data packet is correct
*/
if (intel16(inbuf->th_block) != (WORD)block)
{
TRACE (("tftp: Block %u != %u\n", intel16(inbuf->th_block), (WORD)block));
tftp_errno = ERR_BLOCK;
return (-1);
}
tftp_errno = 0;
if (debug_on)
(*_outch) ('#'); /* Write 1 hash-mark per block */
return (len);
sock_err:
if (status == -1)
{
if (debug_on)
(*_outch) ('T');
tftp_errno = ERR_TIMEOUT;
return (-1);
}
/* most likely "Port unreachable"
*/
TRACE (("tftp: %s\n", sockerr(sock)));
tftp_errno = ERR_UNKNOWN;
return (-1);
}
int main()
{
auto int if_status;
printf("Multiple Interface Echo Test\n");
usage();
printf("\nPress any key to proceed.\n");
while (!kbhit());
getchar();
printf("Initializing TCP/IP stack...\n");
for (i = 0; i < IF_MAX; i++)
ifconfig(i, IFG_IPADDR, oldip+i,
#ifdef USE_IF_CALLBACK
IFS_IF_CALLBACK, updowncb,
#endif
IFS_END);
sock_init();
// Wait for the interface to come up
while (IF_COMING_UP == (if_status = ifpending(IF_DEFAULT)) ||
IF_COMING_DOWN == if_status)
{
tcp_tick(NULL);
}
printf("...done.\n");
memset(state, 0, sizeof(state));
socknum = -1;
seq = 1;
ping_ip = 0;
act_ip = 0;
asock = s + (NUM_SOCKS - 1);
astate = state + (NUM_SOCKS - 1);
*astate = STATE_DONT_USE;
if(!udp_extopen(&usock, IF_ANY, ECHO_PORT, -1L, 0, echo_handler, 0, 0)) {
printf("udp_extopen failed!\n");
exit(0);
}
for (;;) {
socknum++;
if (socknum == NUM_SOCKS)
socknum = 0;
tcp_tick(NULL);
if (state[socknum] > STATE_CLOSED &&
!sock_alive(s+socknum)) {
if (socknum == NUM_LISTEN_SOCKS) {
printf("Active socket closed\n");
state[socknum] = STATE_DONT_USE;
}
else {
printf("Socket %d closed\n", socknum);
state[socknum] = STATE_CLOSED;
}
sock_perror(s+socknum, NULL);
}
for (i = 0; i < IF_MAX; i++) {
ifconfig(i, IFG_IPADDR, &ip, IFS_END);
if (oldip[i] != ip) {
printf("IPaddr on i/f %d changed from %08lx to %08lx\n",
i, oldip[i], ip);
oldip[i] = ip;
ifconfig(i, IFS_ICMP_CONFIG_RESET, IFS_END);
}
}
if (kbhit()) {
kb = getchar();
if (kb == '?')
usage();
else if (kb == 'i')
ip_print_ifs();
else if (kb == 'r')
router_printall();
else if (kb == 'c')
arpcache_printall();
else if (kb == 'p') {
printf("Press an interface number [TCP/IP now blocked]\n");
while (!kbhit());
kb = getchar();
if (isdigit(kb)) {
ifconfig(kb - '0', IFG_ROUTER_DEFAULT, &ping_ip, IFS_END);
if (ping_ip) {
printf("Pinging router %08lX...\n", ping_ip);
_send_ping(ping_ip, seq++, 1, IPTOS_DEFAULT, &ping_id);
}
else
printf("No router for interface %d\n", kb - '0');
}
else
printf("No interface selected.\n");
}
else if (kb == 'a') {
if (act_ip && *astate != STATE_DONT_USE) {
printf("Closing active connection to %s...\n", inet_ntoa(buf, act_ip));
sock_close(asock);
while (tcp_tick(asock));
}
*astate = STATE_DONT_USE;
printf("Enter a host name or IP address [TCP/IP now blocked]\n");
gets(buf);
printf("Resolving...\n");
act_ip = resolve(buf);
if (act_ip) {
printf("Enter a port number to connect to (0-65535)\n");
gets(buf);
aport = (word)atol(buf);
printf("Opening to %s:%u...\n", inet_ntoa(buf, act_ip), aport);
*astate = STATE_ACTOPEN;
}
else
printf("Could not resolve %s to IP address.\n", buf);
}
else if (isdigit(kb)) {
// Toggle interface status
kb -= '0';
if (!(1u<<kb & IF_SET)) {
printf("Not a valid interface\n");
continue;
}
if (ifstatus(kb)) {
printf("Bringing interface %d down...\n", kb);
ifconfig(kb, IFS_DOWN, IFS_END);
}
else {
printf("Bringing interface %d up...\n", kb);
ifconfig(kb, IFS_UP, IFS_END);
}
}
}
if (ping_ip) {
if (_chk_ping(ping_ip , &ping_id) != 0xffffffffL) {
printf("Got ping response from %08lX\n", ping_ip);
ping_ip = 0;
}
}
switch (state[socknum]) {
case STATE_CLOSED:
