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#include <dirent.h>
#include <sys/wait.h>
#include <errno.h>
#include "protocolhttp.h"
#define CRLF "\x0D\x0A"
#define CR '\x0D'
#define LF '\x0A'
using namespace Bu;
Bu::ProtocolHttp::ProtocolHttp()
{
}
Bu::ProtocolHttp::~ProtocolHttp()
{
}
void Bu::ProtocolHttp::onNewConnection( Bu::Client *pClient )
{
this->pClient = pClient;
iState = 0;
}
#define SDB( i ) printf("state %d: %d, \"%s\"\n", i, tt, sToken.getStr() )
void Bu::ProtocolHttp::onNewData( Bu::Client *pClient )
{
for(;;)
{
Bu::FString sToken;
TokenType tt = getToken( sToken );
if( tt == ttOutOfData )
return;
switch( iState )
{
case 0: // Initial header
SDB( 0 );
sMethod = sToken;
iState = 1;
break;
case 1: // Misc headers
SDB( 1 );
sPath = sToken;
iState = 2;
break;
case 2: // Content
SDB( 2 );
if( strncmp( sToken.getStr(), "HTTP/", 5 ) )
{
printf("not http, disconnect.\n");
pClient->disconnect();
return;
}
else
{
char *s, *s2;
s = sToken.getStr()+5;
iMajor = strtol( s, &s2, 10 );
iMinor = strtol( s2+1, NULL, 10 );
printf("HTTP: %d.%d\n", iMajor, iMinor );
iState = 3;
}
break;
case 3:
SDB( 3 );
pClient->disconnect();
return;
break;
}
}
}
Bu::ProtocolHttp::TokenType Bu::ProtocolHttp::getToken( Bu::FString &line )
{
char s;
int jmax = pClient->getInputSize();
bool bNonWS = false;
for( int j = 0; j < jmax; j++ )
{
pClient->peek( &s, 1, j );
if( iState > 2 && isSeperator( s ) )
{
if( j == 0 )
{
line += s;
pClient->seek( 1 );
return ttSeperator;
}
else
{
pClient->seek( j );
return ttString;
}
}
else if( isWS( s ) )
{
if( bNonWS )
{
pClient->seek( j );
return ttString;
}
}
else if( s == CR )
{
if( pClient->getInputSize() < 3 )
return ttOutOfData;
char ss[2];
pClient->peek( ss, 2, j+1 );
if( ss[0] == LF && ss[1] != ' ' && ss[1] != '\t' )
{
if( bNonWS )
{
pClient->seek( j );
return ttString;
}
else
{
pClient->seek( 2 );
return ttNewline;
}
}
j += 2;
if( bNonWS )
{
pClient->seek( j );
return ttString;
}
}
else
{
line += s;
bNonWS = true;
}
}
return ttOutOfData;
}
bool Bu::ProtocolHttp::isWS( char buf )
{
return (buf == ' ' || buf == '\t');
}
bool Bu::ProtocolHttp::isSeperator( char buf )
{
return (buf == '(' || buf == ')' || buf == '<' || buf == '>' ||
buf == '@' || buf == ',' || buf == ';' || buf == ':' ||
buf == '\\' || buf == '\"' || buf == '/' || buf == '[' ||
buf == ']' || buf == '?' || buf == '=' || buf == '{' ||
buf == '}' );
}
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