/********************************************************************
 	Hello World Application for EhttpD 
 
 	Simple example of how to use EasyHTTPD
 	Step by Step
 
 
 	EhttpD - EasyHTTP Server/Parser C++ Class
 
 	http://www.littletux.com
 
 	Copyright (c) 2007, Barry Sprajc
 
 
 	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 	"AS IS".  USE AT YOUR OWN RISK.
 
 ********************************************************************/
 #include <time.h>
 #include <stdio.h>	
 
 #include "./embedhttp.h"		//The header file
 #include "./connection.h"		//A helper class to listen and accept
 								//incomming connections. You don't
 								//have to use this class, you can use
 								//your own method to get a socket
 
 
 int handleDefault( ehttp &obj, void *cookie );
 
 int main( int argc, char *argv[] )
 {
 	//---------------------------------------------------------------
 	//  #1a 
 	//	Instantiate an ehhtpd object, and call the  objects init() 
 	//	method.
 	//---------------------------------------------------------------
 	ehttp	http;
 	if( http.init() != EHTTP_ERR_OK )
 		{
 		printf("Can't initalize ehttpd\r\n");
 		exit(1);
 		}
 
 
 	//---------------------------------------------------------------
 	//	#2a
 	//	Add at least one request handler to the object.
 	//	Allways add a default handler.  The default 
 	//	handler has the filename parameter == NULL.
 	//---------------------------------------------------------------
 	http.add_handler(NULL,handleDefault);
 
 
 	// Listen on port 80 for requests
 	Connection c(1);
 	if( c.init(80) )
 		exit(1);
 
 
 	// Process incomming requests
 	int s=0;
 	printf("Wait for request\r\n");
 	while(s>-1)
 		{
 		printf("accept...\r\n");
 		int s=c.accept();
 		if( s >-1 )
 			{
 			printf("parse...\r\n");
 
 	//---------------------------------------------------------------
 	//	#3a
 	//	For each socket accepted, call the objects parse_request() 
 	//	method.  The second param	is a void* which is passed to the 
 	//	request handler, and provides a link between the  request 
 	//	handler and  your application.
 	//---------------------------------------------------------------
 			
 			http.parse_request(s, NULL);
 			printf("close...\r\n");
 			c.close(s);
 			}
 		}
 
 	// Close down our connection class
 	c.terminate();
 
 	return 0;
 }
 
 /*
 	This is the default request handler.
 	You must allways have a default request handler, to 
 	handle those requests which are not supported.
 
 	The default handler filename is NULL when you add_handler()
 */
 int handleDefault( ehttp &obj, void *cookie )
 {
 	//---------------------------------------------------------------
 	//	#1b
 	//	Specify the name of the HTML template file to be used.
 	//	The template file is just a HTML file, with ##TAGS## embedded
 	//	and these tags get replace with something when out_replace
 	//	is called
 	//---------------------------------------------------------------
 	obj.out_set_file("helloworld_template.html");
 
 	//---------------------------------------------------------------
 	// 	#2b
 	//	This is where most of the work happens in the request 
 	//	handler.
 	//
 	//	Create your dynamic content.  In this case, we simply replace
 	//	the ##MESSAGE## tag in the template file with the "Hello 
 	//	World" string.
 	//
 	//	At this point, you might check for get or post requests 
 	//	and	pass commands to your app via the cookie, or get content
 	//	(application status as one example) via the cookie.
 	//---------------------------------------------------------------
 	obj.out_replace_token("MESSAGE","Hello World");
 
 	//---------------------------------------------------------------
 	//	#3b
 	//	Replace all the tags in the template file with tokens
 	//---------------------------------------------------------------
 	obj.out_replace();
 
 	//---------------------------------------------------------------
 	//	#4b
 	//	Write the content to the socket
 	//---------------------------------------------------------------
 	return obj.out_commit();
 }