if (!tcp_extlisten(s + socknum, IF_ANY, ECHO_PORT, 0, 0, t_handler, 0, 0, 0)) {
printf("Listen failed - socket %d\n", socknum);
state[socknum] = STATE_DONT_USE;
break;
}
printf("Listening on socket %d...\n", socknum);
state[socknum] = STATE_LISTEN;
break;
case STATE_ACTOPEN:
if (!tcp_extopen(s + socknum, IF_ANY, 0, act_ip, aport, t_handler, 0, 0)) {
printf("Active open failed\n");
state[socknum] = STATE_DONT_USE;
break;
}
state[socknum] = STATE_LISTEN;
break;
case STATE_LISTEN:
if (sock_established(s + socknum)) {
printf("Connection %d estab.\n", socknum);
state[socknum] = STATE_ESTAB;
}
break;
case STATE_ESTAB:
if ((rb = sock_fastread(s + socknum, buf, sizeof(buf))) > 0) {
sock_fastwrite(s + socknum, buf, rb);
if (!strncmp(buf, "quit", 4)) {
printf("Peer on socket %d requests close\n", socknum);
sock_close(s + socknum);
state[socknum] = STATE_CLOSING;
}
}
else if (rb < 0) {
printf("Connection %d closed by peer.\n", socknum);
sock_close(s + socknum);
state[socknum] = STATE_CLOSING;
}
break;
default:
break;
}
}
}
void main(void)
{
// index is used to loop through the interfaces
int index;
// Initialize the TCP/IP stack
sock_init();
// Initialize the state machine structure
for (index = 0; index <= VIRTUAL_ETH; index++) {
socks[index].state = LSTN_STATE;
socks[index].iface = 0;
memset(socks[index].buff, 0, sizeof(socks[index].buff));
socks[index].bytes = 0;
}
// Perform network configuration on the main (physical) Ethernet ineterface
printf("Bringing up Main Interface %2d:\n", socks[0].iface);
ifconfig(IF_ETH0,
IFS_IPADDR, aton(LOCAL_IP),
IFS_NETMASK, aton(LOCAL_NETMASK),
IFS_ROUTER_SET,aton(LOCAL_GATEWAY),
IFS_UP,
IFS_END);
// Wait for the interface to come up
while (ifpending(IF_ETH0) == IF_COMING_UP) {
tcp_tick(NULL);
}
printf("Main Interface %2d: is up!!\n", socks[0].iface);
// Configure each of the virtual Ethernet interfaces
for (index = 1; index <= VIRTUAL_ETH; index++) {
// virtual_eth() creates a new virtual Ethernet interface and returns
// the new interface number
socks[index].iface = virtual_eth(IF_ETH0, aton(LOCAL_IP) + index,
aton(LOCAL_NETMASK), NULL);
if (socks[index].iface != -1) {
printf("Created Virtual Interface %2d:\n", socks[index].iface);
}
else {
exit(0);
}
// Wait for the virtual Ethernet interface to come up
while (ifpending(socks[index].iface) == IF_COMING_UP) {
tcp_tick(NULL);
}
printf("Virtual Interface %2d: is up!!\n", socks[index].iface);
}
// Print out information on the interfaces
ip_print_ifs();
// Begin the main program loop
while (1) {
// Iterate over the Ethernet interfaces
for (index = 0; index <= VIRTUAL_ETH; index++) {
switch (socks[index].state) {
// Listen on the socket
case LSTN_STATE:
// Note that the iface number is passed to tcp_extlisten()
if (tcp_extlisten(&socks[index].s, socks[index].iface,
LOCAL_PORT, 0, 0, NULL, 0, 0, 0)) {
socks[index].state = ESTB_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
printf("Interface %2d: listening on port: %5d\n",
socks[index].iface, LOCAL_PORT);
}
else {
// tcp_extlisten() failed--let the user know
printf("Interface %2d: tcp_extlisten failed\n",
socks[index].iface);
socks[index].state = CLSE_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
}
break;
// Check if a connection has been established
case ESTB_STATE:
if (sock_established(&socks[index].s) ||
sock_bytesready(&socks[index].s) >= 0) {
socks[index].state = RECV_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
printf("Interface %2d: socket established.\n",
socks[index].iface);
}
break;
// Check if data has been received. If so, read it out.
