kre_http.h

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/*
 *  GPL vRelease licence
 *  
 *  kREproxy project (C) Marcin Tomasik 2009
 *
 *  <marcin.tomasik.priv[onserver]gmail.com>
 *  
 *  http://kreproxy.sourceforge.net/
 *
 */


#ifndef KRE_HTTP_H
#define KRE_HTTP_H

#include "kre_threads.h"
#include "kre_network.h"
#include "kre_utils.h"

#define KRE_SERVER_NAME                 "kREproxy (author: Marcin Tomasik)"
#define KRE_SERVER_NAME_SIZE            33

#define KRE_HTTP_REQ_BUF_SIZE           2048
/* settings of kre_http_message_header */
#define KRE_HTTP_MAX_FIELD_SIZE         100
#define KRE_HTTP_MAX_FIELD_VALUE_SIZE   1000
#define KRE_HTTP_MAX_REQUEST_LINE_SIZE  1000

#define KRE_HTTP_ERROR                  1
#define KRE_HTTP_SHOULD_STOP            2

/* HTTP ok 2** */
#define KRE_HTTP_OK                     200
#define KRE_HTTP_NO_CONTENT             204

/* HTTP errors 4** */
#define KRE_HTTP_BAD_REQUEST            400
#define KRE_HTTP_NOT_FOUND              404
#define KRE_HTTP_METHOD_NOT_ALLOWD      405
#define KRE_HTTP_REQ_ENTITY_TOO_LARGE   413
#define KRE_HTTP_REQ_URI_TOO_LARGE      414

/* KRE status */
#define KRE_HTTP_DST_UNRECHABLE         900
#define KRE_HTTP_SERVER_IS_BUSY         901

/* HTTP server 5** */
#define KRE_HTTP_INTERNAL_SERVER_ERROR  500
#define KRE_HTTP_NOT_IMPLEMENTED        501
#define KRE_HTTP_SERVICE_UNAVALIBLE     503

/* HTTP methods */
#define KRE_HTTP_METH_GET               0
#define KRE_HTTP_METH_POST              1
#define KRE_HTTP_METH_HEAD              2
#define KRE_HTTP_METH_OPTIONS           3
#define KRE_HTTP_METH_PUT               4
#define KRE_HTTP_METH_DELETE            5
#define KRE_HTTP_METH_TRACE             6
#define KRE_HTTP_METH_CONNECT           7
#define KRE_HTTP_METH_NOT_IMPLEMENTED   8

struct kre_http_message_header {
    /*char field_name[ KRE_HTTP_MAX_FIELD_SIZE ]; */
    char field_value[ KRE_HTTP_MAX_FIELD_VALUE_SIZE ]; 
    size_t  fv_size;                                    
};

struct kre_http_request {
    int                             method;         
    struct kre_http_message_header  uri;            
    struct kre_http_message_header  host;           
    size_t                          content_length; 
    int                             state;  
};


extern void kre_http_get_meth_from_buf( struct kre_http_request *req, char *b, size_t size );


extern void kre_http_get_content_length( struct kre_http_request *req, char *b, size_t size );


extern void kre_http_get_uri( struct kre_http_request *req, char *b, size_t size );


extern void kre_http_get_host( struct kre_http_request *req, char *b, size_t size );


extern int kre_http_get_req_from_buf( struct kre_http_request *req, char *bu, size_t size );


extern int kre_http_get_request( char *bu, size_t s, struct kre_http_request *req, struct kre_thread *cur );


extern int kre_http_transfer_response( char *bu, size_t s, struct kre_thread *thr );


extern void kre_http_set_response( char * bu, size_t size, int code);


#endif

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