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/*****************************************************************************
File: libmain.cpp
Date: 06Apr06
Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
Gmail: garbagecat10
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
#include <iostream>
#include <string>
#include <stdexcept>
using namespace std;
#include <ruby.h>
#include "http.h"
/**************************
class RubyHttpConnection_t
**************************/
class RubyHttpConnection_t: public HttpConnection_t
{
public:
RubyHttpConnection_t (VALUE v): Myself(v) {}
virtual ~RubyHttpConnection_t() {}
virtual void SendData (const char*, int);
virtual void CloseConnection (bool after_writing);
virtual void ProcessRequest (const char *request_method,
const char *cookie,
const char *ifnonematch,
const char *contenttype,
const char *query_string,
const char *path_info,
const char *request_uri,
const char *protocol,
int postlength,
const char *postdata,
const char *hdrblock,
int hdrblocksize);
virtual void ReceivePostData (const char *data, int len);
private:
VALUE Myself;
};
/******************************
RubyHttpConnection_t::SendData
******************************/
void RubyHttpConnection_t::SendData (const char *data, int length)
{
rb_funcall (Myself, rb_intern ("send_data"), 1, rb_str_new (data, length));
}
/*************************************
RubyHttpConnection_t::CloseConnection
*************************************/
void RubyHttpConnection_t::CloseConnection (bool after_writing)
{
VALUE v = rb_intern (after_writing ? "close_connection_after_writing" : "close_connection");
rb_funcall (Myself, v, 0);
}
/*************************************
RubyHttpConnection_t::ReceivePostData
*************************************/
void RubyHttpConnection_t::ReceivePostData (const char *data, int len)
{
VALUE data_val = Qnil;
if ((len > 0) && data) {
data_val = rb_str_new(data,len);
rb_funcall (Myself, rb_intern ("receive_post_data"), 1, data_val);
}
}
/************************************
RubyHttpConnection_t::ProcessRequest
************************************/
void RubyHttpConnection_t::ProcessRequest (const char *request_method,
const char *cookie,
const char *ifnonematch,
const char *contenttype,
const char *query_string,
const char *path_info,
const char *request_uri,
const char *protocol,
int post_length,
const char *post_content,
const char *hdr_block,
int hdr_block_size)
{
VALUE post = Qnil;
VALUE headers = Qnil;
VALUE req_method = Qnil;
VALUE cookie_val = Qnil;
VALUE ifnonematch_val = Qnil;
VALUE contenttype_val = Qnil;
VALUE path_info_val = Qnil;
VALUE query_string_val = Qnil;
VALUE request_uri_val = Qnil;
VALUE protocol_val = Qnil;
if ((post_length > 0) && post_content)
post = rb_str_new (post_content, post_length);
if (hdr_block && (hdr_block_size > 0))
headers = rb_str_new (hdr_block, hdr_block_size);
else
headers = rb_str_new ("", 0);
if (request_method && *request_method)
req_method = rb_str_new (request_method, strlen (request_method));
if (cookie && *cookie)
cookie_val = rb_str_new (cookie, strlen (cookie));
if (ifnonematch && *ifnonematch)
ifnonematch_val = rb_str_new (ifnonematch, strlen (ifnonematch));
if (contenttype && *contenttype)
contenttype_val = rb_str_new (contenttype, strlen (contenttype));
if (path_info && *path_info)
path_info_val = rb_str_new (path_info, strlen (path_info));
if (query_string && *query_string)
query_string_val = rb_str_new (query_string, strlen (query_string));
if (request_uri && *request_uri)
request_uri_val = rb_str_new (request_uri, strlen (request_uri));
if (protocol && *protocol)
protocol_val = rb_str_new (protocol, strlen (protocol));
rb_ivar_set (Myself, rb_intern ("@http_request_method"), req_method);
rb_ivar_set (Myself, rb_intern ("@http_cookie"), cookie_val);
rb_ivar_set (Myself, rb_intern ("@http_if_none_match"), ifnonematch_val);
