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// ACE_HTBP_Outside_Squid_Filter.cpp
// $Id$
#include "ace/Log_Msg.h"
#include "HTBP_Session.h"
#include "HTBP_Outside_Squid_Filter.h"
#if !defined (__ACE_INLINE__)
#include "HTBP_Outside_Squid_Filter.inl"
#endif
ACE_RCSID(HTBP,
ACE_HTBP_Outside_Squid_Filter,
"$Id$")
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ssize_t
ACE::HTBP::Outside_Squid_Filter::recv_data_header (ACE::HTBP::Channel *ch)
{
// on the outside of the firewall, this method must do the details
// necessary to call replace_session or whatever to migrate the sock
// stream to the appropriate ACE::HTBP::Channel, then to finally
// assign the right filter to that stream. That filter will an
// ACE::HTBP::Outside_[Send|Recv]_Filter.
// in the case of an ACE::HTBP::Outside_Recv_Filter, the assigned
// filter must be a null filter first, with a replacement.
// recv header details
char *header_end = this->header_complete(ch);
if (header_end == 0)
{
if (ch->state() != ACE::HTBP::Channel::Closed)
{
ch->state(ACE::HTBP::Channel::Header_Pending);
errno = EWOULDBLOCK;
}
return 0;
}
char *start = ch->leftovers().rd_ptr();
int is_inbound = 0;
ACE_CString token ("POST ");
if (ACE_OS::strncmp (start,token.c_str(),token.length()) == 0)
is_inbound = 1;
else
{
token = "GET ";
if (ACE_OS::strncmp (start,
token.c_str(),
token.length()) != 0)
{
ch->leftovers().length(0);
errno = EINVAL;
ACE_ERROR_RETURN ((LM_ERROR,
"ACE::HTBP::Outside_Squid_Filter::recv_data_header "
"bad request header\n"),0);
}
}
start += token.length();
// "http://" is stripped by squid, leaving only "/"
start += (ACE_OS::strncmp (start,"http://",7) == 0) ? 7 : 1;
// set up the actual session and stream
ACE::HTBP::Session_Id_t session_id;
char * slash = ACE_OS::strchr(start,'/');
char * nl = ACE_OS::strchr (start,'\n');
if (slash == 0)
{
ch->leftovers().length(0);
errno = EINVAL;
ACE_ERROR_RETURN ((LM_ERROR,
"ACE::HTBP::Outside_Squid_Filter::recv_data_header "
"missing sender key\n"),0);
}
*slash = 0;
session_id.local_.string_to_addr (start);
start = slash+1;
slash = ACE_OS::strchr(start,'/');
if (slash == 0)
{
ch->leftovers().length(0);
errno = EINVAL;
ACE_ERROR_RETURN ((LM_ERROR,
"ACE::HTBP::Outside_Squid_Filter::recv_data_header "
"missing sender key\n"),0);
}
*slash = 0;
session_id.peer_.string_to_addr (start);
start = slash + 1;
slash = ACE_OS::strchr(start,' ');
if (slash == 0)
{
ch->leftovers().length (0);
errno = EINVAL;
ACE_ERROR_RETURN ((LM_ERROR,
"ACE::HTBP::Outside_Squid_Filter::recv_data_header "
"missing sender key"),0);
}
*slash = 0;
session_id.id_ = strtol(start,0,10);
start = slash + 1;
if (is_inbound)
{
token = "Content-Length: ";
char *tpos = ACE_OS::strstr(start,token.c_str());
if (tpos != 0)
{
nl = ACE_OS::strchr(tpos,'\n');
tpos += token.length();
*nl = 0;
ch->data_len(strtol(tpos,0,10));
start = nl+1;
}
}
ch->leftovers().rd_ptr(header_end);
ACE::HTBP::Session *session = 0;
if (ACE::HTBP::Session::find_session (session_id, session) == -1)
{
ACE_NEW_RETURN (session, ACE::HTBP::Session (session_id), 0);
if (ACE::HTBP::Session::add_session (session) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"ACE::HTBP::Outside_Squid_Filter::"
"recv_data_header %p",
"add_session"),0);
}
ch->session(session);
if (is_inbound)
{
ch->state(ACE::HTBP::Channel::Data_Queued);
session->inbound (ch);
}
else
{
ch->state(ACE::HTBP::Channel::Ready);
session->outbound (ch);
}
return 1;
}
ssize_t
ACE::HTBP::Outside_Squid_Filter::recv_data_trailer (ACE::HTBP::Channel *ch)
{
ch->state(ACE::HTBP::Channel::Send_Ack);
return 1;
}
int
ACE::HTBP::Outside_Squid_Filter::send_ack (ACE::HTBP::Channel *ch)
{
this->send_data_header (0,ch);
if (ch->state() == ACE::HTBP::Channel::Header_Sent)
ch->state(ACE::HTBP::Channel::Detached);
return 1;
}
ssize_t
ACE::HTBP::Outside_Squid_Filter::send_data_header (ssize_t data_len,
ACE::HTBP::Channel *ch)
{
ACE_CString header ("HTTP/1.1 200 OK\n"
"Content-Type: application/octet-stream\n"
"Content-Length: ");
char datalenstr[20];
ACE_OS::itoa (data_len,datalenstr,10);
header += datalenstr;
header += "\n\n";
ssize_t result = ch->ace_stream().send(header.c_str(),header.length());
ch->state(result == -1 ?
ACE::HTBP::Channel::Closed : ACE::HTBP::Channel::Header_Sent);
this->reset_http_code();
return 1;
}
ssize_t
ACE::HTBP::Outside_Squid_Filter::send_data_trailer (ACE::HTBP::Channel *ch)
{
ch->state(ACE::HTBP::Channel::Detached);
return 1;
}
int
ACE::HTBP::Outside_Squid_Filter::recv_ack (ACE::HTBP::Channel *)
{
return 1;
}
ACE_END_VERSIONED_NAMESPACE_DECL
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