case RECV_STATE:
// Read any incoming data
socks[index].bytes = sock_fastread(&socks[index].s,
socks[index].buff,
sizeof(socks[index].buff));
if (socks[index].bytes == -1) {
// sock_fastread() returned an error--means that the socket is
// likely closed
printf("Interface %2d: sock_fastread failed\n",
socks[index].iface);
socks[index].state = CLSE_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
}
// Check if we received any data
if (socks[index].bytes > 0) {
printf("Interface %2d: revd: %2d bytes\n", socks[index].iface,
socks[index].bytes);
socks[index].state = SEND_STATE; // send the data back
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
}
break;
// Echo back any received data
case SEND_STATE:
socks[index].bytes = sock_fastwrite(&socks[index].s,
socks[index].buff,
socks[index].bytes);
if (socks[index].bytes == -1) {
// sock_fastwrite() returned an error--means that the socket
// is likely closed
printf("Interface %2d: sock_fastwrite failed\n",
socks[index].iface);
socks[index].state = CLSE_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
}
// Check how much data was written. Note that in this program,
// if not all the data was written, the remaining data will be
// dropped. A more realistic program would try sending the rest
// of the data later, or using sock_awrite() until the data can
// be sent.
if (socks[index].bytes > 0) {
printf("Interface %2d: sent: %2d bytes\n",
socks[index].iface, socks[index].bytes);
socks[index].state = RECV_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
}
break;
// Close the socket
case CLSE_STATE:
sock_close(&socks[index].s);
socks[index].state = CLWT_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
break;
// Wait for the socket to completely close
case CLWT_STATE:
if (!sock_alive(&socks[index].s)) {
printf("Interface %2d: socket closed.\n",
socks[index].iface);
socks[index].state = LSTN_STATE;
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
}
break;
// Abort the socket--used only if a socket has timed out in one of
// the closing states
case ABRT_STATE:
sock_abort(&socks[index].s); // abort the socket
socks[index].state = LSTN_STATE; // try to listen again
socks[index].timer = SEC_TIMER + TIME2WAIT; // reset the timer
break;
}
// Drive the TCP/IP stack
tcp_tick(NULL);
// Check the timeout on this socket, and close or abort the socket
// if necessary
timed_out(index);
}
}
}
void main()
{
int state;
long timeout;
int bytes_read;
static char buffer[64];
static tcp_Socket socket;
// Initialize I/O to use PowerCoreFLEX prototyping board
brdInit();
serXopen(BAUD_RATE); // set up serial port
serMode(0);
sock_init(); // initialize DCRTCP
tcp_reserveport(PORT); // set up PORT for SYN Queueing
// which will hold a pending connection
// until we are ready to process it.
state=CONNECTION_INIT;
while(1) {
if(state==CONNECTION_OPEN) {
if(debounce_key()) {
sock_close(&socket);
state=CONNECTION_CLOSED;
}
}
/*
* Make sure that the connection hasn't closed on us.
*
*/
if(tcp_tick(&socket)==0 && state!=CONNECTION_INIT) {
sock_close(&socket);
state=CONNECTION_CLOSED;
}
switch(state) {
case CONNECTION_INIT:
tcp_listen(&socket,PORT,0,0,NULL,0);
state=CONNECTION_LISTEN;
break;
case CONNECTION_LISTEN:
if(sock_established(&socket)) {
state=CONNECTION_OPEN;
timeout=SEC_TIMER+TIMEOUT;
serXrdFlush();
serXwrFlush();
led(RESET_LED);
}
break;
case CONNECTION_OPEN:
/*
* close the socket on a timeout
*
*/
if((long) (SEC_TIMER-timeout) >= 0) {
sock_close(&socket);
state=CONNECTION_CLOSED;
break;
}
/*
* read as many bytes from the socket as we have
* room in the serial buffer. Also strip out the
* telnet commands.
*/
bytes_read = 0;
if(sock_bytesready(&socket) != -1)
{
bytes_read=sock_fastread(&socket, buffer, min(sizeof(buffer), serXwrFree()));
bytes_read=strip_telnet_cmds(buffer, bytes_read);
}
/*
* close the socket on an error
*
*/
if(bytes_read<0) {
sock_close(&socket);
state=CONNECTION_CLOSED;
break;
}
/*
* copy any bytes that we read
*
*/
if(bytes_read > 0) {
timeout=SEC_TIMER+TIMEOUT;
serXwrite(buffer, bytes_read);
}
/*
* read as many bytes from the serial port as we
* have room in the socket buffer.
*
*/
bytes_read=serXread(buffer,min(sizeof(buffer),sock_tbleft(&socket)),100);
if(bytes_read>0) {
timeout=SEC_TIMER+TIMEOUT;
if(sock_fastwrite(&socket,buffer,bytes_read)<0) {
sock_close(&socket);
state=CONNECTION_CLOSED;
}
}
led(TOGGLE_LED);
break;
case CONNECTION_CLOSED:
serXrdFlush();
serXwrFlush();
sprintf(buffer, "\n\rConnection closed\n\r");
serXwrite(buffer, strlen(buffer));
led(RESET_LED);
state=CONNECTION_INIT;
break;
}
}
}