rb_ivar_set (Myself, rb_intern ("@http_content_type"), contenttype_val);
rb_ivar_set (Myself, rb_intern ("@http_path_info"), path_info_val);
rb_ivar_set (Myself, rb_intern ("@http_request_uri"), request_uri_val);
rb_ivar_set (Myself, rb_intern ("@http_query_string"), query_string_val);
rb_ivar_set (Myself, rb_intern ("@http_post_content"), post);
rb_ivar_set (Myself, rb_intern ("@http_headers"), headers);
rb_ivar_set (Myself, rb_intern ("@http_protocol"), protocol_val);
rb_funcall (Myself, rb_intern ("process_http_request"), 0);
}
/*******
Statics
*******/
VALUE Intern_http_conn;
/********************
t_get_http_connection
********************/
static RubyHttpConnection_t *t_get_http_connection(VALUE self)
{
RubyHttpConnection_t *hc;
VALUE ivar = rb_ivar_get (self, Intern_http_conn);
if (ivar != Qnil)
Data_Get_Struct (ivar, RubyHttpConnection_t, hc);
else
hc = NULL;
return hc;
}
/********************
t_delete_http_connection
********************/
void t_delete_http_connection(RubyHttpConnection_t *hc)
{
delete hc;
}
/***********
t_post_init
***********/
static VALUE t_post_init (VALUE self)
{
RubyHttpConnection_t *hc = new RubyHttpConnection_t (self);
if (!hc)
throw std::runtime_error ("no http-connection object");
/*
HACK: http_connection should be given an actual type. No one should
be touching it from inside ruby, but still
*/
VALUE http_connection = Data_Wrap_Struct(CLASS_OF(self), 0, t_delete_http_connection, hc);
rb_ivar_set (self, Intern_http_conn, http_connection);
return Qnil;
}
/**************
t_receive_data
**************/
static VALUE t_receive_data (VALUE self, VALUE data)
{
int length = NUM2INT (rb_funcall (data, rb_intern ("length"), 0));
RubyHttpConnection_t *hc = t_get_http_connection (self);
if (hc)
hc->ConsumeData (StringValuePtr (data), length);
return Qnil;
}
/*******************
t_receive_post_data
*******************/
static VALUE t_receive_post_data (VALUE self, VALUE data)
{
/** This is a NOOP. It should be overridden. **/
return Qnil;
}
/********
t_unbind
********/
static VALUE t_unbind (VALUE self)
{
return Qnil;
}
/**********************
t_process_http_request
**********************/
static VALUE t_process_http_request (VALUE self)
{
// This is a stub in case the caller doesn't define it.
rb_funcall (self, rb_intern ("send_data"), 1, rb_str_new2 ("HTTP/1.1 200 OK\r\nContent-type: text/plain\r\nContent-length: 8\r\n\r\nMonorail"));
return Qnil;
}
/************************
t_no_environment_strings
************************/
static VALUE t_no_environment_strings (VALUE self)
{
RubyHttpConnection_t *hc = t_get_http_connection (self);
if (hc)
hc->SetNoEnvironmentStrings();
return Qnil;
}
/**********************
t_dont_accumulate_post
**********************/
static VALUE t_dont_accumulate_post (VALUE self)
{
RubyHttpConnection_t *hc = t_get_http_connection (self);
if (hc)
hc->SetDontAccumulatePost();
return Qnil;
}
/****************************
Init_eventmachine_httpserver
****************************/
extern "C" void Init_eventmachine_httpserver()
{
Intern_http_conn = rb_intern ("http_conn");
VALUE EmModule = rb_define_module ("EventMachine");
VALUE HttpServer = rb_define_module_under (EmModule, "HttpServer");
rb_define_method (HttpServer, "post_init", (VALUE(*)(...))t_post_init, 0);
rb_define_method (HttpServer, "receive_data", (VALUE(*)(...))t_receive_data, 1);
rb_define_method (HttpServer, "receive_post_data", (VALUE(*)(...))t_receive_post_data, 1);
rb_define_method (HttpServer, "unbind", (VALUE(*)(...))t_unbind, 0);
rb_define_method (HttpServer, "process_http_request", (VALUE(*)(...))t_process_http_request, 0);
rb_define_method (HttpServer, "no_environment_strings", (VALUE(*)(...))t_no_environment_strings, 0);
rb_define_method (HttpServer, "dont_accumulate_post", (VALUE(*)(...))t_dont_accumulate_post, 0);
}
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